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<?php
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/**
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* @file
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* Find/replace text using REGEX.
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*/
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$plugin = array(
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'form' => 'feeds_tamper_find_replace_regex_form',
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'callback' => 'feeds_tamper_find_replace_regex_callback',
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'validate' => 'feeds_tamper_find_replace_regex_validate',
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'name' => 'Find replace REGEX',
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'multi' => 'direct',
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'category' => 'Text',
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);
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function feeds_tamper_find_replace_regex_form($importer, $element_key, $settings) {
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$form = array();
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$form['find'] = array(
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'#type' => 'textfield',
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'#title' => t('REGEX to find'),
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'#default_value' => isset($settings['find']) ? $settings['find'] : '',
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'#description' => t('A regular expression in the form: @regex', array('@regex' => '/<your regex here>/')),
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'#maxlength' => 1024,
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);
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$form['replace'] = array(
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'#type' => 'textfield',
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'#title' => t('Replacement pattern'),
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'#default_value' => isset($settings['replace']) ? $settings['replace'] : '',
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'#description' => t('The replacement pattern.'),
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'#maxlength' => 1024,
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);
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$form['limit'] = array(
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'#type' => 'textfield',
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'#title' => t('Limit number of replacements'),
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'#default_value' => isset($settings['limit']) ? $settings['limit'] : '',
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'#description' => t('This sets an optional limit. Leave it blank for no limit.'),
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);
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return $form;
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}
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function feeds_tamper_find_replace_regex_validate(&$settings) {
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// Test the regex.
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$test = @preg_replace($settings['find'], '', 'asdfsadf');
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if ($test === NULL) {
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form_set_error('settings][find', 'Invalid regular expression.');
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}
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$settings['limit'] = trim($settings['limit']);
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if (empty($settings['limit'])) {
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$settings['real_limit'] = -1;
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}
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else {
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$settings['real_limit'] = $settings['limit'];
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}
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if (!is_numeric($settings['real_limit'])) {
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form_set_error('settings][limit', 'Limit must be an integer.');
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}
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}
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function feeds_tamper_find_replace_regex_callback($result, $item_key, $element_key, &$field, $settings, $source) {
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$field = preg_replace($settings['find'], $settings['replace'], $field, $settings['real_limit']);
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}
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