Prepare API for webkit use of Latin-1

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * 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
@@ skipping 1046 matching lines @@
 
 
 /**
  * A JavaScript string value (ECMA-262, 4.3.17).
  */
 class String : public Primitive {
  public:
   enum Encoding {
     UNKNOWN_ENCODING = 0x1,
     TWO_BYTE_ENCODING = 0x0,
-    ASCII_ENCODING = 0x4
+    ASCII_ENCODING = 0x4,
+    ONE_BYTE_ENCODING = 0x4
   };
   /**
    * Returns the number of characters in this string.
    */
   V8EXPORT int Length() const;
 
   /**
    * Returns the number of bytes in the UTF-8 encoded
    * representation of this string.
    */
   V8EXPORT int Utf8Length() const;
 
   /**
    * A fast conservative check for non-ASCII characters.  May
    * return true even for ASCII strings, but if it returns
    * false you can be sure that all characters are in the range
    * 0-127.
    */
   V8EXPORT bool MayContainNonAscii() const;
 
   /**
+   * Returns whether this string contains only one byte data.
+   */
+  V8EXPORT bool IsOneByte() const;
+
+  /**
    * Write the contents of the string to an external buffer.
    * If no arguments are given, expects the buffer to be large
    * enough to hold the entire string and NULL terminator. Copies
    * the contents of the string and the NULL terminator into the
    * buffer.
    *
    * WriteUtf8 will not write partial UTF-8 sequences, preferring to stop
    * before the end of the buffer.
    *
    * Copies up to length characters into the output buffer.
@@ skipping 21 matching lines @@
   // 16-bit character codes.
   V8EXPORT int Write(uint16_t* buffer,
                      int start = 0,
                      int length = -1,
                      int options = NO_OPTIONS) const;
   // ASCII characters.
   V8EXPORT int WriteAscii(char* buffer,
                           int start = 0,
                           int length = -1,
                           int options = NO_OPTIONS) const;
+  // One byte characters.
+  V8EXPORT int WriteOneByte(uint8_t* buffer,
+                            int start = 0,
+                            int length = -1,
+                            int options = NO_OPTIONS) const;
   // UTF-8 encoded characters.
   V8EXPORT int WriteUtf8(char* buffer,
                          int length = -1,
                          int* nchars_ref = NULL,
                          int options = NO_OPTIONS) const;
 
   /**
    * A zero length string.
    */
   V8EXPORT static v8::Local<v8::String> Empty();
@@ skipping 81 matching lines @@
      */
     virtual ~ExternalAsciiStringResource() {}
     /** The string data from the underlying buffer.*/
     virtual const char* data() const = 0;
     /** The number of ASCII characters in the string.*/
     virtual size_t length() const = 0;
    protected:
     ExternalAsciiStringResource() {}
   };
 
+  typedef ExternalAsciiStringResource ExternalOneByteStringResource;
+
   /**
    * If the string is an external string, return the ExternalStringResourceBase
    * regardless of the encoding, otherwise return NULL.  The encoding of the
    * string is returned in encoding_out.
    */
   V8_INLINE(ExternalStringResourceBase* GetExternalStringResourceBase(
       Encoding* encoding_out) const);
 
   /**
    * Get the ExternalStringResource for an external string.  Returns
@@ skipping 3621 matching lines @@
 
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_