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author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:44:49 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:44:49 +0300 |
commit | 718c552901d703c502ccbefdfc3c9028d608b947 (patch) | |
tree | 46534a98bbefcd7b1f3faa5b52c138ab27db75b7 /contrib/libs/expat/expat.h | |
parent | e9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (diff) | |
download | ydb-718c552901d703c502ccbefdfc3c9028d608b947.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/expat/expat.h')
-rw-r--r-- | contrib/libs/expat/expat.h | 2036 |
1 files changed, 1018 insertions, 1018 deletions
diff --git a/contrib/libs/expat/expat.h b/contrib/libs/expat/expat.h index 4c5704fd93..f16cf87aff 100644 --- a/contrib/libs/expat/expat.h +++ b/contrib/libs/expat/expat.h @@ -1,12 +1,12 @@ -/* - __ __ _ - ___\ \/ /_ __ __ _| |_ - / _ \\ /| '_ \ / _` | __| - | __// \| |_) | (_| | |_ - \___/_/\_\ .__/ \__,_|\__| - |_| XML parser - - Copyright (c) 1997-2000 Thai Open Source Software Center Ltd +/* + __ __ _ + ___\ \/ /_ __ __ _| |_ + / _ \\ /| '_ \ / _` | __| + | __// \| |_) | (_| | |_ + \___/_/\_\ .__/ \__,_|\__| + |_| XML parser + + Copyright (c) 1997-2000 Thai Open Source Software Center Ltd Copyright (c) 2000 Clark Cooper <coopercc@users.sourceforge.net> Copyright (c) 2000-2005 Fred L. Drake, Jr. <fdrake@users.sourceforge.net> Copyright (c) 2001-2002 Greg Stein <gstein@users.sourceforge.net> @@ -15,1015 +15,1015 @@ Copyright (c) 2016 Cristian RodrÃguez <crrodriguez@opensuse.org> Copyright (c) 2016 Thomas Beutlich <tc@tbeu.de> 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 Expat_INCLUDED -#define Expat_INCLUDED 1 - -#include <stdlib.h> -#include "expat_external.h" - -#ifdef __cplusplus -extern "C" { -#endif - -struct XML_ParserStruct; -typedef struct XML_ParserStruct *XML_Parser; - -typedef unsigned char XML_Bool; -#define XML_TRUE ((XML_Bool)1) -#define XML_FALSE ((XML_Bool)0) - -/* The XML_Status enum gives the possible return values for several - API functions. The preprocessor #defines are included so this - stanza can be added to code that still needs to support older - versions of Expat 1.95.x: - - #ifndef XML_STATUS_OK - #define XML_STATUS_OK 1 - #define XML_STATUS_ERROR 0 - #endif - - Otherwise, the #define hackery is quite ugly and would have been - dropped. -*/ -enum XML_Status { - XML_STATUS_ERROR = 0, -#define XML_STATUS_ERROR XML_STATUS_ERROR - XML_STATUS_OK = 1, -#define XML_STATUS_OK XML_STATUS_OK - XML_STATUS_SUSPENDED = 2 -#define XML_STATUS_SUSPENDED XML_STATUS_SUSPENDED -}; - -enum XML_Error { - XML_ERROR_NONE, - XML_ERROR_NO_MEMORY, - XML_ERROR_SYNTAX, - XML_ERROR_NO_ELEMENTS, - XML_ERROR_INVALID_TOKEN, - XML_ERROR_UNCLOSED_TOKEN, - XML_ERROR_PARTIAL_CHAR, - XML_ERROR_TAG_MISMATCH, - XML_ERROR_DUPLICATE_ATTRIBUTE, - XML_ERROR_JUNK_AFTER_DOC_ELEMENT, - XML_ERROR_PARAM_ENTITY_REF, - XML_ERROR_UNDEFINED_ENTITY, - XML_ERROR_RECURSIVE_ENTITY_REF, - XML_ERROR_ASYNC_ENTITY, - XML_ERROR_BAD_CHAR_REF, - XML_ERROR_BINARY_ENTITY_REF, - XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF, - XML_ERROR_MISPLACED_XML_PI, - XML_ERROR_UNKNOWN_ENCODING, - XML_ERROR_INCORRECT_ENCODING, - XML_ERROR_UNCLOSED_CDATA_SECTION, - XML_ERROR_EXTERNAL_ENTITY_HANDLING, - XML_ERROR_NOT_STANDALONE, - XML_ERROR_UNEXPECTED_STATE, - XML_ERROR_ENTITY_DECLARED_IN_PE, - XML_ERROR_FEATURE_REQUIRES_XML_DTD, - XML_ERROR_CANT_CHANGE_FEATURE_ONCE_PARSING, - /* Added in 1.95.7. */ - XML_ERROR_UNBOUND_PREFIX, - /* Added in 1.95.8. */ - XML_ERROR_UNDECLARING_PREFIX, - XML_ERROR_INCOMPLETE_PE, - XML_ERROR_XML_DECL, - XML_ERROR_TEXT_DECL, - XML_ERROR_PUBLICID, - XML_ERROR_SUSPENDED, - XML_ERROR_NOT_SUSPENDED, - XML_ERROR_ABORTED, - XML_ERROR_FINISHED, - XML_ERROR_SUSPEND_PE, - /* Added in 2.0. */ - XML_ERROR_RESERVED_PREFIX_XML, - XML_ERROR_RESERVED_PREFIX_XMLNS, - XML_ERROR_RESERVED_NAMESPACE_URI, - /* Added in 2.2.1. */ + 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 Expat_INCLUDED +#define Expat_INCLUDED 1 + +#include <stdlib.h> +#include "expat_external.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct XML_ParserStruct; +typedef struct XML_ParserStruct *XML_Parser; + +typedef unsigned char XML_Bool; +#define XML_TRUE ((XML_Bool)1) +#define XML_FALSE ((XML_Bool)0) + +/* The XML_Status enum gives the possible return values for several + API functions. The preprocessor #defines are included so this + stanza can be added to code that still needs to support older + versions of Expat 1.95.x: + + #ifndef XML_STATUS_OK + #define XML_STATUS_OK 1 + #define XML_STATUS_ERROR 0 + #endif + + Otherwise, the #define hackery is quite ugly and would have been + dropped. +*/ +enum XML_Status { + XML_STATUS_ERROR = 0, +#define XML_STATUS_ERROR XML_STATUS_ERROR + XML_STATUS_OK = 1, +#define XML_STATUS_OK XML_STATUS_OK + XML_STATUS_SUSPENDED = 2 +#define XML_STATUS_SUSPENDED XML_STATUS_SUSPENDED +}; + +enum XML_Error { + XML_ERROR_NONE, + XML_ERROR_NO_MEMORY, + XML_ERROR_SYNTAX, + XML_ERROR_NO_ELEMENTS, + XML_ERROR_INVALID_TOKEN, + XML_ERROR_UNCLOSED_TOKEN, + XML_ERROR_PARTIAL_CHAR, + XML_ERROR_TAG_MISMATCH, + XML_ERROR_DUPLICATE_ATTRIBUTE, + XML_ERROR_JUNK_AFTER_DOC_ELEMENT, + XML_ERROR_PARAM_ENTITY_REF, + XML_ERROR_UNDEFINED_ENTITY, + XML_ERROR_RECURSIVE_ENTITY_REF, + XML_ERROR_ASYNC_ENTITY, + XML_ERROR_BAD_CHAR_REF, + XML_ERROR_BINARY_ENTITY_REF, + XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF, + XML_ERROR_MISPLACED_XML_PI, + XML_ERROR_UNKNOWN_ENCODING, + XML_ERROR_INCORRECT_ENCODING, + XML_ERROR_UNCLOSED_CDATA_SECTION, + XML_ERROR_EXTERNAL_ENTITY_HANDLING, + XML_ERROR_NOT_STANDALONE, + XML_ERROR_UNEXPECTED_STATE, + XML_ERROR_ENTITY_DECLARED_IN_PE, + XML_ERROR_FEATURE_REQUIRES_XML_DTD, + XML_ERROR_CANT_CHANGE_FEATURE_ONCE_PARSING, + /* Added in 1.95.7. */ + XML_ERROR_UNBOUND_PREFIX, + /* Added in 1.95.8. */ + XML_ERROR_UNDECLARING_PREFIX, + XML_ERROR_INCOMPLETE_PE, + XML_ERROR_XML_DECL, + XML_ERROR_TEXT_DECL, + XML_ERROR_PUBLICID, + XML_ERROR_SUSPENDED, + XML_ERROR_NOT_SUSPENDED, + XML_ERROR_ABORTED, + XML_ERROR_FINISHED, + XML_ERROR_SUSPEND_PE, + /* Added in 2.0. */ + XML_ERROR_RESERVED_PREFIX_XML, + XML_ERROR_RESERVED_PREFIX_XMLNS, + XML_ERROR_RESERVED_NAMESPACE_URI, + /* Added in 2.2.1. */ XML_ERROR_INVALID_ARGUMENT, /* Added in 2.3.0. */ XML_ERROR_NO_BUFFER, /* Added in 2.4.0. */ XML_ERROR_AMPLIFICATION_LIMIT_BREACH -}; - -enum XML_Content_Type { - XML_CTYPE_EMPTY = 1, - XML_CTYPE_ANY, - XML_CTYPE_MIXED, - XML_CTYPE_NAME, - XML_CTYPE_CHOICE, - XML_CTYPE_SEQ -}; - -enum XML_Content_Quant { - XML_CQUANT_NONE, - XML_CQUANT_OPT, - XML_CQUANT_REP, - XML_CQUANT_PLUS -}; - -/* If type == XML_CTYPE_EMPTY or XML_CTYPE_ANY, then quant will be - XML_CQUANT_NONE, and the other fields will be zero or NULL. - If type == XML_CTYPE_MIXED, then quant will be NONE or REP and - numchildren will contain number of elements that may be mixed in - and children point to an array of XML_Content cells that will be - all of XML_CTYPE_NAME type with no quantification. - - If type == XML_CTYPE_NAME, then the name points to the name, and - the numchildren field will be zero and children will be NULL. The - quant fields indicates any quantifiers placed on the name. - - CHOICE and SEQ will have name NULL, the number of children in - numchildren and children will point, recursively, to an array - of XML_Content cells. - - The EMPTY, ANY, and MIXED types will only occur at top level. -*/ - -typedef struct XML_cp XML_Content; - -struct XML_cp { - enum XML_Content_Type type; - enum XML_Content_Quant quant; - XML_Char *name; - unsigned int numchildren; - XML_Content *children; -}; - -/* This is called for an element declaration. See above for - description of the model argument. It's the caller's responsibility - to free model when finished with it. -*/ -typedef void(XMLCALL *XML_ElementDeclHandler)(void *userData, - const XML_Char *name, - XML_Content *model); - -XMLPARSEAPI(void) -XML_SetElementDeclHandler(XML_Parser parser, XML_ElementDeclHandler eldecl); - -/* The Attlist declaration handler is called for *each* attribute. So - a single Attlist declaration with multiple attributes declared will - generate multiple calls to this handler. The "default" parameter - may be NULL in the case of the "#IMPLIED" or "#REQUIRED" - keyword. The "isrequired" parameter will be true and the default - value will be NULL in the case of "#REQUIRED". If "isrequired" is - true and default is non-NULL, then this is a "#FIXED" default. -*/ -typedef void(XMLCALL *XML_AttlistDeclHandler)( - void *userData, const XML_Char *elname, const XML_Char *attname, - const XML_Char *att_type, const XML_Char *dflt, int isrequired); - -XMLPARSEAPI(void) -XML_SetAttlistDeclHandler(XML_Parser parser, XML_AttlistDeclHandler attdecl); - -/* The XML declaration handler is called for *both* XML declarations - and text declarations. The way to distinguish is that the version - parameter will be NULL for text declarations. The encoding - parameter may be NULL for XML declarations. The standalone - parameter will be -1, 0, or 1 indicating respectively that there - was no standalone parameter in the declaration, that it was given - as no, or that it was given as yes. -*/ -typedef void(XMLCALL *XML_XmlDeclHandler)(void *userData, - const XML_Char *version, - const XML_Char *encoding, - int standalone); - -XMLPARSEAPI(void) -XML_SetXmlDeclHandler(XML_Parser parser, XML_XmlDeclHandler xmldecl); - -typedef struct { - void *(*malloc_fcn)(size_t size); - void *(*realloc_fcn)(void *ptr, size_t size); - void (*free_fcn)(void *ptr); -} XML_Memory_Handling_Suite; - -/* Constructs a new parser; encoding is the encoding specified by the - external protocol or NULL if there is none specified. -*/ -XMLPARSEAPI(XML_Parser) -XML_ParserCreate(const XML_Char *encoding); - -/* Constructs a new parser and namespace processor. Element type - names and attribute names that belong to a namespace will be - expanded; unprefixed attribute names are never expanded; unprefixed - element type names are expanded only if there is a default - namespace. The expanded name is the concatenation of the namespace - URI, the namespace separator character, and the local part of the - name. If the namespace separator is '\0' then the namespace URI - and the local part will be concatenated without any separator. - It is a programming error to use the separator '\0' with namespace - triplets (see XML_SetReturnNSTriplet). -*/ -XMLPARSEAPI(XML_Parser) -XML_ParserCreateNS(const XML_Char *encoding, XML_Char namespaceSeparator); - -/* Constructs a new parser using the memory management suite referred to - by memsuite. If memsuite is NULL, then use the standard library memory - suite. If namespaceSeparator is non-NULL it creates a parser with - namespace processing as described above. The character pointed at - will serve as the namespace separator. - - All further memory operations used for the created parser will come from - the given suite. -*/ -XMLPARSEAPI(XML_Parser) -XML_ParserCreate_MM(const XML_Char *encoding, - const XML_Memory_Handling_Suite *memsuite, - const XML_Char *namespaceSeparator); - -/* Prepare a parser object to be re-used. This is particularly - valuable when memory allocation overhead is disproportionately high, - such as when a large number of small documnents need to be parsed. - All handlers are cleared from the parser, except for the - unknownEncodingHandler. The parser's external state is re-initialized - except for the values of ns and ns_triplets. - - Added in Expat 1.95.3. -*/ -XMLPARSEAPI(XML_Bool) -XML_ParserReset(XML_Parser parser, const XML_Char *encoding); - -/* atts is array of name/value pairs, terminated by 0; - names and values are 0 terminated. -*/ -typedef void(XMLCALL *XML_StartElementHandler)(void *userData, - const XML_Char *name, - const XML_Char **atts); - -typedef void(XMLCALL *XML_EndElementHandler)(void *userData, - const XML_Char *name); - -/* s is not 0 terminated. */ -typedef void(XMLCALL *XML_CharacterDataHandler)(void *userData, - const XML_Char *s, int len); - -/* target and data are 0 terminated */ -typedef void(XMLCALL *XML_ProcessingInstructionHandler)(void *userData, - const XML_Char *target, - const XML_Char *data); - -/* data is 0 terminated */ -typedef void(XMLCALL *XML_CommentHandler)(void *userData, const XML_Char *data); - -typedef void(XMLCALL *XML_StartCdataSectionHandler)(void *userData); -typedef void(XMLCALL *XML_EndCdataSectionHandler)(void *userData); - -/* This is called for any characters in the XML document for which - there is no applicable handler. This includes both characters that - are part of markup which is of a kind that is not reported - (comments, markup declarations), or characters that are part of a - construct which could be reported but for which no handler has been - supplied. The characters are passed exactly as they were in the XML - document except that they will be encoded in UTF-8 or UTF-16. - Line boundaries are not normalized. Note that a byte order mark - character is not passed to the default handler. There are no - guarantees about how characters are divided between calls to the - default handler: for example, a comment might be split between - multiple calls. -*/ -typedef void(XMLCALL *XML_DefaultHandler)(void *userData, const XML_Char *s, - int len); - -/* This is called for the start of the DOCTYPE declaration, before - any DTD or internal subset is parsed. -*/ -typedef void(XMLCALL *XML_StartDoctypeDeclHandler)(void *userData, - const XML_Char *doctypeName, - const XML_Char *sysid, - const XML_Char *pubid, - int has_internal_subset); - -/* This is called for the start of the DOCTYPE declaration when the - closing > is encountered, but after processing any external - subset. -*/ -typedef void(XMLCALL *XML_EndDoctypeDeclHandler)(void *userData); - -/* This is called for entity declarations. The is_parameter_entity - argument will be non-zero if the entity is a parameter entity, zero - otherwise. - - For internal entities (<!ENTITY foo "bar">), value will - be non-NULL and systemId, publicID, and notationName will be NULL. - The value string is NOT null-terminated; the length is provided in - the value_length argument. Since it is legal to have zero-length - values, do not use this argument to test for internal entities. - - For external entities, value will be NULL and systemId will be - non-NULL. The publicId argument will be NULL unless a public - identifier was provided. The notationName argument will have a - non-NULL value only for unparsed entity declarations. - - Note that is_parameter_entity can't be changed to XML_Bool, since - that would break binary compatibility. -*/ -typedef void(XMLCALL *XML_EntityDeclHandler)( - void *userData, const XML_Char *entityName, int is_parameter_entity, - const XML_Char *value, int value_length, const XML_Char *base, - const XML_Char *systemId, const XML_Char *publicId, - const XML_Char *notationName); - -XMLPARSEAPI(void) -XML_SetEntityDeclHandler(XML_Parser parser, XML_EntityDeclHandler handler); - -/* OBSOLETE -- OBSOLETE -- OBSOLETE - This handler has been superseded by the EntityDeclHandler above. - It is provided here for backward compatibility. - - This is called for a declaration of an unparsed (NDATA) entity. - The base argument is whatever was set by XML_SetBase. The - entityName, systemId and notationName arguments will never be - NULL. The other arguments may be. -*/ -typedef void(XMLCALL *XML_UnparsedEntityDeclHandler)( - void *userData, const XML_Char *entityName, const XML_Char *base, - const XML_Char *systemId, const XML_Char *publicId, - const XML_Char *notationName); - -/* This is called for a declaration of notation. The base argument is - whatever was set by XML_SetBase. The notationName will never be - NULL. The other arguments can be. -*/ -typedef void(XMLCALL *XML_NotationDeclHandler)(void *userData, - const XML_Char *notationName, - const XML_Char *base, - const XML_Char *systemId, - const XML_Char *publicId); - -/* When namespace processing is enabled, these are called once for - each namespace declaration. The call to the start and end element - handlers occur between the calls to the start and end namespace - declaration handlers. For an xmlns attribute, prefix will be - NULL. For an xmlns="" attribute, uri will be NULL. -*/ -typedef void(XMLCALL *XML_StartNamespaceDeclHandler)(void *userData, - const XML_Char *prefix, - const XML_Char *uri); - -typedef void(XMLCALL *XML_EndNamespaceDeclHandler)(void *userData, - const XML_Char *prefix); - -/* This is called if the document is not standalone, that is, it has an - external subset or a reference to a parameter entity, but does not - have standalone="yes". If this handler returns XML_STATUS_ERROR, - then processing will not continue, and the parser will return a - XML_ERROR_NOT_STANDALONE error. - If parameter entity parsing is enabled, then in addition to the - conditions above this handler will only be called if the referenced - entity was actually read. -*/ -typedef int(XMLCALL *XML_NotStandaloneHandler)(void *userData); - -/* This is called for a reference to an external parsed general - entity. The referenced entity is not automatically parsed. The - application can parse it immediately or later using - XML_ExternalEntityParserCreate. - - The parser argument is the parser parsing the entity containing the - reference; it can be passed as the parser argument to - XML_ExternalEntityParserCreate. The systemId argument is the - system identifier as specified in the entity declaration; it will - not be NULL. - - The base argument is the system identifier that should be used as - the base for resolving systemId if systemId was relative; this is - set by XML_SetBase; it may be NULL. - - The publicId argument is the public identifier as specified in the - entity declaration, or NULL if none was specified; the whitespace - in the public identifier will have been normalized as required by - the XML spec. - - The context argument specifies the parsing context in the format - expected by the context argument to XML_ExternalEntityParserCreate; - context is valid only until the handler returns, so if the - referenced entity is to be parsed later, it must be copied. - context is NULL only when the entity is a parameter entity. - - The handler should return XML_STATUS_ERROR if processing should not - continue because of a fatal error in the handling of the external - entity. In this case the calling parser will return an - XML_ERROR_EXTERNAL_ENTITY_HANDLING error. - - Note that unlike other handlers the first argument is the parser, - not userData. -*/ -typedef int(XMLCALL *XML_ExternalEntityRefHandler)(XML_Parser parser, - const XML_Char *context, - const XML_Char *base, - const XML_Char *systemId, - const XML_Char *publicId); - -/* This is called in two situations: - 1) An entity reference is encountered for which no declaration - has been read *and* this is not an error. - 2) An internal entity reference is read, but not expanded, because - XML_SetDefaultHandler has been called. - Note: skipped parameter entities in declarations and skipped general - entities in attribute values cannot be reported, because - the event would be out of sync with the reporting of the - declarations or attribute values -*/ -typedef void(XMLCALL *XML_SkippedEntityHandler)(void *userData, - const XML_Char *entityName, - int is_parameter_entity); - -/* This structure is filled