--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textshaperplugin/IcuSource/layout/StateTableProcessor.cpp	Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,77 @@
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "MorphTables.h"
+#include "StateTables.h"
+#include "MorphStateTables.h"
+#include "SubtableProcessor.h"
+#include "StateTableProcessor.h"
+#include "LEGlyphStorage.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+StateTableProcessor::StateTableProcessor()
+{
+}
+
+StateTableProcessor::StateTableProcessor(const MorphSubtableHeader *morphSubtableHeader)
+  : SubtableProcessor(morphSubtableHeader)
+{
+    stateTableHeader = (const MorphStateTableHeader *) morphSubtableHeader;
+
+    stateSize = SWAPW(stateTableHeader->stHeader.stateSize);
+    classTableOffset = SWAPW(stateTableHeader->stHeader.classTableOffset);
+    stateArrayOffset = SWAPW(stateTableHeader->stHeader.stateArrayOffset);
+    entryTableOffset = SWAPW(stateTableHeader->stHeader.entryTableOffset);
+
+    classTable = (const ClassTable *) ((char *) &stateTableHeader->stHeader + classTableOffset);
+    firstGlyph = SWAPW(classTable->firstGlyph);
+    lastGlyph  = firstGlyph + SWAPW(classTable->nGlyphs);
+}
+
+StateTableProcessor::~StateTableProcessor()
+{
+}
+
+void StateTableProcessor::process(LEGlyphStorage &glyphStorage)
+{
+    // Start at state 0
+    // XXX: How do we know when to start at state 1?
+    ByteOffset currentState = stateArrayOffset;
+
+    // XXX: reverse? 
+    le_int32 currGlyph = 0;
+    le_int32 glyphCount = glyphStorage.getGlyphCount();
+
+    beginStateTable();
+
+    while (currGlyph <= glyphCount) {
+        ClassCode classCode = classCodeOOB;
+        if (currGlyph == glyphCount) {
+            // XXX: How do we handle EOT vs. EOL?
+            classCode = classCodeEOT;
+        } else {
+            TTGlyphID glyphCode = (TTGlyphID) LE_GET_GLYPH(glyphStorage[currGlyph]);
+
+            if (glyphCode == 0xFFFF) {
+                classCode = classCodeDEL;
+            } else if ((glyphCode >= firstGlyph) && (glyphCode < lastGlyph)) {
+                classCode = classTable->classArray[glyphCode - firstGlyph];
+            }
+        }
+
+        const EntryTableIndex *stateArray = (const EntryTableIndex *) ((char *) &stateTableHeader->stHeader + currentState);
+        EntryTableIndex entryTableIndex = stateArray[(le_uint8)classCode];
+
+        currentState = processStateEntry(glyphStorage, currGlyph, entryTableIndex);
+    }
+
+    endStateTable();
+}
+
+U_NAMESPACE_END