<?php
/**
* A doc generator that outputs documentation in one big HTML file.
*
* Output is in one large HTML file and is designed for you to style with
* your own stylesheet. It contains a table of contents at the top with anchors
* to each sniff.
*
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
*/
namespace PHP_CodeSniffer\Generators;
use PHP_CodeSniffer\Config;
class HTML extends Generator
{
/**
* Generates the documentation for a standard.
*
* @return void
* @see processSniff()
*/
public function generate()
{
ob_start();
$this->printHeader();
$this->printToc();
foreach ($this->docFiles as $file) {
$doc = new \DOMDocument();
$doc->load($file);
$documentation = $doc->getElementsByTagName('documentation')->item(0);
$this->processSniff($documentation);
}
$this->printFooter();
$content = ob_get_contents();
ob_end_clean();
echo $content;
}//end generate()
/**
* Print the header of the HTML page.
*
* @return void
*/
protected function printHeader()
{
$standard = $this->ruleset->name;
echo '<html>'.PHP_EOL;
echo ' <head>'.PHP_EOL;
echo " <title>$standard Coding Standards</title>".PHP_EOL;
echo ' <style>
body {
background-color: #FFFFFF;
font-size: 14px;
font-family: Arial, Helvetica, sans-serif;
color: #000000;
}
h1 {
color: #666666;
font-size: 20px;
font-weight: bold;
margin-top: 0px;
background-color: #E6E7E8;
padding: 20px;
border: 1px solid #BBBBBB;
}
h2 {
color: #00A5E3;
font-size: 16px;
font-weight: normal;
margin-top: 50px;
}
.code-comparison {
width: 100%;
}
.code-comparison td {
border: 1px solid #CCCCCC;
}
.code-comparison-title, .code-comparison-code {
font-family: Arial, Helvetica, sans-serif;
font-size: 12px;
color: #000000;
vertical-align: top;
padding: 4px;
width: 50%;
background-color: #F1F1F1;
line-height: 15px;
}
.code-comparison-code {
font-family: Courier;
background-color: #F9F9F9;
}
.code-comparison-highlight {
background-color: #DDF1F7;
border: 1px solid #00A5E3;
line-height: 15px;
}
.tag-line {
text-align: center;
width: 100%;
margin-top: 30px;
font-size: 12px;
}
.tag-line a {
color: #000000;
}
</style>'.PHP_EOL;
echo ' </head>'.PHP_EOL;
echo ' <body>'.PHP_EOL;
echo " <h1>$standard Coding Standards</h1>".PHP_EOL;
}//end printHeader()
/**
* Print the table of contents for the standard.
*
* The TOC is just an unordered list of bookmarks to sniffs on the page.
*
* @return void
*/
protected function printToc()
{
echo ' <h2>Table of Contents</h2>'.PHP_EOL;
echo ' <ul class="toc">'.PHP_EOL;
foreach ($this->docFiles as $file) {
$doc = new \DOMDocument();
$doc->load($file);
$documentation = $doc->getElementsByTagName('documentation')->item(0);
$title = $this->getTitle($documentation);
echo ' <li><a href="#'.str_replace(' ', '-', $title)."\">$title</a></li>".PHP_EOL;
}
echo ' </ul>'.PHP_EOL;
}//end printToc()
/**
* Print the footer of the HTML page.
*
* @return void
*/
protected function printFooter()
{
// Turn off errors so we don't get timezone warnings if people
// don't have their timezone set.
$errorLevel = error_reporting(0);
echo ' <div class="tag-line">';
echo 'Documentation generated on '.date('r');
echo ' by <a href="https://github.com/squizlabs/PHP_CodeSniffer">PHP_CodeSniffer '.Config::VERSION.'</a>';
echo '</div>'.PHP_EOL;
error_reporting($errorLevel);
echo ' </body>'.PHP_EOL;
echo '</html>'.PHP_EOL;
}//end printFooter()
/**
* Process the documentation for a single sniff.
*
* @param \DOMNode $doc The DOMNode object for the sniff.
* It represents the "documentation" tag in the XML
* standard file.
*
* @return void
*/
public function processSniff(\DOMNode $doc)
{
$title = $this->getTitle($doc);
echo ' <a name="'.str_replace(' ', '-', $title).'" />'.PHP_EOL;
echo " <h2>$title</h2>".PHP_EOL;
foreach ($doc->childNodes as $node) {
if ($node->nodeName === 'standard') {
$this->printTextBlock($node);
} else if ($node->nodeName === 'code_comparison') {
$this->printCodeComparisonBlock($node);
}
}
}//end processSniff()
/**
* Print a text block found in a standard.
*
* @param \DOMNode $node The DOMNode object for the text block.
*
* @return void
*/
protected function printTextBlock(\DOMNode $node)
{
$content = trim($node->nodeValue);
$content = htmlspecialchars($content);
// Allow em tags only.
$content = str_replace('<em>', '<em>', $content);
$content = str_replace('</em>', '</em>', $content);
echo " <p class=\"text\">$content</p>".PHP_EOL;
}//end printTextBlock()
/**
* Print a code comparison block found in a standard.
*
* @param \DOMNode $node The DOMNode object for the code comparison block.
*
* @return void
*/
protected function printCodeComparisonBlock(\DOMNode $node)
{
$codeBlocks = $node->getElementsByTagName('code');
$firstTitle = $codeBlocks->item(0)->getAttribute('title');
$first = trim($codeBlocks->item(0)->nodeValue);
$first = str_replace('<?php', '<?php', $first);
$first = str_replace("\n", '</br>', $first);
$first = str_replace(' ', ' ', $first);
$first = str_replace('<em>', '<span class="code-comparison-highlight">', $first);
$first = str_replace('</em>', '</span>', $first);
$secondTitle = $codeBlocks->item(1)->getAttribute('title');
$second = trim($codeBlocks->item(1)->nodeValue);
$second = str_replace('<?php', '<?php', $second);
$second = str_replace("\n", '</br>', $second);
$second = str_replace(' ', ' ', $second);
$second = str_replace('<em>', '<span class="code-comparison-highlight">', $second);
$second = str_replace('</em>', '</span>', $second);
echo ' <table class="code-comparison">'.PHP_EOL;
echo ' <tr>'.PHP_EOL;
echo " <td class=\"code-comparison-title\">$firstTitle</td>".PHP_EOL;
echo " <td class=\"code-comparison-title\">$secondTitle</td>".PHP_EOL;
echo ' </tr>'.PHP_EOL;
echo ' <tr>'.PHP_EOL;
echo " <td class=\"code-comparison-code\">$first</td>".PHP_EOL;
echo " <td class=\"code-comparison-code\">$second</td>".PHP_EOL;
echo ' </tr>'.PHP_EOL;
echo ' </table>'.PHP_EOL;
}//end printCodeComparisonBlock()
}//end class