files_8h-source.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Crypto++: files.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.3.2 --><div class="qindex"><a class="qindex" href="index.html">Main&nbsp;Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class&nbsp;Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical&nbsp;List</a> | <a class="qindex" href="annotated.html">Compound&nbsp;List</a> | <a class="qindex" href="files.html">File&nbsp;List</a> | <a class="qindex" href="namespacemembers.html">Namespace&nbsp;Members</a> | <a class="qindex" href="functions.html">Compound&nbsp;Members</a> | <a class="qindex" href="globals.html">File&nbsp;Members</a></div><h1>files.h</h1><div class="fragment"><pre>00001 <span class="preprocessor">#ifndef CRYPTOPP_FILES_H</span>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_FILES_H</span>00003 <span class="preprocessor"></span>00004 <span class="preprocessor">#include "<a class="code" href="cryptlib_8h.html">cryptlib.h</a>"</span>00005 <span class="preprocessor">#include "filters.h"</span>00006 00007 <span class="preprocessor">#include &lt;iostream&gt;</span>00008 <span class="preprocessor">#include &lt;fstream&gt;</span>00009 00010 NAMESPACE_BEGIN(CryptoPP)00011 00012 <span class="comment">//! .</span><a name="l00013"></a><a class="code" href="class_file_store.html">00013</a> <span class="comment"></span><span class="keyword">class </span>CRYPTOPP_DLL FileStore : <span class="keyword">public</span> <a class="code" href="class_store.html">Store</a>, <span class="keyword">private</span> FilterPutSpaceHelper, <span class="keyword">public</span> NotCopyable00014 {00015 <span class="keyword">public</span>:00016         <span class="keyword">class </span>Err : <span class="keyword">public</span> <a class="code" href="class_exception.html">Exception</a>00017         {00018         <span class="keyword">public</span>:00019                 Err(<span class="keyword">const</span> std::string &amp;s) : <a class="code" href="class_exception.html">Exception</a>(IO_ERROR, s) {}00020         };00021         <span class="keyword">class </span>OpenErr : <span class="keyword">public</span> Err {<span class="keyword">public</span>: OpenErr(<span class="keyword">const</span> std::string &amp;filename) : Err(<span class="stringliteral">"FileStore: error opening file for reading: "</span> + filename) {}};00022         <span class="keyword">class </span>ReadErr : <span class="keyword">public</span> Err {<span class="keyword">public</span>: ReadErr() : Err(<span class="stringliteral">"FileStore: error reading file"</span>) {}};00023 00024         FileStore() : m_stream(NULL) {}00025         FileStore(std::istream &amp;in)00026                 {StoreInitialize(MakeParameters(<span class="stringliteral">"InputStreamPointer"</span>, &amp;in));}00027         FileStore(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename)00028                 {StoreInitialize(MakeParameters(<span class="stringliteral">"InputFileName"</span>, filename));}00029 00030         std::istream* GetStream() {<span class="keywordflow">return</span> m_stream;}00031 00032         <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="class_buffered_transformation.html#_zlib_decompressorz7_0">MaxRetrievable</a>() <span class="keyword">const</span>;00033         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_buffered_transformation.html#_zlib_decompressorz7_4">Peek</a>(byte &amp;outByte) <span class="keyword">const</span>;00034         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_buffered_transformation.html#_storez11_0">TransferTo2</a>(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;target, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> &amp;transferBytes, <span class="keyword">const</span> std::string &amp;channel=NULL_CHANNEL, <span class="keywordtype">bool</span> blocking=<span class="keyword">true</span>);00035         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> CopyRangeTo2(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;target, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> &amp;begin, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> end=ULONG_MAX, <span class="keyword">const</span> std::string &amp;channel=NULL_CHANNEL, <span class="keywordtype">bool</span> blocking=<span class="keyword">true</span>) <span class="keyword">const</span>;00036         <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="class_buffered_transformation.html#_zlib_decompressorz7_11">Skip</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> skipMax);00037 00038 <span class="keyword">private</span>:00039         <span class="keywordtype">void</span> StoreInitialize(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &amp;parameters);00040         00041         member_ptr&lt;std::ifstream&gt; m_file;00042         std::istream *m_stream;00043         byte *m_space;00044         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_len;00045         <span class="keywordtype">bool</span> m_waiting;00046 };00047 <span class="comment"></span>00048 <span class="comment">//! .