From 142c224f842b992a5cdbf3e9e3847dfadd799af8 Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <Patrick.Pelissier@gmail.com>
Date: Sun, 15 Dec 2019 19:53:46 +0100
Subject: [PATCH] Add another example on complex structure usage

---
 example/ex-array05.c | 78 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 example/ex-array05.c

diff --git a/example/ex-array05.c b/example/ex-array05.c
new file mode 100644
index 00000000..f5fd1ec4
--- /dev/null
+++ b/example/ex-array05.c
@@ -0,0 +1,78 @@
+#include "m-array.h"
+#include "m-string.h"
+
+/* This example show how to use complex structure with array 
+   embedding another library */
+
+/* This is a trivial library */
+typedef struct lib_ext_struct {
+  int id;
+  // Other data
+} lib_ext_struct;
+
+static lib_ext_struct *lib_ext_struct_Duplicate(const lib_ext_struct *obj)
+{
+  lib_ext_struct *p = malloc(sizeof(lib_ext_struct));
+  if (!p) abort();
+  p->id = obj->id;
+  return p;
+}
+
+static void lib_ext_struct_Delete(lib_ext_struct *obj)
+{
+  free(obj);
+}
+
+/* This is the complex structure */
+typedef struct  {
+  uint32_t id;
+  string_t type;
+  lib_ext_struct* properties;
+} data_node;
+
+static void data_node_init(data_node *obj)
+{
+  obj->id = 0;
+  string_init(obj->type);
+  obj->properties = NULL;
+}
+
+static void data_node_init_set(data_node *obj, const data_node *src)
+{
+  obj->id = src->id;
+  string_init_set(obj->type, src->type);
+  if (src->properties)
+    obj->properties = lib_ext_struct_Duplicate(src->properties);
+  else
+    obj->properties = NULL;
+}
+
+static void data_node_set(data_node *obj, const data_node *src)
+{
+  obj->id = src->id;
+  string_set(obj->type, src->type);
+  if (obj->properties)
+    lib_ext_struct_Delete(obj->properties);    
+  if (src->properties)
+    obj->properties = lib_ext_struct_Duplicate(src->properties);
+  else
+    obj->properties = NULL;
+}
+
+static void data_node_clear(data_node *obj)
+{
+  string_clear(obj->type);
+  if (obj->properties)
+    lib_ext_struct_Delete(obj->properties);
+}
+
+
+ARRAY_DEF(array_data_node, data_node, (INIT(API_2(data_node_init)),SET(API_6(data_node_set)),INIT_SET(API_6(data_node_init_set)),CLEAR(API_2(data_node_clear))))
+
+array_data_node_t global_array;
+
+int main(void)
+{
+  array_data_node_init(global_array);
+  array_data_node_clear(global_array);
+}