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<li class="navelem"><a class="el" href="../../d8/daf/namespaceshaka.html">shaka</a></li><li class="navelem"><a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">shaka::File Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>Define an abstract file interface.
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<a href="../../d3/d73/classshaka_1_1File.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="../../d2/d4d/file_8h_source.html">file.h</a>></code></p>
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Inheritance diagram for shaka::File:</div>
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<area href="../../d7/dbd/classshaka_1_1LocalFile.html" title="Implement LocalFile which deals with local storage. " alt="shaka::LocalFile" shape="rect" coords="146,56,282,80"/>
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<area href="../../dd/d0c/classshaka_1_1ThreadedIoFile.html" title="Declaration of class which implements a thread-safe circular buffer. " alt="shaka::ThreadedIoFile" shape="rect" coords="438,56,574,80"/>
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<area href="../../d4/dcb/classshaka_1_1UdpFile.html" title="Implements UdpFile, which receives UDP unicast and multicast streams. " alt="shaka::UdpFile" shape="rect" coords="584,56,720,80"/>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a932666ed1d6a565bf387a9d8b39a8948"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a932666ed1d6a565bf387a9d8b39a8948">Close</a> ()=0</td></tr>
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<tr class="separator:a932666ed1d6a565bf387a9d8b39a8948"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6e1ecb2904b609554d332290f20fde0a"><td class="memItemLeft" align="right" valign="top">virtual int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a6e1ecb2904b609554d332290f20fde0a">Read</a> (void *buffer, uint64_t length)=0</td></tr>
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<tr class="separator:a6e1ecb2904b609554d332290f20fde0a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8c498531ecbd205fceb0be3478361801"><td class="memItemLeft" align="right" valign="top">virtual int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a8c498531ecbd205fceb0be3478361801">Write</a> (const void *buffer, uint64_t length)=0</td></tr>
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<tr class="separator:a8c498531ecbd205fceb0be3478361801"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aeb98b64a05f141140e110170bef1bc55"><td class="memItemLeft" align="right" valign="top">virtual int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#aeb98b64a05f141140e110170bef1bc55">Size</a> ()=0</td></tr>
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<tr class="separator:aeb98b64a05f141140e110170bef1bc55"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5fa625751e03b9e7652ba1bfa98b8ca4"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a5fa625751e03b9e7652ba1bfa98b8ca4">Flush</a> ()=0</td></tr>
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<tr class="separator:a5fa625751e03b9e7652ba1bfa98b8ca4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a486bda715b58b1a1863fbfc8d48da62a"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a486bda715b58b1a1863fbfc8d48da62a">Seek</a> (uint64_t position)=0</td></tr>
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<tr class="separator:a486bda715b58b1a1863fbfc8d48da62a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a07ae6476e88dab6c0cd9d8c0073b667d"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a07ae6476e88dab6c0cd9d8c0073b667d">Tell</a> (uint64_t *position)=0</td></tr>
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<tr class="separator:a07ae6476e88dab6c0cd9d8c0073b667d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a463be34c40e47f95510e991678b34605"><td class="memItemLeft" align="right" valign="top">const std::string & </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a463be34c40e47f95510e991678b34605">file_name</a> () const </td></tr>
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<tr class="separator:a463be34c40e47f95510e991678b34605"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
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Static Public Member Functions</h2></td></tr>
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<tr class="memitem:ac7b5143f9b8c3e786762fe4ada2b8dcf"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#ac7b5143f9b8c3e786762fe4ada2b8dcf">Open</a> (const char *<a class="el" href="../../d3/d73/classshaka_1_1File.html#a463be34c40e47f95510e991678b34605">file_name</a>, const char *mode)</td></tr>
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<tr class="separator:ac7b5143f9b8c3e786762fe4ada2b8dcf"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0a50526352bd6e946c4f33d3e8431b2d"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a0a50526352bd6e946c4f33d3e8431b2d">OpenWithNoBuffering</a> (const char *<a class="el" href="../../d3/d73/classshaka_1_1File.html#a463be34c40e47f95510e991678b34605">file_name</a>, const char *mode)</td></tr>
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<tr class="separator:a0a50526352bd6e946c4f33d3e8431b2d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a383c9f670511961f334569fd1a7a103b"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a383c9f670511961f334569fd1a7a103b">Delete</a> (const char *<a class="el" href="../../d3/d73/classshaka_1_1File.html#a463be34c40e47f95510e991678b34605">file_name</a>)</td></tr>
