2 * Summary: the XMLReader implementation
3 * Description: API of the XML streaming API based on C# interfaces.
5 * Copy: See Copyright for the status of this software.
7 * Author: Daniel Veillard
10 #ifndef __XML_XMLREADER_H__
11 #define __XML_XMLREADER_H__
13 #include <libxml/xmlversion.h>
14 #include <libxml/tree.h>
15 #include <libxml/xmlIO.h>
16 #ifdef LIBXML_SCHEMAS_ENABLED
17 #include <libxml/relaxng.h>
18 #include <libxml/xmlschemas.h>
26 * xmlParserSeverities:
28 * How severe an error callback is when the per-reader error callback API
32 XML_PARSER_SEVERITY_VALIDITY_WARNING = 1,
33 XML_PARSER_SEVERITY_VALIDITY_ERROR = 2,
34 XML_PARSER_SEVERITY_WARNING = 3,
35 XML_PARSER_SEVERITY_ERROR = 4
36 } xmlParserSeverities;
38 #ifdef LIBXML_READER_ENABLED
43 * Internal state values for the reader.
46 XML_TEXTREADER_MODE_INITIAL = 0,
47 XML_TEXTREADER_MODE_INTERACTIVE = 1,
48 XML_TEXTREADER_MODE_ERROR = 2,
49 XML_TEXTREADER_MODE_EOF =3,
50 XML_TEXTREADER_MODE_CLOSED = 4,
51 XML_TEXTREADER_MODE_READING = 5
55 * xmlParserProperties:
57 * Some common options to use with xmlTextReaderSetParserProp, but it
58 * is better to use xmlParserOption and the xmlReaderNewxxx and
59 * xmlReaderForxxx APIs now.
62 XML_PARSER_LOADDTD = 1,
63 XML_PARSER_DEFAULTATTRS = 2,
64 XML_PARSER_VALIDATE = 3,
65 XML_PARSER_SUBST_ENTITIES = 4
66 } xmlParserProperties;
71 * Predefined constants for the different types of nodes.
74 XML_READER_TYPE_NONE = 0,
75 XML_READER_TYPE_ELEMENT = 1,
76 XML_READER_TYPE_ATTRIBUTE = 2,
77 XML_READER_TYPE_TEXT = 3,
78 XML_READER_TYPE_CDATA = 4,
79 XML_READER_TYPE_ENTITY_REFERENCE = 5,
80 XML_READER_TYPE_ENTITY = 6,
81 XML_READER_TYPE_PROCESSING_INSTRUCTION = 7,
82 XML_READER_TYPE_COMMENT = 8,
83 XML_READER_TYPE_DOCUMENT = 9,
84 XML_READER_TYPE_DOCUMENT_TYPE = 10,
85 XML_READER_TYPE_DOCUMENT_FRAGMENT = 11,
86 XML_READER_TYPE_NOTATION = 12,
87 XML_READER_TYPE_WHITESPACE = 13,
88 XML_READER_TYPE_SIGNIFICANT_WHITESPACE = 14,
89 XML_READER_TYPE_END_ELEMENT = 15,
90 XML_READER_TYPE_END_ENTITY = 16,
91 XML_READER_TYPE_XML_DECLARATION = 17
97 * Structure for an xmlReader context.
99 typedef struct _xmlTextReader xmlTextReader;
104 * Pointer to an xmlReader context.
