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iconizr.phps
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iconizr.phps
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#!/usr/bin/env php
<?php
namespace Jkphl;
// Require Zend classes for argument validation
require_once __DIR__.DIRECTORY_SEPARATOR.'lib'.DIRECTORY_SEPARATOR.'Zend'.DIRECTORY_SEPARATOR.'Console'.DIRECTORY_SEPARATOR.'Exception'.DIRECTORY_SEPARATOR.'ExceptionInterface.php';
require_once __DIR__.DIRECTORY_SEPARATOR.'lib'.DIRECTORY_SEPARATOR.'Zend'.DIRECTORY_SEPARATOR.'Console'.DIRECTORY_SEPARATOR.'Exception'.DIRECTORY_SEPARATOR.'BadMethodCallException.php';
require_once __DIR__.DIRECTORY_SEPARATOR.'lib'.DIRECTORY_SEPARATOR.'Zend'.DIRECTORY_SEPARATOR.'Console'.DIRECTORY_SEPARATOR.'Exception'.DIRECTORY_SEPARATOR.'InvalidArgumentException.php';
require_once __DIR__.DIRECTORY_SEPARATOR.'lib'.DIRECTORY_SEPARATOR.'Zend'.DIRECTORY_SEPARATOR.'Console'.DIRECTORY_SEPARATOR.'Exception'.DIRECTORY_SEPARATOR.'RuntimeException.php';
require_once __DIR__.DIRECTORY_SEPARATOR.'lib'.DIRECTORY_SEPARATOR.'Zend'.DIRECTORY_SEPARATOR.'Console'.DIRECTORY_SEPARATOR.'Getopt.php';
/**
* Iconizr class
*
* @author joschi
*
*/
class Iconizr {
/**
* Command line options
*
* @var \Zend\Console\Getopt
*/
protected $_options = null;
/**
* Default options
*
* @var array
*/
protected $_defaultOptions = array(
'prefix' => self::DEFAULT_PREFIX,
'level' => self::DEFAULT_LEVEL,
'speed' => 2,
'css' => 0,
'sass' => 0,
'quantize' => 0,
'dims' => 0,
'verbose' => 0,
'keep' => 0,
'width' => self::DEFAULT_LENGTH,
'height' => self::DEFAULT_LENGTH,
'maxwidth' => self::DEFAULT_MAXLENGTH,
'maxheight' => self::DEFAULT_MAXLENGTH,
'svg' => self::DEFAULT_THRESHOLD_SVG,
'png' => self::DEFAULT_THRESHOLD_PNG,
'scour' => null,
'sassout' => null,
'python' => null,
'pseudo' => self::PSEUDO_SPLIT,
'padding' => 0,
);
/**
* Supporting binaries
*
* @var array
*/
protected $_binaries = array(
'svgo' => false,
'phantomjs' => false,
'pngcrush' => false,
'pngquant' => false,
'optipng' => false,
'python' => false,
);
/**
* Current working directory
*
* @var string
*/
protected $_cwd = null;
/**
* SVG directories
*
* @var array
*/
protected $_dirs = array();
/**
* List of unique output directory names
*
* @var array
*/
protected $_uniqueDirs = array();
/**
* Target directory for CSS files
*
* @var string
*/
protected $_target = null;
/**
* Target directory for Sass files
*
* @var string
*/
protected $_sassTarget = null;
/**
* Prefix to the CSS directory path for embedding in HTML documents
*
* @var string
*/
protected $_embed = null;
/**
* Temporary directory
*
* @var string
*/
protected $_tmpDir = null;
/**
* Temporary directory name
*
* @var string
*/
protected $_tmpName = null;
/**
* Temporary resources
*
* @var array
*/
protected $_tmpResources = array();
/**
* CSS
*
* @var array
*/
protected $_css = array(
self::SVG => array(
self::SINGLE => array(),
self::DATA => array(),
self::SPRITE => array(),
),
self::PNG => array(
self::SINGLE => array(),
self::DATA => array(),
self::SPRITE => array(),
),
);
/**
* Sass
*
* @var array
*/
protected $_sass = array(
self::SVG => array(
self::SINGLE => array(),
self::DATA => array(),
self::SPRITE => array(),
),
self::PNG => array(
self::SINGLE => array(),
self::DATA => array(),
self::SPRITE => array(),
),
);
/**
* Data URIs
*
* @var string
*/
protected $_dataUris = array();
/**
* Use sprites
*
* @var array
*/
protected $_useSprite = array();
/**
* Icon dimensions
*
* @var array
*/
protected $_dimensions = array();
/**
* Icon names
*
* @var array
*/
protected $_iconNames = array();
/**
* CSS class prefix
*
* @var string
*/
protected $_prefix = self::DEFAULT_PREFIX;
/**
* Whether to optimize PNG images
*
* @var boolean
*/
protected $_optimize = true;
/**
* Quantize speed
*
* @var string
*/
protected $_speed = 3;
/**
* Optimization level
*
* @var string
*/
protected $_optimization = 2;
/**
* Effective data URI byte thresholds
*
* @var int
*/
protected $_thresholds = array(
self::SVG => self::DEFAULT_THRESHOLD_SVG,
self::PNG => self::DEFAULT_THRESHOLD_PNG,
);
/**
* Flags
*
* @var array
*/
protected $_flags = array();
/**
* Absolute path to scour script for cleaning the SVG files
*
* @var string
*/
protected $_scour = null;
/**
* Default icon width
*