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<tr class="separator:a383c9f670511961f334569fd1a7a103b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac978d5c0585850d4d9948fdf39b33292"><td class="memItemLeft" align="right" valign="top">static int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#ac978d5c0585850d4d9948fdf39b33292">GetFileSize</a> (const char *<a class="el" href="../../d3/d73/classshaka_1_1File.html#a463be34c40e47f95510e991678b34605">file_name</a>)</td></tr>
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<tr class="separator:ac978d5c0585850d4d9948fdf39b33292"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ac9a19cb5fc45664ca440996bf1201c30"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#ac9a19cb5fc45664ca440996bf1201c30">ReadFileToString</a> (const char *<a class="el" href="../../d3/d73/classshaka_1_1File.html#a463be34c40e47f95510e991678b34605">file_name</a>, std::string *contents)</td></tr>
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<tr class="memitem:a483ce187d628385d342748315d72f8ab"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a483ce187d628385d342748315d72f8ab">WriteStringToFile</a> (const char *<a class="el" href="../../d3/d73/classshaka_1_1File.html#a463be34c40e47f95510e991678b34605">file_name</a>, const std::string &contents)</td></tr>
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<tr class="separator:a483ce187d628385d342748315d72f8ab"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4b5280fe058359b5991037f90dde2b77"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a4b5280fe058359b5991037f90dde2b77">WriteFileAtomically</a> (const char *<a class="el" href="../../d3/d73/classshaka_1_1File.html#a463be34c40e47f95510e991678b34605">file_name</a>, const std::string &contents)</td></tr>
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<tr class="separator:a4b5280fe058359b5991037f90dde2b77"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af2cbec5c6dc1c97ada010acd83b9728a"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#af2cbec5c6dc1c97ada010acd83b9728a">Copy</a> (const char *from_file_name, const char *to_file_name)</td></tr>
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<tr class="separator:af2cbec5c6dc1c97ada010acd83b9728a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a85633ec9f051eb9f32b07ff7e7740d1c"><td class="memItemLeft" align="right" valign="top">static int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a85633ec9f051eb9f32b07ff7e7740d1c">CopyFile</a> (<a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a> *source, <a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a> *destination)</td></tr>
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<tr class="separator:a85633ec9f051eb9f32b07ff7e7740d1c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a07e2d2f98597320f71fb96dff74cfcb2"><td class="memItemLeft" align="right" valign="top">static int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a07e2d2f98597320f71fb96dff74cfcb2">CopyFile</a> (<a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a> *source, <a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a> *destination, int64_t max_copy)</td></tr>
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<tr class="memitem:a7a90ebd27f7728a7075cf3ba97396cae"><td class="memItemLeft" align="right" valign="top">static std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a7a90ebd27f7728a7075cf3ba97396cae">MakeCallbackFileName</a> (const <a class="el" href="../../d9/da8/structshaka_1_1BufferCallbackParams.html">BufferCallbackParams</a> &callback_params, const std::string &name)</td></tr>
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<tr class="separator:a7a90ebd27f7728a7075cf3ba97396cae"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae87642f9661588e47479721cd101bf7d"><td class="memItemLeft" align="right" valign="top">static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#ae87642f9661588e47479721cd101bf7d">ParseCallbackFileName</a> (const std::string &callback_file_name, const <a class="el" href="../../d9/da8/structshaka_1_1BufferCallbackParams.html">BufferCallbackParams</a> **callback_params, std::string *name)</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
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Protected Member Functions</h2></td></tr>
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<tr class="memitem:a33ead01d4090de618937d4e989a9f27f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a33ead01d4090de618937d4e989a9f27f"></a>
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 </td><td class="memItemRight" valign="bottom"><b>File</b> (const std::string &<a class="el" href="../../d3/d73/classshaka_1_1File.html#a463be34c40e47f95510e991678b34605">file_name</a>)</td></tr>
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<tr class="memitem:a92d1a67d1560a5290eb36447c50fabf9"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a92d1a67d1560a5290eb36447c50fabf9">~File</a> ()</td></tr>
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<tr class="memitem:a68a15f623c2a1601879f291f93a1f464"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a68a15f623c2a1601879f291f93a1f464"></a>
