<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.8"/> <title>Exiv2: Exiv2::FileIo::Impl Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Exiv2 </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.8 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); 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">FileIo</a>. <a href="classExiv2_1_1FileIo_1_1Impl.html#details">More...</a></p> <div id="dynsection-0" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"> <img id="dynsection-0-trigger" src="closed.png" alt="+"/> Collaboration diagram for Exiv2::FileIo::Impl:</div> <div id="dynsection-0-summary" class="dynsummary" style="display:block;"> </div> <div id="dynsection-0-content" class="dyncontent" style="display:none;"> <div class="center"><img src="classExiv2_1_1FileIo_1_1Impl__coll__graph.png" border="0" usemap="#Exiv2_1_1FileIo_1_1Impl_coll__map" alt="Collaboration graph"/></div> <map name="Exiv2_1_1FileIo_1_1Impl_coll__map" id="Exiv2_1_1FileIo_1_1Impl_coll__map"> <area shape="rect" id="node2" title="STL class. " alt="" coords="45,96,177,123"/><area shape="rect" id="node3" title="STL class. " alt="" coords="10,5,213,47"/></map> <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a> Classes</h2></td></tr> <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structExiv2_1_1FileIo_1_1Impl_1_1StructStat.html">StructStat</a></td></tr> <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Simple struct stat wrapper for internal use. <a href="structExiv2_1_1FileIo_1_1Impl_1_1StructStat.html#details">More...</a><br /></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a> Public Types</h2></td></tr> <tr class="memitem:a393f5d1d8ba1ef27f78661a2b2c1c8f9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a393f5d1d8ba1ef27f78661a2b2c1c8f9"></a>enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a393f5d1d8ba1ef27f78661a2b2c1c8f9">OpMode</a> { <b>opRead</b>, <b>opWrite</b>, <b>opSeek</b> }</td></tr> <tr class="memdesc:a393f5d1d8ba1ef27f78661a2b2c1c8f9"><td class="mdescLeft"> </td><td class="mdescRight">Mode of operation. <br /></td></tr> <tr class="separator:a393f5d1d8ba1ef27f78661a2b2c1c8f9"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr class="memitem:a943dafec1aab4b7894412224f2becc49"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a943dafec1aab4b7894412224f2becc49"></a>  </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a943dafec1aab4b7894412224f2becc49">Impl</a> (const std::string &<a class="el" href="classExiv2_1_1FileIo.html#ad4e63c22394f5cc3597a3d175cfbcc58">path</a>)</td></tr> <tr class="memdesc:a943dafec1aab4b7894412224f2becc49"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br /></td></tr> <tr class="separator:a943dafec1aab4b7894412224f2becc49"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a7be38a2e6a5da155aa1d4b6420d15912"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a7be38a2e6a5da155aa1d4b6420d15912">switchMode</a> (<a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a393f5d1d8ba1ef27f78661a2b2c1c8f9">OpMode</a> opMode)</td></tr> <tr class="memdesc:a7be38a2e6a5da155aa1d4b6420d15912"><td class="mdescLeft"> </td><td class="mdescRight">Switch to a new access mode, reopening the file if needed. Optimized to only reopen the file when it is really necessary. <a href="#a7be38a2e6a5da155aa1d4b6420d15912">More...</a><br /></td></tr> <tr class="separator:a7be38a2e6a5da155aa1d4b6420d15912"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:adb9024ecce2993f826d02da6957b9415"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adb9024ecce2993f826d02da6957b9415"></a> int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#adb9024ecce2993f826d02da6957b9415">stat</a> (<a class="el" href="structExiv2_1_1FileIo_1_1Impl_1_1StructStat.html">StructStat</a> &buf) const </td></tr> <tr class="memdesc:adb9024ecce2993f826d02da6957b9415"><td class="mdescLeft"> </td><td class="mdescRight">stat wrapper for internal use <br /></td></tr> <tr class="separator:adb9024ecce2993f826d02da6957b9415"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae6940aa18a9073470fea5fdc754c48e3"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae6940aa18a9073470fea5fdc754c48e3"></a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#ae6940aa18a9073470fea5fdc754c48e3">copyXattrFrom</a> (const <a class="el" href="classExiv2_1_1FileIo.html">FileIo</a> &src)</td></tr> <tr class="memdesc:ae6940aa18a9073470fea5fdc754c48e3"><td class="mdescLeft"> </td><td class="mdescRight">copy extended attributes (xattr) from another file <br /></td></tr> <tr class="separator:ae6940aa18a9073470fea5fdc754c48e3"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a> Public Attributes</h2></td></tr> <tr class="memitem:a5d7c63a21b4d7848e003df9dc4d923f4"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5d7c63a21b4d7848e003df9dc4d923f4"></a> std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a5d7c63a21b4d7848e003df9dc4d923f4">path_</a></td></tr> <tr class="memdesc:a5d7c63a21b4d7848e003df9dc4d923f4"><td class="mdescLeft"> </td><td class="mdescRight">(Standard) path <br /></td></tr> <tr class="separator:a5d7c63a21b4d7848e003df9dc4d923f4"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a2aa93061bb685b73df97da7b011bde7f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2aa93061bb685b73df97da7b011bde7f"></a> std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a2aa93061bb685b73df97da7b011bde7f">openMode_</a></td></tr> <tr class="memdesc:a2aa93061bb685b73df97da7b011bde7f"><td