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// Copyright (c) 2010 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_
#pragma once
#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;
protected:
virtual ~ParameterFilter() {}
};
// 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/https 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_COPY_AND_ASSIGN(TemplateURLParser);
};
#endif // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_PARSER_H_
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