mirror of
https://github.com/friendica/friendica
synced 2024-12-26 05:20:15 +00:00
465 lines
13 KiB
PHP
465 lines
13 KiB
PHP
<?php
|
|
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
|
|
/**
|
|
* HTML renderer
|
|
*
|
|
* PHP versions 4 and 5
|
|
*
|
|
* LICENSE: This source file is subject to version 3.0 of the PHP license
|
|
* that is available through the world-wide-web at the following URI:
|
|
* http://www.php.net/license/3_0.txt. If you did not receive a copy of
|
|
* the PHP License and are unable to obtain it through the web, please
|
|
* send a note to license@php.net so we can mail you a copy immediately.
|
|
*
|
|
* @category Text
|
|
* @package Text_Highlighter
|
|
* @author Andrey Demenev <demenev@gmail.com>
|
|
* @copyright 2004-2006 Andrey Demenev
|
|
* @license http://www.php.net/license/3_0.txt PHP License
|
|
* @version CVS: $Id$
|
|
* @link http://pear.php.net/package/Text_Highlighter
|
|
*/
|
|
|
|
/**
|
|
* @ignore
|
|
*/
|
|
|
|
require_once 'Text/Highlighter/Renderer.php';
|
|
require_once 'Text/Highlighter/Renderer/Array.php';
|
|
|
|
// BC trick : only define constants if Text/Highlighter.php
|
|
// is not yet included
|
|
if (!defined('HL_NUMBERS_LI')) {
|
|
/**#@+
|
|
* Constant for use with $options['numbers']
|
|
*/
|
|
/**
|
|
* use numbered list, deprecated, use HL_NUMBERS_OL instaed
|
|
* @deprecated
|
|
*/
|
|
define ('HL_NUMBERS_LI' , 1);
|
|
/**
|
|
* Use 2-column table with line numbers in left column and code in right column.
|
|
*/
|
|
define ('HL_NUMBERS_TABLE' , 2);
|
|
/**#@-*/
|
|
}
|
|
|
|
|
|
/**#@+
|
|
* Constant for use with $options['numbers']
|
|
*/
|
|
/**
|
|
* Use numbered list
|
|
*/
|
|
define ('HL_NUMBERS_OL', 1);
|
|
/**
|
|
* Use non-numbered list
|
|
*/
|
|
define ('HL_NUMBERS_UL', 3);
|
|
/**#@-*/
|
|
|
|
|
|
/**
|
|
* HTML renderer
|
|
*
|
|
* Elements of $options argument of constructor (each being optional):
|
|
*
|
|
* - 'numbers' - Line numbering style 0 or {@link HL_NUMBERS_TABLE}
|
|
* or {@link HL_NUMBERS_UL} or {@link HL_NUMBERS_OL}
|
|
* - 'numbers_start' - starting number for numbered lines
|
|
* - 'tabsize' - Tab size
|
|
* - 'style_map' - Mapping of keywords to formatting rules using inline styles
|
|
* - 'class_map' - Mapping of keywords to formatting rules using class names
|
|
* - 'doclinks' - array that has keys "url", "target" and "elements", used for
|
|
* generating links to online documentation
|
|
* - 'use_language' - class names will be prefixed with language, like "php-reserved" or "css-code"
|
|
*
|
|
* Example of setting documentation links:
|
|
* $options['doclinks'] = array(
|
|
* 'url' => 'http://php.net/%s',
|
|
* 'target' => '_blank',
|
|
* 'elements' => array('reserved', 'identifier')
|
|
* );
|
|
*
|
|
* Example of setting class names map:
|
|
* $options['class_map'] = array(
|
|
* 'main' => 'my-main',
|
|
* 'table' => 'my-table',
|
|
* 'gutter' => 'my-gutter',
|
|
* 'brackets' => 'my-brackets',
|
|
* 'builtin' => 'my-builtin',
|
|
* 'code' => 'my-code',
|
|
* 'comment' => 'my-comment',
|
|
* 'default' => 'my-default',
|
|
* 'identifier' => 'my-identifier',
|
|
* 'inlinedoc' => 'my-inlinedoc',
|
|
* 'inlinetags' => 'my-inlinetags',
|
|
* 'mlcomment' => 'my-mlcomment',
|
|
* 'number' => 'my-number',
|
|
* 'quotes' => 'my-quotes',
|
|
* 'reserved' => 'my-reserved',
|
|
* 'special' => 'my-special',
|
|
* 'string' => 'my-string',
|
|
* 'url' => 'my-url',
|
|
* 'var' => 'my-var',
|
|
* );
|
|
*
|
|
* Example of setting styles mapping:
|
|
* $options['style_map'] = array(
|
|
* 'main' => 'color: black',
|
|
* 'table' => 'border: 1px solid black',
|
|
* 'gutter' => 'background-color: yellow',
|
|
* 'brackets' => 'color: blue',
|
|
* 'builtin' => 'color: red',
|
|
* 'code' => 'color: green',
|
|
* 'comment' => 'color: orange',
|
|
* // ....
