include XMLPL package.
This commit is contained in:
Vítor Santos Costa
parent
6c16f4e953
commit
8c556f21ba
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@ -861,6 +861,7 @@ install_copied_files:
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@INSTALLCLP@(cd LGPL/clp ; $(MAKE) install)
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(cd packages/CLPBN ; $(MAKE) install)
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(cd packages/meld; $(MAKE) install)
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(cd packages/xml; $(MAKE) install)
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(cd packages/ProbLog ; $(MAKE) install)
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##########
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@ -10124,6 +10124,7 @@ mkdir -p packages/RDF
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mkdir -p packages/real
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mkdir -p packages/semweb
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mkdir -p packages/sgml
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mkdir -p packages/xml
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mkdir -p packages/zlib
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ac_config_files="$ac_config_files Makefile"
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@ -10170,6 +10171,8 @@ ac_config_files="$ac_config_files packages/cplint/slipcase/Makefile"
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ac_config_files="$ac_config_files packages/meld/Makefile"
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ac_config_files="$ac_config_files packages/xml/Makefile"
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ac_config_files="$ac_config_files packages/ProbLog/Makefile"
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@ -11002,6 +11005,7 @@ do
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"packages/cplint/approx/simplecuddLPADs/Makefile") CONFIG_FILES="$CONFIG_FILES packages/cplint/approx/simplecuddLPADs/Makefile" ;;
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"packages/cplint/slipcase/Makefile") CONFIG_FILES="$CONFIG_FILES packages/cplint/slipcase/Makefile" ;;
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"packages/meld/Makefile") CONFIG_FILES="$CONFIG_FILES packages/meld/Makefile" ;;
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"packages/xml/Makefile") CONFIG_FILES="$CONFIG_FILES packages/xml/Makefile" ;;
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"packages/ProbLog/Makefile") CONFIG_FILES="$CONFIG_FILES packages/ProbLog/Makefile" ;;
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"packages/chr/Makefile") CONFIG_FILES="$CONFIG_FILES packages/chr/Makefile" ;;
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"packages/clib/Makefile") CONFIG_FILES="$CONFIG_FILES packages/clib/Makefile" ;;
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@ -2289,6 +2289,7 @@ mkdir -p packages/RDF
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mkdir -p packages/real
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mkdir -p packages/semweb
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mkdir -p packages/sgml
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mkdir -p packages/xml
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mkdir -p packages/zlib
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AC_CONFIG_FILES([Makefile])
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@ -2313,6 +2314,7 @@ AC_CONFIG_FILES([packages/cplint/Makefile])
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AC_CONFIG_FILES([packages/cplint/approx/simplecuddLPADs/Makefile])
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AC_CONFIG_FILES([packages/cplint/slipcase/Makefile])
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AC_CONFIG_FILES([packages/meld/Makefile])
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AC_CONFIG_FILES([packages/xml/Makefile])
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AC_CONFIG_FILES([packages/ProbLog/Makefile ])
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if test "$ENABLE_CHR" = ""; then
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19
docs/yap.tex
19
docs/yap.tex
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@ -2309,6 +2309,25 @@ file into a module which is not the working one, prefix the file name
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with the module name, in the form @code{@var{Module}:@var{File}}, when
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loading the file.
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@item export(+@var{PredicateIndicator})
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@findex export/1
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@snindex export/1
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@cnindex export/1
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Add predicates to the public list of the context module. This implies
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the predicate will be imported into another module if this module is
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imported with @code{use_module/[1,2]}. Note that predicates are normally
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exported using the directive @code{module/2}. @code{export/1} is meant
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to handle export from dynamically created modules.
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@item export_list(?@var{Mod},?@var{ListOfPredicateIndicator})
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@findex export_list/2
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@snindex export_list/2
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@cnindex export_list/2
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The list @var{ListOfPredicateIndicator} contains all predicates exported
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by module @var{Mod}.
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@end table
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@node Using Modules, Meta-Predicates in Modules, Defining Modules, Modules
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@ -49,7 +49,8 @@ all:
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install: $(PROGRAMS) $(EXAMPLES)
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mkdir -p $(DESTDIR)$(SHAREDIR)/Yap
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mkdir -p $(DESTDIR)$(SHAREDIR)/Yap/meld
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mkdir -p $(DESTDIR)$(SHAREDIR)/share/Yap/examples/meld
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$(INSTALL_DATA) $(srcdir)/meld.yap $(DESTDIR)$(SHAREDIR)/Yap
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for p in $(MELD_PROGRAMS); do $(INSTALL_DATA) $$p $(DESTDIR)$(SHAREDIR)/Yap/meld; done
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for p in $(MELD_EXAMPLES); do $(INSTALL_DATA) $$p $(DESTDIR)$(SHAREDIR)/Yap/meld; done
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for p in $(MELD_EXAMPLES); do $(INSTALL_DATA) $$p $(DESTDIR)$(SHAREDIR)/share/Yap/examples/meld; done
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@ -1 +1 @@
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Subproject commit f4c629b195e560662d211ad11054dda458de4ddb
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Subproject commit c1584e1ac73304ffc83b5d75b91f5e785ce5d41e
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@ -0,0 +1,71 @@
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#
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# default base directory for YAP installation
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#
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ROOTDIR = @prefix@
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#
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# where the binary should be
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#
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BINDIR = $(ROOTDIR)/bin
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#
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# where YAP should look for binary libraries
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#
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LIBDIR=@libdir@/Yap
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#
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# where YAP should look for architecture-independent Prolog libraries
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#
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SHAREDIR=$(ROOTDIR)/share
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#
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#
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# You shouldn't need to change what follows.
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#
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INSTALL=@INSTALL@
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INSTALL_DATA=@INSTALL_DATA@
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INSTALL_PROGRAM=@INSTALL_PROGRAM@
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srcdir=@srcdir@
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YAP_EXTRAS=@YAP_EXTRAS@
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EXDIR=$(srcdir)/examples
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XML_PROGRAMS= \
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$(srcdir)/xml_acquisition.pl \
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$(srcdir)/xml_diagnosis.pl \
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$(srcdir)/xml_driver.pl \
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$(srcdir)/xml_generation.pl \
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$(srcdir)/xml.iso.pl \
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$(srcdir)/xml_pp.pl \
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$(srcdir)/xml_utilities.pl
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XML_EXAMPLES= \
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$(srcdir)/xml_example/bib.xml \
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$(srcdir)/xml_example/books.xml \
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$(srcdir)/xml_example/misc.pl \
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$(srcdir)/xml_example/prices.xml \
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$(srcdir)/xml_example/q1.xml \
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$(srcdir)/xml_example/q2.xml \
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$(srcdir)/xml_example/q3.xml \
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$(srcdir)/xml_example/q4.xml \
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$(srcdir)/xml_example/q5.xml \
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$(srcdir)/xml_example/q6.xml \
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$(srcdir)/xml_example/q7.xml \
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$(srcdir)/xml_example/q8.xml \
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$(srcdir)/xml_example/q9.xml \
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$(srcdir)/xml_example/q10.xml \
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$(srcdir)/xml_example/q11.xml \
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$(srcdir)/xml_example/q12.xml \
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$(srcdir)/xml_example/reviews.xml \
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$(srcdir)/xml_example/xml_example.pl
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PROGRAMS= \
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$(srcdir)/xml.pl \
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$(XML_PROGRAMS)
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all:
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install: $(PROGRAMS) $(EXAMPLES)
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mkdir -p $(DESTDIR)$(SHAREDIR)/Yap
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mkdir -p $(DESTDIR)$(SHAREDIR)/Yap/xml
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mkdir -p $(DESTDIR)$(SHAREDIR)/doc/Yap/examples/xml
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$(INSTALL_DATA) $(srcdir)/xml.pl $(DESTDIR)$(SHAREDIR)/Yap
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for p in $(XML_PROGRAMS); do $(INSTALL_DATA) $$p $(DESTDIR)$(SHAREDIR)/Yap/xml; done
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for p in $(XML_EXAMPLES); do $(INSTALL_DATA) $$p $(DESTDIR)$(SHAREDIR)/doc/Yap/examples/xml; done
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@ -0,0 +1,78 @@
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/* xml.iso.pl : Wrapper for ISO Prolog.
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*
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* Copyright (C) 2001-2005 Binding Time Limited
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* Copyright (C) 2005-2011 John Fletcher
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*
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* Current Release: $Revision: 3.3 $
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*
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* TERMS AND CONDITIONS:
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*
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* This program is offered free of charge, as unsupported source code. You may
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* use it, copy it, distribute it, modify it or sell it without restriction,
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* but entirely at your own risk.
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*
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*/
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:- module( xml,
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[
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xml_parse/2,
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xml_parse/3,
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xml_subterm/2,
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xml_pp/1
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] ).
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/* xml is intended to be a rather modular module: it should be easy to
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* build a program that can output XML, but not read it, or vice versa.
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* Similarly, you may be happy to dispense with diagnosis once you are
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* sure that your code will only try to make valid calls to xml_parse/2.
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*
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* It is intended that the code should be very portable too. Clearly,
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* some small changes will be needed between platforms, but these should
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* be limited to xml_utilities. xml_utilities contains most of the shared
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* code and most of the potentially non-portable code.
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*/
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:- ensure_loaded( xml_driver ).
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/* xml_exception( +Message, +Document, +Culprit, +Path ) is a hook to
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* raise an exception to be raised in respect of a fault in the XML Term:
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* Document.
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* - Culprit is a sub-term of Document which cannot be serialized;
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* - Message is an atom naming the type of error;
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* - Path is a string encoding a list of SubTerm's ancestor elements in the
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* form <tag>{(id)}* where <tag> is the element tag and <id> is the value
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* of any attribute _named_ id.
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*/
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xml_exception( Message, Document, Culprit, Path ) :-
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throw(
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application_error('XML Parse: ~s in ~q~nCulprit: ~q~nPath: ~s',
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[Message,Document,Culprit,Path] )
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).
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append( [], L, L ).
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append( [H|T0], L, [H|T1] ) :-
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append( T0, L, T1 ).
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otherwise.
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/* member( ?Element, ?List ) holds when Element is a member of List.
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*/
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member( H, [H|_] ).
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member( H, [_|T] ):-
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member( H, T ).
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/* select( ?Element, ?List0, ?List1 ) is true if List1 is equal to List0
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* with Element removed.
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*/
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select( H, [H|T], T ).
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select( Element, [H|T0], [H|T1] ):-
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select( Element, T0, T1 ).
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end_of_file.
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/* is_list( +List ) holds when List is a list. Built-in?
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*/
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is_list( List ) :-
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nonvar( List ),
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is_list1( List ).
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is_list1( [] ).
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is_list1( [_|_] ).
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@ -0,0 +1,62 @@
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/* xml.lpa.pl : Wrapper for LPA Prolog.
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*
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* Copyright (C) 2001-2005 Binding Time Limited
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* Copyright (C) 2005-2011 John Fletcher
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*
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* Current Release: $Revision: 3.3 $
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*
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* TERMS AND CONDITIONS:
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*
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* This program is offered free of charge, as unsupported source code. You may
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* use it, copy it, distribute it, modify it or sell it without restriction,
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* but entirely at your own risk.
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*
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* xml is intended to be a rather modular module: it should be easy to
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* build a program that can output XML, but not read it, or vice versa.
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* Similarly, you may be happy to dispense with diagnosis once you are
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* sure that your code will only try to make valid calls to xml_parse/2.
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*
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* It is intended that the code should be very portable too. Clearly,
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* some small changes will be needed between platforms, but these should
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* be limited to xml_utilities. xml_utilities contains most of the shared
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* code and most of the potentially non-portable code.
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*/
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:- ensure_loaded( xml_driver ).
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/* atom_codes/2, number_codes/2 and throw/1 are ISO predicates, mapped to
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* the Quintus equivalent here.
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*/
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atom_codes( Atom, Codes ) :-
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atom_chars( Atom, Codes ).
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number_codes( Number, Codes ) :-
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number_chars( Number, Codes ).
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/* xml_exception( +Message, +Document, +Culprit, +Path ) is a hook to
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* raise an exception to be raised in respect of a fault in the XML Term:
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* Document.
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* - Culprit is a sub-term of Document which cannot be serialized;
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* - Message is an atom naming the type of error;
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* - Path is a string encoding a list of SubTerm's ancestor elements in the
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* form <tag>{(id)}* where <tag> is the element tag and <id> is the value
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* of any attribute _named_ id.
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*/
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xml_exception( Message, Document, Culprit, Path ) :-
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throw( 23, xml_error([Message,Document,Culprit,Path] ) ).
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/* select( ?Element, ?List0, ?List1 ) is true if List1 is equal to List0
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* with Element removed.
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*/
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select( H, [H|T], T ).
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select( Element, [H|T0], [H|T1] ):-
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select( Element, T0, T1 ).
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/* is_list( +List ) holds when List is a list.
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*/
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is_list( List ) :-
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nonvar( List ),
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is_list1( List ).
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is_list1( [] ).
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is_list1( [_|_] ).
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@ -0,0 +1,86 @@
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/* xml.pl : XML Module wrapper for Quintus Prolog.
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*
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* Copyright (C) 2001-2005 Binding Time Limited
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* Copyright (C) 2005-2011 John Fletcher
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*
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* Current Release: $Revision: 3.3 $
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*
|
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* TERMS AND CONDITIONS:
|
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*
|
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* This program is offered free of charge, as unsupported source code. You may
|
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* use it, copy it, distribute it, modify it or sell it without restriction,
|
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* but entirely at your own risk.
|
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*
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*/
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:- module( xml,
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[
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xml_parse/2,
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xml_parse/3,
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xml_subterm/2,
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xml_pp/1
|
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] ).
|
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|
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/* xml is intended to be a rather modular module: it should be easy to
|
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* build a program that can output XML, but not read it, or vice versa.
|
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* Similarly, you may be happy to dispense with diagnosis once you are
|
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* sure that your code will only try to make valid calls to xml_parse/2.
|
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*
|
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* It is intended that the code should be very portable too. Clearly,
|
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* some small changes will be needed between platforms, but these should
|
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* be limited to xml_utilities. xml_utilities contains most of the shared
|
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* code and most of the potentially non-portable code.
|
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*/
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:- use_module( library(lists), [append/3] ).
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:- ensure_loaded( xml/xml_driver ).
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|
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/* atom_codes/2, number_codes/2 and throw/1 are ISO predicates, mapped to
|
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* the Quintus equivalent here.
|
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*/
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%atom_codes( Atom, Codes ) :-
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% atom_chars( Atom, Codes ).
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%number_codes( Number, Codes ) :-
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% number_chars( Number, Codes ).
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|
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/* xml_exception( +Message, +Document, +Culprit, +Path ) is a hook to
|
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* raise an exception to be raised in respect of a fault in the XML Term:
|
||||
* Document.
|
||||
* - Culprit is a sub-term of Document which cannot be serialized;
|
||||
* - Message is an atom naming the type of error;
|
||||
* - Path is a string encoding a list of SubTerm's ancestor elements in the
|
||||
* form <tag>{(id)}* where <tag> is the element tag and <id> is the value
|
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* of any attribute _named_ id.
