PulseStudio/VoxelEngine
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add utf8.length, utf8.codepoint

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This commit is contained in:
MihailRis 2024-10-26 10:32:34 +03:00
parent f3181dee88
commit 3dc334e778
1 changed files with 18 additions and 2 deletions
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20
src/logic/scripting/lua/libs/libutf8.cpp
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@ -6,11 +6,11 @@
#include "util/stringutil.hpp"
static int l_encode(lua::State* L) {
std::string string = lua::require_string(L, 1);
std::string_view string = lua::require_string(L, 1);
if (lua::toboolean(L, 2)) {
lua::createtable(L, string.length(), 0);
for (size_t i = 0; i < string.length(); i++) {
lua::pushinteger(L, string[i]);
lua::pushinteger(L, string[i] & 0xFF);
lua::rawseti(L, i+1);
}
} else {
@ -39,8 +39,24 @@ static int l_decode(lua::State* L) {
return 1;
}
static int l_length(lua::State* L) {
auto string = lua::require_string(L, 1);
return lua::pushinteger(L, util::length_utf8(string));
}
static int l_codepoint(lua::State* L) {
std::string_view string = lua::require_string(L, 1);
if (string.empty()) {
return lua::pushinteger(L, 0);
}
uint size;
return lua::pushinteger(L, util::decode_utf8(size, string.data()));
}
const luaL_Reg utf8lib[] = {
{"encode", lua::wrap<l_encode>},
{"decode", lua::wrap<l_decode>},
{"length", lua::wrap<l_length>},
{"codepoint", lua::wrap<l_codepoint>},
{NULL, NULL}
};