editing.inc.php

<?php
/** Print select result
* @param Min_Result
* @param Min_DB connection to examine indexes
* @return null
*/
function select($result, $connection2 = null) {
	if (!$result->num_rows) {
		echo "<p class='message'>" . lang('No rows.') . "\n";
	} else {
		echo "<table cellspacing='0' class='nowrap'>\n";
		$links = array(); // colno => orgtable - create links from these columns
		$indexes = array(); // orgtable => array(column => colno) - primary keys
		$columns = array(); // orgtable => array(column => ) - not selected columns in primary key
		$blobs = array(); // colno => bool - display bytes for blobs
		$types = array(); // colno => type - display char in <code>
		odd(''); // reset odd for each result
		for ($i=0; $row = $result->fetch_row(); $i++) {
			if (!$i) {
				echo "<thead><tr>";
				for ($j=0; $j < count($row); $j++) {
					$field = $result->fetch_field();
					$orgtable = $field->orgtable;
					$orgname = $field->orgname;
					if ($orgtable != "") {
						if (!isset($indexes[$orgtable])) {
							// find primary key in each table
							$indexes[$orgtable] = array();
							foreach (indexes($orgtable, $connection2) as $index) {
								if ($index["type"] == "PRIMARY") {
									$indexes[$orgtable] = array_flip($index["columns"]);
									break;
								}
							}
							$columns[$orgtable] = $indexes[$orgtable];
						}
						if (isset($columns[$orgtable][$orgname])) {
							unset($columns[$orgtable][$orgname]);
							$indexes[$orgtable][$orgname] = $j;
							$links[$j] = $orgtable;
						}
					}
					if ($field->charsetnr == 63) { // 63 - binary
						$blobs[$j] = true;
					}
					$types[$j] = $field->type;
					echo "<th" . ($orgtable != "" || $field->name != $orgname ? " title='" . h(($orgtable != "" ? "$orgtable." : "") . $orgname) . "'" : "") . ">" . h($field->name);
				}
				echo "</thead>\n";
			}
			echo "<tr" . odd() . ">";
			foreach ($row as $key => $val) {
				if (!isset($val)) {
					$val = "<i>NULL</i>";
				} else {
					if ($blobs[$key] && !is_utf8($val)) {
						$val = "<i>" . lang('%d byte(s)', strlen($val)) . "</i>"; //! link to download
					} elseif (!strlen($val)) { // strlen - SQLite can return int
						$val = "&nbsp;"; // some content to print a border
					} else {
						$val = h($val);
						if ($types[$key] == 254) { // 254 - char
							$val = "<code>$val</code>";
						}
					}
					if (isset($links[$key]) && !$columns[$links[$key]]) {
						$link = "edit=" . urlencode($links[$key]);
						foreach ($indexes[$links[$key]] as $col => $j) {
							$link .= "&where" . urlencode("[" . bracket_escape($col) . "]") . "=" . urlencode($row[$j]);
						}
						$val = "<a href='" . h(ME . $link) . "'>$val</a>";
					}
				}
				echo "<td>$val";
			}
		}
		echo "</table>\n";
	}
}

/** Get referencable tables with single column primary key except self
* @param string
* @return array ($table_name => $field)
*/
function referencable_primary($self) {
	$return = array(); // table_name => field
	foreach (table_status() as $table_name => $table) {
		if ($table_name != $self && fk_support($table)) {
			foreach (fields($table_name) as $field) {
				if ($field["primary"]) {
					if ($return[$table_name]) { // multi column primary key
						unset($return[$table_name]);
						break;
					}
					$return[$table_name] = $field;
				}
			}
		}
	}
	return $return;
}

