317 lines
11 KiB
C
317 lines
11 KiB
C
/* Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd
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See the file COPYING for copying permission.
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*/
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#ifndef XmlTok_INCLUDED
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#define XmlTok_INCLUDED 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* The following token may be returned by XmlContentTok */
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#define XML_TOK_TRAILING_RSQB -5 /* ] or ]] at the end of the scan; might be
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start of illegal ]]> sequence */
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/* The following tokens may be returned by both XmlPrologTok and
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XmlContentTok.
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*/
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#define XML_TOK_NONE -4 /* The string to be scanned is empty */
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#define XML_TOK_TRAILING_CR -3 /* A CR at the end of the scan;
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might be part of CRLF sequence */
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#define XML_TOK_PARTIAL_CHAR -2 /* only part of a multibyte sequence */
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#define XML_TOK_PARTIAL -1 /* only part of a token */
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#define XML_TOK_INVALID 0
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/* The following tokens are returned by XmlContentTok; some are also
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returned by XmlAttributeValueTok, XmlEntityTok, XmlCdataSectionTok.
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*/
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#define XML_TOK_START_TAG_WITH_ATTS 1
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#define XML_TOK_START_TAG_NO_ATTS 2
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#define XML_TOK_EMPTY_ELEMENT_WITH_ATTS 3 /* empty element tag <e/> */
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#define XML_TOK_EMPTY_ELEMENT_NO_ATTS 4
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#define XML_TOK_END_TAG 5
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#define XML_TOK_DATA_CHARS 6
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#define XML_TOK_DATA_NEWLINE 7
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#define XML_TOK_CDATA_SECT_OPEN 8
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#define XML_TOK_ENTITY_REF 9
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#define XML_TOK_CHAR_REF 10 /* numeric character reference */
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/* The following tokens may be returned by both XmlPrologTok and
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XmlContentTok.
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*/
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#define XML_TOK_PI 11 /* processing instruction */
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#define XML_TOK_XML_DECL 12 /* XML decl or text decl */
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#define XML_TOK_COMMENT 13
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#define XML_TOK_BOM 14 /* Byte order mark */
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/* The following tokens are returned only by XmlPrologTok */
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#define XML_TOK_PROLOG_S 15
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#define XML_TOK_DECL_OPEN 16 /* <!foo */
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#define XML_TOK_DECL_CLOSE 17 /* > */
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#define XML_TOK_NAME 18
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#define XML_TOK_NMTOKEN 19
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#define XML_TOK_POUND_NAME 20 /* #name */
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#define XML_TOK_OR 21 /* | */
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#define XML_TOK_PERCENT 22
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#define XML_TOK_OPEN_PAREN 23
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#define XML_TOK_CLOSE_PAREN 24
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#define XML_TOK_OPEN_BRACKET 25
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#define XML_TOK_CLOSE_BRACKET 26
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#define XML_TOK_LITERAL 27
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#define XML_TOK_PARAM_ENTITY_REF 28
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#define XML_TOK_INSTANCE_START 29
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/* The following occur only in element type declarations */
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#define XML_TOK_NAME_QUESTION 30 /* name? */
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#define XML_TOK_NAME_ASTERISK 31 /* name* */
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#define XML_TOK_NAME_PLUS 32 /* name+ */
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#define XML_TOK_COND_SECT_OPEN 33 /* <![ */
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#define XML_TOK_COND_SECT_CLOSE 34 /* ]]> */
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#define XML_TOK_CLOSE_PAREN_QUESTION 35 /* )? */
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#define XML_TOK_CLOSE_PAREN_ASTERISK 36 /* )* */
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#define XML_TOK_CLOSE_PAREN_PLUS 37 /* )+ */
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#define XML_TOK_COMMA 38
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/* The following token is returned only by XmlAttributeValueTok */
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#define XML_TOK_ATTRIBUTE_VALUE_S 39
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/* The following token is returned only by XmlCdataSectionTok */
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#define XML_TOK_CDATA_SECT_CLOSE 40
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/* With namespace processing this is returned by XmlPrologTok for a
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name with a colon.
