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v2.14.2
doc/devhelp/libxml2-chvalid.html
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Nick Wellnhofer
Update documentation for 2.14.0
27 мар 2025, 17:17
27 мар 2025, 17:17
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<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>chvalid: Unicode character range checking</title> <meta name="generator" content="Libxml2 devhelp stylesheet"> <link rel="start" href="index.html" title="libxml2 Reference Manual"> <link rel="up" href="general.html" title="API"> <link rel="stylesheet" href="style.css" type="text/css"> <link rel="chapter" href="general.html" title="API"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"> <td><a accesskey="p" href="libxml2-catalog.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td> <td><a accesskey="u" href="general.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td> <td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td> <td><a accesskey="n" href="libxml2-debugXML.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td> <th width="100%" align="center">libxml2 Reference Manual</th> </tr></table> <h2><span class="refentrytitle">chvalid</span></h2> <p>chvalid - Unicode character range checking</p> <p>this module exports interfaces for the character range validation APIs This file is automatically generated from the cvs source definition files using the genChRanges.py Python script </p> <p>Author(s): William Brack <wbrack@mmm.com.hk> </p> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <pre class="synopsis">#define <a href="#xmlIsBaseCharQ">xmlIsBaseCharQ</a>(c); #define <a href="#xmlIsBaseChar_ch">xmlIsBaseChar_ch</a>(c); #define <a href="#xmlIsBlankQ">xmlIsBlankQ</a>(c); #define <a href="#xmlIsBlank_ch">xmlIsBlank_ch</a>(c); #define <a href="#xmlIsCharQ">xmlIsCharQ</a>(c); #define <a href="#xmlIsChar_ch">xmlIsChar_ch</a>(c); #define <a href="#xmlIsCombiningQ">xmlIsCombiningQ</a>(c); #define <a href="#xmlIsDigitQ">xmlIsDigitQ</a>(c); #define <a href="#xmlIsDigit_ch">xmlIsDigit_ch</a>(c); #define <a href="#xmlIsExtenderQ">xmlIsExtenderQ</a>(c); #define <a href="#xmlIsExtender_ch">xmlIsExtender_ch</a>(c); #define <a href="#xmlIsIdeographicQ">xmlIsIdeographicQ</a>(c); #define <a href="#xmlIsPubidCharQ">xmlIsPubidCharQ</a>(c); #define <a href="#xmlIsPubidChar_ch">xmlIsPubidChar_ch</a>(c); typedef struct _xmlChLRange <a href="#xmlChLRange">xmlChLRange</a>; typedef <a href="libxml2-chvalid.html#xmlChLRange">xmlChLRange</a> * <a href="#xmlChLRangePtr">xmlChLRangePtr</a>; typedef struct _xmlChRangeGroup <a href="#xmlChRangeGroup">xmlChRangeGroup</a>; typedef <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> * <a href="#xmlChRangeGroupPtr">xmlChRangeGroupPtr</a>; typedef struct _xmlChSRange <a href="#xmlChSRange">xmlChSRange</a>; typedef <a href="libxml2-chvalid.html#xmlChSRange">xmlChSRange</a> * <a href="#xmlChSRangePtr">xmlChSRangePtr</a>; int <a href="#xmlCharInRange">xmlCharInRange</a> (unsigned int val, <br> const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> * rptr); int <a href="#xmlIsBaseChar">xmlIsBaseChar</a> (unsigned int ch); int <a href="#xmlIsBlank">xmlIsBlank</a> (unsigned int ch); int <a href="#xmlIsChar">xmlIsChar</a> (unsigned int ch); int <a href="#xmlIsCombining">xmlIsCombining</a> (unsigned int ch); int <a href="#xmlIsDigit">xmlIsDigit</a> (unsigned int ch); int <a href="#xmlIsExtender">xmlIsExtender</a> (unsigned int ch); int <a href="#xmlIsIdeographic">xmlIsIdeographic</a> (unsigned int ch); int <a href="#xmlIsPubidChar">xmlIsPubidChar</a> (unsigned int ch); </pre> </div> <div class="refsect1" lang="en"><h2>Description</h2></div> <div class="refsect1" lang="en"> <h2>Details</h2> <div class="refsect2" lang="en"> <div class="refsect2" lang="en"> <h3> <a name="xmlIsBaseCharQ">Macro </a>xmlIsBaseCharQ</h3> <pre class="programlisting">#define <a href="#xmlIsBaseCharQ">xmlIsBaseCharQ</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsBaseChar_ch">Macro </a>xmlIsBaseChar_ch</h3> <pre class="programlisting">#define <a href="#xmlIsBaseChar_ch">xmlIsBaseChar_ch</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsBlankQ">Macro </a>xmlIsBlankQ</h3> <pre class="programlisting">#define <a href="#xmlIsBlankQ">xmlIsBlankQ</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsBlank_ch">Macro </a>xmlIsBlank_ch</h3> <pre class="programlisting">#define <a href="#xmlIsBlank_ch">xmlIsBlank_ch</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsCharQ">Macro </a>xmlIsCharQ</h3> <pre class="programlisting">#define <a href="#xmlIsCharQ">xmlIsCharQ</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsChar_ch">Macro </a>xmlIsChar_ch</h3> <pre class="programlisting">#define <a href="#xmlIsChar_ch">xmlIsChar_ch</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsCombiningQ">Macro </a>xmlIsCombiningQ</h3> <pre class="programlisting">#define <a href="#xmlIsCombiningQ">xmlIsCombiningQ</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsDigitQ">Macro </a>xmlIsDigitQ</h3> <pre class="programlisting">#define <a href="#xmlIsDigitQ">xmlIsDigitQ</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsDigit_ch">Macro </a>xmlIsDigit_ch</h3> <pre class="programlisting">#define <a href="#xmlIsDigit_ch">xmlIsDigit_ch</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsExtenderQ">Macro </a>xmlIsExtenderQ</h3> <pre class="programlisting">#define <a href="#xmlIsExtenderQ">xmlIsExtenderQ</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsExtender_ch">Macro </a>xmlIsExtender_ch</h3> <pre class="programlisting">#define <a href="#xmlIsExtender_ch">xmlIsExtender_ch</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsIdeographicQ">Macro </a>xmlIsIdeographicQ</h3> <pre class="programlisting">#define <a href="#xmlIsIdeographicQ">xmlIsIdeographicQ</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsPubidCharQ">Macro </a>xmlIsPubidCharQ</h3> <pre class="programlisting">#define <a href="#xmlIsPubidCharQ">xmlIsPubidCharQ</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsPubidChar_ch">Macro </a>xmlIsPubidChar_ch</h3> <pre class="programlisting">#define <a href="#xmlIsPubidChar_ch">xmlIsPubidChar_ch</a>(c); </pre> <p>Automatically generated by genChRanges.py</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>c</tt></i>:</span></td> <td>char to validate</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlChLRange">Structure </a>xmlChLRange</h3> <pre class="programlisting">struct _xmlChLRange { unsigned int low unsigned int high } xmlChLRange; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlChLRangePtr">Typedef </a>xmlChLRangePtr</h3> <pre class="programlisting"><a href="libxml2-chvalid.html#xmlChLRange">xmlChLRange</a> * xmlChLRangePtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlChRangeGroup">Structure </a>xmlChRangeGroup</h3> <pre class="programlisting">struct _xmlChRangeGroup { int nbShortRange int nbLongRange const <a href="libxml2-chvalid.html#xmlChSRange">xmlChSRange</a> * shortRange const <a href="libxml2-chvalid.html#xmlChLRange">xmlChLRange</a> * longRange } xmlChRangeGroup; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlChRangeGroupPtr">Typedef </a>xmlChRangeGroupPtr</h3> <pre class="programlisting"><a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> * xmlChRangeGroupPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlChSRange">Structure </a>xmlChSRange</h3> <pre class="programlisting">struct _xmlChSRange { unsigned short low unsigned short high } xmlChSRange; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlChSRangePtr">Typedef </a>xmlChSRangePtr</h3> <pre class="programlisting"><a href="libxml2-chvalid.html#xmlChSRange">xmlChSRange</a> * xmlChSRangePtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsBaseCharGroup">Variable </a>xmlIsBaseCharGroup</h3> <pre class="programlisting">const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> xmlIsBaseCharGroup; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsCharGroup">Variable </a>xmlIsCharGroup</h3> <pre class="programlisting">const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> xmlIsCharGroup; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsCombiningGroup">Variable </a>xmlIsCombiningGroup</h3> <pre class="programlisting">const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> xmlIsCombiningGroup; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsDigitGroup">Variable </a>xmlIsDigitGroup</h3> <pre class="programlisting">const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> xmlIsDigitGroup; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsExtenderGroup">Variable </a>xmlIsExtenderGroup</h3> <pre class="programlisting">const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> xmlIsExtenderGroup; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsIdeographicGroup">Variable </a>xmlIsIdeographicGroup</h3> <pre class="programlisting">const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> xmlIsIdeographicGroup; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsPubidChar_tab">Variable </a>xmlIsPubidChar_tab</h3> <pre class="programlisting">const unsigned charxmlIsPubidChar_tab[256] xmlIsPubidChar_tab; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlCharInRange"></a>xmlCharInRange ()</h3> <pre