src/libopensrf/xml_utils.c

   1 #include <opensrf/xml_utils.h>
   2
   3 /* helper function */
   4 static jsonObject* _xmlToJSON(xmlNodePtr node, jsonObject*);
   5
   6 void recurse_doc( xmlNodePtr node ) {
   7         if( node == NULL ) return;
   8         printf("Recurse: %s =>  %s", node->name, node->content );
   9         xmlNodePtr t = node->children;
  10         while(t) {
  11                 recurse_doc(t);
  12                 t = t->next;
  13         }
  14 }
  15
  16
  17
  18 jsonObject* xmlDocToJSON(xmlDocPtr doc) {
  19         if(!doc) return NULL;
  20         return _xmlToJSON(xmlDocGetRootElement(doc), NULL);
  21 }
  22
  23 static jsonObject* _xmlToJSON(xmlNodePtr node, jsonObject* obj) {
  24
  25         if(!node) return NULL;
  26         if(xmlIsBlankNode(node)) return NULL;
  27         if(obj == NULL) obj = jsonNewObject(NULL);
  28
  29         if(node->type == XML_TEXT_NODE) {
  30                 jsonObjectSetString(obj, (char*) node->content);
  31
  32         } else if(node->type == XML_ELEMENT_NODE || node->type == XML_ATTRIBUTE_NODE ) {
  33
  34                 jsonObject* new_obj = jsonNewObject(NULL);
  35
  36                 jsonObject* old;
  37
  38                 /* do the duplicate node / array shuffle */
  39                 if( (old = jsonObjectGetKey(obj, (char*) node->name)) ) {
  40                         if(old->type == JSON_ARRAY ) {
  41                                 jsonObjectPush(old, new_obj);
  42                         } else {
  43                                 jsonObject* arr = jsonNewObject(NULL);
  44                                 jsonObjectPush(arr, jsonObjectClone(old));
  45                                 jsonObjectPush(arr, new_obj);
  46                                 jsonObjectSetKey(obj, (char*) node->name, arr);
  47                         }
  48                 } else {
  49                         jsonObjectSetKey(obj, (char*) node->name, new_obj);
  50                 }
  51
  52                 xmlNodePtr child = node->children;
  53                 if (child) { // at least one...
  54                         if (child != node->last) { // more than one -- ignore TEXT nodes
  55                                 while(child) {
  56                                         if (child->type != XML_TEXT_NODE) _xmlToJSON(child, new_obj);
  57                                         child = child->next;
  58                                 }
  59                         } else {
  60                                 _xmlToJSON(child, new_obj);
  61                         }
  62                 }
  63         }
  64
  65         return obj;
  66 }
  67
  68
  69 char* xmlDocToString(xmlDocPtr doc, int full) {
  70
  71         if(!doc) return NULL;
  72
  73         char* xml;
  74
  75         if(full) {
  76
  77                 xmlChar* xmlbuf;
  78                 int size;
  79                 xmlDocDumpMemory(doc, &xmlbuf, &size);
  80                 xml = strdup((char*) (xmlbuf));
  81                 xmlFree(xmlbuf);
  82                 return xml;
  83
  84         } else {
  85
  86                 xmlBufferPtr xmlbuf = xmlBufferCreate();
  87                 xmlNodeDump( xmlbuf, doc, xmlDocGetRootElement(doc), 0, 0);
  88                 xml = strdup((char*) (xmlBufferContent(xmlbuf)));
  89                 xmlBufferFree(xmlbuf);
  90                 return xml;
  91
  92         }
  93 }
  94
  95
  96
  97
  98 char* xmlSaxAttr( const xmlChar** atts, const char* name ) {
  99         if( atts && name ) {
 100                 int i;
 101                 for(i = 0; (atts[i] != NULL); i++) {
 102                         if(!strcmp((char*) atts[i], name)) {
 103                                 if(atts[++i]) return (char*) atts[i];
 104                         }
 105                 }
 106         }
 107         return NULL;
 108 }
 109
 110
 111 int xmlAddAttrs( xmlNodePtr node, const xmlChar** atts ) {
 112         if( node && atts ) {
 113                 int i;
 114                 for(i = 0; (atts[i] != NULL); i++) {
 115                         if(atts[i+1]) {
 116                                 xmlSetProp(node, atts[i], atts[i+1]);
 117                                 i++;
 118                         }
 119                 }
 120         }
 121         return 0;
 122 }
 123