106 typedef xmlTextReader *xmlTextReaderPtr;
109 * Constructors & Destructor
111 XMLPUBFUN xmlTextReaderPtr XMLCALL
112 xmlNewTextReader (xmlParserInputBufferPtr input,
114 XMLPUBFUN xmlTextReaderPtr XMLCALL
115 xmlNewTextReaderFilename(const char *URI);
117 XMLPUBFUN void XMLCALL
118 xmlFreeTextReader (xmlTextReaderPtr reader);
120 XMLPUBFUN int XMLCALL
121 xmlTextReaderSetup(xmlTextReaderPtr reader,
122 xmlParserInputBufferPtr input, const char *URL,
123 const char *encoding, int options);
128 XMLPUBFUN int XMLCALL
129 xmlTextReaderRead (xmlTextReaderPtr reader);
131 #ifdef LIBXML_WRITER_ENABLED
132 XMLPUBFUN xmlChar * XMLCALL
133 xmlTextReaderReadInnerXml(xmlTextReaderPtr reader);
135 XMLPUBFUN xmlChar * XMLCALL
136 xmlTextReaderReadOuterXml(xmlTextReaderPtr reader);
139 XMLPUBFUN xmlChar * XMLCALL
140 xmlTextReaderReadString (xmlTextReaderPtr reader);
141 XMLPUBFUN int XMLCALL
142 xmlTextReaderReadAttributeValue(xmlTextReaderPtr reader);
145 * Attributes of the node
147 XMLPUBFUN int XMLCALL
148 xmlTextReaderAttributeCount(xmlTextReaderPtr reader);
149 XMLPUBFUN int XMLCALL
150 xmlTextReaderDepth (xmlTextReaderPtr reader);
151 XMLPUBFUN int XMLCALL
152 xmlTextReaderHasAttributes(xmlTextReaderPtr reader);
153 XMLPUBFUN int XMLCALL
154 xmlTextReaderHasValue(xmlTextReaderPtr reader);
155 XMLPUBFUN int XMLCALL
156 xmlTextReaderIsDefault (xmlTextReaderPtr reader);
157 XMLPUBFUN int XMLCALL
158 xmlTextReaderIsEmptyElement(xmlTextReaderPtr reader);
159 XMLPUBFUN int XMLCALL
160 xmlTextReaderNodeType (xmlTextReaderPtr reader);
161 XMLPUBFUN int XMLCALL
162 xmlTextReaderQuoteChar (xmlTextReaderPtr reader);
163 XMLPUBFUN int XMLCALL
164 xmlTextReaderReadState (xmlTextReaderPtr reader);
165 XMLPUBFUN int XMLCALL
166 xmlTextReaderIsNamespaceDecl(xmlTextReaderPtr reader);
168 XMLPUBFUN const xmlChar * XMLCALL
169 xmlTextReaderConstBaseUri (xmlTextReaderPtr reader);
170 XMLPUBFUN const xmlChar * XMLCALL
171 xmlTextReaderConstLocalName (xmlTextReaderPtr reader);
172 XMLPUBFUN const xmlChar * XMLCALL
173 xmlTextReaderConstName (xmlTextReaderPtr reader);
174 XMLPUBFUN const xmlChar * XMLCALL
175 xmlTextReaderConstNamespaceUri(xmlTextReaderPtr reader);
176 XMLPUBFUN const xmlChar * XMLCALL
177 xmlTextReaderConstPrefix (xmlTextReaderPtr reader);
178 XMLPUBFUN const xmlChar * XMLCALL
179 xmlTextReaderConstXmlLang (xmlTextReaderPtr reader);
180 XMLPUBFUN const xmlChar * XMLCALL
181 xmlTextReaderConstString (xmlTextReaderPtr reader,
183 XMLPUBFUN const xmlChar * XMLCALL
184 xmlTextReaderConstValue (xmlTextReaderPtr reader);
187 * use the Const version of the routine for
188 * better performance and simpler code
190 XMLPUBFUN xmlChar * XMLCALL
191 xmlTextReaderBaseUri (xmlTextReaderPtr reader);
192 XMLPUBFUN xmlChar * XMLCALL
193 xmlTextReaderLocalName (xmlTextReaderPtr reader);
194 XMLPUBFUN xmlChar * XMLCALL
195 xmlTextReaderName (xmlTextReaderPtr reader);
196 XMLPUBFUN xmlChar * XMLCALL
197 xmlTextReaderNamespaceUri(xmlTextReaderPtr reader);
198 XMLPUBFUN xmlChar * XMLCALL
199 xmlTextReaderPrefix (xmlTextReaderPtr reader);
