[964] | 1 | /* |
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| 2 | * Summary: the XMLReader implementation |
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| 3 | * Description: API of the XML streaming API based on C# interfaces. |
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| 4 | * |
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| 5 | * Copy: See Copyright for the status of this software. |
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| 6 | * |
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| 7 | * Author: Daniel Veillard |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef __XML_XMLREADER_H__ |
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| 11 | #define __XML_XMLREADER_H__ |
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| 12 | |
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| 13 | #include <libxml/xmlversion.h> |
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| 14 | #include <libxml/tree.h> |
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| 15 | #include <libxml/xmlIO.h> |
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| 16 | #ifdef LIBXML_SCHEMAS_ENABLED |
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| 17 | #include <libxml/relaxng.h> |
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| 18 | #endif |
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| 19 | |
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| 20 | #ifdef LIBXML_READER_ENABLED |
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| 21 | |
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| 22 | #ifdef __cplusplus |
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| 23 | extern "C" { |
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| 24 | #endif |
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| 25 | |
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| 26 | /** |
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| 27 | * xmlTextReaderMode: |
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| 28 | * |
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| 29 | * Internal state values for the reader. |
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| 30 | */ |
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| 31 | typedef enum { |
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| 32 | XML_TEXTREADER_MODE_INITIAL = 0, |
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| 33 | XML_TEXTREADER_MODE_INTERACTIVE = 1, |
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| 34 | XML_TEXTREADER_MODE_ERROR = 2, |
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| 35 | XML_TEXTREADER_MODE_EOF =3, |
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| 36 | XML_TEXTREADER_MODE_CLOSED = 4, |
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| 37 | XML_TEXTREADER_MODE_READING = 5 |
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| 38 | } xmlTextReaderMode; |
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| 39 | |
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| 40 | /** |
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| 41 | * xmlParserProperties: |
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| 42 | * |
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| 43 | * Some common options to use with xmlTextReaderSetParserProp, but it |
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| 44 | * is better to use xmlParserOption and the xmlReaderNewxxx and |
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| 45 | * xmlReaderForxxx APIs now. |
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| 46 | */ |
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| 47 | typedef enum { |
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| 48 | XML_PARSER_LOADDTD = 1, |
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| 49 | XML_PARSER_DEFAULTATTRS = 2, |
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| 50 | XML_PARSER_VALIDATE = 3, |
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| 51 | XML_PARSER_SUBST_ENTITIES = 4 |
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| 52 | } xmlParserProperties; |
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| 53 | |
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| 54 | /** |
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| 55 | * xmlParserSeverities: |
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| 56 | * |
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| 57 | * How severe an error callback is when the per-reader error callback API |
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| 58 | * is used. |
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| 59 | */ |
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| 60 | typedef enum { |
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| 61 | XML_PARSER_SEVERITY_VALIDITY_WARNING = 1, |
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| 62 | XML_PARSER_SEVERITY_VALIDITY_ERROR = 2, |
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| 63 | XML_PARSER_SEVERITY_WARNING = 3, |
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| 64 | XML_PARSER_SEVERITY_ERROR = 4 |
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| 65 | } xmlParserSeverities; |
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| 66 | |
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| 67 | /** |
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| 68 | * xmlReaderTypes: |
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| 69 | * |
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| 70 | * Predefined constants for the different types of nodes. |
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| 71 | */ |
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| 72 | typedef enum { |
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| 73 | XML_READER_TYPE_NONE = 0, |
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| 74 | XML_READER_TYPE_ELEMENT = 1, |
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| 75 | XML_READER_TYPE_ATTRIBUTE = 2, |
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| 76 | XML_READER_TYPE_TEXT = 3, |
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| 77 | XML_READER_TYPE_CDATA = 4, |
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| 78 | XML_READER_TYPE_ENTITY_REFERENCE = 5, |
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| 79 | XML_READER_TYPE_ENTITY = 6, |
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| 80 | XML_READER_TYPE_PROCESSING_INSTRUCTION = 7, |
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| 81 | XML_READER_TYPE_COMMENT = 8, |
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| 82 | XML_READER_TYPE_DOCUMENT = 9, |
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| 83 | XML_READER_TYPE_DOCUMENT_TYPE = 10, |
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| 84 | XML_READER_TYPE_DOCUMENT_FRAGMENT = 11, |
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| 85 | XML_READER_TYPE_NOTATION = 12, |