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*/
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xml_exception( Message, Document, Culprit, Path ) :-
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raise_exception(
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application_error('XML Parse: ~s in ~q~nCulprit: ~q~nPath: ~s',
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[Message,Document,Culprit,Path] )
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).
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|
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/* member( ?Element, ?List ) holds when Element is a member of List.
|
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*/
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member( H, [H|_] ).
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member( H, [_|T] ):-
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member( H, T ).
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|
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/* select( ?Element, ?List0, ?List1 ) is true if List1 is equal to List0
|
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* with Element removed.
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||||
*/
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select( H, [H|T], T ).
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select( Element, [H|T0], [H|T1] ):-
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select( Element, T0, T1 ).
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/* is_list( +List ) holds when List is a list.
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*/
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%is_list( List ) :-
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% nonvar( List ),
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% is_list1( List ).
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%is_list1( [] ).
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%is_list1( [_|_] ).
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,84 @@
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/* xml_diagnosis.pl : XML exception diagnosis.
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*
|
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* Copyright (C) 2001-2005 Binding Time Limited
|
||||
* Copyright (C) 2005-2011 John Fletcher
|
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*
|
||||
* Current Release: $Revision: 3.3 $
|
||||
*
|
||||
* TERMS AND CONDITIONS:
|
||||
*
|
||||
* This program is offered free of charge, as unsupported source code. You may
|
||||
* use it, copy it, distribute it, modify it or sell it without restriction,
|
||||
* but entirely at your own risk.
|
||||
*/
|
||||
|
||||
:- ensure_loaded( xml_generation ).
|
||||
|
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/* xml_fault( +Term, +Indentation, ?SubTerm, ?Path, ?Message ) identifies SubTerm
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* as a sub-term of Term which cannot be serialized after Indentation.
|
||||
* Message is an atom naming the type of error; Path is a string encoding a
|
||||
* list of SubTerm's ancestor elements in the form <tag>{(id)}* where <tag> is the
|
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* element tag and <id> is the value of any attribute _named_ id.
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*/
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xml_fault( Term, _Indent, Term, [], "Illegal Variable" ) :-
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var( Term ).
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xml_fault( xml(Attributes,_Content), _Indent, Term, [], Message ) :-
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member( Attribute, Attributes ),
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attribute_fault( Attribute, Term, Message ).
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xml_fault( xml(_Attributes,Content), Indent, Culprit, Path, Message ) :-
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xml_content_fault( Content, Indent, Culprit, Path, Message ).
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xml_fault( Term, _Indent, Term, [], "Illegal Term" ).
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xml_content_fault( Term, _Indent, Term, [], "Illegal Variable" ) :-
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var( Term ).
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xml_content_fault( pcdata(Chars), _Indent, Chars, [], "Invalid Character Data" ) :-
|
||||
\+ is_chars( Chars ).
|
||||
xml_content_fault( cdata(Chars), _Indent, Chars, [], "Invalid Character Data" ) :-
|
||||
\+ is_chars( Chars ).
|
||||
xml_content_fault( [H|_T], Indent, Culprit, Path, Message ) :-
|
||||
xml_content_fault( H, Indent, Culprit, Path, Message ).
|
||||
xml_content_fault( [_H|T], Indent, Culprit, Path, Message ) :-
|
||||
xml_content_fault( T, Indent, Culprit, Path, Message ).
|
||||
xml_content_fault( namespace(_URI,_Prefix,Element), Indent, Culprit, Path, Message ) :-
|
||||
element_fault( Element, [0' |Indent], Culprit, Path, Message ).
|
||||
xml_content_fault( Element, Indent, Culprit, Path, Message ) :-
|
||||
element_fault( Element, [0' |Indent], Culprit, Path, Message ).
|
||||
xml_content_fault( Term, Indent, Term, [], "Illegal Term" ) :-
|
||||
\+ generation(Term, "", false, Indent, _Format, _Plus, _Minus ).
|
||||
|
||||
element_fault( element(Tag, _Attributes, _Contents), _Indent, Tag, [], "Tag must be an atom" ) :-
|
||||
\+ atom( Tag ).
|
||||
element_fault( element(Tag, Attributes, _Contents), _Indent, Tag, [], "Attributes must be instantiated" ) :-
|
||||
var( Attributes ).
|
||||
element_fault( element(Tag, Attributes, _Contents), _Indent, Faulty, Path, Message ) :-
|
||||
fault_path( Tag, Attributes, Path, [] ),
|
||||
member( Attribute, Attributes ),
|
||||
attribute_fault( Attribute, Faulty, Message ).
|
||||
element_fault( element(Tag, Attributes, Contents), Indent, Culprit, Path, Message ) :-
|
||||
fault_path( Tag, Attributes, Path, Path1 ),
|
||||
xml_content_fault( Contents, Indent, Culprit, Path1, Message ).
|
||||
|
||||
attribute_fault( Attribute, Attribute, "Illegal Variable" ) :-
|
||||
var( Attribute ).
|
||||
attribute_fault( Name=Value, Name=Value, "Attribute Name must be atom" ) :-
|
||||
\+ atom(Name).
|
||||
attribute_fault( Name=Value, Name=Value, "Attribute Value must be chars" ) :-
|
||||
\+ is_chars( Value ).
|
||||
attribute_fault( Attribute, Attribute, "Malformed Attribute" ) :-
|
||||
\+ Attribute = (_Name=_Value).
|
||||
|
||||
is_chars( Chars ) :-
|
||||
is_list( Chars ),
|
||||
\+ (member( Char, Chars ), \+ (integer(Char), Char >=0, Char =< 255)).
|
||||
|
||||
fault_path( Tag, Attributes ) -->
|
||||
{atom_codes( Tag, Chars )},
|
||||
chars( Chars ),
|
||||
fault_id( Attributes ),
|
||||
" ".
|
||||
|
||||
fault_id( Attributes ) -->
|
||||
{member( id=Chars, Attributes ), is_chars( Chars )},
|
||||
!,
|
||||
"(", chars(Chars), ")".
|
||||
fault_id( _Attributes ) --> "".
|
||||
|
|
@ -0,0 +1,131 @@
|
|||
/* xml_driver.pl : Contains xml_parse/[2,3] a bi-directional XML parser written in
|
||||
* Prolog.
|
||||
*
|
||||
* Copyright (C) 2001-2005 Binding Time Limited
|
||||
* Copyright (C) 2005-2011 John Fletcher
|
||||
*
|
||||
* Current Release: $Revision: 3.3 $
|
||||
*
|
||||
* TERMS AND CONDITIONS:
|
||||
*
|
||||
* This program is offered free of charge, as unsupported source code. You may
|
||||
* use it, copy it, distribute it, modify it or sell it without restriction,
|
||||
* but entirely at your own risk.
|
||||
*
|
||||
* xml_parse( {+Controls}, +?Chars, ?+Document ) parses Chars to/from a data
|
||||
* structure of the form xml(<atts>, <content>). <atts> is a list of
|
||||
* <atom>=<string> attributes from the (possibly implicit) XML signature of the
|
||||
* document. <content> is a (possibly empty) list comprising occurrences of :
|
||||
*
|
||||
* pcdata(<string>) : Text
|
||||
* comment(<string>) : An xml comment;
|
||||
* element(<tag>,<atts>,<content>) : <tag>..</tag> encloses <content>
|
||||
* : <tag /> if empty
|
||||
* instructions(<atom>, <string>) : Processing <? <atom> <params> ?>"
|
||||
* cdata( <string> ) : <![CDATA[ <string> ]]>
|
||||
* doctype(<atom>, <doctype id>) : DTD <!DOCTYPE .. >
|
||||
*
|
||||
* The conversions are not completely symmetrical, in that weaker XML is
|
||||
* accepted than can be generated. Specifically, in-bound (Chars -> Document)
|
||||
* does not require strictly well-formed XML. Document is instantiated to the
|
||||
* term malformed(Attributes, Content) if Chars does not represent well-formed
|
||||
* XML. The Content of a malformed/2 structure can contain:
|
||||
*
|
||||
* unparsed( <string> ) : Text which has not been parsed
|
||||
* out_of_context( <tag> ) : <tag> is not closed
|
||||
*
|
||||
* in addition to the standard term types.
|
||||
*
|
||||
* Out-bound (Document -> Chars) parsing _does_ require that Document defines
|
||||
* strictly well-formed XML. If an error is detected a 'domain' exception is
|
||||
* raised.
|
||||
*
|
||||
* The domain exception will attempt to identify the particular sub-term in
|
||||
* error and the message will show a list of its ancestor elements in the form
|
||||
* <tag>{(id)}* where <id> is the value of any attribute _named_ id.
|
||||
*
|
||||
* At this release, the Controls applying to in-bound (Chars -> Document)
|
||||
* parsing are:
|
||||
*
|
||||
* extended_characters(<bool>) : Use the extended character
|
||||
* : entities for XHTML (default true)
|
||||
*
|
||||
* format(<bool>) : Strip layouts when no character data
|
||||
* : appears between elements.
|
||||
* : (default true)
|
||||
*
|
||||
* remove_attribute_prefixes(<bool>) : Remove namespace prefixes from
|
||||
* : attributes when it's the same as the
|
||||
* : prefix of the parent element
|
||||
* : (default false).
|
||||
*
|
||||
* allow_ampersand(<bool>) : Allow unescaped ampersand
|
||||
* : characters (&) to occur in PCDATA.
|
||||
* : (default false).
|
||||
*
|
||||
* [<bool> is one of 'true' or 'false']
|
||||
*
|
||||
* For out-bound (Document -> Chars) parsing, the only available option is:
|
||||
*
|
||||
* format(<Bool>) : Indent the element content
|
||||
* : (default true)
|
||||
*
|
||||
* Different DCGs for input and output are used because input parsing is
|
||||
* more flexible than output parsing. Errors in input are recorded as part
|
||||
* of the data structure. Output parsing throws an exception if the document
|
||||
* is not well-formed, diagnosis tries to identify the specific culprit term.
|
||||
*/
|
||||
xml_parse( Chars, Document ) :-
|
||||
xml_parse( [], Chars, Document ).
|
||||
|
||||
xml_parse( Controls, Chars, Document ) :-
|
||||
( ground( Chars ) ->
|
||||
xml_to_document( Controls, Chars, Document )
|
||||
; otherwise ->
|
||||
document_to_xml( Controls, Document, Chars )
|
||||
).
|
||||
|
||||
document_to_xml( Controls, Document, Chars ) :-
|
||||
( member( format(false), Controls ) ->
|
||||
Format = false
|
||||
; otherwise ->
|
||||
Format = true
|
||||
),
|
||||
( ground( Document ),
|
||||
document_generation(Format, Document, Chars0, [] ) ->
|
||||
Chars = Chars0
|
||||
; otherwise ->
|
||||
xml_fault( Document, [], Culprit, Path, Message ),
|
||||
xml_exception( Message, Document, Culprit, Path )
|
||||
).
|
||||
|
||||
/* xml_subterm( +XMLTerm, ?Subterm ) unifies Subterm with a sub-term of Term.
|
||||
* Note that XMLTerm is a sub-term of itself.
|
||||
*/
|
||||
xml_subterm( Term, Term ).
|
||||
xml_subterm( xml(_Attributes, Content), Term ) :-
|
||||
xml_subterm( Content, Term ).
|
||||
xml_subterm( [H|T], Term ) :-
|
||||
( xml_subterm( H, Term )
|
||||
; xml_subterm( T, Term )
|
||||
).
|
||||
xml_subterm( element(_Name,_Attributes,Content), Term ) :-
|
||||
xml_subterm( Content, Term ).
|
||||
xml_subterm( namespace(_URI,_Prefix,Content), Term ) :-
|
||||
xml_subterm( Content, Term ).
|
||||
|
||||
/* xml is intended to be a rather modular module: it should be easy to
|
||||
* build a program that can output XML, but not read it, or vice versa.
|
||||
* Similarly, you may be happy to dispense with diagnosis once you are
|
||||
* sure that your code will only try to make valid calls to xml_parse/2.
|
||||
*
|
||||
* It is intended that the code should be very portable too. Clearly,
|
||||
* some small changes will be needed between platforms, but these should
|
||||
* be limited to xml_utilities. xml_utilities contains most of the shared
|
||||
* code and most of the potentially non-portable code.
|
||||
*/
|
||||
:- ensure_loaded( xml_acquisition ).
|
||||
:- ensure_loaded( xml_diagnosis ).
|
||||
:- ensure_loaded( xml_generation ).
|
||||
:- ensure_loaded( xml_pp ).
|
||||
:- ensure_loaded( xml_utilities ).
|
||||
|
|
@ -0,0 +1,36 @@
|
|||
<bib>
|
||||
<book year="1994">
|
||||
<title>TCP/IP Illustrated</title>
|
||||
<author><last>Stevens</last><first>W.</first></author>
|
||||
<publisher>Addison-Wesley</publisher>
|
||||
<price> 65.95</price>
|
||||
</book>
|
||||
|
||||
<book year="1992">
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
<author><last>Stevens</last><first>W.</first></author>
|
||||
<publisher>Addison-Wesley</publisher>
|
||||
<price>65.95</price>
|
||||
</book>
|
||||
|
||||
<book year="2000">
|
||||
<title>Data on the Web</title>
|
||||
<author><last>Abiteboul</last><first>Serge</first></author>
|
||||
<author><last>Buneman</last><first>Peter</first></author>
|
||||
<author><last>Suciu</last><first>Dan</first></author>
|
||||
<publisher>Morgan Kaufmann Publishers</publisher>
|
||||
<price>39.95</price>
|
||||
</book>
|
||||
|
||||
<book year="1999">
|
||||
<title>The Economics of Technology and Content for Digital TV</title>
|
||||
<editor>
|
||||
<last>Gerbarg</last><first>Darcy</first>
|
||||
<affiliation>CITI</affiliation>
|
||||
</editor>
|
||||
<publisher>Kluwer Academic Publishers</publisher>
|
||||
<price>129.95</price>
|
||||
</book>
|
||||
|
||||
</bib>
|
||||
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
<chapter>
|
||||
<title>Data Model</title>
|
||||
<section>
|
||||
<title>Syntax For Data Model</title>
|
||||
</section>
|
||||
<section>
|
||||
<title>XML</title>
|
||||
<section>
|
||||
<title>Basic Syntax</title>
|
||||
</section>
|
||||
<section>
|
||||
<title>XML and Semistructured Data</title>
|
||||
</section>
|
||||
</section>
|
||||
</chapter>
|
||||
|
|
@ -0,0 +1,95 @@
|
|||
% Utility Predicates
|
||||
|
||||
% The following predicates are used in the puzzle solutions.
|
||||
% unique_solution( +Goal ) holds when Goal has one ground solution. Operationally,
|
||||
% Goal may produce several solutions, ("don't care" non-deterministically), but they
|
||||
% must all be identical (==).
|
||||
|
||||
unique_solution( Goal ) :-
|
||||
findall( Goal, Goal, [Solution|Solutions] ),
|
||||
same_solution( Solutions, Solution ),
|
||||
Solution = Goal.
|
||||
|
||||
same_solution( [], _Solution ).
|
||||
same_solution( [Solution0|Solutions], Solution ) :-
|
||||
Solution0 == Solution,
|
||||
same_solution( Solutions, Solution ).
