/**
* @return ParserState
*/
public static function queryState(IObject $aObject)
{
if ($aObject instanceof Tag) {
return ParserStateTag::singleton();
} else {
if ($aObject instanceof AttributeValue) {
return ParserStateAttribute::singleton();
} else {
if ($aObject instanceof Node) {
return ParserStateNode::singleton();
} else {
if ($aObject instanceof Macro) {
return ParserStateMacro::singleton();
} else {
if ($aObject instanceof Text) {
return ParserStateText::singleton();
} else {
if ($aObject instanceof ObjectBase) {
return ParserStateDefault::singleton();
} else {
throw new Exception("!?");
}
}
}
}
}
}
}
public function complete(IObject $aObject, string $aSource, $nPosition)
{
Assert::type("org\\jecat\\framework\\ui\\xhtml\\Tag", $aObject, 'aObject');
$aNode = $aObject->parent();
Assert::type("org\\jecat\\framework\\ui\\xhtml\\Node", $aNode);
$sTagLen = $nPosition - $aObject->position() + 1;
$sTagSource = $aSource->substr($aObject->position(), $sTagLen);
$aObject->setSource($sTagSource);
$aObject->setEndPosition($nPosition);
// 单行标签
if ($sTagSource[strlen($sTagSource) - 2] == '/') {
if ($aObject->isTail()) {
throw new Exception("UI引擎在分析模板时无法确定标签类型，不能同时是尾标签和单行标签。位置：%d行", $aObject->line());
}
$aObject->setTagType(Tag::TYPE_SINGLE);
}
// 头标签/单行标签
if ($aObject->isHead()) {
// 处理属性
$aAttrs = $aObject->attributes();
$aAttrValIterator = $aAttrs->valueIterator();
$arrAttrs = array();
$arrRemoveVal = array();
$aPrevAttrVal = null;
for ($aAttrValIterator->rewind(); $aVal = $aAttrValIterator->current(); $aAttrValIterator->next()) {
if ($aVal->source() == '=') {
// 属性名
if (!$aPrevAttrVal) {
throw new Exception("UI引擎在分析模板时遇到空属性名称。位置：%d行", $aVal->line());
}
$aAttrName = $aPrevAttrVal;
if ($aAttrName->quoteType()) {
throw new Exception("UI引擎在分析模板时遇到无效的节点属性名称，属性名称不能使用引号。位置：%d行", $aAttrName->line());
}
$sAttrName = $aAttrName->source();
// 属性值
$aAttrValIterator->next();
$aAttrVal = $aAttrValIterator->current();
if (!$aAttrVal) {
continue;
throw new Exception("UI引擎在分析模板时遇到错误：属性名:%s没有对应的属性值。位置：%d行", array($sAttrName, $aVal->line()));
}
$aAttrVal->setName($sAttrName);
// 移除 val name
array_pop($arrAttrs);
$arrAttrs[] = $aAttrVal;
} else {
$arrAttrs[] = $aVal;
}
$aPrevAttrVal = $aAttrValIterator->current();
}
$aAttrs->clear();
foreach ($arrAttrs as $aAttrVal) {
$aAttrs->add($aAttrVal);
}
if ($aObject->isSingle()) {
// 单行标签节点结束
return ParserStateNode::singleton()->complete($aNode, $aSource, $nPosition);
} else {
return $aNode;
}
} else {
if ($aObject->isTail()) {
if ($aNode->tagName() != $aObject->name()) {
throw new Exception("遇到不匹配的XHTML节点，头标签:%s(line:%d), 尾标签:%s(line:%d)", array($aNode->tagName(), $aNode->line(), $aObject->name(), $aObject->line()));
}
// 节点结束
return ParserStateNode::singleton()->complete($aNode, $aSource, $nPosition);
} else {
throw new Exception("遇到无效的xhtml标签。源文：%s", $sTagSource);
}
}
}