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tokenizer no longer undocumented :)

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@114924 c90b9560-bf6c-de11-be94-00142212c4b1
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Hartmut Holzgraefe 2003-02-06 09:38:26 +00:00
parent 4337704ec2
commit 1de2f41d92
3 changed files with 96 additions and 18 deletions
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32
reference/tokenizer/functions/token-get-all.xml
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@ -1,18 +1,34 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.1 $ -->
<!-- $Revision: 1.2 $ -->
<refentry id="function.token-get-all">
<refnamediv>
<refname>token_get_all</refname>
<refpurpose>Split given source in tokens</refpurpose>
<refpurpose>Split given source into PHP tokens</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>array</type><methodname>token_get_all</methodname>
<methodparam><type>string</type><parameter>source</parameter></methodparam>
</methodsynopsis>
&warn.experimental.func;
&warn.undocumented.func;
<methodsynopsis>
<type>array</type><methodname>token_get_all</methodname>
<methodparam><type>string</type><parameter>source</parameter></methodparam>
</methodsynopsis>
<para>
<function>token_get_all</function> parses the given <parameter>source</parameter>
string into PHP language tokens using the Zend engines lexical scanner.
The function returns an array of token descriptions. Each array element itself is
either a one character string or itself an array containing a token id and the
string representation of that token in the source code.
</para>
<informalexample>
<programlisting role="php">
<![CDATA[
<?php
$tokens = token_get_all(";"); // => array(";");
$tokens = token_get_all("foreach") // => array(T_FOREACH => "foreach");
$tokens = token_get_all("/* comment */") // => array(T_ML_COMMENT => "/* comment */");
?>
]]>
</programlisting>
</informalexample>
</refsect1>
</refentry>

32
reference/tokenizer/functions/token-name.xml
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@ -1,18 +1,34 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.1 $ -->
<!-- $Revision: 1.2 $ -->
<refentry id="function.token-name">
<refnamediv>
<refname>token_name</refname>
<refpurpose>Get the name of a given token</refpurpose>
<refpurpose>Get the symbolic name of a given PHP token</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>string</type><methodname>token_name</methodname>
<methodparam><type>int</type><parameter>type</parameter></methodparam>
</methodsynopsis>
&warn.experimental.func;
&warn.undocumented.func;
<methodsynopsis>
<type>string</type><methodname>token_name</methodname>
<methodparam><type>int</type><parameter>token</parameter></methodparam>
</methodsynopsis>
<para>
This function will returen the symbolic name for a PHP
<parameter>token</parameter> value. The symbolic name
returned matches the name of the matching token constant.
</para>
<informalexample>
<programlisting role="php">
<![CDATA[
<?php
// 260 is the token value for the T_REQUIRE token
echo token_name(260); // -> "T_REQUIRE"
// a token constant maps to its own name
echo token_name(T_FUNCTION); // -> "T_FUNCTION"
?>
]]>
</programlisting>
</informalexample>
</refsect1>
</refentry>

50
reference/tokenizer/reference.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.7 $ -->
<!-- $Revision: 1.8 $ -->
<reference id="ref.tokenizer">
<title>Tokenizer functions</title>
<titleabbrev>Tokenizer functions</titleabbrev>
@ -7,7 +7,13 @@
<partintro>
<section id="tokenizer.intro">
&reftitle.intro;
&warn.experimental;
<para>
The tokenizer functions provide an interface to the
PHP tokenizer embedded in the Zend Engine. Using these
functions you may write your own PHP source analyzation
or modification tools without having to deal with the
language specification at the lexical level.
</para>
<para>
See also the <link linkend="tokens">appendix about tokens</link>.
</para>
@ -26,6 +32,46 @@
&reference.tokenizer.constants;
<section id="tokenizer.examples">
&reftitle.examples;
<para>
Here is a simple example PHP scripts using the tokenizer that
will read in a PHP file, strip all comments from the source
and print the pure code only.
</para>
<example>
<title>Strip comments</title>
<programlisting role="php">
<![CDATA[
<?php
$source = file_get_contents("somefile.php");
$tokens = token_get_all($source);
foreach ($tokens as $token) {
if (is_string($token)) {
// simple 1-character token
echo $token;
} else {
// token array
list($id, $text) = $token;
switch($id) {
case T_COMMENT:
case T_ML_COMMENT:
// no action on comments
break;
default:
// anything else -> output "as is"
echo $text;
break;
}
}
}
?>
]]>
</programlisting>
</example>
</section>
</partintro>
&reference.tokenizer.functions;