From ad2f8caae5952eea2de9ffb65d96d93b25173c7d Mon Sep 17 00:00:00 2001
From: "yu.dongliang" <18588496441@163.com>
Date: Wed, 26 Jul 2023 22:40:54 +0800
Subject: [PATCH] ses_path_alloc()

---
 ses_core.h  | 17 +++++++++++++++++
 ses_steps.c | 30 ++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+)

diff --git a/ses_core.h b/ses_core.h
index 7841e47..eb023c0 100644
--- a/ses_core.h
+++ b/ses_core.h
@@ -5,6 +5,7 @@
 #include"scf_vector.h"
 
 typedef struct ses_step_s    ses_step_t;
+typedef struct ses_path_s    ses_path_t;
 typedef struct ses_edge_s    ses_edge_t;
 typedef struct ses_ctx_s     ses_ctx_t;
 
@@ -18,6 +19,20 @@ struct ses_edge_s
 	ScfEpin*       p1;
 };
 
+#define SES_PATH_MAIN    0
+#define SES_PATH_BRANCH  1
+#define SES_PATH_BRIDGE  2
+
+struct ses_path_s
+{
+	scf_vector_t*  pins;
+
+	scf_vector_t*  childs;
+	ses_path_t*    parent;
+
+	int            type;
+};
+
 struct ses_ctx_s
 {
 	scf_vector_t*  paths;
@@ -32,6 +47,8 @@ struct ses_step_s
 	void*          priv;
 };
 
+ses_path_t* ses_path_alloc();
+void        ses_path_free (ses_path_t* path);
 
 ses_ctx_t*  ses_ctx_alloc();
 void        ses_ctx_free (ses_ctx_t* ctx);
diff --git a/ses_steps.c b/ses_steps.c
index 62a0b2b..72678b2 100644
--- a/ses_steps.c
+++ b/ses_steps.c
@@ -35,6 +35,36 @@ static ses_step_t*  ses_steps[] =
 	&ses_step_output,
 };
 
+ses_path_t* ses_path_alloc()
+{
+	ses_path_t* path = calloc(1, sizeof(ses_path_t));
+	if (!path)
+		return NULL;
+
+	path->pins = scf_vector_alloc();
+	if (!path->pins) {
+		free(path);
+		return NULL;
+	}
+
+	return path;
+}
+
+void ses_path_free(ses_path_t* path)
+{
+	if (path) {
+		if (path->pins)
+			scf_vector_free(path->pins);
+
+		if (path->childs) {
+			scf_vector_clear(path->childs, ( void (*)(void*) )ses_path_free);
+			scf_vector_free (path->childs);
+		}
+
+		free(path);
+	}
+}
+
 ses_ctx_t* ses_ctx_alloc()
 {
 	ses_ctx_t* ctx = calloc(1, sizeof(ses_ctx_t));
-- 
2.25.1