public static function langs()
{
if (self::$langs == NULL) {
self::$langs = new CrayonLangs();
}
return self::$langs;
}
public static function init_settings()
{
if (!self::$settings) {
// Add settings
self::$settings = array('home_url' => home_url(), 'css' => 'crayon-te', 'css_selected' => 'crayon-selected', 'code_css' => '#crayon-code', 'url_css' => '#crayon-url', 'url_info_css' => '#crayon-te-url-info', 'lang_css' => '#crayon-lang', 'title_css' => '#crayon-title', 'mark_css' => '#crayon-mark', 'range_css' => '#crayon-range', 'inline_css' => 'crayon-inline', 'inline_hide_css' => 'crayon-hide-inline', 'inline_hide_only_css' => 'crayon-hide-inline-only', 'hl_css' => '#crayon-highlight', 'switch_html' => '#content-html', 'switch_tmce' => '#content-tmce', 'tinymce_button' => 'a.mce_crayon_tinymce', 'submit_css' => '#crayon-te-ok', 'cancel_css' => '#crayon-te-cancel', 'content_css' => '#crayon-te-content', 'dialog_title_css' => '#crayon-te-title', 'submit_wrapper_css' => '#crayon-te-submit-wrapper', 'data_value' => 'data-value', 'attr_sep' => CrayonGlobalSettings::val_str(CrayonSettings::ATTR_SEP), 'css_sep' => '_', 'fallback_lang' => CrayonGlobalSettings::val(CrayonSettings::FALLBACK_LANG), 'dialog_title_add' => crayon__('Add Crayon Code'), 'dialog_title_edit' => crayon__('Edit Crayon Code'), 'submit_add' => crayon__('Add'), 'submit_edit' => crayon__('Save'), 'bar' => '#crayon-te-bar', 'bar_content' => '#crayon-te-bar-content', 'extensions' => CrayonResources::langs()->extensions_inverted());
}
}
public static function langs()
{
echo '<a name="langs"></a>';
// Specialised dropdown for languages
if (array_key_exists(CrayonSettings::FALLBACK_LANG, self::$options)) {
if (($langs = CrayonParser::parse_all()) != FALSE) {
$langs = CrayonLangs::sort_by_name($langs);
self::span(crayon__('When no language is provided, use the fallback') . ': ');
self::dropdown(CrayonSettings::FALLBACK_LANG, FALSE, TRUE, TRUE, $langs);
// Information about parsing
$parsed = CrayonResources::langs()->is_parsed();
$count = count($langs);
echo '</select>', CRAYON_BR, $parsed ? '' : '<span class="crayon-error">', sprintf(crayon_n('%d language has been detected.', '%d languages have been detected.', $count), $count), ' ', $parsed ? crayon__('Parsing was successful') : crayon__('Parsing was unsuccessful'), $parsed ? '. ' : '</span>';
// Check if fallback from db is loaded
$db_fallback = self::$options[CrayonSettings::FALLBACK_LANG];
// Fallback name from db
if (!CrayonResources::langs()->is_loaded($db_fallback) || !CrayonResources::langs()->exists($db_fallback)) {
echo '<br/><span class="crayon-error">', sprintf(crayon__('The selected language with id %s could not be loaded'), '<strong>' . $db_fallback . '</strong>'), '. </span>';
}
// Language parsing info
echo CRAYON_BR, '<div id="crayon-subsection-langs-info"><div>' . self::button(array('id' => 'show-langs', 'title' => crayon__('Show Languages'))) . '</div></div>';
} else {
echo 'No languages could be parsed.';
}
}
}
private static function init_tags_regex($force = FALSE, $flags = NULL, &$tags_regex = NULL)
{
CrayonSettingsWP::load_settings();
self::init_tag_bits();
// Default output
if ($tags_regex === NULL) {
$tags_regex =& self::$tags_regex;
}
if ($force || $tags_regex === "") {
// Check which tags are in $flags. If it's NULL, then all flags are true.
