[tarantool-patches] Re: [PATCH v3] json: add options to json.encode()
roman.habibov1 at yandex.ru
roman.habibov1 at yandex.ru
Thu Jul 26 12:40:57 MSK 2018
Sorry. https://github.com/tarantool/tarantool/commit/768b875e498a17b3d5e404af79c1119b10a966e3
diff --git a/src/lua/utils.c b/src/lua/utils.c
index 0626bf76b..012758b7f 100644
--- a/src/lua/utils.c
+++ b/src/lua/utils.c
@@ -186,19 +186,35 @@ luaL_setcdatagc(struct lua_State *L, int idx)
lua_pop(L, 1);
}
+#define OPTION(type, name, defvalue) { #name, \
+ offsetof(struct luaL_serializer, name), type, defvalue}
/**
- * @brief serializer.cfg{} Lua binding for serializers.
- * serializer.cfg is a table that contains current configuration values from
- * luaL_serializer structure. serializer.cfg has overriden __call() method
- * to change configuration keys in internal userdata (like box.cfg{}).
- * Please note that direct change in serializer.cfg.key will not affect
- * internal state of userdata.
- * @param L lua stack
- * @return 0
+ * Configuration options for serializers
+ * @sa struct luaL_serializer
*/
-
-/*Serialize one option. Returns ponter to the value of option.*/
-int* parse_option(lua_State *L, int i, struct luaL_serializer* cfg) {
+static struct {
+ const char *name;
+ size_t offset; /* offset in structure */
+ int type;
+ int defvalue;
+} OPTIONS[] = {
+ OPTION(LUA_TBOOLEAN, encode_sparse_convert, 1),
+ OPTION(LUA_TNUMBER, encode_sparse_ratio, 2),
+ OPTION(LUA_TNUMBER, encode_sparse_safe, 10),
+ OPTION(LUA_TNUMBER, encode_max_depth, 32),
+ OPTION(LUA_TBOOLEAN, encode_invalid_numbers, 1),
+ OPTION(LUA_TNUMBER, encode_number_precision, 14),
+ OPTION(LUA_TBOOLEAN, encode_load_metatables, 1),
+ OPTION(LUA_TBOOLEAN, encode_use_tostring, 0),
+ OPTION(LUA_TBOOLEAN, encode_invalid_as_nil, 0),
+ OPTION(LUA_TBOOLEAN, decode_invalid_numbers, 1),
+ OPTION(LUA_TBOOLEAN, decode_save_metatables, 1),
+ OPTION(LUA_TNUMBER, decode_max_depth, 32),
+ { NULL, 0, 0, 0},
+};
+
+int *
+parse_option(lua_State *L, int i, struct luaL_serializer* cfg) {
lua_getfield(L, 2, OPTIONS[i].name);
if (lua_isnil(L, -1)) {
lua_pop(L, 1); /* key hasn't changed */
@@ -223,6 +239,28 @@ int* parse_option(lua_State *L, int i, struct luaL_serializer* cfg) {
return pval;
}
+int
+parse_options(lua_State *L, struct luaL_serializer *cfg) {
+ for (int i = 0; OPTIONS[i].name != NULL; i++) {
+ int *pval = parse_option(L, i, cfg);
+ /* Update struct luaL_serializer structure */
+ if (pval != NULL)
+ lua_pop(L, 1);
+ }
+ lua_pop(l, 1);
+ return 0;
+}
+
+/**
+ * @brief serializer.cfg{} Lua binding for serializers.
+ * serializer.cfg is a table that contains current configuration values from
+ * luaL_serializer structure. serializer.cfg has overriden __call() method
+ * to change configuration keys in internal userdata (like box.cfg{}).
+ * Please note that direct change in serializer.cfg.key will not affect
+ * internal state of userdata.
+ * @param L lua stack
+ * @return 0
+ */
static int
luaL_serializer_cfg(lua_State *L)
{
@@ -244,8 +282,8 @@ luaL_serializer_cfg(lua_State *L)
default:
unreachable();
}
- /* Save normalized value to serializer.cfg table */
- lua_setfield(L, 1, OPTIONS[i].name);
+ /* Save normalized value to serializer.cfg table */
+ lua_setfield(L, 1, OPTIONS[i].name);
}
}
return 0;
diff --git a/src/lua/utils.h b/src/lua/utils.h
index 4a2c3eaac..21eb36856 100644
--- a/src/lua/utils.h
+++ b/src/lua/utils.h
@@ -1,6 +1,5 @@
#ifndef TARANTOOL_LUA_UTILS_H_INCLUDED
#define TARANTOOL_LUA_UTILS_H_INCLUDED
-#pragma GCC diagnostic ignored "-Wunused-variable"
/*
* Copyright 2010-2015, Tarantool AUTHORS, please see AUTHORS file.
