<?php
/**檢查 XML 文件結構
* @param string $baseFilePath 基準結構文件
* @param string $checkFilePath 待檢查文件
* @return bool 當結構與基準文件相符合時則回傳 true，否則是 false
* */
function checkXmlFileStructure($baseFilePath,$checkFilePath){
/*開啟 Base File*/
if(!file_exists($baseFilePath)){ return false; }
$base = simplexml_load_file($baseFilePath);
if($base===false){ return false; }
/*開啟 Check File*/
if(!file_exists($checkFilePath)){ return false; }
$check = simplexml_load_file($checkFilePath);
if($check===false){ return false; }
/*比較起始點的名稱*/
if($base->getName() != $check->getName()){ return false; }
/*比較結構*/
return checkXmlStructure($base,$check);
}
/**檢查 XML 結構
* @param SimpleXMLElement $base 基準結構物件
* @param SimpleXMLElement $check 待檢查 XML 物件
* @return bool 當結構與基準物件相符合時則回傳 true，否則是 false
* */
function checkXmlStructure($base,$check){
/*檢查屬性*/
foreach ($base->attributes() as $name => $baseAttr){
/*必要的屬性不存在*/
if(!isset($check->attributes()->$name)){ return false; }
}
/*當沒有子節點時，則檢查對象也不能有子節點*/
if(count($base->children())==0){
return (count($check->children())==0);
}
/*將檢查對象的子節點分群*/
$checkChilds = array();
foreach($check->children() as $name => $child){
$checkChilds[$name][] = $child;
}
/*檢查子節點*/
$checked = array();
foreach($base->children() as $name => $baseChild){
/*跳過已經檢查的子節點*/
if(in_array($name, $checked)){ continue; }
$checked[] = $name;
/*檢查必要的子節點是否存在*/
if(empty($checkChilds[$name])){ return false; }
foreach ($checkChilds[$name] as $child){
/*遞迴檢查子節點*/
if( !checkXmlStructure($baseChild, $child) ){ return false; }
}
}
return true;
}
/*==============================================================================*/
if(isset($_SERVER['argv'])){
parse_str(preg_replace('/&[\-]+/','&',join('&',$_SERVER['argv'])), $_GET);
if(empty($_GET['base_file']) || empty($_GET['check_file'])){
echo "Run: ".basename(__FILE__)." base_file=base.xml check_file=check.xml\n"; exit(1);
}
exit( checkXmlFileStructure($_GET['base_file'],$_GET['check_file']) ? 0 : 1);
}else{
if(empty($_GET['base_file']) || empty($_GET['check_file'])){
echo "Run: ".basename(__FILE__)."?base_file=base.xml&check_file=check.xml<br />"; exit;
}
echo( checkXmlFileStructure($_GET['base_file'],$_GET['check_file']) ? '1' : '0');
}
使用方式(shell)
php check_xml_file_structure.php base_file=base.xml check_file=check.xml
if [ "j$?" != "j0" ]; then
echo "Run Error"
fi
測試範例 1
base_1.xml
<?xml version="1.0" encoding="UTF-8"?>
<items>
<item>
<Category>Category文字</Category>
<Title>Title文字</Title>
</item>
</items>
check_1.xml
<?xml version="1.0" encoding="UTF-8"?>
<items>
<item>
<Category>Category文字</Category>
<Title>Title文字</Title>
</item>
<item>
<Category>Category文字</Category>
<Title>Title文字</Title>
<Description>Description文字</Description>
</item>
</items>
測試範例 2
base_2.xml
<?xml version="1.0" encoding="UTF-8"?>
<items>
<item category="Category文字" Title="Title文字"/>
</items>
check_2.xml
<?xml version="1.0" encoding="UTF-8"?>
<items>
<item category="Category文字" Title="Title文字" Description="Description文字" />
<item category="Category文字" Title="Title文字" />
<item category="Category文字" Title="Title文字" Description="Description文字" />
</items>