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Module parserInternals from libxml2

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this module exports a number of internal parsing routines they are not really all intended for applications but can prove useful doing low level processing.

Table of Contents

#define INPUT_CHUNK
#define IS_ASCII_DIGIT
#define IS_ASCII_LETTER
#define IS_BASECHAR
#define IS_BLANK
#define IS_BLANK_CH
#define IS_BYTE_CHAR
#define IS_CHAR
#define IS_CHAR_CH
#define IS_COMBINING
#define IS_COMBINING_CH
#define IS_DIGIT
#define IS_DIGIT_CH
#define IS_EXTENDER
#define IS_EXTENDER_CH
#define IS_IDEOGRAPHIC
#define IS_LETTER
#define IS_LETTER_CH
#define IS_PUBIDCHAR
#define IS_PUBIDCHAR_CH
#define MOVETO_ENDTAG
#define MOVETO_STARTTAG
#define SKIP_EOL
#define XML_MAX_DICTIONARY_LIMIT
#define XML_MAX_LOOKUP_LIMIT
#define XML_MAX_NAMELEN
#define XML_MAX_NAME_LENGTH
#define XML_MAX_TEXT_LENGTH
#define XML_SUBSTITUTE_BOTH
#define XML_SUBSTITUTE_NONE
#define XML_SUBSTITUTE_PEREF
#define XML_SUBSTITUTE_REF
htmlParserCtxtPtr	htmlCreateFileParserCtxt	(const char * filename, 
const char * encoding)
void	htmlInitAutoClose		(void)
xmlParserInputPtr	inputPop	(xmlParserCtxtPtr ctxt)
int	inputPush			(xmlParserCtxtPtr ctxt, 
xmlParserInputPtr value)
const xmlChar *	namePop			(xmlParserCtxtPtr ctxt)
int	namePush			(xmlParserCtxtPtr ctxt, 
const xmlChar * value)
xmlNodePtr	nodePop			(xmlParserCtxtPtr ctxt)
int	nodePush			(xmlParserCtxtPtr ctxt, 
xmlNodePtr value)
int	xmlCheckLanguageID		(const xmlChar * lang)
int	xmlCopyChar			(int len, 
xmlChar * out,
int val)
int	xmlCopyCharMultiByte		(xmlChar * out, 
int val)
xmlParserCtxtPtr	xmlCreateEntityParserCtxt	(const xmlChar * URL, 
const xmlChar * ID,
const xmlChar * base)
xmlParserCtxtPtr	xmlCreateFileParserCtxt	(const char * filename)
xmlParserCtxtPtr	xmlCreateMemoryParserCtxt	(const char * buffer, 
int size)
xmlParserCtxtPtr	xmlCreateURLParserCtxt	(const char * filename, 
int options)
int	xmlCurrentChar			(xmlParserCtxtPtr ctxt, 
int * len)
xmlChar *	xmlDecodeEntities	(xmlParserCtxtPtr ctxt, 
int len,
int what,
xmlChar end,
xmlChar end2,
xmlChar end3)
Function type: xmlEntityReferenceFunc
void	xmlEntityReferenceFunc		(xmlEntityPtr ent, 
xmlNodePtr firstNode,
xmlNodePtr lastNode)
void	xmlErrMemory			(xmlParserCtxtPtr ctxt, 
const char * extra)
void	xmlFreeInputStream		(xmlParserInputPtr input)
void	xmlHandleEntity			(xmlParserCtxtPtr ctxt, 
xmlEntityPtr entity)
int	xmlIsLetter			(int c)
xmlChar *	xmlNamespaceParseNCName	(xmlParserCtxtPtr ctxt)
xmlChar *	xmlNamespaceParseNSDef	(xmlParserCtxtPtr ctxt)
xmlChar *	xmlNamespaceParseQName	(xmlParserCtxtPtr ctxt, 
xmlChar ** prefix)
xmlParserInputPtr	xmlNewEntityInputStream	(xmlParserCtxtPtr ctxt, 
xmlEntityPtr entity)
xmlParserInputPtr	xmlNewInputFromFile	(xmlParserCtxtPtr ctxt, 
const char * filename)
xmlParserInputPtr	xmlNewInputStream	(xmlParserCtxtPtr ctxt)
xmlParserInputPtr	xmlNewStringInputStream	(xmlParserCtxtPtr ctxt, 
const xmlChar * buffer)
void	xmlNextChar			(xmlParserCtxtPtr ctxt)
xmlChar *	xmlParseAttValue	(xmlParserCtxtPtr ctxt)
const xmlChar *	xmlParseAttribute	(xmlParserCtxtPtr ctxt, 
xmlChar ** value)
void	xmlParseAttributeListDecl	(xmlParserCtxtPtr ctxt)
int	xmlParseAttributeType		(xmlParserCtxtPtr ctxt, 
xmlEnumerationPtr * tree)
void	xmlParseCDSect			(xmlParserCtxtPtr ctxt)
void	xmlParseCharData		(xmlParserCtxtPtr ctxt, 
int cdata)
int	xmlParseCharRef			(xmlParserCtxtPtr ctxt)
void	xmlParseComment			(xmlParserCtxtPtr ctxt)
void	xmlParseContent			(xmlParserCtxtPtr ctxt)
int	xmlParseDefaultDecl		(xmlParserCtxtPtr ctxt, 
xmlChar ** value)
void	xmlParseDocTypeDecl		(xmlParserCtxtPtr ctxt)
void	xmlParseElement			(xmlParserCtxtPtr ctxt)
xmlElementContentPtr	xmlParseElementChildrenContentDecl	(xmlParserCtxtPtr ctxt, 
int inputchk)
int	xmlParseElementContentDecl	(xmlParserCtxtPtr ctxt, 
const xmlChar * name,
xmlElementContentPtr * result)
int	xmlParseElementDecl		(xmlParserCtxtPtr ctxt)
xmlElementContentPtr	xmlParseElementMixedContentDecl	(xmlParserCtxtPtr ctxt, 
int inputchk)
xmlChar *	xmlParseEncName		(xmlParserCtxtPtr ctxt)
const xmlChar *	xmlParseEncodingDecl	(xmlParserCtxtPtr ctxt)
void	xmlParseEndTag			(xmlParserCtxtPtr ctxt)
void	xmlParseEntityDecl		(xmlParserCtxtPtr ctxt)
xmlEntityPtr	xmlParseEntityRef	(xmlParserCtxtPtr ctxt)
xmlChar *	xmlParseEntityValue	(xmlParserCtxtPtr ctxt, 
xmlChar ** orig)
int	xmlParseEnumeratedType		(xmlParserCtxtPtr ctxt, 
xmlEnumerationPtr * tree)
xmlEnumerationPtr	xmlParseEnumerationType	(xmlParserCtxtPtr ctxt)
xmlChar *	xmlParseExternalID	(xmlParserCtxtPtr ctxt, 
xmlChar ** publicID,
int strict)
void	xmlParseExternalSubset		(xmlParserCtxtPtr ctxt, 
const xmlChar * ExternalID,
const xmlChar * SystemID)
void	xmlParseMarkupDecl		(xmlParserCtxtPtr ctxt)
void	xmlParseMisc			(xmlParserCtxtPtr ctxt)
const xmlChar *	xmlParseName		(xmlParserCtxtPtr ctxt)
void	xmlParseNamespace		(xmlParserCtxtPtr ctxt)
xmlChar *	xmlParseNmtoken		(xmlParserCtxtPtr ctxt)
void	xmlParseNotationDecl		(xmlParserCtxtPtr ctxt)
xmlEnumerationPtr	xmlParseNotationType	(xmlParserCtxtPtr ctxt)
void	xmlParsePEReference		(xmlParserCtxtPtr ctxt)
void	xmlParsePI			(xmlParserCtxtPtr ctxt)
const xmlChar *	xmlParsePITarget	(xmlParserCtxtPtr ctxt)
xmlChar *	xmlParsePubidLiteral	(xmlParserCtxtPtr ctxt)
xmlChar *	xmlParseQuotedString	(xmlParserCtxtPtr ctxt)
void	xmlParseReference		(xmlParserCtxtPtr ctxt)
int	xmlParseSDDecl			(xmlParserCtxtPtr ctxt)
const xmlChar *	xmlParseStartTag	(xmlParserCtxtPtr ctxt)
xmlChar *	xmlParseSystemLiteral	(xmlParserCtxtPtr ctxt)
void	xmlParseTextDecl		(xmlParserCtxtPtr ctxt)
xmlChar *	xmlParseVersionInfo	(xmlParserCtxtPtr ctxt)
xmlChar *	xmlParseVersionNum	(xmlParserCtxtPtr ctxt)
void	xmlParseXMLDecl			(xmlParserCtxtPtr ctxt)
void	xmlParserHandlePEReference	(xmlParserCtxtPtr ctxt)
void	xmlParserHandleReference	(xmlParserCtxtPtr ctxt)
void	xmlParserInputShrink		(xmlParserInputPtr in)
xmlChar	xmlPopInput			(xmlParserCtxtPtr ctxt)
int	xmlPushInput			(xmlParserCtxtPtr ctxt, 
xmlParserInputPtr input)
xmlChar *	xmlScanName		(xmlParserCtxtPtr ctxt)
void	xmlSetEntityReferenceFunc	(xmlEntityReferenceFunc func)
int	xmlSkipBlankChars		(xmlParserCtxtPtr ctxt)
xmlChar *	xmlSplitQName		(xmlParserCtxtPtr ctxt, 
const xmlChar * name,
xmlChar ** prefix)
int	xmlStringCurrentChar		(xmlParserCtxtPtr ctxt, 
const xmlChar * cur,
int * len)
xmlChar *	xmlStringDecodeEntities	(xmlParserCtxtPtr ctxt, 
const xmlChar * str,
int what,
xmlChar end,
xmlChar end2,
xmlChar end3)
xmlChar *	xmlStringLenDecodeEntities	(xmlParserCtxtPtr ctxt, 
const xmlChar * str,
int len,
int what,
xmlChar end,
xmlChar end2,
xmlChar end3)
int	xmlSwitchEncoding		(xmlParserCtxtPtr ctxt, 
xmlCharEncoding enc)
int	xmlSwitchInputEncoding		(xmlParserCtxtPtr ctxt, 
xmlParserInputPtr input,
xmlCharEncodingHandlerPtr handler)
int	xmlSwitchToEncoding		(xmlParserCtxtPtr ctxt, 
xmlCharEncodingHandlerPtr handler)

