ben/sihnon-php-lib
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Update autoloader to handle loading files outside the app

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Previously would fail to load PEAR classes if one of the base prefixes
was redeclared, e.g. Net_*.
This commit is contained in:
Ben Roberts
2011-06-26 18:15:31 +01:00
parent 05464cb189
commit 0510a86c01
1 changed files with 45 additions and 16 deletions
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61
source/lib/SihnonFramework/Main.class.php
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@@ -144,19 +144,28 @@ class SihnonFramework_Main {
if (preg_match("/^{$class['base']}_/", $classname)) { if (preg_match("/^{$class['base']}_/", $classname)) {
// Special case: all related exceptions are grouped into a single file // Special case: all related exceptions are grouped into a single file
if (preg_match("/^({$class['base']}_(?:.*?_)?)Exception/", $classname, $matches)) { if (preg_match("/^({$class['base']}_(?:.*?_)?)Exception/", $classname, $matches)) {
$exceptions_filename = $class['base_dir_prefix'] . preg_replace('/_/', '/', $matches[1]) . 'Exceptions.class.php'; $exceptions_filename = /*$class['base_dir_prefix'] .*/ preg_replace('/_/', '/', $matches[1]) . 'Exceptions.class.php';
if (file_exists($exceptions_filename)) { if (stream_resolve_include_path($exceptions_filename)) {
require_once($exceptions_filename); require_once($exceptions_filename);
} }
return; return;
} }
// Replace any underscores with directory separators // Replace any underscores with directory separators
$filename = $class['base_dir_prefix'] . preg_replace('/_/', '/', $classname) . '.class.php'; $filename = /*$class['base_dir_prefix'] .*/ preg_replace('/_/', '/', $classname) . '.class.php';
// If this file exists, load it // If this file exists, load it
if (file_exists($filename)) { if (stream_resolve_include_path($filename)) {
require_once(realpath($filename)); require_once($filename);
return;
}
// Try again without the .class suffix
$filename = /*$class['base_dir_prefix'] .*/ preg_replace('/_/', '/', $classname) . '.php';
// If this file exists, load it
if (stream_resolve_include_path($filename)) {
require_once($filename);
return; return;
} }
} elseif ($class['subclass'] && preg_match("/^{$class['subclass']}_/", $classname)) { } elseif ($class['subclass'] && preg_match("/^{$class['subclass']}_/", $classname)) {
@@ -165,8 +174,8 @@ class SihnonFramework_Main {
// Special case: all related exceptions are grouped into a single file // Special case: all related exceptions are grouped into a single file
if (preg_match("/^({$class['subclass']}_(?:.*?_)?)Exception/", $classname, $matches)) { if (preg_match("/^({$class['subclass']}_(?:.*?_)?)Exception/", $classname, $matches)) {
$exceptions_filename = $class['subclass_dir_prefix'] . preg_replace('/_/', '/', $matches[1]) . 'Exceptions.class.php'; $exceptions_filename = /*$class['subclass_dir_prefix'] .*/ preg_replace('/_/', '/', $matches[1]) . 'Exceptions.class.php';
if (file_exists($exceptions_filename)) { if (stream_resolve_include_path($exceptions_filename)) {
require_once($exceptions_filename); require_once($exceptions_filename);
} else { } else {
// Create this class to extend the Framework parent // Create this class to extend the Framework parent
@@ -177,11 +186,11 @@ class SihnonFramework_Main {
} }
// Replace any underscores with directory separators // Replace any underscores with directory separators
$filename = $class['subclass_dir_prefix'] . preg_replace('/_/', '/', $classname) . '.class.php'; $filename = /*$class['subclass_dir_prefix'] .*/ preg_replace('/_/', '/', $classname) . '.class.php';
// If this file exists, load it // If this file exists, load it
if (file_exists($filename)) { if (stream_resolve_include_path($filename)) {
require_once(realpath($filename)); require_once($filename);
return; return;
} else { } else {
// Create this class to extend the Framework parent // Create this class to extend the Framework parent
@@ -209,19 +218,39 @@ class SihnonFramework_Main {
* @param unknown_type $subclass_dir_prefix * @param unknown_type $subclass_dir_prefix
*/ */
public static function registerAutoloadClasses($base, $base_dir_prefix, $subclass = null, $subclass_dir_prefix = null) { public static function registerAutoloadClasses($base, $base_dir_prefix, $subclass = null, $subclass_dir_prefix = null) {
$canonical_base_dir_prefix = static::makeAbsolutePath($base_dir_prefix);
if ( ! $canonical_base_dir_prefix) {
throw new SihnonFramework_Exception_FileNotFound($base_dir_prefix);
}
// The paths must end with a trailing slash // The paths must end with a trailing slash
if ($base_dir_prefix && $base_dir_prefix[strlen($base_dir_prefix) - 1] != DIRECTORY_SEPARATOR) { if ($canonical_base_dir_prefix && $canonical_base_dir_prefix[strlen($canonical_base_dir_prefix) - 1] != DIRECTORY_SEPARATOR) {
$base_dir_prefix .= DIRECTORY_SEPARATOR; $canonical_base_dir_prefix .= DIRECTORY_SEPARATOR;
} }
if ($subclass_dir_prefix && $subclass_dir_prefix[strlen($subclass_dir_prefix) - 1] != DIRECTORY_SEPARATOR) {
$subclass_dir_prefix .= DIRECTORY_SEPARATOR; $include_path_prefix = $canonical_base_dir_prefix . PATH_SEPARATOR;
$canonical_subclass_dir_prefix = null;
if ($subclass_dir_prefix) {
$canonical_subclass_dir_prefix = static::makeAbsolutePath($subclass_dir_prefix);
if ( ! $canonical_subclass_dir_prefix) {
throw new SihnonFramework_Exception_FileNotFound($subclass_dir_prefix);
} }
if ($canonical_subclass_dir_prefix[strlen($canonical_subclass_dir_prefix) - 1] != DIRECTORY_SEPARATOR) {
$canonical_subclass_dir_prefix .= DIRECTORY_SEPARATOR;
}
$include_path_prefix = $canonical_subclass_dir_prefix . PATH_SEPARATOR . $include_path_prefix;
}
set_include_path($include_path_prefix . get_include_path());
array_unshift(self::$autoload_classes, array( array_unshift(self::$autoload_classes, array(
'base' => $base, 'base' => $base,
'base_dir_prefix' => $base_dir_prefix, 'base_dir_prefix' => $canonical_base_dir_prefix,
'subclass' => $subclass, 'subclass' => $subclass,
'subclass_dir_prefix' => $subclass_dir_prefix, 'subclass_dir_prefix' => $canonical_subclass_dir_prefix,
)); ));
} }