</span><a name="l00049"></a><a class="code" href="class_file_source.html">00049</a> <span class="comment"></span><span class="keyword">class </span>CRYPTOPP_DLL FileSource : <span class="keyword">public</span> <a class="code" href="class_source_template.html">SourceTemplate</a>&lt;FileStore&gt;00050 {00051 <span class="keyword">public</span>:00052         <span class="keyword">typedef</span> FileStore::Err Err;00053         <span class="keyword">typedef</span> FileStore::OpenErr OpenErr;00054         <span class="keyword">typedef</span> FileStore::ReadErr ReadErr;00055 00056         FileSource(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> *attachment = NULL)00057                 : <a class="code" href="class_source_template.html">SourceTemplate&lt;FileStore&gt;</a>(attachment) {}00058         FileSource(std::istream &amp;in, <span class="keywordtype">bool</span> pumpAll, <a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> *attachment = NULL)00059                 : <a class="code" href="class_source_template.html">SourceTemplate&lt;FileStore&gt;</a>(attachment) {SourceInitialize(pumpAll, MakeParameters(<span class="stringliteral">"InputStreamPointer"</span>, &amp;in));}00060         FileSource(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename, <span class="keywordtype">bool</span> pumpAll, <a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> *attachment = NULL, <span class="keywordtype">bool</span> binary=<span class="keyword">true</span>)00061                 : <a class="code" href="class_source_template.html">SourceTemplate&lt;FileStore&gt;</a>(attachment) {SourceInitialize(pumpAll, MakeParameters(<span class="stringliteral">"InputFileName"</span>, filename)(<span class="stringliteral">"InputBinaryMode"</span>, binary));}00062 00063         std::istream* GetStream() {<span class="keywordflow">return</span> m_store.GetStream();}00064 };00065 <span class="comment"></span>00066 <span class="comment">//! .</span><a name="l00067"></a><a class="code" href="class_file_sink.html">00067</a> <span class="comment"></span><span class="keyword">class </span>CRYPTOPP_DLL FileSink : <span class="keyword">public</span> <a class="code" href="class_sink.html">Sink</a>, <span class="keyword">public</span> NotCopyable00068 {00069 <span class="keyword">public</span>:00070         <span class="keyword">class </span>Err : <span class="keyword">public</span> <a class="code" href="class_exception.html">Exception</a>00071         {00072         <span class="keyword">public</span>:00073                 Err(<span class="keyword">const</span> std::string &amp;s) : <a class="code" href="class_exception.html">Exception</a>(IO_ERROR, s) {}00074         };00075         <span class="keyword">class </span>OpenErr : <span class="keyword">public</span> Err {<span class="keyword">public</span>: OpenErr(<span class="keyword">const</span> std::string &amp;filename) : Err(<span class="stringliteral">"FileSink: error opening file for writing: "</span> + filename) {}};00076         <span class="keyword">class </span>WriteErr : <span class="keyword">public</span> Err {<span class="keyword">public</span>: WriteErr() : Err(<span class="stringliteral">"FileSink: error writing file"</span>) {}};00077 00078         FileSink() : m_stream(NULL) {}00079         FileSink(std::ostream &amp;out)00080                 {IsolatedInitialize(MakeParameters(<span class="stringliteral">"OutputStreamPointer"</span>, &amp;out));}00081         FileSink(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename, <span class="keywordtype">bool</span> binary=<span class="keyword">true</span>)00082                 {IsolatedInitialize(MakeParameters(<span class="stringliteral">"OutputFileName"</span>, filename)(<span class="stringliteral">"OutputBinaryMode"</span>, binary));}00083 00084         std::ostream* GetStream() {<span class="keywordflow">return</span> m_stream;}00085 00086         <span class="keywordtype">void</span> IsolatedInitialize(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &amp;parameters);00087         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_buffered_transformation.html#_unflushable_3_01_sink_01_4z1_9">Put2</a>(<span class="keyword">const</span> byte *inString, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keywordtype">int</span> messageEnd, <span class="keywordtype">bool</span> blocking);00088         <span class="keywordtype">bool</span> IsolatedFlush(<span class="keywordtype">bool</span> hardFlush, <span class="keywordtype">bool</span> blocking);00089 00090 <span class="keyword">private</span>:00091         member_ptr&lt;std::ofstream&gt; m_file;00092         std::ostream *m_stream;00093 };00094 00095 NAMESPACE_END00096 00097 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue Jul 8 23:34:14 2003 for Crypto++ by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 > </a>1.3.2 </small></address></body></html>

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