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<?php
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// $Id: reptag_process.inc,v 1.23.2.11 2007/07/25 16:14:31 profix898 Exp $
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require_once(drupal_get_path('module', 'reptag') .'/reptag_helper.inc');
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require_once(drupal_get_path('module', 'reptag') .'/reptag_module.inc');
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/**
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* Simple (wrapper) API function for text replacements
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* (You can use reptag_replace() to process a piece of text instead
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* of calling reptag_process() directly)
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*
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* @param $text
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* The text/content to be processed.
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* @param $procall
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* By default only static tags are replaced using reptag_replace(),
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* set $procall = TRUE to use all tags (static + dynamic) instead.
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*/
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function reptag_replace($text, $procall = FALSE) {
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global $user;
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$content = new stdClass();
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$content->uid = $user->uid;
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$content->text = $text;
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reptag_process($content, array('text'), $procall ? REPTAG_PROCALL : REPTAG_PROCSTATIC);
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return $content->text;
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}
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/**
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* Perform the actual reptag processing
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* (This function does all the filter/replacement stuff)
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*
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* @param $content
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* An object containing the content (and its context) to be processed.
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* @param $fields
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* An array containing all fields (or field pathes) of $content to be processed
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* e.g. 'fieldA' for $content->fieldA
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* 'fieldA/fieldB' for $content->fieldA->fieldB
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* 'fieldA/fieldB/fieldC' for $content->fieldA->fieldB-fieldC etc.
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* (this also works when $content is not an object but an array)
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* @param $proc
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* An integer to set the processing mode (e.g. REPTAG_PROCALL, ...).
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* @param $modules
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* An array containing the names of all modules to be used
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* e.g. array('system.tags', 'node.tags')
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* @param $lang
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* The language code (e.g. 'de') of the replacements to use.
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* Omit this parameter to use the language of the current page request (auto-negotiate)
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*
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* See DEVELOPER.TXT for detailed information
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*/
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function reptag_process(&$content, $fields = array('text'), $proc = REPTAG_PROCALL, $modules = NULL, $lang = NULL) {
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// Return immediately on empty $fields array
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if (empty($fields)) {
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return;
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}
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// Set default user if no uid is provided
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if (!isset($content->uid)) {
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$content->uid = 0; // anonymous user
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}
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// Get roles associated with current node
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$content_roles = _reptag_user_get_roles($content->uid);
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// Load module tags
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$reptags = _reptag_module_tags($proc, $content_roles, $content, $modules);
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if ($proc == REPTAG_PROCDYNAMIC && empty($reptags)) {
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return;
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}
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// Load exclude tags
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$exclude_tags = array();
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foreach ($content_roles as $rid) {
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$rid_tags = _reptag_exclude_loadtags($rid);
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$exclude_tags = array_filter(array_merge($exclude_tags, $rid_tags));
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}
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// Filter exclude_tags from reptags
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$reptags = _reptag_filter_exclude($reptags, $exclude_tags);
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// Load side-wide and user tags from tables
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if ($proc != REPTAG_PROCDYNAMIC) {
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$iid = array(0, $content->uid);
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$reptag_table = _reptag_table_load($iid, REPTAG_LOADTAG_DEFAULT, $lang);
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// Load tags of default language and merge in
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if (variable_get('reptag_locale_enable', 0)
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&& (variable_get('reptag_locale_mode', REPTAG_LOCALE_STRICT) == REPTAG_LOCALE_FALLBACK)
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&& (_reptag_language() != language_default('language'))) {
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$default_tags = _reptag_table_load($iid, REPTAG_LOADTAG_DEFAULT, language_default('language'));
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$reptag_table = array_merge($default_tags, $reptag_table);
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}
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// Remove all html tags for plain text roles
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$plainrep_roles = unserialize(variable_get('reptag_plainrep_roles', serialize(array())));
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if (array_intersect($plainrep_roles, $content_roles)) {
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foreach ($reptag_table as $tag => $repl) {
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$reptag_table[$tag] = check_plain(strip_tags($repl));
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}
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}
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// Filter exclude_tags from reptag_table
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foreach ($exclude_tags as $key) {
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$key = '#\\'. strtoupper(substr($key, 0, -1)) .'\$#si';
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unset($reptag_table[$key]);
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}
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}
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// Debug
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if (variable_get('reptag_debug', 0)) {
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_reptag_debug($fields, 'Fields');
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_reptag_debug($reptags, 'Module RepTags');
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_reptag_debug($reptag_table, 'Table RepTags');
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_reptag_debug($content, 'Content');
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}
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// If 'body' field is included add 'teaser' field also
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// empty fields will be skipped below
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if (in_array('content/body/#value', $fields) || in_array('body', $fields)) {
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$fields[] = 'teaser';
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}
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// Iterate over all $fields
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foreach ($fields as $field) {
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// Point to the text/string to be processed
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$text =& _reptag_content_field($content, $field);
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// Only continue with a valid (non-empty) string
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if (!is_string($text) || empty($text)) {
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continue;
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}
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// Process table tags
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if ($proc != REPTAG_PROCDYNAMIC) {
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$text = preg_replace(array_keys($reptag_table), array_values($reptag_table), $text);
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}
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// Process module tags
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foreach ($reptags as $module => $tags) {
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$result = _reptag_module_invoke($module, 'process', $text, $tags, $content);
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$text = $result ? $result : preg_replace(array_keys($tags), array_values($tags), $text);
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}
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}
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}
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/**
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* Function _reptag_filter_exclude().
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*/
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function _reptag_filter_exclude($reptags, $exclude_tags) {
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foreach ($reptags as $module => $tags) {
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$matches = array_intersect(array_keys($tags), array_values($exclude_tags));
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foreach ($matches as $key) {
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unset($reptags[$module][$key]);
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}
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}
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return $reptags;
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}
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