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virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d73/classshaka_1_1File.html#a68a15f623c2a1601879f291f93a1f464">Open</a> ()=0</td></tr>
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<tr class="memdesc:a68a15f623c2a1601879f291f93a1f464"><td class="mdescLeft"> </td><td class="mdescRight">Internal open. Should not be used directly. <br/></td></tr>
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<tr class="separator:a68a15f623c2a1601879f291f93a1f464"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
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Friends</h2></td></tr>
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<tr class="memitem:a9bc31f0290fe6edb8a0e3f9b61825325"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9bc31f0290fe6edb8a0e3f9b61825325"></a>
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class </td><td class="memItemRight" valign="bottom"><b>ThreadedIoFile</b></td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Define an abstract file interface. </p>
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<p>Definition at line <a class="el" href="../../d2/d4d/file_8h_source.html#l00026">26</a> of file <a class="el" href="../../d2/d4d/file_8h_source.html">file.h</a>.</p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a class="anchor" id="a92d1a67d1560a5290eb36447c50fabf9"></a>
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<td class="memname">virtual shaka::File::~File </td>
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<td>(</td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">protected</span><span class="mlabel">virtual</span></span> </td>
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<p>Do <em>not</em> call the destructor directly (with the "delete" keyword) nor use std::unique_ptr; instead use <a class="el" href="../../d3/d73/classshaka_1_1File.html#a932666ed1d6a565bf387a9d8b39a8948">Close()</a>. </p>
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<p>Definition at line <a class="el" href="../../d2/d4d/file_8h_source.html#l00170">170</a> of file <a class="el" href="../../d2/d4d/file_8h_source.html">file.h</a>.</p>
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</div>
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<h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="a932666ed1d6a565bf387a9d8b39a8948"></a>
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<td class="memname">virtual bool shaka::File::Close </td>
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<td>(</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p><a class="el" href="../../d3/d73/classshaka_1_1File.html#a5fa625751e03b9e7652ba1bfa98b8ca4">Flush()</a> and de-allocate resources associated with this file, and delete this <a class="el" href="../../d3/d73/classshaka_1_1File.html" title="Define an abstract file interface. ">File</a> object. THIS IS THE ONE TRUE WAY TO DEALLOCATE THIS OBJECT. </p>
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<dl class="section return"><dt>Returns</dt><dd>true on success. For writable files, returning false MAY INDICATE DATA LOSS. </dd></dl>
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<p>Implemented in <a class="el" href="../../d4/dcb/classshaka_1_1UdpFile.html#a61cdb937b3a996bb8b054679d98df812">shaka::UdpFile</a>, <a class="el" href="../../dd/d0c/classshaka_1_1ThreadedIoFile.html#a79292b93c39f609b5348787a39fc77b2">shaka::ThreadedIoFile</a>, <a class="el" href="../../d7/dbd/classshaka_1_1LocalFile.html#a3d881c251c19a36eaf50483971095370">shaka::LocalFile</a>, <a class="el" href="../../de/dad/classshaka_1_1MemoryFile.html#a4cfe38684f4fdde650a2ed7fdc780f05">shaka::MemoryFile</a>, and <a class="el" href="../../dd/d40/classshaka_1_1CallbackFile.html#aac23ef04e5bafef7d5b4c5d7a3fcfbb5">shaka::CallbackFile</a>.</p>
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<td class="memname">bool shaka::File::Copy </td>
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<td>(</td>
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<td class="paramtype">const char * </td>
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<td class="paramname"><em>from_file_name</em>, </td>
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<td class="paramname"><em>to_file_name</em> </td>
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<td></td>
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<td>)</td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Copies files. This is not good for copying huge files. Although not recommended, it is safe to have source file and destination file name be the same. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">from_file_name</td><td>is the source file name. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>true on success, false otherwise. </dd></dl>
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<p>Definition at line <a class="el" href="../../d5/dfc/file_8cc_source.html#l00281">281</a> of file <a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a>.</p>
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<td class="memname">int64_t shaka::File::CopyFile </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a> * </td>
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<td class="paramname"><em>source</em>, </td>
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<td class="paramtype"><a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a> * </td>
