mirror of
https://github.com/Lastorder-DC/rhymix.git
synced 2026-01-03 08:41:39 +09:00
520 lines
14 KiB
PHP
520 lines
14 KiB
PHP
<?php
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namespace Rhymix\Framework;
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/**
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* The formatter class.
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*/
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class Formatter
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{
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/**
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* Options for text to HTML conversion.
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*/
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const TEXT_NEWLINE_AS_P = 1;
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const TEXT_DOUBLE_NEWLINE_AS_P = 2;
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/**
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* Options for Markdown to HTML conversion.
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*/
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const MD_NEWLINE_AS_BR = 16;
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const MD_ENABLE_EXTRA = 128;
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/**
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* Convert plain text to HTML.
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*
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* @param string $text
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* @param int $options (optional)
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* @return string
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*/
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public static function text2html($text, $options = 0)
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{
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// This option uses <p> instead of <br> to separate lines.
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if ($options & self::TEXT_NEWLINE_AS_P)
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{
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$lines = array_map('trim', explode("\n", escape(trim($text))));
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$result = '';
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foreach ($lines as $line)
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{
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$result .= "<p>$line</p>\n";
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}
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return $result;
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}
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// This option uses <br> to separate lines and <p> to separate paragraphs.
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if ($options & self::TEXT_DOUBLE_NEWLINE_AS_P)
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{
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$lines = preg_replace('!(<br />)+\s*$!', '', nl2br(escape(trim($text))));
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$lines = preg_split('!(<br />\s*)+<br />!', $lines);
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$result = '';
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foreach ($lines as $line)
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{
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$result .= "<p>\n" . trim($line) . "\n</p>\n";
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}
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return $result;
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}
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// The default is to use <br> always.
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return nl2br(escape(trim($text))) . "<br />\n";
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}
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/**
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* Convert HTML to plain text.
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*
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* @param string $html
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* @return string
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*/
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public static function html2text($html)
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{
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// Add line breaks after <br> and <p> tags.
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$html = preg_replace('!<br[^>]*>\s*!i', "\n", $html);
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$html = preg_replace('!<p\b[^>]*>\s*!i', '', $html);
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$html = preg_replace('!</p[^>]*>\s*!i', "\n\n", $html);
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// Encode links and images to preserve essential information.
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$html = preg_replace_callback('!<a\b[^>]*href="([^>"]+)"[^>]*>([^<]*)</a>!i', function($matches) {
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return trim($matches[2] . ' <' . $matches[1] . '>');
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}, $html);
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$html = preg_replace_callback('!<img\b[^>]*src="([^>"]+)"[^>]*>!i', function($matches) {
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$title = preg_match('!title="([^>"]+)"!i', $matches[0], $m) ? $m[1] : null;
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$title = $title ?: (preg_match('!alt="([^>"]+)"!i', $matches[0], $m) ? $m[1] : 'IMAGE');
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return trim('[' . $title . '] <' . $matches[1] . '>');
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}, $html);
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// Strip all other HTML.
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$text = html_entity_decode(strip_tags($html));
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unset($html);
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// Normalize whitespace and return.
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$text = str_replace("\r\n", "\n", $text);
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$text = preg_replace('/\n(?:\s*\n)+/', "\n\n", $text);
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return trim($text) . "\n";
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}
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/**
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* Convert Markdown to HTML.
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*
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* @param string $markdown
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* @param int $options (optional)
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* @return string
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*/
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public static function markdown2html($markdown, $options = 0)
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{
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if ($options & self::MD_ENABLE_EXTRA)
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{
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$classes = array('footnote-ref', 'footnote-backref');
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$parser = new \Michelf\MarkdownExtra;
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$parser->fn_id_prefix = 'user_content_';
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}
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else
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{
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$classes = false;
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$parser = new \Michelf\Markdown;
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}
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if ($options & self::MD_NEWLINE_AS_BR)
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{
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$parser->hard_wrap = true;
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}
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$html = $parser->transform($markdown);
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return Filters\HTMLFilter::clean($html, $classes);
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}
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/**
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* Convert HTML to Markdown.