* @var int
*/
protected $_width = self::DEFAULT_LENGTH;
/**
* Default icon height
*
* @var int
*/
protected $_height = self::DEFAULT_LENGTH;
/**
* Maximum icon width
*
* @var int
*/
protected $_maxwidth = self::DEFAULT_MAXLENGTH;
/**
* Maximum icon height
*
* @var int
*/
protected $_maxheight = self::DEFAULT_MAXLENGTH;
/**
* Padding around the icons (pixel)
*
* @var int
*/
protected $_padding = 0;
/**
* Logging group (indentation level)
*
* @var int
*/
protected $_logGroup = 0;
/**
* PhantomJS script template
*
* @var string
*/
protected static $_phantomJSSCript = 'var icons=%s,svg=function(){if(icons.length){var a=icons.pop();page.viewportSize={width:a[2],height:a[3]};page.open(a[0],function(){page.render(a[1]),svg()})}else phantom.exit()},page=require("webpage").create();svg();';
/**
* SVG
*
* @var string
*/
const SVG = 'svg';
/**
* PNG
*
* @var string
*/
const PNG = 'png';
/**
* Single image mode
*
* @var string
*/
const SINGLE = 'single';
/**
* Data URI mode
*
* @var string
*/
const DATA = 'data';
/**
* Sprite mode
*
* @var string
*/
const SPRITE = 'sprite';
/**
* Default CSS class prefix
*
* @var string
*/
const DEFAULT_PREFIX = 'icon';
/**
* Default optimization level
*
* @var ing
*/
const DEFAULT_LEVEL = 3;
/**
* Default CSS and Sass file name prefix
*
* @var string
*/
const DEFAULT_FILE = 'iconizr';
/**
* Default byte threshold for SVG data URIs
*
* @var int
*/
const DEFAULT_THRESHOLD_SVG = 1048576;
/**
* Default byte threshold for PNG data URIs
*
* @var int
*/
const DEFAULT_THRESHOLD_PNG = 32768;
/**
* Default icon width / height
*
* @var int
*/
const DEFAULT_LENGTH = 32;
/**
* Default maximum icon width / height
*
* @var int
*/
const DEFAULT_MAXLENGTH = 1000;
/**
* Default padding around the icons (pixel)
*
* @var int
*/
const DEFAULT_PADDING = 0;
/**
* Character sequence for denoting pseudo-selectors
*
* @var string
*/
const PSEUDO_SPLIT = '~';
/**
* Info message
*
* @var int
*/
const LOG_INFO = 0;
/**
* Creation message
*
* @var int
*/
const LOG_CREATE = 1;
/**
* Alert message
*
* @var int
*/
const LOG_ALERT = 2;
/**
* Group message
*
* @var int
*/
const LOG_GROUP = 3;
/**
* Error message
*
* @var int
*/
const LOG_ERROR = 4;
/**
* PCRE character class for the first char of XML IDs
*
* @var string
*/
const PCRE_ID_START_CHARS = 'A-Za-z\:\_\xC0-\xD6\xD8-\xF6\xF8-\x{2FF}\x{370}-\x{37D}\x{37F}-\x{1FFF}\x{200C}-\x{200D}\x{2070}-\x{218F}\x{2C00}-\x{2FEF}\x{3001}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFFD}\x{10000}-\x{EFFFF}';
/**
* PCRE character class for the first char of XML IDs
*
* @var string
*/
const PCRE_ID_FOLLOWER_CHARS = '\-\.\d\xB7\x{0300}-\x{036F}\x{203F}-\x{2040}';
/************************************************************************************************
* PUBLIC METHODS
***********************************************************************************************/
/**
* Constructor
*
* @return void
*/
public function __construct() {
$this->_cwd = getcwd();
// Find the binary helpers supported by the system
foreach ($this->_binaries as $name => $available) {
$return = 0;
$output = array();
$binary = @exec('which '.escapeshellarg($name), $output, $return);
$this->_binaries[$name] = (!intval($return) && strlen($binary)) ? $binary : false;
}
// Parse & validate the command line options
try {
$this->_options = new \Zend\Console\Getopt(array(
'out|o=s' => 'Output directory for the CSS files and the icons subdirectory',
'sassout=s' => 'Optional separate output directory for Sass files',
'css|c-s' => 'Render CSS files (optionally provide a CSS file prefix, default: iconizr)',
'sass|s-s' => 'Render Sass files (optionally provide a Sass file prefix, default: iconizr)',
'prefix|p=s' => 'CSS selector prefix (default: '.self::DEFAULT_PREFIX.')',
'level|l=i' => 'PNG image optimization level: 0 (no optimization), 1 (fast & rough) - 11 (slow & high quality), default: '.self::DEFAULT_LEVEL,
'quantize|q' => 'Quantize PNG images (reduce to 8-bit color depth)',
'embed|e=s' => 'Prefix to the CSS directory path for embedding the stylesheets into your HTML documents (default: no prefix, use output directory as root-relative path)',
'width=i' => 'Default icon width (if SVG is missing a width value; defaults to '.self::DEFAULT_LENGTH.' pixels)',
