[ expat-Bugs-1157018 ] not well-formed ( invalid token) for Certain XML tags

Bugs item #1157018, was opened at 2005-03-04 17:56
Message generated for change (Comment added) made by kwaclaw
You can respond by visiting: 
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Category: XML::Parser (inactive)
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary:  not well-formed ( invalid token) for Certain XML tags 

Initial Comment:
Hello : 

I have a well formed XML packet  but xmlwf thows out 
error on certain tags 

<entry id="DS000011" version="1">
<timestamp date="2004-11-05" time="22:37:30" 
zone="UNKNOWN"/>
<source mfp="99.99.99.99" service=""/>
<job_info result="success">
<sender email="[email protected]" 
authenticated="false">adad.dadad</sender>
<scan_info page_count="1" size="ltr"/>
<email_info size="888827" method="embedded" 
fileFormat="jpeg" colorSettings="color" 
result="success">
<subject>test</subject>
<email_destination email="[email protected]" 
type="to" result="success"/>
</email_info>
</job_info>
</entry>

 There are lot of other tags before and after these tags ( 
as shown above ). If i remove this particular section the 
xmlwf doesn;t show any error. 

The exact error is 
<LINE NO>:10 : not well-formed (invalid token)

10 is actually the column position. and in the lines 
shown above , "=" is in the column position 10. 

Is there any newer version that handles these kind of 
tags ? or pl. suggest me a work around 

----------------------------------------------------------------------

>Comment By: Karl Waclawek (kwaclaw)
Date: 2005-04-02 22:46

Message:
Logged In: YES 
user_id=290026

Your main parsing code looks OK, although normally
one would use a loop, but in your case it seems the whole
file fits into the buffer.

However, in your character data handler you are
copying to temp_data, which is never allocated.
Haven't looked at the other call-backs.

You should also be aware that the character data
between element tags can be reported through more
than one call-back, so you need to buffer them
and wait for the end-element call-back before
null-terminating them.


----------------------------------------------------------------------

Comment By: Nobody/Anonymous (nobody)
Date: 2005-04-02 21:54

Message:
Logged In: NO 

hello,

i am new to using xml parsers in C. i have been playing with 
expat on a windows machine running cygwin and a gcc 
compiler. The version i am using is 1.95.8. i have written a 
code which i think is ok as its parsing the document ok to 
certain extent only.its giving a invalid token error.i am 
attachig the code and the contents of the xml file if any one 
would point me to wher i might be making a mistake i would 
really appreciate it.

the code is below



/*****************************************************************
* This program reads from an xml file and builds a tree that is 
later used to populate the array structure of nics, cabs etc

 */



#include <stdio.h>
#include <stdlib.h>
#include "expat.h"
#define BUFFSIZE  18192
char Buff[BUFFSIZE];
int Depth;

struct node{

                                char *node_name; //name of the node

                                char **attr_name; //string list of 
attribute name

                                char **attr_val; //array of values of the 
attributes

                                char *text; //text that is associated 
with this node

                                struct node **child; //array of children 
that this node can have

                                struct node *parent; //pointer to the 
parent of the current node

                                int child_no;

                };


/*
This handler is called when ever a start tag is encountered in 
the input stream
*/


static void XMLCALL
start(void *userData, const char *el, const char **attr)

{

  struct node **temp_ptr = (struct node**)userData;
  printf("i am in start\n");
  add_node(temp_ptr, el);

}






/*
This handler is called when ever an end tag is encountered in 
the input stream
*/


static void XMLCALL
end(void *userData, const char *el)

{
  printf("i am in end\n");
  struct node **temp_ptr = (struct node**)userData;
  close_node(temp_ptr);


  }





/*
This handler is called when ever a character tag is 
encountered in the input stream
*/


static void XMLCALL
char_handle(void *userData, const XML_Char *s, int len){

        char *data = (char *)s  ; // pointer to the new string that 
we construct
        char *temp_data;
        int i = len;
        struct node **temp_ptr = (struct node**)userData;

       if (len >1) {

        while(i>0){
			        *temp_data = *data;
        			i--;
        			data++;
        			temp_data++;
	    			}
	    *temp_data = '\0';
	    temp_data = temp_data - len;
	    printf("i am in char handle %s and len=%d\n", 
temp_data,len);
	   }


	  add_text(temp_ptr,data);

    }




void add_node(struct node **void_node_ptr, char *el ){

    struct node* next_node_ptr = (struct node*)malloc(sizeof
(struct node*));
    next_node_ptr->child_no = 0;



    struct node *current_node_ptr = (struct node *)
*void_node_ptr;

    // update the previous node with the address of the current 
node
//	current_node_ptr->child[current_node_ptr-
>child_no] = next_node_ptr;
	//current_node_ptr->child_no++;

	next_node_ptr->node_name = el;
	next_node_ptr->parent = current_node_ptr;

	current_node_ptr = next_node_ptr;

}



void add_text(struct node **void_node_ptr,char *data ){

	struct node *current_node_ptr = (struct node *)
*void_node_ptr;
	current_node_ptr->text = data;
	//printf(" in add_text with %s", current_node_ptr-
>text);

}





void close_node(struct node **void_node_ptr ){

	struct node *current_node_ptr = (struct node *)
*void_node_ptr;
	current_node_ptr = current_node_ptr->parent;

}


void
main(int argc, char *argv[]){

printf("i am in main\n");

  XML_Parser p = XML_ParserCreate(NULL);

  if (! p) {

    fprintf(stderr, "Couldn't allocate memory for parser\n");

    exit(-1);

  }


  //char *testdata = "venu\0";
  struct node *node_ptr = (struct node*)malloc(sizeof(struct 
node*));
  node_ptr->child_no = 0;


  //struct node *current_node_ptr = node_ptr;
  void *userData = (void *)node_ptr;

  XML_SetElementHandler(p, start, end);
  XML_SetCharacterDataHandler(p,char_handle);
  XML_SetUserData(p, &userData);



    FILE *fp;
    int len;
    int done=1;
    fp = fopen("/cygdrive/c/master-project/C-
programming/test2.xml", "r");
    len = fread(Buff, 1, BUFFSIZE, fp);
    printf("bytes read are %d and buffer has %d\n", len,sizeof
(Buff));
    fclose(fp);

    //printf("i am here");

    if (XML_Parse(p,Buff,len,done) == XML_STATUS_ERROR) 
{

              fprintf(stderr, "Parse error at line %d:\n%s\n",

                      XML_GetCurrentLineNumber(p),

                      XML_ErrorString(XML_GetErrorCode(p)));

      exit(-1);

     }

}



The contents of the file are 

<a>
<b>
	<c>kkkk</c>
</b>
<d>
	<e>pppp</e>
</d>
</a>

thanks
venu

----------------------------------------------------------------------

Comment By: Karl Waclawek (kwaclaw)
Date: 2005-03-13 08:56

Message:
Logged In: YES 
user_id=290026

Show us your code - you may have a problem there.

----------------------------------------------------------------------

Comment By: Nobody/Anonymous (nobody)
Date: 2005-03-04 18:02

Message:
Logged In: NO 

Operating System is HP-UX. 

----------------------------------------------------------------------

Comment By: Nobody/Anonymous (nobody)
Date: 2005-03-04 18:01

Message:
Logged In: NO 

Operating System is HP-UX. 

----------------------------------------------------------------------

You can respond by visiting: 
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