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<td class="paramname"><em>destination</em> </td>
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<td>)</td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Copies the contents from source to destination. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">source</td><td>The file to copy from. </td></tr>
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<tr><td class="paramname">destination</td><td>The file to copy to. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Number of bytes written, or a value < 0 on error. </dd></dl>
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<p>Definition at line <a class="el" href="../../d5/dfc/file_8cc_source.html#l00316">316</a> of file <a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a>.</p>
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<td class="memname">int64_t shaka::File::CopyFile </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a> * </td>
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<td class="paramname"><em>source</em>, </td>
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<td class="paramtype"><a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a> * </td>
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<td class="paramkey"></td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Copies the contents from source to destination. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">source</td><td>The file to copy from. </td></tr>
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<tr><td class="paramname">destination</td><td>The file to copy to. </td></tr>
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<tr><td class="paramname">max_copy</td><td>The maximum number of bytes to copy; < 0 to copy to EOF. </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>Number of bytes written, or a value < 0 on error. </dd></dl>
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<p>Definition at line <a class="el" href="../../d5/dfc/file_8cc_source.html#l00320">320</a> of file <a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a>.</p>
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<td class="memname">bool shaka::File::Delete </td>
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<p>Delete the specified file. </p>
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<dl class="section return"><dt>Returns</dt><dd>true if successful, false otherwise. </dd></dl>
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<p>Definition at line <a class="el" href="../../d5/dfc/file_8cc_source.html#l00198">198</a> of file <a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a>.</p>
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<td class="memname">const std::string& shaka::File::file_name </td>
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<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>The file name. Note that the file type prefix has been stripped off. </dd></dl>
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<p>Definition at line <a class="el" href="../../d2/d4d/file_8h_source.html#l00094">94</a> of file <a class="el" href="../../d2/d4d/file_8h_source.html">file.h</a>.</p>
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<td class="memname">virtual bool shaka::File::Flush </td>
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<td>(</td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>Flush the file so that recently written data will survive an application crash (but not necessarily an OS crash). For instance, in <a class="el" href="../../d7/dbd/classshaka_1_1LocalFile.html" title="Implement LocalFile which deals with local storage. ">LocalFile</a> the data is flushed into the OS but not necessarily to disk. </p>
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<dl class="section return"><dt>Returns</dt><dd>true on success, false otherwise. </dd></dl>
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<p>Implemented in <a class="el" href="../../d4/dcb/classshaka_1_1UdpFile.html#a4b5430ec1d24434f5f6d9b20692efbc2">shaka::UdpFile</a>, <a class="el" href="../../dd/d0c/classshaka_1_1ThreadedIoFile.html#a2b53b72d99aad4439781e3887492452c">shaka::ThreadedIoFile</a>, <a class="el" href="../../d7/dbd/classshaka_1_1LocalFile.html#a04b4523a7352572b2c6d72f1d6f3a077">shaka::LocalFile</a>, <a class="el" href="../../de/dad/classshaka_1_1MemoryFile.html#aecf76d1658ea5f088ef1e42f04b9b64d">shaka::MemoryFile</a>, and <a class="el" href="../../dd/d40/classshaka_1_1CallbackFile.html#aef34f60f2e94f862e495c254edc58bd9">shaka::CallbackFile</a>.</p>
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<td class="memname">int64_t shaka::File::GetFileSize </td>
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<td>(</td>
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<td class="paramtype">const char * </td>
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<td class="paramname"><em>file_name</em></td><td>)</td>
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<dl class="section return"><dt>Returns</dt><dd>The size of a file in bytes on success, a value < 0 otherwise. The file will be opened and closed in the process. </dd></dl>
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<p>Definition at line <a class="el" href="../../d5/dfc/file_8cc_source.html#l00207">207</a> of file <a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a>.</p>
