--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mcabber/libjabber/xmltok.h	Sun Mar 27 20:18:21 2005 +0000
@@ -0,0 +1,307 @@
+/*
+The contents of this file are subject to the Mozilla Public License
+Version 1.1 (the "License"); you may not use this file except in
+compliance with the License. You may obtain a copy of the License at
+http://www.mozilla.org/MPL/
+
+Software distributed under the License is distributed on an "AS IS"
+basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
+License for the specific language governing rights and limitations
+under the License.
+
+The Original Code is expat.
+
+The Initial Developer of the Original Code is James Clark.
+Portions created by James Clark are Copyright (C) 1998, 1999
+James Clark. All Rights Reserved.
+
+Contributor(s):
+
+Alternatively, the contents of this file may be used under the terms
+of the GNU General Public License (the "GPL"), in which case the
+provisions of the GPL are applicable instead of those above.  If you
+wish to allow use of your version of this file only under the terms of
+the GPL and not to allow others to use your version of this file under
+the MPL, indicate your decision by deleting the provisions above and
+replace them with the notice and other provisions required by the
+GPL. If you do not delete the provisions above, a recipient may use
+your version of this file under either the MPL or the GPL.
+*/
+
+#ifndef XmlTok_INCLUDED
+#define XmlTok_INCLUDED 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef XMLTOKAPI
+#define XMLTOKAPI /* as nothing */
+#endif
+
+/* The following token may be returned by XmlContentTok */
+#define XML_TOK_TRAILING_RSQB -5 /* ] or ]] at the end of the scan; might be start of
+                                    illegal ]]> sequence */
+/* The following tokens may be returned by both XmlPrologTok and XmlContentTok */
+#define XML_TOK_NONE -4    /* The string to be scanned is empty */
+#define XML_TOK_TRAILING_CR -3 /* A CR at the end of the scan;
+                                  might be part of CRLF sequence */ 
+#define XML_TOK_PARTIAL_CHAR -2 /* only part of a multibyte sequence */
+#define XML_TOK_PARTIAL -1 /* only part of a token */
+#define XML_TOK_INVALID 0
+
+/* The following tokens are returned by XmlContentTok; some are also
+  returned by XmlAttributeValueTok, XmlEntityTok, XmlCdataSectionTok */
+
+#define XML_TOK_START_TAG_WITH_ATTS 1
+#define XML_TOK_START_TAG_NO_ATTS 2
+#define XML_TOK_EMPTY_ELEMENT_WITH_ATTS 3 /* empty element tag <e/> */
+#define XML_TOK_EMPTY_ELEMENT_NO_ATTS 4
+#define XML_TOK_END_TAG 5
+#define XML_TOK_DATA_CHARS 6
+#define XML_TOK_DATA_NEWLINE 7
+#define XML_TOK_CDATA_SECT_OPEN 8
+#define XML_TOK_ENTITY_REF 9
+#define XML_TOK_CHAR_REF 10     /* numeric character reference */
+
+/* The following tokens may be returned by both XmlPrologTok and XmlContentTok */
+#define XML_TOK_PI 11      /* processing instruction */
+#define XML_TOK_XML_DECL 12 /* XML decl or text decl */
+#define XML_TOK_COMMENT 13
+#define XML_TOK_BOM 14     /* Byte order mark */
+
+/* The following tokens are returned only by XmlPrologTok */
+#define XML_TOK_PROLOG_S 15
+#define XML_TOK_DECL_OPEN 16 /* <!foo */
+#define XML_TOK_DECL_CLOSE 17 /* > */
+#define XML_TOK_NAME 18
+#define XML_TOK_NMTOKEN 19
+#define XML_TOK_POUND_NAME 20 /* #name */
+#define XML_TOK_OR 21 /* | */
+#define XML_TOK_PERCENT 22
+#define XML_TOK_OPEN_PAREN 23
+#define XML_TOK_CLOSE_PAREN 24
+#define XML_TOK_OPEN_BRACKET 25
+#define XML_TOK_CLOSE_BRACKET 26
+#define XML_TOK_LITERAL 27
+#define XML_TOK_PARAM_ENTITY_REF 28
+#define XML_TOK_INSTANCE_START 29
+
+/* The following occur only in element type declarations */
+#define XML_TOK_NAME_QUESTION 30 /* name? */