'height=i' => 'Default icon height (if SVG is missing a height value; defaults to '.self::DEFAULT_LENGTH.' pixels)',
'maxwidth=i' => 'Maximum icon width, default: '.self::DEFAULT_MAXLENGTH.' pixels',
'maxheight=i' => 'Maximum icon height, default: '.self::DEFAULT_MAXLENGTH.' pixels',
'padding=i' => 'Transparent padding around the icons (in pixel), default: '.self::DEFAULT_PADDING.' pixels',
'svg=i' => 'Data URI byte threshold for SVG files, default: '.self::DEFAULT_THRESHOLD_SVG,
'png=i' => 'Data URI byte threshold for PNG files, default: '.self::DEFAULT_THRESHOLD_PNG,
'pseudo=s' => 'Character sequence for denoting CSS pseudo classes, default: '.self::PSEUDO_SPLIT,
'dims|d' => 'Render icon dimensions as separate CSS and / or Sass rules',
'keep|k' => 'Keep intermediate SVG and PNG files (inside the sprite subdirectory)',
'verbose|v-i' => 'Output verbose progress information',
'scour=s' => 'Absolute path to scour script for cleaning SVG files (see http://www.codedread.com/scour)',
'python=s' => 'Absolute path to Python 2 binary (only necessary if another Python version is the machine default)',
));
$options = $this->_defaultOptions;
foreach ($this->_options->getOptions() as $option) {
$options[$option] = $this->_options->getOption($option);
}
// In case of errors: Die with a usage message
} catch(\Zend\Console\Exception\ExceptionInterface $e) {
$this->_usage($e->getMessage());
}
// Verify the output directory
if (array_key_exists('out', $options) && strlen($target = trim($options['out']))) {
$workingDirectory = rtrim($this->_cwd, DIRECTORY_SEPARATOR);
$target = rtrim(strncmp($target, DIRECTORY_SEPARATOR, 1) ? $workingDirectory.DIRECTORY_SEPARATOR.$target : $target, DIRECTORY_SEPARATOR);
if (strncmp($workingDirectory, $target, strlen($workingDirectory))) {
$this->_usage('The output directory must be a subdirectory of the current working directory');
}
if (@is_dir($target) || @mkdir($target, 0777, true)) {
$this->_target = $target.DIRECTORY_SEPARATOR;
}
}
if ($this->_target === null) {
$this->_usage('Please provide a valid output directory');
}
// Determine the HTML embed CSS directory path
$this->_embed = rtrim((array_key_exists('embed', $options) && strlen($options['embed'])) ? $options['embed'] : '', DIRECTORY_SEPARATOR).'/';
// Verify the Python binary
if (strlen($options['python']) && @is_file($options['python']) && ($this->_pythonMajorVersion($options['python']) == 2)) {
$this->_binaries['python'] = $options['python'];
} elseif ($this->_binaries['python'] && ($this->_pythonMajorVersion($this->_binaries['python']) != 2)) {
$this->_binaries['python'] = null;
}
// Select Scour als SVG cleaner if possible
$this->_scour = (strlen(trim($options['scour'])) && @is_readable($options['scour'])) ? trim($options['scour']) : null;
// Set the CSS class prefix
$this->_prefix = strlen(trim($options['prefix'])) ? trim($options['prefix']) : self::DEFAULT_PREFIX;
// Determine default and maximum icon width & height
$this->_width = max(1, min(1000, intval($options['width'])));
$this->_height = max(1, min(1000, intval($options['height'])));
$this->_maxwidth = max($this->_width, intval($options['maxwidth']));
$this->_maxheight = max($this->_width, intval($options['maxheight']));
$this->_padding = max($this->_padding, intval($options['padding']));
// Determine quantize speed, optimization level and other flags
$level = max(0, min(11, intval($options['level']))) - 1;
$this->_optimize = $level >= 0;
$this->_speed = $this->_optimize ? round(10 - (9 * $level / 10)) : 0;
$this->_optimization = $this->_optimize ? round($level * 7 / 10) : 0;
$this->_thresholds[self::SVG] = max(1024, intval($options['svg']));
$this->_thresholds[self::PNG] = max(1024, intval($options['png']));
$this->_flags['css'] = (is_string($options['css']) && strlen(trim($options['css']))) ? trim($options['css']) : (intval($options['css']) ? self::DEFAULT_FILE : false);
$this->_flags['sass'] = (is_string($options['sass']) && strlen(trim($options['sass']))) ? trim($options['sass']) : (intval($options['sass']) ? self::DEFAULT_FILE : false);
$this->_flags['verbose'] = intval($options['verbose']);
$this->_flags['quantize'] = !!$options['quantize'];
$this->_flags['dims'] = !!$options['dims'];
$this->_flags['keep'] = !!$options['keep'];
