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yap-6.3/utf8proc/data/data_generator.rb

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2015-09-21 23:05:36 +01:00
#!/usr/bin/env ruby
# This file was used to generate the 'unicode_data.c' file by parsing the
# Unicode data file 'UnicodeData.txt' of the Unicode Character Database.
# It is included for informational purposes only and not intended for
# production use.
# Copyright (c) 2009 Public Software Group e. V., Berlin, Germany
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
# This file contains derived data from a modified version of the
# Unicode data files. The following license applies to that data:
#
# COPYRIGHT AND PERMISSION NOTICE
#
# Copyright (c) 1991-2007 Unicode, Inc. All rights reserved. Distributed
# under the Terms of Use in http://www.unicode.org/copyright.html.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of the Unicode data files and any associated documentation (the "Data
# Files") or Unicode software and any associated documentation (the
# "Software") to deal in the Data Files or Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, and/or sell copies of the Data Files or Software, and
# to permit persons to whom the Data Files or Software are furnished to do
# so, provided that (a) the above copyright notice(s) and this permission
# notice appear with all copies of the Data Files or Software, (b) both the
# above copyright notice(s) and this permission notice appear in associated
# documentation, and (c) there is clear notice in each modified Data File or
# in the Software as well as in the documentation associated with the Data
# File(s) or Software that the data or software has been modified.
#
# THE DATA FILES AND SOFTWARE ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
# THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
# INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
# CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
# USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THE DATA FILES OR SOFTWARE.
#
# Except as contained in this notice, the name of a copyright holder shall
# not be used in advertising or otherwise to promote the sale, use or other
# dealings in these Data Files or Software without prior written
# authorization of the copyright holder.
$ignorable_list = File.read("DerivedCoreProperties.txt")[/# Derived Property: Default_Ignorable_Code_Point.*?# Total code points:/m]
$ignorable = []
$ignorable_list.each_line do |entry|
if entry =~ /^([0-9A-F]+)\.\.([0-9A-F]+)/
$1.hex.upto($2.hex) { |e2| $ignorable << e2 }
elsif entry =~ /^[0-9A-F]+/
$ignorable << $&.hex
end
end
$grapheme_boundclass_list = File.read("GraphemeBreakProperty.txt")
$grapheme_boundclass = Hash.new("UTF8PROC_BOUNDCLASS_OTHER")
$grapheme_boundclass_list.each_line do |entry|
if entry =~ /^([0-9A-F]+)\.\.([0-9A-F]+)\s*;\s*([A-Za-z_]+)/
$1.hex.upto($2.hex) { |e2| $grapheme_boundclass[e2] = "UTF8PROC_BOUNDCLASS_" + $3.upcase }
elsif entry =~ /^([0-9A-F]+)\s*;\s*([A-Za-z_]+)/
$grapheme_boundclass[$1.hex] = "UTF8PROC_BOUNDCLASS_" + $2.upcase
end
end
$charwidth_list = File.read("CharWidths.txt")
$charwidth = Hash.new(0)
$charwidth_list.each_line do |entry|
if entry =~ /^([0-9A-F]+)\.\.([0-9A-F]+)\s*;\s*([0-9]+)/
$1.hex.upto($2.hex) { |e2| $charwidth[e2] = $3.to_i }
elsif entry =~ /^([0-9A-F]+)\s*;\s*([0-9]+)/
$charwidth[$1.hex] = $2.to_i
end
end
$exclusions = File.read("CompositionExclusions.txt")[/# \(1\) Script Specifics.*?# Total code points:/m]
$exclusions = $exclusions.chomp.split("\n").collect { |e| e.hex }
$excl_version = File.read("CompositionExclusions.txt")[/# \(2\) Post Composition Version precomposed characters.*?# Total code points:/m]
$excl_version = $excl_version.chomp.split("\n").collect { |e| e.hex }
$case_folding_string = File.open("CaseFolding.txt", :encoding => 'utf-8').read
$case_folding = {}
$case_folding_string.chomp.split("\n").each do |line|
next unless line =~ /([0-9A-F]+); [CFS]; ([0-9A-F ]+);/i
$case_folding[$1.hex] = $2.split(" ").collect { |e| e.hex }
end
$int_array = []
$int_array_indicies = {}
def str2c(string, prefix)
return "0" if string.nil?
return "UTF8PROC_#{prefix}_#{string.upcase}"
end
def ary2c(array)
return "NULL" if array.nil?
unless $int_array_indicies[array]
$int_array_indicies[array] = $int_array.length
array.each { |entry| $int_array << entry }
$int_array << -1
end
return "utf8proc_sequences + #{$int_array_indicies[array]}"
end
class UnicodeChar
attr_accessor :code, :name, :category, :combining_class, :bidi_class,
:decomp_type, :decomp_mapping,
:bidi_mirrored,
:uppercase_mapping, :lowercase_mapping, :titlecase_mapping
def initialize(line)
raise "Could not parse input." unless line =~ /^
([0-9A-F]+); # code
([^;]+); # name
([A-Z]+); # general category
([0-9]+); # canonical combining class
([A-Z]+); # bidi class
(<([A-Z]*)>)? # decomposition type
((\ ?[0-9A-F]+)*); # decompomposition mapping
([0-9]*); # decimal digit
([0-9]*); # digit
([^;]*); # numeric
([YN]*); # bidi mirrored
([^;]*); # unicode 1.0 name
([^;]*); # iso comment
([0-9A-F]*); # simple uppercase mapping
([0-9A-F]*); # simple lowercase mapping
([0-9A-F]*)$/ix # simple titlecase mapping
@code = $1.hex
@name = $2
@category = $3
@combining_class = Integer($4)
@bidi_class = $5
@decomp_type = $7
@decomp_mapping = ($8=='') ? nil :
$8.split.collect { |element| element.hex }
@bidi_mirrored = ($13=='Y') ? true : false
@uppercase_mapping = ($16=='') ? nil : $16.hex
@lowercase_mapping = ($17=='') ? nil : $17.hex
@titlecase_mapping = ($18=='') ? nil : $18.hex
end
def case_folding
$case_folding[code]
end
def c_entry(comb1_indicies, comb2_indicies)
" " <<
"{#{str2c category, 'CATEGORY'}, #{combining_class}, " <<
"#{str2c bidi_class, 'BIDI_CLASS'}, " <<
"#{str2c decomp_type, 'DECOMP_TYPE'}, " <<
"#{ary2c decomp_mapping}, " <<
"#{ary2c case_folding}, " <<
"#{uppercase_mapping or -1}, " <<
"#{lowercase_mapping or -1}, " <<
"#{titlecase_mapping or -1}, " <<
"#{comb1_indicies[code] ?
