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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>InspIRCd: FileReader Class Reference</title>
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<!-- Generated by Doxygen 1.4.4-20050815 -->
<div class="qindex"><a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="globals.html">File Members</a></div>
<h1>FileReader Class Reference</h1><!-- doxytag: class="FileReader" --><!-- doxytag: inherits="classbase" -->Caches a text file into memory and can be used to retrieve lines from it.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="modules_8h-source.html">modules.h</a>></code>
<p>
Inheritance diagram for FileReader:<p><center><img src="classFileReader__inherit__graph.gif" border="0" usemap="#FileReader__inherit__map" alt="Inheritance graph"></center>
<map name="FileReader__inherit__map">
<area href="classclassbase.html" shape="rect" coords="11,7,91,34" alt="">
</map>
<center><font size="2">[<a target="top" href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for FileReader:<p><center><img src="classFileReader__coll__graph.gif" border="0" usemap="#FileReader__coll__map" alt="Collaboration graph"></center>
<map name="FileReader__coll__map">
<area href="classclassbase.html" shape="rect" coords="7,97,87,124" alt="">
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<center><font size="2">[<a target="top" href="graph_legend.html">legend</a>]</font></center><a href="classFileReader-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classFileReader.html#FileReader_28_29">FileReader</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <a href="#FileReader_28_29"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classFileReader.html#FileReader_28std_3A_3Astring_20filename_29">FileReader</a> (<a class="el" href="namespaceirc.html#string">std::string</a> filename)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Secondary constructor. <a href="#FileReader_28std_3A_3Astring_20filename_29"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classFileReader.html#_7EFileReader_28_29">~FileReader</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Default destructor. <a href="#_7EFileReader_28_29"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classFileReader.html#LoadFile_28std_3A_3Astring_20filename_29">LoadFile</a> (<a class="el" href="namespaceirc.html#string">std::string</a> filename)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Used to load a file. <a href="#LoadFile_28std_3A_3Astring_20filename_29"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classFileReader.html#Exists_28_29">Exists</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns true if the file exists This function will return false if the file could not be opened. <a href="#Exists_28_29"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="namespaceirc.html#string">std::string</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classFileReader.html#GetLine_28int_20x_29">GetLine</a> (int x)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Retrieve one line from the file. <a href="#GetLine_28int_20x_29"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classFileReader.html#FileSize_28_29">FileSize</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the size of the file in lines. <a href="#FileSize_28_29"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="typedefs_8h.html#file_5Fcache">file_cache</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classFileReader.html#fc">fc</a></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Caches a text file into memory and can be used to retrieve lines from it.
<p>
This class contains methods for read-only manipulation of a text file in memory. Either use the constructor type with one parameter to load a file into memory at construction, or use the LoadFile method to load a file.
<p>
<p>
Definition at line <a class="el" href="modules_8h-source.html#l01639">1639</a> of file <a class="el" href="modules_8h-source.html">modules.h</a>.<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="FileReader_28_29"></a><!-- doxytag: member="FileReader::FileReader" ref="FileReader_28_29" args="()" --><p>
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<td class="md" nowrap valign="top">FileReader::FileReader </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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</td>
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</td>
<td>
<p>
Default constructor.
<p>
This method does not load any file into memory, you must use the LoadFile method after constructing the class this way.
<p>
Definition at line <a class="el" href="modules_8cpp-source.html#l00890">890</a> of file <a class="el" href="modules_8cpp-source.html">modules.cpp</a>.<div class="fragment"><pre class="fragment"><a name="l00891"></a>00891 {
<a name="l00892"></a>00892 }
</pre></div>
<p>
</td>
</tr>
</table>
<a class="anchor" name="FileReader_28std_3A_3Astring_20filename_29"></a><!-- doxytag: member="FileReader::FileReader" ref="FileReader_28std_3A_3Astring_20filename_29" args="(std::string filename)" --><p>
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<td class="md" nowrap valign="top">FileReader::FileReader </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="namespaceirc.html#string">std::string</a> </td>
<td class="mdname1" valign="top" nowrap> <em>filename</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
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<table cellspacing="5" cellpadding="0" border="0">
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<td>
</td>
<td>
<p>
Secondary constructor.
