glib-unicode-manipulation.html

最新gtk中文资料集

<p>
Checks whether <em class="parameter"><code>ch</code></em> is a valid Unicode character. Some possible
integer values of <em class="parameter"><code>ch</code></em> will not be valid. 0 is considered a valid
character, though it's normally a string terminator.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>ch</code></em>&#160;:</span></p></td>
<td> a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>ch</code></em> is a valid Unicode character
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3000645"></a><h3>
<a name="g-unichar-isalnum"></a>g_unichar_isalnum ()</h3>
<a class="indexterm" name="id3000659"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a>            g_unichar_isalnum                   (<a class="link" href="glib-Unicode-Manipulation.html#gunichar">gunichar</a> c);</pre>
<p>
Determines whether a character is alphanumeric.
Given some UTF-8 text, obtain a character value
with <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char"><code class="function">g_utf8_get_char()</code></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em>&#160;:</span></p></td>
<td> a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is an alphanumeric character
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3000747"></a><h3>
<a name="g-unichar-isalpha"></a>g_unichar_isalpha ()</h3>
<a class="indexterm" name="id3000760"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a>            g_unichar_isalpha                   (<a class="link" href="glib-Unicode-Manipulation.html#gunichar">gunichar</a> c);</pre>
<p>
Determines whether a character is alphabetic (i.e. a letter).
Given some UTF-8 text, obtain a character value with
<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char"><code class="function">g_utf8_get_char()</code></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em>&#160;:</span></p></td>
<td> a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is an alphabetic character
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3000848"></a><h3>
<a name="g-unichar-iscntrl"></a>g_unichar_iscntrl ()</h3>
<a class="indexterm" name="id3000862"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a>            g_unichar_iscntrl                   (<a class="link" href="glib-Unicode-Manipulation.html#gunichar">gunichar</a> c);</pre>
<p>
Determines whether a character is a control character.
Given some UTF-8 text, obtain a character value with
<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char"><code class="function">g_utf8_get_char()</code></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em>&#160;:</span></p></td>
<td> a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is a control character
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3000950"></a><h3>
<a name="g-unichar-isdefined"></a>g_unichar_isdefined ()</h3>
<a class="indexterm" name="id3000963"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a>            g_unichar_isdefined                 (<a class="link" href="glib-Unicode-Manipulation.html#gunichar">gunichar</a> c);</pre>
<p>
Determines if a given character is assigned in the Unicode
standard.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em>&#160;:</span></p></td>
<td> a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the character has an assigned value
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3001034"></a><h3>
<a name="g-unichar-isdigit"></a>g_unichar_isdigit ()</h3>
<a class="indexterm" name="id3001048"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a>            g_unichar_isdigit                   (<a class="link" href="glib-Unicode-Manipulation.html#gunichar">gunichar</a> c);</pre>
<p>
Determines whether a character is numeric (i.e. a digit).  This
covers ASCII 0-9 and also digits in other languages/scripts.  Given
some UTF-8 text, obtain a character value with <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char"><code class="function">g_utf8_get_char()</code></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em>&#160;:</span></p></td>
<td> a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is a digit
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3001137"></a><h3>
<a name="g-unichar-isgraph"></a>g_unichar_isgraph ()</h3>
<a class="indexterm" name="id3001150"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a>            g_unichar_isgraph                   (<a class="link" href="glib-Unicode-Manipulation.html#gunichar">gunichar</a> c);</pre>
<p>
Determines whether a character is printable and not a space
(returns <a class="link" href="glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> for control characters, format characters, and
spaces). <a class="link" href="glib-Unicode-Manipulation.html#g-unichar-isprint"><code class="function">g_unichar_isprint()</code></a> is similar, but returns <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> for
spaces. Given some UTF-8 text, obtain a character value with
<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char"><code class="function">g_utf8_get_char()</code></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em>&#160;:</span></p></td>
<td> a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is printable unless it's a space
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3001271"></a><h3>
<a name="g-unichar-islower"></a>g_unichar_islower ()</h3>
<a class="indexterm" name="id3001284"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a>            g_unichar_islower                   (<a class="link" href="glib-Unicode-Manipulation.html#gunichar">gunichar</a> c);</pre>
<p>
Determines whether a character is a lowercase letter.
Given some UTF-8 text, obtain a character value with
<a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char"><code class="function">g_utf8_get_char()</code></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>c</code></em>&#160;:</span></p></td>
<td> a Unicode character
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> <a class="link" href="glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>c</code></em> is a lowercase letter
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3001372"></a><h3>
<a name="g-unichar-ismark"></a>g_unichar_ismark ()</h3>
<a class="indexterm" name="id3001387"></a><pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gboolean">gboolean</a>            g_unichar_ismark                    (<a class="link" href="glib-Unicode-Manipulation.html#gunichar">gunichar</a> c);</pre>
<p>
Determines whether a character is a mark (non-spacing mark,
combining mark, or enclosing mark in Unicode speak).
Given some UTF-8 text, obtain a character value
with <a class="link" href="glib-Unicode-Manipulation.html#g-utf8-get-char"><code class="function">g_utf8_get_char()</code></a>.