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<?php |
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// $Id$ |
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/** |
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* @file Provides the (un)installation logic for the Meta Tags by Path |
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* module. |
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*/ |
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/** |
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* Implementation of hook_install(). |
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*/ |
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function nodewords_bypath_install() { |
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switch ($GLOBALS['db_type']) { |
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case 'mysql': |
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case 'mysqli': |
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// ----------------------------------------------------------------------- |
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// Maps a Drupal path expression or PHP logic to a set of meta tags and |
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// their values that should be placed in the HTML head on pages matching |
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// that expression. |
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// |
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// The 'type' column indicates whether the path_expr is a list of paths |
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// or a block of PHP code. The allowed values are: |
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// 0 - Reserved (don't use) |
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// 1 - Show on only the listed pages. |
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// 2 - Show if path_expr contains PHP code that returns TRUE |
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// |
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// 'weight' is the order in which the expressions are evaluated. Items |
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// with lower weights are evaluated before items with higher weights. |
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db_query("CREATE TABLE {nodewords_bypath_rules} ( |
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id int unsigned NOT NULL, |
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name varchar(128) NOT NULL, |
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type tinyint(1) unsigned NOT NULL default 1, |
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path_expr text NOT NULL, |
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weight tinyint NOT NULL default 0, |
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PRIMARY KEY (id) |
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)" |
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); |
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db_query('CREATE TABLE {nodewords_bypath_tags} ( |
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rule_id int unsigned NOT NULL, |
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meta_tag varchar(32) NOT NULL, |
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meta_value text, |
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PRIMARY KEY (rule_id, meta_tag) |
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)' |
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); |
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$success = TRUE; |
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break; |
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default: |
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drupal_set_message(t('Unsupported database.')); |
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} |
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if ($success) { |
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drupal_set_message(t('Meta tags by path installed all tables successfully.')); |
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} |
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else { |
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drupal_set_message(t('Meta tags by path could not be installed.'), 'error'); |
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} |
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} |
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/** |
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* Implementation of hook_uninstall(). |
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*/ |
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function nodewords_bypath_uninstall() { |
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switch ($GLOBALS['db_type']) { |
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case 'mysql': |
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case 'mysqli': |
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db_query('DROP TABLE IF EXISTS {nodewords_bypath_rules} CASCADE'); |
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db_query('DROP TABLE IF EXISTS {nodewords_bypath_tags} CASCADE'); |
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$success = TRUE; |
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break; |
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default: |
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drupal_set_message(t('Unsupported database.')); |
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} |
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if ($success) { |
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drupal_set_message(t('Meta tags by path uninstalled successfully.')); |
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} |
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else { |
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drupal_set_message(t('Meta tags by path could not be uninstalled.'), 'error'); |
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} |
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} |