*
@@ -241,34 +240,29 @@ luaL_checkserializer(struct lua_State *L) {
luaL_checkudata(L, lua_upvalueindex(1), LUAL_SERIALIZER);
}
-#define OPTION(type, name, defvalue) { #name, \
- offsetof(struct luaL_serializer, name), type, defvalue}
/**
- * Configuration options for serializers
- * @sa struct luaL_serializer
+ * parse_option is a function that is used to configure one field
+ * in luaL_serializer struct. Adds one lua table to the top of
+ * Lua stack.
+ * @param L lua stack
+ * @param index of option in OPTIONS[]
+ * @param serializer to inherit configuration
+ * @return ponter to the value of option
*/
-static struct {
- const char *name;
- size_t offset; /* offset in structure */
- int type;
- int defvalue;
-} OPTIONS[] = {
- OPTION(LUA_TBOOLEAN, encode_sparse_convert, 1),
- OPTION(LUA_TNUMBER, encode_sparse_ratio, 2),
- OPTION(LUA_TNUMBER, encode_sparse_safe, 10),
- OPTION(LUA_TNUMBER, encode_max_depth, 32),
- OPTION(LUA_TBOOLEAN, encode_invalid_numbers, 1),
- OPTION(LUA_TNUMBER, encode_number_precision, 14),
- OPTION(LUA_TBOOLEAN, encode_load_metatables, 1),
- OPTION(LUA_TBOOLEAN, encode_use_tostring, 0),
- OPTION(LUA_TBOOLEAN, encode_invalid_as_nil, 0),
- OPTION(LUA_TBOOLEAN, decode_invalid_numbers, 1),
- OPTION(LUA_TBOOLEAN, decode_save_metatables, 1),
- OPTION(LUA_TNUMBER, decode_max_depth, 32),
- { NULL, 0, 0, 0},
-};
+int *
+parse_option(lua_State *l, int i, struct luaL_serializer* cfg);
-int* parse_option(lua_State *l, int i, struct luaL_serializer* cfg);
+/**
+ * parse_options is a function that is used to serialize lua table
+ * of options to luaL_serializer struct. Removes the lua table from
+ * the top of lua stack.
+ * parse_options.
+ * @param L lua stack
+ * @param serializer to inherit configuration
+ * @return 0
+ */
+int
+parse_options(lua_State *l, struct luaL_serializer* cfg);
/** A single value on the Lua stack. */
struct luaL_field {
diff --git a/test/app-tap/json.test.lua b/test/app-tap/json.test.lua
index 050d769ea..d76297ab5 100755
--- a/test/app-tap/json.test.lua
+++ b/test/app-tap/json.test.lua
@@ -22,42 +22,55 @@ end
tap.test("json", function(test)
local serializer = require('json')
- test:plan(18)
+ test:plan(21)
--- gh-2888 Added opions to encode().
