ref: 5883246d0105e0a616a80c4c841487563b2ab6bc
dir: /examples/gen_example_doxy.php/
#!/usr/bin/env php
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
<?php
/* This script converts markdown to doxygen htmlonly syntax, nesting the
* content inside a \page. It expects input on stdin and outputs on stdout.
*
* Usage: gen_example_doxy.php <page_identifier> "<page description>"
*/
$geshi_path = dirname($argv[0])."/includes/geshi/geshi/"; // Language files
$tmp_token = '<!-- I wanna rock you, Chaka Khan -->';
// Include prerequisites or exit
if(!include_once('includes/PHP-Markdown-Extra-1.2.3/markdown.php'))
die("Cannot load Markdown transformer.\n");
if(!include_once('includes/PHP-SmartyPants-1.5.1e/smartypants.php'))
die("Cannot load SmartyPants transformer.\n");
if(!include_once('includes/geshi/geshi.php'))
die("Cannot load GeSHi transformer.\n");
// ASCIIMathPHP?
// HTML::Toc?
// Tidy?
// Prince?
/**
* Generate XHTML body
*
*/
$page_body = file_get_contents('php://stdin');
// Transform any MathML expressions in the body text
$regexp = '/\[\[(.*?)\]\]/'; // Double square bracket delimiters
$page_body = preg_replace_callback($regexp, 'ASCIIMathPHPCallback', $page_body);
// Fix ASCIIMathPHP's output
$page_body = fix_asciiMath($page_body);
// Wrap block-style <math> elements in <p>, since Markdown doesn't.
$page_body = preg_replace('/\n(<math.*<\/math>)\n/', '<p class="eq_para">$1</p>', $page_body);
// Transform the body text to HTML
$page_body = Markdown($page_body);
// Preprocess code blocks
// Decode XML entities. GeSHi doesn't anticipate that
// Markdown has already done this.
$regexp = '|<pre><code>(.*?)<\/code><\/pre>|si';
while (preg_match($regexp, $page_body, $matches) > 0)
{
// Replace 1st match with token
$page_body = preg_replace($regexp, $tmp_token, $page_body, 1);
$block_new = $matches[1];
// Un-encode ampersand entities
$block_new = decode_markdown($block_new);
// Replace token with revised string
$page_body = preg_replace("|$tmp_token|", '<div class="codeblock">'.$block_new.'</div>', $page_body);
}
// Run GeSHi over code blocks
$regexp = '|<div class="codeblock">(.*?)<\/div>|si';
$language = 'c';
while (preg_match($regexp, $page_body, $matches))
{
$geshi = new GeSHi($matches[1], $language);
$geshi->set_language_path($geshi_path);
$block_new = $geshi->parse_code();
// Strip annoying final newline
$block_new = preg_replace('|\n <\/pre>|', '</pre>' , $block_new);
// Remove style attribute (TODO: Research this in GeSHi)
$block_new = preg_replace('| style="font-family:monospace;"|', '' , $block_new);
$page_body = preg_replace($regexp, $block_new, $page_body, 1);
unset($geshi); // Clean up
}
unset($block_new); // Clean up
// Apply typographic flourishes
$page_body = SmartyPants($page_body);
/**
* Generate Doxygen Body
*
*/
$page_id=(isset($argv[1]))?$argv[1]:"";
$page_desc=(isset($argv[2]))?$argv[2]:"";
print "/*!\\page ".$page_id." ".$page_desc."\n\\htmlonly\n";
print $page_body;
print "\\endhtmlonly\n*/\n";
// ---------------------------------------------------------
/**
* decode_markdown()
*
* Markdown encodes '&', '<' and '>' in detected code
* blocks, as a convenience. This will restore the
* encoded entities to ordinary characters, since a
* downstream transformer (like GeSHi) may not
* anticipate this.
*
**********************************************************/
function decode_markdown($input)
{
$out = FALSE;
$entities = array ('|&|'
,'|<|'
,'|>|'
);
$characters = array ('&'
,'<'
,'>'
);
$input = preg_replace($entities, $characters, $input);
$out = $input;
return $out;
}
/**
* ASCIIMathML parser
* http://tinyurl.com/ASCIIMathPHP
*
* @PARAM mtch_arr array - Array of ASCIIMath expressions
* as returned by preg_replace_callback([pattern]). First
* dimension is the full matched string (with delimiter);
* 2nd dimension is the undelimited contents (typically
* a capture group).
*
**********************************************************/
function ASCIIMathPHPCallback($mtch_arr)
{
$txt = trim($mtch_arr[1]);
include('includes/ASCIIMathPHP-2.0/ASCIIMathPHP-2.0.cfg.php');
require_once('includes/ASCIIMathPHP-2.0/ASCIIMathPHP-2.0.class.php');
static $asciimath;
if (!isset($asciimath)) $asciimath = new ASCIIMathPHP($symbol_arr);
$math_attr_arr = array('displaystyle' => 'true');
$asciimath->setExpr($txt);
$asciimath->genMathML($math_attr_arr);
return($asciimath->getMathML());
}
/**
* fix_asciiMath()
*
* ASCIIMath pretty-prints its output, with linefeeds
* and tabs. Causes unexpected behavior in some renderers.
* This flattens <math> blocks.
*
* @PARAM page_body str - The <body> element of an
* XHTML page to transform.
*
**********************************************************/
function fix_asciiMath($page_body)
{
$out = FALSE;
// Remove linefeeds and whitespace in <math> elements
$tags_bad = array('/(<math.*?>)\n*\s*/'
, '/(<mstyle.*?>)\n*\s*/'
, '/(<\/mstyle>)\n*\s*/'
, '/(<mrow.*?>)\n*\s*/'
, '/(<\/mrow>)\n*\s*/'
, '/(<mo.*?>)\n*\s*/'
, '/(<\/mo>)\n*\s*/'
, '/(<mi.*?>)\n*\s*/'
, '/(<\/mi>)\n*\s*/'
, '/(<mn.*?>)\n*\s*/'
, '/(<\/mn>)\n*\s*/'
, '/(<mtext.*?>)\n*\s*/'
, '/(<\/mtext>)\n*\s*/'
, '/(<msqrt.*?>)\n*\s*/'
, '/(<\/msqrt>)\n*\s*/'
, '/(<mfrac.*?>)\n*\s*/'
, '/(<\/mfrac>)\n*\s*/'
);
$tags_good = array( '$1'
, '$1'
, '$1'
, '$1'
, '$1'
, '$1'
, '$1'
, '$1'
, '$1'
, '$1'
, '$1'
, '$1'
, '$1'
, '$1'
, '$1'
, '$1'
, '$1'
);
$out = preg_replace($tags_bad, $tags_good, $page_body);
return $out;
}