1 files changed, 139 insertions, 0 deletions
diff --git a/include/xmlsec/nodeset.h b/include/xmlsec/nodeset.h
new file mode 100644
index 00000000..104e04fa
--- /dev/null
+++ b/include/xmlsec/nodeset.h
@@ -0,0 +1,139 @@
+/**
+ * XML Security Library (http://www.aleksey.com/xmlsec).
+ *
+ * Enchanced nodes Set
+ *
+ * This is free software; see Copyright file in the source
+ * distribution for preciese wording.
+ *
+ * Copyright (C) 2002-2003 Aleksey Sanin <aleksey@aleksey.com>
+ */
+#ifndef __XMLSEC_NODESET_H__
+#define __XMLSEC_NODESET_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include <libxml/tree.h>
+#include <libxml/xpath.h>
+
+#include <xmlsec/xmlsec.h>
+
+typedef struct _xmlSecNodeSet   xmlSecNodeSet, *xmlSecNodeSetPtr;
+
+/**
+ * xmlSecNodeSetType:
+ * @xmlSecNodeSetNormal:        nodes set = nodes in the list.
+ * @xmlSecNodeSetInvert:        nodes set = all document nodes minus nodes in the list.
+ * @xmlSecNodeSetTree:          nodes set = nodes in the list and all their subtress.
+ * @xmlSecNodeSetTreeWithoutComments:           nodes set = nodes in the list and
+ *                              all their subtress but no comment nodes.
+ * @xmlSecNodeSetTreeInvert:    nodes set = all document nodes minus nodes in the
+ *                              list and all their subtress.
+ * @xmlSecNodeSetTreeWithoutCommentsInvert:     nodes set = all document nodes
+ *                              minus (nodes in the list and all their subtress
+ *                              plus all comment nodes).
+ * @xmlSecNodeSetList:          nodes set = all nodes in the chidren list of nodes sets.
+ *
+ * The basic nodes sets types.
+ */
+typedef enum {
+    xmlSecNodeSetNormal = 0,
+    xmlSecNodeSetInvert,
+    xmlSecNodeSetTree,
+    xmlSecNodeSetTreeWithoutComments,
+    xmlSecNodeSetTreeInvert,
+    xmlSecNodeSetTreeWithoutCommentsInvert,
+    xmlSecNodeSetList
+} xmlSecNodeSetType;
+
+/**
+ * xmlSecNodeSetOp:
+ * @xmlSecNodeSetIntersection:  intersection.
+ * @xmlSecNodeSetSubtraction:   subtraction.
+ * @xmlSecNodeSetUnion:         union.
+ *
+ * The simple nodes sets operations.
+ */
+typedef enum {
+    xmlSecNodeSetIntersection = 0,
+    xmlSecNodeSetSubtraction,
+    xmlSecNodeSetUnion
+} xmlSecNodeSetOp;
+
+/**
+ * xmlSecNodeSet:
+ * @nodes:                      the nodes list.
+ * @doc:                        the parent XML document.
+ * @destroyDoc:                 the flag: if set to 1 then @doc will
+ *                              be destroyed when node set is destroyed.
+ * @type:                       the nodes set type.
+ * @op:                         the operation type.
+ * @next:                       the next nodes set.
+ * @prev:                       the previous nodes set.
+ * @children:                   the children list (valid only if type
+ *                              equal to #xmlSecNodeSetList).
+ *
+ * The enchanced nodes set.
+ */
+struct _xmlSecNodeSet {
+    xmlNodeSetPtr       nodes;
+    xmlDocPtr           doc;
+    int                 destroyDoc;
+    xmlSecNodeSetType   type;
+    xmlSecNodeSetOp     op;
+    xmlSecNodeSetPtr    next;
+    xmlSecNodeSetPtr    prev;
+    xmlSecNodeSetPtr    children;
+};
+
+/**
+ * xmlSecNodeSetWalkCallback:
+ * @nset:                       the pointer to #xmlSecNodeSet structure.
+ * @cur:                        the pointer current XML node.
+ * @parent:                     the pointer to the @cur parent node.
+ * @data:                       the pointer to application specific data.
+ *
+ * The callback function called once per each node in the nodes set.
+ *
+ * Returns: 0 on success or a negative value if an error occurs
+ * an walk procedure should be interrupted.
+ */
+typedef int (*xmlSecNodeSetWalkCallback)                (xmlSecNodeSetPtr nset,
+                                                         xmlNodePtr cur,
+                                                         xmlNodePtr parent,
+                                                         void* data);
+
+XMLSEC_EXPORT xmlSecNodeSetPtr  xmlSecNodeSetCreate     (xmlDocPtr doc,
+                                                         xmlNodeSetPtr nodes,
+                                                         xmlSecNodeSetType type);
+XMLSEC_EXPORT void              xmlSecNodeSetDestroy    (xmlSecNodeSetPtr nset);
+XMLSEC_EXPORT void              xmlSecNodeSetDocDestroy (xmlSecNodeSetPtr nset);
+XMLSEC_EXPORT int               xmlSecNodeSetContains   (xmlSecNodeSetPtr nset,
+                                                         xmlNodePtr node,
+                                                         xmlNodePtr parent);
+XMLSEC_EXPORT xmlSecNodeSetPtr  xmlSecNodeSetAdd        (xmlSecNodeSetPtr nset,
+                                                         xmlSecNodeSetPtr newNSet,
+                                                         xmlSecNodeSetOp op);
+XMLSEC_EXPORT xmlSecNodeSetPtr  xmlSecNodeSetAddList    (xmlSecNodeSetPtr nset,
+                                                         xmlSecNodeSetPtr newNSet,
+                                                         xmlSecNodeSetOp op);
+XMLSEC_EXPORT xmlSecNodeSetPtr  xmlSecNodeSetGetChildren(xmlDocPtr doc,
+                                                         const xmlNodePtr parent,
+                                                         int withComments,
+                                                         int invert);
+XMLSEC_EXPORT int               xmlSecNodeSetWalk       (xmlSecNodeSetPtr nset,
+                                                         xmlSecNodeSetWalkCallback walkFunc,
+                                                         void* data);
+XMLSEC_EXPORT int               xmlSecNodeSetDumpTextNodes(xmlSecNodeSetPtr nset,
+                                                        xmlOutputBufferPtr out);
+XMLSEC_EXPORT void              xmlSecNodeSetDebugDump  (xmlSecNodeSetPtr nset,
+                                                         FILE *output);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __XMLSEC_NODESET_H__ */
+