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*/
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#define XML_TOK_PREFIXED_NAME 41
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#ifdef XML_DTD
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#define XML_TOK_IGNORE_SECT 42
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#endif /* XML_DTD */
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#ifdef XML_DTD
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#define XML_N_STATES 4
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#else /* not XML_DTD */
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#define XML_N_STATES 3
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#endif /* not XML_DTD */
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#define XML_PROLOG_STATE 0
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#define XML_CONTENT_STATE 1
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#define XML_CDATA_SECTION_STATE 2
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#ifdef XML_DTD
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#define XML_IGNORE_SECTION_STATE 3
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#endif /* XML_DTD */
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#define XML_N_LITERAL_TYPES 2
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#define XML_ATTRIBUTE_VALUE_LITERAL 0
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#define XML_ENTITY_VALUE_LITERAL 1
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/* The size of the buffer passed to XmlUtf8Encode must be at least this. */
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#define XML_UTF8_ENCODE_MAX 4
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/* The size of the buffer passed to XmlUtf16Encode must be at least this. */
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#define XML_UTF16_ENCODE_MAX 2
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typedef struct position {
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/* first line and first column are 0 not 1 */
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XML_Size lineNumber;
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XML_Size columnNumber;
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} POSITION;
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typedef struct {
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const char *name;
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const char *valuePtr;
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const char *valueEnd;
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char normalized;
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} ATTRIBUTE;
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struct encoding;
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typedef struct encoding ENCODING;
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typedef int (PTRCALL *SCANNER)(const ENCODING *,
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const char *,
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const char *,
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const char **);
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struct encoding {
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SCANNER scanners[XML_N_STATES];
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SCANNER literalScanners[XML_N_LITERAL_TYPES];
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int (PTRCALL *sameName)(const ENCODING *,
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const char *,
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const char *);
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int (PTRCALL *nameMatchesAscii)(const ENCODING *,
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const char *,
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const char *,
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const char *);
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int (PTRFASTCALL *nameLength)(const ENCODING *, const char *);
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const char *(PTRFASTCALL *skipS)(const ENCODING *, const char *);
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int (PTRCALL *getAtts)(const ENCODING *enc,
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const char *ptr,
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int attsMax,
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ATTRIBUTE *atts);
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int (PTRFASTCALL *charRefNumber)(const ENCODING *enc, const char *ptr);
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int (PTRCALL *predefinedEntityName)(const ENCODING *,
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const char *,
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const char *);
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void (PTRCALL *updatePosition)(const ENCODING *,
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const char *ptr,
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const char *end,
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POSITION *);
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int (PTRCALL *isPublicId)(const ENCODING *enc,
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const char *ptr,
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const char *end,
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const char **badPtr);
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void (PTRCALL *utf8Convert)(const ENCODING *enc,
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const char **fromP,
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const char *fromLim,
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char **toP,
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const char *toLim);
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void (PTRCALL *utf16Convert)(const ENCODING *enc,
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const char **fromP,
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const char *fromLim,
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unsigned short **toP,
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const unsigned short *toLim);
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int minBytesPerChar;
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char isUtf8;
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char isUtf16;
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};
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/* Scan the string starting at ptr until the end of the next complete
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token, but do not scan past eptr. Return an integer giving the
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type of token.
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Return XML_TOK_NONE when ptr == eptr; nextTokPtr will not be set.
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Return XML_TOK_PARTIAL when the string does not contain a complete
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token; nextTokPtr will not be set.
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Return XML_TOK_INVALID when the string does not start a valid
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token; nextTokPtr will be set to point to the character which made
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the token invalid.
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Otherwise the string starts with a valid token; nextTokPtr will be
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set to point to the character following the end of that token.
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Each data character counts as a single token, but adjacent data
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characters may be returned together. Similarly for characters in
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the prolog outside literals, comments and processing instructions.
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*/
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#define XmlTok(enc, state, ptr, end, nextTokPtr) \
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(((enc)->scanners[state])(enc, ptr, end, nextTokPtr))
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#define XmlPrologTok(enc, ptr, end, nextTokPtr) \
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XmlTok(enc, XML_PROLOG_STATE, ptr, end, nextTokPtr)
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#define XmlContentTok(enc, ptr, end, nextTokPtr) \
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XmlTok(enc, XML_CONTENT_STATE, ptr, end, nextTokPtr)
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#define XmlCdataSectionTok(enc, ptr, end, nextTokPtr) \
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XmlTok(enc, XML_CDATA_SECTION_STATE, ptr, end, nextTokPtr)
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#ifdef XML_DTD
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#define XmlIgnoreSectionTok(enc, ptr, end, nextTokPtr) \
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XmlTok(enc, XML_IGNORE_SECTION_STATE, ptr, end, nextTokPtr)
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#endif /* XML_DTD */
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/* This is used for performing a 2nd-level tokenization on the content
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of a literal that has already been returned by XmlTok.