Description

Macro: INPUT_CHUNK

#define INPUT_CHUNK

The parser tries to always have that amount of input ready. One of the point is providing context when reporting errors.

Macro: IS_ASCII_DIGIT

#define IS_ASCII_DIGIT

Macro to check [0-9]

Macro: IS_ASCII_LETTER

#define IS_ASCII_LETTER

Macro to check [a-zA-Z]

Macro: IS_BASECHAR

#define IS_BASECHAR

Macro to check the following production in the XML spec: [85] BaseChar ::= ... long list see REC ...

Macro: IS_BLANK

#define IS_BLANK

Macro to check the following production in the XML spec: [3] S ::= (#x20 | #x9 | #xD | #xA)+

Macro: IS_BLANK_CH

#define IS_BLANK_CH

Behaviour same as IS_BLANK

Macro: IS_BYTE_CHAR

#define IS_BYTE_CHAR

Macro to check the following production in the XML spec: [2] Char ::= #x9 | #xA | #xD | [#x20...] any byte character in the accepted range

Macro: IS_CHAR

#define IS_CHAR

Macro to check the following production in the XML spec: [2] Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF] any Unicode character, excluding the surrogate blocks, FFFE, and FFFF.

Macro: IS_CHAR_CH

#define IS_CHAR_CH

Behaves like IS_CHAR on single-byte value

Macro: IS_COMBINING

#define IS_COMBINING

Macro to check the following production in the XML spec: [87] CombiningChar ::= ... long list see REC ...

Macro: IS_COMBINING_CH

#define IS_COMBINING_CH

Always false (all combining chars > 0xff)

Macro: IS_DIGIT

#define IS_DIGIT

Macro to check the following production in the XML spec: [88] Digit ::= ... long list see REC ...

Macro: IS_DIGIT_CH

#define IS_DIGIT_CH

Behaves like IS_DIGIT but with a single byte argument

Macro: IS_EXTENDER

#define IS_EXTENDER

Macro to check the following production in the XML spec: [89] Extender ::= #x00B7 | #x02D0 | #x02D1 | #x0387 | #x0640 | #x0E46 | #x0EC6 | #x3005 | [#x3031-#x3035] | [#x309D-#x309E] | [#x30FC-#x30FE]

Macro: IS_EXTENDER_CH

#define IS_EXTENDER_CH

Behaves like IS_EXTENDER but with a single-byte argument

Macro: IS_IDEOGRAPHIC

#define IS_IDEOGRAPHIC

Macro to check the following production in the XML spec: [86] Ideographic ::= [#x4E00-#x9FA5] | #x3007 | [#x3021-#x3029]

Macro: IS_LETTER

#define IS_LETTER

Macro to check the following production in the XML spec: [84] Letter ::= BaseChar | Ideographic

Macro: IS_LETTER_CH

#define IS_LETTER_CH

Macro behaves like IS_LETTER, but only check base chars

Macro: IS_PUBIDCHAR

#define IS_PUBIDCHAR

Macro to check the following production in the XML spec: [13] PubidChar ::= #x20 | #xD | #xA | [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%]

Macro: IS_PUBIDCHAR_CH

#define IS_PUBIDCHAR_CH

Same as IS_PUBIDCHAR but for single-byte value

Macro: MOVETO_ENDTAG

#define MOVETO_ENDTAG

Skips to the next '>' char.

Macro: MOVETO_STARTTAG

#define MOVETO_STARTTAG

Skips to the next '<' char.

Macro: SKIP_EOL

#define SKIP_EOL

Skips the end of line chars.

Macro: XML_MAX_DICTIONARY_LIMIT

#define XML_MAX_DICTIONARY_LIMIT

Maximum size allowed by the parser for a dictionary by default This is not a limitation of the parser but a safety boundary feature, use XML_PARSE_HUGE option to override it. Introduced in 2.9.0

Macro: XML_MAX_LOOKUP_LIMIT

#define XML_MAX_LOOKUP_LIMIT

Maximum size allowed by the parser for ahead lookup This is an upper boundary enforced by the parser to avoid bad behaviour on "unfriendly' content Introduced in 2.9.0

Macro: XML_MAX_NAMELEN

#define XML_MAX_NAMELEN

Identifiers can be longer, but this will be more costly at runtime.