|
||||
|
||||
% forall( +Enumerator, +Test ) is true if Enumerator and Test are goals and Test holds everywhere
|
||||
% that Enumerator does. NB: does not further instantiate arguments.
|
||||
|
||||
%% forall( Enumerator, Test ) :-
|
||||
%% \+ (call(Enumerator), \+ call(Test)).
|
||||
|
||||
% member( ?Element, ?List ) holds when Element is a member of List.
|
||||
member( H, [H|_] ).
|
||||
member( H, [_|T] ):-
|
||||
member( H, T ).
|
||||
|
||||
% select( ?Element, ?List0, ?List1 ) is true if List1 is equal to List1 with Element removed.
|
||||
|
||||
select( H, [H|T], T ).
|
||||
select( Element, [H|T0], [H|T1] ):-
|
||||
select( Element, T0, T1 ).
|
||||
|
||||
% memberchk( +Element, +List ) succeeds (once) if Element is a member of List.
|
||||
memberchk( Element, List ):-
|
||||
member( Element, List ),
|
||||
!.
|
||||
|
||||
% between( +Lower, +Upper, ?Index ) is true if Lower =< Index =< Upper. Two valid cases are
|
||||
% possible:
|
||||
% - Index is already instantiated to an integer so the checks on order are applied (test).
|
||||
% - Index is a logical variable so a series of alternative solutions is generated as the
|
||||
% monotonic sequence of values between Lower and Upper (non-deterministic generator).
|
||||
|
||||
%% between( Lower, Upper, Index ):-
|
||||
%% integer( Lower ),
|
||||
%% integer( Upper ),
|
||||
%% Lower =< Upper,
|
||||
%% ( integer( Index ) -> % Case 1: "test"
|
||||
%% Index >= Lower,
|
||||
%% Index =< Upper
|
||||
%% ; var( Index ) -> % Case 2: "generate".
|
||||
%% generate_between( Lower, Upper, Index )
|
||||
%% ).
|
||||
|
||||
generate_between( Lower, Upper, Index ) :-
|
||||
( Lower =:= Upper ->
|
||||
Index = Lower
|
||||
; Index = Lower
|
||||
; Next is Lower + 1,
|
||||
Next =< Upper,
|
||||
generate_between( Next, Upper, Index )
|
||||
).
|
||||
|
||||
% sum( +List, ?Sum ) holds when the List of numbers sum to Sum.
|
||||
|
||||
sum( [H|T], Sum ) :-
|
||||
sum1( T, H, Sum ).
|
||||
|
||||
sum1( [], Sum, Sum ).
|
||||
sum1( [H|T], Sum0, Sum ):-
|
||||
Sum1 is Sum0 + H,
|
||||
sum1( T, Sum1, Sum ).
|
||||
|
||||
% put_chars( +Chars ) if Chars is a (possibly empty) list of character codes and the
|
||||
% corresponding characters are written to the current output stream.
|
||||
|
||||
put_chars( [] ).
|
||||
put_chars( [Char|Chars] ) :-
|
||||
put( Char ),
|
||||
put_chars( Chars ).
|
||||
|
||||
% get_chars( ?Chars ) if Chars is a (possibly empty) list of character codes read
|
||||
% from the current input stream.
|
||||
|
||||
get_chars( Input ) :-
|
||||
get0( Char ),
|
||||
( Char > -1 ->
|
||||
Input = [Char|Chars],
|
||||
get_chars( Chars )
|
||||
; otherwise ->
|
||||
Input = []
|
||||
).
|
||||
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
<prices>
|
||||
<book>
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
<source>www.amazon.com</source>
|
||||
<price>65.95</price>
|
||||
</book>
|
||||
<book>
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
<source>www.bn.com</source>
|
||||
<price>65.95</price>
|
||||
</book>
|
||||
<book>
|
||||
<title>TCP/IP Illustrated</title>
|
||||
<source>www.amazon.com</source>
|
||||
<price>65.95</price>
|
||||
</book>
|
||||
<book>
|
||||
<title>TCP/IP Illustrated</title>
|
||||
<source>www.bn.com</source>
|
||||
<price>65.95</price>
|
||||
</book>
|
||||
<book>
|
||||
<title>Data on the Web</title>
|
||||
<source>www.amazon.com</source>
|
||||
<price>34.95</price>
|
||||
</book>
|
||||
<book>
|
||||
<title>Data on the Web</title>
|
||||
<source>www.bn.com</source>
|
||||
<price>39.95</price>
|
||||
</book>
|
||||
</prices>
|
||||
|
|
@ -0,0 +1,9 @@
|
|||
|
||||
<bib>
|
||||
<book year="1994">
|
||||
<title>TCP/IP Illustrated</title>
|
||||
</book>
|
||||
<book year="1992">
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
</book>
|
||||
</bib>
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
<results>
|
||||
<minprice title="Advanced Programming in the Unix environment">
|
||||
<price>65.95</price>
|
||||
</minprice>
|
||||
<minprice title="TCP/IP Illustrated">
|
||||
<price>65.95</price>
|
||||
</minprice>
|
||||
<minprice title="Data on the Web">
|
||||
<price>34.95</price>
|
||||
</minprice>
|
||||
</results>
|
||||
|
|
@ -0,0 +1,35 @@
|
|||
<bib>
|
||||
<book>
|
||||
<title>TCP/IP Illustrated</title>
|
||||
<author>
|
||||
<last>Stevens</last>
|
||||
<first>W.</first>
|
||||
</author>
|
||||
</book>
|
||||
<book>
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
<author>
|
||||
<last>Stevens</last>
|
||||
<first>W.</first>
|
||||
</author>
|
||||
</book>
|
||||
<book>
|
||||
<title>Data on the Web</title>
|
||||
<author>
|
||||
<last>Abiteboul</last>
|
||||
<first>Serge</first>
|
||||
</author>
|
||||
<author>
|
||||
<last>Buneman</last>
|
||||
<first>Peter</first>
|
||||
</author>
|
||||
<author>
|
||||
<last>Suciu</last>
|
||||
<first>Dan</first>
|
||||
</author>
|
||||
</book>
|
||||
<reference>
|
||||
<title>The Economics of Technology and Content for Digital TV</title>
|
||||
<affiliation>CITI</affiliation>
|
||||
</reference>
|
||||
</bib>
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
<bib>
|
||||
<book-pair>
|
||||
<title>TCP/IP Illustrated</title>
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
</book-pair>
|
||||
</bib>
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
<results>
|
||||
<result>
|
||||
<title>TCP/IP Illustrated</title>
|
||||
<author>
|
||||
<last>Stevens</last>
|
||||
<first>W.</first>
|
||||
</author>
|
||||
</result>
|
||||
<result>
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
<author>
|
||||
<last>Stevens</last>
|
||||
<first>W.</first>
|
||||
</author>
|
||||
</result>
|
||||
<result>
|
||||
<title>Data on the Web</title>
|
||||
<author>
|
||||
<last>Abiteboul</last>
|
||||
<first>Serge</first>
|
||||
</author>
|
||||
</result>
|
||||
<result>
|
||||
<title>Data on the Web</title>
|
||||
<author>
|
||||
<last>Buneman</last>
|
||||
<first>Peter</first>
|
||||
</author>
|
||||
</result>
|
||||
<result>
|
||||
<title>Data on the Web</title>
|
||||
<author>
|
||||
<last>Suciu</last>
|
||||
<first>Dan</first>
|
||||
</author>
|
||||
</result>
|
||||
</results>
|
||||
|
|
@ -0,0 +1,34 @@
|
|||
<results>
|
||||
<result>
|
||||
<title>TCP/IP Illustrated</title>
|
||||
<author>
|
||||
<last>Stevens</last>
|
||||
<first>W.</first>
|
||||
</author>
|
||||
</result>
|
||||
<result>
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
<author>
|
||||
<last>Stevens</last>
|
||||
<first>W.</first>
|
||||
</author>
|
||||
</result>
|
||||
<result>
|
||||
<title>Data on the Web</title>
|
||||
<author>
|
||||
<last>Abiteboul</last>
|
||||
<first>Serge</first>
|
||||
</author>
|
||||
<author>
|
||||
<last>Buneman</last>
|
||||
<first>Peter</first>
|
||||
</author>
|
||||
<author>
|
||||
<last>Suciu</last>
|
||||
<first>Dan</first>
|
||||
</author>
|
||||
</result>
|
||||
<result>
|
||||
<title>The Economics of Technology and Content for Digital TV</title>
|
||||
</result>
|
||||
</results>
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
<results>
|
||||
<result>
|
||||
<author>
|
||||
<last>Stevens</last>
|
||||
<first>W.</first>
|
||||
</author>
|
||||
<title>TCP/IP Illustrated</title>
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
</result>
|
||||
<result>
|
||||
<author>
|
||||
<last>Abiteboul</last>
|
||||
<first>Serge</first>
|
||||
</author>
|
||||
<title>Data on the Web</title>
|
||||
</result>
|
||||
<result>
|
||||
<author>
|
||||
<last>Buneman</last>
|
||||
<first>Peter</first>
|
||||
</author>
|
||||
<title>Data on the Web</title>
|
||||
</result>
|
||||
<result>
|
||||
<author>
|
||||
<last>Suciu</last>
|
||||
<first>Dan</first>
|
||||
</author>
|
||||
<title>Data on the Web</title>
|
||||
</result>
|
||||
</results>
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
|
||||
<books-with-prices>
|
||||
<book-with-prices>
|
||||
<title>TCP/IP Illustrated</title>
|
||||
<price-amazon>65.95</price-amazon>
|
||||
<price-bn> 65.95</price-bn>
|
||||
</book-with-prices>
|
||||
<book-with-prices>
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
<price-amazon>65.95</price-amazon>
|
||||
<price-bn>65.95</price-bn>
|
||||
</book-with-prices>
|
||||
<book-with-prices>
|
||||
<title>Data on the Web</title>
|
||||
<price-amazon>34.95</price-amazon>
|
||||
<price-bn>39.95</price-bn>
|
||||
</book-with-prices>
|
||||
</books-with-prices>
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
<bib>
|
||||
<book>
|
||||
<title>TCP/IP Illustrated</title>
|
||||
<author>
|
||||
<last>Stevens</last>
|
||||
<first>W.</first>
|
||||
</author>
|
||||
</book>
|
||||
<book>
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
<author>
|
||||
<last>Stevens</last>
|
||||
<first>W.</first>
|
||||
</author>
|
||||
</book>
|
||||
<book>
|
||||
<title>Data on the Web</title>
|
||||
<author>
|
||||
<last>Abiteboul</last>
|
||||
<first>Serge</first>
|
||||
</author>
|
||||
<author>
|
||||
<last>Buneman</last>
|
||||
<first>Peter</first>
|
||||
</author>
|
||||
<et-al/>
|
||||
</book>
|
||||
</bib>
|
||||
|
|
@ -0,0 +1,9 @@
|
|||
|
||||
<bib>
|
||||
<book year="1992">
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
</book>
|
||||
<book year="1994">
|
||||
<title>TCP/IP Illustrated</title>
|
||||
</book>
|
||||
</bib>
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
|
||||
<bib>
|
||||
<book>
|
||||
<title>Data on the Web</title>
|
||||
<author>
|
||||
<last>Suciu</last>
|
||||
<first>Dan</first>
|
||||
</author>
|
||||
</book>
|
||||
</bib>
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
|
||||
<results>
|
||||
<title>XML</title>
|
||||
<title>XML and Semistructured Data</title>
|
||||
</results>
|
||||
|
|
@ -0,0 +1,25 @@
|
|||
|
||||
<reviews>
|
||||
<entry>
|
||||
<title>Data on the Web</title>
|
||||
<price>34.95</price>
|
||||
<review>
|
||||
A very good discussion of semi-structured database
|
||||
systems and XML.
|
||||
</review>
|
||||
</entry>
|
||||
<entry>
|
||||
<title>Advanced Programming in the Unix environment</title>
|
||||
<price>65.95</price>
|
||||
<review>
|
||||
A clear and detailed discussion of UNIX programming.
|
||||
</review>
|
||||
</entry>
|
||||
<entry>
|
||||
<title>TCP/IP Illustrated</title>
|
||||
<price>65.95</price>
|
||||
<review>
|
||||
One of the best books on TCP/IP.
|
||||
</review>
|
||||
</entry>
|
||||
</reviews>
|
||||
|
|
@ -0,0 +1,388 @@
|
|||
/* Using xml.pl to solve XML Query Cases - An Example
|
||||
*
|
||||
* The following is a complete example to illustrate how the module can be used;
|
||||
* it exercises both the input and output parsing modes of xml_parse/[2,3], and
|
||||
* illustrates the use of xml_subterm/2 to access the nodes of a "document value
|
||||
* model". It's written for Quintus Prolog, but should port to other Prologs
|
||||
* easily.
|
||||
*
|
||||
* The entry-point of the program is the test/1 predicate.
|
||||
*
|
||||
* test( +QueryId ) executes a Prolog implementation of a Query from Use Case
|
||||
* "XMP": Experiences and Exemplars, in the W3C's XML Query Use Cases, which
|
||||
* "contains several example queries that illustrate requirements gathered from
|
||||
* the database and document communities".
|
||||
* <http://www.w3.org/TR/2002/WD-xmlquery-use-cases-20021115/#xmp>
|
||||
*
|
||||
* QueryId is one of q1…q12 selecting which of the 12 use cases is executed.
|
||||
* The XML output is written to the file [QueryId].xml in the current directory.
|
||||
*
|
||||
* xml_pp/1 is used to display the resulting "document value model"
|
||||
% data-structures on the user output (stdout) stream.
|
||||
*/
|
||||
|
||||
:- use_module(library(lists),[append/3]).
|
||||
|
||||
test( Query ) :-
|
||||
xml_query( Query, ResultElement ),
|
||||
% Parse output XML into the Output chars
|
||||
xml_parse( Output, xml([], [ResultElement]) ),
|
||||
absolute_file_name( Query, [extensions([xml])], OutputFile ),
|
||||
% Write OutputFile from the Output list of chars
|
||||
tell( OutputFile ),
|
||||
put_chars( Output ),
|
||||
told,
|
||||
% Pretty print OutputXML
|
||||
write( 'Output XML' ), nl,
|
||||
xml_pp( xml([], [ResultElement]) ).
|
||||
|
||||
/* xml_query( +QueryNo, ?OutputXML ) when OutputXML is an XML Document Value Model
|
||||
* produced by running an example taken, identified by QueryNo from the XML Query
|
||||
* "XMP" use case.
|
||||
*/
|
||||
|
||||
% Q1: List books published by Addison-Wesley after 1991, including their year and
|
||||
% title.
|
||||
|
||||
xml_query( q1, element(bib, [], Books) ) :-
|
||||
element_name( Title, title ),
|
||||
element_name( Publisher, publisher ),
|
||||
input_document( 'bib.xml', Bibliography ),
|
||||
findall(
|
||||
element(book, [year=Year], [Title]),
|
||||
(
|
||||
xml_subterm( Bibliography, element(book, Attributes, Content) ),
|
||||
xml_subterm( Content, Publisher ),
|
||||
xml_subterm( Publisher, Text ),
|
||||
text_value( Text, "Addison-Wesley" ),
|
||||
member( year=Year, Attributes ),
|
||||
number_codes( YearNo, Year ),
|
||||
YearNo > 1991,
|
||||
xml_subterm( Content, Title )
|
||||
),
|
||||
Books
|
||||
).
