1 files changed, 58 insertions, 0 deletions
diff --git a/dom/xslt/xslt/txNodeSorter.h b/dom/xslt/xslt/txNodeSorter.h
new file mode 100644
index 000000000..a3c2b73ab
--- /dev/null
+++ b/dom/xslt/xslt/txNodeSorter.h
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef TRANSFRMX_NODESORTER_H
+#define TRANSFRMX_NODESORTER_H
+
+#include "txCore.h"
+#include "txList.h"
+
+class Expr;
+class txExecutionState;
+class txNodeSet;
+class txObject;
+class txXPathResultComparator;
+class txIEvalContext;
+class txNodeSetContext;
+
+/*
+ * Sorts Nodes as specified by the W3C XSLT 1.0 Recommendation
+ */
+
+class txNodeSorter
+{
+public:
+    txNodeSorter();
+    ~txNodeSorter();
+
+    nsresult addSortElement(Expr* aSelectExpr, Expr* aLangExpr,
+                            Expr* aDataTypeExpr, Expr* aOrderExpr,
+                            Expr* aCaseOrderExpr, txIEvalContext* aContext);
+    nsresult sortNodeSet(txNodeSet* aNodes, txExecutionState* aEs,
+                         txNodeSet** aResult);
+
+private:
+    struct SortData
+    {
+        txNodeSorter* mNodeSorter;
+        txNodeSetContext* mContext;
+        txObject** mSortValues;
+        nsresult mRv;
+    };
+    struct SortKey
+    {
+        Expr* mExpr;
+        txXPathResultComparator* mComparator;
+    };
+
+    static int compareNodes(const void* aIndexA, const void* aIndexB,
+                            void* aSortData);
+    static bool calcSortValue(txObject*& aSortValue, SortKey* aKey,
+                              SortData* aSortData, uint32_t aNodeIndex);
+    txList mSortKeys;
+    unsigned int mNKeys;
+};
+
+#endif