Macro: XML_MAX_NAME_LENGTH

#define XML_MAX_NAME_LENGTH

Maximum size allowed for a markup identifier. This is not a limitation of the parser but a safety boundary feature, use XML_PARSE_HUGE option to override it. Note that with the use of parsing dictionaries overriding the limit may result in more runtime memory usage in face of "unfriendly' content Introduced in 2.9.0

Macro: XML_MAX_TEXT_LENGTH

#define XML_MAX_TEXT_LENGTH

Maximum size allowed for a single text node when building a tree. This is not a limitation of the parser but a safety boundary feature, use XML_PARSE_HUGE option to override it. Introduced in 2.9.0

Macro: XML_SUBSTITUTE_BOTH

#define XML_SUBSTITUTE_BOTH

Both general and parameter entities need to be substituted.

Macro: XML_SUBSTITUTE_NONE

#define XML_SUBSTITUTE_NONE

If no entities need to be substituted.

Macro: XML_SUBSTITUTE_PEREF

#define XML_SUBSTITUTE_PEREF

Whether parameter entities need to be substituted.

Macro: XML_SUBSTITUTE_REF

#define XML_SUBSTITUTE_REF

Whether general entities need to be substituted.

Function: htmlCreateFileParserCtxt

htmlParserCtxtPtr	htmlCreateFileParserCtxt	(const char * filename, 
const char * encoding)

Create a parser context for a file content. Automatic support for ZLIB/Compress compressed document is provided by default if found at compile-time.

filename:the filename
encoding:a free form C string describing the HTML document encoding, or NULL
Returns:the new parser context or NULL

Function: htmlInitAutoClose

void	htmlInitAutoClose		(void)

Initialize the htmlStartCloseIndex for fast lookup of closing tags names. This is not reentrant. Call xmlInitParser() once before processing in case of use in multithreaded programs.

Function: inputPop

xmlParserInputPtr	inputPop	(xmlParserCtxtPtr ctxt)

Pops the top parser input from the input stack

ctxt:an XML parser context
Returns:the input just removed

Function: inputPush

int	inputPush			(xmlParserCtxtPtr ctxt, 
xmlParserInputPtr value)

Pushes a new parser input on top of the input stack

ctxt:an XML parser context
value:the parser input
Returns:-1 in case of error, the index in the stack otherwise

Function: namePop

const xmlChar *	namePop			(xmlParserCtxtPtr ctxt)

Pops the top element name from the name stack

ctxt:an XML parser context
Returns:the name just removed

Function: namePush

int	namePush			(xmlParserCtxtPtr ctxt, 
const xmlChar * value)

Pushes a new element name on top of the name stack

ctxt:an XML parser context
value:the element name
Returns:-1 in case of error, the index in the stack otherwise

Function: nodePop

xmlNodePtr	nodePop			(xmlParserCtxtPtr ctxt)

Pops the top element node from the node stack

ctxt:an XML parser context
Returns:the node just removed

Function: nodePush

int	nodePush			(xmlParserCtxtPtr ctxt, 
xmlNodePtr value)

Pushes a new element node on top of the node stack

ctxt:an XML parser context
value:the element node
Returns:-1 in case of error, the index in the stack otherwise

Function: xmlCheckLanguageID

int	xmlCheckLanguageID		(const xmlChar * lang)

Checks that the value conforms to the LanguageID production: NOTE: this is somewhat deprecated, those productions were removed from the XML Second edition. [33] LanguageID ::= Langcode ('-' Subcode)* [34] Langcode ::= ISO639Code | IanaCode | UserCode [35] ISO639Code ::= ([a-z] | [A-Z]) ([a-z] | [A-Z]) [36] IanaCode ::= ('i' | 'I') '-' ([a-z] | [A-Z])+ [37] UserCode ::= ('x' | 'X') '-' ([a-z] | [A-Z])+ [38] Subcode ::= ([a-z] | [A-Z])+ The current REC reference the successors of RFC 1766, currently 5646 http://www.rfc-editor.org/rfc/rfc5646.txt langtag = language ["-" script] ["-" region] *("-" variant) *("-" extension) ["-" privateuse] language = 2*3ALPHA ; shortest ISO 639 code ["-" extlang] ; sometimes followed by ; extended language subtags / 4ALPHA ; or reserved for future use / 5*8ALPHA ; or registered language subtag extlang = 3ALPHA ; selected ISO 639 codes *2("-" 3ALPHA) ; permanently reserved script = 4ALPHA ; ISO 15924 code region = 2ALPHA ; ISO 3166-1 code / 3DIGIT ; UN M.49 code variant = 5*8alphanum ; registered variants / (DIGIT 3alphanum) extension = singleton 1*("-" (2*8alphanum)) ; Single alphanumerics ; "x" reserved for private use singleton = DIGIT ; 0 - 9 / %x41-57 ; A - W / %x59-5A ; Y - Z / %x61-77 ; a - w / %x79-7A ; y - z it sounds right to still allow Irregular i-xxx IANA and user codes too The parser below doesn't try to cope with extension or privateuse that could be added but that's not interoperable anyway

lang:pointer to the string value
Returns:1 if correct 0 otherwise

Function: xmlCopyChar

int	xmlCopyChar			(int len, 
xmlChar * out,
int val)

append the char value in the array

len:Ignored, compatibility
out:pointer to an array of xmlChar
val:the char value
Returns:the number of xmlChar written

Function: xmlCopyCharMultiByte

int	xmlCopyCharMultiByte		(xmlChar * out, 
int val)

append the char value in the array

out:pointer to an array of xmlChar
val:the char value
Returns:the number of xmlChar written

Function: xmlCreateEntityParserCtxt

xmlParserCtxtPtr	xmlCreateEntityParserCtxt	(const xmlChar * URL, 
const xmlChar * ID,
const xmlChar * base)

Create a parser context for an external entity Automatic support for ZLIB/Compress compressed document is provided by default if found at compile-time.

URL:the entity URL
ID:the entity PUBLIC ID
base:a possible base for the target URI
Returns:the new parser context or NULL

Function: xmlCreateFileParserCtxt

xmlParserCtxtPtr	xmlCreateFileParserCtxt	(const char * filename)

Create a parser context for a file content. Automatic support for ZLIB/Compress compressed document is provided by default if found at compile-time.

filename:the filename
Returns:the new parser context or NULL

Function: xmlCreateMemoryParserCtxt

xmlParserCtxtPtr	xmlCreateMemoryParserCtxt	(const char * buffer, 
int size)

Create a parser context for an XML in-memory document.

buffer:a pointer to a char array
size:the size of the array
Returns:the new parser context or NULL

Function: xmlCreateURLParserCtxt

xmlParserCtxtPtr	xmlCreateURLParserCtxt	(const char * filename, 
int options)

Create a parser context for a file or URL content. Automatic support for ZLIB/Compress compressed document is provided by default if found at compile-time and for file accesses

filename:the filename or URL
options:a combination of xmlParserOption
Returns:the new parser context or NULL

Function: xmlCurrentChar

int	xmlCurrentChar			(xmlParserCtxtPtr ctxt, 
int * len)

The current char value, if using UTF-8 this may actually span multiple bytes in the input buffer. Implement the end of line normalization: 2.11 End-of-Line Handling Wherever an external parsed entity or the literal entity value of an internal parsed entity contains either the literal two-character sequence "#xD#xA" or a standalone literal #xD, an XML processor must pass to the application the single character #xA. This behavior can conveniently be produced by normalizing all line breaks to #xA on input, before parsing.)

ctxt:the XML parser context
len:pointer to the length of the char read
Returns:the current char value and its length

Function: xmlDecodeEntities

xmlChar *	xmlDecodeEntities	(xmlParserCtxtPtr ctxt, 
int len,
int what,
xmlChar end,
xmlChar end2,
xmlChar end3)

This function is deprecated, we now always process entities content through xmlStringDecodeEntities TODO: remove it in next major release. [67] Reference ::= EntityRef | CharRef [69] PEReference ::= '%' Name ';'

ctxt:the parser context
len:the len to decode (in bytes !), -1 for no size limit
what:combination of XML_SUBSTITUTE_REF and XML_SUBSTITUTE_PEREF
end:an end marker xmlChar, 0 if none
end2:an end marker xmlChar, 0 if none
end3:an end marker xmlChar, 0 if none
Returns:A newly allocated string with the substitution done. The caller must deallocate it !

