142 lines
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142 lines
9.6 KiB
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<title>Querying Character Sets (Guile Reference Manual)</title>
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<div class="subsubsection-level-extent" id="Querying-Character-Sets">
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Next: <a href="Character_002dSet-Algebra.html" accesskey="n" rel="next">Character-Set Algebra</a>, Previous: <a href="Creating-Character-Sets.html" accesskey="p" rel="prev">Creating Character Sets</a>, Up: <a href="Character-Sets.html" accesskey="u" rel="up">Character Sets</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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<h4 class="subsubsection" id="Querying-Character-Sets-1"><span>6.6.4.4 Querying Character Sets<a class="copiable-link" href="#Querying-Character-Sets-1"> ¶</a></span></h4>
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<p>Access the elements and other information of a character set with these
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procedures.
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</p>
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<dl class="first-deffn">
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<dt class="deffn" id="index-_0025char_002dset_002ddump"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">%char-set-dump</strong> <var class="def-var-arguments">cs</var><a class="copiable-link" href="#index-_0025char_002dset_002ddump"> ¶</a></span></dt>
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<dd><p>Returns an association list containing debugging information
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for <var class="var">cs</var>. The association list has the following entries.
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</p><dl class="table">
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<dt><code class="code">char-set</code></dt>
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<dd><p>The char-set itself
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</p></dd>
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<dt><code class="code">len</code></dt>
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<dd><p>The number of groups of contiguous code points the char-set
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contains
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</p></dd>
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<dt><code class="code">ranges</code></dt>
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<dd><p>A list of lists where each sublist is a range of code points
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and their associated characters
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</p></dd>
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</dl>
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<p>The return value of this function cannot be relied upon to be
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consistent between versions of Guile and should not be used in code.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-char_002dset_002dsize"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">char-set-size</strong> <var class="def-var-arguments">cs</var><a class="copiable-link" href="#index-char_002dset_002dsize"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fchar_005fset_005fsize"><span class="category-def">C Function: </span><span><strong class="def-name">scm_char_set_size</strong> <var class="def-var-arguments">(cs)</var><a class="copiable-link" href="#index-scm_005fchar_005fset_005fsize"> ¶</a></span></dt>
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<dd><p>Return the number of elements in character set <var class="var">cs</var>.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-char_002dset_002dcount"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">char-set-count</strong> <var class="def-var-arguments">pred cs</var><a class="copiable-link" href="#index-char_002dset_002dcount"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fchar_005fset_005fcount"><span class="category-def">C Function: </span><span><strong class="def-name">scm_char_set_count</strong> <var class="def-var-arguments">(pred, cs)</var><a class="copiable-link" href="#index-scm_005fchar_005fset_005fcount"> ¶</a></span></dt>
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<dd><p>Return the number of the elements int the character set
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<var class="var">cs</var> which satisfy the predicate <var class="var">pred</var>.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-char_002dset_002d_003elist"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">char-set->list</strong> <var class="def-var-arguments">cs</var><a class="copiable-link" href="#index-char_002dset_002d_003elist"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fchar_005fset_005fto_005flist"><span class="category-def">C Function: </span><span><strong class="def-name">scm_char_set_to_list</strong> <var class="def-var-arguments">(cs)</var><a class="copiable-link" href="#index-scm_005fchar_005fset_005fto_005flist"> ¶</a></span></dt>
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<dd><p>Return a list containing the elements of the character set
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<var class="var">cs</var>.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-char_002dset_002d_003estring"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">char-set->string</strong> <var class="def-var-arguments">cs</var><a class="copiable-link" href="#index-char_002dset_002d_003estring"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fchar_005fset_005fto_005fstring"><span class="category-def">C Function: </span><span><strong class="def-name">scm_char_set_to_string</strong> <var class="def-var-arguments">(cs)</var><a class="copiable-link" href="#index-scm_005fchar_005fset_005fto_005fstring"> ¶</a></span></dt>
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<dd><p>Return a string containing the elements of the character set
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<var class="var">cs</var>. The order in which the characters are placed in the
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string is not defined.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-char_002dset_002dcontains_003f"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">char-set-contains?</strong> <var class="def-var-arguments">cs ch</var><a class="copiable-link" href="#index-char_002dset_002dcontains_003f"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fchar_005fset_005fcontains_005fp"><span class="category-def">C Function: </span><span><strong class="def-name">scm_char_set_contains_p</strong> <var class="def-var-arguments">(cs, ch)</var><a class="copiable-link" href="#index-scm_005fchar_005fset_005fcontains_005fp"> ¶</a></span></dt>
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<dd><p>Return <code class="code">#t</code> if the character <var class="var">ch</var> is contained in the
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character set <var class="var">cs</var>, or <code class="code">#f</code> otherwise.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-char_002dset_002devery"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">char-set-every</strong> <var class="def-var-arguments">pred cs</var><a class="copiable-link" href="#index-char_002dset_002devery"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fchar_005fset_005fevery"><span class="category-def">C Function: </span><span><strong class="def-name">scm_char_set_every</strong> <var class="def-var-arguments">(pred, cs)</var><a class="copiable-link" href="#index-scm_005fchar_005fset_005fevery"> ¶</a></span></dt>
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<dd><p>Return a true value if every character in the character set
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<var class="var">cs</var> satisfies the predicate <var class="var">pred</var>.
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</p></dd></dl>
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<dl class="first-deffn">
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<dt class="deffn" id="index-char_002dset_002dany"><span class="category-def">Scheme Procedure: </span><span><strong class="def-name">char-set-any</strong> <var class="def-var-arguments">pred cs</var><a class="copiable-link" href="#index-char_002dset_002dany"> ¶</a></span></dt>
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<dt class="deffnx def-cmd-deffn" id="index-scm_005fchar_005fset_005fany"><span class="category-def">C Function: </span><span><strong class="def-name">scm_char_set_any</strong> <var class="def-var-arguments">(pred, cs)</var><a class="copiable-link" href="#index-scm_005fchar_005fset_005fany"> ¶</a></span></dt>
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<dd><p>Return a true value if any character in the character set
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<var class="var">cs</var> satisfies the predicate <var class="var">pred</var>.
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</p></dd></dl>
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</div>
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<hr>
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<p>
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Next: <a href="Character_002dSet-Algebra.html">Character-Set Algebra</a>, Previous: <a href="Creating-Character-Sets.html">Creating Character Sets</a>, Up: <a href="Character-Sets.html">Character Sets</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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