+#define XML_TOK_NAME_ASTERISK 31 /* name* */
+#define XML_TOK_NAME_PLUS 32 /* name+ */
+#define XML_TOK_COND_SECT_OPEN 33 /* <![ */
+#define XML_TOK_COND_SECT_CLOSE 34 /* ]]> */
+#define XML_TOK_CLOSE_PAREN_QUESTION 35 /* )? */
+#define XML_TOK_CLOSE_PAREN_ASTERISK 36 /* )* */
+#define XML_TOK_CLOSE_PAREN_PLUS 37 /* )+ */
+#define XML_TOK_COMMA 38
+
+/* The following token is returned only by XmlAttributeValueTok */
+#define XML_TOK_ATTRIBUTE_VALUE_S 39
+
+/* The following token is returned only by XmlCdataSectionTok */
+#define XML_TOK_CDATA_SECT_CLOSE 40
+
+/* With namespace processing this is returned by XmlPrologTok
+   for a name with a colon. */
+#define XML_TOK_PREFIXED_NAME 41
+
+#define XML_N_STATES 3
+#define XML_PROLOG_STATE 0
+#define XML_CONTENT_STATE 1
+#define XML_CDATA_SECTION_STATE 2
+
+#define XML_N_LITERAL_TYPES 2
+#define XML_ATTRIBUTE_VALUE_LITERAL 0
+#define XML_ENTITY_VALUE_LITERAL 1
+
+/* The size of the buffer passed to XmlUtf8Encode must be at least this. */
+#define XML_UTF8_ENCODE_MAX 4
+/* The size of the buffer passed to XmlUtf16Encode must be at least this. */
+#define XML_UTF16_ENCODE_MAX 2
+
+typedef struct position {
+  /* first line and first column are 0 not 1 */
+  unsigned long lineNumber;
+  unsigned long columnNumber;
+} POSITION;
+
+typedef struct {
+  const char *name;
+  const char *valuePtr;
+  const char *valueEnd;
+  char normalized;
+} ATTRIBUTE;
+
+struct encoding;
+typedef struct encoding ENCODING;
+
+struct encoding {
+  int (*scanners[XML_N_STATES])(const ENCODING *,
+			        const char *,
+			        const char *,
+			        const char **);
+  int (*literalScanners[XML_N_LITERAL_TYPES])(const ENCODING *,
+					      const char *,
+					      const char *,
+					      const char **);
+  int (*sameName)(const ENCODING *,
+	          const char *, const char *);
+  int (*nameMatchesAscii)(const ENCODING *,
+			  const char *, const char *);
+  int (*nameLength)(const ENCODING *, const char *);
+  const char *(*skipS)(const ENCODING *, const char *);
+  int (*getAtts)(const ENCODING *enc, const char *ptr,
+	         int attsMax, ATTRIBUTE *atts);
+  int (*charRefNumber)(const ENCODING *enc, const char *ptr);
+  int (*predefinedEntityName)(const ENCODING *, const char *, const char *);
+  void (*updatePosition)(const ENCODING *,
+			 const char *ptr,
+			 const char *end,
+			 POSITION *);
+  int (*isPublicId)(const ENCODING *enc, const char *ptr, const char *end,
+		    const char **badPtr);
+  void (*utf8Convert)(const ENCODING *enc,
+		      const char **fromP,
+		      const char *fromLim,
+		      char **toP,
+		      const char *toLim);
+  void (*utf16Convert)(const ENCODING *enc,
+		       const char **fromP,
+		       const char *fromLim,
+		       unsigned short **toP,
+		       const unsigned short *toLim);
+  int minBytesPerChar;
+  char isUtf8;
+  char isUtf16;
+};
+
+/*
+Scan the string starting at ptr until the end of the next complete token,
+but do not scan past eptr.  Return an integer giving the type of token.
+
+Return XML_TOK_NONE when ptr == eptr; nextTokPtr will not be set.
+
+Return XML_TOK_PARTIAL when the string does not contain a complete token;
+nextTokPtr will not be set.
+
+Return XML_TOK_INVALID when the string does not start a valid token; nextTokPtr
+will be set to point to the character which made the token invalid.
+
+Otherwise the string starts with a valid token; nextTokPtr will be set to point
+to the character following the end of that token.
+
+Each data character counts as a single token, but adjacent data characters
+may be returned together.  Similarly for characters in the prolog outside
+literals, comments and processing instructions.