Function type: xmlEntityReferenceFunc

Function type: xmlEntityReferenceFunc
void	xmlEntityReferenceFunc		(xmlEntityPtr ent, 
xmlNodePtr firstNode,
xmlNodePtr lastNode)

Callback function used when one needs to be able to track back the provenance of a chunk of nodes inherited from an entity replacement.

ent:the entity
firstNode:the fist node in the chunk
lastNode:the last nod in the chunk

Function: xmlErrMemory

void	xmlErrMemory			(xmlParserCtxtPtr ctxt, 
const char * extra)

Handle a redefinition of attribute error

ctxt:an XML parser context
extra:extra informations

Function: xmlFreeInputStream

void	xmlFreeInputStream		(xmlParserInputPtr input)

Free up an input stream.

Function: xmlHandleEntity

void	xmlHandleEntity			(xmlParserCtxtPtr ctxt, 
xmlEntityPtr entity)

Default handling of defined entities, when should we define a new input stream ? When do we just handle that as a set of chars ? OBSOLETE: to be removed at some point.

ctxt:an XML parser context
entity:an XML entity pointer.

Function: xmlIsLetter

int	xmlIsLetter			(int c)

Check whether the character is allowed by the production [84] Letter ::= BaseChar | Ideographic

c:an unicode character (int)
Returns:0 if not, non-zero otherwise

Function: xmlNamespaceParseNCName

xmlChar *	xmlNamespaceParseNCName	(xmlParserCtxtPtr ctxt)

parse an XML namespace name. TODO: this seems not in use anymore, the namespace handling is done on top of the SAX interfaces, i.e. not on raw input. [NS 3] NCName ::= (Letter | '_') (NCNameChar)* [NS 4] NCNameChar ::= Letter | Digit | '.' | '-' | '_' | CombiningChar | Extender

ctxt:an XML parser context
Returns:the namespace name or NULL

Function: xmlNamespaceParseNSDef

xmlChar *	xmlNamespaceParseNSDef	(xmlParserCtxtPtr ctxt)

parse a namespace prefix declaration TODO: this seems not in use anymore, the namespace handling is done on top of the SAX interfaces, i.e. not on raw input. [NS 1] NSDef ::= PrefixDef Eq SystemLiteral [NS 2] PrefixDef ::= 'xmlns' (':' NCName)?

ctxt:an XML parser context
Returns:the namespace name

Function: xmlNamespaceParseQName

xmlChar *	xmlNamespaceParseQName	(xmlParserCtxtPtr ctxt, 
xmlChar ** prefix)

TODO: this seems not in use anymore, the namespace handling is done on top of the SAX interfaces, i.e. not on raw input. parse an XML qualified name [NS 5] QName ::= (Prefix ':')? LocalPart [NS 6] Prefix ::= NCName [NS 7] LocalPart ::= NCName

ctxt:an XML parser context
prefix:a xmlChar **
Returns:the local part, and prefix is updated to get the Prefix if any.

Function: xmlNewEntityInputStream

xmlParserInputPtr	xmlNewEntityInputStream	(xmlParserCtxtPtr ctxt, 
xmlEntityPtr entity)

Create a new input stream based on an xmlEntityPtr

ctxt:an XML parser context
entity:an Entity pointer
Returns:the new input stream or NULL

Function: xmlNewInputFromFile

xmlParserInputPtr	xmlNewInputFromFile	(xmlParserCtxtPtr ctxt, 
const char * filename)

Create a new input stream based on a file or an URL.

ctxt:an XML parser context
filename:the filename to use as entity
Returns:the new input stream or NULL in case of error

Function: xmlNewInputStream

xmlParserInputPtr	xmlNewInputStream	(xmlParserCtxtPtr ctxt)

Create a new input stream structure.

ctxt:an XML parser context
Returns:the new input stream or NULL

Function: xmlNewStringInputStream

xmlParserInputPtr	xmlNewStringInputStream	(xmlParserCtxtPtr ctxt, 
const xmlChar * buffer)

Create a new input stream based on a memory buffer.

ctxt:an XML parser context
buffer:an memory buffer
Returns:the new input stream

Function: xmlNextChar

void	xmlNextChar			(xmlParserCtxtPtr ctxt)

Skip to the next char input char.

ctxt:the XML parser context

Function: xmlParseAttValue

xmlChar *	xmlParseAttValue	(xmlParserCtxtPtr ctxt)

parse a value for an attribute Note: the parser won't do substitution of entities here, this will be handled later in xmlStringGetNodeList [10] AttValue ::= '"' ([^<&"] | Reference)* '"' | "'" ([^<&'] | Reference)* "'" 3.3.3 Attribute-Value Normalization: Before the value of an attribute is passed to the application or checked for validity, the XML processor must normalize it as follows: - a character reference is processed by appending the referenced character to the attribute value - an entity reference is processed by recursively processing the replacement text of the entity - a whitespace character (#x20, #xD, #xA, #x9) is processed by appending #x20 to the normalized value, except that only a single #x20 is appended for a "#xD#xA" sequence that is part of an external parsed entity or the literal entity value of an internal parsed entity - other characters are processed by appending them to the normalized value If the declared value is not CDATA, then the XML processor must further process the normalized attribute value by discarding any leading and trailing space (#x20) characters, and by replacing sequences of space (#x20) characters by a single space (#x20) character. All attributes for which no declaration has been read should be treated by a non-validating parser as if declared CDATA.

ctxt:an XML parser context
Returns:the AttValue parsed or NULL. The value has to be freed by the caller.

Function: xmlParseAttribute

const xmlChar *	xmlParseAttribute	(xmlParserCtxtPtr ctxt, 
xmlChar ** value)

parse an attribute [41] Attribute ::= Name Eq AttValue [ WFC: No External Entity References ] Attribute values cannot contain direct or indirect entity references to external entities. [ WFC: No < in Attribute Values ] The replacement text of any entity referred to directly or indirectly in an attribute value (other than "&lt;") must not contain a <. [ VC: Attribute Value Type ] The attribute must have been declared; the value must be of the type declared for it. [25] Eq ::= S? '=' S? With namespace: [NS 11] Attribute ::= QName Eq AttValue Also the case QName == xmlns:??? is handled independently as a namespace definition.

ctxt:an XML parser context
value:a xmlChar ** used to store the value of the attribute
Returns:the attribute name, and the value in *value.

