I have a requirement, where I would not want to have the entire xml data in memory and preferably writing out canonicalized XML to IO . I had a few questions to understand this better
I was planning on doing the following - creating an OutputBuffer using the API - xmlOutputBufferCreateIO<http://xmlsoft.org/html/libxml-xmlIO.html#xmlOutputBufferCreateIO>( xmlOutputWriteCallback<http://xmlsoft.org/html/libxml-xmlIO.html#xmlOutputWriteCallback>iowrite, xmlOutputCloseCallback<http://xmlsoft.org/html/libxml-xmlIO.html#xmlOutputCloseCallback>ioclose, void * ioctx, xmlCharEncodingHandlerPtr<http://xmlsoft.org/html/libxml-encoding.html#xmlCharEncodingHandlerPtr>encoder) // as I need to stream to I/O - then using the API xmlTextWriterPtr<http://xmlsoft.org/html/libxml-xmlwriter.html#xmlTextWriterPtr>xmlNewTextWriter ( xmlOutputBufferPtr<http://xmlsoft.org/html/libxml-tree.html#xmlOutputBufferPtr>out) , to create an xmlWriterObject - write out the xml nodes based on my application logic Quesions 1. When will the actual write ( to I/O , in my case )occur ? Could it occur before the entire document is fully completed? 2. Is there a way where I could stream xml data directly to IO without building the tree in memory ( using DOM API's)? 3 If there is a way to do (2) , then is there a way to specify that the output be canonicalized ? Thanks in advance
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