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*
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* @param string $html
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* @return string
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*/
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public static function html2markdown($html)
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{
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$converter = new \League\HTMLToMarkdown\HtmlConverter();
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$converter->getConfig()->setOption('bold_style', '**');
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$converter->getConfig()->setOption('strip_tags', true);
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return trim($converter->convert($html)) . "\n";
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}
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/**
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* Convert BBCode to HTML.
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*
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* @param string $bbcode
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* @return string
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*/
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public static function bbcode($bbcode)
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{
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$parser = new \JBBCode\Parser;
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$parser->addCodeDefinitionSet(new \JBBCode\DefaultCodeDefinitionSet());
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$builder = new \JBBCode\CodeDefinitionBuilder('quote', '<blockquote>{param}</blockquote>');
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$parser->addCodeDefinition($builder->build());
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$builder = new \JBBCode\CodeDefinitionBuilder('code', '<pre><code>{param}</code></pre>');
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$builder->setParseContent(false);
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$parser->addCodeDefinition($builder->build());
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$parser->parse($bbcode);
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$html = $parser->getAsHtml();
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return Filters\HTMLFilter::clean($html);
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}
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/**
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* Apply smart quotes and other stylistic enhancements to HTML.
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*
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* @param string $html
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* @return string
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*/
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public static function applySmartQuotes($html)
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{
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return \Michelf\SmartyPants::defaultTransform($html, 'qbBdDiew');
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}
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/**
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* Compile LESS into CSS.
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*
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* @param string|array $source_filename
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* @param string $target_filename
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* @param array $variables (optional)
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* @parsm bool $minify (optional)
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* @return bool
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*/
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public static function compileLESS($source_filename, $target_filename, $variables = array(), $minify = false)
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{
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// Get the cleaned and concatenated content.
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$content = self::concatCSS($source_filename, $target_filename);
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// Compile!
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try
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{
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$less_compiler = new \lessc;
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$less_compiler->setFormatter($minify ? 'compressed' : 'lessjs');
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$less_compiler->setImportDir(array(dirname(is_array($source_filename) ? array_first($source_filename) : $source_filename)));
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if ($variables)
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{
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$less_compiler->setVariables($variables);
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}
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$content = $less_compiler->compile($content) . "\n";
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$content = strpos($content, '@charset') === false ? ('@charset "UTF-8";' . "\n" . $content) : $content;
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$result = true;
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}
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catch (\Exception $e)
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{
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$content = '/*' . "\n" . 'Error while compiling LESS:' . "\n" . $e->getMessage() . "\n" . '*/' . "\n";
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$result = false;
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}
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// Save the result to the target file.
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Storage::write($target_filename, $content);
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return $result;
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}
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/**
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* Compile SCSS into CSS.
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*
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* @param string|array $source_filename
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* @param string $target_filename
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* @param array $variables (optional)
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* @parsm bool $minify (optional)
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* @return bool
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*/
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public static function compileSCSS($source_filename, $target_filename, $variables = array(), $minify = false)
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{
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// Get the cleaned and concatenated content.
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$content = self::concatCSS($source_filename, $target_filename);
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// Compile!
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try
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{
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$scss_compiler = new \ScssPhp\ScssPhp\Compiler;
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$scss_compiler->setOutputStyle($minify ? \ScssPhp\ScssPhp\OutputStyle::COMPRESSED : \ScssPhp\ScssPhp\OutputStyle::EXPANDED);
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$scss_compiler->setImportPaths(array(dirname(is_array($source_filename) ? array_first($source_filename) : $source_filename)));
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if ($variables)
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{
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$scss_compiler->setVariables($variables);
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}
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$content = $scss_compiler->compile($content) . "\n";
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$content = strpos($content, '@charset') === false ? ('@charset "UTF-8";' . "\n" . $content) : $content;
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$result = true;
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}
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catch (\Exception $e)
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{
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$content = '/*' . "\n" . 'Error while compiling SCSS:' . "\n" . $e->getMessage() . "\n" . '*/' . "\n";
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$result = false;
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}
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// Save the result to the target file.
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Storage::write($target_filename, $content);
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return $result;
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}
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/**
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* Minify CSS.
