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// Copyright (c) 2009 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_COMMON_EXTENSIONS_UPDATE_MANIFEST_H_
#define CHROME_COMMON_EXTENSIONS_UPDATE_MANIFEST_H_
#include <string>
#include <vector>
#include "base/logging.h"
#include "base/scoped_ptr.h"
#include "base/values.h"
#include "base/version.h"
#include "googleurl/src/gurl.h"
class Version;
class UpdateManifest {
public:
// An update manifest looks like this:
//
// <?xml version='1.0' encoding='UTF-8'?>
// <gupdate xmlns='http://www.google.com/update2/response' protocol='2.0'>
// <app appid='12345'>
// <updatecheck codebase='http://example.com/extension_1.2.3.4.crx'
// version='1.2.3.4' prodversionmin='2.0.143.0'
// hash="12345"/>
// </app>
// </gupdate>
//
// The "appid" attribute of the <app> tag refers to the unique id of the
// extension. The "codebase" attribute of the <updatecheck> tag is the url to
// fetch the updated crx file, and the "prodversionmin" attribute refers to
// the minimum version of the chrome browser that the update applies to.
// The result of parsing one <app> tag in an xml update check manifest.
struct Result {
std::string extension_id;
std::string version;
std::string browser_min_version;
std::string package_hash;
GURL crx_url;
};
typedef std::vector<Result> ResultList;
UpdateManifest();
~UpdateManifest();
// Parses an update manifest xml string into Result data. Returns a bool
// indicating success or failure. On success, the results are available by
// calling results(), and on failure, the explanation for why is available
// by calling errors().
bool Parse(const std::string& manifest_xml);
const ResultList& results() { return results_; }
const std::string& errors() { return errors_; }
private:
ResultList results_;
std::string errors_;
// Helper function that adds parse error details to our errors_ string.
void ParseError(const char* details, ...);
};
#endif // CHROME_COMMON_EXTENSIONS_UPDATE_MANIFEST_H_
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