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Merge pull request #2018 from EngineerSmith/hash

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Added container type argument for love.data.hash
This commit is contained in:
Sasha Szpakowski
2024-02-13 21:20:07 -04:00
committed by GitHub
parent 1bdb5ded50 2aa4e4b3ea
commit 483237ee30
3 changed files with 60 additions and 17 deletions
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src/modules/data/wrap_DataModule.cpp
+32 -5
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@@ -302,25 +302,52 @@ int w_decode(lua_State *L)
int w_hash(lua_State *L)
{
const char *fstr = luaL_checkstring(L, 1);
int narg = 0; // used to change the arg position when using the deprecated function variant
ContainerType ctype = CONTAINER_STRING;
HashFunction::Function function;
const char *str = luaL_checkstring(L, 1);
if (!getConstant(str, ctype))
{
if (HashFunction::getConstant(str, function))
{ // check if the argument at 1 is a hash function; deprecated function variant
luax_markdeprecated(L, 1, "love.data.hash", API_FUNCTION_VARIANT, DEPRECATED_REPLACED, "variant with container return type parameter");
narg = -1;
}
else
luax_enumerror(L, "container type", getConstants(ctype), str);
}
const char *fstr = luaL_checkstring(L, 2 + narg);
if (!HashFunction::getConstant(fstr, function))
return luax_enumerror(L, "hash function", HashFunction::getConstants(function), fstr);
HashFunction::Value hashvalue;
if (lua_isstring(L, 2))
if (lua_isstring(L, 3 + narg))
{
size_t rawsize = 0;
const char *rawbytes = luaL_checklstring(L, 2, &rawsize);
const char *rawbytes = luaL_checklstring(L, 3 + narg, &rawsize);
luax_catchexcept(L, [&](){ love::data::hash(function, rawbytes, rawsize, hashvalue); });
}
else
{
Data *rawdata = luax_checktype<Data>(L, 2);
Data *rawdata = luax_checktype<Data>(L, 3 + narg);
luax_catchexcept(L, [&](){ love::data::hash(function, rawdata, hashvalue); });
}
lua_pushlstring(L, hashvalue.data, hashvalue.size);
if (ctype == CONTAINER_DATA)
{
Data* d = nullptr;
luax_catchexcept(L, [&]() { d = instance()->newByteData(hashvalue.size); });
memcpy(d->getData(), hashvalue.data, hashvalue.size);
luax_pushtype(L, Data::type, d);
d->release();
}
else
lua_pushlstring(L, hashvalue.data, hashvalue.size);
return 1;
}