$this->_flags['pseudo'] = strlen(trim($options['pseudo'])) ? trim($options['pseudo']) : self::PSEUDO_SPLIT;
// Determine Sass output directory (if any)
if ($this->_flags['sass']) {
$this->_sassTarget = $this->_target;
if (array_key_exists('sassout', $options) && strlen($sassTarget = trim($options['sassout']))) {
$sassTarget = rtrim(strncmp($sassTarget, DIRECTORY_SEPARATOR, 1) ? $workingDirectory.DIRECTORY_SEPARATOR.$sassTarget : $sassTarget, DIRECTORY_SEPARATOR);
if (strncmp($workingDirectory, $sassTarget, strlen($workingDirectory))) {
$this->_usage('The sass output directory must be a subdirectory of the current working directory');
}
if (@is_dir($sassTarget) || @mkdir($sassTarget, 0777, true)) {
$this->_sassTarget = $sassTarget.DIRECTORY_SEPARATOR;
}
}
}
// Prepare projected output elements
$outputElements = array();
if ($this->_flags['css'] !== false) {
$outputElements[] = $this->_target.$this->_flags['css'].'-svg-data.css';
$outputElements[] = $this->_target.$this->_flags['css'].'-svg-sprite.css';
$outputElements[] = $this->_target.$this->_flags['css'].'-png-data.css';
$outputElements[] = $this->_target.$this->_flags['css'].'-png-sprite.css';
$outputElements[] = $this->_target.$this->_flags['css'].'-loader-fragment.html';
$outputElements[] = $this->_target.$this->_flags['css'].'-preview.php';
}
if ($this->_flags['sass'] !== false) {
$outputElements[] = $this->_target.$this->_flags['sass'].'-svg-data.scss';
$outputElements[] = $this->_target.$this->_flags['sass'].'-svg-sprite.scss';
$outputElements[] = $this->_target.$this->_flags['sass'].'-png-data.scss';
$outputElements[] = $this->_target.$this->_flags['sass'].'-png-sprite.scss';
}
// Extract and run through all directories
foreach ($this->_options->getRemainingArgs() as $dir) {
$dir = @realpath($dir);
if (strlen($dir) && @is_dir($dir)) {
$this->_dirs[$dir] = array();
// Gather all SVG files in the directory
foreach (scandir($dir) as $file) {
$absFile = $dir.DIRECTORY_SEPARATOR.$file;
if (@is_file($absFile) && (($extension = strtolower(pathinfo($absFile, PATHINFO_EXTENSION))) == 'svg')) {
$this->_dirs[$dir][] = $file;
}
}
// If there are SVG files to be converted
if (count($this->_dirs[$dir])) {
$this->_target.$this->_uniqueName($dir);
// Else: Drop the input directory again
} else {
unset($this->_dirs[$dir]);
}
}
}
// Register the unique output directory names
$outputElements = array_merge($outputElements, array_values($this->_uniqueDirs));
// If at least one input directory is given
if (count($this->_dirs)) {
$cssFiles = array();
// Remove output elements if already present
$this->_delete($outputElements);
// Run through all directories and create icon packs
foreach ($this->_dirs as $directory => $icons) {
$this->_createIconStack($directory, $icons);
}
// Write out all CSS code
if ($this->_flags['css'] !== false) {
foreach ($this->_css as $type => $modeContent) {
foreach ($modeContent as $mode => $content) {
if (is_array($content) && count($content)) {
$css = $this->_target.$this->_flags['css'].'-'.$type.'-'.$mode.'.css';
if (file_put_contents($css, implode("\n", $content))) {
if (!array_key_exists($type, $cssFiles)) {
$cssFiles[$type] = array();
}
$cssFiles[$type][$mode] = strtr(ltrim(substr($css, strlen($workingDirectory)), DIRECTORY_SEPARATOR), DIRECTORY_SEPARATOR, '/');
}
}
}
}
}
// Write out all Sass code
if ($this->_flags['sass'] !== false) {
foreach ($this->_sass as $type => $modeContent) {
foreach ($modeContent as $mode => $content) {
if (is_array($content) && count($content)) {
file_put_contents($this->_sassTarget.$this->_flags['sass'].'-'.$type.'-'.$mode.'.scss', implode("\n", $content));
}
}
}
}
// Write the loader fragment
if (count($cssFiles)) {
$this->_createPreviewAndLoaderFragment($cssFiles);
}
// Else
} else {
$this->_usage('Please provide at least one input directory containing SVG files');
}
}
/************************************************************************************************
* PRIVATE METHODS
***********************************************************************************************/
/**
* Create the loader HTML fragment for the generated CSS files
*
* @param array $css Generated CSS files
* @return void
*/
protected function _createPreviewAndLoaderFragment(array $css) {
// Prepare the loader script fragment
$this->_log('Creating the stylesheet loader fragment', self::LOG_CREATE);