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| 86 | XML_READER_TYPE_WHITESPACE = 13, |
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| 87 | XML_READER_TYPE_SIGNIFICANT_WHITESPACE = 14, |
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| 88 | XML_READER_TYPE_END_ELEMENT = 15, |
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| 89 | XML_READER_TYPE_END_ENTITY = 16, |
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| 90 | XML_READER_TYPE_XML_DECLARATION = 17 |
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| 91 | } xmlReaderTypes; |
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| 92 | |
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| 93 | /** |
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| 94 | * xmlTextReader: |
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| 95 | * |
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| 96 | * Structure for an xmlReader context. |
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| 97 | */ |
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| 98 | typedef struct _xmlTextReader xmlTextReader; |
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| 99 | |
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| 100 | /** |
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| 101 | * xmlTextReaderPtr: |
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| 102 | * |
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| 103 | * Pointer to an xmlReader context. |
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| 104 | */ |
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| 105 | typedef xmlTextReader *xmlTextReaderPtr; |
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| 106 | |
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| 107 | /* |
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| 108 | * Constructors & Destructor |
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| 109 | */ |
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| 110 | XMLPUBFUN xmlTextReaderPtr XMLCALL |
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| 111 | xmlNewTextReader (xmlParserInputBufferPtr input, |
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| 112 | const char *URI); |
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| 113 | XMLPUBFUN xmlTextReaderPtr XMLCALL |
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| 114 | xmlNewTextReaderFilename(const char *URI); |
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| 115 | XMLPUBFUN void XMLCALL |
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| 116 | xmlFreeTextReader (xmlTextReaderPtr reader); |
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| 117 | |
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| 118 | /* |
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| 119 | * Iterators |
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| 120 | */ |
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| 121 | XMLPUBFUN int XMLCALL |
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| 122 | xmlTextReaderRead (xmlTextReaderPtr reader); |
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| 123 | XMLPUBFUN xmlChar * XMLCALL |
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| 124 | xmlTextReaderReadInnerXml (xmlTextReaderPtr reader); |
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| 125 | XMLPUBFUN xmlChar * XMLCALL |
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| 126 | xmlTextReaderReadOuterXml (xmlTextReaderPtr reader); |
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| 127 | XMLPUBFUN xmlChar * XMLCALL |
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| 128 | xmlTextReaderReadString (xmlTextReaderPtr reader); |
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| 129 | XMLPUBFUN int XMLCALL |
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| 130 | xmlTextReaderReadAttributeValue (xmlTextReaderPtr reader); |
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| 131 | |
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| 132 | /* |
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| 133 | * Attributes of the node |
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| 134 | */ |
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| 135 | XMLPUBFUN int XMLCALL |
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| 136 | xmlTextReaderAttributeCount(xmlTextReaderPtr reader); |
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| 137 | XMLPUBFUN int XMLCALL |
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| 138 | xmlTextReaderDepth (xmlTextReaderPtr reader); |
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| 139 | XMLPUBFUN int XMLCALL |
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| 140 | xmlTextReaderHasAttributes(xmlTextReaderPtr reader); |
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| 141 | XMLPUBFUN int XMLCALL |
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| 142 | xmlTextReaderHasValue(xmlTextReaderPtr reader); |
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| 143 | XMLPUBFUN int XMLCALL |
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| 144 | xmlTextReaderIsDefault (xmlTextReaderPtr reader); |
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| 145 | XMLPUBFUN int XMLCALL |
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| 146 | xmlTextReaderIsEmptyElement(xmlTextReaderPtr reader); |
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| 147 | XMLPUBFUN int XMLCALL |
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| 148 | xmlTextReaderNodeType (xmlTextReaderPtr reader); |
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| 149 | XMLPUBFUN int XMLCALL |
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| 150 | xmlTextReaderQuoteChar (xmlTextReaderPtr reader); |
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| 151 | XMLPUBFUN int XMLCALL |
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| 152 | xmlTextReaderReadState (xmlTextReaderPtr reader); |
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| 153 | XMLPUBFUN int XMLCALL |
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| 154 | xmlTextReaderIsNamespaceDecl(xmlTextReaderPtr reader); |
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| 155 | |
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| 156 | XMLPUBFUN const xmlChar * XMLCALL |
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| 157 | xmlTextReaderConstBaseUri (xmlTextReaderPtr reader); |
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| 158 | XMLPUBFUN const xmlChar * XMLCALL |
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| 159 | xmlTextReaderConstLocalName (xmlTextReaderPtr reader); |
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| 160 | XMLPUBFUN const xmlChar * XMLCALL |
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| 161 | xmlTextReaderConstName (xmlTextReaderPtr reader); |
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| 162 | XMLPUBFUN const xmlChar * XMLCALL |
