public void Open(string fileName)
{
if (_zipOutputStream != null || _delegateWriter != null)
{
this.Close();
}
_zipOutputStream = ZipFactory.CreateArchive(fileName);
}
// TODO: throw an exception if "target" attribute not set
public override void WriteString(string text)
{
Node elt = (Node)elements.Peek();
if (!elt.Ns.Equals(ZIP_POST_PROCESS_NAMESPACE) && !elt.Ns.Equals(PIC_POST_PROCESS_NAMESPACE) && !elt.Ns.Equals(OLE_POST_PROCESS_NAMESPACE))
{
if (delegateWriter != null)
{
delegateWriter.WriteString(text);
}
}
else
{
// Pick up the target attribute
if (attributes.Count > 0)
{
Node attr = (Node)attributes.Peek();
if (attr.Ns.Equals(ZIP_POST_PROCESS_NAMESPACE) || attr.Ns.Equals(PIC_POST_PROCESS_NAMESPACE) || attr.Ns.Equals(OLE_POST_PROCESS_NAMESPACE))
{
switch (elt.Name)
{
case ARCHIVE_ELEMENT: //archive
// Prevent nested archive creation
if (processingState == ProcessingState.None && attr.Name.Equals("target"))
{
logger.Info("creating archive : " + text);
// 输出包的路径放在式样单中间文档元素<archive Target="包路径名">中了，
// 从中提取即可，当然也可以直接传递过来
zipOutputStream = ZipFactory.CreateArchive(text);
processingState = ProcessingState.EntryWaiting;
}
break;
case PART_ELEMENT: //entry
// Prevent nested entry creation
if (processingState == ProcessingState.EntryWaiting && attr.Name.Equals("target"))
{
logger.Info("creating new part : " + text);
//此处的text是entry的target属性的值，也就是文件的路径
zipOutputStream.AddEntry(text);
delegateWriter = XmlWriter.Create(zipOutputStream, delegateSettings);
processingState = ProcessingState.EntryStarted;
delegateWriter.WriteStartDocument();
}
break;
case OLE_DRAW:
case OLE_DRAWRELS:
case OLE_EMBEDDING: //ole
case PIC_ELEMENT: //picture
if (processingState != ProcessingState.None)
{
if (attr.Name.Equals("target"))
{
binarySource += text;
logger.Info("picture: target=" + binarySource);
}
}
break;
}
}
}
}
}
// TODO: throw an exception if "target" attribute not set
public override void WriteString(string text)
{
Node elt = (Node)elements.Peek();
if (!elt.Ns.Equals(ZIP_POST_PROCESS_NAMESPACE))
{
if (delegateWriter != null)
{
delegateWriter.WriteString(text);
}
}
else
{
// Pick up the target attribute
if (attributes.Count > 0)
{
Node attr = (Node)attributes.Peek();
if (attr.Ns.Equals(ZIP_POST_PROCESS_NAMESPACE))
{
switch (elt.Name)
{
case ARCHIVE_ELEMENT:
// Prevent nested archive creation
if (processingState == ProcessingState.None && attr.Name.Equals("target"))
{
Debug.WriteLine("creating archive : " + text);
// 输出包的路径放在式样单中间文档元素<archive Target="包路径名">中了，
// 从中提取即可，当然也可以直接传递过来
zipOutputStream = ZipFactory.CreateArchive(text);
processingState = ProcessingState.EntryWaiting;
binaries = new Hashtable();
}
break;
case PART_ELEMENT:
// Prevent nested entry creation
if (processingState == ProcessingState.EntryWaiting && attr.Name.Equals("target"))
{
Debug.WriteLine("creating new part : " + text);
//此处的text是entry的target属性的值，也就是文件的路径
zipOutputStream.AddEntry(text);
delegateWriter = XmlWriter.Create(zipOutputStream, delegateSettings);
processingState = ProcessingState.EntryStarted;
delegateWriter.WriteStartDocument();
}
break;
case COPY_ELEMENT:
if (processingState != ProcessingState.None)
{
if (attr.Name.Equals("source"))
{
// binarySource是存放base64数据的标识符值
// <uof:其他对象 uof:locID="u0036"
// uof:attrList="标识符 内嵌 公共类型 私有类型"
// uof:标识符="OBJ00002" uof:内嵌="false" uof:公共类型="png">
// 即OBJ00002，该标识符唯一确定一个其他对象，进而得到其中的base64数据
binarySource += text;
Debug.WriteLine("copy source=" + binarySource);
}
if (attr.Name.Equals("target"))
{
// binaryTarget存放二进制图片在OOX包中的位置
binaryTarget += text;
Debug.WriteLine("copy target=" + binaryTarget);
}
}
break;
}
}
}
}
}