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diff --git a/libs/spirit/doc/html/spirit/karma/reference/directive/alignment.html b/libs/spirit/doc/html/spirit/karma/reference/directive/alignment.html new file mode 100755 index 0000000000..bc4efe983c --- /dev/null +++ b/libs/spirit/doc/html/spirit/karma/reference/directive/alignment.html @@ -0,0 +1,700 @@ +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> +<title>Alignment Generator Directives (left_align[], center[], right_align[])</title> +<link rel="stylesheet" href="../../../../../../../../doc/src/boostbook.css" type="text/css"> +<meta name="generator" content="DocBook XSL Stylesheets V1.76.1"> +<link rel="home" href="../../../../index.html" title="Spirit 2.5.2"> +<link rel="up" href="../directive.html" title="Generator Directives"> +<link rel="prev" href="../directive.html" title="Generator Directives"> +<link rel="next" href="repeat.html" title="Repetition Generator Directive (repeat[])"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<table cellpadding="2" width="100%"><tr> +<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../../boost.png"></td> +<td align="center"><a href="../../../../../../../../index.html">Home</a></td> +<td align="center"><a href="../../../../../../../../libs/libraries.htm">Libraries</a></td> +<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> +<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> +<td align="center"><a href="../../../../../../../../more/index.htm">More</a></td> +</tr></table> +<hr> +<div class="spirit-nav"> +<a accesskey="p" href="../directive.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../directive.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="repeat.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> +</div> +<div class="section"> +<div class="titlepage"><div><div><h5 class="title"> +<a name="spirit.karma.reference.directive.alignment"></a><a class="link" href="alignment.html" title="Alignment Generator Directives (left_align[], center[], right_align[])">Alignment + Generator Directives (<code class="computeroutput"><span class="identifier">left_align</span><span class="special">[]</span></code>, <code class="computeroutput"><span class="identifier">center</span><span class="special">[]</span></code>, <code class="computeroutput"><span class="identifier">right_align</span><span class="special">[]</span></code>)</a> +</h5></div></div></div> +<h6> +<a name="spirit.karma.reference.directive.alignment.h0"></a> + <span><a name="spirit.karma.reference.directive.alignment.description"></a></span><a class="link" href="alignment.html#spirit.karma.reference.directive.alignment.description">Description</a> + </h6> +<p> + The alignment directives allow to left align, right align or center output + emitted by other generators into columns of a specified width while using + an arbitrary generator to create the padding. + </p> +<h6> +<a name="spirit.karma.reference.directive.alignment.h1"></a> + <span><a name="spirit.karma.reference.directive.alignment.header"></a></span><a class="link" href="alignment.html#spirit.karma.reference.directive.alignment.header">Header</a> + </h6> +<p> + For the <code class="computeroutput"><span class="identifier">left_align</span><span class="special">[]</span></code> + directive: + </p> +<pre class="programlisting"><span class="comment">// forwards to <boost/spirit/home/karma/directive/left_alignment.hpp></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">karma_left_alignment</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +</pre> +<p> + For the <code class="computeroutput"><span class="identifier">center</span><span class="special">[]</span></code> + directive: + </p> +<pre class="programlisting"><span class="comment">// forwards to <boost/spirit/home/karma/directive/center_alignment.hpp></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">karma_center_alignment</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +</pre> +<p> + For the <code class="computeroutput"><span class="identifier">right_align</span><span class="special">[]</span></code> + directive: + </p> +<pre class="programlisting"><span class="comment">// forwards to <boost/spirit/home/karma/directive/right_alignment.hpp></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">karma_right_alignment</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +</pre> +<p> + Also, see <a class="link" href="../../../structure/include.html" title="Include">Include Structure</a>. + </p> +<h6> +<a name="spirit.karma.reference.directive.alignment.h2"></a> + <span><a name="spirit.karma.reference.directive.alignment.namespace"></a></span><a class="link" href="alignment.html#spirit.karma.reference.directive.alignment.namespace">Namespace</a> + </h6> +<div class="informaltable"><table class="table"> +<colgroup><col></colgroup> +<thead><tr><th> + <p> + Name + </p> + </th></tr></thead> +<tbody> +<tr><td> + <p> + <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">left_align</span> <span class="comment">// + alias: boost::spirit::karma::left_align</span></code> + </p> + </td></tr> +<tr><td> + <p> + <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">center</span> <span class="comment">// + alias: boost::spirit::karma::center</span></code> + </p> + </td></tr> +<tr><td> + <p> + <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">right_align</span> <span