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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_BROWSER_METADATA_PARSER_H_
#define CHROME_BROWSER_METADATA_PARSER_H_
#include <string>
#include "base/file_path.h"
// Allows for Iteration on the Properties of a given file.
class MetadataPropertyIterator {
public:
MetadataPropertyIterator() {}
// Gets the next Property in the iterator. Returns false if at the end
// of the list.
virtual bool GetNext(std::string* key, std::string* value) = 0;
// Gets the number of Properties in this iterator.
virtual int Length() = 0;
// Checks to see if we're at the end of the list.
virtual bool IsEnd() = 0;
};
// Represents a single instance of parsing on a particular file.
class MetadataParser {
public:
MetadataParser(const FilePath& path) {}
static const char* kPropertyType;
static const char* kPropertyFilesize;
static const char* kPropertyTitle;
// Does all the heavy work of parsing out the file. Blocking until complete.
virtual bool Parse() = 0;
// Gets a particular property found in a parse call.
virtual bool GetProperty(const std::string& key, std::string* value) = 0;
// Gets an interator allowing you to iterate over all the properties found
// in a parse call.
virtual MetadataPropertyIterator* GetPropertyIterator() = 0;
};
#endif // CHROME_BROWSER-METADATA_PARSER_H_
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