libxml2_xmlreader.h翻译

/*
 * 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
#include
#include
#ifdef LIBXML_SCHEMAS_ENABLED
#include
#include
#endif


#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 XMLCALL
xmlNewTextReader (xmlParserInputBufferPtr input,
                                         const char *URI);
XMLPUBFUN xmlTextReaderPtr XMLCALL
xmlNewTextReaderFilename(const char *URI);


XMLPUBFUN void XMLCALL
xmlFreeTextReader (xmlTextReaderPtr reader);


XMLPUBFUN int XMLCALL
            xmlTextReaderSetup(xmlTextReaderPtr reader,
                   xmlParserInputBufferPtr input, const char *URL,
                   const char *encoding, int options);


/*
 * Iterators
 */
XMLPUBFUN int XMLCALL
xmlTextReaderRead (xmlTextReaderPtr reader);


#ifdef LIBXML_WRITER_ENABLED
XMLPUBFUN xmlChar * XMLCALL
xmlTextReaderReadInnerXml(xmlTextReaderPtr reader);


XMLPUBFUN xmlChar * XMLCALL
xmlTextReaderReadOuterXml(xmlTextReaderPtr reader);
#endif


XMLPUBFUN xmlChar * XMLCALL
xmlTextReaderReadString (xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
xmlTextReaderReadAttributeValue(xmlTextReaderPtr reader);


/*
 * Attributes of the node
 */
XMLPUBFUN int XMLCALL
xmlTextReaderAttributeCount(xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
xmlTextReaderDepth (xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
xmlTextReaderHasAttributes(xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
xmlTextReaderHasValue(xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
xmlTextReaderIsDefault (xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
xmlTextReaderIsEmptyElement(xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
xmlTextReaderNodeType (xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
xmlTextReaderQuoteChar (xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
xmlTextReaderReadState (xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
                        xmlTextReaderIsNamespaceDecl(xmlTextReaderPtr reader);


XMLPUBFUN const xmlChar * XMLCALL
    xmlTextReaderConstBaseUri (xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar * XMLCALL
    xmlTextReaderConstLocalName (xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar * XMLCALL
    xmlTextReaderConstName (xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar * XMLCALL
    xmlTextReaderConstNamespaceUri(xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar * XMLCALL
    xmlTextReaderConstPrefix (xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar * XMLCALL
    xmlTextReaderConstXmlLang (xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar * XMLCALL
    xmlTextReaderConstString (xmlTextReaderPtr reader,
const xmlChar *str);
XMLPUBFUN const xmlChar * XMLCALL
    xmlTextReaderConstValue (xmlTextReaderPtr reader);


/*
 * use the Const version of the routine for
 * better performance and simpler code
 */
XMLPUBFUN xmlChar * XMLCALL
xmlTextReaderBaseUri (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar * XMLCALL
xmlTextReaderLocalName (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar * XMLCALL
xmlTextReaderName (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar * XMLCALL
xmlTextReaderNamespaceUri(xmlTextReaderPtr reader);
XMLPUBFUN xmlChar * XMLCALL
xmlTextReaderPrefix (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar * XMLCALL
xmlTextReaderXmlLang (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar * XMLCALL
xmlTextReaderValue (xmlTextReaderPtr reader);


/*
 * Methods of the XmlTextReader
 */
XMLPUBFUN int XMLCALL
    xmlTextReaderClose (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar * XMLCALL
    xmlTextReaderGetAttributeNo (xmlTextReaderPtr reader,
int no);
XMLPUBFUN xmlChar * XMLCALL
    xmlTextReaderGetAttribute (xmlTextReaderPtr reader,
const xmlChar *name);
XMLPUBFUN xmlChar * XMLCALL
    xmlTextReaderGetAttributeNs (xmlTextReaderPtr reader,
const xmlChar *localName,
const xmlChar *namespaceURI);
XMLPUBFUN xmlParserInputBufferPtr XMLCALL
    xmlTextReaderGetRemainder (xmlTextReaderPtr reader);
XMLPUBFUN xmlChar * XMLCALL
    xmlTextReaderLookupNamespace(xmlTextReaderPtr reader,
const xmlChar *prefix);
XMLPUBFUN int XMLCALL
    xmlTextReaderMoveToAttributeNo(xmlTextReaderPtr reader,
int no);
XMLPUBFUN int XMLCALL
    xmlTextReaderMoveToAttribute(xmlTextReaderPtr reader,
const xmlChar *name);
XMLPUBFUN int XMLCALL
    xmlTextReaderMoveToAttributeNs(xmlTextReaderPtr reader,
const xmlChar *localName,
const xmlChar *namespaceURI);
XMLPUBFUN int XMLCALL
    xmlTextReaderMoveToFirstAttribute(xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
    xmlTextReaderMoveToNextAttribute(xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
    xmlTextReaderMoveToElement (xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
    xmlTextReaderNormalization (xmlTextReaderPtr reader);
XMLPUBFUN const xmlChar * XMLCALL
    xmlTextReaderConstEncoding  (xmlTextReaderPtr reader);


/*
 * Extensions
 */
XMLPUBFUN int XMLCALL
    xmlTextReaderSetParserProp (xmlTextReaderPtr reader,
int prop,
int value);
XMLPUBFUN int XMLCALL
    xmlTextReaderGetParserProp (xmlTextReaderPtr reader,
int prop);
XMLPUBFUN xmlNodePtr XMLCALL
    xmlTextReaderCurrentNode (xmlTextReaderPtr reader);