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*
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* @param string|array $source_filename
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* @param string $target_filename
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* @return bool
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*/
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public static function minifyCSS($source_filename, $target_filename)
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{
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$minifier = new \MatthiasMullie\Minify\CSS();
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$minifier->setMaxImportSize(5);
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$minifier->setImportExtensions(['svg' => 'data:image/svg+xml']);
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if (is_array($source_filename))
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{
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foreach ($source_filename as $filename)
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{
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$minifier->add($filename);
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}
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}
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else
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{
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$minifier->add($source_filename);
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}
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$content = $minifier->execute($target_filename);
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Storage::write($target_filename, $content);
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return strlen($content) ? true : false;
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}
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/**
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* Minify JS.
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*
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* @param string|array $source_filename
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* @param string $target_filename
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* @return bool
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*/
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public static function minifyJS($source_filename, $target_filename)
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{
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$minifier = new \MatthiasMullie\Minify\JS();
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if (is_array($source_filename))
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{
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foreach ($source_filename as $filename)
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{
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$minifier->add($filename);
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}
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}
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else
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{
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$minifier->add($source_filename);
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}
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$content = $minifier->execute($target_filename);
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Storage::write($target_filename, $content);
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return strlen($content) ? true : false;
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}
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/**
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* CSS concatenation subroutine for compileLESS() and compileSCSS().
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*
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* @param string|array $source_filename
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* @param string $target_filename
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* @param bool $add_comment
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* @return string
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*/
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public static function concatCSS($source_filename, $target_filename, $add_comment = true)
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{
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$result = '';
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if (!is_array($source_filename))
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{
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$source_filename = array($source_filename);
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}
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foreach ($source_filename as $filename)
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{
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// Get the media query.
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if (is_array($filename) && count($filename) >= 2)
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{
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list($filename, $media) = $filename;
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}
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else
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{
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$media = null;
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}
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// Clean the content.
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$content = utf8_clean(file_get_contents($filename));
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// Convert all paths in LESS and SCSS imports, too.
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$import_type = ends_with('.scss', $filename) ? 'scss' : 'normal';
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$content = preg_replace_callback('/@import\s+(?:\\([^()]+\\))?([^;]+);/', function($matches) use($filename, $target_filename, $import_type) {
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$import_content = '';
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$import_files = array_map(function($str) use($filename, $import_type) {
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$str = trim(trim(trim(preg_replace('/^url\\(([^()]+)\\)$/', '$1', trim($str))), '"\''));
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if ($import_type === 'scss')
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{
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if (($dirpos = strrpos($str, '/')) !== false)
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{
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$basename = substr($str, $dirpos + 1);
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if (!ends_with('.scss', $basename))
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{
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$basename = '_' . $basename . '.scss';
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}
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return dirname($filename) . '/' . substr($str, 0, $dirpos) . '/' . $basename;
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}
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else
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{
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$basename = $str;
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if (!ends_with('.scss', $basename))
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{
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$basename = '_' . $basename . '.scss';
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}
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return dirname($filename) . '/' . $basename;
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}
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}
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else
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{
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return dirname($filename) . '/' . $str;
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}
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}, explode(',', $matches[1]));
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foreach ($import_files as $import_filename)
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{
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if (file_exists($import_filename))
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{
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$import_content .= self::concatCSS($import_filename, $target_filename, false);
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}
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}
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return trim($import_content);
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}, $content);
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// Convert all paths to be relative to the new filename.
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$path_converter = new \MatthiasMullie\PathConverter\Converter($filename, $target_filename);
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$content = preg_replace_callback('/\burl\\(([^)]+)\\)/iU', function($matches) use ($path_converter) {
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$url = trim($matches[1], '\'"');
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if (!strlen($url) || $url[0] === '/' || preg_match('#^(?:https?|data):#', $url))
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{
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return $matches[0];
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}
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else
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{
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return 'url("' . str_replace('\\$', '$', escape_dqstr($path_converter->convert($url))) . '")';
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}
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}, $content);
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unset($path_converter);
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// Wrap the content in a media query if there is one.