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*/
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#define XmlLiteralTok(enc, literalType, ptr, end, nextTokPtr) \
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(((enc)->literalScanners[literalType])(enc, ptr, end, nextTokPtr))
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#define XmlAttributeValueTok(enc, ptr, end, nextTokPtr) \
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XmlLiteralTok(enc, XML_ATTRIBUTE_VALUE_LITERAL, ptr, end, nextTokPtr)
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#define XmlEntityValueTok(enc, ptr, end, nextTokPtr) \
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XmlLiteralTok(enc, XML_ENTITY_VALUE_LITERAL, ptr, end, nextTokPtr)
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#define XmlSameName(enc, ptr1, ptr2) (((enc)->sameName)(enc, ptr1, ptr2))
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#define XmlNameMatchesAscii(enc, ptr1, end1, ptr2) \
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(((enc)->nameMatchesAscii)(enc, ptr1, end1, ptr2))
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#define XmlNameLength(enc, ptr) \
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(((enc)->nameLength)(enc, ptr))
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#define XmlSkipS(enc, ptr) \
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(((enc)->skipS)(enc, ptr))
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#define XmlGetAttributes(enc, ptr, attsMax, atts) \
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(((enc)->getAtts)(enc, ptr, attsMax, atts))
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#define XmlCharRefNumber(enc, ptr) \
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(((enc)->charRefNumber)(enc, ptr))
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#define XmlPredefinedEntityName(enc, ptr, end) \
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(((enc)->predefinedEntityName)(enc, ptr, end))
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#define XmlUpdatePosition(enc, ptr, end, pos) \
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(((enc)->updatePosition)(enc, ptr, end, pos))
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#define XmlIsPublicId(enc, ptr, end, badPtr) \
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(((enc)->isPublicId)(enc, ptr, end, badPtr))
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#define XmlUtf8Convert(enc, fromP, fromLim, toP, toLim) \
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(((enc)->utf8Convert)(enc, fromP, fromLim, toP, toLim))
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#define XmlUtf16Convert(enc, fromP, fromLim, toP, toLim) \
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(((enc)->utf16Convert)(enc, fromP, fromLim, toP, toLim))
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typedef struct {
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ENCODING initEnc;
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const ENCODING **encPtr;
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} INIT_ENCODING;
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int XmlParseXmlDecl(int isGeneralTextEntity,
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const ENCODING *enc,
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const char *ptr,
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const char *end,
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const char **badPtr,
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const char **versionPtr,
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const char **versionEndPtr,
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const char **encodingNamePtr,
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const ENCODING **namedEncodingPtr,
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int *standalonePtr);
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int XmlInitEncoding(INIT_ENCODING *, const ENCODING **, const char *name);
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const ENCODING *XmlGetUtf8InternalEncoding(void);
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const ENCODING *XmlGetUtf16InternalEncoding(void);
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int FASTCALL XmlUtf8Encode(int charNumber, char *buf);
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int FASTCALL XmlUtf16Encode(int charNumber, unsigned short *buf);
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int XmlSizeOfUnknownEncoding(void);
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typedef int (XMLCALL *CONVERTER) (void *userData, const char *p);
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ENCODING *
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XmlInitUnknownEncoding(void *mem,
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int *table,
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CONVERTER convert,
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void *userData);
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int XmlParseXmlDeclNS(int isGeneralTextEntity,
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const ENCODING *enc,
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const char *ptr,
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const char *end,
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const char **badPtr,
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const char **versionPtr,
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const char **versionEndPtr,
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const char **encodingNamePtr,
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const ENCODING **namedEncodingPtr,
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int *standalonePtr);
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int XmlInitEncodingNS(INIT_ENCODING *, const ENCODING **, const char *name);
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const ENCODING *XmlGetUtf8InternalEncodingNS(void);
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const ENCODING *XmlGetUtf16InternalEncodingNS(void);
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ENCODING *
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XmlInitUnknownEncodingNS(void *mem,
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int *table,
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CONVERTER convert,
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void *userData);
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#ifdef __cplusplus
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}
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#endif
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#endif /* not XmlTok_INCLUDED */
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