2016-08-29 15:35:48 +02:00
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#ifndef IOUTILITIES_BINARYWRITER_H
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#define IOUTILITIES_BINARYWRITER_H
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#include "../conversion/types.h"
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#include "../conversion/binaryconversion.h"
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#include <vector>
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#include <string>
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#include <ostream>
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namespace IoUtilities
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{
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class CPP_UTILITIES_EXPORT BinaryWriter
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{
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public:
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BinaryWriter(std::ostream *stream);
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BinaryWriter(const BinaryWriter &other);
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BinaryWriter & operator=(const BinaryWriter & rhs) = delete;
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~BinaryWriter();
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const std::ostream *stream() const;
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std::ostream *stream();
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void setStream(std::ostream *stream, bool giveOwnership = false);
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bool hasOwnership() const;
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void giveOwnership();
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void detatchOwnership();
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void flush();
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bool fail() const;
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void write(const char *buffer, std::streamsize length);
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void write(const std::vector<char> &buffer, std::streamsize length);
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void writeChar(char value);
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void writeByte(byte value);
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void writeInt16BE(int16 value);
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void writeUInt16BE(uint16 value);
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void writeInt24BE(int32 value);
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void writeUInt24BE(uint32 value);
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void writeInt32BE(int32 value);
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void writeUInt32BE(uint32 value);
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void writeInt40BE(int64 value);
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void writeUInt40BE(uint64 value);
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void writeInt56BE(int64 value);
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void writeUInt56BE(uint64 value);
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void writeInt64BE(int64 value);
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void writeUInt64BE(uint64 value);
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void writeFloat32BE(float32 value);
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void writeFloat64BE(float64 value);
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void writeInt16LE(int16 value);
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void writeUInt16LE(uint16 value);
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void writeInt24LE(int32 value);
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void writeUInt24LE(uint32 value);
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void writeInt32LE(int32 value);
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void writeUInt32LE(uint32 value);
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void writeInt40LE(int64 value);
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void writeUInt40LE(uint64 value);
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void writeInt56LE(int64 value);
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void writeUInt56LE(uint64 value);
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void writeInt64LE(int64 value);
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void writeUInt64LE(uint64 value);
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void writeFloat32LE(float32 value);
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void writeFloat64LE(float64 value);
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void writeString(const std::string &value);
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void writeTerminatedString(const std::string &value);
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void writeLengthPrefixedString(const std::string &value);
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void writeBool(bool value);
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void writeSynchsafeUInt32BE(uint32 valueToConvertAndWrite);
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void writeFixed8BE(float32 valueToConvertAndWrite);
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void writeFixed16BE(float32 valueToConvertAndWrite);
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void writeSynchsafeUInt32LE(uint32 valueToConvertAndWrite);
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void writeFixed8LE(float32 valueToConvertAndWrite);
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void writeFixed16LE(float32 valueToConvertAndWrite);
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private:
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std::ostream *m_stream;
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bool m_ownership;
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char m_buffer[8];
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};
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/*!
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* \brief Returns a pointer to the stream the writer will write to when calling one of the write-methods.
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*
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* \sa setStream()
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*/
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inline std::ostream *BinaryWriter::stream()
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{
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return m_stream;
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}
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/*!
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* \brief Returns a pointer to the stream the writer will write to when calling one of the write-methods.
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*
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* \sa setStream()
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*/
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inline const std::ostream *BinaryWriter::stream() const
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{
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return m_stream;
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}
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/*!
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* \brief Returns whether the writer takes ownership over the assigned stream.
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*
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* \sa setStream()
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* \sa giveOwnership()
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* \sa detatchOwnership()
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*/
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inline bool BinaryWriter::hasOwnership() const
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{
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return m_ownership;
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}
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/*!
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* \brief The writer will take ownership over the assigned stream.
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*
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* \sa setStream()
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* \sa detatchOwnership()
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* \sa hasOwnership()
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*/
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inline void BinaryWriter::giveOwnership()
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{
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if(m_stream) {
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m_ownership = true;
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}
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}
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/*!
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* \brief The writer will not take ownership over the assigned stream.
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*
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* \sa setStream()
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* \sa giveOwnership()
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* \sa hasOwnership()
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*/
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inline void BinaryWriter::detatchOwnership()
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{
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m_ownership = false;
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}
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/*!
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* \brief Calls the flush() method of the assigned stream.
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*/
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inline void BinaryWriter::flush()
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{
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m_stream->flush();
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}
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/*!
