/**
* Tests that the MDB2::fileExists() method correctly identifies
* existing/non-existing files.
*/
function test_fileExists()
{
$this->assertTrue(MDB2::fileExists('PEAR.php'), 'fileExists');
$this->assertFalse(MDB2::fileExists('itIsHopedThatNoOneHasAFileWithThisName.php'), 'fileExists');
}
/**
* loads a module
*
* @param string $module name of the module that should be loaded
* (only used for error messages)
* @param string $property name of the property into which the class will be loaded
* @return object on success a reference to the given module is returned
* and on failure a PEAR error
* @access public
*/
function &loadModule($module, $property = null)
{
if (!$property) {
$property = strtolower($module);
}
if (!isset($this->{$property})) {
$version = false;
$class_name = 'MDB2_' . $module;
$file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name) . '.php';
if (!class_exists($class_name) && !MDB2::fileExists($file_name)) {
$class_name = 'MDB2_Driver_' . $module . '_' . $this->phptype;
$file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name) . '.php';
$version = true;
if (!class_exists($class_name) && !MDB2::fileExists($file_name)) {
return $this->raiseError(MDB2_ERROR_LOADMODULE, null, null, 'unable to find module: ' . $file_name);
}
}
if (!class_exists($class_name) && !(include_once $file_name)) {
return $this->raiseError(MDB2_ERROR_LOADMODULE, null, null, 'unable to load manager driver class: ' . $file_name);
}
// load modul in a specific version
if ($version) {
if (method_exists($class_name, 'getClassName')) {
$class_name_new = call_user_func(array($class_name, 'getClassName'), $this->db_index);
if ($class_name != $class_name_new) {
$class_name = $class_name_new;
$file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name) . '.php';
if (!MDB2::fileExists($file_name)) {
return $this->raiseError(MDB2_ERROR_LOADMODULE, null, null, 'unable to find module: ' . $file_name);
}
if (!(include_once $file_name)) {
return $this->raiseError(MDB2_ERROR_LOADMODULE, null, null, 'unable to load manager driver class: ' . $file_name);
}
}
}
}
if (!class_exists($class_name)) {
return $this->raiseError(MDB2_ERROR_LOADMODULE, null, null, 'unable to load module: ' . $module . ' into property: ' . $property);
}
$this->{$property} =& new $class_name($this->db_index);
$this->modules[$module] =& $this->{$property};
if ($version) {
// this wil be used in the connect method to determine if the module
// needs to be loaded with a different version if the server
// version changed in between connects
$this->loaded_version_modules[] = $property;
}
}
return $this->{$property};
}
/**
* loads a module
*
* @param string name of the module that should be loaded
* (only used for error messages)
* @param string name of the property into which the class will be loaded
* @param bool if the class to load for the module is specific to the
* phptype
*
* @return object on success a reference to the given module is returned
* and on failure a PEAR error
*
* @access public
*/
function loadModule($module, $property = null, $phptype_specific = null)
{
if (!$property) {
$property = strtolower($module);
}
if (!isset($this->{$property})) {
$version = $phptype_specific;
if ($phptype_specific !== false) {
$version = true;
$class_name = 'MDB2_Driver_' . $module . '_' . $this->phptype;
$file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name) . '.php';
}
if ($phptype_specific === false || !MDB2::classExists($class_name) && !MDB2::fileExists($file_name)) {
$version = false;
$class_name = 'MDB2_' . $module;
$file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name) . '.php';
}
$err = MDB2::loadClass($class_name, $this->getOption('debug'));
if ((new PEAR())->isError($err)) {
return $err;
}
// load module in a specific version
if ($version) {
if (method_exists($class_name, 'getClassName')) {
$class_name_new = call_user_func(array($class_name, 'getClassName'), $this->db_index);
if ($class_name != $class_name_new) {
$class_name = $class_name_new;
$err = MDB2::loadClass($class_name, $this->getOption('debug'));
if ((new PEAR())->isError($err)) {
return $err;
}
}
}
}
if (!MDB2::classExists($class_name)) {
$err = $this->raiseError(MDB2_ERROR_LOADMODULE, null, null, "unable to load module '{$module}' into property '{$property}'", __FUNCTION__);
return $err;
}
$this->{$property} = new $class_name($this->db_index);
$this->modules[$module] = $this->{$property};
if ($version) {
// this will be used in the connect method to determine if the module
// needs to be loaded with a different version if the server
// version changed in between connects
$this->loaded_version_modules[] = $property;
}
}
return $this->{$property};
}
/**
* loads a module
*
* @param string $module name of the module that should be loaded
* (only used for error messages)
* @param string $property name of the property into which the class will be loaded
* @param boolean $phptype_specific if the class to load for the module
is specific to the phptype
* @return object on success a reference to the given module is returned
* and on failure a PEAR error
* @access public
*/
function &loadModule($module, $property = null, $phptype_specific = null)
{
if (!$property) {
$property = strtolower($module);
}
if (!isset($this->{$property})) {
$version = $phptype_specific;
if ($phptype_specific != false) {
$version = true;
$class_name = 'MDB2_Driver_' . $module . '_' . $this->phptype;
$file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name) . '.php';
} else {
if ($phptype_specific == false || !class_exists($class_name) && !MDB2::fileExists($file_name)) {
$version = false;
$class_name = 'MDB2_' . $module;
//print $class_name . " clase <br>";
$file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name) . '.php';
//print $file_name . " archivo <br>";
}
}
if (!class_exists($class_name)) {
if ($this->options['debug']) {
$include = (include_once $file_name);
} else {
$include = @(include_once $file_name);
}
if (!$include) {
if (!MDB2::fileExists($file_name)) {
$msg = "unable to find module '{$module}' file '{$file_name}'";
} else {
$msg = "unable to load '{$module}' driver class from file '{$file_name}'";
}
$err =& $this->raiseError(MDB2_ERROR_LOADMODULE, null, null, $msg);
return $err;
}
}
// load modul in a specific version
if ($version) {
if (method_exists($class_name, 'getClassName')) {
$class_name_new = call_user_func(array($class_name, 'getClassName'), $this->db_index);
if ($class_name != $class_name_new) {
$class_name = $class_name_new;
$file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name) . '.php';
if ($this->options['debug']) {
$include = (include_once $file_name);
} else {
$include = @(include_once $file_name);
}
if (!$include) {
if (!MDB2::fileExists($file_name)) {
$msg = "unable to find module '{$module}' file '{$file_name}'";
} else {
$msg = "unable to load '{$module}' driver class from file '{$file_name}'";
}
$err =& $this->raiseError(MDB2_ERROR_LOADMODULE, null, null, $msg);
return $err;
}
}
}
}
if (!class_exists($class_name)) {
$err =& $this->raiseError(MDB2_ERROR_LOADMODULE, null, null, "unable to load module '{$module}' into property '{$property}'");
return $err;
}
$this->{$property} =& new $class_name($this->db_index);
$this->modules[$module] =& $this->{$property};
if ($version) {
// this wil be used in the connect method to determine if the module
// needs to be loaded with a different version if the server
// version changed in between connects
$this->loaded_version_modules[] = $property;
}
}
return $this->{$property};
}
