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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_PARSER_H_
#define CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_PARSER_H_
#include <string>
#include "base/basictypes.h"
class Profile;
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;
protected:
virtual ~ParameterFilter() {}
};
// Decodes the chunk of data representing a TemplateURL, creates the
// TemplateURL, and returns it. The caller owns the returned object. Returns
// NULL if data does not describe a valid TemplateURL, the URLs referenced do
// not point to valid http/https resources, or for some other reason we do not
// support the described TemplateURL. |parameter_filter| can be used if you
// want to filter 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.
static TemplateURL* Parse(Profile* profile,
bool show_in_default_list,
const char* data,
size_t length,
ParameterFilter* parameter_filter);
private:
// No one should create one of these.
TemplateURLParser();
DISALLOW_COPY_AND_ASSIGN(TemplateURLParser);
};
#endif // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_PARSER_H_
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