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if ($media !== null)
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{
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$content = "@media $media {\n\n" . trim($content) . "\n\n}";
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}
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// Append to the result string.
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$original_filename = starts_with(\RX_BASEDIR, $filename) ? substr($filename, strlen(\RX_BASEDIR)) : $filename;
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if ($add_comment)
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{
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$result .= '/* Original file: ' . $original_filename . ' */' . "\n\n" . trim($content) . "\n\n";
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}
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else
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{
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$result .= trim($content) . "\n\n";
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}
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}
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return $result;
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}
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/**
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* JS concatenation subroutine.
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*
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* @param string|array $source_filename
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* @param string $target_filename
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* @return string
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*/
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public static function concatJS($source_filename, $target_filename)
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{
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$result = '';
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if (!is_array($source_filename))
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{
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$source_filename = array($source_filename);
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}
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foreach ($source_filename as $filename)
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{
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// Get the IE condition.
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if (is_array($filename) && count($filename) >= 2)
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{
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list($filename, $targetie) = $filename;
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}
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else
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{
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$targetie = null;
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}
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// Clean the content.
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$content = utf8_clean(file_get_contents($filename));
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// Wrap the content in an IE condition if there is one.
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if ($targetie !== null)
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{
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$content = 'if (' . self::convertIECondition($targetie) . ') {' . "\n\n" . trim($content) . ";\n\n" . '}';
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}
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// Append to the result string.
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$original_filename = starts_with(\RX_BASEDIR, $filename) ? substr($filename, strlen(\RX_BASEDIR)) : $filename;
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$result .= '/* Original file: ' . $original_filename . ' */' . "\n\n" . trim($content) . ";\n\n";
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}
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return $result;
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}
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/**
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* Convert IE conditional comments to JS conditions.
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*
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* @param string $condition
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* @return string
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*/
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public static function convertIECondition($condition)
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{
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$conversions = array(
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'/^true$/i' => 'true',
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'/^false$/i' => 'false',
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'/^IE$/i' => 'window.navigator.userAgent.match(/MSIE\s/)',
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'/^IE\s*(\d+)$/i' => '(/MSIE (\d+)/.exec(window.navigator.userAgent) && /MSIE (\d+)/.exec(window.navigator.userAgent)[1] == %d)',
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'/^gt IE\s*(\d+)$/i' => '(/MSIE (\d+)/.exec(window.navigator.userAgent) && /MSIE (\d+)/.exec(window.navigator.userAgent)[1] > %d)',
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'/^gte IE\s*(\d+)$/i' => '(/MSIE (\d+)/.exec(window.navigator.userAgent) && /MSIE (\d+)/.exec(window.navigator.userAgent)[1] >= %d)',
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'/^lt IE\s*(\d+)$/i' => '(/MSIE (\d+)/.exec(window.navigator.userAgent) && /MSIE (\d+)/.exec(window.navigator.userAgent)[1] < %d)',
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'/^lte IE\s*(\d+)$/i' => '(/MSIE (\d+)/.exec(window.navigator.userAgent) && /MSIE (\d+)/.exec(window.navigator.userAgent)[1] <= %d)',
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);
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$result = array();
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$conditions = preg_split('/([\&\|])/', $condition, -1, \PREG_SPLIT_NO_EMPTY | \PREG_SPLIT_DELIM_CAPTURE);
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foreach ($conditions as $condition)
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{
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$condition = trim(preg_replace('/[\(\)]/', '', $condition));
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if ($condition === '')
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{
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continue;
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}
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if ($condition === '&' || $condition === '|')
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{
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$result[] = $condition . $condition;
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continue;
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}
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$negation = $condition[0] === '!';
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if ($negation)
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{
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$condition = trim(substr($condition, 1));
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}
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foreach ($conversions as $regexp => $replacement)
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{
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if (preg_match($regexp, $condition, $matches))
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{
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if (count($matches) > 1)
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{
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array_shift($matches);
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$result[] = ($negation ? '!' : '') . vsprintf($replacement, $matches);
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}
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else
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{
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$result[] = ($negation ? '!' : '') . $replacement;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return count($result) ? implode(' ', $result) : 'false';
|
|
}
|
|
}
|