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  1. <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>F. Code for Add Attribute Example</title><meta name="generator" content="DocBook XSL Stylesheets V1.61.2"><link rel="home" href="index.html" title="Libxml Tutorial"><link rel="up" href="index.html" title="Libxml Tutorial"><link rel="previous" href="ape.html" title="E. Code for Add Keyword Example"><link rel="next" href="apg.html" title="G. Code for Retrieving Attribute Value Example"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">F. Code for Add Attribute Example</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ape.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="apg.html">Next</a></td></tr></table><hr></div><div class="appendix" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="addattributeappendix"></a>F. Code for Add Attribute Example</h2></div></div><div></div></div><p>
    2. 

  2.       </p><pre class="programlisting">
    3. 

  3. #include &lt;stdio.h&gt;
    4. 

  4. #include &lt;string.h&gt;
    5. 

  5. #include &lt;stdlib.h&gt;
    6. 

  6. #include &lt;libxml/xmlmemory.h&gt;
    7. 

  7. #include &lt;libxml/parser.h&gt;
    8. 

  8. 

  9. 

  10. xmlDocPtr
    11. 

  11. parseDoc(char *docname, char *uri) {
    12. 

  12. 

  13. 	xmlDocPtr doc;
    14. 

  14. 	xmlNodePtr cur;
    15. 

  15. 	xmlNodePtr newnode;
    16. 

  16. 	xmlAttrPtr newattr;
    17. 

  17. 

  18. 	doc = xmlParseFile(docname);
    19. 

  19. 	
    20. 

  20. 	if (doc == NULL ) {
    21. 

  21. 		fprintf(stderr,"Document not parsed successfully. \n");
    22. 

  22. 		return (NULL);
    23. 

  23. 	}
    24. 

  24. 	
    25. 

  25. 	cur = xmlDocGetRootElement(doc);
    26. 

  26. 	
    27. 

  27. 	if (cur == NULL) {
    28. 

  28. 		fprintf(stderr,"empty document\n");
    29. 

  29. 		xmlFreeDoc(doc);
    30. 

  30. 		return (NULL);
    31. 

  31. 	}
    32. 

  32. 	
    33. 

  33. 	if (xmlStrcmp(cur-&gt;name, (const xmlChar *) "story")) {
    34. 

  34. 		fprintf(stderr,"document of the wrong type, root node != story");
    35. 

  35. 		xmlFreeDoc(doc);
    36. 

  36. 		return (NULL);
    37. 

  37. 	}
    38. 

  38. 	
    39. 

  39. 	newnode = xmlNewTextChild (cur, NULL, "reference", NULL);
    40. 

  40. 	newattr = xmlNewProp (newnode, "uri", uri);
    41. 

  41. 	return(doc);
    42. 

  42. }
    43. 

  43. 

  44. int
    45. 

  45. main(int argc, char **argv) {
    46. 

  46. 

  47. 	char *docname;
    48. 

  48. 	char *uri;
    49. 

  49. 	xmlDocPtr doc;
    50. 

  50. 

  51. 	if (argc &lt;= 2) {
    52. 

  52. 		printf("Usage: %s docname, uri\n", argv[0]);
    53. 

  53. 		return(0);
    54. 

  54. 	}
    55. 

  55. 

  56. 	docname = argv[1];
    57. 

  57. 	uri = argv[2];
    58. 

  58. 	doc = parseDoc (docname, uri);
    59. 

  59. 	if (doc != NULL) {
    60. 

  60. 		xmlSaveFormatFile (docname, doc, 1);
    61. 

  61. 		xmlFreeDoc(doc);
    62. 

  62. 	}
    63. 

  63. 	return (1);
    64. 

  64. }
    65. 

  65. 

  66. </pre><p>
    67. 

  67.     </p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ape.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="index.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="apg.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">E. Code for Add Keyword Example </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> G. Code for Retrieving Attribute Value Example</td></tr></table></div></body></html>
    68.