Function: xmlParseAttributeListDecl

void	xmlParseAttributeListDecl	(xmlParserCtxtPtr ctxt)

: parse the Attribute list def for an element [52] AttlistDecl ::= '<!ATTLIST' S Name AttDef* S? '>' [53] AttDef ::= S Name S AttType S DefaultDecl

ctxt:an XML parser context

Function: xmlParseAttributeType

int	xmlParseAttributeType		(xmlParserCtxtPtr ctxt, 
xmlEnumerationPtr * tree)

parse the Attribute list def for an element [54] AttType ::= StringType | TokenizedType | EnumeratedType [55] StringType ::= 'CDATA' [56] TokenizedType ::= 'ID' | 'IDREF' | 'IDREFS' | 'ENTITY' | 'ENTITIES' | 'NMTOKEN' | 'NMTOKENS' Validity constraints for attribute values syntax are checked in xmlValidateAttributeValue() [ VC: ID ] Values of type ID must match the Name production. A name must not appear more than once in an XML document as a value of this type; i.e., ID values must uniquely identify the elements which bear them. [ VC: One ID per Element Type ] No element type may have more than one ID attribute specified. [ VC: ID Attribute Default ] An ID attribute must have a declared default of #IMPLIED or #REQUIRED. [ VC: IDREF ] Values of type IDREF must match the Name production, and values of type IDREFS must match Names; each IDREF Name must match the value of an ID attribute on some element in the XML document; i.e. IDREF values must match the value of some ID attribute. [ VC: Entity Name ] Values of type ENTITY must match the Name production, values of type ENTITIES must match Names; each Entity Name must match the name of an unparsed entity declared in the DTD. [ VC: Name Token ] Values of type NMTOKEN must match the Nmtoken production; values of type NMTOKENS must match Nmtokens.

ctxt:an XML parser context
tree:the enumeration tree built while parsing
Returns:the attribute type

Function: xmlParseCDSect

void	xmlParseCDSect			(xmlParserCtxtPtr ctxt)

Parse escaped pure raw content. [18] CDSect ::= CDStart CData CDEnd [19] CDStart ::= '<![CDATA[' [20] Data ::= (Char* - (Char* ']]>' Char*)) [21] CDEnd ::= ']]>'

ctxt:an XML parser context

Function: xmlParseCharData

void	xmlParseCharData		(xmlParserCtxtPtr ctxt, 
int cdata)

parse a CharData section. if we are within a CDATA section ']]>' marks an end of section. The right angle bracket (>) may be represented using the string "&gt;", and must, for compatibility, be escaped using "&gt;" or a character reference when it appears in the string "]]>" in content, when that string is not marking the end of a CDATA section. [14] CharData ::= [^<&]* - ([^<&]* ']]>' [^<&]*)

ctxt:an XML parser context
cdata:int indicating whether we are within a CDATA section

Function: xmlParseCharRef

int	xmlParseCharRef			(xmlParserCtxtPtr ctxt)

parse Reference declarations [66] CharRef ::= '&#' [0-9]+ ';' | '&#x' [0-9a-fA-F]+ ';' [ WFC: Legal Character ] Characters referred to using character references must match the production for Char.

ctxt:an XML parser context
Returns:the value parsed (as an int), 0 in case of error

Function: xmlParseComment

void	xmlParseComment			(xmlParserCtxtPtr ctxt)

Skip an XML (SGML) comment <!-- .... --> The spec says that "For compatibility, the string "--" (double-hyphen) must not occur within comments. " [15] Comment ::= '<!--' ((Char - '-') | ('-' (Char - '-')))* '-->'

ctxt:an XML parser context

Function: xmlParseContent

void	xmlParseContent			(xmlParserCtxtPtr ctxt)

Parse a content: [43] content ::= (element | CharData | Reference | CDSect | PI | Comment)*

ctxt:an XML parser context

Function: xmlParseDefaultDecl

int	xmlParseDefaultDecl		(xmlParserCtxtPtr ctxt, 
xmlChar ** value)

Parse an attribute default declaration [60] DefaultDecl ::= '#REQUIRED' | '#IMPLIED' | (('#FIXED' S)? AttValue) [ VC: Required Attribute ] if the default declaration is the keyword #REQUIRED, then the attribute must be specified for all elements of the type in the attribute-list declaration. [ VC: Attribute Default Legal ] The declared default value must meet the lexical constraints of the declared attribute type c.f. xmlValidateAttributeDecl() [ VC: Fixed Attribute Default ] if an attribute has a default value declared with the #FIXED keyword, instances of that attribute must match the default value. [ WFC: No < in Attribute Values ] handled in xmlParseAttValue()

ctxt:an XML parser context
value:Receive a possible fixed default value for the attribute
Returns:XML_ATTRIBUTE_NONE, XML_ATTRIBUTE_REQUIRED, XML_ATTRIBUTE_IMPLIED or XML_ATTRIBUTE_FIXED.

Function: xmlParseDocTypeDecl

void	xmlParseDocTypeDecl		(xmlParserCtxtPtr ctxt)

parse a DOCTYPE declaration [28] doctypedecl ::= '<!DOCTYPE' S Name (S ExternalID)? S? ('[' (markupdecl | PEReference | S)* ']' S?)? '>' [ VC: Root Element Type ] The Name in the document type declaration must match the element type of the root element.

ctxt:an XML parser context

Function: xmlParseElement

void	xmlParseElement			(xmlParserCtxtPtr ctxt)

parse an XML element [39] element ::= EmptyElemTag | STag content ETag [ WFC: Element Type Match ] The Name in an element's end-tag must match the element type in the start-tag.

ctxt:an XML parser context

Function: xmlParseElementChildrenContentDecl

xmlElementContentPtr	xmlParseElementChildrenContentDecl	(xmlParserCtxtPtr ctxt, 
int inputchk)

parse the declaration for a Mixed Element content The leading '(' and spaces have been skipped in xmlParseElementContentDecl [47] children ::= (choice | seq) ('?' | '*' | '+')? [48] cp ::= (Name | choice | seq) ('?' | '*' | '+')? [49] choice ::= '(' S? cp ( S? '|' S? cp )* S? ')' [50] seq ::= '(' S? cp ( S? ',' S? cp )* S? ')' [ VC: Proper Group/PE Nesting ] applies to [49] and [50] TODO Parameter-entity replacement text must be properly nested with parenthesized groups. That is to say, if either of the opening or closing parentheses in a choice, seq, or Mixed construct is contained in the replacement text for a parameter entity, both must be contained in the same replacement text. For interoperability, if a parameter-entity reference appears in a choice, seq, or Mixed construct, its replacement text should not be empty, and neither the first nor last non-blank character of the replacement text should be a connector (| or ,).

ctxt:an XML parser context
inputchk:the input used for the current entity, needed for boundary checks
Returns:the tree of xmlElementContentPtr describing the element hierarchy.