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| 163 | xmlTextReaderConstNamespaceUri(xmlTextReaderPtr reader); |
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| 164 | XMLPUBFUN const xmlChar * XMLCALL |
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| 165 | xmlTextReaderConstPrefix (xmlTextReaderPtr reader); |
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| 166 | XMLPUBFUN const xmlChar * XMLCALL |
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| 167 | xmlTextReaderConstXmlLang (xmlTextReaderPtr reader); |
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| 168 | XMLPUBFUN const xmlChar * XMLCALL |
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| 169 | xmlTextReaderConstString (xmlTextReaderPtr reader, |
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| 170 | const xmlChar *str); |
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| 171 | XMLPUBFUN const xmlChar * XMLCALL |
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| 172 | xmlTextReaderConstValue (xmlTextReaderPtr reader); |
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| 173 | |
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| 174 | /* |
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| 175 | * use the Const version of the routine for |
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| 176 | * better performance and simpler code |
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| 177 | */ |
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| 178 | XMLPUBFUN xmlChar * XMLCALL |
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| 179 | xmlTextReaderBaseUri (xmlTextReaderPtr reader); |
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| 180 | XMLPUBFUN xmlChar * XMLCALL |
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| 181 | xmlTextReaderLocalName (xmlTextReaderPtr reader); |
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| 182 | XMLPUBFUN xmlChar * XMLCALL |
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| 183 | xmlTextReaderName (xmlTextReaderPtr reader); |
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| 184 | XMLPUBFUN xmlChar * XMLCALL |
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| 185 | xmlTextReaderNamespaceUri(xmlTextReaderPtr reader); |
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| 186 | XMLPUBFUN xmlChar * XMLCALL |
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| 187 | xmlTextReaderPrefix (xmlTextReaderPtr reader); |
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| 188 | XMLPUBFUN xmlChar * XMLCALL |
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| 189 | xmlTextReaderXmlLang (xmlTextReaderPtr reader); |
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| 190 | XMLPUBFUN xmlChar * XMLCALL |
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| 191 | xmlTextReaderValue (xmlTextReaderPtr reader); |
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| 192 | |
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| 193 | /* |
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| 194 | * Methods of the XmlTextReader |
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| 195 | */ |
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| 196 | XMLPUBFUN int XMLCALL |
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| 197 | xmlTextReaderClose (xmlTextReaderPtr reader); |
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| 198 | XMLPUBFUN xmlChar * XMLCALL |
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| 199 | xmlTextReaderGetAttributeNo (xmlTextReaderPtr reader, |
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| 200 | int no); |
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| 201 | XMLPUBFUN xmlChar * XMLCALL |
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| 202 | xmlTextReaderGetAttribute (xmlTextReaderPtr reader, |
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| 203 | const xmlChar *name); |
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| 204 | XMLPUBFUN xmlChar * XMLCALL |
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| 205 | xmlTextReaderGetAttributeNs (xmlTextReaderPtr reader, |
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| 206 | const xmlChar *localName, |
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| 207 | const xmlChar *namespaceURI); |
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| 208 | XMLPUBFUN xmlParserInputBufferPtr XMLCALL |
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| 209 | xmlTextReaderGetRemainder (xmlTextReaderPtr reader); |
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| 210 | XMLPUBFUN xmlChar * XMLCALL |
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| 211 | xmlTextReaderLookupNamespace(xmlTextReaderPtr reader, |
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| 212 | const xmlChar *prefix); |
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| 213 | XMLPUBFUN int XMLCALL |
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| 214 | xmlTextReaderMoveToAttributeNo(xmlTextReaderPtr reader, |
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| 215 | int no); |
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| 216 | XMLPUBFUN int XMLCALL |
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| 217 | xmlTextReaderMoveToAttribute(xmlTextReaderPtr reader, |
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| 218 | const xmlChar *name); |
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| 219 | XMLPUBFUN int XMLCALL |
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| 220 | xmlTextReaderMoveToAttributeNs(xmlTextReaderPtr reader, |
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| 221 | const xmlChar *localName, |
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| 222 | const xmlChar *namespaceURI); |
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| 223 | XMLPUBFUN int XMLCALL |
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| 224 | xmlTextReaderMoveToFirstAttribute(xmlTextReaderPtr reader); |
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| 225 | XMLPUBFUN int XMLCALL |
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| 226 | xmlTextReaderMoveToNextAttribute(xmlTextReaderPtr reader); |
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| 227 | XMLPUBFUN int XMLCALL |
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| 228 | xmlTextReaderMoveToElement (xmlTextReaderPtr reader); |
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| 229 | XMLPUBFUN int XMLCALL |
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| 230 | xmlTextReaderNormalization (xmlTextReaderPtr reader); |
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| 231 | XMLPUBFUN const xmlChar * XMLCALL |
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| 232 | xmlTextReaderConstEncoding (xmlTextReaderPtr reader); |
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| 233 | |
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| 234 | /* |
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| 235 | * Extensions |