|
||||
|
||||
% Q2: Create a flat list of all the title-author pairs, with each pair enclosed
|
||||
% in a "result" element.
|
||||
|
||||
xml_query( q2, element(results, [], Results) ) :-
|
||||
element_name( Title, title ),
|
||||
element_name( Author, author ),
|
||||
element_name( Book, book ),
|
||||
input_document( 'bib.xml', Bibliography ),
|
||||
findall(
|
||||
element(result, [], [Title,Author]),
|
||||
(
|
||||
xml_subterm( Bibliography, Book ),
|
||||
xml_subterm( Book, Title ),
|
||||
xml_subterm( Book, Author )
|
||||
),
|
||||
Results
|
||||
).
|
||||
|
||||
% Q3: For each book in the bibliography, list the title and authors, grouped
|
||||
% inside a "result" element.
|
||||
|
||||
xml_query( q3, element(results, [], Results) ) :-
|
||||
element_name( Title, title ),
|
||||
element_name( Author, author ),
|
||||
element_name( Book, book ),
|
||||
input_document( 'bib.xml', Bibliography ),
|
||||
findall(
|
||||
element(result, [], [Title|Authors]),
|
||||
(
|
||||
xml_subterm( Bibliography, Book ),
|
||||
xml_subterm( Book, Title ),
|
||||
findall( Author, xml_subterm(Book, Author), Authors )
|
||||
),
|
||||
Results
|
||||
).
|
||||
|
||||
% Q4: For each author in the bibliography, list the author's name and the titles
|
||||
% of all books by that author, grouped inside a "result" element.
|
||||
|
||||
xml_query( q4, element(results, [], Results) ) :-
|
||||
element_name( Title, title ),
|
||||
element_name( Author, author ),
|
||||
element_name( Book, book ),
|
||||
input_document( 'bib.xml', Bibliography ),
|
||||
findall( Author, xml_subterm(Bibliography, Author), AuthorBag ),
|
||||
sort( AuthorBag, Authors ),
|
||||
findall(
|
||||
element(result, [], [Author|Titles]),
|
||||
(
|
||||
member( Author, Authors ),
|
||||
findall( Title, (
|
||||
xml_subterm( Bibliography, Book ),
|
||||
xml_subterm( Book, Author ),
|
||||
xml_subterm( Book, Title )
|
||||
),
|
||||
Titles
|
||||
)
|
||||
),
|
||||
Results
|
||||
).
|
||||
|
||||
% Q5: For each book found at both bn.com and amazon.com, list the title of the
|
||||
% book and its price from each source.
|
||||
|
||||
xml_query( q5, element('books-with-prices', [], BooksWithPrices) ) :-
|
||||
element_name( Title, title ),
|
||||
element_name( Book, book ),
|
||||
element_name( Review, entry ),
|
||||
input_document( 'bib.xml', Bibliography ),
|
||||
input_document( 'reviews.xml', Reviews ),
|
||||
findall(
|
||||
element('book-with-prices', [], [
|
||||
Title,
|
||||
element('price-bn',[], BNPrice ),
|
||||
element('price-amazon',[], AmazonPrice )
|
||||
] ),
|
||||
(
|
||||
xml_subterm( Bibliography, Book ),
|
||||
xml_subterm( Book, Title ),
|
||||
xml_subterm( Reviews, Review ),
|
||||
xml_subterm( Review, Title ),
|
||||
xml_subterm( Book, element(price,_, BNPrice) ),
|
||||
xml_subterm( Review, element(price,_, AmazonPrice) )
|
||||
),
|
||||
BooksWithPrices
|
||||
).
|
||||
|
||||
% Q6: For each book that has at least one author, list the title and first two
|
||||
% authors, and an empty "et-al" element if the book has additional authors.
|
||||
|
||||
xml_query( q6, element(bib, [], Results) ) :-
|
||||
element_name( Title, title ),
|
||||
element_name( Author, author ),
|
||||
element_name( Book, book ),
|
||||
input_document( 'bib.xml', Bibliography ),
|
||||
findall(
|
||||
element(book, [], [Title,FirstAuthor|Authors]),
|
||||
(
|
||||
xml_subterm( Bibliography, Book ),
|
||||
xml_subterm( Book, Title ),
|
||||
findall( Author, xml_subterm(Book, Author), [FirstAuthor|Others] ),
|
||||
other_authors( Others, Authors )
|
||||
),
|
||||
Results
|
||||
).
|
||||
|
||||
% Q7: List the titles and years of all books published by Addison-Wesley after
|
||||
% 1991, in alphabetic order.
|
||||
|
||||
xml_query( q7, element(bib, [], Books) ) :-
|
||||
element_name( Title, title ),
|
||||
element_name( Publisher, publisher ),
|
||||
input_document( 'bib.xml', Bibliography ),
|
||||
findall(
|
||||
Title-element(book, [year=Year], [Title]),
|
||||
(
|
||||
xml_subterm( Bibliography, element(book, Attributes, Book) ),
|
||||
xml_subterm( Book, Publisher ),
|
||||
xml_subterm( Publisher, Text ),
|
||||
text_value( Text, "Addison-Wesley" ),
|
||||
member( year=Year, Attributes ),
|
||||
number_codes( YearNo, Year ),
|
||||
YearNo > 1991,
|
||||
xml_subterm( Book, Title )
|
||||
),
|
||||
TitleBooks
|
||||
),
|
||||
keysort( TitleBooks, TitleBookSet ),
|
||||
range( TitleBookSet, Books ).
|
||||
|
||||
% Q8: Find books in which the name of some element ends with the string "or" and
|
||||
% the same element contains the string "Suciu" somewhere in its content. For each
|
||||
% such book, return the title and the qualifying element.
|
||||
|
||||
xml_query( q8, element(bib, [], Books) ) :-
|
||||
element_name( Title, title ),
|
||||
element_name( Book, book ),
|
||||
element_name( QualifyingElement, QualifyingName ),
|
||||
append( "Suciu", _Back, Suffix ),
|
||||
input_document( 'bib.xml', Bibliography ),
|
||||
findall(
|
||||
element(book, [], [Title,QualifyingElement]),
|
||||
(
|
||||
xml_subterm( Bibliography, Book ),
|
||||
xml_subterm( Book, QualifyingElement ),
|
||||
atom_codes( QualifyingName, QNChars ),
|
||||
append( _QNPrefix, "or", QNChars ),
|
||||
xml_subterm( QualifyingElement, TextItem ),
|
||||
text_value( TextItem, TextValue ),
|
||||
append( _Prefix, Suffix, TextValue ),
|
||||
xml_subterm( Book, Title )
|
||||
),
|
||||
Books
|
||||
).
|
||||
|
||||
% Q9: In the document "books.xml", find all section or chapter titles that
|
||||
% contain the word "XML", regardless of the level of nesting.
|
||||
|
||||
xml_query( q9, element(results, [], Titles) ) :-
|
||||
element_name( Title, title ),
|
||||
append( "XML", _Back, Suffix ),
|
||||
input_document( 'books.xml', Books ),
|
||||
findall(
|
||||
Title,
|
||||
(
|
||||
xml_subterm( Books, Title ),
|
||||
xml_subterm( Title, TextItem ),
|
||||
text_value( TextItem, TextValue ),
|
||||
append( _Prefix, Suffix, TextValue )
|
||||
),
|
||||
Titles
|
||||
).
|
||||
|
||||
% Q10: In the document "prices.xml", find the minimum price for each book, in the
|
||||
% form of a "minprice" element with the book title as its title attribute.
|
||||
|
||||
xml_query( q10, element(results, [], MinPrices) ) :-
|
||||
element_name( Title, title ),
|
||||
element_name( Price, price ),
|
||||
input_document( 'prices.xml', Prices ),
|
||||
findall( Title, xml_subterm(Prices, Title), TitleBag ),
|
||||
sort( TitleBag, TitleSet ),
|
||||
element_name( Book, book ),
|
||||
findall(
|
||||
element(minprice, [title=TitleString], [MinPrice]),
|
||||
(
|
||||
member( Title, TitleSet ),
|
||||
xml_subterm( Title, TitleText ),
|
||||
text_value( TitleText, TitleString ),
|
||||
findall( PriceValue-Price, (
|
||||
xml_subterm( Prices, Book ),
|
||||
xml_subterm( Book, Title ),
|
||||
xml_subterm( Book, Price ),
|
||||
xml_subterm( Price, Text ),
|
||||
text_value( Text, PriceChars ),
|
||||
number_codes( PriceValue, PriceChars )
|
||||
),
|
||||
PriceValues
|
||||
),
|
||||
minimum( PriceValues, PriceValue-MinPrice )
|
||||
),
|
||||
MinPrices
|
||||
).
|
||||
|
||||
% Q11: For each book with an author, return the book with its title and authors.
|
||||
% For each book with an editor, return a reference with the book title and the
|
||||
% editor's affiliation.
|
||||
|
||||
xml_query( q11, element(bib, [], Results) ) :-
|
||||
element_name( Title, title ),
|
||||
element_name( Author, author ),
|
||||
element_name( Book, book ),
|
||||
element_name( Editor, editor ),
|
||||
element_name( Affiliation, affiliation ),
|
||||
input_document( 'bib.xml', Bibliography ),
|
||||
findall(
|
||||
element(book, [], [Title,FirstAuthor|Authors]),
|
||||
(
|
||||
xml_subterm( Bibliography, Book ),
|
||||
xml_subterm( Book, Title ),
|
||||
findall( Author, xml_subterm(Book, Author), [FirstAuthor|Authors] )
|
||||
),
|
||||
Books
|
||||
),
|
||||
findall(
|
||||
element(reference, [], [Title,Affiliation]),
|
||||
(
|
||||
xml_subterm( Bibliography, Book ),
|
||||
xml_subterm( Book, Title ),
|
||||
xml_subterm( Book, Editor ),
|
||||
xml_subterm( Editor, Affiliation )
|
||||
),
|
||||
References
|
||||
),
|
||||
append( Books, References, Results ).
|
||||
|
||||
% Q12: Find pairs of books that have different titles but the same set of authors
|
||||
% (possibly in a different order).
|
||||
|
||||
xml_query( q12, element(bib, [], Pairs) ) :-
|
||||
element_name( Author, author ),
|
||||
element_name( Book1, book ),
|
||||
element_name( Book2, book ),
|
||||
element_name( Title1, title ),
|
||||
element_name( Title2, title ),
|
||||
input_document( 'bib.xml', Bibliography ),
|
||||
findall(
|
||||
element('book-pair', [], [Title1,Title2]),
|
||||
(
|
||||
xml_subterm( Bibliography, Book1 ),
|
||||
findall( Author, xml_subterm(Book1, Author), AuthorBag1 ),
|
||||
sort( AuthorBag1, AuthorSet ),
|
||||
xml_subterm( Bibliography, Book2 ),
|
||||
Book2 @< Book1,
|
||||
findall( Author, xml_subterm(Book2, Author), AuthorBag2 ),
|
||||
sort( AuthorBag2, AuthorSet ),
|
||||
xml_subterm( Book1, Title1 ),
|
||||
xml_subterm( Book2, Title2 )
|
||||
),
|
||||
Pairs
|
||||
).
|
||||
|
||||
% Auxilliary Predicates
|
||||
|
||||
other_authors( [], [] ).
|
||||
other_authors( [Author|Authors], [Author|EtAl] ) :-
|
||||
et_al( Authors, EtAl ).
|
||||
|
||||
et_al( [], [] ).
|
||||
et_al( [_|_], [element('et-al',[],[])] ).
|
||||
|
||||
text_value( [pcdata(Text)], Text ).
|
||||
text_value( [cdata(Text)], Text ).
|
||||
|
||||
element_name( element(Name, _Attributes, _Content), Name ).
|
||||
|
||||
|
||||
/* range( +Pairs, ?Range ) when Pairs is a list of key-datum pairs and Range
|
||||
* is the list of data.
|
||||
*/
|
||||
range( [], [] ).
|
||||
range( [_Key-Datum|Pairs], [Datum|Data] ) :-
|
||||
range( Pairs, Data ).
|
||||
|
||||
/* minimum( +List, ?Min ) is true if Min is the least member of List in the
|
||||
* standard order.
|
||||
*/
|
||||
minimum( [H|T], Min ):-
|
||||
minimum1( T, H, Min ).
|
||||
|
||||
minimum1( [], Min, Min ).
|
||||
minimum1( [H|T], Min0, Min ) :-
|
||||
compare( Relation, H, Min0 ),
|
||||
minimum2( Relation, H, Min0, T, Min ).
|
||||
|
||||
minimum2( '=', Min0, Min0, T, Min ) :-
|
||||
minimum1( T, Min0, Min ).
|
||||
minimum2( '<', Min0, _Min1, T, Min ) :-
|
||||
minimum1( T, Min0, Min ).
|
||||
minimum2( '>', _Min0, Min1, T, Min ) :-
|
||||
minimum1( T, Min1, Min ).
|
||||
|
||||
/* input_document( +File, ?XML ) reads File and parses the input into the
|
||||
* "Document Value Model" XML.
|
||||
*/
|
||||
input_document( File, XML ) :-
|
||||
% Read InputFile as a list of chars
|
||||
see( File ),
|
||||
get_chars( Input ),
|
||||
seen,
|
||||
% Parse the Input chars into the term XML
|
||||
xml_parse( Input, XML ).
|
||||
|
||||
% Load the XML module.
|
||||
|
||||
:- use_module( library(xml) ).
|
||||
|
||||
|
||||
% Load a small library of utilities.
|
||||
|
||||
:- ensure_loaded( misc ).
