From 0df488874f52a881d14b5876babaa780bb6200ee Mon Sep 17 00:00:00 2001
From: Jesper Lundgren <jesperlundgren@exosite.com>
Date: Mon, 9 Mar 2020 16:12:24 +0800
Subject: feature: add option to disable forward slash escaping

Thanks @spacewander for optimization and documentation.
---
 lua_cjson.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'lua_cjson.c')

diff --git a/lua_cjson.c b/lua_cjson.c
index 2a69699..875bdaf 100644
--- a/lua_cjson.c
+++ b/lua_cjson.c
@@ -81,6 +81,7 @@
 #define DEFAULT_ENCODE_NUMBER_PRECISION 14
 #define DEFAULT_ENCODE_EMPTY_TABLE_AS_OBJECT 1
 #define DEFAULT_DECODE_ARRAY_WITH_ARRAY_MT 0
+#define DEFAULT_ENCODE_ESCAPE_FORWARD_SLASH 1
 
 #ifdef DISABLE_INVALID_NUMBERS
 #undef DEFAULT_DECODE_INVALID_NUMBERS
@@ -155,6 +156,7 @@ typedef struct {
     int encode_number_precision;
     int encode_keep_buffer;
     int encode_empty_table_as_object;
+    int encode_escape_forward_slash;
 
     int decode_invalid_numbers;
     int decode_max_depth;
@@ -406,6 +408,20 @@ static int json_cfg_decode_invalid_numbers(lua_State *l)
     return 1;
 }
 
+static int json_cfg_encode_escape_forward_slash(lua_State *l)
+{
+    int            ret;
+    json_config_t *cfg = json_arg_init(l, 1);
+
+    ret = json_enum_option(l, 1, &cfg->encode_escape_forward_slash, NULL, 1);
+    if (cfg->encode_escape_forward_slash) {
+        char2escape['/'] = "\\/";
+    } else {
+        char2escape['/'] = NULL;
+    }
+    return ret;
+}
+
 static int json_destroy_config(lua_State *l)
 {
     json_config_t *cfg;
@@ -442,6 +458,7 @@ static void json_create_config(lua_State *l)
     cfg->encode_number_precision = DEFAULT_ENCODE_NUMBER_PRECISION;
     cfg->encode_empty_table_as_object = DEFAULT_ENCODE_EMPTY_TABLE_AS_OBJECT;
     cfg->decode_array_with_array_mt = DEFAULT_DECODE_ARRAY_WITH_ARRAY_MT;
+    cfg->encode_escape_forward_slash = DEFAULT_ENCODE_ESCAPE_FORWARD_SLASH;
 
 #if DEFAULT_ENCODE_KEEP_BUFFER > 0
     strbuf_init(&cfg->encode_buf, 0);
@@ -1457,6 +1474,7 @@ static int lua_cjson_new(lua_State *l)
         { "encode_keep_buffer", json_cfg_encode_keep_buffer },
         { "encode_invalid_numbers", json_cfg_encode_invalid_numbers },
         { "decode_invalid_numbers", json_cfg_decode_invalid_numbers },
+        { "encode_escape_forward_slash", json_cfg_encode_escape_forward_slash },
         { "new", lua_cjson_new },
         { NULL, NULL }
     };
-- 
cgit v1.2.3-55-g6feb