1 files changed, 58 insertions, 0 deletions
diff --git a/src/handle_json.h b/src/handle_json.h
new file mode 100644
index 0000000..ddf5934
--- /dev/null
+++ b/src/handle_json.h
@@ -0,0 +1,58 @@
+#include "json.h"
+
+bool get_jsonf_size(json_value * value, int * w, int * h) {
+	json_object_entry _size = value->u.object.values[0];
+	json_object_entry * _size_objects = _size.value->u.object.values;
+
+	if (strcmp(_size.name, "size"))
+		return true;
+
+	// Width.
+	if (!strcmp(_size_objects[0].name, "w"))
+		*w = _size_objects[0].value->u.integer;
+	else if (!strcmp(_size_objects[0].name, "h"))
+		*h = _size_objects[0].value->u.integer;
+	else
+		return true;
+
+	// Height
+	if (!strcmp(_size_objects[1].name, "w"))
+		*w = _size_objects[1].value->u.integer;
+	else if (!strcmp(_size_objects[1].name, "h"))
+		*h = _size_objects[1].value->u.integer;
+	else
+		return true;
+
+	if (*w > 255 || *w < 2 || *h > 255 || *h < 2)
+		return true;
+
+	return false;
+}
+
+bool read_data_jsonf(json_value * value, int w, int h, unsigned char ** buf) {
+	json_object_entry _size = value->u.object.values[0];
+	json_object_entry _map = value->u.object.values[1];
+	json_value ** astart = _map.value->u.array.values;
+
+	if (strcmp(_size.name, "size") ||
+			strcmp(_map.name, "map"))
+		return true;
+
+	unsigned char y, x;
+	long int int_value;
+
+	for (y = 0; y < h; y++)
+		for (x = 0; x < w; x++) {
+
+			if (astart[y]->u.array.values[x]->type != json_integer)
+				return true;
+
+			int_value = astart[y]->u.array.values[x]->u.integer;
+
+			if (int_value > 8 || int_value < 0)
+				return true;
+			buf[y][x] = (unsigned char)int_value;
+		}
+
+	return false;
+}