class="programlisting">int xmlCharInRange (unsigned int val, <br> const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> * rptr)<br> </pre> <p>Does a binary search of the range table to determine if char is valid</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>val</tt></i>:</span></td> <td>character to be validated</td> </tr> <tr> <td><span class="term"><i><tt>rptr</tt></i>:</span></td> <td>pointer to range to be used to validate</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>true if character valid, false otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsBaseChar"></a>xmlIsBaseChar ()</h3> <pre class="programlisting">int xmlIsBaseChar (unsigned int ch)<br> </pre> <p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsBaseChar_ch">xmlIsBaseChar_ch</a> or <a href="libxml2-chvalid.html#xmlIsBaseCharQ">xmlIsBaseCharQ</a> instead</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ch</tt></i>:</span></td> <td>character to validate</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>true if argument valid, false otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsBlank"></a>xmlIsBlank ()</h3> <pre class="programlisting">int xmlIsBlank (unsigned int ch)<br> </pre> <p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsBlank_ch">xmlIsBlank_ch</a> or <a href="libxml2-chvalid.html#xmlIsBlankQ">xmlIsBlankQ</a> instead</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ch</tt></i>:</span></td> <td>character to validate</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>true if argument valid, false otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsChar"></a>xmlIsChar ()</h3> <pre class="programlisting">int xmlIsChar (unsigned int ch)<br> </pre> <p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsChar_ch">xmlIsChar_ch</a> or <a href="libxml2-chvalid.html#xmlIsCharQ">xmlIsCharQ</a> instead</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ch</tt></i>:</span></td> <td>character to validate</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>true if argument valid, false otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsCombining"></a>xmlIsCombining ()</h3> <pre class="programlisting">int xmlIsCombining (unsigned int ch)<br> </pre> <p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsCombiningQ">xmlIsCombiningQ</a> instead</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ch</tt></i>:</span></td> <td>character to validate</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>true if argument valid, false otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsDigit"></a>xmlIsDigit ()</h3> <pre class="programlisting">int xmlIsDigit (unsigned int ch)<br> </pre> <p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsDigit_ch">xmlIsDigit_ch</a> or <a href="libxml2-chvalid.html#xmlIsDigitQ">xmlIsDigitQ</a> instead</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ch</tt></i>:</span></td> <td>character to validate</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>true if argument valid, false otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsExtender"></a>xmlIsExtender ()</h3> <pre class="programlisting">int xmlIsExtender (unsigned int ch)<br> </pre> <p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsExtender_ch">xmlIsExtender_ch</a> or <a href="libxml2-chvalid.html#xmlIsExtenderQ">xmlIsExtenderQ</a> instead</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ch</tt></i>:</span></td> <td>character to validate</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>true if argument valid, false otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsIdeographic"></a>xmlIsIdeographic ()</h3> <pre class="programlisting">int xmlIsIdeographic (unsigned int ch)<br> </pre> <p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsIdeographicQ">xmlIsIdeographicQ</a> instead</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ch</tt></i>:</span></td> <td>character to validate</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>true if argument valid, false otherwise</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlIsPubidChar"></a>xmlIsPubidChar ()</h3> <pre class="programlisting">int xmlIsPubidChar (unsigned int ch)<br> </pre> <p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsPubidChar_ch">xmlIsPubidChar_ch</a> or <a href="libxml2-chvalid.html#xmlIsPubidCharQ">xmlIsPubidCharQ</a> instead</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ch</tt></i>:</span></td> <td>character to validate</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>true if argument valid, false otherwise</td> </tr> </tbody> </table></div> </div> <hr> </div> </div> </body> </html>