Function: xmlParseElementContentDecl

int	xmlParseElementContentDecl	(xmlParserCtxtPtr ctxt, 
const xmlChar * name,
xmlElementContentPtr * result)

parse the declaration for an Element content either Mixed or Children, the cases EMPTY and ANY are handled directly in xmlParseElementDecl [46] contentspec ::= 'EMPTY' | 'ANY' | Mixed | children

ctxt:an XML parser context
name:the name of the element being defined.
result:the Element Content pointer will be stored here if any
Returns:the type of element content XML_ELEMENT_TYPE_xxx

Function: xmlParseElementDecl

int	xmlParseElementDecl		(xmlParserCtxtPtr ctxt)

parse an Element declaration. [45] elementdecl ::= '<!ELEMENT' S Name S contentspec S? '>' [ VC: Unique Element Type Declaration ] No element type may be declared more than once

ctxt:an XML parser context
Returns:the type of the element, or -1 in case of error

Function: xmlParseElementMixedContentDecl

xmlElementContentPtr	xmlParseElementMixedContentDecl	(xmlParserCtxtPtr ctxt, 
int inputchk)

parse the declaration for a Mixed Element content The leading '(' and spaces have been skipped in xmlParseElementContentDecl [51] Mixed ::= '(' S? '#PCDATA' (S? '|' S? Name)* S? ')*' | '(' S? '#PCDATA' S? ')' [ VC: Proper Group/PE Nesting ] applies to [51] too (see [49]) [ VC: No Duplicate Types ] The same name must not appear more than once in a single mixed-content declaration.

ctxt:an XML parser context
inputchk:the input used for the current entity, needed for boundary checks
Returns:the list of the xmlElementContentPtr describing the element choices

Function: xmlParseEncName

xmlChar *	xmlParseEncName		(xmlParserCtxtPtr ctxt)

parse the XML encoding name [81] EncName ::= [A-Za-z] ([A-Za-z0-9._] | '-')*

ctxt:an XML parser context
Returns:the encoding name value or NULL

Function: xmlParseEncodingDecl

const xmlChar *	xmlParseEncodingDecl	(xmlParserCtxtPtr ctxt)

parse the XML encoding declaration [80] EncodingDecl ::= S 'encoding' Eq ('"' EncName '"' | "'" EncName "'") this setups the conversion filters.

ctxt:an XML parser context
Returns:the encoding value or NULL

Function: xmlParseEndTag

void	xmlParseEndTag			(xmlParserCtxtPtr ctxt)

parse an end of tag [42] ETag ::= '</' Name S? '>' With namespace [NS 9] ETag ::= '</' QName S? '>'

ctxt:an XML parser context

Function: xmlParseEntityDecl

void	xmlParseEntityDecl		(xmlParserCtxtPtr ctxt)

parse <!ENTITY declarations [70] EntityDecl ::= GEDecl | PEDecl [71] GEDecl ::= '<!ENTITY' S Name S EntityDef S? '>' [72] PEDecl ::= '<!ENTITY' S '%' S Name S PEDef S? '>' [73] EntityDef ::= EntityValue | (ExternalID NDataDecl?) [74] PEDef ::= EntityValue | ExternalID [76] NDataDecl ::= S 'NDATA' S Name [ VC: Notation Declared ] The Name must match the declared name of a notation.

ctxt:an XML parser context

Function: xmlParseEntityRef

xmlEntityPtr	xmlParseEntityRef	(xmlParserCtxtPtr ctxt)

parse ENTITY references declarations [68] EntityRef ::= '&' Name ';' [ WFC: Entity Declared ] In a document without any DTD, a document with only an internal DTD subset which contains no parameter entity references, or a document with "standalone='yes'", the Name given in the entity reference must match that in an entity declaration, except that well-formed documents need not declare any of the following entities: amp, lt, gt, apos, quot. The declaration of a parameter entity must precede any reference to it. Similarly, the declaration of a general entity must precede any reference to it which appears in a default value in an attribute-list declaration. Note that if entities are declared in the external subset or in external parameter entities, a non-validating processor is not obligated to read and process their declarations; for such documents, the rule that an entity must be declared is a well-formedness constraint only if standalone='yes'. [ WFC: Parsed Entity ] An entity reference must not contain the name of an unparsed entity

ctxt:an XML parser context
Returns:the xmlEntityPtr if found, or NULL otherwise.

Function: xmlParseEntityValue

xmlChar *	xmlParseEntityValue	(xmlParserCtxtPtr ctxt, 
xmlChar ** orig)

parse a value for ENTITY declarations [9] EntityValue ::= '"' ([^%&"] | PEReference | Reference)* '"' | "'" ([^%&'] | PEReference | Reference)* "'"

ctxt:an XML parser context
orig:if non-NULL store a copy of the original entity value
Returns:the EntityValue parsed with reference substituted or NULL

Function: xmlParseEnumeratedType

int	xmlParseEnumeratedType		(xmlParserCtxtPtr ctxt, 
xmlEnumerationPtr * tree)

parse an Enumerated attribute type. [57] EnumeratedType ::= NotationType | Enumeration [58] NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')'

ctxt:an XML parser context
tree:the enumeration tree built while parsing
Returns:XML_ATTRIBUTE_ENUMERATION or XML_ATTRIBUTE_NOTATION

Function: xmlParseEnumerationType

xmlEnumerationPtr	xmlParseEnumerationType	(xmlParserCtxtPtr ctxt)

parse an Enumeration attribute type. [59] Enumeration ::= '(' S? Nmtoken (S? '|' S? Nmtoken)* S? ')' [ VC: Enumeration ] Values of this type must match one of the Nmtoken tokens in the declaration

ctxt:an XML parser context
Returns:the enumeration attribute tree built while parsing

Function: xmlParseExternalID

xmlChar *	xmlParseExternalID	(xmlParserCtxtPtr ctxt, 
xmlChar ** publicID,
int strict)

Parse an External ID or a Public ID NOTE: Productions [75] and [83] interact badly since [75] can generate 'PUBLIC' S PubidLiteral S SystemLiteral [75] ExternalID ::= 'SYSTEM' S SystemLiteral | 'PUBLIC' S PubidLiteral S SystemLiteral [83] PublicID ::= 'PUBLIC' S PubidLiteral

ctxt:an XML parser context
publicID:a xmlChar** receiving PubidLiteral
strict:indicate whether we should restrict parsing to only production [75], see NOTE below
Returns:the function returns SystemLiteral and in the second case publicID receives PubidLiteral, is strict is off it is possible to return NULL and have publicID set.

Function: xmlParseExternalSubset

void	xmlParseExternalSubset		(xmlParserCtxtPtr ctxt, 
const xmlChar * ExternalID,
const xmlChar * SystemID)

parse Markup declarations from an external subset [30] extSubset ::= textDecl? extSubsetDecl [31] extSubsetDecl ::= (markupdecl | conditionalSect | PEReference | S) *

ctxt:an XML parser context
ExternalID:the external identifier
SystemID:the system identifier (or URL)

Function: xmlParseMarkupDecl

void	xmlParseMarkupDecl		(xmlParserCtxtPtr ctxt)

parse Markup declarations [29] markupdecl ::= elementdecl | AttlistDecl | EntityDecl | NotationDecl | PI | Comment [ VC: Proper Declaration/PE Nesting ] Parameter-entity replacement text must be properly nested with markup declarations. That is to say, if either the first character or the last character of a markup declaration (markupdecl above) is contained in the replacement text for a parameter-entity reference, both must be contained in the same replacement text. [ WFC: PEs in Internal Subset ] In the internal DTD subset, parameter-entity references can occur only where markup declarations can occur, not within markup declarations. (This does not apply to references that occur in external parameter entities or to the external subset.)

