cpl__list_8h.html

gdal库的学习文档

<p>
Return the pointer to the specified element in a list.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>psList</em>&nbsp;</td><td>pointer to list head.</td></tr>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>pointer to the specified element in a list. </dd></dl>

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<a class="anchor" name="7172178c5ec7f4b8292ab376c88ceaef"></a><!-- doxytag: member="cpl_list.h::CPLListGetData" ref="7172178c5ec7f4b8292ab376c88ceaef" args="(CPLList *psElement)" -->
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          <td class="memname">void* CPLListGetData           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="struct__CPLList.html">CPLList</a> *&nbsp;</td>
          <td class="paramname"> <em>psElement</em>          </td>
          <td>&nbsp;)&nbsp;</td>
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<p>
Return pointer to the data object contained in given list element.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>psElement</em>&nbsp;</td><td>pointer to list element.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>pointer to the data object contained in given list element. </dd></dl>

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<a class="anchor" name="8ed2d72f3e97a8dbcf215e1a9df65888"></a><!-- doxytag: member="cpl_list.h::CPLListGetLast" ref="8ed2d72f3e97a8dbcf215e1a9df65888" args="(CPLList *psList)" -->
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          <td class="memname"><a class="el" href="struct__CPLList.html">CPLList</a>* CPLListGetLast           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="struct__CPLList.html">CPLList</a> *&nbsp;</td>
          <td class="paramname"> <em>psList</em>          </td>
          <td>&nbsp;)&nbsp;</td>
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<p>
Return the pointer to last element in a list.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>psList</em>&nbsp;</td><td>pointer to list head.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>pointer to last element in a list. </dd></dl>

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<a class="anchor" name="31f2b51b02c65c6e18443c808494ea2b"></a><!-- doxytag: member="cpl_list.h::CPLListGetNext" ref="31f2b51b02c65c6e18443c808494ea2b" args="(CPLList *psElement)" -->
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          <td class="memname"><a class="el" href="struct__CPLList.html">CPLList</a>* CPLListGetNext           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="struct__CPLList.html">CPLList</a> *&nbsp;</td>
          <td class="paramname"> <em>psElement</em>          </td>
          <td>&nbsp;)&nbsp;</td>
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<p>
Return the pointer to next element in a list.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>psElement</em>&nbsp;</td><td>pointer to list element.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>pointer to the list element preceded by the given element. </dd></dl>

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<a class="anchor" name="0ac887cca7e1a3ef9bac3f618c622f8a"></a><!-- doxytag: member="cpl_list.h::CPLListInsert" ref="0ac887cca7e1a3ef9bac3f618c622f8a" args="(CPLList *psList, void *pData, int nPosition)" -->
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          <td class="memname"><a class="el" href="struct__CPLList.html">CPLList</a>* CPLListInsert           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="struct__CPLList.html">CPLList</a> *&nbsp;</td>
          <td class="paramname"> <em>psList</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&nbsp;</td>
          <td class="paramname"> <em>pData</em>, </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>nPosition</em></td><td>&nbsp;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td width="100%"></td>
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<p>
Insert an object into list at specified position (zero based). If the input list is NULL, then a new list is created.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>psList</em>&nbsp;</td><td>pointer to list head. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>pData</em>&nbsp;</td><td>pointer to inserted data object. May be NULL. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>nPosition</em>&nbsp;</td><td>position number to insert an object.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>pointer to the head of modified list. </dd></dl>

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<a class="anchor" name="6b6e9b39a015ccb6de42f920b67bb66a"></a><!-- doxytag: member="cpl_list.h::CPLListRemove" ref="6b6e9b39a015ccb6de42f920b67bb66a" args="(CPLList *psList, int nPosition)" -->
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          <td class="memname"><a class="el" href="struct__CPLList.html">CPLList</a>* CPLListRemove           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="struct__CPLList.html">CPLList</a> *&nbsp;</td>
          <td class="paramname"> <em>psList</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>nPosition</em></td><td>&nbsp;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td width="100%"></td>
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<p>
Remone the element from the specified position (zero based) in a list. Data object contained in removed element must be freed by the caller first.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>psList</em>&nbsp;</td><td>pointer to list head. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>nPosition</em>&nbsp;</td><td>position number to delet an element.</td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>pointer to the head of modified list. </dd></dl>

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