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| 236 | */ |
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| 237 | XMLPUBFUN int XMLCALL |
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| 238 | xmlTextReaderSetParserProp (xmlTextReaderPtr reader, |
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| 239 | int prop, |
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| 240 | int value); |
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| 241 | XMLPUBFUN int XMLCALL |
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| 242 | xmlTextReaderGetParserProp (xmlTextReaderPtr reader, |
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| 243 | int prop); |
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| 244 | XMLPUBFUN xmlNodePtr XMLCALL |
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| 245 | xmlTextReaderCurrentNode (xmlTextReaderPtr reader); |
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| 246 | |
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| 247 | XMLPUBFUN int XMLCALL |
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| 248 | xmlTextReaderGetParserLineNumber(xmlTextReaderPtr reader); |
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| 249 | |
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| 250 | XMLPUBFUN intptr_t XMLCALL |
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| 251 | xmlTextReaderGetParserColumnNumber(xmlTextReaderPtr reader); |
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| 252 | |
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| 253 | XMLPUBFUN xmlNodePtr XMLCALL |
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| 254 | xmlTextReaderPreserve (xmlTextReaderPtr reader); |
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| 255 | #ifdef LIBXML_PATTERN_ENABLED |
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| 256 | XMLPUBFUN int XMLCALL |
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| 257 | xmlTextReaderPreservePattern(xmlTextReaderPtr reader, |
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| 258 | const xmlChar *pattern, |
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| 259 | const xmlChar **namespaces); |
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| 260 | #endif /* LIBXML_PATTERN_ENABLED */ |
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| 261 | XMLPUBFUN xmlDocPtr XMLCALL |
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| 262 | xmlTextReaderCurrentDoc (xmlTextReaderPtr reader); |
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| 263 | XMLPUBFUN xmlNodePtr XMLCALL |
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| 264 | xmlTextReaderExpand (xmlTextReaderPtr reader); |
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| 265 | XMLPUBFUN int XMLCALL |
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| 266 | xmlTextReaderNext (xmlTextReaderPtr reader); |
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| 267 | XMLPUBFUN int XMLCALL |
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| 268 | xmlTextReaderNextSibling (xmlTextReaderPtr reader); |
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| 269 | XMLPUBFUN int XMLCALL |
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| 270 | xmlTextReaderIsValid (xmlTextReaderPtr reader); |
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| 271 | #ifdef LIBXML_SCHEMAS_ENABLED |
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| 272 | XMLPUBFUN int XMLCALL |
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| 273 | xmlTextReaderRelaxNGValidate(xmlTextReaderPtr reader, |
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| 274 | const char *rng); |
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| 275 | XMLPUBFUN int XMLCALL |
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| 276 | xmlTextReaderRelaxNGSetSchema(xmlTextReaderPtr reader, |
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| 277 | xmlRelaxNGPtr schema); |
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| 278 | #endif |
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| 279 | XMLPUBFUN const xmlChar * XMLCALL |
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| 280 | xmlTextReaderConstXmlVersion(xmlTextReaderPtr reader); |
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| 281 | XMLPUBFUN int XMLCALL |
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| 282 | xmlTextReaderStandalone (xmlTextReaderPtr reader); |
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| 283 | |
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| 284 | |
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| 285 | /* |
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| 286 | * Index lookup |
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| 287 | */ |
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| 288 | XMLPUBFUN intptr_t XMLCALL |
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| 289 | xmlTextReaderByteConsumed (xmlTextReaderPtr reader); |
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| 290 | |
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| 291 | /* |
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| 292 | * New more complete APIs for simpler creation and reuse of readers |
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| 293 | */ |
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| 294 | XMLPUBFUN xmlTextReaderPtr XMLCALL |
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| 295 | xmlReaderWalker (xmlDocPtr doc); |
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| 296 | XMLPUBFUN xmlTextReaderPtr XMLCALL |
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| 297 | xmlReaderForDoc (const xmlChar * cur, |
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| 298 | const char *URL, |
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| 299 | const char *encoding, |
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| 300 | int options); |
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| 301 | XMLPUBFUN xmlTextReaderPtr XMLCALL |
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| 302 | xmlReaderForFile (const char *filename, |
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| 303 | const char *encoding, |
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| 304 | int options); |
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| 305 | XMLPUBFUN xmlTextReaderPtr XMLCALL |
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| 306 | xmlReaderForMemory (const char *buffer, |
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| 307 | intptr_t size, |
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| 308 | const char *URL, |
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| 309 | const char *encoding, |
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| 310 | int options); |
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| 311 | XMLPUBFUN xmlTextReaderPtr XMLCALL |
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| 312 | xmlReaderForFd (int fd, |
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| 313 | const char *URL, |