ctxt:an XML parser context

Function: xmlParseMisc

void	xmlParseMisc			(xmlParserCtxtPtr ctxt)

parse an XML Misc* optional field. [27] Misc ::= Comment | PI | S

ctxt:an XML parser context

Function: xmlParseName

const xmlChar *	xmlParseName		(xmlParserCtxtPtr ctxt)

parse an XML name. [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' | CombiningChar | Extender [5] Name ::= (Letter | '_' | ':') (NameChar)* [6] Names ::= Name (#x20 Name)*

ctxt:an XML parser context
Returns:the Name parsed or NULL

Function: xmlParseNamespace

void	xmlParseNamespace		(xmlParserCtxtPtr ctxt)

xmlParseNamespace: parse specific PI '<?namespace ...' constructs. This is what the older xml-name Working Draft specified, a bunch of other stuff may still rely on it, so support is still here as if it was declared on the root of the Tree:-( TODO: remove from library To be removed at next drop of binary compatibility

ctxt:an XML parser context

Function: xmlParseNmtoken

xmlChar *	xmlParseNmtoken		(xmlParserCtxtPtr ctxt)

parse an XML Nmtoken. [7] Nmtoken ::= (NameChar)+ [8] Nmtokens ::= Nmtoken (#x20 Nmtoken)*

ctxt:an XML parser context
Returns:the Nmtoken parsed or NULL

Function: xmlParseNotationDecl

void	xmlParseNotationDecl		(xmlParserCtxtPtr ctxt)

parse a notation declaration [82] NotationDecl ::= '<!NOTATION' S Name S (ExternalID | PublicID) S? '>' Hence there is actually 3 choices: 'PUBLIC' S PubidLiteral 'PUBLIC' S PubidLiteral S SystemLiteral and 'SYSTEM' S SystemLiteral See the NOTE on xmlParseExternalID().

ctxt:an XML parser context

Function: xmlParseNotationType

xmlEnumerationPtr	xmlParseNotationType	(xmlParserCtxtPtr ctxt)

parse an Notation attribute type. Note: the leading 'NOTATION' S part has already being parsed... [58] NotationType ::= 'NOTATION' S '(' S? Name (S? '|' S? Name)* S? ')' [ VC: Notation Attributes ] Values of this type must match one of the notation names included in the declaration; all notation names in the declaration must be declared.

ctxt:an XML parser context
Returns:the notation attribute tree built while parsing

Function: xmlParsePEReference

void	xmlParsePEReference		(xmlParserCtxtPtr ctxt)

parse PEReference declarations The entity content is handled directly by pushing it's content as a new input stream. [69] PEReference ::= '%' Name ';' [ WFC: No Recursion ] A parsed entity must not contain a recursive reference to itself, either directly or indirectly. [ WFC: Entity Declared ] In a document without any DTD, a document with only an internal DTD subset which contains no parameter entity references, or a document with "standalone='yes'", ... ... The declaration of a parameter entity must precede any reference to it... [ VC: Entity Declared ] In a document with an external subset or external parameter entities with "standalone='no'", ... ... The declaration of a parameter entity must precede any reference to it... [ WFC: In DTD ] Parameter-entity references may only appear in the DTD. NOTE: misleading but this is handled.

ctxt:an XML parser context

Function: xmlParsePI

void	xmlParsePI			(xmlParserCtxtPtr ctxt)

parse an XML Processing Instruction. [16] PI ::= '<?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>' The processing is transferred to SAX once parsed.

ctxt:an XML parser context

Function: xmlParsePITarget

const xmlChar *	xmlParsePITarget	(xmlParserCtxtPtr ctxt)

parse the name of a PI [17] PITarget ::= Name - (('X' | 'x') ('M' | 'm') ('L' | 'l'))

ctxt:an XML parser context
Returns:the PITarget name or NULL

Function: xmlParsePubidLiteral

xmlChar *	xmlParsePubidLiteral	(xmlParserCtxtPtr ctxt)

parse an XML public literal [12] PubidLiteral ::= '"' PubidChar* '"' | "'" (PubidChar - "'")* "'"

ctxt:an XML parser context
Returns:the PubidLiteral parsed or NULL.

Function: xmlParseQuotedString

xmlChar *	xmlParseQuotedString	(xmlParserCtxtPtr ctxt)

Parse and return a string between quotes or doublequotes TODO: Deprecated, to be removed at next drop of binary compatibility

ctxt:an XML parser context
Returns:the string parser or NULL.

Function: xmlParseReference

void	xmlParseReference		(xmlParserCtxtPtr ctxt)

parse and handle entity references in content, depending on the SAX interface, this may end-up in a call to character() if this is a CharRef, a predefined entity, if there is no reference() callback. or if the parser was asked to switch to that mode. [67] Reference ::= EntityRef | CharRef

ctxt:an XML parser context

Function: xmlParseSDDecl

int	xmlParseSDDecl			(xmlParserCtxtPtr ctxt)

parse the XML standalone declaration [32] SDDecl ::= S 'standalone' Eq (("'" ('yes' | 'no') "'") | ('"' ('yes' | 'no')'"')) [ VC: Standalone Document Declaration ] TODO The standalone document declaration must have the value "no" if any external markup declarations contain declarations of: - attributes with default values, if elements to which these attributes apply appear in the document without specifications of values for these attributes, or - entities (other than amp, lt, gt, apos, quot), if references to those entities appear in the document, or - attributes with values subject to normalization, where the attribute appears in the document with a value which will change as a result of normalization, or - element types with element content, if white space occurs directly within any instance of those types.

ctxt:an XML parser context
Returns:1 if standalone="yes" 0 if standalone="no" -2 if standalone attribute is missing or invalid (A standalone value of -2 means that the XML declaration was found, but no value was specified for the standalone attribute).

Function: xmlParseStartTag

const xmlChar *	xmlParseStartTag	(xmlParserCtxtPtr ctxt)

parse a start of tag either for rule element or EmptyElement. In both case we don't parse the tag closing chars. [40] STag ::= '<' Name (S Attribute)* S? '>' [ WFC: Unique Att Spec ] No attribute name may appear more than once in the same start-tag or empty-element tag. [44] EmptyElemTag ::= '<' Name (S Attribute)* S? '/>' [ WFC: Unique Att Spec ] No attribute name may appear more than once in the same start-tag or empty-element tag. With namespace: [NS 8] STag ::= '<' QName (S Attribute)* S? '>' [NS 10] EmptyElement ::= '<' QName (S Attribute)* S? '/>'

ctxt:an XML parser context
Returns:the element name parsed

Function: xmlParseSystemLiteral

xmlChar *	xmlParseSystemLiteral	(xmlParserCtxtPtr ctxt)

parse an XML Literal [11] SystemLiteral ::= ('"' [^"]* '"') | ("'" [^']* "'")

ctxt:an XML parser context
Returns:the SystemLiteral parsed or NULL

Function: xmlParseTextDecl

void	xmlParseTextDecl		(xmlParserCtxtPtr ctxt)

parse an XML declaration header for external entities [77] TextDecl ::= '<?xml' VersionInfo? EncodingDecl S? '?>'

ctxt:an XML parser context

Function: xmlParseVersionInfo

xmlChar *	xmlParseVersionInfo	(xmlParserCtxtPtr ctxt)

parse the XML version. [24] VersionInfo ::= S 'version' Eq (' VersionNum ' | " VersionNum ") [25] Eq ::= S? '=' S?

ctxt:an XML parser context
Returns:the version string, e.g. "1.0"