200 XMLPUBFUN xmlChar * XMLCALL
201 xmlTextReaderXmlLang (xmlTextReaderPtr reader);
202 XMLPUBFUN xmlChar * XMLCALL
203 xmlTextReaderValue (xmlTextReaderPtr reader);
206 * Methods of the XmlTextReader
208 XMLPUBFUN int XMLCALL
209 xmlTextReaderClose (xmlTextReaderPtr reader);
210 XMLPUBFUN xmlChar * XMLCALL
211 xmlTextReaderGetAttributeNo (xmlTextReaderPtr reader,
213 XMLPUBFUN xmlChar * XMLCALL
214 xmlTextReaderGetAttribute (xmlTextReaderPtr reader,
215 const xmlChar *name);
216 XMLPUBFUN xmlChar * XMLCALL
217 xmlTextReaderGetAttributeNs (xmlTextReaderPtr reader,
218 const xmlChar *localName,
219 const xmlChar *namespaceURI);
220 XMLPUBFUN xmlParserInputBufferPtr XMLCALL
221 xmlTextReaderGetRemainder (xmlTextReaderPtr reader);
222 XMLPUBFUN xmlChar * XMLCALL
223 xmlTextReaderLookupNamespace(xmlTextReaderPtr reader,
224 const xmlChar *prefix);
225 XMLPUBFUN int XMLCALL
226 xmlTextReaderMoveToAttributeNo(xmlTextReaderPtr reader,
228 XMLPUBFUN int XMLCALL
229 xmlTextReaderMoveToAttribute(xmlTextReaderPtr reader,
230 const xmlChar *name);
231 XMLPUBFUN int XMLCALL
232 xmlTextReaderMoveToAttributeNs(xmlTextReaderPtr reader,
233 const xmlChar *localName,
234 const xmlChar *namespaceURI);
235 XMLPUBFUN int XMLCALL
236 xmlTextReaderMoveToFirstAttribute(xmlTextReaderPtr reader);
237 XMLPUBFUN int XMLCALL
238 xmlTextReaderMoveToNextAttribute(xmlTextReaderPtr reader);
239 XMLPUBFUN int XMLCALL
240 xmlTextReaderMoveToElement (xmlTextReaderPtr reader);
241 XMLPUBFUN int XMLCALL
242 xmlTextReaderNormalization (xmlTextReaderPtr reader);
243 XMLPUBFUN const xmlChar * XMLCALL
244 xmlTextReaderConstEncoding (xmlTextReaderPtr reader);
249 XMLPUBFUN int XMLCALL
250 xmlTextReaderSetParserProp (xmlTextReaderPtr reader,
253 XMLPUBFUN int XMLCALL
254 xmlTextReaderGetParserProp (xmlTextReaderPtr reader,
256 XMLPUBFUN xmlNodePtr XMLCALL
257 xmlTextReaderCurrentNode (xmlTextReaderPtr reader);
259 XMLPUBFUN int XMLCALL
260 xmlTextReaderGetParserLineNumber(xmlTextReaderPtr reader);
262 XMLPUBFUN int XMLCALL
263 xmlTextReaderGetParserColumnNumber(xmlTextReaderPtr reader);
265 XMLPUBFUN xmlNodePtr XMLCALL
266 xmlTextReaderPreserve (xmlTextReaderPtr reader);
267 #ifdef LIBXML_PATTERN_ENABLED
268 XMLPUBFUN int XMLCALL
269 xmlTextReaderPreservePattern(xmlTextReaderPtr reader,
270 const xmlChar *pattern,
271 const xmlChar **namespaces);
272 #endif /* LIBXML_PATTERN_ENABLED */
273 XMLPUBFUN xmlDocPtr XMLCALL
274 xmlTextReaderCurrentDoc (xmlTextReaderPtr reader);
275 XMLPUBFUN xmlNodePtr XMLCALL
276 xmlTextReaderExpand (xmlTextReaderPtr reader);
277 XMLPUBFUN int XMLCALL
278 xmlTextReaderNext (xmlTextReaderPtr reader);
279 XMLPUBFUN int XMLCALL
280 xmlTextReaderNextSibling (xmlTextReaderPtr reader);
281 XMLPUBFUN int XMLCALL
282 xmlTextReaderIsValid (xmlTextReaderPtr reader);
283 #ifdef LIBXML_SCHEMAS_ENABLED
284 XMLPUBFUN int XMLCALL
285 xmlTextReaderRelaxNGValidate(xmlTextReaderPtr reader,
287 XMLPUBFUN int XMLCALL
288 xmlTextReaderRelaxNGValidateCtxt(xmlTextReaderPtr reader,
289 xmlRelaxNGValidCtxtPtr ctxt,
292 XMLPUBFUN int XMLCALL
