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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Set of functions used with the relation and pdf feature
*
* @version $Id$
* @package phpMyAdmin
*/
/**
* returns array of options from string with options separated by comma, removes quotes
*
* <code>
* PMA_transformation_getOptions("'option ,, quoted',abd,'2,3',");
* // array {
* // 'option ,, quoted',
* // 'abc',
* // '2,3',
* // '',
* // }
* </code>
*
* @uses preg_split()
* @uses array_shift()
* @uses trim()
* @uses rtrim()
* @uses ltrim()
* @uses strlen()
* @uses substr()
* @uses stripslashes()
* @param string $option_string comma separated options
* @return array options
*/
function PMA_transformation_getOptions($option_string)
{
$result = array();
if (! strlen($option_string)
|| ! $transform_options = preg_split('/,/', $option_string)) {
return $result;
}
while (($option = array_shift($transform_options)) !== null) {
$trimmed = trim($option);
if (strlen($trimmed) > 1
&& $trimmed[0] == "'"
&& $trimmed[strlen($trimmed) - 1] == "'") {
// '...'
$option = substr($trimmed, 1, -1);
} elseif (isset($trimmed[0]) && $trimmed[0] == "'") {
// '...,
$trimmed = ltrim($option);
while (($option = array_shift($transform_options)) !== null) {
// ...,
$trimmed .= ',' . $option;
$rtrimmed = rtrim($trimmed);
if ($rtrimmed[strlen($rtrimmed) - 1] == "'") {
// ,...'
break;
}
}
$option = substr($rtrimmed, 1, -1);
}
$result[] = stripslashes($option);
}
return $result;
}
/**
* Gets all available MIME-types
*
* @access public
* @uses opendir()
* @uses readdir()
* @uses closedir()
* @uses sort()
* @uses preg_match()
* @uses explode()
* @uses str_replace()
* @staticvar array mimetypes
* @return array array[mimetype], array[transformation]
*/
function PMA_getAvailableMIMEtypes()
{
static $stack = null;
if (null !== $stack) {
return $stack;
}
$stack = array();
$filestack = array();
$handle = opendir('./libraries/transformations');
if (! $handle) {
return $stack;
}
while ($file = readdir($handle)) {
$filestack[] = $file;
}
closedir($handle);
sort($filestack);
foreach ($filestack as $file) {
if (preg_match('|^.*__.*\.inc\.php$|', $file)) {
// File contains transformation functions.
$base = explode('__', str_replace('.inc.php', '', $file));
$mimetype = str_replace('_', '/', $base[0]);
$stack['mimetype'][$mimetype] = $mimetype;
$stack['transformation'][] = $mimetype . ': ' . $base[1];
$stack['transformation_file'][] = $file;
} elseif (preg_match('|^.*\.inc\.php$|', $file)) {
// File is a plain mimetype, no functions.
$base = str_replace('.inc.php', '', $file);
if ($base != 'global') {
$mimetype = str_replace('_', '/', $base);
$stack['mimetype'][$mimetype] = $mimetype;
$stack['empty_mimetype'][$mimetype] = $mimetype;
}
}
}
return $stack;
}
/**
* Gets the mimetypes for all columns of a table
*
* @uses $GLOBALS['controllink']
* @uses PMA_getRelationsParam()
* @uses PMA_backquote()
* @uses PMA_sqlAddslashes()
* @uses PMA_DBI_fetch_result()
* @access public
* @param string $db the name of the db to check for
* @param string $table the name of the table to check for
* @param string $strict whether to include only results having a mimetype set
* @return array [field_name][field_key] = field_value
*/
function PMA_getMIME($db, $table, $strict = false)
{
$cfgRelation = PMA_getRelationsParam();
if (! $cfgRelation['commwork']) {
return false;
}
$com_qry = '
SELECT `column_name`,
`mimetype`,
`transformation`,
`transformation_options`
FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info']) . '
WHERE `db_name` = \'' . PMA_sqlAddslashes($db) . '\'
AND `table_name` = \'' . PMA_sqlAddslashes($table) . '\'
AND ( `mimetype` != \'\'' . (!$strict ? '
OR `transformation` != \'\'
OR `transformation_options` != \'\'' : '') . ')';
return PMA_DBI_fetch_result($com_qry, 'column_name', null, $GLOBALS['controllink']);
} // end of the 'PMA_getMIME()' function
/**
* Set a single mimetype to a certain value.