+-- gh-2888: check the possibility of using options in encode()/decode()
local sub = {a = 1, { b = {c = 1, d = {e = 1}}}}
serializer.cfg({encode_max_depth = 1})
test:ok(serializer.encode(sub) == '{"1":null,"a":1}',
- 'sub == {"1":null,"a":1}')
+ 'depth of encoding is 1 with .cfg')
serializer.cfg({encode_max_depth = 2})
test:ok(serializer.encode(sub) == '{"1":{"b":null},"a":1}',
- 'sub == {"1":{"b":null},"a":1}')
+ 'depth of encoding is 2 with .cfg')
serializer.cfg({encode_max_depth = 2})
- test:ok(serializer.encode(sub,{encode_max_depth = 1})
- == '{"1":null,"a":1}', 'sub == {"1":null,"a":1}')
+ test:ok(serializer.encode(sub, {encode_max_depth = 1}) == '{"1":null,"a":1}',
+ 'depth of encoding is 1 with .encode')
local nan = 1/0
test:ok(serializer.encode({a = nan}) == '{"a":inf}',
- 'a = nan == {"a":inf}')
+ 'default "encode_invalid_numbers"')
serializer.cfg({encode_invalid_numbers = false})
test:ok(pcall(serializer.encode, {a = nan}) == false,
- 'error when "encode_invalid_numbers = false" with NaN')
+ 'expected error with NaN ecoding with .cfg')
serializer.cfg({encode_invalid_numbers = true})
test:ok(pcall(serializer.encode, {a = nan},
- {encode_invalid_numbers = false}) == false,
- 'error when "encode_invalid_numbers = false" with NaN')
+ {encode_invalid_numbers = false}) == false,
+ 'expected error with NaN ecoding with .encode')
local number = 0.12345
test:ok(serializer.encode({a = number}) == '{"a":0.12345}',
- 'precision more than 5')
+ 'precision more than 5')
serializer.cfg({encode_number_precision = 3})
test:ok(serializer.encode({a = number}) == '{"a":0.123}',
- 'precision is 3')
+ 'precision is 3')
serializer.cfg({encode_number_precision = 14})
test:ok(serializer.encode({a = number},
- {encode_number_precision = 3}) == '{"a":0.123}', 'precision is 3')
+ {encode_number_precision = 3}) == '{"a":0.123}', 'precision is 3')
+ serializer.cfg({decode_invalid_numbers = false})
+ test:ok(pcall(serializer.decode, '{"a":inf}') == false,
+ 'expected error with NaN decoding with .cfg')
+ serializer.cfg({decode_invalid_numbers = true})
+ test:ok(pcall(serializer.decode, '{"a":inf}',
+ {decode_invalid_numbers = false}) == false,
+ 'expected error with NaN decoding with .decode')
+
+ test:ok(pcall(serializer.decode, '{"1":{"b":{"c":1,"d":null}},"a":1}',
+ {decode_max_depth = 2}) == false,
+ 'error: too many nested data structures')
+
+--
test:test("unsigned", common.test_unsigned, serializer)
test:test("signed", common.test_signed, serializer)
test:test("double", common.test_double, serializer)
diff --git a/third_party/lua-cjson/lua_cjson.c b/third_party/lua-cjson/lua_cjson.c
index 861079f8a..29553fc4d 100644
--- a/third_party/lua-cjson/lua_cjson.c
+++ b/third_party/lua-cjson/lua_cjson.c
@@ -417,21 +417,9 @@ static void json_append_data(lua_State *l, struct luaL_serializer *cfg,
}
}
-/*Serialize Lua table of options to luaL_serializer struct.*/
-static int parse_options(lua_State *l, struct luaL_serializer* cfg) {
- for (int i = 0; OPTIONS[i].name != NULL; i++) {
- int *pval = parse_option(l, i, cfg);
- /* Update struct luaL_serializer structure */
- if (pval != NULL)
- lua_pop(l, 1);
- }
- lua_pop(l, 1);
- return 0;
-}
-
static int json_encode(lua_State *l) {
luaL_argcheck(l, (lua_gettop(l) == 2) || (lua_gettop(l) == 1),
- 1, "expected 1 or 2 arguments");
+ 1, "expected 1 or 2 arguments");
/* Reuse existing buffer */
strbuf_reset(&encode_buf);
@@ -443,7 +431,7 @@ static int json_encode(lua_State *l) {
json_append_data(l, &user_cfg, 0, &encode_buf);
} else {
json_append_data(l, cfg, 0, &encode_buf);
-}
+ }
int len;
char *json = strbuf_string(&encode_buf, &len);
@@ -993,7 +981,7 @@ static int json_decode(lua_State *l)
size_t json_len;
luaL_argcheck(l, (lua_gettop(l) == 2) || (lua_gettop(l) == 1),
- 1, "expected 1 or 2 arguments");
+ 1, "expected 1 or 2 arguments");
if (lua_gettop(l) == 2) {
struct luaL_serializer user_cfg = *luaL_checkserializer(l);
26.07.2018, 00:35, "Vladislav Shpilevoy" <v.shpilevoy at tarantool.org>:
> Hi! Thanks for the fixes!
>
> 1. Again, as I said on the previous review. Please, put a new
> patch version at the end of letter.
>
> 2. On the branch I still see the old version. So looks like
> you forgot to push. Please, do it and resend the patch.
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