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/*
* Copyright 2009, 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.
*/
// This file contains the declaration of functions for dealing with data urls.
#ifndef O3D_UTILS_CROSS_DATAURL_H_
#define O3D_UTILS_CROSS_DATAURL_H_
#include "base/memory/scoped_ptr.h"
#include "core/cross/types.h"
namespace o3d {
namespace dataurl {
// An empty data URL. ("data:,")
extern const char* const kEmptyDataURL;
// Creates a data URL for the given data.
String ToDataURL(const String& mime_type, const void* data, size_t length);
// Decodes the data from a data URL and stores a pointer to the data in
// dst_buffer. If an error occurs in decoding, it returns false and
// error_string will contain an error message. Otherwise, returns true.
// Parameters:
// data_url: The data URL from which to extract the data.
// dst_buffer: A pointer to the output data will be stored in this
// scoped_array.
// output_length: The length of the output data will be stored at this
// address.
// error_string: This will contain the error message, if an error occurs.
// Returns:
// False if an error occurs in decoding, true otherwise.
bool FromDataURL(const String& data_url,
scoped_array<uint8>* dst_buffer,
size_t* output_length,
String* error_string);
} // namespace dataurl
} // namespace o3d
#endif // O3D_UTILS_CROSS_DATAURL_H_
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