/**
* 建立分类所属关系的树形结构
* $aModelList 中的子元素必须拥有 lft 字段值
*
* 改造参数$aModelList中的元素,将元素间的关系保存在元素的属性中,$aModelList的迭代顺序依然不变
* 如果 $bReturnTopModels=true 则返回一个包含所有 第一层分类的数组
*/
public static function buildTree(ModelList $aModelList, $bReturnTopModels = false)
{
$aParentStack = new Stack();
if ($bReturnTopModels) {
$arrTopCategories = array();
}
// 按照 lft 排序
$aModelList->sortChildren(function (Model $aModelA, Model $aModelB) {
if ($aModelA->lft > $aModelB->lft) {
return 1;
} else {
if ($aModelA->lft == $aModelB->lft) {
return 0;
} else {
return -1;
}
}
});
foreach ($aModelList as $nIdx => $aModel) {
for (; ($nParentIdx = $aParentStack->get()) !== false; $aParentStack->out()) {
if ($aModelList->data('lft', $nParentIdx) < $aModel->lft and $aModelList->data('rgt', $nParentIdx) > $aModel->rgt) {
break;
}
}
if ($nParentIdx !== false) {
self::addChildCategory($aModelList, $nParentIdx, $nIdx);
} else {
self::setDepth($aModel, 0);
if ($bReturnTopModels) {
$arrTopCategories[] = $nIdx;
}
}
$aParentStack->put($nIdx);
}
return $bReturnTopModels ? new ModelListIterator($aModelList, $arrTopCategories) : null;
}
private function generateAndWeaveAroundAdviceDefines(GenerateStat $aStat, Stack $aAdvices)
{
$aBodyEnd = $aStat->aAdvicesDispatchFunc->endToken();
// 织入advice调用代码
if ($aFirstAdvice = $aAdvices->get()) {
$aStat->aTokenPool->insertBefore($aBodyEnd, new Token(T_STRING, "\r\n\t\t// around advices ----\r\n"));
$sAdviceFuncName = $this->generateAdviceWeavedFunctionName($aStat, $aFirstAdvice);
// 在 AdviceDispatchFunction 中设置一个 around 类型 advice 的调用代码
$sCallType = $this->generateAdviceCalltype($aStat, $aFirstAdvice);
$this->weaveAroundAdviceCall($aStat, "{$sCallType}{$sAdviceFuncName}({$aStat->sAdviceCallArgvsLit})");
// 陆续植入各个 around 类型 advice
while ($aAdvice = $aAdvices->out()) {
// 生成advice定义代码
$aAdviceDefine = $this->generateAdviceDefine($aAdvice, $aStat, $aAdvices->get() ?: null);
// 织入advice定义代码
$aStat->aTokenPool->insertAfter($aBodyEnd, $aAdviceDefine);
}
} else {
$this->weaveAroundAdviceCall($aStat, $aStat->sOriginJointCode . "({$aStat->sOriginCallArgvsLit})", true);
}
}