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| 314 | const char *encoding, |
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| 315 | int options); |
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| 316 | XMLPUBFUN xmlTextReaderPtr XMLCALL |
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| 317 | xmlReaderForIO (xmlInputReadCallback ioread, |
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| 318 | xmlInputCloseCallback ioclose, |
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| 319 | void *ioctx, |
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| 320 | const char *URL, |
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| 321 | const char *encoding, |
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| 322 | int options); |
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| 323 | |
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| 324 | XMLPUBFUN int XMLCALL |
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| 325 | xmlReaderNewWalker (xmlTextReaderPtr reader, |
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| 326 | xmlDocPtr doc); |
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| 327 | XMLPUBFUN int XMLCALL |
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| 328 | xmlReaderNewDoc (xmlTextReaderPtr reader, |
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| 329 | const xmlChar * cur, |
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| 330 | const char *URL, |
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| 331 | const char *encoding, |
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| 332 | int options); |
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| 333 | XMLPUBFUN int XMLCALL |
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| 334 | xmlReaderNewFile (xmlTextReaderPtr reader, |
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| 335 | const char *filename, |
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| 336 | const char *encoding, |
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| 337 | int options); |
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| 338 | XMLPUBFUN int XMLCALL |
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| 339 | xmlReaderNewMemory (xmlTextReaderPtr reader, |
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| 340 | const char *buffer, |
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| 341 | intptr_t size, |
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| 342 | const char *URL, |
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| 343 | const char *encoding, |
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| 344 | int options); |
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| 345 | XMLPUBFUN int XMLCALL |
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| 346 | xmlReaderNewFd (xmlTextReaderPtr reader, |
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| 347 | int fd, |
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| 348 | const char *URL, |
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| 349 | const char *encoding, |
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| 350 | int options); |
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| 351 | XMLPUBFUN int XMLCALL |
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| 352 | xmlReaderNewIO (xmlTextReaderPtr reader, |
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| 353 | xmlInputReadCallback ioread, |
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| 354 | xmlInputCloseCallback ioclose, |
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| 355 | void *ioctx, |
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| 356 | const char *URL, |
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| 357 | const char *encoding, |
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| 358 | int options); |
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| 359 | /* |
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| 360 | * Error handling extensions |
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| 361 | */ |
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| 362 | typedef void * xmlTextReaderLocatorPtr; |
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| 363 | typedef void (XMLCALL *xmlTextReaderErrorFunc) (void *arg, |
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| 364 | const char *msg, |
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| 365 | xmlParserSeverities severity, |
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| 366 | xmlTextReaderLocatorPtr locator); |
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| 367 | XMLPUBFUN int XMLCALL |
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| 368 | xmlTextReaderLocatorLineNumber(xmlTextReaderLocatorPtr locator); |
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| 369 | /*int xmlTextReaderLocatorLinePosition(xmlTextReaderLocatorPtr locator);*/ |
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| 370 | XMLPUBFUN xmlChar * XMLCALL |
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| 371 | xmlTextReaderLocatorBaseURI (xmlTextReaderLocatorPtr locator); |
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| 372 | XMLPUBFUN void XMLCALL |
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| 373 | xmlTextReaderSetErrorHandler(xmlTextReaderPtr reader, |
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| 374 | xmlTextReaderErrorFunc f, |
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| 375 | void *arg); |
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| 376 | XMLPUBFUN void XMLCALL |
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| 377 | xmlTextReaderSetStructuredErrorHandler(xmlTextReaderPtr reader, |
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| 378 | xmlStructuredErrorFunc f, |
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| 379 | void *arg); |
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| 380 | XMLPUBFUN void XMLCALL |
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| 381 | xmlTextReaderGetErrorHandler(xmlTextReaderPtr reader, |
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| 382 | xmlTextReaderErrorFunc *f, |
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| 383 | void **arg); |
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| 384 | |
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| 385 | #ifdef __cplusplus |
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| 386 | } |
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| 387 | #endif |
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| 388 | |
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| 389 | #endif /* LIBXML_READER_ENABLED */ |
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| 390 | |
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| 391 | #endif /* __XML_XMLREADER_H__ */ |
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| 392 | |
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