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,389 @@
|
|||
/* xml_generation.pl : Document -> XML translation
|
||||
*
|
||||
* Copyright (C) 2001-2005 Binding Time Limited
|
||||
* Copyright (C) 2005-2011 John Fletcher
|
||||
*
|
||||
* Current Release: $Revision: 3.7 $
|
||||
*
|
||||
* TERMS AND CONDITIONS:
|
||||
*
|
||||
* This program is offered free of charge, as unsupported source code. You may
|
||||
* use it, copy it, distribute it, modify it or sell it without restriction,
|
||||
* but entirely at your own risk.
|
||||
*/
|
||||
|
||||
:- ensure_loaded( xml_utilities ).
|
||||
|
||||
/* document_generation( +Format, +Document ) is a DCG generating Document
|
||||
* as a list of character codes. Format is true|false defining whether layouts,
|
||||
* to provide indentation, should be added between the element content of
|
||||
* the resultant "string". Note that formatting is disabled for elements that
|
||||
* are interspersed with pcdata/1 terms, such as XHTML's 'inline' elements.
|
||||
* Also, Format is over-ridden, for an individual element, by an explicit
|
||||
* 'xml:space'="preserve" attribute.
|
||||
*/
|
||||
document_generation( Format, xml(Attributes, Document) ) -->
|
||||
document_generation_body( Attributes, Format, Document ).
|
||||
|
||||
document_generation_body( [], Format, Document ) -->
|
||||
generation( Document, "", Format, [], _Format1 ).
|
||||
document_generation_body( Attributes, Format, Document ) -->
|
||||
{ Attributes = [_|_],
|
||||
xml_declaration_attributes_valid( Attributes )
|
||||
},
|
||||
"<?xml",
|
||||
generated_attributes( Attributes, Format, Format0 ),
|
||||
"?>",
|
||||
indent( true, [] ),
|
||||
generation( Document, "", Format0, [], _Format1 ).
|
||||
|
||||
generation( [], _Prefix, Format, _Indent, Format ) --> [].
|
||||
generation( [Term|Terms], Prefix, Format0, Indent, Format ) -->
|
||||
generation( Term, Prefix, Format0, Indent, Format1 ),
|
||||
generation( Terms, Prefix, Format1, Indent, Format ).
|
||||
generation( doctype(Name, External), _Prefix, Format, [], Format ) -->
|
||||
"<!DOCTYPE ",
|
||||
generated_name( Name ),
|
||||
generated_external_id( External ),
|
||||
">".
|
||||
generation( instructions(Target,Process), _Prefix, Format, Indent, Format ) -->
|
||||
indent( Format, Indent ),
|
||||
"<?", generated_name(Target), " ", chars( Process ) ,"?>".
|
||||
generation( pcdata(Chars), _Prefix, Format0, _Indent, Format1 ) -->
|
||||
pcdata_generation( Chars ),
|
||||
{character_data_format( Chars, Format0, Format1 )}.
|
||||
generation( comment( Comment ), _Prefix, Format, Indent, Format ) -->
|
||||
indent( Format, Indent ),
|
||||
"<!--", chars( Comment ), "-->".
|
||||
generation( namespace(URI, Prefix, element(Name, Atts, Content)),
|
||||
_Prefix0, Format, Indent, Format ) -->
|
||||
indent( Format, Indent ),
|
||||
"<", generated_prefixed_name( Prefix, Name ),
|
||||
generated_prefixed_attributes( Prefix, URI, Atts, Format, Format1 ),
|
||||
generated_content( Content, Format1, Indent, Prefix, Name ).
|
||||
generation( element(Name, Atts, Content), Prefix, Format, Indent, Format ) -->
|
||||
indent( Format, Indent ),
|
||||
"<", generated_prefixed_name( Prefix, Name ),
|
||||
generated_attributes( Atts, Format, Format1 ),
|
||||
generated_content( Content, Format1, Indent, Prefix, Name ).
|
||||
generation( cdata(CData), _Prefix, Format0, _Indent, Format1 ) -->
|
||||
"<![CDATA[", cdata_generation(CData), "]]>",
|
||||
{character_data_format( CData, Format0, Format1 )}.
|
||||
|
||||
generated_attributes( [], Format, Format ) --> [].
|
||||
generated_attributes( [Name=Value|Attributes], Format0, Format ) -->
|
||||
{( Name == 'xml:space',
|
||||
Value="preserve" ->
|
||||
Format1 = false
|
||||
; otherwise ->
|
||||
Format1 = Format0
|
||||
)},
|
||||
" ",
|
||||
generated_name( Name ),
|
||||
"=""",
|
||||
quoted_string( Value ),
|
||||
"""",
|
||||
generated_attributes( Attributes, Format1, Format ).
|
||||
|
||||
generated_prefixed_name( [], Name ) -->
|
||||
generated_name( Name ).
|
||||
generated_prefixed_name( Prefix, Name ) -->
|
||||
{Prefix = [_|_]},
|
||||
chars( Prefix ), ":",
|
||||
generated_name( Name ).
|
||||
|
||||
generated_content( [], _Format, _Indent, _Prefix, _Namespace ) -->
|
||||
" />". % Leave an extra space for XHTML output.
|
||||
generated_content( [H|T], Format, Indent, Prefix, Namespace ) -->
|
||||
">",
|
||||
generation( H, Prefix, Format, [0' |Indent], Format1 ),
|
||||
generation( T, Prefix, Format1, [0' |Indent], Format2 ),
|
||||
indent( Format2, Indent ),
|
||||
"</", generated_prefixed_name( Prefix, Namespace ), ">".
|
||||
|
||||
generated_prefixed_attributes( [_|_Prefix], _URI, Atts, Format0, Format ) -->
|
||||
generated_attributes( Atts, Format0, Format ).
|
||||
generated_prefixed_attributes( [], URI, Atts, Format0, Format ) -->
|
||||
{atom_codes( URI, Namespace ),
|
||||
findall( Attr, (member(Attr, Atts), \+ Attr=(xmlns=_Val)), Atts1 )
|
||||
},
|
||||
generated_attributes( [xmlns=Namespace|Atts1], Format0, Format ).
|
||||
|
||||
generated_name( Name, Plus, Minus ) :-
|
||||
atom_codes( Name, Chars ),
|
||||
append( Chars, Minus, Plus ).
|
||||
|
||||
generated_external_id( local ) --> "".
|
||||
generated_external_id( local(Literals) ) --> " [",
|
||||
generated_doctype_literals( Literals ), "
|
||||
]".
|
||||
generated_external_id( system(URL) ) -->
|
||||
" SYSTEM """,
|
||||
chars( URL ),
|
||||
"""".
|
||||
generated_external_id( system(URL,Literals) ) -->
|
||||
" SYSTEM """,
|
||||
chars( URL ),
|
||||
""" [",
|
||||
generated_doctype_literals( Literals ), "
|
||||
]".
|
||||
generated_external_id( public(URN,URL) ) -->
|
||||
" PUBLIC """,
|
||||
chars( URN ),
|
||||
""" """,
|
||||
chars( URL ),
|
||||
"""".
|
||||
generated_external_id( public(URN,URL,Literals) ) -->
|
||||
" PUBLIC """,
|
||||
chars( URN ),
|
||||
""" """,
|
||||
chars( URL ),
|
||||
""" [",
|
||||
generated_doctype_literals( Literals ), "
|
||||
]".
|
||||
|
||||
generated_doctype_literals( [] ) --> "".
|
||||
generated_doctype_literals( [dtd_literal(String)|Literals] ) --> "
|
||||
<!", cdata_generation( String ), ">",
|
||||
generated_doctype_literals( Literals ).
|
||||
|
||||
/* quoted_string( +Chars ) is a DCG representing Chars, a list of character
|
||||
* codes, as a legal XML attribute string. Any leading or trailing layout
|
||||
* characters are removed. &, " and < characters are replaced by &, "
|
||||
* and < respectively, .
|
||||
*/
|
||||
quoted_string( Raw, Plus, Minus ) :-
|
||||
quoted_string1( Raw, NoLeadingLayouts ),
|
||||
quoted_string2( NoLeadingLayouts, Layout, Layout, Plus, Minus ).
|
||||
|
||||
quoted_string1( [], [] ).
|
||||
quoted_string1( [Char|Chars], NoLeadingLayouts ) :-
|
||||
( Char > 32 ->
|
||||
NoLeadingLayouts = [Char|Chars]
|
||||
; otherwise ->
|
||||
quoted_string1( Chars, NoLeadingLayouts )
|
||||
).
|
||||
|
||||
quoted_string2( [], _LayoutPlus, _LayoutMinus, List, List ).
|
||||
quoted_string2( [Char|Chars], LayoutPlus, LayoutMinus, Plus, Minus ) :-
|
||||
( Char =< " " ->
|
||||
Plus = Plus1,
|
||||
LayoutMinus = [Char|LayoutMinus1],
|
||||
LayoutPlus = LayoutPlus1
|
||||
; Char == 34 ->
|
||||
Plus = LayoutPlus,
|
||||
escaped_quote( LayoutMinus, Plus1 ),
|
||||
LayoutPlus1 = LayoutMinus1
|
||||
; Char == 39 ->
|
||||
Plus = LayoutPlus,
|
||||
apos( LayoutMinus, Plus1 ),
|
||||
LayoutPlus1 = LayoutMinus1
|
||||
; Char =< 127 ->
|
||||
Plus = LayoutPlus,
|
||||
pcdata_7bit( Char, LayoutMinus, Plus1 ),
|
||||
LayoutPlus1 = LayoutMinus1
|
||||
; legal_xml_unicode( Char ) ->
|
||||
Plus = LayoutPlus,
|
||||
number_codes( Char, Codes ),
|
||||
pcdata_8bits_plus( Codes, LayoutMinus, Plus1 ),
|
||||
LayoutPlus1 = LayoutMinus1
|
||||
; otherwise ->
|
||||
LayoutPlus = LayoutPlus1,
|
||||
LayoutMinus = LayoutMinus1,
|
||||
Plus = Plus1
|
||||
),
|
||||
quoted_string2( Chars, LayoutPlus1, LayoutMinus1, Plus1, Minus ).
|
||||
|
||||
indent( false, _Indent ) --> [].
|
||||
indent( true, Indent ) -->
|
||||
[10],
|
||||
chars( Indent ).
|
||||
|
||||
apos --> "'".
|
||||
|
||||
escaped_quote --> """.
|
||||
|
||||
/* pcdata_generation( +Chars ) is a DCG representing Chars, a list of character
|
||||
* codes as legal XML "Parsed character data" (PCDATA) string. Any codes
|
||||
* which cannot be represented by a 7-bit character are replaced by their
|
||||
* decimal numeric character entity e.g. code 160 (non-breaking space) is
|
||||
* represented as  . Any character codes disallowed by the XML
|
||||
* specification are not encoded.
|
||||
*/
|
||||
pcdata_generation( [], Plus, Plus ).
|
||||
pcdata_generation( [Char|Chars], Plus, Minus ) :-
|
||||
( Char =< 127 ->
|
||||
pcdata_7bit( Char, Plus, Mid )
|
||||
; legal_xml_unicode( Char ) ->
|
||||
number_codes( Char, Codes ),
|
||||
pcdata_8bits_plus( Codes, Plus, Mid )
|
||||
; otherwise ->
|
||||
Plus = Mid
|
||||
),
|
||||
pcdata_generation( Chars, Mid, Minus ).
|
||||
|
||||
/* pcdata_7bit(+Char) represents the ascii character set in its
|
||||
* simplest format, using the character entities & < and >.
|
||||
*/
|
||||
pcdata_7bit( 0 ) --> "".
|
||||
pcdata_7bit( 1 ) --> "".
|
||||
pcdata_7bit( 2 ) --> "".
|
||||
pcdata_7bit( 3 ) --> "".
|
||||
pcdata_7bit( 4 ) --> "".
|
||||
pcdata_7bit( 5 ) --> "".
|
||||
pcdata_7bit( 6 ) --> "".
|
||||
pcdata_7bit( 7 ) --> "".
|
||||
pcdata_7bit( 8 ) --> "".
|
||||
pcdata_7bit( 9 ) --> [9].
|
||||
pcdata_7bit( 10 ) --> [10].
|
||||
pcdata_7bit( 11 ) --> "".
|
||||
pcdata_7bit( 12 ) --> "".
|
||||
pcdata_7bit( 13 ) --> [13].
|
||||
pcdata_7bit( 14 ) --> "".
|
||||
pcdata_7bit( 15 ) --> "".
|
||||
pcdata_7bit( 16 ) --> "".
|
||||
pcdata_7bit( 17 ) --> "".
|
||||
pcdata_7bit( 18 ) --> "".
|
||||
pcdata_7bit( 19 ) --> "".
|
||||
pcdata_7bit( 20 ) --> "".
|
||||
pcdata_7bit( 21 ) --> "".
|
||||
pcdata_7bit( 22 ) --> "".
|
||||
pcdata_7bit( 23 ) --> "".
|
||||
pcdata_7bit( 24 ) --> "".
|
||||
pcdata_7bit( 25 ) --> "".
|
||||
pcdata_7bit( 26 ) --> "".
|
||||
pcdata_7bit( 27 ) --> "".
|
||||
pcdata_7bit( 28 ) --> "".
|
||||
pcdata_7bit( 29 ) --> "".
|
||||
pcdata_7bit( 30 ) --> "".
|
||||
pcdata_7bit( 31 ) --> "".
|
||||
pcdata_7bit( 32 ) --> " ".
|
||||
pcdata_7bit( 33 ) --> "!".
|
||||
pcdata_7bit( 34 ) --> [34].
|
||||
pcdata_7bit( 35 ) --> "#".
|
||||
pcdata_7bit( 36 ) --> "$".
|
||||
pcdata_7bit( 37 ) --> "%".
|
||||
pcdata_7bit( 38 ) --> "&".
|
||||
pcdata_7bit( 39 ) --> "'".
|
||||
pcdata_7bit( 40 ) --> "(".
|
||||
pcdata_7bit( 41 ) --> ")".
|
||||
pcdata_7bit( 42 ) --> "*".
|
||||
pcdata_7bit( 43 ) --> "+".
|
||||
pcdata_7bit( 44 ) --> ",".
|
||||
pcdata_7bit( 45 ) --> "-".
|
||||
pcdata_7bit( 46 ) --> ".".
|
||||
pcdata_7bit( 47 ) --> "/".
|
||||
pcdata_7bit( 48 ) --> "0".
|
||||
pcdata_7bit( 49 ) --> "1".
|
||||
pcdata_7bit( 50 ) --> "2".
|
||||
pcdata_7bit( 51 ) --> "3".
|
||||
pcdata_7bit( 52 ) --> "4".
|
||||
pcdata_7bit( 53 ) --> "5".
|
||||
pcdata_7bit( 54 ) --> "6".
|
||||
pcdata_7bit( 55 ) --> "7".
|
||||
pcdata_7bit( 56 ) --> "8".
|
||||
pcdata_7bit( 57 ) --> "9".
|
||||
pcdata_7bit( 58 ) --> ":".
|
||||
pcdata_7bit( 59 ) --> ";".
|
||||
pcdata_7bit( 60 ) --> "<".
|
||||
pcdata_7bit( 61 ) --> "=".
|
||||
pcdata_7bit( 62 ) --> ">". % escaping necessary to prevent ']]>' sequences in pcdata.
|
||||
pcdata_7bit( 63 ) --> "?".
|
||||
pcdata_7bit( 64 ) --> "@".
|
||||
pcdata_7bit( 65 ) --> "A".
|
||||
pcdata_7bit( 66 ) --> "B".
|
||||
pcdata_7bit( 67 ) --> "C".
|
||||
pcdata_7bit( 68 ) --> "D".
|
||||
pcdata_7bit( 69 ) --> "E".
|
||||
pcdata_7bit( 70 ) --> "F".
|
||||
pcdata_7bit( 71 ) --> "G".
|
||||
pcdata_7bit( 72 ) --> "H".
|
||||
pcdata_7bit( 73 ) --> "I".
|
||||
pcdata_7bit( 74 ) --> "J".
|
||||
pcdata_7bit( 75 ) --> "K".
|
||||
pcdata_7bit( 76 ) --> "L".
|
||||
pcdata_7bit( 77 ) --> "M".
|
||||
pcdata_7bit( 78 ) --> "N".
|
||||
pcdata_7bit( 79 ) --> "O".
|
||||
pcdata_7bit( 80 ) --> "P".
|
||||
pcdata_7bit( 81 ) --> "Q".
