<!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>libopenraw: lib/io/streamclone.cpp Source File</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="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">libopenraw
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.8 -->
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
</ul>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_97aefd0d527b934f1d99a682da8fe6a9.html">lib</a></li><li class="navelem"><a class="el" href="dir_5d0aa56803c8250a5d891761f6bfc5c7.html">io</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">streamclone.cpp</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * libopenraw - streamclone.cpp</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2006 Hubert Figuière</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This library is free software: you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public License</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * as published by the Free Software Foundation, either version 3 of</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This library is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * License along with this library. If not, see</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * <http://www.gnu.org/licenses/>.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "streamclone.h"</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span><a class="code" href="namespaceOpenRaw.html">OpenRaw</a> {</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">namespace </span>IO {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  StreamClone::StreamClone(Stream *clone, off_t offset)</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  : Stream(clone->get_path().c_str()),</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  m_cloned(clone), m_offset(offset)</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  }</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  StreamClone::~StreamClone()</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  {</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  }</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classOpenRaw_1_1IO_1_1StreamClone.html#ab8096b7871d8777b97571215eb591827"> 42</a></span>  Stream::Error <a class="code" href="classOpenRaw_1_1IO_1_1StreamClone.html#ab8096b7871d8777b97571215eb591827">StreamClone::open</a>()</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">if</span> (m_cloned == NULL) {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  set_error(OR_ERROR_CLOSED_STREAM);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> OR_ERROR_CLOSED_STREAM;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  m_cloned-><a class="code" href="classOpenRaw_1_1IO_1_1Stream.html#af3f62e12445433f96b060446130f11f7">seek</a>(m_offset, SEEK_SET);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">//no-op</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">//FIXME determine what is the policy for opening clone </span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">//streams</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> OR_ERROR_NONE;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classOpenRaw_1_1IO_1_1StreamClone.html#a2a1acc98ff238117a8fa80f5cbbd8df8"> 55</a></span>  <span class="keywordtype">int</span> <a class="code" href="classOpenRaw_1_1IO_1_1StreamClone.html#a2a1acc98ff238117a8fa80f5cbbd8df8">StreamClone::close</a>()</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  m_cloned = NULL;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classOpenRaw_1_1IO_1_1StreamClone.html#acbe380bb843f9fe3c93be3998162dc03"> 62</a></span>  <span class="keywordtype">int</span> <a class="code" href="classOpenRaw_1_1IO_1_1StreamClone.html#acbe380bb843f9fe3c93be3998162dc03">StreamClone::seek</a>(off_t offset, <span class="keywordtype">int</span> whence)</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (m_cloned == NULL) {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  set_error(OR_ERROR_CLOSED_STREAM);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (whence == SEEK_SET) {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  offset += m_offset;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> m_cloned-><a class="code" href="classOpenRaw_1_1IO_1_1Stream.html#af3f62e12445433f96b060446130f11f7">seek</a>(offset, whence);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classOpenRaw_1_1IO_1_1StreamClone.html#aadd9852410a250bf2161bd2c031a3cda"> 75</a></span>  <span class="keywordtype">int</span> <a class="code" href="classOpenRaw_1_1IO_1_1StreamClone.html#aadd9852410a250bf2161bd2c031a3cda">StreamClone::read</a>(<span class="keywordtype">void</span> *buf, <span class="keywordtype">size_t</span> count)</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">if</span> (m_cloned == NULL) {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  set_error(OR_ERROR_CLOSED_STREAM);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> m_cloned-><a class="code" href="classOpenRaw_1_1IO_1_1Stream.html#a644cac743aa92c0b2dcc12d82d8356e2">read</a>(buf, count);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  off_t StreamClone::filesize()</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span> (m_cloned == NULL) {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  set_error(OR_ERROR_CLOSED_STREAM);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> m_cloned->filesize();</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> }</div>
<div class="ttc" id="namespaceOpenRaw_html"><div class="ttname"><a href="namespaceOpenRaw.html">OpenRaw</a></div><div class="ttdoc">CIFF is the container for CRW files. It is an attempt from Canon to make this a standard. I guess it failed. </div><div class="ttdef"><b>Definition:</b> <a href="arwfile_8cpp_source.html#l00033">arwfile.cpp:33</a></div></div>
<div class="ttc" id="classOpenRaw_1_1IO_1_1StreamClone_html_acbe380bb843f9fe3c93be3998162dc03"><div class="ttname"><a href="classOpenRaw_1_1IO_1_1StreamClone.html#acbe380bb843f9fe3c93be3998162dc03">OpenRaw::IO::StreamClone::seek</a></div><div class="ttdeci">virtual int seek(off_t offset, int whence)</div><div class="ttdef"><b>Definition:</b> <a href="streamclone_8cpp_source.html#l00062">streamclone.cpp:62</a></div></div>
<div class="ttc" id="classOpenRaw_1_1IO_1_1Stream_html_af3f62e12445433f96b060446130f11f7"><div class="ttname"><a href="classOpenRaw_1_1IO_1_1Stream.html#af3f62e12445433f96b060446130f11f7">OpenRaw::IO::Stream::seek</a></div><div class="ttdeci">virtual int seek(off_t offset, int whence)=0</div></div>
<div class="ttc" id="classOpenRaw_1_1IO_1_1Stream_html_a644cac743aa92c0b2dcc12d82d8356e2"><div class="ttname"><a href="classOpenRaw_1_1IO_1_1Stream.html#a644cac743aa92c0b2dcc12d82d8356e2">OpenRaw::IO::Stream::read</a></div><div class="ttdeci">virtual int read(void *buf, size_t count)=0</div></div>
<div class="ttc" id="classOpenRaw_1_1IO_1_1StreamClone_html_aadd9852410a250bf2161bd2c031a3cda"><div class="ttname"><a href="classOpenRaw_1_1IO_1_1StreamClone.html#aadd9852410a250bf2161bd2c031a3cda">OpenRaw::IO::StreamClone::read</a></div><div class="ttdeci">virtual int read(void *buf, size_t count)</div><div class="ttdef"><b>Definition:</b> <a href="streamclone_8cpp_source.html#l00075">streamclone.cpp:75</a></div></div>
<div class="ttc" id="classOpenRaw_1_1IO_1_1StreamClone_html_ab8096b7871d8777b97571215eb591827"><div class="ttname"><a href="classOpenRaw_1_1IO_1_1StreamClone.html#ab8096b7871d8777b97571215eb591827">OpenRaw::IO::StreamClone::open</a></div><div class="ttdeci">virtual Error open()</div><div class="ttdef"><b>Definition:</b> <a href="streamclone_8cpp_source.html#l00042">streamclone.cpp:42</a></div></div>
<div class="ttc" id="classOpenRaw_1_1IO_1_1StreamClone_html_a2a1acc98ff238117a8fa80f5cbbd8df8"><div class="ttname"><a href="classOpenRaw_1_1IO_1_1StreamClone.html#a2a1acc98ff238117a8fa80f5cbbd8df8">OpenRaw::IO::StreamClone::close</a></div><div class="ttdeci">virtual int close()</div><div class="ttdef"><b>Definition:</b> <a href="streamclone_8cpp_source.html#l00055">streamclone.cpp:55</a></div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Fri Oct 17 2014 20:21:10 for libopenraw 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>
distrib
>
Mageia
>
5
>
i586
>
media
>
core-release
>
by-pkgid
>
cab8b74c7b95f406b27f4364b1221885
>
files
>
303