XMLPUBFUN int XMLCALL
            xmlTextReaderGetParserLineNumber(xmlTextReaderPtr reader);


XMLPUBFUN int XMLCALL
            xmlTextReaderGetParserColumnNumber(xmlTextReaderPtr reader);


XMLPUBFUN xmlNodePtr XMLCALL
    xmlTextReaderPreserve (xmlTextReaderPtr reader);
#ifdef LIBXML_PATTERN_ENABLED
XMLPUBFUN int XMLCALL
    xmlTextReaderPreservePattern(xmlTextReaderPtr reader,
const xmlChar *pattern,
const xmlChar **namespaces);
#endif /* LIBXML_PATTERN_ENABLED */
XMLPUBFUN xmlDocPtr XMLCALL
    xmlTextReaderCurrentDoc (xmlTextReaderPtr reader);
XMLPUBFUN xmlNodePtr XMLCALL
    xmlTextReaderExpand (xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
    xmlTextReaderNext (xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
    xmlTextReaderNextSibling (xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
    xmlTextReaderIsValid (xmlTextReaderPtr reader);
#ifdef LIBXML_SCHEMAS_ENABLED
XMLPUBFUN int XMLCALL
    xmlTextReaderRelaxNGValidate(xmlTextReaderPtr reader,
const char *rng);
XMLPUBFUN int XMLCALL
    xmlTextReaderRelaxNGValidateCtxt(xmlTextReaderPtr reader,
xmlRelaxNGValidCtxtPtr ctxt,
int options);


XMLPUBFUN int XMLCALL
    xmlTextReaderRelaxNGSetSchema(xmlTextReaderPtr reader,
xmlRelaxNGPtr schema);
XMLPUBFUN int XMLCALL
    xmlTextReaderSchemaValidate (xmlTextReaderPtr reader,
const char *xsd);
XMLPUBFUN int XMLCALL
    xmlTextReaderSchemaValidateCtxt(xmlTextReaderPtr reader,
xmlSchemaValidCtxtPtr ctxt,
int options);
XMLPUBFUN int XMLCALL
    xmlTextReaderSetSchema (xmlTextReaderPtr reader,
xmlSchemaPtr schema);
#endif
XMLPUBFUN const xmlChar * XMLCALL
    xmlTextReaderConstXmlVersion(xmlTextReaderPtr reader);
XMLPUBFUN int XMLCALL
    xmlTextReaderStandalone     (xmlTextReaderPtr reader);




/*
 * Index lookup
 */
XMLPUBFUN long XMLCALL
xmlTextReaderByteConsumed (xmlTextReaderPtr reader);


/*
 * New more complete APIs for simpler creation and reuse of readers
 */
XMLPUBFUN xmlTextReaderPtr XMLCALL
xmlReaderWalker (xmlDocPtr doc);
XMLPUBFUN xmlTextReaderPtr XMLCALL
xmlReaderForDoc (const xmlChar * cur,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN xmlTextReaderPtr XMLCALL
xmlReaderForFile (const char *filename,
const char *encoding,
int options);
XMLPUBFUN xmlTextReaderPtr XMLCALL
xmlReaderForMemory (const char *buffer,
int size,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN xmlTextReaderPtr XMLCALL
xmlReaderForFd (int fd,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN xmlTextReaderPtr XMLCALL
xmlReaderForIO (xmlInputReadCallback ioread,
xmlInputCloseCallback ioclose,
void *ioctx,
const char *URL,
const char *encoding,
int options);


XMLPUBFUN int XMLCALL
xmlReaderNewWalker (xmlTextReaderPtr reader,
xmlDocPtr doc);
XMLPUBFUN int XMLCALL
xmlReaderNewDoc (xmlTextReaderPtr reader,
const xmlChar * cur,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN int XMLCALL
xmlReaderNewFile (xmlTextReaderPtr reader,
const char *filename,
const char *encoding,
int options);
XMLPUBFUN int XMLCALL
xmlReaderNewMemory (xmlTextReaderPtr reader,
const char *buffer,
int size,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN int XMLCALL
xmlReaderNewFd (xmlTextReaderPtr reader,
int fd,
const char *URL,
const char *encoding,
int options);
XMLPUBFUN int XMLCALL
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 (XMLCALL *xmlTextReaderErrorFunc)(void *arg,
       const char *msg,
       xmlParserSeverities severity,
       xmlTextReaderLocatorPtr locator);
XMLPUBFUN int XMLCALL
    xmlTextReaderLocatorLineNumber(xmlTextReaderLocatorPtr locator);
XMLPUBFUN xmlChar * XMLCALL
    xmlTextReaderLocatorBaseURI (xmlTextReaderLocatorPtr locator);
XMLPUBFUN void XMLCALL
    xmlTextReaderSetErrorHandler(xmlTextReaderPtr reader,
xmlTextReaderErrorFunc f,
void *arg);
XMLPUBFUN void XMLCALL
    xmlTextReaderSetStructuredErrorHandler(xmlTextReaderPtr reader,
   xmlStructuredErrorFunc f,
   void *arg);
XMLPUBFUN void XMLCALL
    xmlTextReaderGetErrorHandler(xmlTextReaderPtr reader,
xmlTextReaderErrorFunc *f,
void **arg);


#endif /* LIBXML_READER_ENABLED */


#ifdef __cplusplus
}
#endif


#endif /* __XML_XMLREADER_H__ */