|
||||
pcdata_7bit( 82 ) --> "R".
|
||||
pcdata_7bit( 83 ) --> "S".
|
||||
pcdata_7bit( 84 ) --> "T".
|
||||
pcdata_7bit( 85 ) --> "U".
|
||||
pcdata_7bit( 86 ) --> "V".
|
||||
pcdata_7bit( 87 ) --> "W".
|
||||
pcdata_7bit( 88 ) --> "X".
|
||||
pcdata_7bit( 89 ) --> "Y".
|
||||
pcdata_7bit( 90 ) --> "Z".
|
||||
pcdata_7bit( 91 ) --> "[".
|
||||
pcdata_7bit( 92 ) --> [92].
|
||||
pcdata_7bit( 93 ) --> "]".
|
||||
pcdata_7bit( 94 ) --> "^".
|
||||
pcdata_7bit( 95 ) --> "_".
|
||||
pcdata_7bit( 96 ) --> "`".
|
||||
pcdata_7bit( 97 ) --> "a".
|
||||
pcdata_7bit( 98 ) --> "b".
|
||||
pcdata_7bit( 99 ) --> "c".
|
||||
pcdata_7bit( 100 ) --> "d".
|
||||
pcdata_7bit( 101 ) --> "e".
|
||||
pcdata_7bit( 102 ) --> "f".
|
||||
pcdata_7bit( 103 ) --> "g".
|
||||
pcdata_7bit( 104 ) --> "h".
|
||||
pcdata_7bit( 105 ) --> "i".
|
||||
pcdata_7bit( 106 ) --> "j".
|
||||
pcdata_7bit( 107 ) --> "k".
|
||||
pcdata_7bit( 108 ) --> "l".
|
||||
pcdata_7bit( 109 ) --> "m".
|
||||
pcdata_7bit( 110 ) --> "n".
|
||||
pcdata_7bit( 111 ) --> "o".
|
||||
pcdata_7bit( 112 ) --> "p".
|
||||
pcdata_7bit( 113 ) --> "q".
|
||||
pcdata_7bit( 114 ) --> "r".
|
||||
pcdata_7bit( 115 ) --> "s".
|
||||
pcdata_7bit( 116 ) --> "t".
|
||||
pcdata_7bit( 117 ) --> "u".
|
||||
pcdata_7bit( 118 ) --> "v".
|
||||
pcdata_7bit( 119 ) --> "w".
|
||||
pcdata_7bit( 120 ) --> "x".
|
||||
pcdata_7bit( 121 ) --> "y".
|
||||
pcdata_7bit( 122 ) --> "z".
|
||||
pcdata_7bit( 123 ) --> "{".
|
||||
pcdata_7bit( 124 ) --> "|".
|
||||
pcdata_7bit( 125 ) --> "}".
|
||||
pcdata_7bit( 126 ) --> [126].
|
||||
pcdata_7bit( 127 ) --> "".
|
||||
|
||||
pcdata_8bits_plus( Codes ) -->
|
||||
"&#", chars( Codes ), ";".
|
||||
|
||||
/* character_data_format( +Chars, +Format0, ?Format1 ) holds when Format0 and
|
||||
* Format1 are the statuses of XML formatting before and after Chars -
|
||||
* which may be null.
|
||||
*/
|
||||
character_data_format( [], Format, Format ).
|
||||
character_data_format( [_Char|_Chars], _Format, false ).
|
||||
|
||||
/* cdata_generation( +Chars ) is a DCG representing Chars, a list of character
|
||||
* codes as a legal XML CDATA string. Any character codes disallowed by the XML
|
||||
* specification are not encoded.
|
||||
*/
|
||||
cdata_generation( [] ) --> "".
|
||||
cdata_generation( [Char|Chars] ) -->
|
||||
( {legal_xml_unicode( Char )}, !, [Char]
|
||||
; ""
|
||||
),
|
||||
cdata_generation( Chars ).
|
||||
|
||||
legal_xml_unicode( 9 ).
|
||||
legal_xml_unicode( 10 ).
|
||||
legal_xml_unicode( 13 ).
|
||||
legal_xml_unicode( Code ) :-
|
||||
Code >= 32,
|
||||
Code =< 55295.
|
||||
legal_xml_unicode( Code ) :-
|
||||
Code >= 57344,
|
||||
Code =< 65533.
|
||||
legal_xml_unicode( Code ) :-
|
||||
Code >= 65536,
|
||||
Code =< 1114111.
|
||||
|
|
@ -0,0 +1,198 @@
|
|||
/* xml_pp: "pretty print" an XML Document on the current output stream.
|
||||
*
|
||||
* Copyright (C) 2001-2005 Binding Time Limited
|
||||
* Copyright (C) 2005-2011 John Fletcher
|
||||
*
|
||||
* Current Release: $Revision: 3.3 $
|
||||
*
|
||||
* TERMS AND CONDITIONS:
|
||||
*
|
||||
* This program is offered free of charge, as unsupported source code. You may
|
||||
* use it, copy it, distribute it, modify it or sell it without restriction,
|
||||
* but entirely at your own risk.
|
||||
*/
|
||||
|
||||
:- ensure_loaded( xml_utilities ).
|
||||
|
||||
/* xml_pp( +XMLDocument ) "pretty prints" XMLDocument on the current
|
||||
* output stream.
|
||||
*/
|
||||
xml_pp( xml(Attributes, Document) ) :-
|
||||
write( 'xml( ' ), pp_attributes( Attributes, 0 ), pp_comma, nl,
|
||||
pp_list( Document, s(0) ),
|
||||
write( ' ).' ), nl.
|
||||
xml_pp( malformed(Attributes, Document) ) :-
|
||||
write( 'malformed( ' ), pp_attributes( Attributes, 0 ), pp_comma, nl,
|
||||
pp_list( Document, s(0) ),
|
||||
write( ' ).' ), nl.
|
||||
|
||||
pp_indented( [], Indent ) :-
|
||||
pp_indent( Indent), write( '[]' ).
|
||||
pp_indented( List, Indent ) :-
|
||||
List = [_|_],
|
||||
pp_indent( Indent ),
|
||||
pp_list( List, Indent ).
|
||||
pp_indented( comment(Text), Indent ) :-
|
||||
pp_indent( Indent ), write( 'comment(' ), pp_string(Text), write( ')' ).
|
||||
pp_indented( namespace(URI,Prefix,Element), Indent ) :-
|
||||
pp_indent( Indent ),
|
||||
write( 'namespace( ' ), writeq( URI ), pp_comma_sp,
|
||||
pp_string( Prefix ), pp_comma, nl,
|
||||
pp_indented( Element, s(Indent) ), nl,
|
||||
pp_indent( s(Indent) ), write( ')' ).
|
||||
pp_indented( element(Tag,Attributes,Contents), Indent ) :-
|
||||
pp_indent( Indent ), write( 'element( ' ), writeq( Tag ), pp_comma, nl,
|
||||
pp_attributes( Attributes, s(Indent) ), pp_comma, nl,
|
||||
pp_list( Contents, s(Indent) ), write( ' )' ).
|
||||
pp_indented( instructions(Target, Processing), Indent ) :-
|
||||
pp_indent( Indent ), write( 'instructions( ' ), writeq( Target ), pp_comma_sp,
|
||||
pp_string(Processing), write( ')' ).
|
||||
pp_indented( doctype(Name, DoctypeId), Indent ) :-
|
||||
pp_indent( Indent ), write( 'doctype( ' ), writeq( Name ), pp_comma_sp,
|
||||
pp_indented( DoctypeId, s(Indent) ), %'
|
||||
write( ' )' ).
|
||||
pp_indented( cdata(CData), Indent ) :-
|
||||
pp_indent( Indent ), write( 'cdata(' ), pp_string(CData), write( ')' ).
|
||||
pp_indented( pcdata(PCData), Indent ) :-
|
||||
pp_indent( Indent ), write( 'pcdata(' ), pp_string(PCData), write( ')' ).
|
||||
pp_indented( public(URN,URL), _Indent ) :-
|
||||
write( 'public(' ), pp_string(URN), pp_comma_sp,
|
||||
pp_string(URL), write( ')' ).
|
||||
pp_indented( public(URN,URL,Literals), Indent ) :-
|
||||
write( 'public(' ), pp_string(URN), pp_comma_sp,
|
||||
pp_string(URL), pp_list( Literals, s(Indent) ), write( ')' ).
|
||||
pp_indented( system(URL), _Indent ) :-
|
||||
write( 'system(' ), pp_string(URL), write( ')' ).
|
||||
pp_indented( system(URL,Literals), Indent ) :-
|
||||
write( 'system(' ), pp_string(URL), pp_comma_sp,
|
||||
pp_list( Literals, s(Indent) ), write( ')' ).
|
||||
pp_indented( local, _Indent ) :-
|
||||
write( local ).
|
||||
pp_indented( local(Literals), Indent ) :-
|
||||
write( 'local(' ), nl,
|
||||
pp_list( Literals, s(Indent) ), write( ')' ).
|
||||
pp_indented( dtd_literal(String), Indent ) :-
|
||||
pp_indent( Indent ), write( 'dtd_literal(' ), pp_string(String), write( ')' ).
|
||||
pp_indented( out_of_context(Tag), Indent ) :-
|
||||
pp_indent( Indent ), write( '/* SYNTAX ERROR */ out_of_context( ' ),
|
||||
writeq( Tag ), write( ' )' ).
|
||||
pp_indented( unparsed(String), Indent ) :-
|
||||
pp_indent( Indent ), write( '/* SYNTAX ERROR */ unparsed( ' ),
|
||||
pp_string(String), write( ' )' ).
|
||||
|
||||
pp_list( [], Indent ) :-
|
||||
pp_indent( Indent ), write( [] ).
|
||||
pp_list( [H|T], Indent ) :-
|
||||
pp_indent( Indent ), write( '[' ), nl,
|
||||
pp_indented( H, Indent ),
|
||||
pp_list1( T, Indent ),
|
||||
pp_indent( Indent ), write( ']' ).
|
||||
|
||||
pp_list1( [], _Indent ) :-
|
||||
nl.
|
||||
pp_list1( [H|T], Indent ) :-
|
||||
pp_comma, nl,
|
||||
pp_indented( H, Indent ),
|
||||
pp_list1( T, Indent ).
|
||||
|
||||
pp_attributes( [], Indent ) :-
|
||||
pp_indent( Indent ), write( [] ).
|
||||
pp_attributes( [Attribute|Attributes], Indent ) :-
|
||||
pp_indent( Indent ), write( '[' ),
|
||||
pp_attributes1( Attributes, Attribute ),
|
||||
write( ']' ).
|
||||
|
||||
pp_attributes1( [], Name=Value ) :-
|
||||
pp_name( Name ), pp_string( Value ).
|
||||
pp_attributes1( [H|T], Name=Value ) :-
|
||||
pp_name( Name ), pp_string( Value ), pp_comma_sp,
|
||||
pp_attributes1( T, H ).
|
||||
|
||||
|
||||
pp_name( Name ) :-
|
||||
( possible_operator( Name ) ->
|
||||
write( '(' ), write( Name ), write( ')=' )
|
||||
; otherwise ->
|
||||
writeq( Name ), write( '=' )
|
||||
).
|
||||
|
||||
possible_operator( (abolish) ).
|
||||
possible_operator( (attribute) ).
|
||||
possible_operator( (check_advice) ).
|
||||
possible_operator( (compile_command) ).
|
||||
possible_operator( (delay) ).
|
||||
possible_operator( (demon) ).
|
||||
possible_operator( (discontiguous) ).
|
||||
possible_operator( (div) ).
|
||||
possible_operator( (do) ).
|
||||
possible_operator( (document_export) ).
|
||||
possible_operator( (document_import) ).
|
||||
possible_operator( (dy) ).
|
||||
possible_operator( (dynamic) ).
|
||||
possible_operator( (edb) ).
|
||||
possible_operator( (eexport) ).
|
||||
possible_operator( (else) ).
|
||||
possible_operator( (except) ).
|
||||
possible_operator( (export) ).
|
||||
possible_operator( (foreign_pred) ).
|
||||
possible_operator( (from) ).
|
||||
possible_operator( (from_chars) ).
|
||||
possible_operator( (from_file) ).
|
||||
possible_operator( (from_stream) ).
|
||||
possible_operator( (global) ).
|
||||
possible_operator( (help) ).
|
||||
possible_operator( (hilog) ).
|
||||
possible_operator( (if) ).
|
||||
possible_operator( (import) ).
|
||||
possible_operator( (index) ).
|
||||
possible_operator( (initialization) ).
|
||||
possible_operator( (is) ).
|
||||
possible_operator( (listing) ).
|
||||
possible_operator( (local) ).
|
||||
possible_operator( (locked) ).
|
||||
possible_operator( (meta_predicate) ).
|
||||
possible_operator( (mod) ).
|
||||
possible_operator( (mode) ).
|
||||
possible_operator( (module_transparent) ).
|
||||
possible_operator( (multifile) ).
|
||||
possible_operator( (namic) ).
|
||||
possible_operator( (nocheck_advice) ).
|
||||
possible_operator( (nospy) ).
|
||||
possible_operator( (not) ).
|
||||
possible_operator( (of) ).
|
||||
possible_operator( (once) ).
|
||||
possible_operator( (onto_chars) ).
|
||||
possible_operator( (onto_file) ).
|
||||
possible_operator( (onto_stream) ).
|
||||
possible_operator( (parallel) ).
|
||||
possible_operator( (public) ).
|
||||
possible_operator( (r) ).
|
||||
possible_operator( (rem) ).
|
||||
possible_operator( (skipped) ).
|
||||
possible_operator( (spy) ).
|
||||
possible_operator( (table) ).
|
||||
possible_operator( (then) ).
|
||||
possible_operator( (thread_local) ).
|
||||
possible_operator( (ti) ).
|
||||
possible_operator( (ti_off) ).
|
||||
possible_operator( (traceable) ).
|
||||
possible_operator( (unskipped) ).
|
||||
possible_operator( (untraceable) ).
|
||||
possible_operator( (use_subsumptive_tabling) ).
|
||||
possible_operator( (use_variant_tabling) ).
|
||||
possible_operator( (volatile) ).
|
||||
possible_operator( (with) ).
|
||||
possible_operator( (with_input_from_chars) ).
|
||||
possible_operator( (with_output_to_chars) ).
|
||||
possible_operator( (xor) ).
|
||||
|
||||
pp_indent( 0 ).
|
||||
pp_indent( s(N) ) :-
|
||||
write( ' ' ),
|
||||
pp_indent( N ).
|
||||
|
||||
pp_comma :-
|
||||
write( ',' ).
|
||||
|
||||
pp_comma_sp :-
|
||||
write( ', ' ).
|
||||
|
|
@ -0,0 +1,499 @@
|
|||
/* XML Utilities
|
||||
*
|
||||
* Copyright (C) 2001-2005 Binding Time Limited
|
||||
* Copyright (C) 2005-2011 John Fletcher
|
||||
*
|
||||
* Current Release: $Revision: 3.4 $
|
||||
*
|
||||
* TERMS AND CONDITIONS:
|
||||
*
|
||||
* This program is offered free of charge, as unsupported source code. You may
|
||||
* use it, copy it, distribute it, modify it or sell it without restriction,
|
||||
* but entirely at your own risk.
