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/*
* Summary: the XMLReader implementation
* Description: API of the XML streaming API based on C# interfaces.
*
* Copy: See Copyright for the status of this software.
*
* Author: Daniel Veillard
*/
#ifndef __XML_XMLREADER_H__
#define __XML_XMLREADER_H__
#include <libxml/xmlversion.h>
#include <libxml/tree.h>
#include <libxml/xmlerror.h>
#include <libxml/xmlIO.h>
#ifdef LIBXML_SCHEMAS_ENABLED
#include <libxml/relaxng.h>
#include <libxml/xmlschemas.h>
#endif
/* for compatibility */
#include <libxml/parser.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* xmlParserSeverities:
*
* How severe an error callback is when the per-reader error callback API
* is used.
*/
typedef enum {
XML_PARSER_SEVERITY_VALIDITY_WARNING = 1,
XML_PARSER_SEVERITY_VALIDITY_ERROR = 2,
XML_PARSER_SEVERITY_WARNING = 3,
XML_PARSER_SEVERITY_ERROR = 4
} xmlParserSeverities;
#ifdef LIBXML_READER_ENABLED
/**
* xmlTextReaderMode:
*
* Internal state values for the reader.
*/
typedef enum {
XML_TEXTREADER_MODE_INITIAL = 0,
XML_TEXTREADER_MODE_INTERACTIVE = 1,
XML_TEXTREADER_MODE_ERROR = 2,
XML_TEXTREADER_MODE_EOF =3,
XML_TEXTREADER_MODE_CLOSED = 4,
XML_TEXTREADER_MODE_READING = 5
} xmlTextReaderMode;
/**
* xmlParserProperties:
*
* Some common options to use with xmlTextReaderSetParserProp, but it
* is better to use xmlParserOption and the xmlReaderNewxxx and
* xmlReaderForxxx APIs now.
*/
typedef enum {
XML_PARSER_LOADDTD = 1,
XML_PARSER_DEFAULTATTRS = 2,
XML_PARSER_VALIDATE = 3,
XML_PARSER_SUBST_ENTITIES = 4
} xmlParserProperties;
/**
* xmlReaderTypes:
*
* Predefined constants for the different types of nodes.
*/
typedef enum {
XML_READER_TYPE_NONE = 0,
XML_READER_TYPE_ELEMENT = 1,
XML_READER_TYPE_ATTRIBUTE = 2,
XML_READER_TYPE_TEXT = 3,
XML_READER_TYPE_CDATA = 4,
XML_READER_TYPE_ENTITY_REFERENCE = 5,
XML_READER_TYPE_ENTITY = 6,
XML_READER_TYPE_PROCESSING_INSTRUCTION = 7,
XML_READER_TYPE_COMMENT = 8,
XML_READER_TYPE_DOCUMENT = 9,
XML_READER_TYPE_DOCUMENT_TYPE = 10,
XML_READER_TYPE_DOCUMENT_FRAGMENT = 11,
XML_READER_TYPE_NOTATION = 12,
XML_READER_TYPE_WHITESPACE = 13,
XML_READER_TYPE_SIGNIFICANT_WHITESPACE = 14,
XML_READER_TYPE_END_ELEMENT = 15,
XML_READER_TYPE_END_ENTITY = 16,
XML_READER_TYPE_XML_DECLARATION = 17
} xmlReaderTypes;
/**
* xmlTextReader:
*
* Structure for an xmlReader context.
*/
typedef struct _xmlTextReader xmlTextReader;
/**
* xmlTextReaderPtr:
*
* Pointer to an xmlReader context.