class="mdescLeft"> </td><td class="mdescRight">File open mode. <br /></td></tr> <tr class="separator:a2aa93061bb685b73df97da7b011bde7f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a3a87e5a388cea50de410261fa7d0f53e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3a87e5a388cea50de410261fa7d0f53e"></a> FILE * </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a3a87e5a388cea50de410261fa7d0f53e">fp_</a></td></tr> <tr class="memdesc:a3a87e5a388cea50de410261fa7d0f53e"><td class="mdescLeft"> </td><td class="mdescRight">File stream pointer. <br /></td></tr> <tr class="separator:a3a87e5a388cea50de410261fa7d0f53e"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae6ea0ef6708d70983bda651a555ccc1f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae6ea0ef6708d70983bda651a555ccc1f"></a> <a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a393f5d1d8ba1ef27f78661a2b2c1c8f9">OpMode</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#ae6ea0ef6708d70983bda651a555ccc1f">opMode_</a></td></tr> <tr class="memdesc:ae6ea0ef6708d70983bda651a555ccc1f"><td class="mdescLeft"> </td><td class="mdescRight">File open mode. <br /></td></tr> <tr class="separator:ae6ea0ef6708d70983bda651a555ccc1f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a9db9e6ec78e0ed12c1829c8e941bf2c8"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9db9e6ec78e0ed12c1829c8e941bf2c8"></a> <a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a9db9e6ec78e0ed12c1829c8e941bf2c8">pMappedArea_</a></td></tr> <tr class="memdesc:a9db9e6ec78e0ed12c1829c8e941bf2c8"><td class="mdescLeft"> </td><td class="mdescRight">Pointer to the memory-mapped area. <br /></td></tr> <tr class="separator:a9db9e6ec78e0ed12c1829c8e941bf2c8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aea9c770a4ba090737b31e7b7b00933c2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aea9c770a4ba090737b31e7b7b00933c2"></a> size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#aea9c770a4ba090737b31e7b7b00933c2">mappedLength_</a></td></tr> <tr class="memdesc:aea9c770a4ba090737b31e7b7b00933c2"><td class="mdescLeft"> </td><td class="mdescRight">Size of the memory-mapped area. <br /></td></tr> <tr class="separator:aea9c770a4ba090737b31e7b7b00933c2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ada7659603d39613151d4d132cccdfdf0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ada7659603d39613151d4d132cccdfdf0"></a> bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#ada7659603d39613151d4d132cccdfdf0">isMalloced_</a></td></tr> <tr class="memdesc:ada7659603d39613151d4d132cccdfdf0"><td class="mdescLeft"> </td><td class="mdescRight">Is the mapped area allocated? <br /></td></tr> <tr class="separator:ada7659603d39613151d4d132cccdfdf0"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a8987d346a621d765a5689da5a279f9a2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8987d346a621d765a5689da5a279f9a2"></a> bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a8987d346a621d765a5689da5a279f9a2">isWriteable_</a></td></tr> <tr class="memdesc:a8987d346a621d765a5689da5a279f9a2"><td class="mdescLeft"> </td><td class="mdescRight">Can the mapped area be written to? <br /></td></tr> <tr class="separator:a8987d346a621d765a5689da5a279f9a2"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p><a class="el" href="namespaceExiv2_1_1Internal.html" title="Contains internal objects which are not published and are not part of the libexiv2 API...">Internal</a> Pimpl structure of class <a class="el" href="classExiv2_1_1FileIo.html" title="Provides binary file IO by implementing the BasicIo interface. ">FileIo</a>. </p> </div><h2 class="groupheader">Member Function Documentation</h2> <a class="anchor" id="a7be38a2e6a5da155aa1d4b6420d15912"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int Exiv2::FileIo::Impl::switchMode </td> <td>(</td> <td class="paramtype"><a class="el" href="classExiv2_1_1FileIo_1_1Impl.html#a393f5d1d8ba1ef27f78661a2b2c1c8f9">OpMode</a> </td> <td class="paramname"><em>opMode</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Switch to a new access mode, reopening the file if needed. Optimized to only reopen the file when it is really necessary. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">opMode</td><td>The mode to switch to. </td></tr> </table> </dd> </dl> <dl class="section return"><dt>Returns</dt><dd>0 if successful </dd></dl> <p>Referenced by <a class="el" href="classExiv2_1_1FileIo.html#a7b211213f0c2e3b9153a69f67c15ab47">Exiv2::FileIo::getb()</a>, <a class="el" href="classExiv2_1_1FileIo.html#abacf2e7547c849c8809d472872c9a3a2">Exiv2::FileIo::mmap()</a>, <a class="el" href="classExiv2_1_1FileIo.html#ac23e31007bdcf3d4e7f17bc2b0341759">Exiv2::FileIo::munmap()</a>, <a class="el" href="classExiv2_1_1FileIo.html#a5d982468386b392b34b5ee8142b73396">Exiv2::FileIo::putb()</a>, <a class="el" href="classExiv2_1_1FileIo.html#a23f598a52577e98be9f4292518ba6198">Exiv2::FileIo::read()</a>, <a class="el" href="classExiv2_1_1FileIo.html#af3f07fc65378860f0b4fe048a398a1bf">Exiv2::FileIo::seek()</a>, and <a class="el" href="classExiv2_1_1FileIo.html#a5b3d5f5a5b4b7f9d3d8cec46a4ad95f7">Exiv2::FileIo::write()</a>.</p> </div> </div> <hr/>The documentation for this class was generated from the following file:<ul> <li>basicio.cpp</li> </ul> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Thu Oct 26 2017 16:50:14 for Exiv2 by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.8 </small></address> </body> </html>