class="comment">// + alias: boost::spirit::karma::right_align</span></code> + </p> + </td></tr> +</tbody> +</table></div> +<h6> +<a name="spirit.karma.reference.directive.alignment.h3"></a> + <span><a name="spirit.karma.reference.directive.alignment.model_of"></a></span><a class="link" href="alignment.html#spirit.karma.reference.directive.alignment.model_of">Model of</a> + </h6> +<div class="blockquote"><blockquote class="blockquote"><p> + <a class="link" href="../generator_concepts/unarygenerator.html" title="UnaryGenerator"><code class="computeroutput"><span class="identifier">UnaryGenerator</span></code></a> + </p></blockquote></div> +<div class="variablelist"> +<p class="title"><b>Notation</b></p> +<dl> +<dt><span class="term"><code class="computeroutput"><span class="identifier">a</span></code></span></dt> +<dd><p> + A generator object + </p></dd> +<dt><span class="term"><code class="computeroutput"><span class="identifier">pad</span></code></span></dt> +<dd><p> + A generator object, or a <a class="link" href="../basics.html#spirit.karma.reference.basics.lazy_argument">Lazy + Argument</a> that evaluates to a generator object + </p></dd> +<dt><span class="term"><code class="computeroutput"><span class="identifier">A</span></code>, <code class="computeroutput"><span class="identifier">Pad</span></code></span></dt> +<dd><p> + Attribute types of the generators <code class="computeroutput"><span class="identifier">a</span></code> + and <code class="computeroutput"><span class="identifier">pad</span></code> + </p></dd> +<dt><span class="term"><code class="computeroutput"><span class="identifier">width</span></code></span></dt> +<dd><p> + Numeric literal, any unsigned integer value, or a <a class="link" href="../basics.html#spirit.karma.reference.basics.lazy_argument">Lazy + Argument</a> that evaluates to an unsigned integer value + </p></dd> +</dl> +</div> +<h6> +<a name="spirit.karma.reference.directive.alignment.h4"></a> + <span><a name="spirit.karma.reference.directive.alignment.expression_semantics"></a></span><a class="link" href="alignment.html#spirit.karma.reference.directive.alignment.expression_semantics">Expression + Semantics</a> + </h6> +<p> + Semantics of an expression is defined only where it differs from, or + is not defined in <a class="link" href="../generator_concepts/unarygenerator.html" title="UnaryGenerator"><code class="computeroutput"><span class="identifier">UnaryGenerator</span></code></a>. + </p> +<div class="informaltable"><table class="table"> +<colgroup> +<col> +<col> +</colgroup> +<thead><tr> +<th> + <p> + Expression + </p> + </th> +<th> + <p> + Semantics + </p> + </th> +</tr></thead> +<tbody> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">left_align</span><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Generate <code class="computeroutput"><span class="identifier">a</span></code> + left aligned in a column of width as defined by the preprocessor + constant <code class="computeroutput"><span class="identifier">BOOST_KARMA_DEFAULT_FIELD_LENGTH</span></code> + (default: 10), while using <code class="computeroutput"><span class="identifier">space</span></code> + to emit the necessary padding. This generator succeeds as long + as its embedded generator <code class="computeroutput"><span class="identifier">a</span></code> + does not fail (unless the underlying output stream reports + an error). + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">left_align</span><span class="special">(</span><span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Generate <code class="computeroutput"><span class="identifier">a</span></code> + left aligned in a column of the given <code class="computeroutput"><span class="identifier">width</span></code>, + while using <code class="computeroutput"><span class="identifier">space</span></code> + to emit the necessary padding. This generator succeeds as long + as its embedded generator <code class="computeroutput"><span class="identifier">a</span></code> + does not fail (unless the underlying output stream reports + an error). + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">left_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Generate <code class="computeroutput"><span class="identifier">a</span></code> + left aligned in a column of width as defined by the preprocessor + constant <code class="computeroutput"><span class="identifier">BOOST_KARMA_DEFAULT_FIELD_LENGTH</span></code> + (default: 10), while using the generator <code class="computeroutput"><span class="identifier">pad</span></code> + to emit the necessary padding. This generator succeeds as long + as its embedded and padding generators <code class="computeroutput"><span class="identifier">a</span></code> + and <code class="computeroutput"><span class="identifier">pad</span></code> do + not fail (except if the underlying output stream reports an + error). + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">left_align</span><span class="special">(</span><span class="identifier">width</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Generate <code class="computeroutput"><span class="identifier">a</span></code> + left aligned in a column of the given <code class="computeroutput"><span class="identifier">width</span></code>, + while using the generator <code class="computeroutput"><span class="identifier">pad</span></code> + to