*
* @uses PMA_DBI_QUERY_STORE
* @uses PMA_getRelationsParam()
* @uses PMA_backquote()
* @uses PMA_sqlAddslashes()
* @uses PMA_query_as_controluser()
* @uses PMA_DBI_num_rows()
* @uses PMA_DBI_fetch_assoc()
* @uses PMA_DBI_free_result()
* @uses strlen()
* @access public
* @param string $db the name of the db
* @param string $table the name of the table
* @param string $key the name of the column
* @param string $mimetype the mimetype of the column
* @param string $transformation the transformation of the column
* @param string $transformation_options the transformation options of the column
* @param string $forcedelete force delete, will erase any existing comments for this column
* @return boolean true, if comment-query was made.
*/
function PMA_setMIME($db, $table, $key, $mimetype, $transformation,
$transformation_options, $forcedelete = false)
{
$cfgRelation = PMA_getRelationsParam();
if (! $cfgRelation['commwork']) {
return false;
}
$test_qry = '
SELECT `mimetype`,
`comment`
FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info']) . '
WHERE `db_name` = \'' . PMA_sqlAddslashes($db) . '\'
AND `table_name` = \'' . PMA_sqlAddslashes($table) . '\'
AND `column_name` = \'' . PMA_sqlAddslashes($key) . '\'';
$test_rs = PMA_query_as_controluser($test_qry, true, PMA_DBI_QUERY_STORE);
if ($test_rs && PMA_DBI_num_rows($test_rs) > 0) {
$row = @PMA_DBI_fetch_assoc($test_rs);
PMA_DBI_free_result($test_rs);
if (! $forcedelete
&& (strlen($mimetype) || strlen($transformation)
|| strlen($transformation_options) || strlen($row['comment']))) {
$upd_query = '
UPDATE ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info']) . '
SET `mimetype` = \'' . PMA_sqlAddslashes($mimetype) . '\',
`transformation` = \'' . PMA_sqlAddslashes($transformation) . '\',
`transformation_options` = \'' . PMA_sqlAddslashes($transformation_options) . '\'';
} else {
$upd_query = 'DELETE FROM ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info']);
}
$upd_query .= '
WHERE `db_name` = \'' . PMA_sqlAddslashes($db) . '\'
AND `table_name` = \'' . PMA_sqlAddslashes($table) . '\'
AND `column_name` = \'' . PMA_sqlAddslashes($key) . '\'';
} elseif (strlen($mimetype) || strlen($transformation)
|| strlen($transformation_options)) {
$upd_query = 'INSERT INTO ' . PMA_backquote($cfgRelation['db']) . '.' . PMA_backquote($cfgRelation['column_info'])
. ' (db_name, table_name, column_name, mimetype, transformation, transformation_options) '
. ' VALUES('
. '\'' . PMA_sqlAddslashes($db) . '\','
. '\'' . PMA_sqlAddslashes($table) . '\','
. '\'' . PMA_sqlAddslashes($key) . '\','
. '\'' . PMA_sqlAddslashes($mimetype) . '\','
. '\'' . PMA_sqlAddslashes($transformation) . '\','
. '\'' . PMA_sqlAddslashes($transformation_options) . '\')';
}
if (isset($upd_query)){
return PMA_query_as_controluser($upd_query);
} else {
return false;
}
} // end of 'PMA_setMIME()' function
?>
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