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Diffstat (limited to 'doc/libunistring_10.html')
| -rw-r--r-- | doc/libunistring_10.html | 76 |
1 files changed, 59 insertions, 17 deletions
diff --git a/doc/libunistring_10.html b/doc/libunistring_10.html index 394ea19..a0f8b4b 100644 --- a/doc/libunistring_10.html +++ b/doc/libunistring_10.html @@ -1,6 +1,6 @@ <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html401/loose.dtd"> <html> -<!-- Created on December, 2 2016 by texi2html 1.78a --> +<!-- Created on November, 30 2017 by texi2html 1.78a --> <!-- Written by: Lionel Cons <Lionel.Cons@cern.ch> (original author) Karl Berry <karl@freefriends.org> @@ -104,6 +104,11 @@ clusters in a string. <dd><p>Returns the start of the next grapheme cluster following <var>s</var>, or <var>end</var> if no grapheme cluster break is encountered before it. Returns NULL if and only if <code><var>s</var> == <var>end</var></code>. +</p> +<p>Note that these functions do not handle the case when a character +outside of the range between <var>s</var> and <var>end</var> is needed to +determine the boundary. Use <code>_grapheme_breaks</code> functions for such +cases. </p></dd></dl> <dl> @@ -119,6 +124,11 @@ Returns NULL if and only if <code><var>s</var> == <var>end</var></code>. <dd><p>Returns the start of the grapheme cluster preceding <var>s</var>, or <var>start</var> if no grapheme cluster break is encountered before it. Returns NULL if and only if <code><var>s</var> == <var>start</var></code>. +</p> +<p>Note that these functions do not handle the case when a character +outside of the range between <var>start</var> and <var>s</var> is needed to +determine the boundary. Use <code>_grapheme_breaks</code> functions for such +cases. </p></dd></dl> <p>The following functions determine all of the grapheme cluster @@ -137,8 +147,11 @@ boundaries in a string. <dt><u>Function:</u> void <b>ulc_grapheme_breaks</b><i> (const char *<var>s</var>, size_t <var>n</var>, char *<var>p</var>)</i> <a name="IDX721"></a> </dt> +<dt><u>Function:</u> void <b>uc_grapheme_breaks</b><i> (const ucs_t *<var>s</var>, size_t <var>n</var>, char *<var>p</var>)</i> +<a name="IDX722"></a> +</dt> <dd><p>Determines the grapheme cluster break points in <var>s</var>, an array of -<var>n</var> units, and stores the result at <code><var>p</var>[0..<var>n</var>-1]</code>. +<var>n</var> units, and stores the result at <code><var>p</var>[0..<var>nx</var>-1]</code>. </p><dl compact="compact"> <dt> <code><var>p</var>[i] = 1</code></dt> <dd><p>means that there is a grapheme cluster boundary between @@ -151,6 +164,13 @@ same grapheme cluster. </dl> <p><code><var>p</var>[0]</code> is always set to 1, because there is always a grapheme cluster break at start of text. +</p> +<p>In addition to the above variants for UTF-8, UTF-16, and UTF-32 strings, +<code><unigbrk.h></code> provides another variant: <code>uc_grapheme_breaks</code>. +</p> +<p>This is similar to <code>u32_grapheme_breaks</code>, but it accepts any +characters which may not be represented in UTF-32, such as control +characters. </p></dd></dl> <hr size="6"> @@ -169,40 +189,58 @@ property. More values may be added in the future. </p> <dl> <dt><u>Constant:</u> int <b>GBP_OTHER</b> -<a name="IDX722"></a> +<a name="IDX723"></a> </dt> <dt><u>Constant:</u> int <b>GBP_CR</b> -<a name="IDX723"></a> +<a name="IDX724"></a> </dt> <dt><u>Constant:</u> int <b>GBP_LF</b> -<a name="IDX724"></a> +<a name="IDX725"></a> </dt> <dt><u>Constant:</u> int <b>GBP_CONTROL</b> -<a name="IDX725"></a> +<a name="IDX726"></a> </dt> <dt><u>Constant:</u> int <b>GBP_EXTEND</b> -<a name="IDX726"></a> +<a name="IDX727"></a> </dt> <dt><u>Constant:</u> int <b>GBP_PREPEND</b> -<a name="IDX727"></a> +<a name="IDX728"></a> </dt> <dt><u>Constant:</u> int <b>GBP_SPACINGMARK</b> -<a name="IDX728"></a> +<a name="IDX729"></a> </dt> <dt><u>Constant:</u> int <b>GBP_L</b> -<a name="IDX729"></a> +<a name="IDX730"></a> </dt> <dt><u>Constant:</u> int <b>GBP_V</b> -<a name="IDX730"></a> +<a name="IDX731"></a> </dt> <dt><u>Constant:</u> int <b>GBP_T</b> -<a name="IDX731"></a> +<a name="IDX732"></a> </dt> <dt><u>Constant:</u> int <b>GBP_LV</b> -<a name="IDX732"></a> +<a name="IDX733"></a> </dt> <dt><u>Constant:</u> int <b>GBP_LVT</b> -<a name="IDX733"></a> +<a name="IDX734"></a> +</dt> +<dt><u>Constant:</u> int <b>GBP_RI</b> +<a name="IDX735"></a> +</dt> +<dt><u>Constant:</u> int <b>GBP_ZWJ</b> +<a name="IDX736"></a> +</dt> +<dt><u>Constant:</u> int <b>GBP_EB</b> +<a name="IDX737"></a> +</dt> +<dt><u>Constant:</u> int <b>GBP_EM</b> +<a name="IDX738"></a> +</dt> +<dt><u>Constant:</u> int <b>GBP_GAZ</b> +<a name="IDX739"></a> +</dt> +<dt><u>Constant:</u> int <b>GBP_EBG</b> +<a name="IDX740"></a> </dt> </dl> @@ -211,7 +249,7 @@ character. </p> <dl> <dt><u>Function:</u> int <b>uc_graphemeclusterbreak_property</b><i> (ucs4_t <var>uc</var>)</i> -<a name="IDX734"></a> +<a name="IDX741"></a> </dt> <dd><p>Returns the Grapheme_Cluster_Break property of a Unicode character. </p></dd></dl> @@ -222,7 +260,7 @@ the higher-level functions in the previous section are directly based. </p> <dl> <dt><u>Function:</u> bool <b>uc_is_grapheme_break</b><i> (ucs4_t <var>a</var>, ucs4_t <var>b</var>)</i> -<a name="IDX735"></a> +<a name="IDX742"></a> </dt> <dd><p>Returns true if there is an grapheme cluster boundary between Unicode characters <var>a</var> and <var>b</var>. @@ -234,6 +272,10 @@ of text, respectively. <p>This implements the extended (not legacy) grapheme cluster rules described in the Unicode standard, because the standard says that they are preferred. +</p> +<p>Note that this function do not handle the case when three ore more +consecutive characters are needed to determine the boundary. Use +<code>uc_grapheme_breaks</code> for such cases. </p></dd></dl> <hr size="6"> <table cellpadding="1" cellspacing="1" border="0"> @@ -251,7 +293,7 @@ are preferred. </tr></table> <p> <font size="-1"> - This document was generated by <em>Daiki Ueno</em> on <em>December, 2 2016</em> using <a href="http://www.nongnu.org/texi2html/"><em>texi2html 1.78a</em></a>. + This document was generated by <em>Daiki Ueno</em> on <em>November, 30 2017</em> using <a href="http://www.nongnu.org/texi2html/"><em>texi2html 1.78a</em></a>. </font> <br> |