/*
* Geodata is stored according to ISO-6709 standard.
*/
void MPEG4Writer::writeGeoDataBox() {
beginBox("\xA9xyz");
/*
* For historical reasons, any user data start
* with "\0xA9", must be followed by its assoicated
* language code.
* 0x0012: text string length
* 0x15c7: lang (locale) code: en
*/
writeInt32(0x001215c7);
writeLatitude(mLatitudex10000);
writeLongitude(mLongitudex10000);
writeInt8(0x2F);
endBox();
}
size_t Buffer::writeBool(bool _src, size_t _offset)
{
return writeInt8(static_cast<int8_t>(_src), _offset);
}
void U2Bits::writeInt32(uchar* bits, int pos, qint32 val) {
writeInt8(bits, pos + 24, qint8(val));
writeInt8(bits, pos + 16, qint8(val >> 8));
writeInt8(bits, pos + 8, qint8(val >> 16));
writeInt8(bits, pos, qint8(val >> 24));
}
void U2Bits::writeInt16(uchar* bits, int pos, qint16 val) {
writeInt8(bits, pos + 8, qint8(val));
writeInt8(bits, pos , qint8(val >> 8));
}
void initFileObject(lua_State* L)
{
luaL_newmetatable(L, meta<File>());
// Duplicate the metatable on the stack.
lua_pushvalue(L, -1);
// metatable.__index = metatable
lua_setfield(L, -2, "__index");
// Put the members into the metatable.
const luaL_Reg functions[] = {
{"__gc", [](lua_State* L) { return script::wrapped<File>(L, 1)->gc(L); }},
{"__index", [](lua_State* L) { return script::wrapped<File>(L, 1)->index(L); }},
{"__newindex", [](lua_State* L) { return script::wrapped<File>(L, 1)->newindex(L); }},
{"__tostring", [](lua_State* L) { return script::wrapped<File>(L, 1)->tostring(L); }},
{"__pairs", [](lua_State* L) { return script::wrapped<File>(L, 1)->pairs(L); }},
{"close", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
file->close();
return 0;
}},
{"readUnsigned8", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
uint8_t value;
if(file->readUnsigned8(value))
{
script::push(L, value);
return 1;
}
return 0;
}},
{"readUnsigned16", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
uint16_t value;
if(file->readUnsigned16(value))
{
script::push(L, value);
return 1;
}
return 0;
}},
{"readUnsigned32", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
uint32_t value;
if(file->readUnsigned32(value))
{
script::push(L, value);
return 1;
}
return 0;
}},
{"readInt8", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
int8_t value;
if(file->readInt8(value))
{
script::push(L, value);
return 1;
}
return 0;
}},
{"readInt16", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
int16_t value;
if(file->readInt16(value))
{
script::push(L, value);
return 1;
}
return 0;
}},
{"readInt32", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
int32_t value;
if(file->readInt32(value))
{
script::push(L, value);
return 1;
}
return 0;
}},
{"readFloat", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
float value;
if(file->readFloat(value))
{
script::push(L, value);
return 1;
}
return 0;
}},
{"readDouble", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
double value;
if(file->readDouble(value))
{
script::push(L, value);
return 1;
}
return 0;
}},
{"readString", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
auto blockSize = script::get<int>(L, 2);
std::string buffer(blockSize, 0);
if(file->readString(buffer))
{
lua_pushlstring(L, buffer.data(), buffer.size());
return 1;
}
return 0;
}},
{"readLine", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
std::string value;
if(file->readLine(value))
{
script::push(L, value.c_str());
return 1;
}
return 0;
}},
{"readFully", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
// Get current position.
auto pos = file->tell();
if(pos == -1)
{
return 0;
}
// Length to read = position of end - current.
auto length = 0;
if(!file->seek(pos, FileSeekMode::End))
{
return 0;
}
length = file->tell() - pos;
if(!file->seek(pos, FileSeekMode::Start))
{
return 0;
}
// Read the entire file into a string.
std::string buf(length, 0);
if(file->readString(buf))
{
lua_pushlstring(L, buf.data(), buf.size());
return 1;
}
return 0;
}},
{"writeUnsigned8", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
auto value = script::get<int>(L, 2);
script::push(L, file->writeUnsigned8(value));
return 1;
}},
{"writeUnsigned16", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
auto value = script::get<int>(L, 2);
script::push(L, file->writeUnsigned16(value));
return 1;
}},
{"writeUnsigned32", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
auto value = script::get<int>(L, 2);
script::push(L, file->writeUnsigned32(value));
return 1;
}},
{"writeInt8", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
auto value = script::get<int>(L, 2);
script::push(L, file->writeInt8(value));
return 1;
}},
{"writeInt16", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
auto value = script::get<int>(L, 2);
script::push(L, file->writeInt16(value));
return 1;
}},
{"writeInt32", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
auto value = script::get<int>(L, 2);
script::push(L, file->writeInt32(value));
return 1;
}},
{"writeFloat", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
auto value = script::get<double>(L, 2);
script::push(L, file->writeFloat((float) value));
return 1;
}},
{"writeDouble", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
auto value = script::get<double>(L, 2);
script::push(L, file->writeDouble(value));
return 1;
}},
{"writeString", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
size_t length = 0;
const char* buffer = luaL_checklstring(L, 2, &length);
std::string value(buffer, buffer + length);
script::push(L, file->writeString(value));
return 1;
}},
{"writeLine", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
size_t length = 0;
const char* buffer = luaL_checklstring(L, 2, &length);
std::string value(buffer, buffer + length);
script::push(L, file->writeLine(value));
return 1;
}},
{"tell", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
script::push(L, int(file->tell()));
return 1;
}},
{"seek", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
auto position = script::get<int>(L, 2);
auto mode = FileSeekMode(script::get<int>(L, 3));
script::push(L, file->seek(position, mode));
return 1;
}},
{"flush", [](lua_State* L)
{
auto file = script::ptr<File>(L, 1);
file->flush();
return 0;
}},
{nullptr, nullptr},
};
luaL_setfuncs(L, functions, 0);
lua_pop(L, 1);
// Push plum namespace.
lua_getglobal(L, "plum");
// plum.File = <function create>
script::push(L, "File");
lua_pushcfunction(L, [](lua_State* L)
{
auto filename = script::get<const char*>(L, 1);
auto mode = FileOpenMode(script::get<int>(L, 2));
auto f = new File(filename, mode);
// Failure.
if(!f->isActive())
{
delete f;
return 0;
}
script::push(L, f, LUA_NOREF);
return 1;
});
lua_settable(L, -3);
// Pop plum namespace.
lua_pop(L, 1);
}
//--------------------------------------------------------------
void
DataStream::writeUint8(u8 n)
{
writeInt8((i8)n);
}
