Doxygen:如何在php中描述类成员变量? [英] Doxygen: how to describe class member variables in php?

问题描述

我正在尝试使用doxygen将php代码解析为xml输出. Doxygen不会解析类成员变量的描述.

这是我的示例php文件:

<?php
class A
{
    /**
      * Id on page.
      *
      * @var integer
      */
    var $id = 1;
}
?>

请注意，注释具有简短说明和变量类型. 这是我从此来源获得的xml:

<?xml version='1.0' encoding='UTF-8' standalone='no'?>
<doxygen xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xsi:noNamespaceSchemaLocation="compound.xsd" version="1.7.2">
  <compounddef id="class_a" kind="class" prot="public">
<compoundname>A</compoundname>
  <sectiondef kind="public-attrib">
  <memberdef kind="variable" id="class_a_1ae97941710d863131c700f069b109991e" prot="public" static="no" mutable="no">
    <type></type>
    <definition>$id</definition>
    <argsstring></argsstring>
    <name>$id</name>
    <initializer> 1</initializer>
    <briefdescription>
    </briefdescription>
    <detaileddescription>
    </detaileddescription>
    <inbodydescription>
    </inbodydescription>
    <location file="C:/projects/version6-7/asprunner/PHP/source/classes/a.php" line="11" bodyfile="C:/projects/version6-7/asprunner/PHP/source/classes/a.php" bodystart="11" bodyend="-1"/>
  </memberdef>
  </sectiondef>
<briefdescription>
</briefdescription>
<detaileddescription>
</detaileddescription>
<location file="C:/projects/version6-7/asprunner/PHP/source/classes/a.php" line="5" bodyfile="C:/projects/version6-7/asprunner/PHP/source/classes/a.php" bodystart="4" bodyend="12"/>
<listofallmembers>
  <member refid="class_a_1ae97941710d863131c700f069b109991e" prot="public" virt="non-virtual"><scope>A</scope><name>$id</name></member>
</listofallmembers>
  </compounddef>
</doxygen>

没有解析描述或类型. 我该如何解决?

解决方案

我正在使用输入过滤器从带有变量声明的内联@var注释中插入typehints，并删除@var注释，因为它在Doxygen中具有不同的含义.有关更多信息，请参见bug #626105 .

由于Doxygen使用类似C的解析器，因此当运行输入过滤器时，它可以识别类型.

<?php
$source = file_get_contents($argv[1]);

$regexp = '#\@var\s+([^\s]+)([^/]+)/\s+(var|public|protected|private)\s+(\$[^\s;=]+)#';
$replac = '${2} */ ${3} ${1} ${4}';
$source = preg_replace($regexp, $replac, $source);

echo $source;

这是快速破解，并且可能存在错误，它仅适用于我的代码:

您可以使用Doxy文件中的 INPUT_FILTER 选项启用输入过滤器.将上面的代码保存到名为php_var_filter.php的文件中，并将过滤器值设置为"php php_var_filter.php".

I'm trying to use doxygen to parse php code into xml output. Doxygen does not parse description of class member variables.

Here is my sample php file:

<?php
class A
{
    /**
      * Id on page.
      *
      * @var integer
      */
    var $id = 1;
}
?>

Note that comment has a brief description and variable type. Here is xml i got from this source:

<?xml version='1.0' encoding='UTF-8' standalone='no'?>
<doxygen xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xsi:noNamespaceSchemaLocation="compound.xsd" version="1.7.2">
  <compounddef id="class_a" kind="class" prot="public">
<compoundname>A</compoundname>
  <sectiondef kind="public-attrib">
  <memberdef kind="variable" id="class_a_1ae97941710d863131c700f069b109991e" prot="public" static="no" mutable="no">
    <type></type>
    <definition>$id</definition>
    <argsstring></argsstring>
    <name>$id</name>
    <initializer> 1</initializer>
    <briefdescription>
    </briefdescription>
    <detaileddescription>
    </detaileddescription>
    <inbodydescription>
    </inbodydescription>
    <location file="C:/projects/version6-7/asprunner/PHP/source/classes/a.php" line="11" bodyfile="C:/projects/version6-7/asprunner/PHP/source/classes/a.php" bodystart="11" bodyend="-1"/>
  </memberdef>
  </sectiondef>
<briefdescription>
</briefdescription>
<detaileddescription>
</detaileddescription>
<location file="C:/projects/version6-7/asprunner/PHP/source/classes/a.php" line="5" bodyfile="C:/projects/version6-7/asprunner/PHP/source/classes/a.php" bodystart="4" bodyend="12"/>
<listofallmembers>
  <member refid="class_a_1ae97941710d863131c700f069b109991e" prot="public" virt="non-virtual"><scope>A</scope><name>$id</name></member>
</listofallmembers>
  </compounddef>
</doxygen>

Neither description or type were parsed. How can I fix this?

解决方案

I am using an input filter to insert typehints from the @var annotation inline with variable declaration, and remove the @var annotation as it has different meaning in Doxygen. For more info, see bug #626105.

As Doxygen uses C-like parser, when the input filter is run it can recognize types.

<?php
$source = file_get_contents($argv[1]);

$regexp = '#\@var\s+([^\s]+)([^/]+)/\s+(var|public|protected|private)\s+(\$[^\s;=]+)#';
$replac = '${2} */ ${3} ${1} ${4}';
$source = preg_replace($regexp, $replac, $source);

echo $source;

This is a quick hack, and probably have bugs, it just works for my code:

You can enable input filter with INPUT_FILTER option in your Doxyfile. Save the code above to file named php_var_filter.php and set the filter value to "php php_var_filter.php".

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