Adding Collapse functionality in CLI interface

inc/em_base.h

@@ -57,6 +57,7 @@ extern "C"
 
 #define EM_TEST_IO_PERM 0666
 #define EM_IO_BUFF_SZ   4096
+#define EM_LONG_IO_BUFF_SZ   4096*4
 
 #define EM_MAX_OP_CLASS    48
 #define EM_MAX_POLICIES	16	
@@ -2826,8 +2827,16 @@ typedef enum {
     em_network_node_data_type_raw,
 } em_network_node_data_type_t;
 
+typedef struct {
+    bool collapsed;
+    unsigned int orig_node_ctr;
+    unsigned int node_ctr;
+    unsigned int node_pos;
+} em_node_display_info_t;
+
 typedef struct em_network_node {
     em_long_string_t   key;
+    em_node_display_info_t	display_info;
     em_network_node_data_type_t type;
     em_long_string_t    value_str;
     unsigned int        value_int;

inc/em_cli.h

@@ -24,6 +24,7 @@
 
 class em_cli_t {
     em_cmd_t& get_command(char *in, size_t in_len);
+    em_long_string_t	m_lib_dbg_file_name;
 
 public:
 	em_editor_callback_t m_editor_cb;
@@ -33,20 +34,26 @@ class em_cli_t {
 	const char *get_first_cmd_str();
 	const char *get_next_cmd_str(const char *cmd);
 
-	em_network_node_t *get_network_tree_by_file(const char *file_name);
-	em_network_node_t *get_network_tree(char *buff);
+    em_network_node_t *get_network_tree_by_file(const char *file_name);
+    em_network_node_t *get_network_tree(char *buff);
+    em_network_node_t *clone_network_tree(em_network_node_t *orig_node, em_network_node_t *dis_node, 
+            unsigned int index, bool collapse, unsigned int *node_ctr = NULL);
+    em_network_node_t *get_node_from_node_ctr(em_network_node_t *tree, unsigned int node_display_ctr);
+    int get_network_tree_node(cJSON *obj, em_network_node_t *root, unsigned int *node_ctr);
     em_network_node_t *get_child_node_at_index(em_network_node_t *node, unsigned int idx);
+    unsigned int get_node_display_position(em_network_node_t *node);
     char *get_formatted_node_scalar_value(em_network_node_t *node);
     char *get_formatted_node_array_value(em_network_node_t *node);
     em_network_node_data_type_t get_node_type(em_network_node_t *node);
     void free_formatted_node_value(char *str);
-	int get_network_tree_node(cJSON *obj, em_network_node_t *root);
-	void free_network_tree(em_network_node_t *tree);
-	void free_network_tree_node(em_network_node_t *node);
-	void *network_tree_to_json(em_network_node_t *root);
-	cJSON *network_tree_node_to_json(em_network_node_t *node, cJSON *parent);
-	void print_network_tree(em_network_node_t *tree);
-	void print_network_tree_node(em_network_node_t *node, unsigned int *pident);
+    void free_network_tree(em_network_node_t *tree);
+    void free_network_tree_node(em_network_node_t *node);
+    void *network_tree_to_json(em_network_node_t *root);
+    cJSON *network_tree_node_to_json(em_network_node_t *node, cJSON *parent);
+    char *get_network_tree_string(em_network_node_t *tree);
+    void get_network_tree_node_string(char *str, em_network_node_t *node, unsigned int *pident);
+    void init_lib_dbg(char *file_name);
+    void dump_lib_dbg(char *str);
 
     em_cli_t();
     ~em_cli_t();
@@ -55,3 +62,4 @@ class em_cli_t {
 em_cli_t *get_cli();
 
 #endif
+

inc/em_cli_apis.h

@@ -32,13 +32,21 @@ const char *get_next_cmd_str(const char *cmd);
 em_network_node_t *get_network_tree_by_file(const char *file_name);
 em_network_node_t *get_network_tree(char *buff);
 em_network_node_t *get_child_node_at_index(em_network_node_t *node, unsigned int idx);
+unsigned int get_node_display_position(em_network_node_t *node);
 char *get_formatted_node_scalar_value(em_network_node_t *node);
 char *get_formatted_node_array_value(em_network_node_t *node);
 void free_formatted_node_value(char *str);
 em_network_node_data_type_t get_node_type(em_network_node_t *node);
 void free_network_tree(em_network_node_t *node);
 void *network_tree_to_json(em_network_node_t *node);
-void print_network_tree(em_network_node_t *node);
+em_network_node_t *clone_network_tree(em_network_node_t *orig_node, em_network_node_t *dis_node, unsigned int index, bool collapse);
+char *get_network_tree_string(em_network_node_t *node);
+em_network_node_t *get_node_from_node_ctr(em_network_node_t *tree, unsigned int node_display_ctr);
+unsigned int can_collapse_node(em_network_node_t *node);
+unsigned int can_expand_node(em_network_node_t *node);
+void free_network_tree_string(char *str);
+void init_lib_dbg(char *file_name);
+void dump_lib_dbg(char *fmt);
 
 #ifdef __cplusplus
 }  // extern "C"