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// Copyright (c) 2008, Google 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:
//
// * 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 with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "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 THE COPYRIGHT
// OWNER 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 KURLGoogleURL_h
#define KURLGoogleURL_h
#include "CString.h"
#include "googleurl/src/url_parse.h"
#include "googleurl/src/url_canon.h"
namespace WebCore {
class KURL;
class TextEncoding;
// Wraps the internals related to using Google-URL as the bnackend for KURL.
// This maintains the state and has auxiliary functions so that we don't need
// to uglify KURL.h while allowing Google-URL to be evaluated.
class GoogleURLPrivate {
public:
GoogleURLPrivate();
GoogleURLPrivate(const url_parse::Parsed& parsed, bool isValid);
// Initializes the object. This will call through to one of the backend
// initializers below depending on whether the string's internal
// representation is 8 or 16 bit.
void init(const KURL& base, const String& relative,
const TextEncoding* queryEncoding);
// Backend initializers. The query encoding parameters are optional and can
// be NULL (this implies UTF-8). These initializers require that the object
// has just been created and the strings are NULL. Do not call on an
// already-constructed object.
void init(const KURL& base, const char* rel, int relLen,
const TextEncoding* queryEncoding);
void init(const KURL& base, const UChar* rel, int relLen,
const TextEncoding* queryEncoding);
// Does a deep copy to the given output object.
void copyTo(GoogleURLPrivate* dest) const;
// Returns the substring of the input identified by the given component.
String componentString(const url_parse::Component& comp) const;
// Replaces the given components, modifying the current URL. The current
// URL must be valid.
typedef url_canon::Replacements<url_parse::UTF16Char> Replacements;
void replaceComponents(const Replacements& replacements);
// Setters for the data. Using the ASCII version when you know the
// data is ASCII will be slightly more efficient. The UTF-8 version
// will always be correct if the caller is unsure.
void setUtf8(const char* data, int dataLen);
void setAscii(const char* data, int dataLen);
// TODO(brettw) we can support an additional optimization. Make this
// buffer support both optinal Strings and UTF-8 data. This way, we can use
// the optimization from the original KURL which uses = with the original
// string when canonicalization did not change it. This allows the strings
// to share a buffer internally, and saves a malloc.
// Getters for the data.
const CString& utf8String() const { return m_utf8; }
const String& string() const;
bool m_isValid;
url_parse::Parsed m_parsed; // Indexes into the UTF-8 version of the string.
private:
CString m_utf8;
// Set to true when the caller set us using the ASCII setter. We can
// be more efficient when we know there is no UTF-8 to worry about.
// This flag is currently always correct, but should be changed to be a
// hint (see setUtf8).
bool m_utf8IsASCII;
mutable bool m_stringIsValid;
mutable String m_string;
};
} // namespace WebCore
#endif // KURLGoogleURL_h
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