Function: xmlParseVersionNum

xmlChar *	xmlParseVersionNum	(xmlParserCtxtPtr ctxt)

parse the XML version value. [26] VersionNum ::= '1.' [0-9]+ In practice allow [0-9].[0-9]+ at that level

ctxt:an XML parser context
Returns:the string giving the XML version number, or NULL

Function: xmlParseXMLDecl

void	xmlParseXMLDecl			(xmlParserCtxtPtr ctxt)

parse an XML declaration header [23] XMLDecl ::= '<?xml' VersionInfo EncodingDecl? SDDecl? S? '?>'

ctxt:an XML parser context

Function: xmlParserHandlePEReference

void	xmlParserHandlePEReference	(xmlParserCtxtPtr ctxt)

[69] PEReference ::= '%' Name ';' [ WFC: No Recursion ] A parsed entity must not contain a recursive reference to itself, either directly or indirectly. [ WFC: Entity Declared ] In a document without any DTD, a document with only an internal DTD subset which contains no parameter entity references, or a document with "standalone='yes'", ... ... The declaration of a parameter entity must precede any reference to it... [ VC: Entity Declared ] In a document with an external subset or external parameter entities with "standalone='no'", ... ... The declaration of a parameter entity must precede any reference to it... [ WFC: In DTD ] Parameter-entity references may only appear in the DTD. NOTE: misleading but this is handled. A PEReference may have been detected in the current input stream the handling is done accordingly to http://www.w3.org/TR/REC-xml#entproc i.e. - Included in literal in entity values - Included as Parameter Entity reference within DTDs

ctxt:the parser context

Function: xmlParserHandleReference

void	xmlParserHandleReference	(xmlParserCtxtPtr ctxt)

TODO: Remove, now deprecated ... the test is done directly in the content parsing routines. [67] Reference ::= EntityRef | CharRef [68] EntityRef ::= '&' Name ';' [ WFC: Entity Declared ] the Name given in the entity reference must match that in an entity declaration, except that well-formed documents need not declare any of the following entities: amp, lt, gt, apos, quot. [ WFC: Parsed Entity ] An entity reference must not contain the name of an unparsed entity [66] CharRef ::= '&#' [0-9]+ ';' | '&#x' [0-9a-fA-F]+ ';' A PEReference may have been detected in the current input stream the handling is done accordingly to http://www.w3.org/TR/REC-xml#entproc

ctxt:the parser context

Function: xmlParserInputShrink

void	xmlParserInputShrink		(xmlParserInputPtr in)

This function removes used input for the parser.

in:an XML parser input

Function: xmlPopInput

xmlChar	xmlPopInput			(xmlParserCtxtPtr ctxt)

xmlPopInput: the current input pointed by ctxt->input came to an end pop it and return the next char.

ctxt:an XML parser context
Returns:the current xmlChar in the parser context

Function: xmlPushInput

int	xmlPushInput			(xmlParserCtxtPtr ctxt, 
xmlParserInputPtr input)

xmlPushInput: switch to a new input stream which is stacked on top of the previous one(s).

ctxt:an XML parser context
input:an XML parser input fragment (entity, XML fragment ...).
Returns:-1 in case of error or the index in the input stack

Function: xmlScanName

xmlChar *	xmlScanName		(xmlParserCtxtPtr ctxt)

Trickery: parse an XML name but without consuming the input flow Needed for rollback cases. Used only when parsing entities references. TODO: seems deprecated now, only used in the default part of xmlParserHandleReference [4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' | CombiningChar | Extender [5] Name ::= (Letter | '_' | ':') (NameChar)* [6] Names ::= Name (S Name)*

ctxt:an XML parser context
Returns:the Name parsed or NULL

Function: xmlSetEntityReferenceFunc

void	xmlSetEntityReferenceFunc	(xmlEntityReferenceFunc func)

Set the function to call call back when a xml reference has been made

func:A valid function

Function: xmlSkipBlankChars

int	xmlSkipBlankChars		(xmlParserCtxtPtr ctxt)

skip all blanks character found at that point in the input streams. It pops up finished entities in the process if allowable at that point.

ctxt:the XML parser context
Returns:the number of space chars skipped

Function: xmlSplitQName

xmlChar *	xmlSplitQName		(xmlParserCtxtPtr ctxt, 
const xmlChar * name,
xmlChar ** prefix)

parse an UTF8 encoded XML qualified name string [NS 5] QName ::= (Prefix ':')? LocalPart [NS 6] Prefix ::= NCName [NS 7] LocalPart ::= NCName

ctxt:an XML parser context
name:an XML parser context
prefix:a xmlChar **
Returns:the local part, and prefix is updated to get the Prefix if any.

Function: xmlStringCurrentChar

int	xmlStringCurrentChar		(xmlParserCtxtPtr ctxt, 
const xmlChar * cur,
int * len)

The current char value, if using UTF-8 this may actually span multiple bytes in the input buffer.

ctxt:the XML parser context
cur:pointer to the beginning of the char
len:pointer to the length of the char read
Returns:the current char value and its length

Function: xmlStringDecodeEntities

xmlChar *	xmlStringDecodeEntities	(xmlParserCtxtPtr ctxt, 
const xmlChar * str,
int what,
xmlChar end,
xmlChar end2,
xmlChar end3)

Takes a entity string content and process to do the adequate substitutions. [67] Reference ::= EntityRef | CharRef [69] PEReference ::= '%' Name ';'

ctxt:the parser context
str:the input string
what:combination of XML_SUBSTITUTE_REF and XML_SUBSTITUTE_PEREF
end:an end marker xmlChar, 0 if none
end2:an end marker xmlChar, 0 if none
end3:an end marker xmlChar, 0 if none
Returns:A newly allocated string with the substitution done. The caller must deallocate it !

Function: xmlStringLenDecodeEntities

xmlChar *	xmlStringLenDecodeEntities	(xmlParserCtxtPtr ctxt, 
const xmlChar * str,
int len,
int what,
xmlChar end,
xmlChar end2,
xmlChar end3)

Takes a entity string content and process to do the adequate substitutions. [67] Reference ::= EntityRef | CharRef [69] PEReference ::= '%' Name ';'

ctxt:the parser context
str:the input string
len:the string length
what:combination of XML_SUBSTITUTE_REF and XML_SUBSTITUTE_PEREF
end:an end marker xmlChar, 0 if none
end2:an end marker xmlChar, 0 if none
end3:an end marker xmlChar, 0 if none
Returns:A newly allocated string with the substitution done. The caller must deallocate it !

Function: xmlSwitchEncoding

int	xmlSwitchEncoding		(xmlParserCtxtPtr ctxt, 
xmlCharEncoding enc)

change the input functions when discovering the character encoding of a given entity.

ctxt:the parser context
enc:the encoding value (number)
Returns:0 in case of success, -1 otherwise

Function: xmlSwitchInputEncoding

int	xmlSwitchInputEncoding		(xmlParserCtxtPtr ctxt, 
xmlParserInputPtr input,
xmlCharEncodingHandlerPtr handler)

change the input functions when discovering the character encoding of a given entity.

ctxt:the parser context
input:the input stream
handler:the encoding handler
Returns:0 in case of success, -1 otherwise

Function: xmlSwitchToEncoding

int	xmlSwitchToEncoding		(xmlParserCtxtPtr ctxt, 
xmlCharEncodingHandlerPtr handler)

change the input functions when discovering the character encoding of a given entity.

ctxt:the parser context
handler:the encoding handler
Returns:0 in case of success, -1 otherwise

Daniel Veillard