$loader = '<script type="text/javascript" title="https://iconizr.com | © '.date('Y').' Joschi Kuphal | MIT">';
$loader .= file_get_contents(__DIR__.DIRECTORY_SEPARATOR.'src'.DIRECTORY_SEPARATOR.'iconizr.min.js');
$loader .= '</script>';
$loader .= '<noscript><link href="'.$this->_embed.htmlspecialchars($css[self::PNG][self::SPRITE]).'" rel="stylesheet" type="text/css" media="all"></noscript>';
file_put_contents($this->_target.$this->_flags['css'].'-loader-fragment.html', sprintf($loader, $this->_embed.htmlspecialchars($css[self::PNG][self::SPRITE]), $this->_embed.htmlspecialchars($css[self::PNG][self::DATA]), $this->_embed.htmlspecialchars($css[self::SVG][self::SPRITE]), $this->_embed.htmlspecialchars($css[self::SVG][self::DATA])));
// Create the preview documents
$this->_log('Creating the icon kit preview documents', self::LOG_CREATE);
$stylesheets = array('' => 'Automatic detection');
if ($this->_flags['keep']) {
$stylesheets[basename($css[self::PNG][self::SINGLE])] = 'PNG single images';
}
$stylesheets[basename($css[self::PNG][self::SPRITE])] = 'PNG sprite';
$stylesheets[basename($css[self::PNG][self::DATA])] = 'PNG data URIs';
if ($this->_flags['keep']) {
$stylesheets[basename($css[self::SVG][self::SINGLE])] = 'SVG single images';
}
$stylesheets[basename($css[self::SVG][self::SPRITE])] = 'SVG sprite';
$stylesheets[basename($css[self::SVG][self::DATA])] = 'SVG data URIs';
// Prepare the preview document
$preview = array(
'primer' => '<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta http-equiv="cache-control" content="max-age=0"/><meta http-equiv="cache-control" content="no-cache"/><meta http-equiv="expires" content="0"/><meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT"/><meta http-equiv="pragma" content="no-cache"/><title>Icon kit preview | iconizr.com</title>',
'css' => '',
'styles' => '<style type="text/css">@CHARSET "UTF-8";body{padding:0;margin:0;color:#666;background:#fafafa;font-family:Arial, Helvetica, sans-serif;font-size:1em;line-height:1.4}header{display:block;padding:3em 3em 2em 3em;background-color:#fff}header p{margin:2em 0 0 0}#logo{font-size:xx-large;font-size:3rem;padding:0;margin:0;height:53px;background:url(data:image/png;base64,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) center left no-repeat;white-space:nowrap;overflow:hidden;text-indent:100%}nav{font-size:.7em;display:block;width:100%;margin:0 0 2em 0}nav a{display:inline-block;text-decoration:none;margin-left:2em;color:#0f7595;white-space:nowrap}nav a:hover{text-decoration:underline}nav a.current{font-weight:bold;text-decoration:underline;color:#666}section{border-top:1px solid #eee;padding:2em 3em 0 3em}ul{margin:0;padding:0}li{display:inline;display:inline-block;background-color:#fff;position:relative;margin:0 2em 2em 0;vertical-align:top;border:1px solid #ccc;padding:1em 1em 3em 1em;cursor:default}.icon-box{margin:0;width:144px;height:144px;position:relative;background:#ccc url(data:image/gif;base64,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) top left repeat;border:1px solid #ccc;display:table-cell;vertical-align:middle;text-align:center}.icon{display:inline;display:inline-block}h2{margin:0;padding:0;font-size:1em;font-weight:normal;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;position:absolute;left:1em;right:1em;bottom:1em}footer{display:block;margin:0;padding:0 3em 3em 3em}footer p{margin:0;font-size:.7em}footer a{color:#0f7595;margin-left:0}</style>',
'prenav' => '</head><body><header><h1 id="logo">iconizr</h1><p>These are the <strong>'.count($this->_iconNames).' icons</strong> contained in your icon kit, along with their CSS class names.</p></header><section><nav>Icon type:',
'typelinks' => '',
'postnav' => '</nav><ul>',
'icons' => '',
'end' => '</ul></section><footer><p>Generated at '.gmdate('D, d M Y H:i:s', time()).' GMT by <a href="http://iconizr.com" target="_blank">iconizr</a>.</p></footer></body></html>',
);
// Render the icon previews
foreach ($this->_iconNames as $icon) {
$pseudoClassPos = strrpos($icon, $this->_flags['pseudo']);
$icon = ($pseudoClassPos === false) ? $icon : substr($icon, 0, $pseudoClassPos).':'.substr($icon, $pseudoClassPos + 1);
