PulseStudio/VoxelEngine
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Adding compression functions to lua scripting

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1) добавил две функции
file.gzip_compress(path)
file.gzip_decompress(path)
они сжимают и расжимают файлы по выбранному пути
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Xertis 2024-06-06 13:00:23 +03:00
parent bfeb32841f
commit 224604ec69
1 changed files with 16 additions and 7 deletions
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23
src/logic/scripting/lua/libfile.cpp
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@ -212,12 +212,7 @@ static int l_file_gzip_compress(lua_State* L) {
if (fs::is_regular_file(path)) {
size_t length = static_cast<size_t>(fs::file_size(path));
auto bytesPtr = files::read_bytes(path, length);
std::vector<ubyte> bytes (bytesPtr.get(), bytesPtr.get() + length);
std::vector<ubyte> compressed_bytes;
compressed_bytes = gzip::compress(bytes.data(), bytes.size());
auto compressed_bytes = gzip::compress(files::read_bytes(path, length).get(), length);
lua_pushboolean(L, files::write_bytes(path, compressed_bytes.data(), compressed_bytes.size()));
return 1;
@ -225,6 +220,19 @@ static int l_file_gzip_compress(lua_State* L) {
throw std::runtime_error("file does not exist " + util::quote(path.u8string()));
}
static int l_file_gzip_decompress(lua_State* L) {
fs::path path = resolve_path(state->requireString(1));
if (fs::is_regular_file(path)) {
size_t length = static_cast<size_t>(fs::file_size(path));
auto decompressed_bytes = gzip::decompress(files::read_bytes(path, length).get(), length);
lua_pushboolean(L, files::write_bytes(path, decompressed_bytes.data(), decompressed_bytes.size()));
return 1;
}
throw std::runtime_error("file does not exist " + util::quote(path.u8string()));
}
const luaL_Reg filelib [] = {
{"exists", lua_wrap_errors<l_file_exists>},
{"find", lua_wrap_errors<l_file_find>},
@ -241,6 +249,7 @@ const luaL_Reg filelib [] = {
{"resolve", lua_wrap_errors<l_file_resolve>},
{"write_bytes", lua_wrap_errors<l_file_write_bytes>},
{"write", lua_wrap_errors<l_file_write>},
{"gzip_compress_write", lua_wrap_errors<l_file_gzip_compress>},
{"gzip_compress", lua_wrap_errors<l_file_gzip_compress>},
{"gzip_decompress", lua_wrap_errors<l_file_gzip_decompress>},
{NULL, NULL}
};