+*/
+
+
+#define XmlTok(enc, state, ptr, end, nextTokPtr) \
+  (((enc)->scanners[state])(enc, ptr, end, nextTokPtr))
+
+#define XmlPrologTok(enc, ptr, end, nextTokPtr) \
+   XmlTok(enc, XML_PROLOG_STATE, ptr, end, nextTokPtr)
+
+#define XmlContentTok(enc, ptr, end, nextTokPtr) \
+   XmlTok(enc, XML_CONTENT_STATE, ptr, end, nextTokPtr)
+
+#define XmlCdataSectionTok(enc, ptr, end, nextTokPtr) \
+   XmlTok(enc, XML_CDATA_SECTION_STATE, ptr, end, nextTokPtr)
+
+/* This is used for performing a 2nd-level tokenization on
+the content of a literal that has already been returned by XmlTok. */ 
+
+#define XmlLiteralTok(enc, literalType, ptr, end, nextTokPtr) \
+  (((enc)->literalScanners[literalType])(enc, ptr, end, nextTokPtr))
+
+#define XmlAttributeValueTok(enc, ptr, end, nextTokPtr) \
+   XmlLiteralTok(enc, XML_ATTRIBUTE_VALUE_LITERAL, ptr, end, nextTokPtr)
+
+#define XmlEntityValueTok(enc, ptr, end, nextTokPtr) \
+   XmlLiteralTok(enc, XML_ENTITY_VALUE_LITERAL, ptr, end, nextTokPtr)
+
+#define XmlSameName(enc, ptr1, ptr2) (((enc)->sameName)(enc, ptr1, ptr2))
+
+#define XmlNameMatchesAscii(enc, ptr1, ptr2) \
+  (((enc)->nameMatchesAscii)(enc, ptr1, ptr2))
+
+#define XmlNameLength(enc, ptr) \
+  (((enc)->nameLength)(enc, ptr))
+
+#define XmlSkipS(enc, ptr) \
+  (((enc)->skipS)(enc, ptr))
+
+#define XmlGetAttributes(enc, ptr, attsMax, atts) \
+  (((enc)->getAtts)(enc, ptr, attsMax, atts))
+
+#define XmlCharRefNumber(enc, ptr) \
+  (((enc)->charRefNumber)(enc, ptr))
+
+#define XmlPredefinedEntityName(enc, ptr, end) \
+  (((enc)->predefinedEntityName)(enc, ptr, end))
+
+#define XmlUpdatePosition(enc, ptr, end, pos) \
+  (((enc)->updatePosition)(enc, ptr, end, pos))
+
+#define XmlIsPublicId(enc, ptr, end, badPtr) \
+  (((enc)->isPublicId)(enc, ptr, end, badPtr))
+
+#define XmlUtf8Convert(enc, fromP, fromLim, toP, toLim) \
+  (((enc)->utf8Convert)(enc, fromP, fromLim, toP, toLim))
+
+#define XmlUtf16Convert(enc, fromP, fromLim, toP, toLim) \
+  (((enc)->utf16Convert)(enc, fromP, fromLim, toP, toLim))
+
+typedef struct {
+  ENCODING initEnc;
+  const ENCODING **encPtr;
+} INIT_ENCODING;
+
+int XMLTOKAPI XmlParseXmlDecl(int isGeneralTextEntity,
+			      const ENCODING *enc,
+			      const char *ptr,
+	  		      const char *end,
+			      const char **badPtr,
+			      const char **versionPtr,
+			      const char **encodingNamePtr,
+			      const ENCODING **namedEncodingPtr,
+			      int *standalonePtr);
+
+int XMLTOKAPI XmlInitEncoding(INIT_ENCODING *, const ENCODING **, const char *name);
+const ENCODING XMLTOKAPI *XmlGetUtf8InternalEncoding();
+const ENCODING XMLTOKAPI *XmlGetUtf16InternalEncoding();
+int XMLTOKAPI XmlUtf8Encode(int charNumber, char *buf);
+int XMLTOKAPI XmlUtf16Encode(int charNumber, unsigned short *buf);
+
+int XMLTOKAPI XmlSizeOfUnknownEncoding();
+ENCODING XMLTOKAPI *
+XmlInitUnknownEncoding(void *mem,
+		       int *table,
+		       int (*conv)(void *userData, const char *p),
+		       void *userData);
+
+int XMLTOKAPI XmlParseXmlDeclNS(int isGeneralTextEntity,
+			        const ENCODING *enc,
+			        const char *ptr,
+	  		        const char *end,
+			        const char **badPtr,
+			        const char **versionPtr,
+			        const char **encodingNamePtr,
+			        const ENCODING **namedEncodingPtr,
+			        int *standalonePtr);
+int XMLTOKAPI XmlInitEncodingNS(INIT_ENCODING *, const ENCODING **, const char *name);
+const ENCODING XMLTOKAPI *XmlGetUtf8InternalEncodingNS();
+const ENCODING XMLTOKAPI *XmlGetUtf16InternalEncodingNS();
+ENCODING XMLTOKAPI *
+XmlInitUnknownEncodingNS(void *mem,
+		         int *table,
+		         int (*conv)(void *userData, const char *p),
+		         void *userData);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* not XmlTok_INCLUDED */