emit the necessary padding. This generator succeeds as long + as its embedded and padding generators <code class="computeroutput"><span class="identifier">a</span></code> + and <code class="computeroutput"><span class="identifier">pad</span></code> do + not fail (unless the underlying output stream reports an error). + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">center</span><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Generate <code class="computeroutput"><span class="identifier">a</span></code> + centered in a column of width as defined by the preprocessor + constant <code class="computeroutput"><span class="identifier">BOOST_KARMA_DEFAULT_FIELD_LENGTH</span></code> + (default: 10), while using <code class="computeroutput"><span class="identifier">space</span></code> + to emit the necessary padding. This generator succeeds as long + as its embedded generator <code class="computeroutput"><span class="identifier">a</span></code> + does not fail (unless the underlying output stream reports + an error). + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">center</span><span class="special">(</span><span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Generate <code class="computeroutput"><span class="identifier">a</span></code> + centered in a column of the given <code class="computeroutput"><span class="identifier">width</span></code>, + while using <code class="computeroutput"><span class="identifier">space</span></code> + to emit the necessary padding. This generator succeeds as long + as its embedded generator <code class="computeroutput"><span class="identifier">a</span></code> + does not fail (unless the underlying output stream reports + an error). + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">center</span><span class="special">(</span><span class="identifier">pad</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Generate <code class="computeroutput"><span class="identifier">a</span></code> + centered in a column of width as defined by the preprocessor + constant <code class="computeroutput"><span class="identifier">BOOST_KARMA_DEFAULT_FIELD_LENGTH</span></code> + (default: 10), while using the generator <code class="computeroutput"><span class="identifier">pad</span></code> + to emit the necessary padding. This generator succeeds as long + as its embedded and padding generators <code class="computeroutput"><span class="identifier">a</span></code> + and <code class="computeroutput"><span class="identifier">pad</span></code> do + not fail (except if the underlying output stream reports an + error). + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">center</span><span class="special">(</span><span class="identifier">width</span><span class="special">,</span> + <span class="identifier">pad</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Generate <code class="computeroutput"><span class="identifier">a</span></code> + centered in a column of the given <code class="computeroutput"><span class="identifier">width</span></code>, + while using the generator <code class="computeroutput"><span class="identifier">pad</span></code> + to emit the necessary padding. This generator succeeds as long + as its embedded and padding generators <code class="computeroutput"><span class="identifier">a</span></code> + and <code class="computeroutput"><span class="identifier">pad</span></code> do + not fail (unless the underlying output stream reports an error). + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">right_align</span><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Generate <code class="computeroutput"><span class="identifier">a</span></code> + right aligned in a column of width as defined by the preprocessor + constant <code class="computeroutput"><span class="identifier">BOOST_KARMA_DEFAULT_FIELD_LENGTH</span></code> + (default: 10), while using <code class="computeroutput"><span class="identifier">space</span></code> + to emit the necessary padding. This generator succeeds as long + as its embedded generator <code class="computeroutput"><span class="identifier">a</span></code> + does not fail (unless the underlying output stream reports + an error). + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">right_align</span><span class="special">(</span><span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Generate <code class="computeroutput"><span class="identifier">a</span></code> + right aligned in a column of the given <code class="computeroutput"><span class="identifier">width</span></code>, + while using <code class="computeroutput"><span class="identifier">space</span></code> + to emit the necessary padding. This generator succeeds as long + as its embedded generator <code class="computeroutput"><span class="identifier">a</span></code> + does not fail (unless the underlying output stream reports + an error). + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">right_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Generate <code class="computeroutput"><span class="identifier">a</span></code> + right aligned in a column of width as defined by the preprocessor + constant <code class="computeroutput"><span class="identifier">BOOST_KARMA_DEFAULT_FIELD_LENGTH</span></code> + (default: 10), while using the generator <code class="computeroutput"><span class="identifier">pad</span></code> + to