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<td class="memname">std::string shaka::File::MakeCallbackFileName </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="../../d9/da8/structshaka_1_1BufferCallbackParams.html">BufferCallbackParams</a> & </td>
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<p>Generate callback file name. NOTE: THE GENERATED NAME IS ONLY VAID WHILE <em>callback_params</em> IS VALID. </p>
|
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">callback_params</td><td>references <a class="el" href="../../d9/da8/structshaka_1_1BufferCallbackParams.html" title="Buffer callback params. ">BufferCallbackParams</a>, which will be embedded in the generated callback file name. </td></tr>
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<tr><td class="paramname">name</td><td>is the name of the buffer, which will be embedded in the generated callback file name. </td></tr>
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<p>Definition at line <a class="el" href="../../d5/dfc/file_8cc_source.html#l00354">354</a> of file <a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a>.</p>
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<td class="memname"><a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a> * shaka::File::Open </td>
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<td>(</td>
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<td class="paramtype">const char * </td>
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<td class="paramname"><em>file_name</em>, </td>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const char * </td>
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<td class="paramname"><em>mode</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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</div><div class="memdoc">
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<p>Open the specified file. This is a file factory method, it opens a proper file automatically based on prefix, e.g. "file://" for <a class="el" href="../../d7/dbd/classshaka_1_1LocalFile.html" title="Implement LocalFile which deals with local storage. ">LocalFile</a>. </p>
|
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<dl class="params"><dt>Parameters</dt><dd>
|
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<table class="params">
|
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<tr><td class="paramname">file_name</td><td>contains the name of the file to be accessed. </td></tr>
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<tr><td class="paramname">mode</td><td>contains file access mode. Implementation dependent. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>A <a class="el" href="../../d3/d73/classshaka_1_1File.html" title="Define an abstract file interface. ">File</a> pointer on success, false otherwise. </dd></dl>
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<p>Definition at line <a class="el" href="../../d5/dfc/file_8cc_source.html#l00176">176</a> of file <a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a>.</p>
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<td class="memname"><a class="el" href="../../d3/d73/classshaka_1_1File.html">File</a> * shaka::File::OpenWithNoBuffering </td>
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<td>(</td>
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<td class="paramtype">const char * </td>
|
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<td class="paramname"><em>file_name</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const char * </td>
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<td class="paramname"><em>mode</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Open the specified file in direct-access mode (no buffering). This is a file factory method, it opens a proper file automatically based on prefix, e.g. "file://" for <a class="el" href="../../d7/dbd/classshaka_1_1LocalFile.html" title="Implement LocalFile which deals with local storage. ">LocalFile</a>. </p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">file_name</td><td>contains the name of the file to be accessed. </td></tr>
|
|
<tr><td class="paramname">mode</td><td>contains file access mode. Implementation dependent. </td></tr>
|
|
</table>
|
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</dd>
|
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</dl>
|
|
<dl class="section return"><dt>Returns</dt><dd>A <a class="el" href="../../d3/d73/classshaka_1_1File.html" title="Define an abstract file interface. ">File</a> pointer on success, false otherwise. </dd></dl>
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<p>Definition at line <a class="el" href="../../d5/dfc/file_8cc_source.html#l00187">187</a> of file <a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a>.</p>
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<a class="anchor" id="ae87642f9661588e47479721cd101bf7d"></a>
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<div class="memproto">
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<td class="memname">bool shaka::File::ParseCallbackFileName </td>
|
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<td>(</td>
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<td class="paramtype">const std::string & </td>