(comb1_indicies[code]*comb2_indicies.keys.length) : -1
}, #{comb2_indicies[code] or -1}, " <<
"#{bidi_mirrored}, " <<
"#{$exclusions.include?(code) or $excl_version.include?(code)}, " <<
"#{$ignorable.include?(code)}, " <<
"#{%W[Zl Zp Cc Cf].include?(category) and not [0x200C, 0x200D].include?(category)}, " <<
"#{$grapheme_boundclass[code]}, " <<
"#{$charwidth[code]}},\n"
end
end
chars = []
char_hash = {}
while gets
if $_ =~ /^([0-9A-F]+);<[^;>,]+, First>;/i
first = $1.hex
gets
char = UnicodeChar.new($_)
raise "No last character of sequence found." unless
$_ =~ /^([0-9A-F]+);<([^;>,]+), Last>;/i
last = $1.hex
name = "<#{$2}>"
for i in first..last
char_clone = char.clone
char_clone.code = i
char_clone.name = name
char_hash[char_clone.code] = char_clone
chars << char_clone
end
else
char = UnicodeChar.new($_)
char_hash[char.code] = char
chars << char
end
end
comb1st_indicies = {}
comb2nd_indicies = {}
comb_array = []
chars.each do |char|
if !char.nil? and char.decomp_type.nil? and char.decomp_mapping and
char.decomp_mapping.length == 2 and !char_hash[char.decomp_mapping[0]].nil? and
char_hash[char.decomp_mapping[0]].combining_class == 0 and
not $exclusions.include?(char.code)
unless comb1st_indicies[char.decomp_mapping[0]]
comb1st_indicies[char.decomp_mapping[0]] = comb1st_indicies.keys.length
end
unless comb2nd_indicies[char.decomp_mapping[1]]
comb2nd_indicies[char.decomp_mapping[1]] = comb2nd_indicies.keys.length
end
comb_array[comb1st_indicies[char.decomp_mapping[0]]] ||= []
raise "Duplicate canonical mapping" if
comb_array[comb1st_indicies[char.decomp_mapping[0]]][
comb2nd_indicies[char.decomp_mapping[1]]]
comb_array[comb1st_indicies[char.decomp_mapping[0]]][
comb2nd_indicies[char.decomp_mapping[1]]] = char.code
end
end
properties_indicies = {}
properties = []
chars.each do |char|
c_entry = char.c_entry(comb1st_indicies, comb2nd_indicies)
unless properties_indicies[c_entry]
properties_indicies[c_entry] = properties.length
properties << c_entry
end
end
stage1 = []
stage2 = []
for code in 0...0x110000
next unless code % 0x100 == 0
stage2_entry = []
for code2 in code...(code+0x100)
if char_hash[code2]
stage2_entry << (properties_indicies[char_hash[code2].c_entry(
comb1st_indicies, comb2nd_indicies)] + 1)
else
stage2_entry << 0
end
end
old_index = stage2.index(stage2_entry)
if old_index
stage1 << (old_index * 0x100)
else
stage1 << (stage2.length * 0x100)
stage2 << stage2_entry
end
end
$stdout << "const utf8proc_int32_t utf8proc_sequences[] = {\n "
i = 0
$int_array.each do |entry|
i += 1
if i == 8
i = 0
$stdout << "\n "
end
$stdout << entry << ", "
end
$stdout << "};\n\n"
$stdout << "const utf8proc_uint16_t utf8proc_stage1table[] = {\n "
i = 0
stage1.each do |entry|
i += 1
if i == 8
i = 0
$stdout << "\n "
end
$stdout << entry << ", "
end
$stdout << "};\n\n"
$stdout << "const utf8proc_uint16_t utf8proc_stage2table[] = {\n "
i = 0
stage2.flatten.each do |entry|
i += 1
if i == 8
i = 0
$stdout << "\n "
end
$stdout << entry << ", "
end
$stdout << "};\n\n"
$stdout << "const utf8proc_property_t utf8proc_properties[] = {\n"
$stdout << " {0, 0, 0, 0, NULL, NULL, -1, -1, -1, -1, -1, false,false,false,false, UTF8PROC_BOUNDCLASS_OTHER, 0},\n"
properties.each { |line|
$stdout << line
}
$stdout << "};\n\n"
$stdout << "const utf8proc_int32_t utf8proc_combinations[] = {\n "
i = 0
comb1st_indicies.keys.sort.each_index do |a|
comb2nd_indicies.keys.sort.each_index do |b|
i += 1
if i == 8
i = 0
$stdout << "\n "
end
$stdout << ( comb_array[a][b] or -1 ) << ", "
end
end
$stdout << "};\n\n"