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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__ */
+