Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 98 insertions, 0 deletions

diff --git a/Source/WebCore/platform/text/TextEncoding.h b/Source/WebCore/platform/text/TextEncoding.h
new file mode 100644
index 0000000..675625b
--- /dev/null
+++ b/Source/WebCore/platform/text/TextEncoding.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2004, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef TextEncoding_h
+#define TextEncoding_h
+
+#include "TextCodec.h"
+#include <wtf/Forward.h>
+#include <wtf/unicode/Unicode.h>
+
+namespace WebCore {
+
+    class TextEncoding {
+    public:
+        TextEncoding() : m_name(0) { }
+        TextEncoding(const char* name);
+        TextEncoding(const String& name);
+
+        bool isValid() const { return m_name; }
+        const char* name() const { return m_name; }
+        const char* domName() const; // name exposed via DOM
+        bool usesVisualOrdering() const;
+        bool isJapanese() const;
+        
+        PassRefPtr<StringImpl> displayString(PassRefPtr<StringImpl> str) const
+        {
+            if (m_backslashAsCurrencySymbol == '\\' || !str)
+                return str;
+            return str->replace('\\', m_backslashAsCurrencySymbol);
+        }
+        void displayBuffer(UChar* characters, unsigned len) const
+        {
+            if (m_backslashAsCurrencySymbol == '\\')
+                return;
+            for (unsigned i = 0; i < len; ++i) {
+                if (characters[i] == '\\')
+                    characters[i] = m_backslashAsCurrencySymbol;
+            }
+        }
+
+        const TextEncoding& closestByteBasedEquivalent() const;
+        const TextEncoding& encodingForFormSubmission() const;
+
+        String decode(const char* str, size_t length) const
+        {
+            bool ignored;
+            return decode(str, length, false, ignored);
+        }
+        String decode(const char*, size_t length, bool stopOnError, bool& sawError) const;
+        CString encode(const UChar*, size_t length, UnencodableHandling) const;
+
+        UChar backslashAsCurrencySymbol() const;
+
+    private:
+        bool isNonByteBasedEncoding() const;
+        bool isUTF7Encoding() const;
+
+        const char* m_name;
+        UChar m_backslashAsCurrencySymbol;
+    };
+
+    inline bool operator==(const TextEncoding& a, const TextEncoding& b) { return a.name() == b.name(); }
+    inline bool operator!=(const TextEncoding& a, const TextEncoding& b) { return a.name() != b.name(); }
+
+    const TextEncoding& ASCIIEncoding();
+    const TextEncoding& Latin1Encoding();
+    const TextEncoding& UTF16BigEndianEncoding();
+    const TextEncoding& UTF16LittleEndianEncoding();
+    const TextEncoding& UTF32BigEndianEncoding();
+    const TextEncoding& UTF32LittleEndianEncoding();
+    const TextEncoding& UTF8Encoding();
+    const TextEncoding& WindowsLatin1Encoding();
+
+} // namespace WebCore
+
+#endif // TextEncoding_h