<p>
This method initialises the class with a file loaded into it ready for GetLine and and other methods to be called. If the file could not be loaded, <a class="el" href="classFileReader.html#FileSize_28_29">FileReader::FileSize</a> returns 0.
<p>
Definition at line <a class="el" href="modules_8cpp-source.html#l00883">883</a> of file <a class="el" href="modules_8cpp-source.html">modules.cpp</a>.
<p>
References <a class="el" href="modules_8h-source.html#l01641">fc</a>, and <a class="el" href="globals_8h.html#readfile_28file_5Fcache_20_26F_2C_20const_20char_20_2Afname_29">readfile()</a>.<div class="fragment"><pre class="fragment"><a name="l00884"></a>00884 {
<a name="l00885"></a>00885 <a class="code" href="globals_8h.html#file_5Fcache">file_cache</a> c;
<a name="l00886"></a>00886 <a class="code" href="globals_8h.html#readfile_28file_5Fcache_20_26F_2C_20const_20char_20_2Afname_29">readfile</a>(c,filename.c_str());
<a name="l00887"></a>00887 this-><a class="code" href="classFileReader.html#fc">fc</a> = c;
<a name="l00888"></a>00888 }
</pre></div>
<p>
</td>
</tr>
</table>
<a class="anchor" name="_7EFileReader_28_29"></a><!-- doxytag: member="FileReader::~FileReader" ref="_7EFileReader_28_29" args="()" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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<td class="md" nowrap valign="top">FileReader::~FileReader </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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</td>
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<td>
</td>
<td>
<p>
Default destructor.
<p>
This deletes the memory allocated to the file.
<p>
Definition at line <a class="el" href="modules_8cpp-source.html#l00902">902</a> of file <a class="el" href="modules_8cpp-source.html">modules.cpp</a>.<div class="fragment"><pre class="fragment"><a name="l00903"></a>00903 {
<a name="l00904"></a>00904 }
</pre></div>
<p>
</td>
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</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="Exists_28_29"></a><!-- doxytag: member="FileReader::Exists" ref="Exists_28_29" args="()" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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<td class="md" nowrap valign="top">bool FileReader::Exists </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
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</td>
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<td>
</td>
<td>
<p>
Returns true if the file exists This function will return false if the file could not be opened.
<p>
<p>
Definition at line <a class="el" href="modules_8cpp-source.html#l00906">906</a> of file <a class="el" href="modules_8cpp-source.html">modules.cpp</a>.
<p>
References <a class="el" href="modules_8h-source.html#l01641">fc</a>.<div class="fragment"><pre class="fragment"><a name="l00907"></a>00907 {
<a name="l00908"></a>00908 <span class="keywordflow">if</span> (<a class="code" href="classFileReader.html#fc">fc</a>.size() == 0)
<a name="l00909"></a>00909 {
<a name="l00910"></a>00910 <span class="keywordflow">return</span>(<span class="keyword">false</span>);
<a name="l00911"></a>00911 }
<a name="l00912"></a>00912 <span class="keywordflow">else</span>
<a name="l00913"></a>00913 {
<a name="l00914"></a>00914 <span class="keywordflow">return</span>(<span class="keyword">true</span>);
<a name="l00915"></a>00915 }
<a name="l00916"></a>00916 }
</pre></div>
<p>
</td>
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<a class="anchor" name="FileSize_28_29"></a><!-- doxytag: member="FileReader::FileSize" ref="FileSize_28_29" args="()" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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<td class="md" nowrap valign="top">int FileReader::FileSize </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
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</td>
</tr>
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<table cellspacing="5" cellpadding="0" border="0">
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<td>
</td>
<td>
<p>
Returns the size of the file in lines.
<p>
This method returns the number of lines in the read file. If it is 0, no lines have been read into memory, either because the file is empty or it does not exist, or cannot be opened due to permission problems.
<p>
Definition at line <a class="el" href="modules_8cpp-source.html#l00925">925</a> of file <a class="el" href="modules_8cpp-source.html">modules.cpp</a>.