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* \brief Returns an indication whether the fail bit of the assigned stream is set.
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*/
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inline bool BinaryWriter::fail() const
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{
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return m_stream ? m_stream->fail() : false;
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}
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/*!
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* \brief Writes a character array to the current stream and advances the current position of the stream by the \a length of the array.
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*/
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inline void BinaryWriter::write(const char *buffer, std::streamsize length)
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{
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m_stream->write(buffer, length);
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}
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/*!
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* \brief Writes the specified number of bytes from the \a buffer to the current stream and advances the current position of the stream by
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* the specified \a length which must be less or equal to the \a buffer size.
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*/
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inline void BinaryWriter::write(const std::vector<char> &buffer, std::streamsize length)
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{
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m_stream->write(buffer.data(), length);
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}
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/*!
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* \brief Writes a single character to the current stream and advances the current position of the stream by one byte.
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*/
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inline void BinaryWriter::writeChar(char value)
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{
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m_buffer[0] = value;
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m_stream->write(m_buffer, 1);
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}
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/*!
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* \brief Writes a single byte to the current stream and advances the current position of the stream by one byte.
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*/
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inline void BinaryWriter::writeByte(byte value)
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{
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m_buffer[0] = *reinterpret_cast<char *>(&value);
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m_stream->write(m_buffer, 1);
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}
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/*!
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* \brief Writes a boolean value to the current stream and advances the current position of the stream by one byte.
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*/
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inline void BinaryWriter::writeBool(bool value)
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{
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writeByte(value ? 1 : 0);
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}
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/*!
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* \brief Writes a 16-bit big endian signed integer to the current stream and advances the current position of the stream by two bytes.
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*/
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inline void BinaryWriter::writeInt16BE(int16 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer, sizeof(int16));
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}
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/*!
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* \brief Writes a 16-bit big endian unsigned integer to the current stream and advances the current position of the stream by two bytes.
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*/
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inline void BinaryWriter::writeUInt16BE(uint16 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer, sizeof(uint16));
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}
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/*!
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* \brief Writes a 24-bit big endian signed integer to the current stream and advances the current position of the stream by three bytes.
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* \remarks The most significant byte of the specified 32-bit signed integer \a value will be discarded.
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*/
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inline void BinaryWriter::writeInt24BE(int32 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer + 1, 3);
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}
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/*!
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* \brief Writes a 24-bit big endian unsigned integer to the current stream and advances the current position of the stream by three bytes.
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* \remarks The most significant byte of the specified 32-bit unsigned integer \a value will be discarded.
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*/
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inline void BinaryWriter::writeUInt24BE(uint32 value)
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{
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// discard most significant byte
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer + 1, 3);
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}
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/*!
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* \brief Writes a 32-bit big endian signed integer to the current stream and advances the current position of the stream by four bytes.
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*/
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inline void BinaryWriter::writeInt32BE(int32 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer, sizeof(int32));
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}
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/*!
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* \brief Writes a 32-bit big endian unsigned integer to the current stream and advances the current position of the stream by four bytes.
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*/
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inline void BinaryWriter::writeUInt32BE(uint32 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer, sizeof(uint32));
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}
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/*!
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* \brief Writes a 40-bit big endian signed integer to the current stream and advances the current position of the stream by four bytes.
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* \remarks The most significant bytes of the specified 64-bit unsigned integer \a value will be discarded.
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*/
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inline void BinaryWriter::writeInt40BE(int64 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer + 3, 5);
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}
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/*!
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* \brief Writes a 40-bit big endian unsigned integer to the current stream and advances the current position of the stream by four bytes.
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* \remarks The most significant bytes of the specified 64-bit unsigned integer \a value will be discarded.
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*/
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inline void BinaryWriter::writeUInt40BE(uint64 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer + 3, 5);
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}
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/*!
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* \brief Writes a 56-bit big endian signed integer to the current stream and advances the current position of the stream by four bytes.
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* \remarks The most significant byte of the specified 64-bit unsigned integer \a value will be discarded.
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*/
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inline void BinaryWriter::writeInt56BE(int64 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer + 1, 7);
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}
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/*!
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* \brief Writes a 56-bit big endian unsigned integer to the current stream and advances the current position of the stream by four bytes.
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* \remarks The most significant byte of the specified 64-bit unsigned integer \a value will be discarded.
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*/
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inline void BinaryWriter::writeUInt56BE(uint64 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer + 1, 7);
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}
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/*!
