1 files changed, 60 insertions, 0 deletions
diff --git a/parser/html/nsHtml5ArrayCopy.h b/parser/html/nsHtml5ArrayCopy.h
new file mode 100644
index 0000000000..78c2d9c1b3
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+++ b/parser/html/nsHtml5ArrayCopy.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2008 Mozilla Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef nsHtml5ArrayCopy_h
+#define nsHtml5ArrayCopy_h
+
+class nsHtml5StackNode;
+
+// Unfortunately, these don't work as template functions because the arguments
+// would need coercion from a template class, which complicates things.
+class nsHtml5ArrayCopy {
+ public:
+  static inline void arraycopy(char16_t* source, int32_t sourceOffset,
+                               char16_t* target, int32_t targetOffset,
+                               int32_t length) {
+    memcpy(&(target[targetOffset]), &(source[sourceOffset]),
+           size_t(length) * sizeof(char16_t));
+  }
+
+  static inline void arraycopy(char16_t* source, char16_t* target,
+                               int32_t length) {
+    memcpy(target, source, size_t(length) * sizeof(char16_t));
+  }
+
+  static inline void arraycopy(int32_t* source, int32_t* target,
+                               int32_t length) {
+    memcpy(target, source, size_t(length) * sizeof(int32_t));
+  }
+
+  static inline void arraycopy(nsHtml5StackNode** source,
+                               nsHtml5StackNode** target, int32_t length) {
+    memcpy(target, source, size_t(length) * sizeof(nsHtml5StackNode*));
+  }
+
+  static inline void arraycopy(nsHtml5StackNode** arr, int32_t sourceOffset,
+                               int32_t targetOffset, int32_t length) {
+    memmove(&(arr[targetOffset]), &(arr[sourceOffset]),
+            size_t(length) * sizeof(nsHtml5StackNode*));
+  }
+};
+#endif  // nsHtml5ArrayCopy_h