Re: [xml] DTD Handlers

2006-07-28 Thread Daniel Veillard 
On Fri, Jul 28, 2006 at 11:35:45AM +0100, srivatsan s wrote:
> I am trying to use libxml DTD handlers.
>   I have the following below example 
>
>
>   
>   This call back xmlSAX2ElementDecl , takes xmlElementContentPtr
>   Whose data Structure is 
>   struct _xmlElementContent {
>   xmlElementContentType type; /* PCDATA, ELEMENT, SEQ or OR */
>   xmlElementContentOccurocur; /* ONCE, OPT, MULT or PLUS */
>   const xmlChar *name;/* Element name */
>   struct _xmlElementContent *c1;  /* first child */
>   struct _xmlElementContent *c2;  /* second child */
>   struct _xmlElementContent *parent;  /* parent */
>   const xmlChar *prefix;  /* Namespace prefix */
>   };
>
>   What are these first child and second child ptrs . 
>   Can anyone explain with the above example .

 impossible because your example uses parameter entity references which 
are not described in your post. Anyway it's a matter of reading and 
understanding the spec as the internal model is a direct mapping:

  http://www.w3.org/TR/REC-xml/#sec-element-content

 it reflects the choice and seq constructions it's a binary tree obviously
once entities are expanded.
 You won't be able to make sense of the libxml2 internals until you understand
the spec, sorry ...

Daniel


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[xml] DTD Handlers

2006-07-28 Thread srivatsan s 
I am trying to use libxml DTD handlers.  I have the following below example       This call back xmlSAX2ElementDecl , takes xmlElementContentPtr  Whose data Structure is   struct _xmlElementContent {      xmlElementContentType type; /* PCDATA, ELEMENT, SEQ or OR */      xmlElementContentOccur    ocur; /* ONCE, OPT, MULT or PLUS */     
 const xmlChar *name;    /* Element name */      struct _xmlElementContent *c1;  /* first child */      struct _xmlElementContent *c2;  /* second child */      struct _xmlElementContent *parent;  /* parent */      const xmlChar *prefix;  /* Namespace prefix */  };     What are these first child and second child ptrs .   Can anyone explain with the above example . 
	

	
		 
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