public static function createFromToken(FunctionDefine $aFunctionDefine, Aspect $aAspect)
{
if (!($aClassDefine = $aFunctionDefine->belongsClass())) {
throw new Exception("传入的 \$aFunctionDefine 参数无效，必须是一个类方法的定义Token");
}
if (!($aDocToken = $aFunctionDefine->docToken())) {
throw new Exception("传入了无效Advice %s::%s() ：没有DocComment申明。", array($aClassDefine->fullName(), $aFunctionDefine->name()));
}
$aDocComment = $aDocToken->docComment();
$sPosition = null;
if ($aDocComment->hasItem('advice')) {
$sPosition = $aDocComment->item('advice');
$sPosition = trim($sPosition);
$sPosition = strtolower($sPosition);
}
if (!$sPosition) {
$sPosition = self::after;
}
$aAdvice = new self($aFunctionDefine->name(), $aFunctionDefine->bodySource(), $sPosition, $aFunctionDefine);
$aAdvice->aDefineAspect = $aAspect;
// for pointcut
foreach ($aDocComment->itemIterator('for') as $sPointcutName) {
if (!($aPointcut = $aAspect->pointcuts()->getByName($sPointcutName))) {
throw new Exception("定义Aspect %s 的 Advice %s 时，申明了一个不存在的 Pointcut: %s 。", array($sAspectName, $aAdvice->name(), $sPointcutName));
}
$aAdvice->arrForPointcuts[] = $sPointcutName;
}
return $aAdvice;
}
public function addFunction(FunctionDefine $aFunction)
{
if ($aClass = $aFunction->belongsClass()) {
$sClassName = $aClass->fullName();
} else {
$sClassName = '';
}
if (!($sFuncName = $aFunction->name())) {
$sFuncName = '';
}
$this->arrMethods[$sClassName][$sFuncName] = $aFunction;
}
public static function createFromToken(FunctionDefine $aFunctionDefine)
{
if (!($aClassDefine = $aFunctionDefine->belongsClass())) {
throw new Exception("传入的 \$aFunctionDefine 参数无效，必须是一个类方法的定义Token");
}
try {
$aMethodRef = new \ReflectionMethod($aClassDefine->fullName(), $aFunctionDefine->name());
} catch (\Exception $e) {
throw new Exception("无法找到 Pointcut %s::%s 的定义", array($aClassDefine->fullName(), $aFunctionDefine->name()), $e);
}
// 检查参数（不能有非可缺省的参数）
if ($aMethodRef->getNumberOfRequiredParameters()) {
throw new Exception("Pointcut %s::%s() 的定义无效：要求了非可缺省的参数; 请检查该Pointcut的参数表。", array($aClassDefine->fullName(), $aFunctionDefine->name()));
}
// 声明为静态方法
if ($aMethodRef->isStatic()) {
if (!$aMethodRef->isPublic()) {
throw new Exception("Pointcut %s::%s() 声明为 static 类型，static 类型的 Pointcut 必须为 public。", array($aClassDefine->fullName(), $aFunctionDefine->name()));
}
$arrJointPoints = call_user_func(array($aClassDefine->fullName(), $aFunctionDefine->name()));
} else {
try {
$aClassRef = new \ReflectionClass($aClassDefine->fullName());
} catch (\Exception $e) {
throw new Exception("无法找到 Aspect %s 的定义，无法定义Pointcut：%s::%s", array($aClassDefine->fullName(), $aClassDefine->fullName(), $aFunctionDefine->name()), $e);
}
// 检查该类的构造函数的参数
if ($aConstructor = $aClassRef->getConstructor() and $aConstructor->getNumberOfRequiredParameters()) {
throw new Exception("由于 Pointcut %s::%s() 没有被申明为 static ，则所属的Aspect(%s)的构造函数不能要求非可省的参数。将 Pointcut %s::%s() 声明为 static，或者取消Aspect(%s)的构造函数所要求的非可省参数。", array($aClassDefine->fullName(), $aFunctionDefine->name(), $aClassDefine->fullName(), $aClassDefine->fullName(), $aFunctionDefine->name(), $aClassDefine->fullName()));
}
$aMethodRef->setAccessible(true);
$arrJointPoints = $aMethodRef->invokeArgs($aClassRef->newInstanceArgs(), array());
}
$aPointcut = new self($aFunctionDefine->name());
$aPointcut->sDefineMethod = $aFunctionDefine->name();
if (is_array($arrJointPoints)) {
foreach ($arrJointPoints as $aJointPoint) {
if ($aJointPoint instanceof JointPoint) {
$aPointcut->jointPoints()->add($aJointPoint);
$aJointPoint->setPointcut($aPointcut);
} else {
throw new Exception("Pointcut %s::%s 的定义中，申明了无效的 JointPoint: %s", array($aClassDefine->fullName(), $aFunctionDefine->name(), var_export($aJointPoint, true)));
}
}
}
return $aPointcut;
}