|
|
* );
|
|
*
|
|
*
|
|
* @author Andrey Demenev <demenev@gmail.com>
|
|
* @category Text
|
|
* @package Text_Highlighter
|
|
* @copyright 2004-2006 Andrey Demenev
|
|
* @license http://www.php.net/license/3_0.txt PHP License
|
|
* @version Release: @package_version@
|
|
* @link http://pear.php.net/package/Text_Highlighter
|
|
*/
|
|
|
|
class Text_Highlighter_Renderer_Html extends Text_Highlighter_Renderer_Array
|
|
{
|
|
|
|
/**#@+
|
|
* @access private
|
|
*/
|
|
|
|
/**
|
|
* Line numbering style
|
|
*
|
|
* @var integer
|
|
*/
|
|
var $_numbers = 0;
|
|
|
|
/**
|
|
* For numberered lines - where to start
|
|
*
|
|
* @var integer
|
|
*/
|
|
var $_numbers_start = 0;
|
|
|
|
/**
|
|
* Tab size
|
|
*
|
|
* @var integer
|
|
*/
|
|
var $_tabsize = 4;
|
|
|
|
/**
|
|
* Highlighted code
|
|
*
|
|
* @var string
|
|
*/
|
|
var $_output = '';
|
|
|
|
/**
|
|
* Mapping of keywords to formatting rules using inline styles
|
|
*
|
|
* @var array
|
|
*/
|
|
var $_style_map = array();
|
|
|
|
/**
|
|
* Mapping of keywords to formatting rules using class names
|
|
*
|
|
* @var array
|
|
*/
|
|
var $_class_map = array(
|
|
'main' => 'hl-main',
|
|
'table' => 'hl-table',
|
|
'gutter' => 'hl-gutter',
|
|
'brackets' => 'hl-brackets',
|
|
'builtin' => 'hl-builtin',
|
|
'code' => 'hl-code',
|
|
'comment' => 'hl-comment',
|
|
'default' => 'hl-default',
|
|
'identifier' => 'hl-identifier',
|
|
'inlinedoc' => 'hl-inlinedoc',
|
|
'inlinetags' => 'hl-inlinetags',
|
|
'mlcomment' => 'hl-mlcomment',
|
|
'number' => 'hl-number',
|
|
'prepro' => 'hl-prepro',
|
|
'quotes' => 'hl-quotes',
|
|
'reserved' => 'hl-reserved',
|
|
'special' => 'hl-special',
|
|
'string' => 'hl-string',
|
|
'types' => 'hl-types',
|
|
'url' => 'hl-url',
|
|
'var' => 'hl-var',
|
|
);
|
|
|
|
/**
|
|
* Setup for links to online documentation
|
|
*
|
|
* This is an array with keys:
|
|
* - url, ex. http://php.net/%s
|
|
* - target, ex. _blank, default - no target
|
|
* - elements, default is <code>array('reserved', 'identifier')</code>
|
|
*
|
|
* @var array
|
|
*/
|
|
var $_doclinks = array();
|
|
|
|
/**#@-*/
|
|
|
|
|
|
/**
|
|
* Resets renderer state
|
|
*
|
|
* @access protected
|
|
*
|
|
*
|
|
* Descendents of Text_Highlighter call this method from the constructor,
|
|
* passing $options they get as parameter.