emit the necessary padding. This generator succeeds as long + as its embedded and padding generators <code class="computeroutput"><span class="identifier">a</span></code> + and <code class="computeroutput"><span class="identifier">pad</span></code> do + not fail (except if the underlying output stream reports an + error). + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">right_align</span><span class="special">(</span><span class="identifier">width</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Generate <code class="computeroutput"><span class="identifier">a</span></code> + right aligned in a column of the given <code class="computeroutput"><span class="identifier">width</span></code>, + while using the generator <code class="computeroutput"><span class="identifier">pad</span></code> + to emit the necessary padding. This generator succeeds as long + as its embedded and padding generators <code class="computeroutput"><span class="identifier">a</span></code> + and <code class="computeroutput"><span class="identifier">pad</span></code> do + not fail (unless the underlying output stream reports an error). + </p> + </td> +</tr> +</tbody> +</table></div> +<div class="note"><table border="0" summary="Note"> +<tr> +<td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../images/note.png"></td> +<th align="left">Note</th> +</tr> +<tr><td align="left" valign="top"> +<p> + None of the generator directives listed above limits the emitted output + to the respective column width. If the emitted output is longer than + the specified (or implied) column width, the generated output overruns + the column to the right. + </p> +<p> + If the output needs to be limited to a specified column width, use + the <code class="computeroutput"><span class="identifier">maxwidth</span><span class="special">[]</span></code> + directive, for instance: +</p> +<pre class="programlisting"><span class="identifier">maxwidth</span><span class="special">(</span><span class="number">8</span><span class="special">)[</span><span class="identifier">right_align</span><span class="special">(</span><span class="number">12</span><span class="special">)[</span><span class="string">"1234567890"</span><span class="special">]]</span> +</pre> +<p> + which will output (without the quotes): +</p> +<pre class="programlisting"><span class="string">" 123456"</span></pre> +<p> + </p> +</td></tr> +</table></div> +<h6> +<a name="spirit.karma.reference.directive.alignment.h5"></a> + <span><a name="spirit.karma.reference.directive.alignment.attributes"></a></span><a class="link" href="alignment.html#spirit.karma.reference.directive.alignment.attributes">Attributes</a> + </h6> +<p> + See <a class="link" href="../../quick_reference/compound_attribute_rules.html#spirit.karma.quick_reference.compound_attribute_rules.notation">Compound + Attribute Notation</a>. + </p> +<div class="informaltable"><table class="table"> +<colgroup> +<col> +<col> +</colgroup> +<thead><tr> +<th> + <p> + Expression + </p> + </th> +<th> + <p> + Attribute + </p> + </th> +</tr></thead> +<tbody> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">left_align</span><span class="special">[]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span> <span class="special">--></span> <span class="identifier">left_align</span><span class="special">[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">A</span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span> <span class="special">--></span> <span class="identifier">left_align</span><span class="special">[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">left_align</span><span class="special">(</span><span class="identifier">width</span><span class="special">)[]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span> <span class="special">--></span> <span class="identifier">left_align</span><span class="special">(</span><span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">A</span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span> <span class="special">--></span> <span class="identifier">left_align</span><span class="special">(</span><span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">left_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">)[]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">:</span> <span class="identifier">Pad</span> <span class="special">--></span> <span class="identifier">left_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">A</span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">:</span> <span class="identifier">Pad</span> <span class="special">--></span> <span class="identifier">left_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">left_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">,</span> <span class="identifier">width</span><span class="special">)[]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">:</span> <span class="identifier">Pad</span> <span class="special">--></span> <span class="identifier">left_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">,</span> <span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">A</span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">:</span> <span class="identifier">Pad</span> <span class="special">--></span> <span class="identifier">left_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">,</span> <span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">center</span><span