1 files changed, 158 insertions, 0 deletions
diff --git a/ACEXML/common/NamespaceSupport.h b/ACEXML/common/NamespaceSupport.h
new file mode 100644
index 00000000000..df8c659aaa8
--- /dev/null
+++ b/ACEXML/common/NamespaceSupport.h
@@ -0,0 +1,158 @@
+// -*- C++ -*-  $Id$
+
+#ifndef ACEXML_NAMESPACESUPPORT_H
+#define ACEXML_NAMESPACESUPPORT_H
+
+#include "Common/XML_Types.h"
+#include "ace/Functor.h"
+#include "ace/Hash_Map_Manager.h"
+#include "ace/Containers_T.h"
+
+typedef ACE_Hash_Map_Entry<ACEXML_String,
+                           ACEXML_String> ACEXML_NS_CONTEXT_ENTRY;
+
+typedef ACE_Hash_Map_Manager_Ex<ACEXML_String,
+                                ACEXML_String,
+                                ACE_Hash<ACEXML_String>,
+                                ACE_Equal_To<ACEXML_String>,
+                                ACE_Null_Mutex> ACEXML_NS_CONTEXT;
+
+typedef ACE_Hash_Map_Iterator_Ex<ACEXML_String,
+                                 ACEXML_String,
+                                 ACE_Hash<ACEXML_String>,
+                                 ACE_Equal_To<ACEXML_String>,
+                                 ACE_Null_Mutex> ACEXML_NS_CONTEXT_ITER;
+
+typedef ACE_Hash_Map_Reverse_Iterator_Ex<ACEXML_String,
+                                         ACEXML_String,
+                                         ACE_Hash<ACEXML_String>,
+                                         ACE_Equal_To<ACEXML_String>,
+                                         ACE_Null_Mutex> ACEXML_NS_CONTEXT_REVERSE_ITER;
+
+typedef ACE_Unbounded_Queue<const ACEXML_Char *> ACEXML_STR_LIST;
+
+class ACEXML_Export ACEXML_Namespace_Context_Stack
+{
+public:
+  ACEXML_Namespace_Context_Stack (void);
+  ~ACEXML_Namespace_Context_Stack (void);
+
+  int push (ACEXML_NS_CONTEXT * old);
+  ACEXML_NS_CONTEXT *pop (void);
+
+private:
+  struct NS_Node_T {
+    ACEXML_NS_CONTEXT *item_;
+    struct NS_Node_T *next_;
+  };
+
+  NS_Node_T *head_;
+};
+
+class ACEXML_Export ACEXML_NamespaceSupport
+{
+public:
+  /**
+   * Default constructor.
+   */
+  ACEXML_NamespaceSupport (void);
+
+  /**
+   * Default destructor.
+   */
+  ~ACEXML_NamespaceSupport (void);
+
+  /**
+   * XMLNS default prefix and URI strings.
+   */
+  static const ACEXML_Char *XMLNS_PREFIX;
+  static const ACEXML_Char *XMLNS;
+
+  /**
+   * Declare a Namespace prefix.  Return -1 if the prefix was illegal
+   * or an internal error occured.  Return 0 if the prefix gets declared
+   * successfully, 1 if the prefix replaces an existing prefix definition.
+   */
+  int declarePrefix (const ACEXML_Char *prefix,
+                     const ACEXML_Char *uri);
+
+  /**
+   * Return all prefixes declared in current context in
+   * the user-supplied list @a prefixes.  It is user's reponsibility
+   * to ensure the list was empty originally.
+   */
+  int getDeclaredPrefixes (ACEXML_STR_LIST &prefixes) const;
+
+  /**
+   * Return one of the prefixes mapped to a Namespace URI.
+   */
+  const ACEXML_Char *getPrefix (const ACEXML_Char *uri) const;
+
+  /**
+   * Return all prefixes currently declared in the user-supplied list.
+   * @@ Known bug: This function should only return user-defined prefixes.
+   */
+  int getPrefixes (ACEXML_STR_LIST &prefixes) const;
+
+  /**
+   * Return all prefixes currently declared for a URI in the
+   * user-supplied list.
+   */
+  int getPrefixes (const ACEXML_Char *uri,
+                   ACEXML_STR_LIST &prefixes) const;
+
+  /**
+   * Look up a prefix and get the currently-mapped Namespace URI.
+   */
+  const ACEXML_Char *getURI (const ACEXML_Char *prefix) const;
+
+  /**
+   * Revert to the previous namespace context.
+   */
+  int popContext (void);
+
+  /**
+   * Process a raw XML 1.0 name.
+   * @a qName is the raw XML name we want to parse,
+   * @a uri contains the URI string of the raw name.  It points to a null
+   *    string if the namespace is not valid or there's no namespace defined.
+   * @a name contains the original name without the prefix.
+   * @a is_attribute specifies whether the name is an attribute or not.
+   *    Attributes have different scoping rules from elements.
+   */
+  int processName (const ACEXML_Char *qName,
+                   const ACEXML_Char *&uri,
+                   const ACEXML_Char *&name,
+                   int is_attribute) const;
+
+  /**
+   * Start a new Namespace context.  Prefixes defined in previous
+   * context are copied over to the new context.
+   */
+  int pushContext (void);
+
+  /**
+   * Reset this Namespace support object for reuse.
+   * @todo Not implemented.
+   */
+  int reset (void);
+
+private:
+  /**
+   * Namespace Context stack.  When we entering a new namespace
+   * context, the old context is duplicated and pushed into
+   * this stack.
+   */
+  ACEXML_Namespace_Context_Stack ns_stack_;
+
+  /**
+   * The effective namespace context.
+   */
+  ACEXML_NS_CONTEXT *effective_context_;
+};
+
+
+#if defined (__ACEXML_INLINE__)
+# include "Common/NamespaceSupport.i"
+#endif /* __ACEXML_INLINE__ */
+#endif /* ACEXML_NAMESPACESUPPORT_H */