*/
typedef xmlTextReader *xmlTextReaderPtr;
/*
* Constructors & Destructor
*/
XMLPUBFUN xmlTextReaderPtr
xmlNewTextReader (xmlParserInputBufferPtr input,
const char *URI);
XMLPUBFUN xmlTextReaderPtr
xmlNewTextReaderFilename(const char *URI);
XMLPUBFUN void
xmlFreeTextReader (xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderSetup(xmlTextReaderPtr reader,
xmlParserInputBufferPtr input, const char *URL,
const char *encoding, int options);
XMLPUBFUN void
xmlTextReaderSetMaxAmplification(xmlTextReaderPtr reader,
unsigned maxAmpl);
/*
* Iterators
*/
XMLPUBFUN int
xmlTextReaderRead (xmlTextReaderPtr reader);
#ifdef LIBXML_WRITER_ENABLED
XMLPUBFUN xmlChar *
xmlTextReaderReadInnerXml(xmlTextReaderPtr reader);
XMLPUBFUN xmlChar *
xmlTextReaderReadOuterXml(xmlTextReaderPtr reader);
#endif
XMLPUBFUN xmlChar *
xmlTextReaderReadString (xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderReadAttributeValue(xmlTextReaderPtr reader);
/*
* Attributes of the node
*/
XMLPUBFUN int
xmlTextReaderAttributeCount(xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderDepth (xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderHasAttributes(xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderHasValue(xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderIsDefault (xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderIsEmptyElement(xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderNodeType (xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderQuoteChar (xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderReadState (xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderIsNamespaceDecl(xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar *
xmlTextReaderConstBaseUri (xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar *
xmlTextReaderConstLocalName (xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar *
xmlTextReaderConstName (xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar *
xmlTextReaderConstNamespaceUri(xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar *
xmlTextReaderConstPrefix (xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar *
xmlTextReaderConstXmlLang (xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar *
xmlTextReaderConstString (xmlTextReaderPtr reader,
const xmlChar *str);
XMLPUBFUN const xmlChar *
xmlTextReaderConstValue (xmlTextReaderPtr reader);
/*
* use the Const version of the routine for
* better performance and simpler code
*/
XMLPUBFUN xmlChar *
xmlTextReaderBaseUri (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar *
xmlTextReaderLocalName (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar *
xmlTextReaderName (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar *
xmlTextReaderNamespaceUri(xmlTextReaderPtr reader);
XMLPUBFUN xmlChar *
xmlTextReaderPrefix (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar *
xmlTextReaderXmlLang (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar *
xmlTextReaderValue (xmlTextReaderPtr reader);
/*
* Methods of the XmlTextReader
*/
XMLPUBFUN int
xmlTextReaderClose (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar *
xmlTextReaderGetAttributeNo (xmlTextReaderPtr reader,
int no);
XMLPUBFUN xmlChar *
xmlTextReaderGetAttribute (xmlTextReaderPtr reader,
const xmlChar *name);
XMLPUBFUN xmlChar *
xmlTextReaderGetAttributeNs (xmlTextReaderPtr reader,
const xmlChar *localName,
const xmlChar *namespaceURI);
XMLPUBFUN xmlParserInputBufferPtr
xmlTextReaderGetRemainder (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar *
xmlTextReaderLookupNamespace(xmlTextReaderPtr reader,
const xmlChar *prefix);
XMLPUBFUN int
xmlTextReaderMoveToAttributeNo(xmlTextReaderPtr reader,
int no);
XMLPUBFUN int
xmlTextReaderMoveToAttribute(xmlTextReaderPtr reader,
const xmlChar *name);
XMLPUBFUN int
xmlTextReaderMoveToAttributeNs(xmlTextReaderPtr reader,
const xmlChar *localName,
const xmlChar *namespaceURI);
XMLPUBFUN int
xmlTextReaderMoveToFirstAttribute(xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderMoveToNextAttribute(xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderMoveToElement (xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderNormalization (xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar *
xmlTextReaderConstEncoding (xmlTextReaderPtr reader);
/*
* Extensions
*/
XMLPUBFUN int