$in_flag = self::in_flag($flags);
if ($in_flag[CrayonSettings::CAPTURE_MINI_TAG] && CrayonGlobalSettings::val(CrayonSettings::CAPTURE_MINI_TAG) || $force || ($in_flag[CrayonSettings::INLINE_TAG] && (CrayonGlobalSettings::val(CrayonSettings::INLINE_TAG) && CrayonGlobalSettings::val(CrayonSettings::INLINE_TAG_CAPTURE)) || $force)) {
$aliases = CrayonResources::langs()->ids_and_aliases();
self::$alias_regex = '';
for ($i = 0; $i < count($aliases); $i++) {
$alias = $aliases[$i];
$alias_regex = CrayonUtil::esc_hash(CrayonUtil::esc_regex($alias));
if ($i != count($aliases) - 1) {
$alias_regex .= '|';
}
self::$alias_regex .= $alias_regex;
}
}
// Add other tags
$tags_regex = '#(?<!\\$)(?:(\\s*\\[\\s*crayon\\b)';
// TODO this is duplicated in capture_crayons()
$tag_regexes = array(CrayonSettings::CAPTURE_MINI_TAG => '(\\[\\s*(' . self::$alias_regex . ')\\b)', CrayonSettings::CAPTURE_PRE => '(<\\s*pre\\b)', CrayonSettings::INLINE_TAG => '(' . self::REGEX_INLINE_CLASS . ')' . '|(\\{\\s*(' . self::$alias_regex . ')\\b([^\\}]*)\\})', CrayonSettings::PLAIN_TAG => '(\\s*\\[\\s*plain\\b)', CrayonSettings::BACKQUOTE => '(`[^`]*`)');
foreach ($tag_regexes as $tag => $regex) {
if ($in_flag[$tag] && (CrayonGlobalSettings::val($tag) || $force)) {
$tags_regex .= '|' . $regex;
}
}
$tags_regex .= ')#msi';
}
}
function language_detect()
{
// Attempt to detect the language
if (!empty($id)) {
$this->log("The language '{$id}' could not be loaded.");
}
$this->language = CrayonResources::langs()->detect($this->url, $this->setting_val(CrayonSettings::FALLBACK_LANG));
}
public static function delim_to_internal($matches)
{
// Mark as mixed so we can show (+)
self::$curr->is_mixed(TRUE);
$capture_group = count($matches) - 2;
$capture_groups = array_keys(self::$delimiters);
$lang_id = $capture_groups[$capture_group];
if (($lang = CrayonResources::langs()->get($lang_id)) === NULL) {
return $matches[0];
}
$internal = sprintf('{{crayon-internal:%d}}', count(self::$delim_pieces));
// TODO fix
self::$delim_pieces[] = CrayonFormatter::format_code($matches[0], $lang, self::$curr);
return $internal;
}
public static function validate_regex($regex, $element)
{
if (is_string($regex) && @get_class($element) == CRAYON_ELEMENT_CLASS) {
// If the (?alt) tag has been used, insert the file into the regex
$file = self::regex_match('#\\(\\?alt:(.+?)\\)#', $regex);
if (count($file) == 2) {
// Element 0 has full match, 1 has captured groups
for ($i = 0; $i < count($file[1]); $i++) {
$file_lines = CrayonUtil::lines(dirname($element->path()) . crayon_s() . $file[1][$i], 'rcwh');
if ($file_lines !== FALSE) {
$file_lines = implode('|', $file_lines);
// If any spaces exist, treat them as whitespace
$file_lines = preg_replace('#[ \\t]+#msi', '\\s+', $file_lines);
$regex = str_replace($file[0][$i], "(?:{$file_lines})", $regex);
} else {
CrayonLog::syslog("Parsing of '{$element->path()}' failed, an (?alt) tag failed for the element '{$element->name()}'");
return FALSE;
}
}
}
// If the (?default:element) function is used, replace the regex with the default, if exists
$def = self::regex_match('#\\(\\?default(?:\\:(\\w+))?\\)#', $regex);
if (count($def) == 2) {
// Load default language
$default = CrayonResources::langs()->get(CrayonLangs::DEFAULT_LANG);
