1 files changed, 144 insertions, 0 deletions
diff --git a/gpr/source/lib/xmp_core/XMPIterator.hpp b/gpr/source/lib/xmp_core/XMPIterator.hpp
new file mode 100644
index 0000000..30146ae
--- /dev/null
+++ b/gpr/source/lib/xmp_core/XMPIterator.hpp
@@ -0,0 +1,144 @@
+#ifndef __XMPIterator_hpp__
+#define __XMPIterator_hpp__
+
+// =================================================================================================
+// Copyright 2003 Adobe Systems Incorporated
+// All Rights Reserved.
+//
+// NOTICE:  Adobe permits you to use, modify, and distribute this file in accordance with the terms
+// of the Adobe license agreement accompanying it.
+// =================================================================================================
+
+#include "public/include/XMP_Environment.h"
+#include "public/include/XMP_Const.h"
+#include "XMPMeta.hpp"
+
+// =================================================================================================
+
+struct IterNode;
+typedef std::vector < IterNode >	IterOffspring;
+typedef IterOffspring::iterator		IterPos;
+
+typedef std::pair < IterPos, IterPos > IterPosPair;
+typedef std::vector < IterPosPair >	IterPosStack;
+
+enum {	// Values for the visitStage field, used to decide how to proceed past a node.
+	kIter_BeforeVisit		= 0,	// Have not visited this node at all.
+	kIter_VisitSelf			= 1,	// Have visited this node and returned its value/options portion.
+	kIter_VisitQualifiers	= 2,	// In the midst of visiting this node's qualifiers.
+	kIter_VisitChildren		= 3		// In the midst of visiting this node's children.
+};
+
+struct IterNode {
+
+	XMP_OptionBits	options;
+	XMP_VarString	fullPath;
+	size_t			leafOffset;
+	IterOffspring	children, qualifiers;
+	XMP_Uns8		visitStage;
+	#if 0	// *** XMP_DebugBuild
+		XMP_StringPtr	_pathPtr, _leafPtr;	// *** Not working, need operator=?
+	#endif
+
+	IterNode() : options(0), leafOffset(0), visitStage(kIter_BeforeVisit)
+	{
+		#if 0	// *** XMP_DebugBuild
+			_pathPtr = _leafPtr = 0;
+		#endif
+	};
+
+	IterNode ( XMP_OptionBits _options, const XMP_VarString& _fullPath, size_t _leafOffset )
+			 : options(_options), fullPath(_fullPath), leafOffset(_leafOffset), visitStage(kIter_BeforeVisit)
+	{
+		#if 0	// *** XMP_DebugBuild
+			_pathPtr = fullPath.c_str();
+			_leafPtr = _pathPtr + leafOffset;
+		#endif
+	};
+
+};
+
+struct IterInfo {
+
+	XMP_OptionBits	options;
+	const XMPMeta *	xmpObj;
+	XMP_VarString	currSchema;
+	IterPos			currPos, endPos;
+	IterPosStack	ancestors;
+	IterNode 		tree;
+	#if 0	// *** XMP_DebugBuild
+		XMP_StringPtr	_schemaPtr;	// *** Not working, need operator=?
+	#endif
+
+	IterInfo() : options(0), xmpObj(0)
+	{
+		#if 0	// *** XMP_DebugBuild
+			_schemaPtr = 0;
+		#endif
+	};
+
+	IterInfo ( XMP_OptionBits _options, const XMPMeta * _xmpObj ) : options(_options), xmpObj(_xmpObj)
+	{
+		#if 0	// *** XMP_DebugBuild
+			_schemaPtr = 0;
+		#endif
+	};
+
+};
+
+// =================================================================================================
+
+class XMPIterator {
+public:
+	
+	static bool
+	Initialize();	// ! For internal use only!
+	
+	static void
+	Terminate() RELEASE_NO_THROW;	// ! For internal use only!
+
+	XMPIterator ( const XMPMeta & xmpObj,	// Construct a property iterator.
+				  XMP_StringPtr	  schemaNS,
+				  XMP_StringPtr	  propName,
+				  XMP_OptionBits  options );
+
+	XMPIterator	( XMP_StringPtr	 schemaNS,	// Construct a table iterator.
+				  XMP_StringPtr	 propName,
+				  XMP_OptionBits options );
+
+	virtual ~XMPIterator() RELEASE_NO_THROW;
+
+	bool
+	Next ( XMP_StringPtr *  schemaNS,
+		   XMP_StringLen *  nsSize,
+		   XMP_StringPtr *  propPath,
+		   XMP_StringLen *  pathSize,
+		   XMP_StringPtr *  propValue,
+		   XMP_StringLen *  valueSize,
+		   XMP_OptionBits * propOptions );
+
+	void
+	Skip ( XMP_OptionBits options );
+
+	// ! Expose so that wrappers and file static functions can see the data.
+
+	XMP_Int32 clientRefs;	// ! Must be signed to allow decrement from 0.
+	XMP_ReadWriteLock lock;
+
+	IterInfo info;
+
+private:
+
+	// ! These are hidden on purpose:
+	XMPIterator() : clientRefs(0)
+		{ XMP_Throw ( "Call to hidden constructor", kXMPErr_InternalFailure ); };
+	XMPIterator ( const XMPIterator & /* original */ ) : clientRefs(0)
+		{ XMP_Throw ( "Call to hidden constructor", kXMPErr_InternalFailure ); };
+	void operator= ( const XMPIterator & /* rhs */ )
+		{ XMP_Throw ( "Call to hidden operator=", kXMPErr_InternalFailure ); };
+
+};
+
+// =================================================================================================
+
+#endif	// __XMPIterator_hpp__