|
|
*/
|
|
function reset()
|
|
{
|
|
$this->_output = '';
|
|
if (isset($this->_options['numbers'])) {
|
|
$this->_numbers = (int)$this->_options['numbers'];
|
|
if ($this->_numbers != HL_NUMBERS_LI
|
|
&& $this->_numbers != HL_NUMBERS_UL
|
|
&& $this->_numbers != HL_NUMBERS_OL
|
|
&& $this->_numbers != HL_NUMBERS_TABLE
|
|
) {
|
|
$this->_numbers = 0;
|
|
}
|
|
}
|
|
if (isset($this->_options['tabsize'])) {
|
|
$this->_tabsize = $this->_options['tabsize'];
|
|
}
|
|
if (isset($this->_options['numbers_start'])) {
|
|
$this->_numbers_start = intval($this->_options['numbers_start']);
|
|
}
|
|
if (isset($this->_options['doclinks']) &&
|
|
is_array($this->_options['doclinks']) &&
|
|
!empty($this->_options['doclinks']['url'])
|
|
) {
|
|
|
|
$this->_doclinks = $this->_options['doclinks']; // keys: url, target, elements array
|
|
|
|
if (empty($this->_options['doclinks']['elements'])) {
|
|
$this->_doclinks['elements'] = array('reserved', 'identifier');
|
|
}
|
|
}
|
|
if (isset($this->_options['style_map'])) {
|
|
$this->_style_map = $this->_options['style_map'];
|
|
}
|
|
if (isset($this->_options['class_map'])) {
|
|
$this->_class_map = array_merge($this->_class_map, $this->_options['class_map']);
|
|
}
|
|
$this->_htmlspecialchars = true;
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* Given a CSS class name, returns the class name
|
|
* with language name prepended, if necessary
|
|
*
|
|
* @access private
|
|
*
|
|
* @param string $class Token class
|
|
*/
|
|
function _getFullClassName($class)
|
|
{
|
|
if (!empty($this->_options['use_language'])) {
|
|
$the_class = $this->_language . '-' . $class;
|
|
} else {
|
|
$the_class = $class;
|
|
}
|
|
return $the_class;
|
|
}
|
|
|
|
/**
|
|
* Signals that no more tokens are available
|
|
*
|
|
* @access public
|
|
*/
|
|
function finalize()
|
|
{
|
|
|
|
// get parent's output
|
|
parent::finalize();
|
|
$output = parent::getOutput();
|
|
|
|
$html_output = '';
|
|
|
|
$numbers_li = false;
|
|
|
|
if (
|
|
$this->_numbers == HL_NUMBERS_LI ||
|
|
$this->_numbers == HL_NUMBERS_UL ||
|
|
$this->_numbers == HL_NUMBERS_OL
|
|
)
|
|
{
|
|
$numbers_li = true;
|
|
}
|
|
|
|
// loop through each class=>content pair
|
|
foreach ($output AS $token) {
|
|
|
|
if ($this->_enumerated) {
|
|
$key = false;
|
|
$the_class = $token[0];
|
|
$content = $token[1];
|
|
} else {
|
|
$key = key($token);
|
|
$the_class = $key;
|
|
$content = $token[$key];
|
|
}
|
|
|
|
$span = $this->_getStyling($the_class);
|
|
$decorated_output = $this->_decorate($content, $key);
|
|
|
|
|
|
if ($numbers_li == true) {
|
|
// end span tags before end of li, and re-open on next line
|
|
$lastSpanTag = str_replace("%s</span>", "", $span);
|
|
$span = sprintf($span, $decorated_output);
|
|
$span = str_replace("\n", "</span></li>\n<li>$lastSpanTag ", $span);
|
|
$html_output .= $span;
|
|
} else {
|
|
$html_output .= sprintf($span, $decorated_output);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
// format lists
|
|
if (!empty($this->_numbers) && $numbers_li == true) {
|
|
|
|
|
|
// additional whitespace for browsers that do not display
|
|
// empty list items correctly
|
|
$this->_output = '<li> ' . $html_output . '</li>';
|
|
|
|
$start = '';
|
|
if ($this->_numbers == HL_NUMBERS_OL && intval($this->_numbers_start) > 0) {
|
|
$start = ' start="' . $this->_numbers_start . '"';
|
|
}
|
|
|
|
$list_tag = 'ol';
|
|
if ($this->_numbers == HL_NUMBERS_UL) {
|
|
$list_tag = 'ul';
|
|
}
|
|
|
|
|
|
$this->_output = '<' . $list_tag . $start
|
|
. ' ' . $this->_getStyling('main', false) . '>'
|
|
. $this->_output . '</'. $list_tag .'>';
|
|
|
|
// render a table
|
|
} else if ($this->_numbers == HL_NUMBERS_TABLE) {
|
|
|
|
|
|
$start_number = 0;
|
|
if (intval($this->_numbers_start)) {
|
|
$start_number = $this->_numbers_start - 1;
|
|
}
|
|
|
|
$numbers = '';
|
|
|
|
$nlines = substr_count($html_output,"\n")+1;
|
|
for ($i=1; $i <= $nlines; $i++) {
|
|
$numbers .= ($start_number + $i) . "\n";
|
|
}
|
|
$this->_output = '<table ' . $this->_getStyling('table', false) . ' width="100%"><tr>' .