in by the XML_UnknownEncodingHandler to - provide information to the parser about encodings that are unknown - to the parser. - - The map[b] member gives information about byte sequences whose - first byte is b. - - If map[b] is c where c is >= 0, then b by itself encodes the - Unicode scalar value c. - - If map[b] is -1, then the byte sequence is malformed. - - If map[b] is -n, where n >= 2, then b is the first byte of an - n-byte sequence that encodes a single Unicode scalar value. - - The data member will be passed as the first argument to the convert - function. - - The convert function is used to convert multibyte sequences; s will - point to a n-byte sequence where map[(unsigned char)*s] == -n. The - convert function must return the Unicode scalar value represented - by this byte sequence or -1 if the byte sequence is malformed. - - The convert function may be NULL if the encoding is a single-byte - encoding, that is if map[b] >= -1 for all bytes b. - - When the parser is finished with the encoding, then if release is - not NULL, it will call release passing it the data member; once - release has been called, the convert function will not be called - again. - - Expat places certain restrictions on the encodings that are supported - using this mechanism. - - 1. Every ASCII character that can appear in a well-formed XML document, - other than the characters - - $@\^`{}~ - - must be represented by a single byte, and that byte must be the - same byte that represents that character in ASCII. - - 2. No character may require more than 4 bytes to encode. - - 3. All characters encoded must have Unicode scalar values <= - 0xFFFF, (i.e., characters that would be encoded by surrogates in - UTF-16 are not allowed). Note that this restriction doesn't - apply to the built-in support for UTF-8 and UTF-16. - - 4. No Unicode character may be encoded by more than one distinct - sequence of bytes. -*/ -typedef struct { - int map[256]; - void *data; - int(XMLCALL *convert)(void *data, const char *s); - void(XMLCALL *release)(void *data); -} XML_Encoding; - -/* This is called for an encoding that is unknown to the parser. - - The encodingHandlerData argument is that which was passed as the - second argument to XML_SetUnknownEncodingHandler. - - The name argument gives the name of the encoding as specified in - the encoding declaration. - - If the callback can provide information about the encoding, it must - fill in the XML_Encoding structure, and return XML_STATUS_OK. - Otherwise it must return XML_STATUS_ERROR. - - If info does not describe a suitable encoding, then the parser will +}; + +enum XML_Content_Type { + XML_CTYPE_EMPTY = 1, + XML_CTYPE_ANY, + XML_CTYPE_MIXED, + XML_CTYPE_NAME, + XML_CTYPE_CHOICE, + XML_CTYPE_SEQ +}; + +enum XML_Content_Quant { + XML_CQUANT_NONE, + XML_CQUANT_OPT, + XML_CQUANT_REP, + XML_CQUANT_PLUS +}; + +/* If type == XML_CTYPE_EMPTY or XML_CTYPE_ANY, then quant will be + XML_CQUANT_NONE, and the other fields will be zero or NULL. + If type == XML_CTYPE_MIXED, then quant will be NONE or REP and + numchildren will contain number of elements that may be mixed in + and children point to an array of XML_Content cells that will be + all of XML_CTYPE_NAME type with no quantification. + + If type == XML_CTYPE_NAME, then the name points to the name, and + the numchildren field will be zero and children will be NULL. The + quant fields indicates any quantifiers placed on the name. + + CHOICE and SEQ will have name NULL, the number of children in + numchildren and children will point, recursively, to an array + of XML_Content cells. + + The EMPTY, ANY, and MIXED types will only occur at top level. +*/ + +typedef struct XML_cp XML_Content; + +struct XML_cp { + enum XML_Content_Type type; + enum XML_Content_Quant quant; + XML_Char *name; + unsigned int numchildren; + XML_Content *children; +}; + +/* This is called for an element declaration. See above for + description of the model argument. It's the caller's responsibility + to free model when finished with it. +*/ +typedef void(XMLCALL *XML_ElementDeclHandler)(void *userData, + const XML_Char *name, + XML_Content *model); + +XMLPARSEAPI(void) +XML_SetElementDeclHandler(XML_Parser parser, XML_ElementDeclHandler eldecl); + +/* The Attlist declaration handler is called for *each* attribute. So + a single Attlist declaration with multiple attributes declared will + generate multiple calls to this handler. The "default" parameter + may be NULL in the case of the "#IMPLIED" or "#REQUIRED" + keyword. The "isrequired" parameter will be true and the default + value will be NULL in the case of "#REQUIRED". If "isrequired" is + true and default is non-NULL, then this is a "#FIXED" default. +*/ +typedef void(XMLCALL *XML_AttlistDeclHandler)( + void *userData, const XML_Char *elname, const XML_Char *attname, + const XML_Char *att_type, const XML_Char *dflt, int isrequired); + +XMLPARSEAPI(void) +XML_SetAttlistDeclHandler(XML_Parser parser, XML_AttlistDeclHandler attdecl); + +/* The XML declaration handler is called for *both* XML declarations + and text declarations. The way to distinguish is that the version + parameter will be NULL for text declarations. The encoding + parameter may be NULL for XML declarations. The standalone + parameter will be -1, 0, or 1 indicating respectively that there + was no standalone parameter in the declaration, that it was given + as no, or that it was given as yes. +*/ +typedef void(XMLCALL *XML_XmlDeclHandler)(void *userData, + const XML_Char *version, + const XML_Char *encoding, + int standalone); + +XMLPARSEAPI(void) +XML_SetXmlDeclHandler(XML_Parser parser, XML_XmlDeclHandler xmldecl); + +typedef struct { + void *(*malloc_fcn)(size_t size); + void *(*realloc_fcn)(void *ptr, size_t size); + void (*free_fcn)(void *ptr); +} XML_Memory_Handling_Suite; + +/* Constructs a new parser; encoding is the encoding specified by the + external protocol or NULL if there is none specified. +*/ +XMLPARSEAPI(XML_Parser) +XML_ParserCreate(const XML_Char *encoding); + +/* Constructs a new parser and namespace processor. Element type + names and attribute names that belong to a namespace will be + expanded; unprefixed attribute names are never expanded; unprefixed + element type names are expanded only if there is a default + namespace. The expanded name is the concatenation of the namespace + URI, the namespace separator character, and the local part of the + name. If the namespace separator is '\0' then the namespace URI + and the local part will be concatenated without any separator. + It is a programming error to use the separator '\0' with namespace + triplets (see XML_SetReturnNSTriplet). +*/ +XMLPARSEAPI(XML_Parser) +XML_ParserCreateNS(const XML_Char *encoding, XML_Char namespaceSeparator); + +/* Constructs a new parser using the memory management suite referred to + by memsuite. If memsuite is NULL, then use the standard library memory + suite. If namespaceSeparator is non-NULL it creates a parser with + namespace processing as described above. The character pointed at + will serve as the namespace separator. + + All further memory operations used for the created parser will come from + the given suite. +*/ +XMLPARSEAPI(XML_Parser) +XML_ParserCreate_MM(const XML_Char *encoding, + const XML_Memory_Handling_Suite *memsuite, + const XML_Char *namespaceSeparator); + +/* Prepare a parser object to be re-used. This is particularly + valuable when memory allocation overhead is disproportionately high, + such as when a large number of small documnents need to be parsed. + All handlers are cleared from the parser, except for the + unknownEncodingHandler. The parser's external state is re-initialized + except for the values of ns and ns_triplets. + + Added in Expat 1.95.3. +*/ +XMLPARSEAPI(XML_Bool) +XML_ParserReset(XML_Parser parser, const XML_Char *encoding); + +/* atts is array of name/value pairs, terminated by 0; + names and values are 0 terminated. +*/ +typedef void(XMLCALL *XML_StartElementHandler)(void *userData, + const XML_Char *name, + const XML_Char **atts); + +typedef void(XMLCALL *XML_EndElementHandler)(void *userData, + const XML_Char *name); + +/* s is not 0 terminated. */ +typedef void(XMLCALL *XML_CharacterDataHandler)(void *userData, + const XML_Char *s, int len); + +/* target and data are 0 terminated */ +typedef void(XMLCALL *XML_ProcessingInstructionHandler)(void *userData, + const XML_Char *target, + const XML_Char *data); + +/* data is 0 terminated */ +typedef void(XMLCALL *XML_CommentHandler)(void *userData, const XML_Char *data); + +typedef void(XMLCALL *XML_StartCdataSectionHandler)(void *userData); +typedef void(XMLCALL *XML_EndCdataSectionHandler)(void *userData); + +/* This is called for any characters in the XML document for which + there is no applicable handler. This includes both characters that + are part of markup which is of a kind that is not reported + (comments, markup declarations), or characters that are part of a + construct which could be reported but for which no handler has been + supplied. The characters are passed exactly as they were in the XML + document except that they will be encoded in UTF-8 or UTF-16. + Line boundaries are not normalized. Note that a byte order mark + character is not passed to the default handler. There are no + guarantees about how characters are divided between calls to the + default handler: for example, a comment might be split between + multiple calls. +*/ +typedef void(XMLCALL *XML_DefaultHandler)(void *userData, const XML_Char *s, + int len); + +/* This is called for the start of the DOCTYPE declaration, before + any DTD or internal subset is parsed. +*/ +typedef void(XMLCALL *XML_StartDoctypeDeclHandler)(void *userData, + const XML_Char *doctypeName, + const XML_Char *sysid, + const XML_Char *pubid, + int has_internal_subset); + +/* This is called for the start of the DOCTYPE declaration when the + closing > is encountered, but after processing any external + subset. +*/ +typedef void(XMLCALL *XML_EndDoctypeDeclHandler)(void *userData); + +/* This is called for entity declarations. The is_parameter_entity + argument will be non-zero if the entity is a parameter entity, zero + otherwise. + + For internal entities (<!ENTITY foo "bar">), value will + be non-NULL and systemId, publicID, and notationName will be NULL. + The value string is NOT null-terminated; the length is provided in + the value_length argument. Since it is legal to have zero-length + values, do not use this argument to test for internal entities. + + For external entities, value will be NULL and systemId will be + non-NULL. The publicId argument will be NULL unless a public + identifier was provided. The notationName argument will have a + non-NULL value only for unparsed entity declarations. + + Note that is_parameter_entity can't be changed to XML_Bool, since + that would break binary compatibility. +*/ +typedef void(XMLCALL *XML_EntityDeclHandler)( + void *userData, const XML_Char *entityName, int is_parameter_entity, + const XML_Char *value, int value_length, const XML_Char *base, + const XML_Char *systemId, const XML_Char *publicId, + const XML_Char *notationName); + +XMLPARSEAPI(void) +XML_SetEntityDeclHandler(XML_Parser parser, XML_EntityDeclHandler handler); + +/* OBSOLETE -- OBSOLETE -- OBSOLETE + This handler has been superseded by the EntityDeclHandler above. + It is provided here for backward compatibility. + + This is called for a declaration of an unparsed (NDATA) entity. + The base argument is whatever was set by XML_SetBase. The + entityName, systemId and notationName arguments will never be + NULL. The other arguments may be. +*/ +typedef void(XMLCALL *XML_UnparsedEntityDeclHandler)( + void *userData, const XML_Char *entityName, const XML_Char *base, + const XML_Char *systemId, const XML_Char *publicId, + const XML_Char *notationName); + +/* This is called for a declaration of notation. The base argument is + whatever was set by XML_SetBase. The notationName will never be + NULL. The other arguments can be. +*/ +typedef void(XMLCALL *XML_NotationDeclHandler)(void *userData, + const XML_Char *notationName, + const XML_Char *base, + const XML_Char *systemId, + const XML_Char *publicId); + +/* When namespace processing is enabled, these are called once for + each namespace declaration. The call to the start and end element + handlers occur between the calls to the start and end namespace + declaration handlers. For an xmlns attribute, prefix will be + NULL. For an xmlns="" attribute, uri will be NULL. +*/ +typedef void(XMLCALL *XML_StartNamespaceDeclHandler)(void *userData, + const XML_Char *prefix, + const XML_Char *uri); + +typedef void(XMLCALL *XML_EndNamespaceDeclHandler)(void *userData, + const XML_Char *prefix); + +/* This is called if the document is not standalone, that is, it has an + external subset or a reference to a parameter entity, but does not + have standalone="yes". If this handler returns XML_STATUS_ERROR, + then processing will not continue, and the parser will return a + XML_ERROR_NOT_STANDALONE error. + If parameter entity parsing is enabled, then in addition to the + conditions above this handler will only be called if the referenced + entity was actually read. +*/ +typedef int(XMLCALL *XML_NotStandaloneHandler)(void *userData); + +/* This is called for a reference to an external parsed general + entity. The referenced entity is not automatically parsed. The + application can parse it immediately or later using + XML_ExternalEntityParserCreate. + + The parser argument is the parser parsing the entity containing the + reference; it can be passed as the parser argument to + XML_ExternalEntityParserCreate. The systemId argument is the + system identifier as specified in the entity declaration; it will + not be NULL. + + The base argument is the system identifier that should be used as + the base for resolving systemId if systemId was relative; this is + set by XML_SetBase; it may be NULL. + + The publicId argument is the public identifier as specified in the + entity declaration, or NULL if none was specified; the whitespace + in the public identifier will have been normalized as required by + the XML spec. + + The context argument specifies the parsing context in the format + expected by the context argument to XML_ExternalEntityParserCreate; + context is valid only until the handler returns, so if the + referenced entity is to be parsed later, it must be copied. + context is NULL only when the entity is a parameter entity. + + The handler should return XML_STATUS_ERROR if processing should not + continue because of a fatal error in the handling of the external + entity. In this case the calling parser will return an + XML_ERROR_EXTERNAL_ENTITY_HANDLING error. + + Note that unlike other handlers the first argument is the parser, + not userData. +*/ +typedef int(XMLCALL *XML_ExternalEntityRefHandler)(XML_Parser parser, + const XML_Char *context, + const XML_Char *base, + const XML_Char *systemId, + const XML_Char *publicId); + +/* This is called in two situations: + 1) An entity reference is encountered for which no declaration + has been read *and* this is not an error. + 2) An internal entity reference is read, but not expanded, because + XML_SetDefaultHandler has been called. + Note: skipped parameter entities in declarations and skipped general + entities in attribute values cannot be reported, because + the event would be out of sync with the reporting of the + declarations or attribute values +*/ +typedef void(XMLCALL *XML_SkippedEntityHandler)(void *userData, + const XML_Char *entityName, + int is_parameter_entity); + +/* This structure is filled in by the XML_UnknownEncodingHandler to + provide information to the parser about encodings that are unknown + to the parser. + + The map[b] member gives information about byte sequences whose + first byte is b. + + If map[b] is c where c is >= 0, then b by itself encodes the + Unicode scalar value c. + + If map[b] is -1, then the byte sequence is malformed. + + If map[b] is -n, where n >= 2, then b is the first byte of an + n-byte sequence that encodes a single Unicode scalar value. + + The data member will be passed as the first argument to the convert + function. + + The convert function is used to convert multibyte sequences; s will + point to a n-byte sequence where map[(unsigned char)*s] == -n. The + convert function must return the Unicode scalar value represented + by this byte sequence or -1 if the byte sequence is malformed. + + The convert function may be NULL if the encoding is a single-byte + encoding, that is if map[b] >= -1 for all bytes b. + + When the parser is finished with the encoding, then if release is + not NULL, it will call release passing it the data member; once + release has been called, the convert function will not be called + again. + + Expat places certain restrictions on the encodings that are supported + using this mechanism. + + 1. Every ASCII character that can appear in a well-formed XML document, + other than the characters + + $@\^`{}~ + + must be represented by a single byte, and that byte must be the + same byte that represents that character in ASCII. + + 2. No character may require more than 4 bytes to encode. + + 3. All characters encoded must have Unicode scalar values <= + 0xFFFF, (i.e., characters that would be encoded by surrogates in + UTF-16 are not allowed). Note that this restriction doesn't + apply to the built-in support for UTF-8 and UTF-16. + + 4. No Unicode character may be encoded by more than one distinct + sequence of bytes. +*/ +typedef struct { + int map[256]; + void *data; + int(XMLCALL *convert)(void *data, const char *s); + void(XMLCALL *release)(void *data); +} XML_Encoding; + +/* This is called for an encoding that is unknown to the parser. + + The encodingHandlerData argument is that which was passed as the + second argument to XML_SetUnknownEncodingHandler. + + The name argument gives the name of the encoding as specified in + the encoding declaration. + + If the callback can provide information about the encoding, it must + fill in the XML_Encoding structure, and return XML_STATUS_OK. + Otherwise it must return XML_STATUS_ERROR. + + If info does not describe a suitable encoding, then the parser will return an XML_ERROR_UNKNOWN_ENCODING error. -*/ -typedef int(XMLCALL *XML_UnknownEncodingHandler)(void *encodingHandlerData, - const XML_Char *name, - XML_Encoding *info); - -XMLPARSEAPI(void) -XML_SetElementHandler(XML_Parser parser, XML_StartElementHandler start, - XML_EndElementHandler end); - -XMLPARSEAPI(void) -XML_SetStartElementHandler(XML_Parser parser, XML_StartElementHandler handler); - -XMLPARSEAPI(void) -XML_SetEndElementHandler(XML_Parser parser, XML_EndElementHandler handler); - -XMLPARSEAPI(void) -XML_SetCharacterDataHandler(XML_Parser parser, - XML_CharacterDataHandler handler); - -XMLPARSEAPI(void) -XML_SetProcessingInstructionHandler(XML_Parser parser, - XML_ProcessingInstructionHandler handler); -XMLPARSEAPI(void) -XML_SetCommentHandler(XML_Parser parser, XML_CommentHandler handler); - -XMLPARSEAPI(void) -XML_SetCdataSectionHandler(XML_Parser parser, - XML_StartCdataSectionHandler start, - XML_EndCdataSectionHandler end); - -XMLPARSEAPI(void) -XML_SetStartCdataSectionHandler(XML_Parser parser, - XML_StartCdataSectionHandler start); - -XMLPARSEAPI(void) -XML_SetEndCdataSectionHandler(XML_Parser