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<li class="navelem"><a class="el" href="namespaceExiv2.html">Exiv2</a></li><li class="navelem"><a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a></li> </ul>
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<div class="title">Exiv2::DataBuf Class Reference</div> </div>
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<p>Utility class containing a character array. All it does is to take care of memory allocation and deletion. Its primary use is meant to be as a stack variable in functions that need a temporary data buffer.
<a href="classExiv2_1_1DataBuf.html#details">More...</a></p>
<p><code>#include <types.hpp></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Creators</div></td></tr>
<tr class="memitem:a7acbb6dd1dc8ba1cfded52cafffe1da9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7acbb6dd1dc8ba1cfded52cafffe1da9"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DataBuf.html#a7acbb6dd1dc8ba1cfded52cafffe1da9">DataBuf</a> ()</td></tr>
<tr class="memdesc:a7acbb6dd1dc8ba1cfded52cafffe1da9"><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <br /></td></tr>
<tr class="separator:a7acbb6dd1dc8ba1cfded52cafffe1da9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa7f5e919eddab5d8623cebbc6af91328"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa7f5e919eddab5d8623cebbc6af91328"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DataBuf.html#aa7f5e919eddab5d8623cebbc6af91328">DataBuf</a> (long size)</td></tr>
<tr class="memdesc:aa7f5e919eddab5d8623cebbc6af91328"><td class="mdescLeft"> </td><td class="mdescRight">Constructor with an initial buffer size. <br /></td></tr>
<tr class="separator:aa7f5e919eddab5d8623cebbc6af91328"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa0a63b749954741d5516dd58265b2e5c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa0a63b749954741d5516dd58265b2e5c"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DataBuf.html#aa0a63b749954741d5516dd58265b2e5c">DataBuf</a> (const <a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> *pData, long size)</td></tr>
<tr class="memdesc:aa0a63b749954741d5516dd58265b2e5c"><td class="mdescLeft"> </td><td class="mdescRight">Constructor, copies an existing buffer. <br /></td></tr>
<tr class="separator:aa0a63b749954741d5516dd58265b2e5c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af94cfd1ae0f844d5facfb93a0d0a061e"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af94cfd1ae0f844d5facfb93a0d0a061e"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DataBuf.html#af94cfd1ae0f844d5facfb93a0d0a061e">DataBuf</a> (<a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a> &rhs)</td></tr>
<tr class="memdesc:af94cfd1ae0f844d5facfb93a0d0a061e"><td class="mdescLeft"> </td><td class="mdescRight">Copy constructor. Transfers the buffer to the newly created object similar to std::auto_ptr, i.e., the original object is modified. <br /></td></tr>
<tr class="separator:af94cfd1ae0f844d5facfb93a0d0a061e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab5ee5eefc2521158847edeb0ff12ac6c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab5ee5eefc2521158847edeb0ff12ac6c"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DataBuf.html#ab5ee5eefc2521158847edeb0ff12ac6c">~DataBuf</a> ()</td></tr>
<tr class="memdesc:ab5ee5eefc2521158847edeb0ff12ac6c"><td class="mdescLeft"> </td><td class="mdescRight">Destructor, deletes the allocated buffer. <br /></td></tr>
<tr class="separator:ab5ee5eefc2521158847edeb0ff12ac6c"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Manipulators</div></td></tr>
<tr class="memitem:a064e231bd57cea71fdee957a1dac3ab5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a064e231bd57cea71fdee957a1dac3ab5"></a>
<a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DataBuf.html#a064e231bd57cea71fdee957a1dac3ab5">operator=</a> (<a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a> &rhs)</td></tr>
<tr class="memdesc:a064e231bd57cea71fdee957a1dac3ab5"><td class="mdescLeft"> </td><td class="mdescRight">Assignment operator. Transfers the buffer and releases the buffer at the original object similar to std::auto_ptr, i.e., the original object is modified. <br /></td></tr>
<tr class="separator:a064e231bd57cea71fdee957a1dac3ab5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abe06b478dee2d020c4bde3f974bdeb90"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abe06b478dee2d020c4bde3f974bdeb90"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DataBuf.html#abe06b478dee2d020c4bde3f974bdeb90">alloc</a> (long size)</td></tr>