<p>
References <a class="el" href="modules_8h-source.html#l01641">fc</a>.<div class="fragment"><pre class="fragment"><a name="l00926"></a>00926 {
<a name="l00927"></a>00927 <span class="keywordflow">return</span> <a class="code" href="classFileReader.html#fc">fc</a>.size();
<a name="l00928"></a>00928 }
</pre></div>
<p>
</td>
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<a class="anchor" name="GetLine_28int_20x_29"></a><!-- doxytag: member="FileReader::GetLine" ref="GetLine_28int_20x_29" args="(int x)" --><p>
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<td class="md" nowrap valign="top"><a class="el" href="namespaceirc.html#string">std::string</a> FileReader::GetLine </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname1" valign="top" nowrap> <em>x</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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<p>
Retrieve one line from the file.
<p>
This method retrieves one line from the text file. If an empty non-NULL string is returned, the index was out of bounds, or the line had no data on it.
<p>
Definition at line <a class="el" href="modules_8cpp-source.html#l00918">918</a> of file <a class="el" href="modules_8cpp-source.html">modules.cpp</a>.
<p>
References <a class="el" href="modules_8h-source.html#l01641">fc</a>.<div class="fragment"><pre class="fragment"><a name="l00919"></a>00919 {
<a name="l00920"></a>00920 <span class="keywordflow">if</span> ((x<0) || ((<span class="keywordtype">unsigned</span>)x><a class="code" href="classFileReader.html#fc">fc</a>.size()))
<a name="l00921"></a>00921 <span class="keywordflow">return</span> <span class="stringliteral">""</span>;
<a name="l00922"></a>00922 <span class="keywordflow">return</span> <a class="code" href="classFileReader.html#fc">fc</a>[x];
<a name="l00923"></a>00923 }
</pre></div>
<p>
</td>
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<a class="anchor" name="LoadFile_28std_3A_3Astring_20filename_29"></a><!-- doxytag: member="FileReader::LoadFile" ref="LoadFile_28std_3A_3Astring_20filename_29" args="(std::string filename)" --><p>
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<td class="md" nowrap valign="top">void FileReader::LoadFile </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="namespaceirc.html#string">std::string</a> </td>
<td class="mdname1" valign="top" nowrap> <em>filename</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
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<td>
<p>
Used to load a file.
<p>
This method loads a file into the class ready for GetLine and and other methods to be called. If the file could not be loaded, <a class="el" href="classFileReader.html#FileSize_28_29">FileReader::FileSize</a> returns 0.
<p>
Definition at line <a class="el" href="modules_8cpp-source.html#l00894">894</a> of file <a class="el" href="modules_8cpp-source.html">modules.cpp</a>.
<p>
References <a class="el" href="modules_8h-source.html#l01641">fc</a>, and <a class="el" href="globals_8h.html#readfile_28file_5Fcache_20_26F_2C_20const_20char_20_2Afname_29">readfile()</a>.<div class="fragment"><pre class="fragment"><a name="l00895"></a>00895 {
<a name="l00896"></a>00896 <a class="code" href="globals_8h.html#file_5Fcache">file_cache</a> c;
<a name="l00897"></a>00897 <a class="code" href="globals_8h.html#readfile_28file_5Fcache_20_26F_2C_20const_20char_20_2Afname_29">readfile</a>(c,filename.c_str());
<a name="l00898"></a>00898 this-><a class="code" href="classFileReader.html#fc">fc</a> = c;
<a name="l00899"></a>00899 }
</pre></div>
<p>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="fc"></a><!-- doxytag: member="FileReader::fc" ref="fc" args="" --><p>
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<td class="md" nowrap valign="top"><a class="el" href="typedefs_8h.html#file_5Fcache">file_cache</a> <a class="el" href="classFileReader.html#fc">FileReader::fc</a><code> [private]</code> </td>
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<p>
<p>
Definition at line <a class="el" href="modules_8h-source.html#l01641">1641</a> of file <a class="el" href="modules_8h-source.html">modules.h</a>.
<p>
Referenced by <a class="el" href="modules_8cpp-source.html#l00906">Exists()</a>, <a class="el" href="modules_8cpp-source.html#l00883">FileReader()</a>, <a class="el" href="modules_8cpp-source.html#l00925">FileSize()</a>, <a class="el" href="modules_8cpp-source.html#l00918">GetLine()</a>, and <a class="el" href="modules_8cpp-source.html#l00894">LoadFile()</a>. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="modules_8h-source.html">modules.h</a><li><a class="el" href="modules_8cpp-source.html">modules.cpp</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Mon Dec 19 18:05:22 2005 for InspIRCd by
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.4-20050815 </small></address>
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