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Diffstat (limited to 'libxml2/include/libxml/xmlreader.h')
-rw-r--r-- | libxml2/include/libxml/xmlreader.h | 424 |
1 files changed, 424 insertions, 0 deletions
diff --git a/libxml2/include/libxml/xmlreader.h b/libxml2/include/libxml/xmlreader.h new file mode 100644 index 000000000..696448258 --- /dev/null +++ b/libxml2/include/libxml/xmlreader.h @@ -0,0 +1,424 @@ +/* + * 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/xmlIO.h> +#ifdef LIBXML_SCHEMAS_ENABLED +#include <libxml/relaxng.h> +#include <libxml/xmlschemas.h> +#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 + 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 occured + * + * 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); +/*int xmlTextReaderLocatorLinePosition(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__ */ + |