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* \brief Writes a 64-bit big endian signed integer to the current stream and advances the current position of the stream by eight bytes.
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*/
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inline void BinaryWriter::writeInt64BE(int64 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer, sizeof(int64));
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}
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/*!
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* \brief Writes a 64-bit big endian unsigned integer to the current stream and advances the current position of the stream by eight bytes.
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*/
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inline void BinaryWriter::writeUInt64BE(uint64 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer, sizeof(uint64));
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}
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/*!
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* \brief Writes a 32-bit big endian floating point \a value to the current stream and advances the current position of the stream by four bytes.
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*/
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inline void BinaryWriter::writeFloat32BE(float32 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer, sizeof(float32));
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}
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/*!
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* \brief Writes a 64-bit big endian floating point \a value to the current stream and advances the current position of the stream by eight bytes.
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*/
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inline void BinaryWriter::writeFloat64BE(float64 value)
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{
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ConversionUtilities::BE::getBytes(value, m_buffer);
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m_stream->write(m_buffer, sizeof(float64));
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}
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/*!
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* \brief Writes a 16-bit little endian signed integer to the current stream and advances the current position of the stream by two bytes.
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*/
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inline void BinaryWriter::writeInt16LE(int16 value)
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{
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ConversionUtilities::LE::getBytes(value, m_buffer);
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m_stream->write(m_buffer, sizeof(int16));
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}
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/*!
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* \brief Writes a 16-bit little endian unsigned integer to the current stream and advances the current position of the stream by two bytes.
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*/
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inline void BinaryWriter::writeUInt16LE(uint16 value)
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{
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ConversionUtilities::LE::getBytes(value, m_buffer);
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m_stream->write(m_buffer, sizeof(uint16));
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}
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/*!
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* \brief Writes a 24-bit little endian signed integer to the current stream and advances the current position of the stream by three bytes.
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* \remarks The most significant byte of the specified 32-bit signed integer \a value will be discarded.
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*/
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inline void BinaryWriter::writeInt24LE(int32 value)
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{
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// discard most significant byte
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ConversionUtilities::LE::getBytes(value, m_buffer);
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m_stream->write(m_buffer, 3);
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}
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/*!
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* \brief Writes a 24-bit little endian unsigned integer to the current stream and advances the current position of the stream by three bytes.
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* \remarks The most significant byte of the specified 32-bit unsigned integer \a value will be discarded.
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*/
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inline void BinaryWriter::writeUInt24LE(uint32 value)
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{
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// discard most significant byte
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ConversionUtilities::LE::getBytes(value, m_buffer);
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m_stream->write(m_buffer, 3);
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}
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/*!
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* \brief Writes a 32-bit little endian signed integer to the current stream and advances the current position of the stream by four bytes.
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*/
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inline void BinaryWriter::writeInt32LE(int32 value)
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{
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ConversionUtilities::LE::getBytes(value, m_buffer);
|
|
|
|
m_stream->write(m_buffer, sizeof(int32));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a 32-bit little endian unsigned integer to the current stream and advances the current position of the stream by four bytes.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeUInt32LE(uint32 value)
|
|
|
|
{
|
|
|
|
ConversionUtilities::LE::getBytes(value, m_buffer);
|
|
|
|
m_stream->write(m_buffer, sizeof(uint32));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a 40-bit big endian signed integer to the current stream and advances the current position of the stream by four bytes.
|
|
|
|
* \remarks The most significant bytes of the specified 64-bit unsigned integer \a value will be discarded.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeInt40LE(int64 value)
|
|
|
|
{
|
|
|
|
ConversionUtilities::LE::getBytes(value, m_buffer);
|
|
|
|
m_stream->write(m_buffer, 5);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a 40-bit big endian unsigned integer to the current stream and advances the current position of the stream by four bytes.
|
|
|
|
* \remarks The most significant bytes of the specified 64-bit unsigned integer \a value will be discarded.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeUInt40LE(uint64 value)
|
|
|
|
{
|
|
|
|
ConversionUtilities::LE::getBytes(value, m_buffer);
|
|
|
|
m_stream->write(m_buffer, 5);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a 56-bit big endian signed integer to the current stream and advances the current position of the stream by four bytes.
|
|
|
|
* \remarks The most significant byte of the specified 64-bit unsigned integer \a value will be discarded.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeInt56LE(int64 value)
|
|
|
|
{
|
|
|
|
ConversionUtilities::LE::getBytes(value, m_buffer);
|
|
|
|
m_stream->write(m_buffer, 7);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a 56-bit big endian unsigned integer to the current stream and advances the current position of the stream by four bytes.
