| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <decaf/io/DataOutputStream.h> |
| #include <decaf/io/UTFDataFormatException.h> |
| #include <decaf/util/Config.h> |
| #include <string.h> |
| #include <stdio.h> |
| |
| using namespace decaf; |
| using namespace decaf::io; |
| using namespace decaf::util; |
| using namespace decaf::lang::exceptions; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| DataOutputStream::DataOutputStream(OutputStream* outputStream, bool own) : |
| FilterOutputStream(outputStream, own), written(0) { |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| DataOutputStream::~DataOutputStream() { |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::doWriteByte(const unsigned char c) { |
| try { |
| |
| if (outputStream == NULL) { |
| throw IOException(__FILE__, __LINE__, "DataOutputStream::write - Base stream is Null"); |
| } |
| |
| outputStream->write(c); |
| written++; |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::doWriteArrayBounded(const unsigned char* buffer, int size, int offset, int length) { |
| |
| if (length == 0) { |
| return; |
| } |
| |
| if (isClosed()) { |
| throw IOException(__FILE__, __LINE__, "DataOutputStream::write - Base stream is Null"); |
| } |
| |
| if (buffer == NULL) { |
| throw NullPointerException(__FILE__, __LINE__, "DataOutputStream::write - passed buffer is Null"); |
| } |
| |
| if (size < 0) { |
| throw IndexOutOfBoundsException(__FILE__, __LINE__, "size parameter out of Bounds: %d.", size); |
| } |
| |
| if (offset > size || offset < 0) { |
| throw IndexOutOfBoundsException(__FILE__, __LINE__, "offset parameter out of Bounds: %d.", offset); |
| } |
| |
| if (length < 0 || length > size - offset) { |
| throw IndexOutOfBoundsException(__FILE__, __LINE__, "length parameter out of Bounds: %d.", length); |
| } |
| |
| try { |
| outputStream->write(buffer, size, offset, length); |
| written += length; |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCH_RETHROW(NullPointerException) |
| DECAF_CATCH_RETHROW(IndexOutOfBoundsException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::writeBoolean(bool value) { |
| try { |
| |
| value == true ? buffer[0] = 1 : buffer[0] = 0; |
| |
| if (outputStream == NULL) { |
| throw IOException(__FILE__, __LINE__, "DataOutputStream::write - Base stream is Null"); |
| } |
| |
| outputStream->write(buffer[0]); |
| written++; |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::writeByte(unsigned char value) { |
| try { |
| |
| if (outputStream == NULL) { |
| throw IOException(__FILE__, __LINE__, "DataOutputStream::write - Base stream is Null"); |
| } |
| |
| outputStream->write(value); |
| written++; |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::writeChar(char value) { |
| try { |
| |
| if (outputStream == NULL) { |
| throw IOException(__FILE__, __LINE__, "DataOutputStream::write - Base stream is Null"); |
| } |
| |
| outputStream->write(value); |
| written++; |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::writeShort(short value) { |
| try { |
| |
| if (outputStream == NULL) { |
| throw IOException(__FILE__, __LINE__, "DataOutputStream::write - Base stream is Null"); |
| } |
| |
| buffer[0] = (unsigned char) ((value & 0xFF00) >> 8); |
| buffer[1] = (unsigned char) ((value & 0x00FF) >> 0); |
| |
| outputStream->write(buffer, sizeof(value), 0, sizeof(value)); |
| written += sizeof(value); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::writeUnsignedShort(unsigned short value) { |
| try { |
| |
| if (outputStream == NULL) { |
| throw IOException(__FILE__, __LINE__, "DataOutputStream::write - Base stream is Null"); |
| } |
| |
| buffer[0] = (unsigned char) ((value & 0xFF00) >> 8); |
| buffer[1] = (unsigned char) ((value & 0x00FF) >> 0); |
| |
| outputStream->write(buffer, sizeof(value), 0, sizeof(value)); |
| written += sizeof(value); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::writeInt(int value) { |
| |
| try { |
| |
| if (outputStream == NULL) { |
| throw IOException(__FILE__, __LINE__, "DataOutputStream::write - Base stream is Null"); |
| } |
| |
| buffer[0] = (unsigned char) ((value & 0xFF000000) >> 24); |
| buffer[1] = (unsigned char) ((value & 0x00FF0000) >> 16); |
| buffer[2] = (unsigned char) ((value & 0x0000FF00) >> 8); |
| buffer[3] = (unsigned char) ((value & 0x000000FF) >> 0); |