xmlTextReaderSetParserProp (xmlTextReaderPtr reader,
int prop,
int value);
XMLPUBFUN int
xmlTextReaderGetParserProp (xmlTextReaderPtr reader,
int prop);
XMLPUBFUN xmlNodePtr
xmlTextReaderCurrentNode (xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderGetParserLineNumber(xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderGetParserColumnNumber(xmlTextReaderPtr reader);
XMLPUBFUN xmlNodePtr
xmlTextReaderPreserve (xmlTextReaderPtr reader);
#ifdef LIBXML_PATTERN_ENABLED
XMLPUBFUN int
xmlTextReaderPreservePattern(xmlTextReaderPtr reader,
const xmlChar *pattern,
const xmlChar **namespaces);
#endif /* LIBXML_PATTERN_ENABLED */
XMLPUBFUN xmlDocPtr
xmlTextReaderCurrentDoc (xmlTextReaderPtr reader);
XMLPUBFUN xmlNodePtr
xmlTextReaderExpand (xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderNext (xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderNextSibling (xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderIsValid (xmlTextReaderPtr reader);
#ifdef LIBXML_SCHEMAS_ENABLED
XMLPUBFUN int
xmlTextReaderRelaxNGValidate(xmlTextReaderPtr reader,
const char *rng);
XMLPUBFUN int
xmlTextReaderRelaxNGValidateCtxt(xmlTextReaderPtr reader,
xmlRelaxNGValidCtxtPtr ctxt,
int options);
XMLPUBFUN int
xmlTextReaderRelaxNGSetSchema(xmlTextReaderPtr reader,
xmlRelaxNGPtr schema);
XMLPUBFUN int
xmlTextReaderSchemaValidate (xmlTextReaderPtr reader,
const char *xsd);
XMLPUBFUN int
xmlTextReaderSchemaValidateCtxt(xmlTextReaderPtr reader,
xmlSchemaValidCtxtPtr ctxt,
int options);
XMLPUBFUN int
xmlTextReaderSetSchema (xmlTextReaderPtr reader,
xmlSchemaPtr schema);
#endif
XMLPUBFUN const xmlChar *
xmlTextReaderConstXmlVersion(xmlTextReaderPtr reader);
XMLPUBFUN int
xmlTextReaderStandalone (xmlTextReaderPtr reader);
/*
* Index lookup
*/
XMLPUBFUN long
xmlTextReaderByteConsumed (xmlTextReaderPtr reader);
/*
* New more complete APIs for simpler creation and reuse of readers
*/
XMLPUBFUN xmlTextReaderPtr
xmlReaderWalker (xmlDocPtr doc);
XMLPUBFUN xmlTextReaderPtr
xmlReaderForDoc (const xmlChar * cur,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN xmlTextReaderPtr
xmlReaderForFile (const char *filename,
const char *encoding,
int options);
XMLPUBFUN xmlTextReaderPtr
xmlReaderForMemory (const char *buffer,
int size,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN xmlTextReaderPtr
xmlReaderForFd (int fd,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN xmlTextReaderPtr
xmlReaderForIO (xmlInputReadCallback ioread,
xmlInputCloseCallback ioclose,
void *ioctx,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN int
xmlReaderNewWalker (xmlTextReaderPtr reader,
xmlDocPtr doc);
XMLPUBFUN int
xmlReaderNewDoc (xmlTextReaderPtr reader,
const xmlChar * cur,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN int
xmlReaderNewFile (xmlTextReaderPtr reader,
const char *filename,
const char *encoding,
int options);
XMLPUBFUN int
xmlReaderNewMemory (xmlTextReaderPtr reader,
const char *buffer,
int size,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN int
xmlReaderNewFd (xmlTextReaderPtr reader,
int fd,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN int
xmlReaderNewIO (xmlTextReaderPtr reader,
xmlInputReadCallback ioread,
xmlInputCloseCallback ioclose,
void *ioctx,
const char *URL,
const char *encoding,
int options);
/*
* Error handling extensions
*/
typedef void * xmlTextReaderLocatorPtr;
/**
* xmlTextReaderErrorFunc:
* @arg: the user argument
* @msg: the message
* @severity: the severity of the error
* @locator: a locator indicating where the error occurred
*
* Signature of an error callback from a reader parser
*/
typedef void (*xmlTextReaderErrorFunc)(void *arg,
const char *msg,
xmlParserSeverities severity,
xmlTextReaderLocatorPtr locator);
XMLPUBFUN int
xmlTextReaderLocatorLineNumber(xmlTextReaderLocatorPtr locator);
XMLPUBFUN xmlChar *
xmlTextReaderLocatorBaseURI (xmlTextReaderLocatorPtr locator);
XMLPUBFUN void
xmlTextReaderSetErrorHandler(xmlTextReaderPtr reader,
xmlTextReaderErrorFunc f,
void *arg);
XMLPUBFUN void
xmlTextReaderSetStructuredErrorHandler(xmlTextReaderPtr reader,
xmlStructuredErrorFunc f,
void *arg);
XMLPUBFUN void
xmlTextReaderGetErrorHandler(xmlTextReaderPtr reader,
xmlTextReaderErrorFunc *f,
void **arg);
#endif /* LIBXML_READER_ENABLED */
#ifdef __cplusplus
}
#endif
#endif /* __XML_XMLREADER_H__ */