293 xmlTextReaderRelaxNGSetSchema(xmlTextReaderPtr reader,
294 xmlRelaxNGPtr schema);
295 XMLPUBFUN int XMLCALL
296 xmlTextReaderSchemaValidate (xmlTextReaderPtr reader,
298 XMLPUBFUN int XMLCALL
299 xmlTextReaderSchemaValidateCtxt(xmlTextReaderPtr reader,
300 xmlSchemaValidCtxtPtr ctxt,
302 XMLPUBFUN int XMLCALL
303 xmlTextReaderSetSchema (xmlTextReaderPtr reader,
304 xmlSchemaPtr schema);
306 XMLPUBFUN const xmlChar * XMLCALL
307 xmlTextReaderConstXmlVersion(xmlTextReaderPtr reader);
308 XMLPUBFUN int XMLCALL
309 xmlTextReaderStandalone (xmlTextReaderPtr reader);
315 XMLPUBFUN long XMLCALL
316 xmlTextReaderByteConsumed (xmlTextReaderPtr reader);
319 * New more complete APIs for simpler creation and reuse of readers
321 XMLPUBFUN xmlTextReaderPtr XMLCALL
322 xmlReaderWalker (xmlDocPtr doc);
323 XMLPUBFUN xmlTextReaderPtr XMLCALL
324 xmlReaderForDoc (const xmlChar * cur,
326 const char *encoding,
328 XMLPUBFUN xmlTextReaderPtr XMLCALL
329 xmlReaderForFile (const char *filename,
330 const char *encoding,
332 XMLPUBFUN xmlTextReaderPtr XMLCALL
333 xmlReaderForMemory (const char *buffer,
336 const char *encoding,
338 XMLPUBFUN xmlTextReaderPtr XMLCALL
339 xmlReaderForFd (int fd,
341 const char *encoding,
343 XMLPUBFUN xmlTextReaderPtr XMLCALL
344 xmlReaderForIO (xmlInputReadCallback ioread,
345 xmlInputCloseCallback ioclose,
348 const char *encoding,
351 XMLPUBFUN int XMLCALL
352 xmlReaderNewWalker (xmlTextReaderPtr reader,
354 XMLPUBFUN int XMLCALL
355 xmlReaderNewDoc (xmlTextReaderPtr reader,
358 const char *encoding,
360 XMLPUBFUN int XMLCALL
361 xmlReaderNewFile (xmlTextReaderPtr reader,
362 const char *filename,
363 const char *encoding,
365 XMLPUBFUN int XMLCALL
366 xmlReaderNewMemory (xmlTextReaderPtr reader,
370 const char *encoding,
372 XMLPUBFUN int XMLCALL
373 xmlReaderNewFd (xmlTextReaderPtr reader,
376 const char *encoding,
378 XMLPUBFUN int XMLCALL
379 xmlReaderNewIO (xmlTextReaderPtr reader,
380 xmlInputReadCallback ioread,
381 xmlInputCloseCallback ioclose,
384 const char *encoding,
387 * Error handling extensions
389 typedef void * xmlTextReaderLocatorPtr;
392 * xmlTextReaderErrorFunc:
393 * @arg: the user argument
395 * @severity: the severity of the error
396 * @locator: a locator indicating where the error occured
398 * Signature of an error callback from a reader parser
400 typedef void (XMLCALL *xmlTextReaderErrorFunc)(void *arg,
402 xmlParserSeverities severity,
403 xmlTextReaderLocatorPtr locator);
404 XMLPUBFUN int XMLCALL
405 xmlTextReaderLocatorLineNumber(xmlTextReaderLocatorPtr locator);
406 XMLPUBFUN xmlChar * XMLCALL
407 xmlTextReaderLocatorBaseURI (xmlTextReaderLocatorPtr locator);
408 XMLPUBFUN void XMLCALL
409 xmlTextReaderSetErrorHandler(xmlTextReaderPtr reader,
410 xmlTextReaderErrorFunc f,
412 XMLPUBFUN void XMLCALL
413 xmlTextReaderSetStructuredErrorHandler(xmlTextReaderPtr reader,
414 xmlStructuredErrorFunc f,
416 XMLPUBFUN void XMLCALL
417 xmlTextReaderGetErrorHandler(xmlTextReaderPtr reader,
418 xmlTextReaderErrorFunc *f,
421 #endif /* LIBXML_READER_ENABLED */
427 #endif /* __XML_XMLREADER_H__ */