1 files changed, 116 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/string/public/nsLiteralString.h b/src/libs/xpcom18a4/xpcom/string/public/nsLiteralString.h
new file mode 100644
index 00000000..ba536297
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/string/public/nsLiteralString.h
@@ -0,0 +1,116 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Scott Collins <scc@mozilla.org> (original author)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsLiteralString_h___
+#define nsLiteralString_h___
+
+#ifndef nscore_h___
+#include "nscore.h"
+#endif
+
+#ifndef nsDependentString_h___
+#include "nsDependentString.h"
+#endif
+
+
+#if 0
+inline
+const nsDependentString
+literal_string( const nsAString::char_type* aPtr )
+  {
+    return nsDependentString(aPtr);
+  }
+
+inline
+const nsDependentString
+literal_string( const nsAString::char_type* aPtr, PRUint32 aLength )
+  {
+    return nsDependentString(aPtr, aLength);
+  }
+
+inline
+const nsDependentCString
+literal_string( const nsACString::char_type* aPtr )
+  {
+    return nsDependentCString(aPtr);
+  }
+
+inline
+const nsDependentCString
+literal_string( const nsACString::char_type* aPtr, PRUint32 aLength )
+  {
+    return nsDependentCString(aPtr, aLength);
+  }
+#endif
+
+#ifdef HAVE_CPP_2BYTE_WCHAR_T
+  #define NS_LL(s)                                L##s
+  #define NS_MULTILINE_LITERAL_STRING(s)          nsDependentString(NS_REINTERPRET_CAST(const nsAString::char_type*, s), PRUint32((sizeof(s)/sizeof(wchar_t))-1))
+  #define NS_MULTILINE_LITERAL_STRING_INIT(n,s)   n(NS_REINTERPRET_CAST(const nsAString::char_type*, s), PRUint32((sizeof(s)/sizeof(wchar_t))-1))
+  #define NS_NAMED_MULTILINE_LITERAL_STRING(n,s)  const nsDependentString n(NS_REINTERPRET_CAST(const nsAString::char_type*, s), PRUint32((sizeof(s)/sizeof(wchar_t))-1))
+  typedef nsDependentString nsLiteralString;
+#else
+  #define NS_LL(s)                                s
+  #define NS_MULTILINE_LITERAL_STRING(s)          NS_ConvertASCIItoUTF16(s, PRUint32(sizeof(s)-1))
+  #define NS_MULTILINE_LITERAL_STRING_INIT(n,s)   n(s, PRUint32(sizeof(s)-1))
+  #define NS_NAMED_MULTILINE_LITERAL_STRING(n,s)  const NS_ConvertASCIItoUTF16 n(s, PRUint32(sizeof(s)-1))
+  typedef NS_ConvertASCIItoUTF16 nsLiteralString;
+#endif
+
+/*
+ * Macro arguments used in concatenation or stringification won't be expanded.
+ * Therefore, in order for |NS_L(FOO)| to work as expected (which is to expand
+ * |FOO| before doing whatever |NS_L| needs to do to it) a helper macro needs
+ * to be inserted in between to allow the macro argument to expand.
+ * See "3.10.6 Separate Expansion of Macro Arguments" of the CPP manual for a
+ * more accurate and precise explanation.
+ */
+
+#define NS_L(s)                                   NS_LL(s)
+
+#define NS_LITERAL_STRING(s)                      NS_STATIC_CAST(const nsAFlatString&, NS_MULTILINE_LITERAL_STRING(NS_LL(s)))
+#define NS_LITERAL_STRING_INIT(n,s)               NS_MULTILINE_LITERAL_STRING_INIT(n, NS_LL(s))
+#define NS_NAMED_LITERAL_STRING(n,s)              NS_NAMED_MULTILINE_LITERAL_STRING(n, NS_LL(s))
+
+#define NS_LITERAL_CSTRING(s)                     NS_STATIC_CAST(const nsDependentCString&, nsDependentCString(s, PRUint32(sizeof(s)-1)))
+#define NS_LITERAL_CSTRING_INIT(n,s)              n(s, PRUint32(sizeof(s)-1))
+#define NS_NAMED_LITERAL_CSTRING(n,s)             const nsDependentCString n(s, PRUint32(sizeof(s)-1))
+
+typedef nsDependentCString nsLiteralCString;
+
+#endif /* !defined(nsLiteralString_h___) */