| |
| outputStream->write(buffer, sizeof(value), 0, sizeof(value)); |
| written += sizeof(value); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::writeLong(long long value) { |
| |
| try { |
| |
| if (outputStream == NULL) { |
| throw IOException(__FILE__, __LINE__, "DataOutputStream::write - Base stream is Null"); |
| } |
| |
| buffer[0] = (unsigned char) ((value & 0xFF00000000000000ULL) >> 56); |
| buffer[1] = (unsigned char) ((value & 0x00FF000000000000ULL) >> 48); |
| buffer[2] = (unsigned char) ((value & 0x0000FF0000000000ULL) >> 40); |
| buffer[3] = (unsigned char) ((value & 0x000000FF00000000ULL) >> 32); |
| buffer[4] = (unsigned char) ((value & 0x00000000FF000000ULL) >> 24); |
| buffer[5] = (unsigned char) ((value & 0x0000000000FF0000ULL) >> 16); |
| buffer[6] = (unsigned char) ((value & 0x000000000000FF00ULL) >> 8); |
| buffer[7] = (unsigned char) ((value & 0x00000000000000FFULL) >> 0); |
| |
| outputStream->write(buffer, sizeof(value), 0, sizeof(value)); |
| written += sizeof(value); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::writeFloat(float value) { |
| try { |
| unsigned int lvalue = 0; |
| memcpy(&lvalue, &value, sizeof(float)); |
| this->writeInt(lvalue); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::writeDouble(double value) { |
| try { |
| unsigned long long lvalue = 0; |
| memcpy(&lvalue, &value, sizeof(double)); |
| this->writeLong(lvalue); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::writeBytes(const std::string& value) { |
| try { |
| |
| if (value.length() == 0) { |
| return; |
| } |
| |
| // do not add one so that we don't write the NULL |
| this->write((const unsigned char*) value.c_str(), (int) value.length(), 0, (int) value.length()); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::writeChars(const std::string& value) { |
| try { |
| |
| if (value.length() == 0) { |
| return; |
| } |
| |
| // add one so that we write the NULL |
| this->write((const unsigned char*) value.c_str(), (int) value.length() + 1, 0, (int) value.length() + 1); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void DataOutputStream::writeUTF(const std::string& value) { |
| |
| try { |
| |
| unsigned int utfLength = this->countUTFLength(value); |
| |
| if (utfLength > 65535) { |
| throw UTFDataFormatException(__FILE__, __LINE__, "Attempted to write a string as UTF-8 whose length is longer " |
| "than the supported 65535 bytes"); |
| } |
| |
| std::size_t length = value.length(); |
| std::vector<unsigned char> utfBytes((std::size_t) utfLength); |
| unsigned int utfIndex = 0; |
| |
| for (std::size_t i = 0; i < length; i++) { |
| |
| unsigned int charValue = (unsigned char) value.at(i); |
| |
| // Written to allow for expansion to wide character strings at some |
| // point, as it stands now the value can never be > 255 since the |
| // string class returns a single byte char. |
| if (charValue > 0 && charValue <= 127) { |
| utfBytes[utfIndex++] = (unsigned char) charValue; |
| } else if (charValue <= 2047) { |
| utfBytes[utfIndex++] = (unsigned char) (0xc0 | (0x1f & (charValue >> 6))); |
| utfBytes[utfIndex++] = (unsigned char) (0x80 | (0x3f & charValue)); |
| } else { |
| utfBytes[utfIndex++] = (unsigned char) (0xe0 | (0x0f & (charValue >> 12))); |
| utfBytes[utfIndex++] = (unsigned char) (0x80 | (0x3f & (charValue >> 6))); |
| utfBytes[utfIndex++] = (unsigned char) (0x80 | (0x3f & charValue)); |
| } |
| } |
| |
| this->writeUnsignedShort((unsigned short) utfLength); |
| if (utfLength > 0) { |
| this->write(&utfBytes[0], utfIndex, 0, utfIndex); |
| } |
| } |
| DECAF_CATCH_RETHROW(UTFDataFormatException) |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| unsigned int DataOutputStream::countUTFLength(const std::string& value) { |
| |
| unsigned int utfCount = 0; |
| std::size_t length = value.length(); |
| |
| for (std::size_t i = 0; i < length; ++i) { |
| |
| unsigned int charValue = (unsigned char) value.at(i); |
| |
| // Written to allow for expansion to wide character strings at some |
| // point, as it stands now the value can never be > 255 since the |
| // string class returns a single byte char. |
| if (charValue > 0 && charValue <= 127) { |
| utfCount++; |
| } else if (charValue <= 2047) { |
| utfCount += 2; |
| } else { |
| utfCount += 3; |
| } |
| } |
| |
| return utfCount; |
| } |