|
|
'<td '. $this->_getStyling('gutter', false) .' align="right" valign="top">' .
|
|
'<pre>' . $numbers . '</pre></td><td '. $this->_getStyling('main', false) .
|
|
' valign="top"><pre>' .
|
|
$html_output . '</pre></td></tr></table>';
|
|
}
|
|
if (!$this->_numbers) {
|
|
$this->_output = '<pre>' . $html_output . '</pre>';
|
|
}
|
|
$this->_output = '<div ' . $this->_getStyling('main', false) . '>' . $this->_output . '</div>';
|
|
}
|
|
|
|
|
|
/**
|
|
* Provides additional formatting to a keyword
|
|
*
|
|
* @param string $content Keyword
|
|
* @return string Keyword with additional formatting
|
|
* @access public
|
|
*
|
|
*/
|
|
function _decorate($content, $key = false)
|
|
{
|
|
// links to online documentation
|
|
if (!empty($this->_doclinks) &&
|
|
!empty($this->_doclinks['url']) &&
|
|
in_array($key, $this->_doclinks['elements'])
|
|
) {
|
|
|
|
$link = '<a href="'. sprintf($this->_doclinks['url'], $content) . '"';
|
|
if (!empty($this->_doclinks['target'])) {
|
|
$link.= ' target="' . $this->_doclinks['target'] . '"';
|
|
}
|
|
$link .= '>';
|
|
$link.= $content;
|
|
$link.= '</a>';
|
|
|
|
$content = $link;
|
|
|
|
}
|
|
|
|
return $content;
|
|
}
|
|
|
|
/**
|
|
* Returns <code>class</code> and/or <code>style</code> attribute,
|
|
* optionally enclosed in a <code>span</code> tag
|
|
*
|
|
* @param string $class Class name
|
|
* @paran boolean $span_tag Whether or not to return styling attributes in a <code>>span<</code> tag
|
|
* @return string <code>span</code> tag or just a <code>class</code> and/or <code>style</code> attributes
|
|
* @access private
|
|
*/
|
|
function _getStyling($class, $span_tag = true)
|
|
{
|
|
$attrib = '';
|
|
if (!empty($this->_style_map) &&
|
|
!empty($this->_style_map[$class])
|
|
) {
|
|
$attrib = 'style="'. $this->_style_map[$class] .'"';
|
|
}
|
|
if (!empty($this->_class_map) &&
|
|
!empty($this->_class_map[$class])
|
|
) {
|
|
if ($attrib) {
|
|
$attrib .= ' ';
|
|
}
|
|
$attrib .= 'class="'. $this->_getFullClassName($this->_class_map[$class]) .'"';
|
|
}
|
|
|
|
if ($span_tag) {
|
|
$span = '<span ' . $attrib . '>%s</span>';
|
|
return $span;
|
|
} else {
|
|
return $attrib;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* c-hanging-comment-ender-p: nil
|
|
* End:
|
|
*/
|
|
|
|
?>
|