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added $scope to getModuleAlias, 

added dependency/conflict checks
This commit is contained in:
Roland Gruber 2004-02-21 17:25:18 +00:00
parent 31f1e75beb
commit b27e550dde
1 changed files with 68 additions and 9 deletions
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71
lam/lib/modules.inc
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@ -44,11 +44,14 @@ while ($stay<7) {
}
// returns the alias name of a module
function getModuleAlias($name) {
$eval = '$return = '.$name.'::get_alias();';
eval ($eval);
return $return;
}
function getModuleAlias($name, $scope) {
return call_user_func(array($name, "get_alias"), $scope);
}
// returns if the module is a base module
function is_base_module($name, $scope) {
return call_user_func(array($name, "is_base_module"), $scope);
}
// returns a hash array (module name => dependencies) of all user module dependencies
// dependencies contains an array with two sub arrays: depends, conflicts
@ -69,6 +72,62 @@ function getModulesDependencies($scope) {
}
// checks if there are missing dependencies between modules
// $selected is an array of selected module names
// $deps is an array of module dependencies
// returns false if no misssing dependency was found
// returns an array of array(selected module, depending module) if missing dependencies were found
function check_module_depends($selected, $deps) {
$ret = array();
for ($m = 0; $m < sizeof($selected); $m++) { // check selected modules
for ($i = 0; $i < sizeof($deps[$selected[$m]]['depends']); $i++) { // check dependencies of module
// check if we have OR-combined modules
if (is_array($deps[$selected[$m]]['depends'][$i])) {
// one of the elements is needed
$found = false;
$depends = $deps[$selected[$m]]['depends'][$i];
for ($d = 0; $d < sizeof($depends); $d++) {
if (in_array($depends[$d], $selected)) {
$found = true;
break;
}
}
if (! $found) {
// missing dependency, add to return value
$ret[] = array($selected[$m], implode(" || ", $depends));
}
}
else {
// single dependency
if (! in_array($deps[$selected[$m]]['depends'][$i], $selected)) {
// missing dependency, add to return value
$ret[] = array($selected[$m], $deps[$selected[$m]]['depends'][$i]);
}
}
}
}
if (sizeof($ret) > 0) return $ret;
else return false;
}
// checks if there are conflicts between modules
// $selected is an array of selected module names
// $deps is an array of module dependencies
// returns false if no conflict was found
// returns an array of array(selected module, conflicting module) if conflicts were found
function check_module_conflicts($selected, $deps) {
$ret = array();
for ($m = 0; $m < sizeof($selected); $m++) {
for ($i = 0; $i < sizeof($deps[$selected[$m]]['conflicts']); $i++) {
if (in_array($deps[$selected[$m]]['conflicts'][$i], $selected)) {
$ret[] = array($selected[$m], $deps[$selected[$m]]['conflicts'][$i]);
}
}
}
if (sizeof($ret) > 0) return $ret;
else return false;
}
// returns an array with all available user module names
function getAvailableModules($scope) {
// scope = suer, group, host, ....
@ -79,7 +138,7 @@ function getAvailableModules($scope) {
$entry = substr($entry, 0, strpos($entry, '.'));
$eval = '$module = '.$entry."::get_dependencies(".$scope.");";
eval ($eval);
if ($module != -1) $return[] = getModuleAlias($entry);
if ($module != -1) $return[] = getModuleAlias($entry, $scope);
}
return $return;
}