|
||||
*/
|
||||
|
||||
% Entity and Namespace map operations: these maps are usually quite small, so
|
||||
% a linear list lookup is okay. They could be substituted by a logarithmic
|
||||
% data structure - in extremis.
|
||||
|
||||
/* empty_map( ?Map ) is true if Map is a null map.
|
||||
*/
|
||||
empty_map( [] ).
|
||||
|
||||
/* map_member( +Key, +Map, ?Data ) is true if Map is a ordered map structure
|
||||
* which records the pair Key-Data. Key must be ground.
|
||||
*/
|
||||
map_member( Key0, [Key1-Data1|Rest], Data0 ) :-
|
||||
( Key0 == Key1 ->
|
||||
Data0 = Data1
|
||||
; Key0 @> Key1 ->
|
||||
map_member( Key0, Rest, Data0 )
|
||||
).
|
||||
|
||||
/* map_store( +Map0, +Key, +Data, ?Map1 ) is true if Map0 is an ordered map
|
||||
* structure, Key must be ground, and Map1 is identical to Map0 except that
|
||||
* the pair Key-Data is recorded by Map1.
|
||||
*/
|
||||
map_store( [], Key, Data, [Key-Data] ).
|
||||
map_store( [Key0-Data0|Map0], Key, Data, Map ) :-
|
||||
( Key == Key0 ->
|
||||
Map = [Key-Data|Map0]
|
||||
; Key @< Key0 ->
|
||||
Map = [Key-Data,Key0-Data0|Map0]
|
||||
; otherwise -> % >
|
||||
Map = [Key0-Data0|Map1],
|
||||
map_store( Map0, Key, Data, Map1 )
|
||||
).
|
||||
|
||||
/* context(?Element, ?PreserveSpace, ?CurrentNS, ?DefaultNS, ?Entities, ?Namespaces )
|
||||
* is an ADT hiding the "state" arguments for XML Acquisition
|
||||
*/
|
||||
initial_context(
|
||||
Controls,
|
||||
context(void,PreserveSpace,'','',Entities,Empty,
|
||||
RemoveAttributePrefixes,AllowAmpersand)
|
||||
) :-
|
||||
empty_map( Empty ),
|
||||
( member( extended_characters(false), Controls ) ->
|
||||
Entities = Empty
|
||||
; otherwise ->
|
||||
extended_character_entities(Entities)
|
||||
),
|
||||
( member( format(false), Controls ) ->
|
||||
PreserveSpace = true
|
||||
; otherwise ->
|
||||
PreserveSpace = false
|
||||
),
|
||||
( member( remove_attribute_prefixes(true), Controls ) ->
|
||||
RemoveAttributePrefixes = true
|
||||
; otherwise ->
|
||||
RemoveAttributePrefixes = false
|
||||
),
|
||||
( member( allow_ampersand(true), Controls ) ->
|
||||
AllowAmpersand = true
|
||||
; otherwise ->
|
||||
AllowAmpersand = false
|
||||
).
|
||||
|
||||
context_update( current_namespace, Context0, URI, Context1 ) :-
|
||||
Context0 = context(Element,Preserve,_Current,Default,Entities,
|
||||
Namespaces,RemoveAttributePrefixes,Amp),
|
||||
Context1 = context(Element,Preserve,URI,Default,Entities,
|
||||
Namespaces,RemoveAttributePrefixes,Amp).
|
||||
context_update( element, Context0, Tag, Context1 ) :-
|
||||
Context0 = context(_Element,Preserve,Current,Default,Entities,
|
||||
Namespaces,RemoveAttributePrefixes,Amp),
|
||||
Context1 = context(tag(Tag),Preserve,Current,Default,Entities,
|
||||
Namespaces,RemoveAttributePrefixes,Amp).
|
||||
context_update( default_namespace, Context0, URI, Context1 ):-
|
||||
Context0 = context(Element,Preserve,Current,_Default,Entities,
|
||||
Namespaces,RemoveAttributePrefixes,Amp),
|
||||
Context1 = context(Element,Preserve,Current,URI,Entities,
|
||||
Namespaces,RemoveAttributePrefixes,Amp).
|
||||
context_update( space_preserve, Context0, Boolean, Context1 ):-
|
||||
Context0 = context(Element,_Preserve,Current,Default,Entities,
|
||||
Namespaces,RemoveAttributePrefixes,Amp),
|
||||
Context1 = context(Element,Boolean,Current,Default,Entities,
|
||||
Namespaces,RemoveAttributePrefixes,Amp).
|
||||
context_update( ns_prefix(Prefix), Context0, URI, Context1 ) :-
|
||||
Context0 = context(Element,Preserve,Current,Default,Entities,
|
||||
Namespaces0,RemoveAttributePrefixes,Amp),
|
||||
Context1 = context(Element,Preserve,Current,Default,Entities,
|
||||
Namespaces1,RemoveAttributePrefixes,Amp),
|
||||
map_store( Namespaces0, Prefix, URI, Namespaces1 ).
|
||||
context_update( entity(Name), Context0, String, Context1 ) :-
|
||||
Context0 = context(Element,Preserve,Current,Default,Entities0,
|
||||
Namespaces,RemoveAttributePrefixes,Amp),
|
||||
Context1 = context(Element,Preserve,Current,Default,Entities1,
|
||||
Namespaces,RemoveAttributePrefixes,Amp),
|
||||
map_store( Entities0, Name, String, Entities1 ).
|
||||
|
||||
remove_attribute_prefixes( Context ) :-
|
||||
Context = context(_Element,_Preserve,_Current,_Default,_Entities,
|
||||
_Namespaces,true,_Amp).
|
||||
|
||||
current_tag( Context, Tag ) :-
|
||||
Context = context(tag(Tag),_Preserve,_Current,_Default,_Entities,
|
||||
_Namespaces,_RPFA,_Amp).
|
||||
|
||||
current_namespace( Context, Current ) :-
|
||||
Context = context(_Element,_Preserve,Current,_Default,_Entities,
|
||||
_Namespaces,_RPFA,_Amp).
|
||||
|
||||
default_namespace( Context, Default ) :-
|
||||
Context = context(_Element,_Preserve,_Current,Default,_Entities,
|
||||
_Namespaces,_RPFA,_Amp).
|
||||
|
||||
space_preserve( Context ) :-
|
||||
Context = context(tag(_Tag),true,_Current,_Default,_Entities,
|
||||
_Namespaces,_RPFA,_Amp).
|
||||
|
||||
specific_namespace( Prefix, Context, URI ) :-
|
||||
Context = context(_Element,_Preserve,_Current,_Default,_Entities,
|
||||
Namespaces,_RPFA,_Amp),
|
||||
map_member( Prefix, Namespaces, URI ).
|
||||
|
||||
defined_entity( Reference, Context, String ) :-
|
||||
Context = context(_Element,_Preserve,_Current,_Default,Entities,
|
||||
_Namespaces,_RPFA,_Amp),
|
||||
map_member( Reference, Entities, String ).
|
||||
|
||||
close_context( Context, Terms, WellFormed ) :-
|
||||
Context = context(Element,_Preserve,_Current,_Default,_Entities,
|
||||
_Namespaces,_RPFA,_Amp),
|
||||
close_context1( Element, Terms, WellFormed ).
|
||||
|
||||
close_context1( void, [], true ).
|
||||
close_context1( tag(TagChars), [out_of_context(Tag)], false ) :-
|
||||
atom_chars( Tag, TagChars ).
|
||||
|
||||
void_context(
|
||||
context(void,_Preserve,_Current,_Default,_Entities,_Names,_RPFA,_Amp)
|
||||
).
|
||||
|
||||
allow_ampersand(
|
||||
context(_Void,_Preserve,_Current,_Default,_Entities,_Names,_RPFA,true)
|
||||
).
|
||||
|
||||
/* pp_string( +String ) prints String onto the current output stream.
|
||||
* If String contains only 7-bit chars it is printed in shorthand quoted
|
||||
* format, otherwise it is written as a list.
|
||||
* If your Prolog uses " to delimit a special string type, just use write/1.
|
||||
*/
|
||||
pp_string( Chars ) :-
|
||||
( member( Char, Chars ),
|
||||
not_shorthand( Char ) ->
|
||||
write( Chars )
|
||||
; otherwise ->
|
||||
put_quote,
|
||||
pp_string1( Chars ),
|
||||
put_quote
|
||||
).
|
||||
|
||||
not_shorthand( Char ) :-
|
||||
Char > 255.
|
||||
not_shorthand( Char ) :-
|
||||
Char < 9.
|
||||
not_shorthand( 126 ). % ~ gives syntax errors in LPA Prolog
|
||||
|
||||
put_quote :-
|
||||
put( 0'" ). % '
|
||||
|
||||
pp_string1( [] ).
|
||||
pp_string1( [Char|Chars] ) :-
|
||||
( Char =:= """" -> % Meta-quote
|
||||
put( Char ),
|
||||
put( Char ),
|
||||
pp_string1( Chars )
|
||||
; Char =:= 13, % Handle Windows border-settings
|
||||
Chars = [10|Chars1] ->
|
||||
put( 10 ),
|
||||
pp_string1( Chars1 )
|
||||
; otherwise ->
|
||||
put( Char ),
|
||||
pp_string1( Chars )
|
||||
).
|
||||
|
||||
xml_declaration_attributes_valid( [] ).
|
||||
xml_declaration_attributes_valid( [Name=Value|Attributes] ) :-
|
||||
xml_declaration_attribute_valid( Name, Value ),
|
||||
xml_declaration_attributes_valid( Attributes ).
|
||||
|
||||
xml_declaration_attribute_valid( Name, Value ) :-
|
||||
lowercase( Value, Lowercase ),
|
||||
canonical_xml_declaration_attribute( Name, Lowercase ).
|
||||
|
||||
canonical_xml_declaration_attribute( version, "1.0" ).
|
||||
canonical_xml_declaration_attribute( standalone, "yes" ).
|
||||
canonical_xml_declaration_attribute( standalone, "no" ).
|
||||
% The encodings here are all valid for the output produced.
|
||||
canonical_xml_declaration_attribute( encoding, "utf-8" ).
|
||||
% canonical_xml_declaration_attribute( encoding, "utf-16" ).
|
||||
% This is erroneous for the output of this library
|
||||
canonical_xml_declaration_attribute( encoding, "us-ascii" ).
|
||||
canonical_xml_declaration_attribute( encoding, "ascii" ).
|
||||
canonical_xml_declaration_attribute( encoding, "iso-8859-1" ).
|
||||
canonical_xml_declaration_attribute( encoding, "iso-8859-2" ).
|
||||
canonical_xml_declaration_attribute( encoding, "iso-8859-15" ).
|
||||
canonical_xml_declaration_attribute( encoding, "windows-1252" ).
|
||||
% In general, it's better not to specify an encoding.
|
||||
|
||||
/* lowercase( +MixedCase, ?Lowercase ) holds when Lowercase and MixedCase are
|
||||
* lists of character codes, and Lowercase is identical to MixedCase with
|
||||
* every uppercase character replaced by its lowercase equivalent.
|
||||
*/
|
||||
lowercase( [], [] ).
|
||||
lowercase( [Char|Chars], [Lower|LowerCase] ) :-
|
||||
( Char >= "A", Char =< "Z" ->
|
||||
Lower is Char + "a" - "A"
|
||||
; otherwise ->
|
||||
Lower = Char
|
||||
),
|
||||
lowercase( Chars, LowerCase ).