class="special">[]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span> <span class="special">--></span> <span class="identifier">center</span><span class="special">[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">A</span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span> <span class="special">--></span> <span class="identifier">center</span><span class="special">[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">center</span><span class="special">(</span><span class="identifier">width</span><span class="special">)[]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span> <span class="special">--></span> <span class="identifier">center</span><span class="special">(</span><span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">A</span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span> <span class="special">--></span> <span class="identifier">center</span><span class="special">(</span><span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">center</span><span class="special">(</span><span class="identifier">pad</span><span class="special">)[]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">:</span> <span class="identifier">Pad</span> <span class="special">--></span> <span class="identifier">center</span><span class="special">(</span><span class="identifier">pad</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">A</span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">:</span> <span class="identifier">Pad</span> <span class="special">--></span> <span class="identifier">center</span><span class="special">(</span><span class="identifier">pad</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">center</span><span class="special">(</span><span class="identifier">pad</span><span class="special">,</span> + <span class="identifier">width</span><span class="special">)[]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">:</span> <span class="identifier">Pad</span> <span class="special">--></span> <span class="identifier">center</span><span class="special">(</span><span class="identifier">pad</span><span class="special">,</span> <span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">A</span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">:</span> <span class="identifier">Pad</span> <span class="special">--></span> <span class="identifier">center</span><span class="special">(</span><span class="identifier">pad</span><span class="special">,</span> <span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">right_align</span><span class="special">[]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span> <span class="special">--></span> <span class="identifier">right_align</span><span class="special">[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">A</span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span> <span class="special">--></span> <span class="identifier">right_align</span><span class="special">[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">right_align</span><span class="special">(</span><span class="identifier">width</span><span class="special">)[]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span> <span class="special">--></span> <span class="identifier">right_align</span><span class="special">(</span><span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">A</span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span> <span class="special">--></span> <span class="identifier">right_align</span><span class="special">(</span><span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">right_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">)[]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">:</span> <span class="identifier">Pad</span> <span class="special">--></span> <span class="identifier">right_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">A</span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">:</span> <span class="identifier">Pad</span> <span class="special">--></span> <span class="identifier">right_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">right_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">,</span> <span class="identifier">width</span><span class="special">)[]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">:</span> <span class="identifier">Pad</span> <span class="special">--></span> <span class="identifier">right_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">,</span> <span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">A</span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span><span class="special">,</span> <span class="identifier">pad</span><span class="special">:</span> <span class="identifier">Pad</span> <span class="special">--></span> <span class="identifier">right_align</span><span class="special">(</span><span class="identifier">pad</span><span class="special">,</span> <span class="identifier">width</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +</tbody> +</table></div> +<h6> +<a name="spirit.karma.reference.directive.alignment.h6"></a> + <span><a name="spirit.karma.reference.directive.alignment.complexity"></a></span><a class="link" href="alignment.html#spirit.karma.reference.directive.alignment.complexity">Complexity</a> + </h6> +<div class="blockquote"><blockquote class="blockquote"><p> + The overall complexity of an alignment