$preview['icons'] .= '<li title="'.$icon.'"><div class="icon-box"><div class="icon '.$icon.' '.$icon.'-dims"><!-- '.$icon.' --></div></div><h2>'.$icon.'</h2></li>';
}
// Run through all available icon types / style sheets
foreach ($stylesheets as $stylesheet => $label) {
$iconTypePreview = $preview;
$iconTypePreview['css'] = strlen($stylesheet) ? '<link href="'.htmlspecialchars($stylesheet).'" rel="stylesheet" type="text/css" media="all"/>' : sprintf($loader, htmlspecialchars(basename($css[self::PNG][self::SPRITE])), htmlspecialchars(basename($css[self::PNG][self::DATA])), htmlspecialchars(basename($css[self::SVG][self::SPRITE])), htmlspecialchars(basename($css[self::SVG][self::DATA])));
// Run through all available icon types and create the navigation elements
foreach ($stylesheets as $linkStylesheet => $linkLabel) {
$linkIconPreviewFilename = strlen($linkStylesheet) ? pathinfo($linkStylesheet, PATHINFO_FILENAME).'-preview.html' : $this->_flags['css'].'-preview.html';
$currentIconType = $stylesheet == $linkStylesheet;
$iconTypePreview['typelinks'] .= '<a href="'.$linkIconPreviewFilename.'"'.($currentIconType ? ' class="current"' : '').'>'.htmlspecialchars($linkLabel).'</a>';
}
$previewFilename = strlen($stylesheet) ? pathinfo($stylesheet, PATHINFO_FILENAME).'-preview.html' : $this->_flags['css'].'-preview.html';
// Write the preview file to disk
file_put_contents($this->_target.$previewFilename, implode('', $iconTypePreview));
}
}
/**
* Create a single icon stack
*
* @param string $directory Directory
* @param array $icons SVG icons
* @return void
*/
protected function _createIconStack($directory, array $icons) {
$this->_log(sprintf('Processing icon directory "%s"', substr($directory, strlen($this->_cwd) + 1)), self::LOG_INFO);
// Create a temporary directory
$this->_tmpResources = array();
$this->_tmpName = $this->_uniqueName($directory);
$this->_tmpDir = $this->_target.$this->_tmpName;
if (!@is_dir($this->_tmpDir) && !@mkdir($this->_tmpDir, 0777, true)) {
$this->_error(sprintf('Could not create temporary directory "%s", exiting', $this->_tmpDir));
}
// Prepare variables
$this->_dimensions[$directory] = array();
$this->_dataUris[$directory] =
$this->_useSprite[$directory] = array(
self::SVG => array(),
self::PNG => array(),
);
// Process the SVG icons
$this->_processSVGIcons($directory, $icons);
// Process the PNG icons
$this->_processPNGIcons($directory, $icons);
// Remove the intermediate files if they shouldn't be kept
if (!$this->_flags['keep']) {
$this->_delete($this->_tmpResources);
}
}
/**
* Process the SVG icons
*
* @param string $directory Directory
* @param array $icons SVG icons
* @return void
*/
protected function _processSVGIcons($directory, array &$icons) {
$this->_logGroupStart('Processing SVG icons ...');
$optimizeSVG = false;
// If the SVG files should be optimized using Scour
if ($this->_scour && $this->_binaries['python']) {
$this->_logGroupStart('Optimizing SVG icons using Scour ...');
$optimizeSVG = true;
// If the SVG files should be optimized using SVGO
} elseif ($this->_binaries['svgo']) {
$this->_logGroupStart('Optimizing SVG icons using SVGO '.($this->_scour ? '(No Scour due to missing Python 2 support) ' : '').'...');
$optimizeSVG = true;
}
// Run through all icons
foreach ($icons as $iconIndex => $icon) {
/**
* Resolve all named entities inside the SVG document
*
* @see https://github.com/jkphl/iconizr/issues/5#issuecomment-23448050
*/
try {
$iconSVG = new \DOMDocument();
$iconSVG->load($directory.DIRECTORY_SEPARATOR.$icon, LIBXML_NOENT);
$iconSVG->save($directory.DIRECTORY_SEPARATOR.$icon);
unset($iconSVG);
// If an error had occured
} catch (\Exception $e) {
$this->_error(sprintf('The icon "%s" seems to be no valid XML document, skipping ...: %s', basename($targetIcon), $e->getMessage()), false, 0);
continue;
}
$iconName = pathinfo($icon, PATHINFO_FILENAME);
$this->_iconNames[] = (strlen($this->_prefix) ? $this->_prefix : $this->_tmpName).'-'.$iconName;
$this->_tmpResources[] =
$targetIcon = $this->_tmpDir.DIRECTORY_SEPARATOR.$icon;
$iconOptimized = false;
// If the Scour script is available
if ($optimizeSVG && $this->_scour && $this->_binaries['python']) {
$this->_log(sprintf('[%s/%s] Optimizing SVG icon "%s" using Scour', $iconIndex + 1, count($icons), basename($targetIcon)));
// If an optimized copy of the icon can be created ...