|
||||
|
||||
extended_character_entities( [
|
||||
"AElig"-[198], % latin capital letter AE
|
||||
"Aacute"-[193], % latin capital letter A with acute,
|
||||
"Acirc"-[194], % latin capital letter A with circumflex,
|
||||
"Agrave"-[192], % latin capital letter A with grave
|
||||
"Alpha"-[913], % greek capital letter alpha, U+0391
|
||||
"Aring"-[197], % latin capital letter A with ring above
|
||||
"Atilde"-[195], % latin capital letter A with tilde,
|
||||
"Auml"-[196], % latin capital letter A with diaeresis,
|
||||
"Beta"-[914], % greek capital letter beta, U+0392
|
||||
"Ccedil"-[199], % latin capital letter C with cedilla,
|
||||
"Chi"-[935], % greek capital letter chi, U+03A7
|
||||
"Dagger"-[8225], % double dagger, U+2021 ISOpub
|
||||
"Delta"-[916], % greek capital letter delta,
|
||||
"ETH"-[208], % latin capital letter ETH, U+00D0 ISOlat1>
|
||||
"Eacute"-[201], % latin capital letter E with acute,
|
||||
"Ecirc"-[202], % latin capital letter E with circumflex,
|
||||
"Egrave"-[200], % latin capital letter E with grave,
|
||||
"Epsilon"-[917], % greek capital letter epsilon, U+0395
|
||||
"Eta"-[919], % greek capital letter eta, U+0397
|
||||
"Euml"-[203], % latin capital letter E with diaeresis,
|
||||
"Gamma"-[915], % greek capital letter gamma,
|
||||
"Iacute"-[205], % latin capital letter I with acute,
|
||||
"Icirc"-[206], % latin capital letter I with circumflex,
|
||||
"Igrave"-[204], % latin capital letter I with grave,
|
||||
"Iota"-[921], % greek capital letter iota, U+0399
|
||||
"Iuml"-[207], % latin capital letter I with diaeresis,
|
||||
"Kappa"-[922], % greek capital letter kappa, U+039A
|
||||
"Lambda"-[923], % greek capital letter lambda,
|
||||
"Mu"-[924], % greek capital letter mu, U+039C
|
||||
"Ntilde"-[209], % latin capital letter N with tilde,
|
||||
"Nu"-[925], % greek capital letter nu, U+039D
|
||||
"OElig"-[338], % latin capital ligature OE,
|
||||
"Oacute"-[211], % latin capital letter O with acute,
|
||||
"Ocirc"-[212], % latin capital letter O with circumflex,
|
||||
"Ograve"-[210], % latin capital letter O with grave,
|
||||
"Omega"-[937], % greek capital letter omega,
|
||||
"Omicron"-[927], % greek capital letter omicron, U+039F
|
||||
"Oslash"-[216], % latin capital letter O with stroke
|
||||
"Otilde"-[213], % latin capital letter O with tilde,
|
||||
"Ouml"-[214], % latin capital letter O with diaeresis,
|
||||
"Phi"-[934], % greek capital letter phi,
|
||||
"Pi"-[928], % greek capital letter pi, U+03A0 ISOgrk3
|
||||
"Prime"-[8243], % double prime = seconds = inches,
|
||||
"Psi"-[936], % greek capital letter psi,
|
||||
"Rho"-[929], % greek capital letter rho, U+03A1
|
||||
"Scaron"-[352], % latin capital letter S with caron,
|
||||
"Sigma"-[931], % greek capital letter sigma,
|
||||
"THORN"-[222], % latin capital letter THORN,
|
||||
"Tau"-[932], % greek capital letter tau, U+03A4
|
||||
"Theta"-[920], % greek capital letter theta,
|
||||
"Uacute"-[218], % latin capital letter U with acute,
|
||||
"Ucirc"-[219], % latin capital letter U with circumflex,
|
||||
"Ugrave"-[217], % latin capital letter U with grave,
|
||||
"Upsilon"-[933], % greek capital letter upsilon,
|
||||
"Uuml"-[220], % latin capital letter U with diaeresis,
|
||||
"Xi"-[926], % greek capital letter xi, U+039E ISOgrk3
|
||||
"Yacute"-[221], % latin capital letter Y with acute,
|
||||
"Yuml"-[376], % latin capital letter Y with diaeresis,
|
||||
"Zeta"-[918], % greek capital letter zeta, U+0396
|
||||
"aacute"-[225], % latin small letter a with acute,
|
||||
"acirc"-[226], % latin small letter a with circumflex,
|
||||
"acute"-[180], % acute accent = spacing acute,
|
||||
"aelig"-[230], % latin small letter ae
|
||||
"agrave"-[224], % latin small letter a with grave
|
||||
"alefsym"-[8501], % alef symbol = first transfinite cardinal,
|
||||
"alpha"-[945], % greek small letter alpha,
|
||||
"and"-[8743], % logical and = wedge, U+2227 ISOtech
|
||||
"ang"-[8736], % angle, U+2220 ISOamso
|
||||
"aring"-[229], % latin small letter a with ring above
|
||||
"asymp"-[8776], % almost equal to = asymptotic to,
|
||||
"atilde"-[227], % latin small letter a with tilde,
|
||||
"auml"-[228], % latin small letter a with diaeresis,
|
||||
"bdquo"-[8222], % double low-9 quotation mark, U+201E NEW
|
||||
"beta"-[946], % greek small letter beta, U+03B2 ISOgrk3
|
||||
"brvbar"-[166], % broken bar = broken vertical bar,
|
||||
"bull"-[8226], % bullet = black small circle,
|
||||
"cap"-[8745], % intersection = cap, U+2229 ISOtech
|
||||
"ccedil"-[231], % latin small letter c with cedilla,
|
||||
"cedil"-[184], % cedilla = spacing cedilla, U+00B8 ISOdia>
|
||||
"cent"-[162], % cent sign, U+00A2 ISOnum>
|
||||
"chi"-[967], % greek small letter chi, U+03C7 ISOgrk3
|
||||
"circ"-[710], % modifier letter circumflex accent,
|
||||
"clubs"-[9827], % black club suit = shamrock,
|
||||
"cong"-[8773], % approximately equal to, U+2245 ISOtech
|
||||
"copy"-[169], % copyright sign, U+00A9 ISOnum>
|
||||
"crarr"-[8629], % downwards arrow with corner leftwards
|
||||
"cup"-[8746], % union = cup, U+222A ISOtech
|
||||
"curren"-[164], % currency sign, U+00A4 ISOnum>
|
||||
"dArr"-[8659], % downwards double arrow, U+21D3 ISOamsa
|
||||
"dagger"-[8224], % dagger, U+2020 ISOpub
|
||||
"darr"-[8595], % downwards arrow, U+2193 ISOnum
|
||||
"deg"-[176], % degree sign, U+00B0 ISOnum>
|
||||
"delta"-[948], % greek small letter delta,
|
||||
"diams"-[9830], % black diamond suit, U+2666 ISOpub
|
||||
"divide"-[247], % division sign, U+00F7 ISOnum>
|
||||
"eacute"-[233], % latin small letter e with acute,
|
||||
"ecirc"-[234], % latin small letter e with circumflex,
|
||||
"egrave"-[232], % latin small letter e with grave,
|
||||
"empty"-[8709], % empty set = null set = diameter,
|
||||
"emsp"-[8195], % em space, U+2003 ISOpub
|
||||
"ensp"-[8194], % en space, U+2002 ISOpub
|
||||
"epsilon"-[949], % greek small letter epsilon,
|
||||
"equiv"-[8801], % identical to, U+2261 ISOtech
|
||||
"eta"-[951], % greek small letter eta, U+03B7 ISOgrk3
|
||||
"eth"-[240], % latin small letter eth, U+00F0 ISOlat1>
|
||||
"euml"-[235], % latin small letter e with diaeresis,
|
||||
"euro"-[8364], % euro sign, U+20AC NEW
|
||||
"exist"-[8707], % there exists, U+2203 ISOtech
|
||||
"fnof"-[402], % latin small f with hook = function
|
||||
"forall"-[8704], % for all, U+2200 ISOtech
|
||||
"frac12"-[189], % vulgar fraction one half
|
||||
"frac14"-[188], % vulgar fraction one quarter
|
||||
"frac34"-[190], % vulgar fraction three quarters
|
||||
"frasl"-[8260], % fraction slash, U+2044 NEW
|
||||
"gamma"-[947], % greek small letter gamma,
|
||||
"ge"-[8805], % greater-than or equal to,
|
||||
"hArr"-[8660], % left right double arrow,
|
||||
"harr"-[8596], % left right arrow, U+2194 ISOamsa
|
||||
"hearts"-[9829], % black heart suit = valentine,
|
||||
"hellip"-[8230], % horizontal ellipsis = three dot leader,
|
||||
"iacute"-[237], % latin small letter i with acute,
|
||||
"icirc"-[238], % latin small letter i with circumflex,
|
||||
"iexcl"-[161], % inverted exclamation mark, U+00A1 ISOnum>
|
||||
"igrave"-[236], % latin small letter i with grave,
|
||||
"image"-[8465], % blackletter capital I = imaginary part,
|
||||
"infin"-[8734], % infinity, U+221E ISOtech
|
||||
"int"-[8747], % integral, U+222B ISOtech
|
||||
"iota"-[953], % greek small letter iota, U+03B9 ISOgrk3
|
||||
"iquest"-[191], % inverted question mark
|
||||
"isin"-[8712], % element of, U+2208 ISOtech
|
||||
"iuml"-[239], % latin small letter i with diaeresis,
|
||||
"kappa"-[954], % greek small letter kappa,
|
||||
"lArr"-[8656], % leftwards double arrow, U+21D0 ISOtech
|
||||
"lambda"-[955], % greek small letter lambda,
|
||||
"lang"-[9001], % left-pointing angle bracket = bra,
|
||||
"laquo"-[171], % left-pointing double angle quotation mark
|
||||
"larr"-[8592], % leftwards arrow, U+2190 ISOnum
|
||||
"lceil"-[8968], % left ceiling = apl upstile,
|
||||
"ldquo"-[8220], % left double quotation mark,
|
||||
"le"-[8804], % less-than or equal to, U+2264 ISOtech
|
||||
"lfloor"-[8970], % left floor = apl downstile,
|
||||
"lowast"-[8727], % asterisk operator, U+2217 ISOtech
|
||||
"loz"-[9674], % lozenge, U+25CA ISOpub
|
||||
"lrm"-[8206], % left-to-right mark, U+200E NEW RFC 2070
|
||||
"lsaquo"-[8249], % single left-pointing angle quotation mark,
|
||||
"lsquo"-[8216], % left single quotation mark,
|
||||
"macr"-[175], % macron = spacing macron = overline
|
||||
"mdash"-[8212], % em dash, U+2014 ISOpub
|
||||
"micro"-[181], % micro sign, U+00B5 ISOnum>
|
||||
"middot"-[183], % middle dot = Georgian comma
|
||||
"minus"-[8722], % minus sign, U+2212 ISOtech
|
||||
"mu"-[956], % greek small letter mu, U+03BC ISOgrk3
|
||||
"nabla"-[8711], % nabla = backward difference,
|
||||
"nbsp"-[160], % no-break space = non-breaking space,
|
||||
"ndash"-[8211], % en dash, U+2013 ISOpub
|
||||
"ne"-[8800], % not equal to, U+2260 ISOtech
|
||||
"ni"-[8715], % contains as member, U+220B ISOtech
|
||||
"not"-[172], % not sign, U+00AC ISOnum>
|
||||
"notin"-[8713], % not an element of, U+2209 ISOtech
|
||||
"nsub"-[8836], % not a subset of, U+2284 ISOamsn
|
||||
"ntilde"-[241], % latin small letter n with tilde,
|
||||
"nu"-[957], % greek small letter nu, U+03BD ISOgrk3
|
||||
"oacute"-[243], % latin small letter o with acute,
|
||||
"ocirc"-[244], % latin small letter o with circumflex,
|
||||
"oelig"-[339], % latin small ligature oe, U+0153 ISOlat2
|
||||
"ograve"-[242], % latin small letter o with grave,
|
||||
"oline"-[8254], % overline = spacing overscore,
|
||||
"omega"-[969], % greek small letter omega,
|
||||
"omicron"-[959], % greek small letter omicron, U+03BF NEW
|
||||
"oplus"-[8853], % circled plus = direct sum,
|
||||
"or"-[8744], % logical or = vee, U+2228 ISOtech
|
||||
"ordf"-[170], % feminine ordinal indicator, U+00AA ISOnum>
|
||||
"ordm"-[186], % masculine ordinal indicator,
|
||||
"oslash"-[248], % latin small letter o with stroke,
|
||||
"otilde"-[245], % latin small letter o with tilde,
|
||||
"otimes"-[8855], % circled times = vector product,
|
||||
"ouml"-[246], % latin small letter o with diaeresis,
|
||||
"para"-[182], % pilcrow sign = paragraph sign,
|
||||
"part"-[8706], % partial differential, U+2202 ISOtech
|
||||
"permil"-[8240], % per mille sign, U+2030 ISOtech
|
||||
"perp"-[8869], % up tack = orthogonal to = perpendicular,
|
||||
"phi"-[966], % greek small letter phi, U+03C6 ISOgrk3
|
||||
"pi"-[960], % greek small letter pi, U+03C0 ISOgrk3
|
||||
"piv"-[982], % greek pi symbol, U+03D6 ISOgrk3
|
||||
"plusmn"-[177], % plus-minus sign = plus-or-minus sign,
|
||||
"pound"-[163], % pound sign, U+00A3 ISOnum>
|
||||
"prime"-[8242], % prime = minutes = feet, U+2032 ISOtech
|
||||
"prod"-[8719], % n-ary product = product sign,
|
||||
"prop"-[8733], % proportional to, U+221D ISOtech
|
||||
"psi"-[968], % greek small letter psi, U+03C8 ISOgrk3
|
||||
"rArr"-[8658], % rightwards double arrow,
|
||||
"radic"-[8730], % square root = radical sign,
|
||||
"rang"-[9002], % right-pointing angle bracket = ket,
|
||||
"raquo"-[187], % right-pointing double angle quotation mark
|
||||
"rarr"-[8594], % rightwards arrow, U+2192 ISOnum
|
||||
"rceil"-[8969], % right ceiling, U+2309 ISOamsc
|
||||
"rdquo"-[8221], % right double quotation mark,
|
||||
"real"-[8476], % blackletter capital R = real part symbol,
|
||||
"reg"-[174], % registered sign = registered trade mark sign,
|
||||
"rfloor"-[8971], % right floor, U+230B ISOamsc
|
||||
"rho"-[961], % greek small letter rho, U+03C1 ISOgrk3
|
||||
"rlm"-[8207], % right-to-left mark, U+200F NEW RFC 2070
|
||||
"rsaquo"-[8250], % single right-pointing angle quotation mark,
|
||||
"rsquo"-[8217], % right single quotation mark,
|
||||
"sbquo"-[8218], % single low-9 quotation mark, U+201A NEW
|
||||
"scaron"-[353], % latin small letter s with caron,
|
||||
"sdot"-[8901], % dot operator, U+22C5 ISOamsb
|
||||
"sect"-[167], % section sign, U+00A7 ISOnum>
|
||||
"shy"-[173], % soft hyphen = discretionary hyphen,
|
||||
"sigma"-[963], % greek small letter sigma,
|
||||
"sigmaf"-[962], % greek small letter final sigma,
|
||||
"sim"-[8764], % tilde operator = varies with = similar to,
|
||||
"spades"-[9824], % black spade suit, U+2660 ISOpub
|
||||
"sub"-[8834], % subset of, U+2282 ISOtech
|
||||
"sube"-[8838], % subset of or equal to, U+2286 ISOtech
|
||||
"sum"-[8721], % n-ary sumation, U+2211 ISOamsb
|
||||
"sup"-[8835], % superset of, U+2283 ISOtech
|
||||
"sup1"-[185], % superscript one = superscript digit one,
|
||||
"sup2"-[178], % superscript two = superscript digit two
|
||||
"sup3"-[179], % superscript three = superscript digit three
|
||||
"supe"-[8839], % superset of or equal to,
|
||||
"szlig"-[223], % latin small letter sharp s = ess-zed,
|
||||
"tau"-[964], % greek small letter tau, U+03C4 ISOgrk3
|
||||
"there4"-[8756], % therefore, U+2234 ISOtech
|
||||
"theta"-[952], % greek small letter theta,
|
||||
"thetasym"-[977], % greek small letter theta symbol,
|
||||
"thinsp"-[8201], % thin space, U+2009 ISOpub
|
||||
"thorn"-[254], % latin small letter thorn with,
|
||||
"tilde"-[732], % small tilde, U+02DC ISOdia
|
||||
"times"-[215], % multiplication sign, U+00D7 ISOnum>
|
||||
"trade"-[8482], % trade mark sign, U+2122 ISOnum
|
||||
"uArr"-[8657], % upwards double arrow, U+21D1 ISOamsa
|
||||
"uacute"-[250], % latin small letter u with acute,
|
||||
"uarr"-[8593], % upwards arrow, U+2191 ISOnum
|
||||
"ucirc"-[251], % latin small letter u with circumflex,
|
||||
"ugrave"-[249], % latin small letter u with grave,
|
||||
"uml"-[168], % diaeresis = spacing diaeresis,
|
||||
"upsih"-[978], % greek upsilon with hook symbol,
|
||||
"upsilon"-[965], % greek small letter upsilon,
|
||||
"uuml"-[252], % latin small letter u with diaeresis,
|
||||
"weierp"-[8472], % script capital P = power set
|
||||
"xi"-[958], % greek small letter xi, U+03BE ISOgrk3
|
||||
"yacute"-[253], % latin small letter y with acute,
|
||||
"yen"-[165], % yen sign = yuan sign, U+00A5 ISOnum>
|
||||
"yuml"-[255], % latin small letter y with diaeresis,
|
||||
"zeta"-[950], % greek small letter zeta, U+03B6 ISOgrk3
|
||||
"zwj"-[8205], % zero width joiner, U+200D NEW RFC 2070
|
||||
"zwnj"-[8204] % zero width non-joiner,
|
||||
] ).
|
||||
|
||||
/* chars( ?Chars, ?Plus, ?Minus ) used as chars( ?Chars ) in a DCG to
|
||||
* copy the list Chars inline.
|
||||
*
|
||||
* This is best expressed in terms of append/3 where append/3 is built-in.
|
||||
* For other Prologs, a straightforward specification can be used:
|
||||
*
|
||||
* chars( [] ) --> "".
|
||||
* chars( [Char|Chars] ) -->
|
||||
* [Char],
|
||||
* chars( Chars ).
|
||||
*/
|
||||
|
||||
chars( Chars, Plus, Minus ) :-
|
||||
append( Chars, Minus, Plus ).
|
||||
|
||||
Reference in New Issue