Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 86 insertions, 0 deletions

diff --git a/Source/WebCore/platform/text/TextCodec.h b/Source/WebCore/platform/text/TextCodec.h
new file mode 100644
index 0000000..c6af38a
--- /dev/null
+++ b/Source/WebCore/platform/text/TextCodec.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2004, 2006 Apple Computer, Inc.  All rights reserved.
+ * Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com>
+ *
+ * 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 TextCodec_h
+#define TextCodec_h
+
+#include <memory>
+#include <wtf/Forward.h>
+#include <wtf/Noncopyable.h>
+#include <wtf/PassOwnPtr.h>
+#include <wtf/Vector.h>
+#include <wtf/unicode/Unicode.h>
+
+#include "PlatformString.h"
+
+namespace WebCore {
+    class TextEncoding;
+
+    // Specifies what will happen when a character is encountered that is
+    // not encodable in the character set.
+    enum UnencodableHandling {
+        // Substitutes the replacement character "?".
+        QuestionMarksForUnencodables,
+
+        // Encodes the character as an XML entity. For example, U+06DE
+        // would be "&#1758;" (0x6DE = 1758 in octal).
+        EntitiesForUnencodables,
+
+        // Encodes the character as en entity as above, but escaped
+        // non-alphanumeric characters. This is used in URLs.
+        // For example, U+6DE would be "%26%231758%3B".
+        URLEncodedEntitiesForUnencodables,
+    };
+
+    typedef char UnencodableReplacementArray[32];
+
+    class TextCodec : public Noncopyable {
+    public:
+        virtual ~TextCodec();
+
+        String decode(const char* str, size_t length, bool flush = false)
+        {
+            bool ignored;
+            return decode(str, length, flush, false, ignored);
+        }
+        
+        virtual String decode(const char*, size_t length, bool flush, bool stopOnError, bool& sawError) = 0;
+        virtual CString encode(const UChar*, size_t length, UnencodableHandling) = 0;
+
+        // Fills a null-terminated string representation of the given
+        // unencodable character into the given replacement buffer. 
+        // The length of the string (not including the null) will be returned.
+        static int getUnencodableReplacement(unsigned codePoint, UnencodableHandling, UnencodableReplacementArray);
+    };
+
+    typedef void (*EncodingNameRegistrar)(const char* alias, const char* name);
+
+    typedef PassOwnPtr<TextCodec> (*NewTextCodecFunction)(const TextEncoding&, const void* additionalData);
+    typedef void (*TextCodecRegistrar)(const char* name, NewTextCodecFunction, const void* additionalData);
+
+} // namespace WebCore
+
+#endif // TextCodec_h