/** Print table columns for type edit
* @param string
* @param array
* @param array
* @param array returned by referencable_primary()
* @return null
*/
function edit_type($key, $field, $collations, $foreign_keys = array()) {
	global $structured_types, $unsigned, $inout;
	?>
<td><select name="<?php echo $key; ?>[type]" class="type" onfocus="lastType = selectValue(this);" onchange="editingTypeChange(this);"><?php echo optionlist($structured_types + ($foreign_keys ? array(lang('Foreign keys') => $foreign_keys) : array()), $field["type"]); ?></select>
<td><input name="<?php echo $key; ?>[length]" value="<?php echo h($field["length"]); ?>" size="3" onfocus="editingLengthFocus(this);"><td><?php
	echo "<select name='$key" . "[collation]'" . (ereg('(char|text|enum|set)$', $field["type"]) ? "" : " class='hidden'") . '><option value="">(' . lang('collation') . ')' . optionlist($collations, $field["collation"]) . '</select>';
	echo ($unsigned ? "<select name='$key" . "[unsigned]'" . (!$field["type"] || ereg('(int|float|double|decimal)$', $field["type"]) ? "" : " class='hidden'") . '><option>' . optionlist($unsigned, $field["unsigned"]) . '</select> ' : ' '); // space for IE
}

/** Filter length value including enums
* @param string
* @return string
*/
function process_length($length) {
	global $enum_length;
	return (preg_match("~^\\s*(?:$enum_length)(?:\\s*,\\s*(?:$enum_length))*\\s*\$~", $length) && preg_match_all("~$enum_length~", $length, $matches) ? implode(",", $matches[0]) : preg_replace('~[^0-9,+-]~', '', $length));
}

/** Create SQL string from field type
* @param array
* @param string
* @return string
*/
function process_type($field, $collate = "COLLATE") {
	global $connection, $unsigned;
	return " $field[type]"
		. ($field["length"] != "" && !ereg('^date|time$', $field["type"]) ? "(" . process_length($field["length"]) . ")" : "")
		. (ereg('int|float|double|decimal', $field["type"]) && in_array($field["unsigned"], $unsigned) ? " $field[unsigned]" : "")
		. (ereg('char|text|enum|set', $field["type"]) && $field["collation"] ? " $collate " . $connection->quote($field["collation"]) : "")
	;
}

/** Create SQL string from field
* @param array basic field information
* @param array information about field type
* @return array array("field", "type", "NULL", "DEFAULT", "ON UPDATE", "COMMENT", "AUTO_INCREMENT")
*/
function process_field($field, $type_field) {
	global $connection;
	return array(
		idf_escape($field["field"]),
		process_type($type_field),
		($field["null"] ? " NULL" : " NOT NULL"), // NULL for timestamp
		(isset($field["default"]) ? " DEFAULT " . ($field["type"] == "timestamp" && eregi("^CURRENT_TIMESTAMP$", $field["default"]) ? $field["default"] : $connection->quote($field["default"])) : ""),
		($field["on_update"] ? " ON UPDATE $field[on_update]" : ""),
		(support("comment") && $field["comment"] != "" ? " COMMENT " . $connection->quote($field["comment"]) : ""),
		($field["auto_increment"] ? auto_increment() : ""),
	);
}

/** Get type class to use in CSS
* @param string
* @return string class=''
*/
function type_class($type) {
	foreach (array(
		'char' => 'text',
		'date' => 'time|year',
		'binary' => 'blob',
		'enum' => 'set',
	) as $key => $val) {
		if (ereg("$key|$val", $type)) {
			return " class='$key'";
		}
	}
}

