src/objson/json2xml.c

   1
   2 #include "json2xml.h"
   3
   4 static char* _escape_xml (char*);
   5 static int _recurse_jsonObjectToXML(jsonObject*, growing_buffer*);
   6
   7 char* jsonObjectToXML(jsonObject* obj) {
   8
   9         growing_buffer * res_xml;
  10         char * output;
  11
  12         res_xml = buffer_init(1024);
  13
  14         if (!obj)
  15                 return strdup("<null/>");
  16
  17         _recurse_jsonObjectToXML( obj, res_xml );
  18         output = buffer_data(res_xml);
  19
  20         buffer_free(res_xml);
  21
  22         return output;
  23
  24 }
  25
  26 int _recurse_jsonObjectToXML(jsonObject* obj, growing_buffer* res_xml) {
  27
  28         char * hint = NULL;
  29         char * bool_val = NULL;
  30         int i = 0;
  31
  32         if (obj->classname)
  33                 hint = strdup(obj->classname);
  34
  35         if(obj->type == JSON_NULL) {
  36
  37                 if (hint)
  38                         buffer_fadd(res_xml, "<null class_hint=\"%s\"/>",hint);
  39                 else
  40                         buffer_add(res_xml, "<null/>");
  41
  42         } else if(obj->type == JSON_BOOL) {
  43
  44                 if (obj->value.b)
  45                         bool_val = strdup("true");
  46                 else
  47                         bool_val = strdup("false");
  48
  49                 if (hint)
  50                         buffer_fadd(res_xml, "<boolean value=\"%s\" class_hint=\"%s\"/>", bool_val, hint);
  51                 else
  52                         buffer_fadd(res_xml, "<boolean value=\"%s\"/>", bool_val);
  53
  54                 free(bool_val);
  55
  56         } else if (obj->type == JSON_STRING) {
  57                 if (hint) {
  58                         char * t = _escape_xml(jsonObjectGetString(obj));
  59                         buffer_fadd(res_xml,"<string class_hint=\"%s\">%s</string>", hint, t);
  60                         free(t);
  61                 } else {
  62                         char * t = _escape_xml(jsonObjectGetString(obj));
  63                         buffer_fadd(res_xml,"<string>%s</string>", t);
  64                         free(t);
  65                 }
  66
  67         } else if(obj->type == JSON_NUMBER) {
  68                 double x = jsonObjectGetNumber(obj);
  69                 if (hint) {
  70                         if (x == (int)x)
  71                                 buffer_fadd(res_xml,"<number class_hint=\"%s\">%d</number>", hint, (int)x);
  72                         else
  73                                 buffer_fadd(res_xml,"<number class_hint=\"%s\">%lf</number>", hint, x);
  74                 } else {
  75                         if (x == (int)x)
  76                                 buffer_fadd(res_xml,"<number>%d</number>", (int)x);
  77                         else
  78                                 buffer_fadd(res_xml,"<number>%lf</number>", x);
  79                 }
  80
  81         } else if (obj->type == JSON_ARRAY) {
  82
  83                 if (hint)
  84                         buffer_fadd(res_xml,"<array class_hint=\"%s\">", hint);
  85                 else
  86                         buffer_add(res_xml,"<array>");
  87
  88                 for ( i = 0; i!= obj->size; i++ )
  89                         _recurse_jsonObjectToXML(jsonObjectGetIndex(obj,i), res_xml);
  90
  91                 buffer_add(res_xml,"</array>");
  92
  93         } else if (obj->type == JSON_HASH) {
  94
  95                 if (hint)
  96                         buffer_fadd(res_xml,"<object class_hint=\"%s\">", hint);
  97                 else
  98                         buffer_add(res_xml,"<object>");
  99
 100                 jsonObjectIterator* itr = jsonNewObjectIterator(obj);
 101                 jsonObjectNode* tmp;
 102                 while( (tmp = jsonObjectIteratorNext(itr)) ) {
 103
 104                         buffer_fadd(res_xml,"<element key=\"%s\">",tmp->key);
 105
 106                         _recurse_jsonObjectToXML(tmp->item, res_xml);
 107
 108                         buffer_add(res_xml,"</element>");
 109                 }
 110                 jsonObjectIteratorFree(itr);
 111
 112                 buffer_add(res_xml,"</object>");
 113         }
 114
 115         if (hint)
 116                 free(hint);
 117
 118         return 1;
 119 }
 120
 121 char* _escape_xml (char* text) {
 122         char* out;
 123         growing_buffer* b = buffer_init(256);
 124         int len = strlen(text);
 125         int i;
 126         for (i = 0; i < len; i++) {
 127                 if (text[i] == '&')
 128                         buffer_add(b,"&amp;");
 129                 else if (text[i] == '<')
 130                         buffer_add(b,"&lt;");
 131                 else if (text[i] == '>')
 132                         buffer_add(b,"&gt;");
 133                 else
 134                         buffer_add_char(b,text[i]);
 135         }
 136         out = buffer_data(b);
 137         buffer_free(b);
 138         return out;
 139 }
 140
 141