|
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<td class="paramname"><em>callback_file_name</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="../../d9/da8/structshaka_1_1BufferCallbackParams.html">BufferCallbackParams</a> ** </td>
|
|
<td class="paramname"><em>callback_params</em>, </td>
|
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<tr>
|
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">std::string * </td>
|
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<td class="paramname"><em>name</em> </td>
|
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Parse and extract callback params. </p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">callback_file_name</td><td>is the name of the callback file which contains <em>callback_params</em> and <em>name</em>. </td></tr>
|
|
<tr><td class="paramname">callback_params</td><td>points to the parsed <a class="el" href="../../d9/da8/structshaka_1_1BufferCallbackParams.html" title="Buffer callback params. ">BufferCallbackParams</a> pointer. </td></tr>
|
|
<tr><td class="paramname">name</td><td>points to the parsed name. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section return"><dt>Returns</dt><dd>true on success, false otherwise. </dd></dl>
|
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<p>Definition at line <a class="el" href="../../d5/dfc/file_8cc_source.html#l00364">364</a> of file <a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a>.</p>
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</div>
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<a class="anchor" id="a6e1ecb2904b609554d332290f20fde0a"></a>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<td class="memname">virtual int64_t shaka::File::Read </td>
|
|
<td>(</td>
|
|
<td class="paramtype">void * </td>
|
|
<td class="paramname"><em>buffer</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint64_t </td>
|
|
<td class="paramname"><em>length</em> </td>
|
|
</tr>
|
|
<tr>
|
|
<td></td>
|
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<td>)</td>
|
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<td></td><td></td>
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|
</tr>
|
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</table>
|
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</td>
|
|
<td class="mlabels-right">
|
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Read data and return it in buffer. </p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramdir">[out]</td><td class="paramname">buffer</td><td>points to a block of memory with a size of at least <em>length</em> bytes. </td></tr>
|
|
<tr><td class="paramdir"></td><td class="paramname">length</td><td>indicates number of bytes to be read. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section return"><dt>Returns</dt><dd>Number of bytes read, or a value < 0 on error. Zero on end-of-file, or if 'length' is zero. </dd></dl>
|
|
|
|
<p>Implemented in <a class="el" href="../../d4/dcb/classshaka_1_1UdpFile.html#a74d352b51d543905abd4a12687e1bb98">shaka::UdpFile</a>, <a class="el" href="../../dd/d0c/classshaka_1_1ThreadedIoFile.html#af45702d95d4e46e93b1f4a897844212e">shaka::ThreadedIoFile</a>, <a class="el" href="../../d7/dbd/classshaka_1_1LocalFile.html#a27c3bf51fe18ebc10bf42ebcec20c9cb">shaka::LocalFile</a>, <a class="el" href="../../de/dad/classshaka_1_1MemoryFile.html#aeacb3b7f72e0c412bd0cba8a6f1ed62f">shaka::MemoryFile</a>, and <a class="el" href="../../dd/d40/classshaka_1_1CallbackFile.html#a867e0c5eaf81a41902e1370deb912617">shaka::CallbackFile</a>.</p>
|
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</div>
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</div>
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<a class="anchor" id="ac9a19cb5fc45664ca440996bf1201c30"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
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<td class="memname">bool shaka::File::ReadFileToString </td>
|
|
<td>(</td>
|
|
<td class="paramtype">const char * </td>
|
|
<td class="paramname"><em>file_name</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">std::string * </td>
|
|
<td class="paramname"><em>contents</em> </td>
|
|
</tr>
|
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<tr>
|
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<td></td>
|
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<td>)</td>
|
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<td></td><td></td>
|
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</tr>
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</table>
|
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</td>
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<td class="mlabels-right">
|
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Read the contents of a file into string. </p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">file_name</td><td>is the file to be read. It should be a valid file. </td></tr>
|
|
<tr><td class="paramname">contents[out]</td><td>points to the output string. Should not be NULL. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section return"><dt>Returns</dt><dd>true on success, false otherwise. </dd></dl>
|
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|
|
<p>Definition at line <a class="el" href="../../d5/dfc/file_8cc_source.html#l00216">216</a> of file <a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a>.</p>
