retriever.h
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00001 /*
00002  * Copyright (C) 2009, Willow Garage, Inc.
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions are met:
00006  *   * Redistributions of source code must retain the above copyright notice,
00007  *     this list of conditions and the following disclaimer.
00008  *   * Redistributions in binary form must reproduce the above copyright
00009  *     notice, this list of conditions and the following disclaimer in the
00010  *     documentation and/or other materials provided with the distribution.
00011  *   * Neither the names of Stanford University or Willow Garage, Inc. nor the names of its
00012  *     contributors may be used to endorse or promote products derived from
00013  *     this software without specific prior written permission.
00014  *
00015  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00016  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00017  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00018  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00019  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00020  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00021  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00024  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00025  * POSSIBILITY OF SUCH DAMAGE.
00026  */
00027 
00028 #ifndef RESOURCE_RETRIEVER_RETRIEVER_H
00029 #define RESOURCE_RETRIEVER_RETRIEVER_H
00030 
00031 #include <stdint.h>
00032 #include <string>
00033 #include <boost/shared_array.hpp>
00034 #include <stdexcept>
00035 
00036 typedef void CURL;
00037 
00038 namespace resource_retriever
00039 {
00040 
00041 class Exception : public std::runtime_error
00042 {
00043 public:
00044   Exception(const std::string& file, const std::string& error_msg)
00045   : std::runtime_error("Error retrieving file [" + file + "]: " + error_msg)
00046   {}
00047 };
00048 
00052 struct MemoryResource
00053 {
00054   MemoryResource()
00055   : size(0)
00056   {}
00057 
00058   boost::shared_array<uint8_t> data;
00059   uint32_t size;
00060 };
00061 
00066 class Retriever
00067 {
00068 public:
00069   Retriever();
00070   ~Retriever();
00071 
00078   MemoryResource get(const std::string& url);
00079 
00080 private:
00081   CURL* curl_handle_;
00082 };
00083 
00084 } // namespace resource_retriever
00085 
00086 #endif // RESOURCE_RETRIEVER_RETRIEVER_H


resource_retriever
Author(s): Josh Faust
autogenerated on Mon Oct 6 2014 04:13:38