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<?php
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/**
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* @file
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* Builds placeholder replacement tokens for diff-related data.
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*/
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/**
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* Implements hook_token_info().
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*/
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function diff_token_info() {
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$node['diff'] = array(
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'name' => t('Latest differences'),
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'description' => t('The differences between the current revision and the previous revision of this node.'),
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);
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$node['diff-markdown'] = array(
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'name' => t('Latest differences (marked down)'),
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'description' => t('The differences between the current revision and the previous revision of this node, but with a marked-down form of each revision used for comparison.'),
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);
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return array(
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'tokens' => array('node' => $node),
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);
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}
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/**
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* Implements hook_tokens().
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*/
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function diff_tokens($type, $tokens, array $data = array(), array $options = array()) {
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$sanitize = !empty($options['sanitize']);
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$replacements = array();
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if ($type == 'node' && !empty($data['node'])) {
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$node = $data['node'];
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foreach ($tokens as $name => $original) {
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switch ($name) {
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// Basic diff standard comparison information.
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case 'diff':
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case 'diff-markdown':
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$revisons = node_revision_list($node);
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if (count($revisons) == 1) {
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$replacements[$original] = t('(No previous revision available.)');
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}
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else {
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module_load_include('inc', 'diff', 'diff.pages');
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$old_vid = _diff_get_previous_vid($revisons, $node->vid);
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$state = $name == 'diff' ? 'raw' : 'raw_plain';
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$build = diff_diffs_show($node, $old_vid, $node->vid, $state);
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unset($build['diff_table']['#rows']['states']);
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unset($build['diff_table']['#rows']['navigation']);
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unset($build['diff_preview']);
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53
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$output = drupal_render_children($build);
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$replacements[$original] = $sanitize ? check_plain($output) : $output;
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}
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break;
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}
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}
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}
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return $replacements;
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}
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