if ($this->_do($this->_binaries['python'], array(
array($this->_scour),
'--create-groups',
'--enable-comment-stripping',
'--remove-metadata',
'--indent=none',
'--renderer-workaround',
'--strip-xml-prolog',
'-q',
'-i' => $directory.DIRECTORY_SEPARATOR.$icon,
'-o' => $targetIcon,
))) {
$iconOptimized = true;
// Else: Error and fallback to SVGO (if available)
} else {
$this->_error(sprintf('Optimization of icon "%s" with Scour failed, skipping ...', basename($targetIcon)), false, 0);
}
}
// If the SVGO binary is available
if ($optimizeSVG && !$iconOptimized && $this->_binaries['svgo']) {
$this->_log(sprintf('[%s/%s] Optimizing SVG icon "%s" using SVGO', $iconIndex + 1, count($icons), basename($targetIcon)));
// If an optimized copy of the icon can be created ...
if ($this->_do($this->_binaries['svgo'], array(
'-i' => $directory.DIRECTORY_SEPARATOR.$icon,
'-o' => $targetIcon,
))) {
$iconOptimized = true;
// Else: Error and fallback to the unoptimized SVG file
} else {
$this->_error(sprintf('Optimization of icon "%s" with SVGO failed, skipping ...', basename($targetIcon)), false, 0);
}
}
// If the unoptimized SVG file is to be used
if (!$iconOptimized && !@copy($directory.DIRECTORY_SEPARATOR.$icon, $targetIcon)) {
$this->_error(sprintf('Could not copy icon "%s", exiting', basename($targetIcon)));
}
try {
// Sanitize and prepare optimized SVG file
$this->_sanitizeSVGIcon($directory, $iconName, $targetIcon);
// Create and register a data URI for this PNG icon
$this->_registerDataURI($directory, self::SVG, $iconName, $targetIcon);
$this->_useSprite[$directory][self::SVG][$iconName] = $targetIcon;
// If an error had occured
} catch (\Exception $e) {
$this->_error(sprintf('The icon "%s" could not be processed due to the following error: %s', basename($targetIcon), $e->getMessage()));
}
}
// If optimization has taken place
if ($optimizeSVG) {
$this->_logGroupEnd();
}
// If single image icons should be created / kept
if ($this->_flags['keep']) {
// If CSS rules shall be generated
if ($this->_flags['css'] !== false) {
$this->_css[self::SVG][self::SINGLE] = array_merge($this->_css[self::SVG][self::SINGLE], $this->_createSingleImageCssRules($directory, $this->_useSprite[$directory][self::SVG], self::SVG));
}
// If Sass rules shall be generated
if ($this->_flags['sass'] !== false) {
$this->_sass[self::SVG][self::SINGLE] = array_merge($this->_sass[self::SVG][self::SINGLE], $this->_createSingleImageSassRules($directory, $this->_useSprite[$directory][self::SVG], self::SVG));
}
}
// If data URIs can be used
if ($dataUris = is_array($this->_dataUris[$directory][self::SVG])) {
// If CSS rules shall be generated
if ($this->_flags['css'] !== false) {
$this->_css[self::SVG][self::DATA] = array_merge($this->_css[self::SVG][self::DATA], $this->_createDataURICssRules($directory, $this->_dataUris[$directory][self::SVG], self::SVG));
}
// If Sass rules shall be generated
if ($this->_flags['sass'] !== false) {
$this->_sass[self::SVG][self::DATA] = array_merge($this->_sass[self::SVG][self::DATA], $this->_createDataURISassRules($directory, $this->_dataUris[$directory][self::SVG], self::SVG));
}
}
// Create SVG sprite and appropriate rules
$this->_createSVGIconSpriteAndRules($directory, $this->_useSprite[$directory][self::SVG], !$dataUris);
$this->_logGroupEnd();
}
/**
* Process the PNG icons
*
* @param string $directory Directory
* @param array $icons SVG icons
* @return void
*/
protected function _processPNGIcons($directory, array $icons) {
$this->_logGroupStart('Processing PNG icons ...');
// If the phantomJS binary is available
if ($this->_binaries['phantomjs']) {
chdir($this->_tmpDir);
$icons = array();
// Run through all icons, create phantomJS scripts an run phantomJS
foreach ($this->_useSprite[$directory][self::SVG] as $name => $icon) {
try {
$icons[] = array_merge(array(basename($icon), $name.'.png'), $this->_getIconDimensions($directory, $icon, $name));
$this->_tmpResources[] =
$this->_useSprite[$directory][self::PNG][$name] = $this->_tmpDir.DIRECTORY_SEPARATOR.$name.'.png';
} catch (\Exception $e) {
$this->_error('Problem processing icon "%s": '.$e->getMessage(), $name);
