/// <summary>
/// PackageのVersionを読み込みます。
/// </summary>
/// <param name="info"></param>
/// <param name="package"></param>
/// <returns></returns>
public string ReadVersion(XmlContentsPackageReadInfo info, out XmlContentsPackage package)
{
package = info.Owner.CreateXmlContentsPackage(info.PackageName);
string filename = info.FileName;
XmlTextReader reader = new XmlTextReader(filename);
reader.WhitespaceHandling = WhitespaceHandling.Significant;
try {
while (reader.Read())
{
if (reader.IsStartElement(package.PackageRootElement))
{
string version = reader.GetAttribute(package.PackageRootVersionAttribute);
return(version ?? "");
}
}
}
catch (XmlException ex) {
System.Diagnostics.Debug.WriteLine(ex.GetType().FullName + "\r\n" + ex.Message);
throw;
}
finally {
if (reader != null)
{
reader.Close();
}
}
return("");
}
/// <summary>
/// XmlContentsPackageを読み込みます。
/// </summary>
/// <param name="info"></param>
/// <returns></returns>
public override XmlContentsPackage LoadPackage(XmlContentsPackageReadInfo info)
{
//XmlContentsPackage package = info.Owner.CreateXmlContentsPackage(info.PackageName);
//Version判定のために先読みしたPackageを使用する
XmlContentsPackage package = info.PreLoadedPackage;
string filename = info.FileName;
XmlTextReader reader = new XmlTextReader(filename);
reader.WhitespaceHandling = WhitespaceHandling.Significant;
try {
while (reader.Read())
{
if (reader.IsStartElement(package.PackageRootElement))
{
int count = int.Parse(reader.GetAttribute(package.PackageRootCountAttribute));
for (int i = 0; i < count; i++)
{
XmlContentsReadInfo contentsInfo = new XmlContentsReadInfo()
{
Reader = reader,
Package = package
};
XmlContents contents = this.LoadContents(contentsInfo);
package.AddXmlContents(contents);
}
break;
}
}
}
catch (XmlException ex) {
System.Diagnostics.Debug.WriteLine(ex.GetType().FullName + "\r\n" + ex.Message);
throw;
}
finally {
if (reader != null)
{
reader.Close();
}
}
return(package);
}
/// <summary> /// 派生クラスでオーバーライドされると、パッケージの読み込みを行うメソッドを定義します。 /// </summary> /// <param name="info"></param> /// <returns></returns> public abstract XmlContentsPackage LoadPackage(XmlContentsPackageReadInfo info);