/** Print table interior for fields editing
* @param array
* @param array
* @param string TABLE or PROCEDURE
* @param int number of fields allowed by Suhosin
* @param array returned by referencable_primary()
* @return bool column comments used
*/
function edit_fields($fields, $collations, $type = "TABLE", $allowed = 0, $foreign_keys = array(), $comments = false) {
	global $inout;
	foreach ($fields as $field) {
		if ($field["comment"] != "") {
			$comments = true;
			break;
		}
	}
	?>
<thead><tr class="wrap">
<?php if ($type == "PROCEDURE") { ?><td>&nbsp;<?php } ?>
<th><?php echo ($type == "TABLE" ? lang('Column name') : lang('Parameter name')); ?>
<td><?php echo lang('Type'); ?><textarea id="enum-edit" rows="4" cols="12" wrap="off" style="display: none;" onblur="editingLengthBlur(this);"></textarea>
<td><?php echo lang('Length'); ?>
<td><?php echo lang('Options'); ?>
<?php if ($type == "TABLE") { ?>
<td>NULL
<td><input type="radio" name="auto_increment_col" value=""><acronym title="<?php echo lang('Auto Increment'); ?>">AI</acronym>
<td class="hidden"><?php echo lang('Default values'); ?>
<?php echo (support("comment") ? "<td" . ($comments ? "" : " class='hidden'") . ">" . lang('Comment') : ""); ?>
<?php } ?>
<td><?php echo "<input type='image' name='add[0]' src='../adminer/static/plus.gif' alt='+' title='" . lang('Add next') . "'>"; ?><script type="text/javascript">row_count = <?php echo count($fields); ?>;</script>
</thead>
<?php
	foreach ($fields as $i => $field) {
		$i++;
		$display = (isset($_POST["add"][$i-1]) || (isset($field["field"]) && !$_POST["drop_col"][$i]));
		?>
<tr<?php echo ($display ? "" : " style='display: none;'"); ?>>
<?php echo ($type == "PROCEDURE" ? "<td>" . html_select("fields[$i][inout]", $inout, $field["inout"]) : ""); ?>
<th><?php if ($display) { ?><input name="fields[<?php echo $i; ?>][field]" value="<?php echo h($field["field"]); ?>" onchange="<?php echo ($field["field"] != "" || count($fields) > 1 ? "" : "editingAddRow(this, $allowed); "); ?>editingNameChange(this);" maxlength="64"><?php } ?><input type="hidden" name="fields[<?php echo $i; ?>][orig]" value="<?php echo h($field[($_POST ? "orig" : "field")]); ?>">
<?php edit_type("fields[$i]", $field, $collations, $foreign_keys); ?>
<?php if ($type == "TABLE") { ?>
<td><?php echo checkbox("fields[$i][null]", 1, $field["null"]); ?>
<td><input type="radio" name="auto_increment_col" value="<?php echo $i; ?>"<?php if ($field["auto_increment"]) { ?> checked<?php } ?>>
<td class="hidden"><?php echo checkbox("fields[$i][has_default]", 1, $field["has_default"]); ?><input name="fields[<?php echo $i; ?>][default]" value="<?php echo h($field["default"]); ?>" onchange="this.previousSibling.checked = true;">
<?php echo (support("comment") ? "<td" . ($comments ? "" : " class='hidden'") . "><input name='fields[$i][comment]' value='" . h($field["comment"]) . "' maxlength='255'>" : ""); ?>
<?php } ?>
<?php
		//! hide operations not supported by the driver - column change, adding column not at the end, drop column, ...
		echo "<td><input type='image' name='add[$i]' src='../adminer/static/plus.gif' alt='+' title='" . lang('Add next') . "' onclick='return !editingAddRow(this, $allowed, 1);'>";
		echo "&nbsp;<input type='image' name='drop_col[$i]' src='../adminer/static/cross.gif' alt='x' title='" . lang('Remove') . "' onclick='return !editingRemoveRow(this);'>";
		echo "&nbsp;<input type='image' name='up[$i]' src='../adminer/static/up.gif' alt='^' title='" . lang('Move up') . "'>";
		echo "&nbsp;<input type='image' name='down[$i]' src='../adminer/static/down.gif' alt='v' title='" . lang('Move down') . "'>";
		echo "\n";
	}
	return $comments;
}

/** Move fields up and down or add field
* @param array
* @return null
*/
function process_fields(&$fields) {
	ksort($fields);
	$offset = 0;
	if ($_POST["up"]) {
		$last = 0;
		foreach ($fields as $key => $field) {
			if (key($_POST["up"]) == $key) {
				unset($fields[$key]);
				array_splice($fields, $last, 0, array($field));
				break;
			}
			if (isset($field["field"])) {
				$last = $offset;
			}
			$offset++;
		}
	}
	if ($_POST["down"]) {
		$found = false;
		foreach ($fields as $key => $field) {
			if (isset($field["field"]) && $found) {
				unset($fields[key($_POST["down"])]);
				array_splice($fields, $offset, 0, array($found));
				break;
			}
			if (key($_POST["down"]) == $key) {
				$found = $field;
			}
			$offset++;
		}
	}
	$fields = array_values($fields);
	if ($_POST["add"]) {
		array_splice($fields, key($_POST["add"]), 0, array(array()));
	}
}

/** Callback used in routine()
* @param array
* @return string
*/
function normalize_enum($match) {
	return "'" . str_replace("'", "''", addcslashes(stripcslashes(str_replace($match[0][0] . $match[0][0], $match[0][0], substr($match[0], 1, -1))), '\\')) . "'";
}

