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<title>paintlib: plurlsrc.h Source File</title>
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<h1>plurlsrc.h</h1><div class="fragment"><pre>00001 <span class="comment">/*</span>
00002 <span class="comment">/--------------------------------------------------------------------</span>
00003 <span class="comment">|</span>
00004 <span class="comment">| $Id: plurlsrc_8h-source.html,v 1.4 2004/09/15 15:26:32 uzadow Exp $</span>
00005 <span class="comment">|</span>
00006 <span class="comment">| Copyright (c) 1996-2002 Ulrich von Zadow</span>
00007 <span class="comment">|</span>
00008 <span class="comment">\--------------------------------------------------------------------</span>
00009 <span class="comment">*/</span>
00010
00011 <span class="preprocessor">#ifndef INCL_PLURLSRC</span>
00012 <span class="preprocessor"></span><span class="preprocessor">#define INCL_PLURLSRC</span>
00013 <span class="preprocessor"></span>
00014 <span class="preprocessor">#ifndef INCL_PLDATASRC</span>
00015 <span class="preprocessor"></span><span class="preprocessor">#include "pldatasrc.h"</span>
00016 <span class="preprocessor">#endif</span>
00017 <span class="preprocessor"></span>
00018 <span class="preprocessor">#include <string></span>
00019 <span class="preprocessor">#include <curl/curl.h></span>
00020
00021 <span class="comment">// Internal singleton class that initializes and deinitializes curl</span>
00022 <span class="keyword">class </span>PLCurlInitializer
00023 {
00024 <span class="keyword">public</span>:
00025 CURL * getHandle();
00026 <span class="keywordtype">void</span> finalize();
00027
00028 <span class="keyword">private</span>:
00029 <span class="keyword">friend</span> <span class="keyword">class </span>PLURLSource;
00030 PLCurlInitializer();
00031 ~PLCurlInitializer();
00032
00033 CURL * m_CurlHandle;
00034
00035 };
00036
00037 <span class="comment">// This is a class which takes a URL as a source of</span>
00038 <span class="comment">// picture data.</span>
00039 <span class="keyword">class </span>PLURLSource : <span class="keyword">public</span> <a class="code" href="classPLDataSource.html">PLDataSource</a>
00040 {
00041 <span class="keyword">public</span>:<span class="comment"></span>
00042 <span class="comment"> //!</span>
00043 <span class="comment"></span> PLURLSource
00044 ();
00045 <span class="comment"></span>
00046 <span class="comment"> //!</span>
00047 <span class="comment"></span> <span class="keyword">virtual</span> ~PLURLSource
00048 ();
00049 <span class="comment"></span>
00050 <span class="comment"> //!</span>
00051 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">int</span> Open(<span class="keyword">const</span> <span class="keywordtype">char</span> *pURL);
00052 <span class="comment"></span>
00053 <span class="comment"> //!</span>
00054 <span class="comment"></span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> Close
00055 ();
00056
00057 <span class="keyword">virtual</span> PLBYTE * ReadNBytes
00058 ( <span class="keywordtype">int</span> n
00059 );
00060 <span class="comment"></span>
00061 <span class="comment"> //! Read but don't advance file pointer.</span>
00062 <span class="comment"></span> <span class="keyword">virtual</span> PLBYTE * GetBufferPtr
00063 ( <span class="keywordtype">int</span> MinBytesInBuffer
00064 );
00065 <span class="comment"></span>
00066 <span class="comment"> //! This is a legacy routine that interferes with progress notifications.</span>
00067 <span class="comment"> //! Don't call it!</span>
00068 <span class="comment"></span> <span class="keyword">virtual</span> PLBYTE * ReadEverything
00069 ();
00070
00071 <span class="keyword">virtual</span> <span class="keywordtype">void</span> Seek
00072 ( <span class="keywordtype">int</span> n
00073 );
00074
00075 <span class="keyword">const</span> <span class="keywordtype">char</span> * GetCurlErrStr ();
00076 <span class="keywordtype">int</span> GetCurlErrCode ();
00077
00078 <span class="keyword">private</span>:
00079 <span class="keyword">static</span> size_t WriteCurlData(<span class="keywordtype">void</span> *ptr, size_t size, size_t nmemb, <span class="keywordtype">void</span> *stream);
00080 <span class="keyword">const</span> std::string httpErr2Str(<span class="keywordtype">int</span> HTTPCode);
00081 <span class="comment">// So curl gets initialized once only.</span>
00082 <span class="keyword">static</span> PLCurlInitializer s_CurlInitializer;
00083 std::string m_RawData;
00084 <span class="keywordtype">int</span> m_CurPos;
00085
00086 std::string m_sErrStr;
00087 <span class="keywordtype">int</span> m_ErrCode;
00088 };
00089
00090 <span class="preprocessor">#endif</span>
00091 <span class="preprocessor"></span><span class="comment">/*</span>
00092 <span class="comment">/--------------------------------------------------------------------</span>
00093 <span class="comment">|</span>
00094 <span class="comment">| $Log: plurlsrc_8h-source.html,v $
00094 <span class="comment">| Revision 1.4 2004/09/15 15:26:32 uzadow
00094 <span class="comment">| Linux compatibility changes, doc update.
00094 <span class="comment">|</span>
00095 <span class="comment">| Revision 1.4 2004/08/20 14:39:38 uzadow</span>
00096 <span class="comment">| Added rle format to sgi decoder. Doesn't work yet, though.</span>
00097 <span class="comment">|</span>
00098 <span class="comment">| Revision 1.3 2003/04/20 12:44:47 uzadow</span>
00099 <span class="comment">| Added EXIF documentation.</span>
00100 <span class="comment">|</span>
00101 <span class="comment">| Revision 1.2 2003/04/14 10:48:19 uzadow</span>
00102 <span class="comment">| Added connection reuse capability to PLURLSource.</span>
00103 <span class="comment">|</span>
00104 <span class="comment">| Revision 1.1 2003/02/15 21:26:58 uzadow</span>
00105 <span class="comment">| Added win32 version of url data source.</span>
00106 <span class="comment">|</span>
00107 <span class="comment">|</span>
00108 <span class="comment">\--------------------------------------------------------------------</span>
00109 <span class="comment">*/</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Sep 13 16:16:41 2004 for paintlib by
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