parser, - XML_EndCdataSectionHandler end); - -/* This sets the default handler and also inhibits expansion of - internal entities. These entity references will be passed to the - default handler, or to the skipped entity handler, if one is set. -*/ -XMLPARSEAPI(void) -XML_SetDefaultHandler(XML_Parser parser, XML_DefaultHandler handler); - -/* This sets the default handler but does not inhibit expansion of - internal entities. The entity reference will not be passed to the - default handler. -*/ -XMLPARSEAPI(void) -XML_SetDefaultHandlerExpand(XML_Parser parser, XML_DefaultHandler handler); - -XMLPARSEAPI(void) -XML_SetDoctypeDeclHandler(XML_Parser parser, XML_StartDoctypeDeclHandler start, - XML_EndDoctypeDeclHandler end); - -XMLPARSEAPI(void) -XML_SetStartDoctypeDeclHandler(XML_Parser parser, - XML_StartDoctypeDeclHandler start); - -XMLPARSEAPI(void) -XML_SetEndDoctypeDeclHandler(XML_Parser parser, XML_EndDoctypeDeclHandler end); - -XMLPARSEAPI(void) -XML_SetUnparsedEntityDeclHandler(XML_Parser parser, - XML_UnparsedEntityDeclHandler handler); - -XMLPARSEAPI(void) -XML_SetNotationDeclHandler(XML_Parser parser, XML_NotationDeclHandler handler); - -XMLPARSEAPI(void) -XML_SetNamespaceDeclHandler(XML_Parser parser, - XML_StartNamespaceDeclHandler start, - XML_EndNamespaceDeclHandler end); - -XMLPARSEAPI(void) -XML_SetStartNamespaceDeclHandler(XML_Parser parser, - XML_StartNamespaceDeclHandler start); - -XMLPARSEAPI(void) -XML_SetEndNamespaceDeclHandler(XML_Parser parser, - XML_EndNamespaceDeclHandler end); - -XMLPARSEAPI(void) -XML_SetNotStandaloneHandler(XML_Parser parser, - XML_NotStandaloneHandler handler); - -XMLPARSEAPI(void) -XML_SetExternalEntityRefHandler(XML_Parser parser, - XML_ExternalEntityRefHandler handler); - -/* If a non-NULL value for arg is specified here, then it will be - passed as the first argument to the external entity ref handler - instead of the parser object. -*/ -XMLPARSEAPI(void) -XML_SetExternalEntityRefHandlerArg(XML_Parser parser, void *arg); - -XMLPARSEAPI(void) -XML_SetSkippedEntityHandler(XML_Parser parser, - XML_SkippedEntityHandler handler); - -XMLPARSEAPI(void) -XML_SetUnknownEncodingHandler(XML_Parser parser, - XML_UnknownEncodingHandler handler, - void *encodingHandlerData); - -/* This can be called within a handler for a start element, end - element, processing instruction or character data. It causes the - corresponding markup to be passed to the default handler. -*/ -XMLPARSEAPI(void) -XML_DefaultCurrent(XML_Parser parser); - -/* If do_nst is non-zero, and namespace processing is in effect, and - a name has a prefix (i.e. an explicit namespace qualifier) then - that name is returned as a triplet in a single string separated by - the separator character specified when the parser was created: URI - + sep + local_name + sep + prefix. - - If do_nst is zero, then namespace information is returned in the - default manner (URI + sep + local_name) whether or not the name - has a prefix. - - Note: Calling XML_SetReturnNSTriplet after XML_Parse or - XML_ParseBuffer has no effect. -*/ - -XMLPARSEAPI(void) -XML_SetReturnNSTriplet(XML_Parser parser, int do_nst); - -/* This value is passed as the userData argument to callbacks. */ -XMLPARSEAPI(void) -XML_SetUserData(XML_Parser parser, void *userData); - -/* Returns the last value set by XML_SetUserData or NULL. */ -#define XML_GetUserData(parser) (*(void **)(parser)) - -/* This is equivalent to supplying an encoding argument to - XML_ParserCreate. On success XML_SetEncoding returns non-zero, - zero otherwise. - Note: Calling XML_SetEncoding after XML_Parse or XML_ParseBuffer - has no effect and returns XML_STATUS_ERROR. -*/ -XMLPARSEAPI(enum XML_Status) -XML_SetEncoding(XML_Parser parser, const XML_Char *encoding); - -/* If this function is called, then the parser will be passed as the - first argument to callbacks instead of userData. The userData will - still be accessible using XML_GetUserData. -*/ -XMLPARSEAPI(void) -XML_UseParserAsHandlerArg(XML_Parser parser); - -/* If useDTD == XML_TRUE is passed to this function, then the parser - will assume that there is an external subset, even if none is - specified in the document. In such a case the parser will call the - externalEntityRefHandler with a value of NULL for the systemId - argument (the publicId and context arguments will be NULL as well). - Note: For the purpose of checking WFC: Entity Declared, passing - useDTD == XML_TRUE will make the parser behave as if the document - had a DTD with an external subset. - Note: If this function is called, then this must be done before - the first call to XML_Parse or XML_ParseBuffer, since it will - have no effect after that. Returns - XML_ERROR_CANT_CHANGE_FEATURE_ONCE_PARSING. - Note: If the document does not have a DOCTYPE declaration at all, - then startDoctypeDeclHandler and endDoctypeDeclHandler will not - be called, despite an external subset being parsed. - Note: If XML_DTD is not defined when Expat is compiled, returns - XML_ERROR_FEATURE_REQUIRES_XML_DTD. - Note: If parser == NULL, returns XML_ERROR_INVALID_ARGUMENT. -*/ -XMLPARSEAPI(enum XML_Error) -XML_UseForeignDTD(XML_Parser parser, XML_Bool useDTD); - -/* Sets the base to be used for resolving relative URIs in system - identifiers in declarations. Resolving relative identifiers is - left to the application: this value will be passed through as the - base argument to the XML_ExternalEntityRefHandler, - XML_NotationDeclHandler and XML_UnparsedEntityDeclHandler. The base - argument will be copied. Returns XML_STATUS_ERROR if out of memory, - XML_STATUS_OK otherwise. -*/ -XMLPARSEAPI(enum XML_Status) -XML_SetBase(XML_Parser parser, const XML_Char *base); - -XMLPARSEAPI(const XML_Char *) -XML_GetBase(XML_Parser parser); - -/* Returns the number of the attribute/value pairs passed in last call - to the XML_StartElementHandler that were specified in the start-tag - rather than defaulted. Each attribute/value pair counts as 2; thus - this corresponds to an index into the atts array passed to the - XML_StartElementHandler. Returns -1 if parser == NULL. -*/ -XMLPARSEAPI(int) -XML_GetSpecifiedAttributeCount(XML_Parser parser); - -/* Returns the index of the ID attribute passed in the last call to - XML_StartElementHandler, or -1 if there is no ID attribute or - parser == NULL. Each attribute/value pair counts as 2; thus this - corresponds to an index into the atts array passed to the - XML_StartElementHandler. -*/ -XMLPARSEAPI(int) -XML_GetIdAttributeIndex(XML_Parser parser); - -#ifdef XML_ATTR_INFO -/* Source file byte offsets for the start and end of attribute names and values. - The value indices are exclusive of surrounding quotes; thus in a UTF-8 source - file an attribute value of "blah" will yield: - info->valueEnd - info->valueStart = 4 bytes. -*/ -typedef struct { - XML_Index nameStart; /* Offset to beginning of the attribute name. */ - XML_Index nameEnd; /* Offset after the attribute name's last byte. */ - XML_Index valueStart; /* Offset to beginning of the attribute value. */ - XML_Index valueEnd; /* Offset after the attribute value's last byte. */ -} XML_AttrInfo; - -/* Returns an array of XML_AttrInfo structures for the attribute/value pairs - passed in last call to the XML_StartElementHandler that were specified - in the start-tag rather than defaulted. Each attribute/value pair counts - as 1; thus the number of entries in the array is - XML_GetSpecifiedAttributeCount(parser) / 2. -*/ -XMLPARSEAPI(const XML_AttrInfo *) -XML_GetAttributeInfo(XML_Parser parser); -#endif - -/* Parses some input. Returns XML_STATUS_ERROR if a fatal error is - detected. The last call to XML_Parse must have isFinal true; len - may be zero for this call (or any other). - - Though the return values for these functions has always been - described as a Boolean value, the implementation, at least for the - 1.95.x series, has always returned exactly one of the XML_Status - values. -*/ -XMLPARSEAPI(enum XML_Status) -XML_Parse(XML_Parser parser, const char *s, int len, int isFinal); - -XMLPARSEAPI(void *) -XML_GetBuffer(XML_Parser parser, int len); - -XMLPARSEAPI(enum XML_Status) -XML_ParseBuffer(XML_Parser parser, int len, int isFinal); - -/* Stops parsing, causing XML_Parse() or XML_ParseBuffer() to return. - Must be called from within a call-back handler, except when aborting - (resumable = 0) an already suspended parser. Some call-backs may - still follow because they would otherwise get lost. Examples: - - endElementHandler() for empty elements when stopped in - startElementHandler(), - - endNameSpaceDeclHandler() when stopped in endElementHandler(), - and possibly others. - - Can be called from most handlers, including DTD related call-backs, - except when parsing an external parameter entity and resumable != 0. - Returns XML_STATUS_OK when successful, XML_STATUS_ERROR otherwise. - Possible error codes: - - XML_ERROR_SUSPENDED: when suspending an already suspended parser. - - XML_ERROR_FINISHED: when the parser has already finished. - - XML_ERROR_SUSPEND_PE: when suspending while parsing an external PE. - - When resumable != 0 (true) then parsing is suspended, that is, - XML_Parse() and XML_ParseBuffer() return XML_STATUS_SUSPENDED. - Otherwise, parsing is aborted, that is, XML_Parse() and XML_ParseBuffer() - return XML_STATUS_ERROR with error code XML_ERROR_ABORTED. - - *Note*: - This will be applied to the current parser instance only, that is, if - there is a parent parser then it will continue parsing when the - externalEntityRefHandler() returns. It is up to the implementation of - the externalEntityRefHandler() to call XML_StopParser() on the parent - parser (recursively), if one wants to stop