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// Copyright 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 CHROME_BROWSER_TEMPLATE_URL_PARSER_H__
#define CHROME_BROWSER_TEMPLATE_URL_PARSER_H__
#include <string>
#include "base/basictypes.h"
class TemplateURL;
// TemplateURLParser, as the name implies, handling reading of TemplateURLs
// from OpenSearch description documents.
class TemplateURLParser {
public:
class ParameterFilter {
public:
// Invoked for each parameter of the template URL while parsing. If this
// methods returns false, the parameter is not included.
virtual bool KeepParameter(const std::string& key,
const std::string& value) = 0;
};
// Decodes the chunk of data representing a TemplateURL. If data does
// not describe a valid TemplateURL false is returned. Additionally, if the
// URLs referenced do not point to valid http resources, false is returned.
// |parameter_filter| can be used if you want to filter out some parameters
// out of the URL. For example when importing from another browser we remove
// any parameter identifying that browser. If set to NULL, the URL is not
// modified.
//
// NOTE: This does not clear all values of the supplied TemplateURL; it's
// expected callers will supply a new TemplateURL to this method.
static bool Parse(const unsigned char* data,
size_t length,
ParameterFilter* parameter_filter,
TemplateURL* url);
private:
// No one should create one of these.
TemplateURLParser();
DISALLOW_EVIL_CONSTRUCTORS(TemplateURLParser);
};
#endif // CHROME_BROWSER_TEMPLATE_URL_PARSER_H__
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