}
}
$phantomJSScript = $this->_tmpDir.DIRECTORY_SEPARATOR.'iconizr.js';
if (!@file_put_contents($phantomJSScript, sprintf(self::$_phantomJSSCript, json_encode($icons)))) {
$this->_error('Could not create PhantomJS script file, exiting');
}
$this->_log('Rendering SVG icons to PNG images ...');
$rendered = $this->_do($this->_binaries['phantomjs'], array('iconizr.js'));
@unlink($phantomJSScript);
if (!$rendered) {
$this->_error('Could not render SVG images, exiting');
}
// If PNG optimization should happen: Optimize and run through als PNG images
if ($this->_optimize) {
$this->_logGroupStart('Optimizing PNG images ...');
$optimizePNGImages = $this->_optimizePNGImages($this->_useSprite[$directory][self::PNG]);
foreach ($optimizePNGImages as $png => $optimized) {
$targetIcon = $this->_tmpDir.DIRECTORY_SEPARATOR.$optimized;
if (($targetIcon != $png) && (filesize($targetIcon) < filesize($png))) {
unlink($png);
rename($targetIcon, $png);
}
// Create and register a data URI for this PNG icon
$this->_registerDataURI($directory, self::PNG, array_search($png, $this->_useSprite[$directory][self::PNG]), $png);
}
$this->_logGroupEnd();
// Else: Create data URIs for the unoptimized PNG images
} else {
foreach ($this->_useSprite[$directory][self::PNG] as $icon => $png) {
$this->_registerDataURI($directory, self::PNG, $icon, $png);
}
}
// If single image icons should be created / kept
if ($this->_flags['keep']) {
// If CSS rules shall be generated
if ($this->_flags['css'] !== false) {
$this->_css[self::PNG][self::SINGLE] = array_merge($this->_css[self::PNG][self::SINGLE], $this->_createSingleImageCssRules($directory, $this->_useSprite[$directory][self::PNG], self::PNG));
}
// If Sass rules shall be generated
if ($this->_flags['sass'] !== false) {
$this->_sass[self::PNG][self::SINGLE] = array_merge($this->_sass[self::PNG][self::SINGLE], $this->_createSingleImageSassRules($directory, $this->_useSprite[$directory][self::PNG], self::PNG));
}
}
// If data URIs can be used
if ($dataUris = is_array($this->_dataUris[$directory][self::PNG])) {
// If CSS rules shall be generated
if ($this->_flags['css'] !== false) {
$this->_css[self::PNG][self::DATA] = array_merge($this->_css[self::PNG][self::DATA], $this->_createDataURICssRules($directory, $this->_dataUris[$directory][self::PNG], self::PNG));
}
// If Sass rules shall be generated
if ($this->_flags['sass'] !== false) {
$this->_sass[self::PNG][self::DATA] = array_merge($this->_sass[self::PNG][self::DATA], $this->_createDataURISassRules($directory, $this->_dataUris[$directory][self::PNG], self::PNG));
}
}
// Create PNG sprite and appropriate rules
$this->_createPNGIconSpriteAndRules($directory, $this->_useSprite[$directory][self::PNG], !$dataUris);
}
$this->_logGroupEnd();
}
/**
* Create and register a data URI for a file
*
* @param string $directory Directory
* @param string $type Icon type
* @param string $name Icon name
* @param string $file Icon
* @return void
*/
protected function _registerDataURI($directory, $type, $name, $file) {
if (is_array($this->_dataUris[$directory][$type])) {
$this->_dataUris[$directory][$type][$name] = ($type == self::PNG) ? 'data:image/png;base64,'.base64_encode(file_get_contents($file)) : 'data:image/svg+xml,'.rawurlencode(@file_get_contents($file));
if (($dataUriLength = strlen($this->_dataUris[$directory][$type][$name])) > $this->_thresholds[$type]) {
$this->_dataUris[$directory][$type] = false;
$this->_log(sprintf('Data URI for icon "%s" exceeds %s byte limit (%s), switching to sprite only mode', basename($file), $this->_thresholds[$type], $dataUriLength), self::LOG_ALERT);
}
}
}
/**
* Determine the dimensions of an icon
*
* @param string $directory Directory
* @param string\DOMDocument $icon Icon
* @param string $name Icon name
* @return array Dimensions (width & height)
*/
protected function _getIconDimensions($directory, $icon, $name) {
if (!array_key_exists($directory, $this->_dimensions)) {
$this->_dimensions[$directory] = array();
}
if (!array_key_exists($name, $this->_dimensions[$directory])) {
// Determine the real icon dimensions (with fallback to the default dimensions)