retriever.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2009, Willow Garage, Inc.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  * * Redistributions of source code must retain the above copyright notice,
7  * this list of conditions and the following disclaimer.
8  * * Redistributions in binary form must reproduce the above copyright
9  * notice, this list of conditions and the following disclaimer in the
10  * documentation and/or other materials provided with the distribution.
11  * * Neither the names of Stanford University or Willow Garage, Inc. nor the names of its
12  * contributors may be used to endorse or promote products derived from
13  * this software without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  * POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef RESOURCE_RETRIEVER_RETRIEVER_H
29 #define RESOURCE_RETRIEVER_RETRIEVER_H
30 
31 #include <stdint.h>
32 #include <string>
33 #include <boost/shared_array.hpp>
34 #include <stdexcept>
35 
36 typedef void CURL;
37 
39 {
40 
41 class Exception : public std::runtime_error
42 {
43 public:
44  Exception(const std::string& file, const std::string& error_msg)
45  : std::runtime_error("Error retrieving file [" + file + "]: " + error_msg)
46  {}
47 };
48 
53 {
55  : size(0)
56  {}
57 
59  uint32_t size;
60 };
61 
66 class Retriever
67 {
68 public:
69  Retriever();
70  ~Retriever();
71 
78  MemoryResource get(const std::string& url);
79 
80 private:
81  Retriever(const Retriever & ret) = delete;
82 
84 };
85 
86 } // namespace resource_retriever
87 
88 #endif // RESOURCE_RETRIEVER_RETRIEVER_H
Retrieves files from from a url. Caches a CURL handle so multiple accesses to a single url will keep ...
Definition: retriever.h:66
boost::shared_array< uint8_t > data
Definition: retriever.h:58
A combination of a pointer to data in memory along with the data&#39;s size.
Definition: retriever.h:52
Exception(const std::string &file, const std::string &error_msg)
Definition: retriever.h:44
void CURL
Definition: retriever.h:36


resource_retriever
Author(s): Josh Faust , Ioan Sucan
autogenerated on Mon Feb 28 2022 23:22:34