From daabbe364007fc7546df63981422b53b9a20c6fc Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Wed, 22 Apr 2015 20:55:05 +0200
Subject: lua: add utils.format_json() function

Requested. Why not.
---
 player/lua.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'player')

diff --git a/player/lua.c b/player/lua.c
index 51c0e1a752..4ef772fd84 100644
--- a/player/lua.c
+++ b/player/lua.c
@@ -1255,6 +1255,23 @@ static int script_parse_json(lua_State *L)
     return 3;
 }
 
+static int script_format_json(lua_State *L)
+{
+    void *tmp = mp_lua_PITA(L);
+    struct mpv_node node;
+    makenode(tmp, &node, L, 1);
+    char *dst = talloc_strdup(tmp, "");
+    if (json_write(&dst, &node) >= 0) {
+        lua_pushstring(L, dst);
+        lua_pushnil(L);
+    } else {
+        lua_pushnil(L);
+        lua_pushstring(L, "error");
+    }
+    talloc_free_children(tmp);
+    return 2;
+}
+
 #define FN_ENTRY(name) {#name, script_ ## name}
 struct fn_entry {
     const char *name;
@@ -1303,6 +1320,7 @@ static const struct fn_entry utils_fns[] = {
     FN_ENTRY(join_path),
     FN_ENTRY(subprocess),
     FN_ENTRY(parse_json),
+    FN_ENTRY(format_json),
     {0}
 };
 
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