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Parsing data sources usage
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<h1>
HTML_CSS : The Definitive Guide
</h1>
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Parsing data sources usage
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<tr>
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<a accesskey="p" href="ch10.html">Prev</a>
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Chapter 10. Examples
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<div class="sect1" lang="en" xml:lang="en">
<div class="titlepage">
<h2 class="title c1">
<a name="examples.parse" id="examples.parse"></a>Parsing data sources
usage
</h2>
</div>
<div class="toc">
<dl>
<dt>
<span class="sect2"><a href="ch10s02.html#examples.parse.1">Parse a
string that contains CSS information</a></span>
</dt>
<dt>
<span class="sect2"><a href="ch10s02.html#examples.parse.2">Parse
multiple data sources at once</a></span>
</dt>
</dl>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<h3 class="title">
<a name="examples.parse.1" id="examples.parse.1"></a>Parse a string
that contains CSS information
</h3>
</div>
<p>
In this example, here are our goal :
</p>
<div class="itemizedlist">
<ul type="disc">
<li>load CSS definitions from a simple PHP string
</li>
</ul>
</div>
<div class="css c2">
<ol>
<li class="li1">
<div class="de1">
*<span class="br0">{</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">margin</span>: 0px; <span class=
"kw1">padding</span>: 0px;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="br0">}</span>
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
body<span class="br0">{</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">font-family</span>: Lucida Grande, Tahoma,
Verdana, Arial, <span class="kw2">sans-serif</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">text-align</span>:<span class=
"kw2">center</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">background-color</span>:#fff;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="br0">}</span>
</div>
</li>
</ol>
</div>
<div class="example">
<a name="id4803238" id="id4803238"></a>
<p class="title c3">
Example 10.3. Simple string parsing
</p>
<div class="php c2">
<ol>
<li class="li1">
<div class="de1">
<span class="kw2"><?php</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">require_once</span> <span class=
"st0">'HTML/CSS.php'</span>;
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$styles</span> = <span class="st0">'</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="st0">*{</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="st0">margin: 0px; padding: 0px;</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="st0">}</span>
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
<span class="st0">body{</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="st0">font-family: Lucida Grande, Tahoma,
Verdana, Arial, sans-serif;</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="st0">text-align:center;</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="st0">background-color:#fff;</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="st0">}</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="st0">'</span>;
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span> = <span class="kw2">new</span>
HTML_CSS<span class="br0">(</span><span class="br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span>-><span class=
"me1">parseString</span><span class=
"br0">(</span><span class="re0">$styles</span><span class=
"br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw2">?></span>
</div>
</li>
</ol>
</div>
</div>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<h3 class="title">
<a name="examples.parse.2" id="examples.parse.2"></a>Parse multiple
data sources at once
</h3>
</div>
<p>
In this example, here are our goals :
</p>
<div class="itemizedlist">
<ul type="disc">
<li>load CSS definitions from a simple PHP string
</li>
<li>load CSS definitions from multiple CSS files
</li>
</ul>
</div>
<p>
Here is content of <code class="filename">print.css</code> file :
</p>
<div class="css c2">
<ol>
<li class="li1">
<div class="de1">
*<span class="br0">{</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">margin</span>: 4px; <span class=
"kw1">padding</span>: 0px;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="br0">}</span>
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
body<span class="br0">{</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">font-family</span>: Tahoma, Verdana,
Helvetica, Arial, <span class="kw2">sans-serif</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">text-align</span>:<span class=
"kw2">center</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">background-color</span>:#fff;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="br0">}</span>
</div>
</li>
</ol>
</div>
<p>
Here is content of <code class="filename">default.css</code> file :
</p>
<div class="css c2">
<ol>
<li class="li1">
<div class="de1">
*<span class="br0">{</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">margin</span>: 0px; <span class=
"kw1">padding</span>: 0px;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="br0">}</span>
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
body<span class="br0">{</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">font-family</span>: Lucida Grande, Tahoma,
Verdana, Arial, <span class="kw2">sans-serif</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">text-align</span>:<span class=
"kw2">center</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">background-color</span>:#fff;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="br0">}</span>
</div>
</li>
</ol>
</div>
<div class="example">
<a name="id4803592" id="id4803592"></a>
<p class="title c3">
Example 10.4. Multiple data sources parsing
</p>
<div class="php c2">
<ol>
<li class="li1">
<div class="de1">
<span class="kw2"><?php</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">require_once</span> <span class=
"st0">'HTML/CSS.php'</span>;
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$styles</span> = <span class=
"kw3">array</span><span class="br0">(</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="st0">"body { font-size: 1em;
}"</span>,
</div>
</li>
<li class="li1">
<div class="de1">
<span class="st0">"print.css"</span>,
</div>
</li>
<li class="li1">
<div class="de1">
<span class="st0">"default.css"</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span> = <span class="kw2">new</span>
HTML_CSS<span class="br0">(</span><span class="br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span>-><span class=
"me1">parseData</span><span class="br0">(</span><span class=
"re0">$styles</span><span class="br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="re0">$css</span>-><span class=
"me1">display</span><span class="br0">(</span><span class=
"br0">)</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw2">?></span>
</div>
</li>
</ol>
</div>
</div>
<p>
And here are the result we should expected :
</p>
<div class="css c2">
<ol>
<li class="li1">
<div class="de1">
body <span class="br0">{</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">font-size</span>: 1em;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">font-family</span>: Lucida Grande,
Tahoma, Verdana, Arial, <span class="kw2">sans-serif</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">text-align</span>: <span class=
"kw2">center</span>;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">background-color</span>: #fff;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="br0">}</span>
</div>
</li>
<li class="li1">
<div class="de1">
</div>
</li>
<li class="li1">
<div class="de1">
* <span class="br0">{</span>
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">margin</span>: 0px;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="kw1">padding</span>: 0px;
</div>
</li>
<li class="li1">
<div class="de1">
<span class="br0">}</span>
</div>
</li>
</ol>
</div>
</div>
</div>
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<td align="left">
HTML_CSS : The Definitive Guide
</td>
<td align="right">
v 1.1.3 : February 18, 2007
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