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</div>
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</div>
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<a class="anchor" id="a486bda715b58b1a1863fbfc8d48da62a"></a>
|
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
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<td class="memname">virtual bool shaka::File::Seek </td>
|
|
<td>(</td>
|
|
<td class="paramtype">uint64_t </td>
|
|
<td class="paramname"><em>position</em></td><td>)</td>
|
|
<td></td>
|
|
</tr>
|
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</table>
|
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</td>
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<td class="mlabels-right">
|
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Seek to the specifield position in the file. </p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">position</td><td>is the position to seek to. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section return"><dt>Returns</dt><dd>true on success, false otherwise. </dd></dl>
|
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|
|
<p>Implemented in <a class="el" href="../../d4/dcb/classshaka_1_1UdpFile.html#a33d10d2f1558a35aaba192f7746bb23f">shaka::UdpFile</a>, <a class="el" href="../../dd/d0c/classshaka_1_1ThreadedIoFile.html#a9b95550cf6342f970645c086a2ed58c2">shaka::ThreadedIoFile</a>, <a class="el" href="../../d7/dbd/classshaka_1_1LocalFile.html#a082cd6d64c8f04acff251cdafb66b203">shaka::LocalFile</a>, <a class="el" href="../../de/dad/classshaka_1_1MemoryFile.html#a0e3bffa9859fdcb7c28c20a15e2d3e98">shaka::MemoryFile</a>, and <a class="el" href="../../dd/d40/classshaka_1_1CallbackFile.html#a7c9039e25fcc468a7ec2cdfa8394ffc2">shaka::CallbackFile</a>.</p>
|
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</div>
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</div>
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<a class="anchor" id="aeb98b64a05f141140e110170bef1bc55"></a>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
|
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<td class="memname">virtual int64_t shaka::File::Size </td>
|
|
<td>(</td>
|
|
<td class="paramname"></td><td>)</td>
|
|
<td></td>
|
|
</tr>
|
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</table>
|
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</td>
|
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<td class="mlabels-right">
|
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="section return"><dt>Returns</dt><dd>Size of the file in bytes. A return value less than zero indicates a problem getting the size. </dd></dl>
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|
|
<p>Implemented in <a class="el" href="../../d4/dcb/classshaka_1_1UdpFile.html#a0a1c8d7af211bba4da62eb44504d745d">shaka::UdpFile</a>, <a class="el" href="../../dd/d0c/classshaka_1_1ThreadedIoFile.html#af23f2da404e1602c240bb59d2601f1b9">shaka::ThreadedIoFile</a>, <a class="el" href="../../d7/dbd/classshaka_1_1LocalFile.html#ad20649d0ee575b81830a5abf88e2bde1">shaka::LocalFile</a>, <a class="el" href="../../de/dad/classshaka_1_1MemoryFile.html#a151634866be009cf0eb10e783432d5cb">shaka::MemoryFile</a>, and <a class="el" href="../../dd/d40/classshaka_1_1CallbackFile.html#ab6bcbc6773b29fee1664507558e8759f">shaka::CallbackFile</a>.</p>
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<a class="anchor" id="a07ae6476e88dab6c0cd9d8c0073b667d"></a>
|
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<td class="memname">virtual bool shaka::File::Tell </td>
|
|
<td>(</td>
|
|
<td class="paramtype">uint64_t * </td>
|
|
<td class="paramname"><em>position</em></td><td>)</td>
|
|
<td></td>
|
|
</tr>
|
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</table>
|
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</td>
|
|
<td class="mlabels-right">
|
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Get the current file position. </p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">position</td><td>is a pointer to contain the current file position upon successful return. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section return"><dt>Returns</dt><dd>true on succcess, false otherwise. </dd></dl>
|
|
|
|
<p>Implemented in <a class="el" href="../../d4/dcb/classshaka_1_1UdpFile.html#a4024a139655cf22f2cf2b4e56be8e1fc">shaka::UdpFile</a>, <a class="el" href="../../dd/d0c/classshaka_1_1ThreadedIoFile.html#a6ee5bcbe6bb8dd232679b2c50d968f4e">shaka::ThreadedIoFile</a>, <a class="el" href="../../d7/dbd/classshaka_1_1LocalFile.html#af111d93e10ae0128f082eef77eaa914b">shaka::LocalFile</a>, <a class="el" href="../../de/dad/classshaka_1_1MemoryFile.html#a4dfdba703861d211e7111612f5ac029c">shaka::MemoryFile</a>, and <a class="el" href="../../dd/d40/classshaka_1_1CallbackFile.html#adef67a4de398b8be95bb3ae4ce770d69">shaka::CallbackFile</a>.</p>
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</div>
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<a class="anchor" id="a8c498531ecbd205fceb0be3478361801"></a>
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<div class="memitem">
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<div class="memproto">
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<td class="memname">virtual int64_t shaka::File::Write </td>
