Enabled reading from stdin in example to_xml.c.

diff --git a/examples/to_xml.c b/examples/to_xml.c
index aba1c85c737ed0d65e426a4fc32153090f1c8193..f07a30da1b5dba39eaf694adafeb513e3d636f0b 100644 (file)
--- a/examples/to_xml.c
+++ b/examples/to_xml.c
@@ -16,6 +16,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#include <stdio.h>
+
 #include <glib/gprintf.h>
 
 #include "json.h"
@@ -25,6 +27,9 @@ int
 main (int argc, char *argv[])
 {
        GError *error;
+
+       gboolean ok;
+
        JsonParser *parser;
        JsonReader *reader;
 
@@ -33,43 +38,81 @@ main (int argc, char *argv[])
 
        xmlChar *buf;
 
+       guint i;
+       int c;
+       gchar *data;
+
+       parser = json_parser_new ();
+
+       ok = FALSE;
        if (argc > 1)
                {
-                       parser = json_parser_new ();
-
                        error = NULL;
                        if (!json_parser_load_from_file (parser, argv[1], &error)
                            || error != NULL)
                                {
-                                       g_warning ("Unable to parse json file «%s»: %s",
+                                       g_warning ("Unable to parse json file «%s»\n%s",
+                                                  argv[1],
                                                   error != NULL && error->message != NULL ? error->message : "no details");
                                }
                        else
                                {
-                                       reader = json_reader_new (json_parser_get_root (parser));
-                                       g_warning ("is array %d is object %d",
-                                                  json_reader_is_array (reader),
-                                                  json_reader_is_object (reader));
-                                       g_warning ("elements %d members %d",
-                                                  json_reader_count_elements (reader),
-                                                  json_reader_count_members (reader));
-                                       g_object_unref (reader);
+                                       ok = TRUE;
+                               }
+               }
+       else
+               {
+                       /* stdin */
+                       i = 0;
+                       data = g_malloc (0);
+                       while (EOF != (c = fgetc (stdin)))
+                               {
+                                       i++;
+                                       data = g_realloc (data, i);
+                                       data[i - 1] = c;
+                               }
 
-                                       reader = json_reader_new (json_parser_get_root (parser));
+                       error = NULL;
+                       if (!json_parser_load_from_data (parser, data, i, &error)
+                           || error != NULL)
+                               {
+                                       g_warning ("Unable to parse json «%s»\n%s",
+                                                  data,
+                                                  error != NULL && error->message != NULL ? error->message : "no details");
+                               }
+                       else
+                               {
+                                       ok = TRUE;
+                               }
+               }
 
-                                       xdoc = xmlNewDoc ("1.0");
-                                       xroot = xmlNewNode (NULL, "objects");
-                                       xmlDocSetRootElement (xdoc, xroot);
+       if (ok)
+               {
+                       reader = json_reader_new (json_parser_get_root (parser));
+                       g_warning ("is array %d is object %d",
+                                  json_reader_is_array (reader),
+                                  json_reader_is_object (reader));
+                       g_warning ("elements %d members %d",
+                                  json_reader_count_elements (reader),
+                                  json_reader_count_members (reader));
+                       g_object_unref (reader);
 
-                                       zak_utils_json_to_xml (reader, xroot);
+                       reader = json_reader_new (json_parser_get_root (parser));
 
-                                       xmlDocDumpMemory (xdoc, &buf, NULL);
+                       xdoc = xmlNewDoc ("1.0");
+                       xroot = xmlNewNode (NULL, "objects");
+                       xmlDocSetRootElement (xdoc, xroot);
 
-                                       g_printf ("%s", buf);
+                       zak_utils_json_to_xml (reader, xroot);
 
-                                       xmlFreeDoc (xdoc);
-                               }
+                       xmlDocDumpMemory (xdoc, &buf, NULL);
+
+                       g_printf ("%s", buf);
+
+                       xmlFreeDoc (xdoc);
                }
 
+       g_object_unref (parser);
+
        return 0;
 }