generator directive is defined + by the complexity of its embedded and padding generator. The complexity + of the left alignment directive generator itself is O(1). The complexity + of the center and right alignment directive generators is O(N), where + <code class="computeroutput"><span class="identifier">N</span></code> is the number of + characters emitted by the embedded and padding generators. + </p></blockquote></div> +<h6> +<a name="spirit.karma.reference.directive.alignment.h7"></a> + <span><a name="spirit.karma.reference.directive.alignment.example"></a></span><a class="link" href="alignment.html#spirit.karma.reference.directive.alignment.example">Example</a> + </h6> +<div class="note"><table border="0" summary="Note"> +<tr> +<td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../images/note.png"></td> +<th align="left">Note</th> +</tr> +<tr><td align="left" valign="top"><p> + The test harness for the example(s) below is presented in the <a class="link" href="../basics.html#spirit.karma.reference.basics.examples">Basics Examples</a> + section. + </p></td></tr> +</table></div> +<p> + Some includes: + </p> +<p> +</p> +<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">karma</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">support_utree</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">phoenix_core</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">phoenix_operator</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">std_pair</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">string</span><span class="special">></span> +</pre> +<p> + </p> +<p> + Some using declarations: + </p> +<p> +</p> +<pre class="programlisting"><span class="keyword">using</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">karma</span><span class="special">::</span><span class="identifier">double_</span><span class="special">;</span> +<span class="keyword">using</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">karma</span><span class="special">::</span><span class="identifier">left_align</span><span class="special">;</span> +<span class="keyword">using</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">karma</span><span class="special">::</span><span class="identifier">center</span><span class="special">;</span> +<span class="keyword">using</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">karma</span><span class="special">::</span><span class="identifier">right_align</span><span class="special">;</span> +</pre> +<p> + </p> +<p> + Basic usage of the alignment generators: + </p> +<p> +</p> +<pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special"><</span><span class="keyword">double</span><span class="special">,</span> <span class="keyword">double</span><span class="special">></span> <span class="identifier">p</span> <span class="special">(</span><span class="number">1.0</span><span class="special">,</span> <span class="number">2.0</span><span class="special">);</span> +<span class="identifier">test_generator_attr</span><span class="special">(</span><span class="string">"1.0 |2.0"</span><span class="special">,</span> <span class="identifier">left_align</span><span class="special">(</span><span class="number">8</span><span class="special">)[</span><span class="identifier">double_</span><span class="special">]</span> <span class="special"><<</span> <span class="char">'|'</span> <span class="special"><<</span> <span class="identifier">double_</span><span class="special">,</span> <span class="identifier">p</span><span class="special">);</span> +<span class="identifier">test_generator_attr</span><span class="special">(</span><span class="string">" 1.0 |2.0"</span><span class="special">,</span> <span class="identifier">center</span><span class="special">(</span><span class="number">8</span><span class="special">)[</span><span class="identifier">double_</span><span class="special">]</span> <span class="special"><<</span> <span class="char">'|'</span> <span class="special"><<</span> <span class="identifier">double_</span><span class="special">,</span> <span class="identifier">p</span><span class="special">);</span> +<span class="identifier">test_generator_attr</span><span class="special">(</span><span class="string">" 1.0|2.0"</span><span class="special">,</span> <span class="identifier">right_align</span><span class="special">(</span><span class="number">8</span><span class="special">)[</span><span class="identifier">double_</span><span class="special">]</span> <span class="special"><<</span> <span class="char">'|'</span> <span class="special"><<</span> <span class="identifier">double_</span><span class="special">,</span> <span class="identifier">p</span><span class="special">);</span> +</pre> +<p> + </p> +</div> +<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> +<td align="left"></td> +<td align="right"><div class="copyright-footer">Copyright © 2001-2011 Joel de Guzman, Hartmut Kaiser<p> + Distributed under the Boost Software License, Version 1.0. (See accompanying + file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) + </p> +</div></td> +</tr></table> +<hr> +<div class="spirit-nav"> +<a accesskey="p" href="../directive.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../directive.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="repeat.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> +</div> +</body> +</html> |