// If default has not been loaded, we can't use it, skip the element
if (!$default) {
CrayonLog::syslog("Could not use default regex in the element '{$element->name()}' in '{$element->path()}'");
return FALSE;
}
for ($i = 0; $i < count($def[1]); $i++) {
// If an element has been provided
$element_name = !empty($def[1][$i]) ? $def[1][$i] : $element->name();
if (($default_element = $default->element($element_name)) != FALSE) {
$regex = str_replace($def[0][$i], '(?:' . $default_element->regex() . ')', $regex);
} else {
CrayonLog::syslog("The language at '{$element->path()}' referred to the Default Language regex for element '{$element->name()}', which did not exist.");
return FALSE;
}
}
}
// If the (?html) tag is used, escape characters in html (<, > and &)
$html = self::regex_match('#\\(\\?html:(.+?)\\)#', $regex);
if (count($html) == 2) {
for ($i = 0; $i < count($html[1]); $i++) {
$regex = str_replace($html[0][$i], htmlentities($html[1][$i]), $regex);
}
}
// Ensure all parenthesis are atomic to avoid conflicting with element matches
$regex = CrayonUtil::esc_atomic($regex);
// Escape #, this is our delimiter
$regex = CrayonUtil::esc_hash($regex);
// Test if regex is valid
if (@preg_match("#{$regex}#", '') === FALSE) {
CrayonLog::syslog("The regex for the element '{$element->name()}' in '{$element->path()}' is not valid.");
return FALSE;
}
return $regex;
} else {
return '';
}
}
function language($id = NULL)
{
if ($id === NULL || !is_string($id)) {
return $this->language;
}
if (($lang = CrayonResources::langs()->get($id)) != FALSE || ($lang = CrayonResources::langs()->alias($id)) != FALSE) {
// Set the language if it exists or look for an alias
$this->language = $lang;
} else {
// Attempt to detect the language
if (!empty($id)) {
$this->log("The language '{$id}' could not be loaded.");
}
$this->language = CrayonResources::langs()->detect($this->url, $this->setting_val(CrayonSettings::FALLBACK_LANG));
}
// Prepare the language for use, even if we have no code, we need the name
CrayonParser::parse($this->language->id());
}
private static function init_tags_regex()
{
if (!self::$is_tags_regex_init) {
if (CrayonGlobalSettings::val(CrayonSettings::CAPTURE_MINI_TAG) || CrayonGlobalSettings::val(CrayonSettings::INLINE_TAG)) {
$aliases = CrayonResources::langs()->ids_and_aliases();
for ($i = 0; $i < count($aliases); $i++) {
$alias = $aliases[$i];
$alias_regex = CrayonUtil::esc_hash(CrayonUtil::esc_regex($alias));
if ($i != count($aliases) - 1) {
$alias_regex .= '|';
}
self::$alias_regex .= $alias_regex;
}
}
// Add other tags
self::$tags_regex = '#(\\s*\\[\\s*crayon\\b)';
if (CrayonGlobalSettings::val(CrayonSettings::CAPTURE_MINI_TAG)) {
self::$tags_regex .= '|([\\[]\\s*(' . self::$alias_regex . '))';
}
if (CrayonGlobalSettings::val(CrayonSettings::CAPTURE_PRE)) {
self::$tags_regex .= '|(<\\s*pre\\b)';
}
if (CrayonGlobalSettings::val(CrayonSettings::INLINE_TAG)) {
self::$tags_regex .= '|(' . self::REGEX_INLINE_CLASS . ')' . '|([\\{]\\s*(' . self::$alias_regex . '))';
}
if (CrayonGlobalSettings::val(CrayonSettings::PLAIN_TAG)) {
self::$tags_regex .= '|(\\s*\\[\\s*plain\\b)';
}
if (CrayonGlobalSettings::val(CrayonSettings::BACKQUOTE)) {
self::$tags_regex .= '|(`[^`]*`)';
}
self::$tags_regex .= '#msi';
self::$is_tags_regex_init = TRUE;
}
}
