Experiment with porting SGML to YAP, and trying to preserve SWI code as much

as possible.

packages/sgml/util.h

@@ -0,0 +1,119 @@
+/*  $Id$
+
+    Part of SWI-Prolog
+
+    Author:        Jan Wielemaker
+    E-mail:        jan@swi.psy.uva.nl
+    WWW:           http://www.swi-prolog.org
+    Copyright (C): 1985-2002, University of Amsterdam
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#ifndef DTD_UTIL_H_INCLUDED
+#define DTD_UTIL_H_INCLUDED
+#include "sgmldefs.h"
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <wchar.h>
+
+#ifdef _WINDOWS				/* get size_t */
+#include <malloc.h>
+#endif
+
+typedef struct 
+{ int allocated;
+  int size;
+  ichar *data;
+} icharbuf;
+
+typedef struct 
+{ int allocated;
+  int size;
+  union 
+  { wchar_t *w;				/* UCS */
+  } data;
+  wchar_t localbuf[256];		/* Initial local store */
+} ocharbuf;
+
+size_t		istrlen(const ichar *s);
+ichar *         istrdup(const ichar *s);
+ichar *         istrndup(const ichar *s, int len);
+ichar *		istrcpy(ichar *d, const ichar *s);
+ichar *		istrcat(ichar *d, const ichar *s);
+ichar *		istrncpy(ichar *d, const ichar *s, size_t len);
+ichar *		istrupper(ichar *s);
+ichar *		istrlower(ichar *s);
+int             istrprefix(const ichar *pref, const ichar *s);
+int             istreq(const ichar *s1, const ichar *s2);
+int             istrcaseeq(const ichar *s1, const ichar *s2);
+int		istrncaseeq(const ichar *s1, const ichar *s2, int len);
+int             istrhash(const ichar *t, int tsize);
+int             istrcasehash(const ichar *t, int tsize);
+ichar *		istrchr(const ichar *s, int c);
+int		istrtol(const ichar *s, long *val);
+void *		sgml_malloc(size_t size);
+void *		sgml_calloc(size_t n, size_t size);
+void		sgml_free(void *mem);
+void *		sgml_realloc(void *old, size_t size);
+void		sgml_nomem(void);
+
+#define add_icharbuf(buf, chr) \
+	do { if ( buf->size < buf->allocated && chr < 128 ) \
+	       buf->data[buf->size++] = chr; \
+	     else \
+	       __add_icharbuf(buf, chr); \
+	   } while(0)
+
+icharbuf *	new_icharbuf(void);
+void		free_icharbuf(icharbuf *buf);
+void		__add_icharbuf(icharbuf *buf, int chr);
+void		del_icharbuf(icharbuf *buf);
+void		terminate_icharbuf(icharbuf *buf);
+void		empty_icharbuf(icharbuf *buf);
+
+ocharbuf *	init_ocharbuf(ocharbuf *buf);
+ocharbuf *	new_ocharbuf(void);
+void		free_ocharbuf(ocharbuf *buf);
+ocharbuf *	malloc_ocharbuf(ocharbuf *buf);
+void		add_ocharbuf(ocharbuf *buf, int chr);
+void		del_ocharbuf(ocharbuf *buf);
+void		terminate_ocharbuf(ocharbuf *buf);
+void		empty_ocharbuf(ocharbuf *buf);
+#define fetch_ocharbuf(buf, at) ((wint_t)buf->data.w[at])
+#define poke_ocharbuf(buf, at, chr) \
+	{ buf->data.w[at] = chr; \
+	}
+
+const wchar_t *	str_summary(const wchar_t *s, int len);
+wchar_t *	str2ring(const wchar_t *in);
+void *		ringallo(size_t);
+wchar_t * 	utf8towcs(const char *in);
+char *		wcstoutf8(const wchar_t *in);
+ichar *		load_sgml_file_to_charp(const ichar *file, int normalise_rsre,
+					size_t *len);
+FILE *		wfopen(const wchar_t *name, const char *mode);
+
+void wputs(ichar *s);
+
+#if defined(USE_STRING_FUNCTIONS) && !defined(UTIL_H_IMPLEMENTATION)
+
+#define istrlen(s1)   wcslen((s1))
+#define istreq(s1,s2) (wcscmp((s1),(s2))==0)
+
+#endif
+
+#endif /*DTD_UTIL_H_INCLUDED*/