parsing altogether. - - When suspended, parsing can be resumed by calling XML_ResumeParser(). -*/ -XMLPARSEAPI(enum XML_Status) -XML_StopParser(XML_Parser parser, XML_Bool resumable); - -/* Resumes parsing after it has been suspended with XML_StopParser(). - Must not be called from within a handler call-back. Returns same - status codes as XML_Parse() or XML_ParseBuffer(). - Additional error code XML_ERROR_NOT_SUSPENDED possible. - - *Note*: - This must be called on the most deeply nested child parser instance - first, and on its parent parser only after the child parser has finished, - to be applied recursively until the document entity's parser is restarted. - That is, the parent parser will not resume by itself and it is up to the - application to call XML_ResumeParser() on it at the appropriate moment. -*/ -XMLPARSEAPI(enum XML_Status) -XML_ResumeParser(XML_Parser parser); - -enum XML_Parsing { XML_INITIALIZED, XML_PARSING, XML_FINISHED, XML_SUSPENDED }; - -typedef struct { - enum XML_Parsing parsing; - XML_Bool finalBuffer; -} XML_ParsingStatus; - -/* Returns status of parser with respect to being initialized, parsing, - finished, or suspended and processing the final buffer. - XXX XML_Parse() and XML_ParseBuffer() should return XML_ParsingStatus, - XXX with XML_FINISHED_OK or XML_FINISHED_ERROR replacing XML_FINISHED -*/ -XMLPARSEAPI(void) -XML_GetParsingStatus(XML_Parser parser, XML_ParsingStatus *status); - -/* Creates an XML_Parser object that can parse an external general - entity; context is a '\0'-terminated string specifying the parse - context; encoding is a '\0'-terminated string giving the name of - the externally specified encoding, or NULL if there is no - externally specified encoding. The context string consists of a - sequence of tokens separated by formfeeds (\f); a token consisting - of a name specifies that the general entity of the name is open; a - token of the form prefix=uri specifies the namespace for a - particular prefix; a token of the form =uri specifies the default - namespace. This can be called at any point after the first call to - an ExternalEntityRefHandler so longer as the parser has not yet - been freed. The new parser is completely independent and may - safely be used in a separate thread. The handlers and userData are - initialized from the parser argument. Returns NULL if out of memory. - Otherwise returns a new XML_Parser object. -*/ -XMLPARSEAPI(XML_Parser) -XML_ExternalEntityParserCreate(XML_Parser parser, const XML_Char *context, - const XML_Char *encoding); - -enum XML_ParamEntityParsing { - XML_PARAM_ENTITY_PARSING_NEVER, - XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE, - XML_PARAM_ENTITY_PARSING_ALWAYS -}; - -/* Controls parsing of parameter entities (including the external DTD - subset). If parsing of parameter entities is enabled, then - references to external parameter entities (including the external - DTD subset) will be passed to the handler set with - XML_SetExternalEntityRefHandler. The context passed will be 0. - - Unlike external general entities, external parameter entities can - only be parsed synchronously. If the external parameter entity is - to be parsed, it must be parsed during the call to the external - entity ref handler: the complete sequence of - XML_ExternalEntityParserCreate, XML_Parse/XML_ParseBuffer and - XML_ParserFree calls must be made during this call. After - XML_ExternalEntityParserCreate has been called to create the parser - for the external parameter entity (context must be 0 for this - call), it is illegal to make any calls on the old parser until - XML_ParserFree has been called on the newly created parser. - If the library has been compiled without support for parameter - entity parsing (ie without XML_DTD being defined), then - XML_SetParamEntityParsing will return 0 if parsing of parameter - entities is requested; otherwise it will return non-zero. - Note: If XML_SetParamEntityParsing is called after XML_Parse or - XML_ParseBuffer, then it has no effect and will always return 0. - Note: If parser == NULL, the function will do nothing and return 0. -*/ -XMLPARSEAPI(int) -XML_SetParamEntityParsing(XML_Parser parser, - enum XML_ParamEntityParsing parsing); - -/* Sets the hash salt to use for internal hash calculations. - Helps in preventing DoS attacks based on predicting hash - function behavior. This must be called before parsing is started. - Returns 1 if successful, 0 when called after parsing has started. - Note: If parser == NULL, the function will do nothing and return 0. -*/ -XMLPARSEAPI(int) -XML_SetHashSalt(XML_Parser parser, unsigned long hash_salt); - -/* If XML_Parse or XML_ParseBuffer have returned XML_STATUS_ERROR, then - XML_GetErrorCode returns information about the error. -*/ -XMLPARSEAPI(enum XML_Error) -XML_GetErrorCode(XML_Parser parser); - -/* These functions return information about the current parse - location. They may be called from any callback called to report - some parse event; in this case the location is the location of the - first of the sequence of characters that generated the event. When - called from callbacks generated by declarations in the document - prologue, the location identified isn't as neatly defined, but will - be within the relevant markup. When called outside of the callback - functions, the position indicated will be just past the last parse - event (regardless of whether there was an associated callback). - - They may also be called after returning from a call to XML_Parse - or XML_ParseBuffer. If the return value is XML_STATUS_ERROR then - the location is the location of the character at which the error - was detected; otherwise the location is the location of the last - parse event, as described above. - - Note: XML_GetCurrentLineNumber and XML_GetCurrentColumnNumber - return 0 to indicate an error. - Note: XML_GetCurrentByteIndex returns -1 to indicate an error. -*/ -XMLPARSEAPI(XML_Size) XML_GetCurrentLineNumber(XML_Parser parser); -XMLPARSEAPI(XML_Size) XML_GetCurrentColumnNumber(XML_Parser parser); -XMLPARSEAPI(XML_Index) XML_GetCurrentByteIndex(XML_Parser parser); - -/* Return the number of bytes in the current event. - Returns 0 if the event is in an internal entity. -*/ -XMLPARSEAPI(int) -XML_GetCurrentByteCount(XML_Parser parser); - -/* If XML_CONTEXT_BYTES is defined, returns the input buffer, sets - the integer pointed to by offset to the offset within this buffer - of the current parse position, and sets the integer pointed to by size - to the size of this buffer (the number of input bytes). Otherwise - returns a NULL pointer. Also returns a NULL pointer if a parse isn't - active. - - NOTE: The character pointer returned should not be used outside - the handler that makes the call. -*/ -XMLPARSEAPI(const char *) -XML_GetInputContext(XML_Parser parser, int *offset, int *size); - -/* For backwards compatibility with previous versions. */ -#define XML_GetErrorLineNumber XML_GetCurrentLineNumber -#define XML_GetErrorColumnNumber XML_GetCurrentColumnNumber -#define XML_GetErrorByteIndex XML_GetCurrentByteIndex - -/* Frees the content model passed to the element declaration handler */ -XMLPARSEAPI(void) -XML_FreeContentModel(XML_Parser parser, XML_Content *model); - -/* Exposing the memory handling functions used in Expat */ -XMLPARSEAPI(void *) -XML_ATTR_MALLOC -XML_ATTR_ALLOC_SIZE(2) -XML_MemMalloc(XML_Parser parser, size_t size); - -XMLPARSEAPI(void *) -XML_ATTR_ALLOC_SIZE(3) -XML_MemRealloc(XML_Parser parser, void *ptr, size_t size); - -XMLPARSEAPI(void) -XML_MemFree(XML_Parser parser, void *ptr); - -/* Frees memory used by the parser. */ -XMLPARSEAPI(void) -XML_ParserFree(XML_Parser parser); - -/* Returns a string describing the error. */ -XMLPARSEAPI(const XML_LChar *) -XML_ErrorString(enum XML_Error code); - -/* Return a string containing the version number of this expat */ -XMLPARSEAPI(const XML_LChar *) -XML_ExpatVersion(void); - -typedef struct { - int major; - int minor; - int micro; -} XML_Expat_Version; - -/* Return an XML_Expat_Version structure containing numeric version - number information for this version of expat. -*/ -XMLPARSEAPI(XML_Expat_Version) -XML_ExpatVersionInfo(void); - -/* Added in Expat 1.95.5. */ -enum XML_FeatureEnum { - XML_FEATURE_END = 0, - XML_FEATURE_UNICODE, - XML_FEATURE_UNICODE_WCHAR_T, - XML_FEATURE_DTD, - XML_FEATURE_CONTEXT_BYTES, - XML_FEATURE_MIN_SIZE, - XML_FEATURE_SIZEOF_XML_CHAR, - XML_FEATURE_SIZEOF_XML_LCHAR, - XML_FEATURE_NS, - XML_FEATURE_LARGE_SIZE, +*/ +typedef int(XMLCALL *XML_UnknownEncodingHandler)(void *encodingHandlerData, + const XML_Char *name, + XML_Encoding *info); + +XMLPARSEAPI(void) +XML_SetElementHandler(XML_Parser parser, XML_StartElementHandler start, + XML_EndElementHandler end); + +XMLPARSEAPI(void) +XML_SetStartElementHandler(XML_Parser parser, XML_StartElementHandler handler); + +XMLPARSEAPI(void) +XML_SetEndElementHandler(XML_Parser parser, XML_EndElementHandler handler); + +XMLPARSEAPI(void) +XML_SetCharacterDataHandler(XML_Parser parser, + XML_CharacterDataHandler handler); + +XMLPARSEAPI(void) +XML_SetProcessingInstructionHandler(XML_Parser parser, + XML_ProcessingInstructionHandler handler); +XMLPARSEAPI(void) +XML_SetCommentHandler(XML_Parser parser, XML_CommentHandler handler); + +XMLPARSEAPI(void) +XML_SetCdataSectionHandler(XML_Parser parser, + XML_StartCdataSectionHandler start, + XML_EndCdataSectionHandler end); + +XMLPARSEAPI(void) +XML_SetStartCdataSectionHandler(XML_Parser parser, + XML_StartCdataSectionHandler start); + +XMLPARSEAPI(void) +XML_SetEndCdataSectionHandler(XML_Parser parser, + XML_EndCdataSectionHandler end); + +/* This sets the default handler and also inhibits expansion of + internal entities. These entity references will be passed to the + default handler, or to the skipped entity handler, if one is set. +*/ +XMLPARSEAPI(void) +XML_SetDefaultHandler(XML_Parser parser, XML_DefaultHandler handler); + +/* This sets the default handler but does not inhibit expansion of + internal entities. The entity reference will not be passed to the + default handler. +*/ +XMLPARSEAPI(void) +XML_SetDefaultHandlerExpand(XML_Parser parser, XML_DefaultHandler handler); + +XMLPARSEAPI(void) +XML_SetDoctypeDeclHandler(XML_Parser parser, XML_StartDoctypeDeclHandler start, + XML_EndDoctypeDeclHandler end); + +XMLPARSEAPI(void) +XML_SetStartDoctypeDeclHandler(XML_Parser parser, + XML_StartDoctypeDeclHandler start); + +XMLPARSEAPI(void) +XML_SetEndDoctypeDeclHandler(XML_Parser parser, XML_EndDoctypeDeclHandler end); + +XMLPARSEAPI(void) +XML_SetUnparsedEntityDeclHandler(XML_Parser parser, + XML_UnparsedEntityDeclHandler handler); + +XMLPARSEAPI(void) +XML_SetNotationDeclHandler(XML_Parser parser, XML_NotationDeclHandler handler); + +XMLPARSEAPI(void) +XML_SetNamespaceDeclHandler(XML_Parser parser, + XML_StartNamespaceDeclHandler start, + XML_EndNamespaceDeclHandler end); + +XMLPARSEAPI(void) +XML_SetStartNamespaceDeclHandler(XML_Parser parser, + XML_StartNamespaceDeclHandler start); + +XMLPARSEAPI(void) +XML_SetEndNamespaceDeclHandler(XML_Parser parser, + XML_EndNamespaceDeclHandler end); + +XMLPARSEAPI(void) +XML_SetNotStandaloneHandler(XML_Parser parser, + XML_NotStandaloneHandler handler); + +XMLPARSEAPI(void) +XML_SetExternalEntityRefHandler(XML_Parser parser, + XML_ExternalEntityRefHandler handler); + +/* If a non-NULL value for arg is specified here, then it will be + passed as the first argument to the external entity ref handler + instead of the parser object. +*/ +XMLPARSEAPI(void) +XML_SetExternalEntityRefHandlerArg(XML_Parser parser, void *arg); + +XMLPARSEAPI(void) +XML_SetSkippedEntityHandler(XML_Parser parser, + XML_SkippedEntityHandler handler); + +XMLPARSEAPI(void) +XML_SetUnknownEncodingHandler(XML_Parser parser, + XML_UnknownEncodingHandler handler, + void *encodingHandlerData); + +/* This can be called within a handler for a start element, end + element, processing instruction or character data. It causes the + corresponding markup to be passed to the default handler. +*/ +XMLPARSEAPI(void) +XML_DefaultCurrent(XML_Parser parser); + +/* If do_nst is non-zero, and namespace processing is in effect, and + a name has a prefix (i.e. an explicit namespace qualifier) then + that name is returned as a triplet in a single string separated by + the separator character specified when the parser was created: URI + + sep + local_name + sep + prefix. + + If do_nst is zero, then namespace information is returned in the + default manner (URI + sep + local_name) whether or not the name + has a prefix. + + Note: Calling XML_SetReturnNSTriplet after XML_Parse or + XML_ParseBuffer has no effect. +*/ + +XMLPARSEAPI(void) +XML_SetReturnNSTriplet(XML_Parser parser, int do_nst); + +/* This value is passed as the userData argument to callbacks. */ +XMLPARSEAPI(void) +XML_SetUserData(XML_Parser parser, void *userData); + +/* Returns the last value set by XML_SetUserData or NULL. */ +#define XML_GetUserData(parser) (*(void **)(parser)) + +/* This is equivalent to supplying an encoding argument to + XML_ParserCreate. On success XML_SetEncoding returns non-zero, + zero otherwise. + Note: Calling XML_SetEncoding after XML_Parse or XML_ParseBuffer + has no effect and returns XML_STATUS_ERROR. +*/ +XMLPARSEAPI(enum XML_Status) +XML_SetEncoding(XML_Parser parser, const XML_Char *encoding); + +/* If this function is called, then the parser will be passed as the + first argument to callbacks instead of userData. The userData will + still be accessible using XML_GetUserData. +*/ +XMLPARSEAPI(void) +XML_UseParserAsHandlerArg(XML_Parser parser); + +/* If useDTD == XML_TRUE is passed to this function, then the parser + will assume that there is an external subset, even if none is + specified in the document. In such a case the parser will call the + externalEntityRefHandler with a value of NULL for the systemId + argument (the publicId and context arguments will be NULL as well). + Note: For the purpose of checking WFC: Entity Declared, passing + useDTD == XML_TRUE will make the parser behave as if the document + had a DTD with an external subset. + Note: If this function is called, then this must be done before + the first call to XML_Parse or XML_ParseBuffer, since it will + have no effect after that. Returns + XML_ERROR_CANT_CHANGE_FEATURE_ONCE_PARSING. + Note: If the document does not have a DOCTYPE declaration at all, + then startDoctypeDeclHandler and endDoctypeDeclHandler will not + be called, despite an external subset being parsed. + Note: If XML_DTD is not defined when Expat is compiled, returns + XML_ERROR_FEATURE_REQUIRES_XML_DTD. + Note: If parser == NULL, returns XML_ERROR_INVALID_ARGUMENT. +*/ +XMLPARSEAPI(enum XML_Error) +XML_UseForeignDTD(XML_Parser parser, XML_Bool useDTD); + +/* Sets the base to be used for resolving relative URIs in system + identifiers in declarations. Resolving relative identifiers is + left to the application: this value will be passed through as the + base argument to the XML_ExternalEntityRefHandler, + XML_NotationDeclHandler and XML_UnparsedEntityDeclHandler. The base + argument will be copied. Returns XML_STATUS_ERROR if out of memory, + XML_STATUS_OK otherwise. +*/ +XMLPARSEAPI(enum XML_Status) +XML_SetBase(XML_Parser parser, const XML_Char *base); + +XMLPARSEAPI(const XML_Char *) +XML_GetBase(XML_Parser parser); + +/* Returns the number of the attribute/value pairs passed in last call + to the XML_StartElementHandler that were specified in the start-tag + rather than defaulted. Each attribute/value pair counts as 2; thus + this corresponds to an index into the atts array passed to the + XML_StartElementHandler. Returns -1 if parser == NULL. +*/ +XMLPARSEAPI(int) +XML_GetSpecifiedAttributeCount(XML_Parser parser); + +/* Returns the index of the ID attribute passed in the last call to + XML_StartElementHandler, or -1 if there is no ID attribute or + parser == NULL. Each attribute/value pair counts as 2; thus this + corresponds to an index into the atts array passed to the + XML_StartElementHandler. +*/ +XMLPARSEAPI(int) +XML_GetIdAttributeIndex(XML_Parser parser); + +#ifdef XML_ATTR_INFO +/* Source file byte offsets for the start and end of attribute names and values. + The value indices are exclusive of surrounding quotes; thus in a UTF-8 source + file an attribute value of "blah" will yield: + info->valueEnd - info->valueStart = 4 bytes. +*/ +typedef struct { + XML_Index nameStart; /* Offset to beginning of the attribute name. */ + XML_Index nameEnd; /* Offset after the attribute name's last byte. */ + XML_Index valueStart; /* Offset to beginning of the attribute value. */ + XML_Index valueEnd; /* Offset after the attribute value's last byte. */ +} XML_AttrInfo; + +/* Returns an array of XML_AttrInfo structures for the attribute/value pairs + passed in last call to the XML_StartElementHandler that were specified + in the start-tag rather than defaulted. Each attribute/value pair counts + as 1; thus the number of entries in the array is + XML_GetSpecifiedAttributeCount(parser) / 2. +*/ +XMLPARSEAPI(const XML_AttrInfo *) +XML_GetAttributeInfo(XML_Parser parser); +#endif + +/* Parses some input. Returns XML_STATUS_ERROR if a fatal error is + detected. The last call to XML_Parse must have isFinal true; len + may be zero for this call (or any other). + + Though the return values for these functions has always been + described as a Boolean value, the implementation, at least for the + 1.95.x series, has always returned exactly one of the XML_Status + values. +*/ +XMLPARSEAPI(enum XML_Status) +XML_Parse(XML_Parser parser, const char *s, int len, int isFinal); + +XMLPARSEAPI(void *) +XML_GetBuffer(XML_Parser parser, int len); + +XMLPARSEAPI(enum XML_Status) +XML_ParseBuffer(XML_Parser parser, int len, int isFinal); + +/* Stops parsing, causing XML_Parse() or XML_ParseBuffer() to return. + Must be called from within a call-back handler, except when aborting + (resumable = 0) an already suspended parser. Some call-backs may + still follow because they would otherwise get lost. Examples: + - endElementHandler() for empty elements when stopped in + startElementHandler(), + - endNameSpaceDeclHandler() when stopped in endElementHandler(), + and possibly others. + + Can be called from most handlers, including DTD related call-backs, + except when parsing an external parameter entity and resumable != 0. + Returns XML_STATUS_OK when successful, XML_STATUS_ERROR otherwise. + Possible error codes: + - XML_ERROR_SUSPENDED: when suspending an already suspended parser. + - XML_ERROR_FINISHED: when the parser has already finished. + - XML_ERROR_SUSPEND_PE: when suspending while parsing an external PE. + + When resumable != 0 (true) then parsing is suspended, that is, + XML_Parse() and XML_ParseBuffer() return XML_STATUS_SUSPENDED. + Otherwise, parsing is aborted, that is, XML_Parse() and XML_ParseBuffer() + return XML_STATUS_ERROR with error code XML_ERROR_ABORTED. + + *Note*: + This will be applied to the current parser instance only, that is, if + there is a parent parser then it will continue parsing when the + externalEntityRefHandler() returns. It is up to the implementation of + the externalEntityRefHandler() to call XML_StopParser() on the parent + parser (recursively), if one wants to stop parsing altogether. + + When suspended, parsing can be resumed by calling XML_ResumeParser(). +*/ +XMLPARSEAPI(enum