|
|
<td>(</td>
|
|
<td class="paramtype">const void * </td>
|
|
<td class="paramname"><em>buffer</em>, </td>
|
|
</tr>
|
|
<tr>
|
|
<td class="paramkey"></td>
|
|
<td></td>
|
|
<td class="paramtype">uint64_t </td>
|
|
<td class="paramname"><em>length</em> </td>
|
|
</tr>
|
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<tr>
|
|
<td></td>
|
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<td>)</td>
|
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<td></td><td></td>
|
|
</tr>
|
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</table>
|
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</td>
|
|
<td class="mlabels-right">
|
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
|
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</table>
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</div><div class="memdoc">
|
|
<p>Write block of data. </p>
|
|
<dl class="params"><dt>Parameters</dt><dd>
|
|
<table class="params">
|
|
<tr><td class="paramname">buffer</td><td>points to a block of memory with at least <em>length</em> bytes. </td></tr>
|
|
<tr><td class="paramname">length</td><td>indicates number of bytes to write. </td></tr>
|
|
</table>
|
|
</dd>
|
|
</dl>
|
|
<dl class="section return"><dt>Returns</dt><dd>Number of bytes written, or a value < 0 on error. </dd></dl>
|
|
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<p>Implemented in <a class="el" href="../../d4/dcb/classshaka_1_1UdpFile.html#a36722f3c436c88e451093ee21c0db754">shaka::UdpFile</a>, <a class="el" href="../../dd/d0c/classshaka_1_1ThreadedIoFile.html#ab8acfe4af14c1120ae6d2baa44a10583">shaka::ThreadedIoFile</a>, <a class="el" href="../../d7/dbd/classshaka_1_1LocalFile.html#aee10b7f2898c5047eb8505f16c49311c">shaka::LocalFile</a>, <a class="el" href="../../de/dad/classshaka_1_1MemoryFile.html#aa3d9455b7bc9d1c44d58ab39bd8bd27c">shaka::MemoryFile</a>, and <a class="el" href="../../dd/d40/classshaka_1_1CallbackFile.html#aa758dfb05daff81afa1ddfaf0bb0a105">shaka::CallbackFile</a>.</p>
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<td class="memname">bool shaka::File::WriteFileAtomically </td>
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<td>(</td>
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<td class="paramtype">const char * </td>
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<td class="paramname"><em>file_name</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const std::string & </td>
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<td class="paramname"><em>contents</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Save <code>contents</code> to <code>file_name</code> in an atomic manner. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">file_name</td><td>is the destination file name. </td></tr>
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<tr><td class="paramname">contents</td><td>is the data to be saved. </td></tr>
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</table>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>true on success, false otherwise. </dd></dl>
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<p>Definition at line <a class="el" href="../../d5/dfc/file_8cc_source.html#l00262">262</a> of file <a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a>.</p>
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<td class="memname">bool shaka::File::WriteStringToFile </td>
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<td>(</td>
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<td class="paramtype">const char * </td>
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<td class="paramname"><em>file_name</em>, </td>
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<td class="paramkey"></td>
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<td class="paramname"><em>contents</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Writes the data to file. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">file_name</td><td>is the file to write to. </td></tr>
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<tr><td class="paramname">contents</td><td>is the data to write. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>true on success, false otherwise. </dd></dl>
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<p>Definition at line <a class="el" href="../../d5/dfc/file_8cc_source.html#l00234">234</a> of file <a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a>.</p>
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>packager/file/<a class="el" href="../../d2/d4d/file_8h_source.html">file.h</a></li>
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<li>packager/file/<a class="el" href="../../d5/dfc/file_8cc_source.html">file.cc</a></li>
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</ul>
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</div><!-- contents -->
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<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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Generated on Tue Sep 19 2017 19:34:13 for Shaka Packager SDK by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="../../doxygen.png" alt="doxygen"/>
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</a> 1.8.6
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</small></address>
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