static int Deserializer_Read(duk_context* ctx) { duk_int_t magic = duk_get_current_magic(ctx); duk_push_this(ctx); // safe cast based on type check above Deserializer* deserial = CastToDeserializer(ctx, duk_get_top_index(ctx)); duk_pop(ctx); if (!deserial) { duk_push_boolean(ctx, 0); return 1; } char* data; String str; size_t length; IO_MAGIC_TYPE v = (IO_MAGIC_TYPE) magic; bool success = false; switch(v) { case IO_MAGIC_INT: duk_push_number(ctx, (double) deserial->ReadInt()); return 1; case IO_MAGIC_STRING: length = deserial->GetSize() - deserial->GetPosition(); str.Resize(length + 1); deserial->Read(&str[0], length); str[length] = '\0'; duk_push_string(ctx, str.CString()); return 1; case IO_MAGIC_ZEROSTRING: success = duk_push_string(ctx, deserial->ReadString().CString()); return 1; case IO_MAGIC_BINARY: length = deserial->GetSize() - deserial->GetPosition(); duk_push_fixed_buffer(ctx, length); duk_push_buffer_object(ctx, -1, 0, length, DUK_BUFOBJ_UINT8ARRAY); duk_replace(ctx, -2); data = (char*) duk_require_buffer_data(ctx, 0, &length); success = deserial->Read(data, length); return 1; default: break; } duk_push_undefined(ctx); return 1; }
bool CompressStream(Serializer& dest, Deserializer& src) { unsigned srcSize = src.GetSize() - src.GetPosition(); // Prepend the source and dest. data size in the stream so that we know to buffer & uncompress the right amount if (!srcSize) { dest.WriteUInt(0); dest.WriteUInt(0); return true; } unsigned maxDestSize = LZ4_compressBound(srcSize); SharedArrayPtr<unsigned char> srcBuffer(new unsigned char[srcSize]); SharedArrayPtr<unsigned char> destBuffer(new unsigned char[maxDestSize]); if (src.Read(srcBuffer, srcSize) != srcSize) return false; unsigned destSize = LZ4_compressHC((const char*)srcBuffer.Get(), (char*)destBuffer.Get(), srcSize); bool success = true; success &= dest.WriteUInt(srcSize); success &= dest.WriteUInt(destSize); success &= dest.Write(destBuffer, destSize) == destSize; return success; }
bool UnknownComponent::Load(Deserializer& source, bool setInstanceDefault) { useXML_ = false; xmlAttributes_.Clear(); xmlAttributeInfos_.Clear(); // Assume we are reading from a component data buffer, and the type has already been read unsigned dataSize = source.GetSize() - source.GetPosition(); binaryAttributes_.Resize(dataSize); return dataSize ? source.Read(&binaryAttributes_[0], dataSize) == dataSize : true; }
static int Deserializer_Read(duk_context* ctx) { duk_int_t magic = duk_get_current_magic(ctx); duk_push_this(ctx); // safe cast based on type check above Deserializer* deserial = CastToDeserializer(ctx, duk_get_top_index(ctx)); duk_pop(ctx); if (!deserial) { duk_push_boolean(ctx, 0); return 1; } PODVector<unsigned char> buffer; String str; size_t length; IO_MAGIC_TYPE v = (IO_MAGIC_TYPE) magic; bool success = false; switch(v) { case IO_MAGIC_INT: duk_push_number(ctx, (double) deserial->ReadInt()); return 1; case IO_MAGIC_STRING: length = deserial->GetSize() - deserial->GetPosition(); str.Resize(length + 1); deserial->Read(&str[0], length); str[length] = '\0'; duk_push_string(ctx, str.CString()); return 1; case IO_MAGIC_ZEROSTRING: success = duk_push_string(ctx, deserial->ReadString().CString()); return 1; default: break; } duk_push_undefined(ctx); return 1; }
bool ScriptFile::BeginLoad(Deserializer& source) { ReleaseModule(); loadByteCode_.Reset(); asIScriptEngine* engine = script_->GetScriptEngine(); { MutexLock lock(script_->GetModuleMutex()); // Create the module. Discard previous module if there was one scriptModule_ = engine->GetModule(GetName().CString(), asGM_ALWAYS_CREATE); if (!scriptModule_) { LOGERROR("Failed to create script module " + GetName()); return false; } } // Check if this file is precompiled bytecode if (source.ReadFileID() == "ASBC") { // Perform actual parsing in EndLoad(); read data now loadByteCodeSize_ = source.GetSize() - source.GetPosition(); loadByteCode_ = new unsigned char[loadByteCodeSize_]; source.Read(loadByteCode_.Get(), loadByteCodeSize_); return true; } else source.Seek(0); // Not bytecode: add the initial section and check for includes. // Perform actual building during EndLoad(), as AngelScript can not multithread module compilation, // and static initializers may access arbitrary engine functionality which may not be thread-safe return AddScriptSection(engine, source); }
bool Sound::LoadWav(Deserializer& source) { WavHeader header; // Try to open memset(&header, 0, sizeof header); source.Read(&header.riffText_, 4); header.totalLength_ = source.ReadUInt(); source.Read(&header.waveText_, 4); if (memcmp("RIFF", header.riffText_, 4) || memcmp("WAVE", header.waveText_, 4)) { LOGERROR("Could not read WAV data from " + source.GetName()); return false; } // Search for the FORMAT chunk for (;;) { source.Read(&header.formatText_, 4); header.formatLength_ = source.ReadUInt(); if (!memcmp("fmt ", &header.formatText_, 4)) break; source.Seek(source.GetPosition() + header.formatLength_); if (!header.formatLength_ || source.GetPosition() >= source.GetSize()) { LOGERROR("Could not read WAV data from " + source.GetName()); return false; } } // Read the FORMAT chunk header.format_ = source.ReadUShort(); header.channels_ = source.ReadUShort(); header.frequency_ = source.ReadUInt(); header.avgBytes_ = source.ReadUInt(); header.blockAlign_ = source.ReadUShort(); header.bits_ = source.ReadUShort(); // Skip data if the format chunk was bigger than what we use source.Seek(source.GetPosition() + header.formatLength_ - 16); // Check for correct format if (header.format_ != 1) { LOGERROR("Could not read WAV data from " + source.GetName()); return false; } // Search for the DATA chunk for (;;) { source.Read(&header.dataText_, 4); header.dataLength_ = source.ReadUInt(); if (!memcmp("data", &header.dataText_, 4)) break; source.Seek(source.GetPosition() + header.dataLength_); if (!header.dataLength_ || source.GetPosition() >= source.GetSize()) { LOGERROR("Could not read WAV data from " + source.GetName()); return false; } } // Allocate sound and load audio data unsigned length = header.dataLength_; SetSize(length); SetFormat(header.frequency_, header.bits_ == 16, header.channels_ == 2); source.Read(data_.Get(), length); // Convert 8-bit audio to signed if (!sixteenBit_) { for (unsigned i = 0; i < length; ++i) data_[i] -= 128; } return true; }