XML_Status) +XML_StopParser(XML_Parser parser, XML_Bool resumable); + +/* Resumes parsing after it has been suspended with XML_StopParser(). + Must not be called from within a handler call-back. Returns same + status codes as XML_Parse() or XML_ParseBuffer(). + Additional error code XML_ERROR_NOT_SUSPENDED possible. + + *Note*: + This must be called on the most deeply nested child parser instance + first, and on its parent parser only after the child parser has finished, + to be applied recursively until the document entity's parser is restarted. + That is, the parent parser will not resume by itself and it is up to the + application to call XML_ResumeParser() on it at the appropriate moment. +*/ +XMLPARSEAPI(enum XML_Status) +XML_ResumeParser(XML_Parser parser); + +enum XML_Parsing { XML_INITIALIZED, XML_PARSING, XML_FINISHED, XML_SUSPENDED }; + +typedef struct { + enum XML_Parsing parsing; + XML_Bool finalBuffer; +} XML_ParsingStatus; + +/* Returns status of parser with respect to being initialized, parsing, + finished, or suspended and processing the final buffer. + XXX XML_Parse() and XML_ParseBuffer() should return XML_ParsingStatus, + XXX with XML_FINISHED_OK or XML_FINISHED_ERROR replacing XML_FINISHED +*/ +XMLPARSEAPI(void) +XML_GetParsingStatus(XML_Parser parser, XML_ParsingStatus *status); + +/* Creates an XML_Parser object that can parse an external general + entity; context is a '\0'-terminated string specifying the parse + context; encoding is a '\0'-terminated string giving the name of + the externally specified encoding, or NULL if there is no + externally specified encoding. The context string consists of a + sequence of tokens separated by formfeeds (\f); a token consisting + of a name specifies that the general entity of the name is open; a + token of the form prefix=uri specifies the namespace for a + particular prefix; a token of the form =uri specifies the default + namespace. This can be called at any point after the first call to + an ExternalEntityRefHandler so longer as the parser has not yet + been freed. The new parser is completely independent and may + safely be used in a separate thread. The handlers and userData are + initialized from the parser argument. Returns NULL if out of memory. + Otherwise returns a new XML_Parser object. +*/ +XMLPARSEAPI(XML_Parser) +XML_ExternalEntityParserCreate(XML_Parser parser, const XML_Char *context, + const XML_Char *encoding); + +enum XML_ParamEntityParsing { + XML_PARAM_ENTITY_PARSING_NEVER, + XML_PARAM_ENTITY_PARSING_UNLESS_STANDALONE, + XML_PARAM_ENTITY_PARSING_ALWAYS +}; + +/* Controls parsing of parameter entities (including the external DTD + subset). If parsing of parameter entities is enabled, then + references to external parameter entities (including the external + DTD subset) will be passed to the handler set with + XML_SetExternalEntityRefHandler. The context passed will be 0. + + Unlike external general entities, external parameter entities can + only be parsed synchronously. If the external parameter entity is + to be parsed, it must be parsed during the call to the external + entity ref handler: the complete sequence of + XML_ExternalEntityParserCreate, XML_Parse/XML_ParseBuffer and + XML_ParserFree calls must be made during this call. After + XML_ExternalEntityParserCreate has been called to create the parser + for the external parameter entity (context must be 0 for this + call), it is illegal to make any calls on the old parser until + XML_ParserFree has been called on the newly created parser. + If the library has been compiled without support for parameter + entity parsing (ie without XML_DTD being defined), then + XML_SetParamEntityParsing will return 0 if parsing of parameter + entities is requested; otherwise it will return non-zero. + Note: If XML_SetParamEntityParsing is called after XML_Parse or + XML_ParseBuffer, then it has no effect and will always return 0. + Note: If parser == NULL, the function will do nothing and return 0. +*/ +XMLPARSEAPI(int) +XML_SetParamEntityParsing(XML_Parser parser, + enum XML_ParamEntityParsing parsing); + +/* Sets the hash salt to use for internal hash calculations. + Helps in preventing DoS attacks based on predicting hash + function behavior. This must be called before parsing is started. + Returns 1 if successful, 0 when called after parsing has started. + Note: If parser == NULL, the function will do nothing and return 0. +*/ +XMLPARSEAPI(int) +XML_SetHashSalt(XML_Parser parser, unsigned long hash_salt); + +/* If XML_Parse or XML_ParseBuffer have returned XML_STATUS_ERROR, then + XML_GetErrorCode returns information about the error. +*/ +XMLPARSEAPI(enum XML_Error) +XML_GetErrorCode(XML_Parser parser); + +/* These functions return information about the current parse + location. They may be called from any callback called to report + some parse event; in this case the location is the location of the + first of the sequence of characters that generated the event. When + called from callbacks generated by declarations in the document + prologue, the location identified isn't as neatly defined, but will + be within the relevant markup. When called outside of the callback + functions, the position indicated will be just past the last parse + event (regardless of whether there was an associated callback). + + They may also be called after returning from a call to XML_Parse + or XML_ParseBuffer. If the return value is XML_STATUS_ERROR then + the location is the location of the character at which the error + was detected; otherwise the location is the location of the last + parse event, as described above. + + Note: XML_GetCurrentLineNumber and XML_GetCurrentColumnNumber + return 0 to indicate an error. + Note: XML_GetCurrentByteIndex returns -1 to indicate an error. +*/ +XMLPARSEAPI(XML_Size) XML_GetCurrentLineNumber(XML_Parser parser); +XMLPARSEAPI(XML_Size) XML_GetCurrentColumnNumber(XML_Parser parser); +XMLPARSEAPI(XML_Index) XML_GetCurrentByteIndex(XML_Parser parser); + +/* Return the number of bytes in the current event. + Returns 0 if the event is in an internal entity. +*/ +XMLPARSEAPI(int) +XML_GetCurrentByteCount(XML_Parser parser); + +/* If XML_CONTEXT_BYTES is defined, returns the input buffer, sets + the integer pointed to by offset to the offset within this buffer + of the current parse position, and sets the integer pointed to by size + to the size of this buffer (the number of input bytes). Otherwise + returns a NULL pointer. Also returns a NULL pointer if a parse isn't + active. + + NOTE: The character pointer returned should not be used outside + the handler that makes the call. +*/ +XMLPARSEAPI(const char *) +XML_GetInputContext(XML_Parser parser, int *offset, int *size); + +/* For backwards compatibility with previous versions. */ +#define XML_GetErrorLineNumber XML_GetCurrentLineNumber +#define XML_GetErrorColumnNumber XML_GetCurrentColumnNumber +#define XML_GetErrorByteIndex XML_GetCurrentByteIndex + +/* Frees the content model passed to the element declaration handler */ +XMLPARSEAPI(void) +XML_FreeContentModel(XML_Parser parser, XML_Content *model); + +/* Exposing the memory handling functions used in Expat */ +XMLPARSEAPI(void *) +XML_ATTR_MALLOC +XML_ATTR_ALLOC_SIZE(2) +XML_MemMalloc(XML_Parser parser, size_t size); + +XMLPARSEAPI(void *) +XML_ATTR_ALLOC_SIZE(3) +XML_MemRealloc(XML_Parser parser, void *ptr, size_t size); + +XMLPARSEAPI(void) +XML_MemFree(XML_Parser parser, void *ptr); + +/* Frees memory used by the parser. */ +XMLPARSEAPI(void) +XML_ParserFree(XML_Parser parser); + +/* Returns a string describing the error. */ +XMLPARSEAPI(const XML_LChar *) +XML_ErrorString(enum XML_Error code); + +/* Return a string containing the version number of this expat */ +XMLPARSEAPI(const XML_LChar *) +XML_ExpatVersion(void); + +typedef struct { + int major; + int minor; + int micro; +} XML_Expat_Version; + +/* Return an XML_Expat_Version structure containing numeric version + number information for this version of expat. +*/ +XMLPARSEAPI(XML_Expat_Version) +XML_ExpatVersionInfo(void); + +/* Added in Expat 1.95.5. */ +enum XML_FeatureEnum { + XML_FEATURE_END = 0, + XML_FEATURE_UNICODE, + XML_FEATURE_UNICODE_WCHAR_T, + XML_FEATURE_DTD, + XML_FEATURE_CONTEXT_BYTES, + XML_FEATURE_MIN_SIZE, + XML_FEATURE_SIZEOF_XML_CHAR, + XML_FEATURE_SIZEOF_XML_LCHAR, + XML_FEATURE_NS, + XML_FEATURE_LARGE_SIZE, XML_FEATURE_ATTR_INFO, /* Added in Expat 2.4.0. */ XML_FEATURE_BILLION_LAUGHS_ATTACK_PROTECTION_MAXIMUM_AMPLIFICATION_DEFAULT, XML_FEATURE_BILLION_LAUGHS_ATTACK_PROTECTION_ACTIVATION_THRESHOLD_DEFAULT - /* Additional features must be added to the end of this enum. */ -}; - -typedef struct { - enum XML_FeatureEnum feature; - const XML_LChar *name; - long int value; -} XML_Feature; - -XMLPARSEAPI(const XML_Feature *) -XML_GetFeatureList(void); - + /* Additional features must be added to the end of this enum. */ +}; + +typedef struct { + enum XML_FeatureEnum feature; + const XML_LChar *name; + long int value; +} XML_Feature; + +XMLPARSEAPI(const XML_Feature *) +XML_GetFeatureList(void); + #ifdef XML_DTD /* Added in Expat 2.4.0. */ XMLPARSEAPI(XML_Bool) @@ -1036,15 +1036,15 @@ XML_SetBillionLaughsAttackProtectionActivationThreshold( XML_Parser parser, unsigned long long activationThresholdBytes); #endif -/* Expat follows the semantic versioning convention. - See http://semver.org. -*/ -#define XML_MAJOR_VERSION 2 +/* Expat follows the semantic versioning convention. + See http://semver.org. +*/ +#define XML_MAJOR_VERSION 2 #define XML_MINOR_VERSION 4 #define XML_MICRO_VERSION 4 - -#ifdef __cplusplus -} -#endif - -#endif /* not Expat_INCLUDED */ + +#ifdef __cplusplus +} +#endif + +#endif /* not Expat_INCLUDED */ |