/*
_ _ _ _ _
_ _ _ \ \ / / _ _ _ _ _ _ | | _
/ _ \ \ / | ' _ \ / _ ` | _ _ |
| _ _ // \| |_) | (_| | |_
\ _ _ _ / _ / \ _ \ . _ _ / \ _ _ , _ | \ _ _ |
| _ | XML parser
Copyright ( c ) 1997 - 2000 Thai Open Source Software Center Ltd
Copyright ( c ) 2000 Clark Cooper < coopercc @ users . sourceforge . net >
Copyright ( c ) 2002 Fred L . Drake , Jr . < fdrake @ users . sourceforge . net >
Copyright ( c ) 2002 - 2005 Karl Waclawek < karl @ waclawek . net >
Copyright ( c ) 2016 - 2024 Sebastian Pipping < sebastian @ pipping . org >
Copyright ( c ) 2017 Rhodri James < rhodri @ wildebeest . org . uk >
Licensed under the MIT license :
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 .
*/
#ifndef XmlTok_INCLUDED
# define XmlTok_INCLUDED 1
# ifdef __cplusplus
extern "C" {
# 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
# ifdef XML_DTD
# define XML_TOK_IGNORE_SECT 42
# endif /* XML_DTD */
# ifdef XML_DTD
# define XML_N_STATES 4
# else /* not XML_DTD */
# define XML_N_STATES 3
# endif /* not XML_DTD */
# define XML_PROLOG_STATE 0
# define XML_CONTENT_STATE 1
# define XML_CDATA_SECTION_STATE 2
# ifdef XML_DTD
# define XML_IGNORE_SECTION_STATE 3
# endif /* XML_DTD */
# 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 */
XML_Size lineNumber;
XML_Size columnNumber;
} POSITION;
typedef struct {
const char *name;
const char *valuePtr;
const char *valueEnd;
char normalized;
} ATTRIBUTE;
struct encoding;
typedef struct encoding ENCODING;
typedef int (PTRCALL *SCANNER)(const ENCODING *, const char *, const char *,
const char **);
enum XML_Convert_Result {
XML_CONVERT_COMPLETED = 0 ,
XML_CONVERT_INPUT_INCOMPLETE = 1 ,
XML_CONVERT_OUTPUT_EXHAUSTED
= 2 /* and therefore potentially input remaining as well */
};
struct encoding {
SCANNER scanners[XML_N_STATES];
SCANNER literalScanners[XML_N_LITERAL_TYPES];
int (PTRCALL *nameMatchesAscii)(const ENCODING *, const char *, const char *,
const char *);
int (PTRFASTCALL *nameLength)(const ENCODING *, const char *);
const char *(PTRFASTCALL *skipS)(const ENCODING *, const char *);
int (PTRCALL *getAtts)(const ENCODING *enc, const char *ptr, int attsMax,
ATTRIBUTE *atts);
int (PTRFASTCALL *charRefNumber)(const ENCODING *enc, const char *ptr);
int (PTRCALL *predefinedEntityName)(const ENCODING *, const char *,
const char *);
void (PTRCALL *updatePosition)(const ENCODING *, const char *ptr,
const char *end, POSITION *);
int (PTRCALL *isPublicId)(const ENCODING *enc, const char *ptr,
const char *end, const char **badPtr);
enum XML_Convert_Result(PTRCALL *utf8Convert)(const ENCODING *enc,
const char **fromP,
const char *fromLim, char **toP,
const char *toLim);
enum XML_Convert_Result(PTRCALL *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)
# ifdef XML_DTD
# define XmlIgnoreSectionTok(enc, ptr, end, nextTokPtr) \
XmlTok(enc, XML_IGNORE_SECTION_STATE, ptr, end, nextTokPtr)
# endif /* XML_DTD */
/* 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 XmlNameMatchesAscii(enc, ptr1, end1, ptr2) \
(((enc)->nameMatchesAscii)(enc, ptr1, end1, 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 XmlParseXmlDecl(int isGeneralTextEntity, const ENCODING *enc,
const char *ptr, const char *end, const char **badPtr,
const char **versionPtr, const char **versionEndPtr,
const char **encodingNamePtr,
const ENCODING **namedEncodingPtr, int *standalonePtr);
int XmlInitEncoding(INIT_ENCODING *p, const ENCODING **encPtr,
const char *name);
const ENCODING *XmlGetUtf8InternalEncoding(void );
const ENCODING *XmlGetUtf16InternalEncoding(void );
int FASTCALL XmlUtf8Encode(int charNumber, char *buf);
int FASTCALL XmlUtf16Encode(int charNumber, unsigned short *buf);
int XmlSizeOfUnknownEncoding(void );
typedef int (XMLCALL *CONVERTER)(void *userData, const char *p);
ENCODING *XmlInitUnknownEncoding(void *mem, const int *table, CONVERTER convert,
void *userData);
int XmlParseXmlDeclNS(int isGeneralTextEntity, const ENCODING *enc,
const char *ptr, const char *end, const char **badPtr,
const char **versionPtr, const char **versionEndPtr,
const char **encodingNamePtr,
const ENCODING **namedEncodingPtr, int *standalonePtr);
int XmlInitEncodingNS(INIT_ENCODING *p, const ENCODING **encPtr,
const char *name);
const ENCODING *XmlGetUtf8InternalEncodingNS(void );
const ENCODING *XmlGetUtf16InternalEncodingNS(void );
ENCODING *XmlInitUnknownEncodingNS(void *mem, const int *table,
CONVERTER convert, void *userData);
# ifdef __cplusplus
}
# endif
#endif /* not XmlTok_INCLUDED */
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