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git-svn-id: http://svn.miranda-ng.org/main/trunk@2 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

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diff --git a/plugins/variables/libxml/c14n.h b/plugins/variables/libxml/c14n.h
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+++ b/plugins/variables/libxml/c14n.h
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+/*
+ * "Canonical XML" implementation 
+ * http://www.w3.org/TR/xml-c14n
+ * 
+ * "Exclusive XML Canonicalization" implementation
+ * http://www.w3.org/TR/xml-exc-c14n
+ 
+ * See Copyright for the status of this software.
+ * 
+ * Author: Aleksey Sanin <aleksey@aleksey.com>
+ */
+#ifndef __XML_C14N_H__
+#define __XML_C14N_H__    
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */ 
+
+#include <libxml/tree.h>
+#include <libxml/xpath.h> 
+
+/*
+ * XML Canonicazation
+ * http://www.w3.org/TR/xml-c14n
+ *
+ * Exclusive XML Canonicazation
+ * http://www.w3.org/TR/xml-exc-c14n
+ *
+ * Canonical form of an XML document could be created if and only if
+ *  a) default attributes (if any) are added to all nodes
+ *  b) all character and parsed entity references are resolved
+ * In order to achive this in libxml2 the document MUST be loaded with 
+ * following global setings:
+ *    
+ *    xmlLoadExtDtdDefaultValue = XML_DETECT_IDS | XML_COMPLETE_ATTRS;
+ *    xmlSubstituteEntitiesDefault(1);
+ *
+ * or corresponding parser context setting:
+ *    xmlParserCtxtPtr ctxt;
+ *    
+ *    ... 
+ *    ctxt->loadsubset = XML_DETECT_IDS | XML_COMPLETE_ATTRS;
+ *    ctxt->replaceEntities = 1;
+ *    ...
+ */
+
+
+int 		xmlC14NDocSaveTo	(xmlDocPtr doc,
+					 xmlNodeSetPtr nodes,
+					 int exclusive,
+					 xmlChar **inclusive_ns_prefixes,
+					 int with_comments, 
+					 xmlOutputBufferPtr buf);
+
+int 		xmlC14NDocDumpMemory	(xmlDocPtr doc,
+					 xmlNodeSetPtr nodes,
+					 int exclusive,
+					 xmlChar **inclusive_ns_prefixes,
+					 int with_comments, 
+					 xmlChar **doc_txt_ptr);
+
+int 		xmlC14NDocSave		(xmlDocPtr doc,
+					 xmlNodeSetPtr nodes,
+					 int exclusive,
+					 xmlChar **inclusive_ns_prefixes,
+					 int with_comments, 
+					 const char* filename,
+					 int compression);
+
+
+/**
+ * This is the core C14N function
+ */
+typedef int (*xmlC14NIsVisibleCallback)	(void* user_data, 
+					 xmlNodePtr node,
+					 xmlNodePtr parent);
+
+int 		xmlC14NExecute		(xmlDocPtr doc,
+					 xmlC14NIsVisibleCallback is_visible_callback,
+					 void* user_data,				 
+					 int exclusive,
+					 xmlChar **inclusive_ns_prefixes,
+					 int with_comments, 
+					 xmlOutputBufferPtr buf);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __XML_C14N_H__ */
+