public function active(IObject $aParent, string $aSource, $nPosition)
{
Assert::type("org\\jecat\\framework\\ui\\xhtml\\Tag", $aParent, 'aParent');
$sByte = $aSource->byte($nPosition);
if (in_array($sByte, array('"', "'"))) {
$nStartPos = $nPosition + 1;
$sBorder = $sByte;
} else {
$nStartPos = $nPosition;
$sBorder = null;
}
$aAttriVal = new AttributeValue(null, $sBorder, $nStartPos, ObjectBase::getLine($aSource, $nStartPos));
$aParent->attributes()->add($aAttriVal);
$aAttriVal->setParent($aParent);
if ($sByte == '=') {
$aAttriVal->setEndPosition($nPosition);
$aAttriVal->setSource($sByte);
return $aParent;
} else {
// 只有一个字节的属性值
$nNextPos = $nPosition + 1;
if (ParserStateTag::singleton()->examineEnd($aSource, $nNextPos, $aAttriVal)) {
return $this->complete($aAttriVal, $aSource, $nPosition);
}
return $aAttriVal;
}
}
public function active(IObject $aParent, string $aSource, $nPosition)
{
$sStartMacro = $this->determineMacroBorder($aSource, $nPosition);
$aMacro = new Macro($aSource->byte($nPosition + strlen($sStartMacro)), $nPosition, 0, ObjectBase::getLine($aSource, $nPosition), '');
$aMacro->setBorder($sStartMacro, $this->arrMacroBorder[$sStartMacro]);
$aParent->add($aMacro);
return $aMacro;
}
/**
* return IObject
*/
public function parse(string $aSource, ObjectContainer $aObjectContainer, UI $aUI)
{
$nProcIndex = 0;
$aState = ParserStateDefault::singleton();
$aCurrentObject = $aRootObject = new ObjectBase(0, $aSource->length() - 1, 0, '');
while ($nProcIndex < $aSource->length()) {
$aNewState = $aState->examineStateChange($aSource, $nProcIndex, $aCurrentObject);
if ($aNewState) {
// 切换状态
if ($aNewState != $aState) {
//
$aCurrentObject = $aState->sleep($aCurrentObject, $aSource, $nProcIndex - 1);
$aCurrentObject = $aNewState->active($aCurrentObject, $aSource, $nProcIndex);
// 状态变化
$aState = ParserState::queryState($aCurrentObject);
}
} else {
$aCurrentObject = $aState->complete($aCurrentObject, $aSource, $nProcIndex);
if (!$aCurrentObject) {
break;
}
$aCurrentObject = ParserState::queryState($aCurrentObject)->wakeup($aCurrentObject, $aSource, $nProcIndex);
// 状态变化
$aState = ParserState::queryState($aCurrentObject);
}
$nProcIndex++;
}
// 未完成的对象
if ($aCurrentObject != $aRootObject) {
$aBuff = new OutputStreamBuffer();
$aRootObject->printStruct($aBuff);
throw new Exception("<pre>\r\n分析UI模板时遇到未完成的对象：%s\r\n%s\r\n</pre>", array($aCurrentObject->summary(), $aBuff));
}
$aObjectContainer->clear();
foreach ($aRootObject->iterator() as $aObject) {
$aObjectContainer->add($aObject);
}
}
public function active(IObject $aParent, string $aSource, &$nPosition)
{
$nLine = ObjectBase::getLine($aSource, $nPosition);
$nStartPos = $nPosition;
// 标签名称
if (!($sTagName = $this->parseTagName($aSource, $nPosition))) {
throw new Exception("UI引擎在分析模板时遇到无效的xhtml节点：缺少节点名称(位置：%d行)", $nLine);
}
$aTag = new Tag($sTagName, null, 0, $nStartPos, 0, $nLine, '');
// 尾标签
if ($sTagName[0] == '/') {
if (!$aParent instanceof Node) {
throw new Exception("错误类型");
}
$aTag->setTagType(Tag::TYPE_TAIL);
$aTag->setName(substr($sTagName, 1));
$aParent->setTailTag($aTag);
} else {
$aTag->setTagType(Tag::TYPE_HEAD);
$aNode = new Node($aTag);
$aParent->add($aNode);
}
return $aTag;
}
public function summary()
{
return parent::summary() . "; tag name: " . $this->tagName();
}
public function active(IObject $aParent, string $aSource, $nPosition)
{
$aText = new Text($nPosition, 0, ObjectBase::getLine($aSource, $nPosition), '');
$aParent->add($aText);
return $aText;
}