/** Get information about stored routine
* @param string
* @param string FUNCTION or PROCEDURE
* @return array ("fields" => array("field" => , "type" => , "length" => , "unsigned" => , "inout" => , "collation" => ), "returns" => , "definition" => )
*/
function routine($name, $type) {
	global $connection, $enum_length, $inout, $types;
	$aliases = array("bit" => "tinyint", "bool" => "tinyint", "boolean" => "tinyint", "integer" => "int", "double precision" => "float", "real" => "float", "dec" => "decimal", "numeric" => "decimal", "fixed" => "decimal", "national char" => "char", "national varchar" => "varchar");
	$type_pattern = "(" . implode("|", array_keys($types + $aliases)) . ")(?:\\s*\\(((?:[^'\")]*|$enum_length)+)\\))?\\s*(zerofill\\s*)?(unsigned(?:\\s+zerofill)?)?(?:\\s*(?:CHARSET|CHARACTER\\s+SET)\\s*['\"]?([^'\"\\s]+)['\"]?)?";
	$pattern = "\\s*(" . ($type == "FUNCTION" ? "" : implode("|", $inout)) . ")?\\s*(?:`((?:[^`]|``)*)`\\s*|\\b(\\S+)\\s+)$type_pattern";
	$create = $connection->result("SHOW CREATE $type " . idf_escape($name), 2);
	preg_match("~\\(((?:$pattern\\s*,?)*)\\)" . ($type == "FUNCTION" ? "\\s*RETURNS\\s+$type_pattern" : "") . "\\s*(.*)~is", $create, $match);
	$fields = array();
	preg_match_all("~$pattern\\s*,?~is", $match[1], $matches, PREG_SET_ORDER);
	foreach ($matches as $param) {
		$name = str_replace("``", "`", $param[2]) . $param[3];
		$data_type = strtolower($param[4]);
		$fields[] = array(
			"field" => $name,
			"type" => (isset($aliases[$data_type]) ? $aliases[$data_type] : $data_type),
			"length" => preg_replace_callback("~$enum_length~s", 'normalize_enum', $param[5]),
			"unsigned" => strtolower(preg_replace('~\\s+~', ' ', trim("$param[7] $param[6]"))),
			"inout" => strtoupper($param[1]),
			"collation" => strtolower($param[8]),
		);
	}
	if ($type != "FUNCTION") {
		return array("fields" => $fields, "definition" => $match[10]);
	}
	$returns = array("type" => $match[10], "length" => $match[11], "unsigned" => $match[13], "collation" => $match[14]);
	return array("fields" => $fields, "returns" => $returns, "definition" => $match[15]);
}

/** Issue grant or revoke commands
* @param string GRANT or REVOKE
* @param array
* @param string
* @param string
* @return 
*/
function grant($grant, $privileges, $columns, $on) {
	if (!$privileges) {
		return true;
	}
	if ($privileges == array("ALL PRIVILEGES", "GRANT OPTION")) {
		// can't be granted or revoked together
		return ($grant == "GRANT"
			? queries("$grant ALL PRIVILEGES$on WITH GRANT OPTION")
			: queries("$grant ALL PRIVILEGES$on") && queries("$grant GRANT OPTION$on")
		);
	}
	return queries("$grant " . preg_replace('~(GRANT OPTION)\\([^)]*\\)~', '\\1', implode("$columns, ", $privileges) . $columns) . $on);
}

/** Drop old object and create a new one
* @param string drop query
* @param string create query
* @param string
* @param string
* @param string
* @param string
* @param string
* @return bool dropped
*/
function drop_create($drop, $create, $location, $message_drop, $message_alter, $message_create, $name) {
	if ($_POST["drop"]) {
		return query_redirect($drop, $location, $message_drop, true, !$_POST["dropped"]);
	}
	$dropped = $name != "" && ($_POST["dropped"] || queries($drop));
	$created = queries($create);
	if (!queries_redirect($location, ($name != "" ? $message_alter : $message_create), $created) && $dropped) {
		restart_session();
		$_SESSION["messages"][] = $message_drop;
	}
	return $dropped;
}