<tr class="memdesc:abe06b478dee2d020c4bde3f974bdeb90"><td class="mdescLeft"> </td><td class="mdescRight">Allocate a data buffer of at least the given size. Note that if the requested <em>size</em> is less than the current buffer size, no new memory is allocated and the buffer size doesn't change. <br /></td></tr>
<tr class="separator:abe06b478dee2d020c4bde3f974bdeb90"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2fb958d6820e3790d14ab143159f50b2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2fb958d6820e3790d14ab143159f50b2"></a>
std::pair< <a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> *, long > </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DataBuf.html#a2fb958d6820e3790d14ab143159f50b2">release</a> ()</td></tr>
<tr class="memdesc:a2fb958d6820e3790d14ab143159f50b2"><td class="mdescLeft"> </td><td class="mdescRight">Release ownership of the buffer to the caller. Returns the buffer as a data pointer and size pair, resets the internal buffer. <br /></td></tr>
<tr class="separator:a2fb958d6820e3790d14ab143159f50b2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac553cc3082d217d4b139dfca83602076"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac553cc3082d217d4b139dfca83602076"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DataBuf.html#ac553cc3082d217d4b139dfca83602076">reset</a> (std::pair< <a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> *, long >=std::make_pair((<a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> *)(0), long(0)))</td></tr>
<tr class="memdesc:ac553cc3082d217d4b139dfca83602076"><td class="mdescLeft"> </td><td class="mdescRight">Reset value. <br /></td></tr>
<tr class="separator:ac553cc3082d217d4b139dfca83602076"><td class="memSeparator" colspan="2"> </td></tr>
<tr><td colspan="2"><div class="groupHeader">Conversions</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p>Special conversions with auxiliary type to enable copies and assignments, similar to those used for std::auto_ptr. See <a href="http://www.josuttis.com/libbook/auto_ptr.html">http://www.josuttis.com/libbook/auto_ptr.html</a> for a discussion. </p>
</div></td></tr>
<tr class="memitem:a49057ada097161d6863bdfdcce8f06d5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a49057ada097161d6863bdfdcce8f06d5"></a>
 </td><td class="memItemRight" valign="bottom"><b>DataBuf</b> (<a class="el" href="structExiv2_1_1DataBufRef.html">DataBufRef</a> rhs)</td></tr>
<tr class="separator:a49057ada097161d6863bdfdcce8f06d5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aeef26ca96f18232a773b4b52e919c5cd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aeef26ca96f18232a773b4b52e919c5cd"></a>
<a class="el" href="classExiv2_1_1DataBuf.html">DataBuf</a> & </td><td class="memItemRight" valign="bottom"><b>operator=</b> (<a class="el" href="structExiv2_1_1DataBufRef.html">DataBufRef</a> rhs)</td></tr>
<tr class="separator:aeef26ca96f18232a773b4b52e919c5cd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a018caf9c4407860f8dbc27b40b2af426"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a018caf9c4407860f8dbc27b40b2af426"></a>
 </td><td class="memItemRight" valign="bottom"><b>operator DataBufRef</b> ()</td></tr>
<tr class="separator:a018caf9c4407860f8dbc27b40b2af426"><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:a9a00173081c913d3add58854d9ad2c39"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9a00173081c913d3add58854d9ad2c39"></a>
<a class="el" href="namespaceExiv2.html#a16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DataBuf.html#a9a00173081c913d3add58854d9ad2c39">pData_</a></td></tr>
<tr class="memdesc:a9a00173081c913d3add58854d9ad2c39"><td class="mdescLeft"> </td><td class="mdescRight">Pointer to the buffer, 0 if none has been allocated. <br /></td></tr>
<tr class="separator:a9a00173081c913d3add58854d9ad2c39"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5e6028d5cdae2e149749667cf66c3e91"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5e6028d5cdae2e149749667cf66c3e91"></a>
long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DataBuf.html#a5e6028d5cdae2e149749667cf66c3e91">size_</a></td></tr>
<tr class="memdesc:a5e6028d5cdae2e149749667cf66c3e91"><td class="mdescLeft"> </td><td class="mdescRight">The current size of the buffer. <br /></td></tr>
<tr class="separator:a5e6028d5cdae2e149749667cf66c3e91"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Utility class containing a character array. All it does is to take care of memory allocation and deletion. Its primary use is meant to be as a stack variable in functions that need a temporary data buffer. </p>
</div><hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="types_8hpp.html">types.hpp</a></li>
<li>types.cpp</li>
</ul>
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