|
|
|
|
* \remarks The most significant byte of the specified 64-bit unsigned integer \a value will be discarded.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeUInt56LE(uint64 value)
|
|
|
|
{
|
|
|
|
ConversionUtilities::LE::getBytes(value, m_buffer);
|
|
|
|
m_stream->write(m_buffer, 7);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a 64-bit little endian signed integer to the current stream and advances the current position of the stream by eight bytes.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeInt64LE(int64 value)
|
|
|
|
{
|
|
|
|
ConversionUtilities::LE::getBytes(value, m_buffer);
|
|
|
|
m_stream->write(m_buffer, sizeof(int64));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a 64-bit little endian unsigned integer to the current stream and advances the current position of the stream by eight bytes.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeUInt64LE(uint64 value)
|
|
|
|
{
|
|
|
|
ConversionUtilities::LE::getBytes(value, m_buffer);
|
|
|
|
m_stream->write(m_buffer, sizeof(uint64));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a 32-bit little endian floating point \a value to the current stream and advances the current position of the stream by four bytes.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeFloat32LE(float32 value)
|
|
|
|
{
|
|
|
|
ConversionUtilities::LE::getBytes(value, m_buffer);
|
|
|
|
m_stream->write(m_buffer, sizeof(float32));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a 64-bit little endian floating point \a value to the current stream and advances the current position of the stream by eight bytes.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeFloat64LE(float64 value)
|
|
|
|
{
|
|
|
|
ConversionUtilities::LE::getBytes(value, m_buffer);
|
|
|
|
m_stream->write(m_buffer, sizeof(float64));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a string to the current stream and advances the current position of the stream by the length of the string.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeString(const std::string &value)
|
|
|
|
{
|
|
|
|
m_stream->write(value.c_str(), value.length());
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a terminated string to the current stream and advances the current position of the stream by the length of the string plus 1.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeTerminatedString(const std::string &value)
|
|
|
|
{
|
|
|
|
m_stream->write(value.c_str(), value.length() + 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a 32-bit big endian synchsafe integer to the current stream and advances the current position of the stream by four bytes.
|
|
|
|
* \remarks Synchsafe integers appear in ID3 tags that are attached to an MP3 file.
|
|
|
|
* \sa <a href="http://id3.org/id3v2.4.0-structure">ID3 tag version 2.4.0 - Main Structure</a>
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeSynchsafeUInt32BE(uint32 valueToConvertAndWrite)
|
|
|
|
{
|
|
|
|
writeUInt32BE(ConversionUtilities::toSynchsafeInt(valueToConvertAndWrite));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes the 8.8 fixed point big endian representation for the specified 32-bit floating point \a value to the current stream and advances the current position of the stream by two bytes.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeFixed8BE(float32 valueToConvertAndWrite)
|
|
|
|
{
|
|
|
|
writeUInt16BE(ConversionUtilities::toFixed8(valueToConvertAndWrite));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes the 16.16 fixed point big endian representation for the specified 32-bit floating point \a value to the current stream and advances the current position of the stream by four bytes.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeFixed16BE(float32 valueToConvertAndWrite)
|
|
|
|
{
|
|
|
|
writeUInt32BE(ConversionUtilities::toFixed16(valueToConvertAndWrite));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes a 32-bit little endian synchsafe integer to the current stream and advances the current position of the stream by four bytes.
|
|
|
|
* \remarks Synchsafe integers appear in ID3 tags that are attached to an MP3 file.
|
|
|
|
* \sa <a href="http://id3.org/id3v2.4.0-structure">ID3 tag version 2.4.0 - Main Structure</a>
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeSynchsafeUInt32LE(uint32 valueToConvertAndWrite)
|
|
|
|
{
|
|
|
|
writeUInt32LE(ConversionUtilities::toSynchsafeInt(valueToConvertAndWrite));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes the 8.8 fixed point little endian representation for the specified 32-bit floating point \a value to the current stream and advances the current position of the stream by two bytes.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeFixed8LE(float32 valueToConvertAndWrite)
|
|
|
|
{
|
|
|
|
writeUInt16LE(ConversionUtilities::toFixed8(valueToConvertAndWrite));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \brief Writes the 16.16 fixed point little endian representation for the specified 32-bit floating point \a value to the current stream and advances the current position of the stream by four bytes.
|
|
|
|
*/
|
|
|
|
inline void BinaryWriter::writeFixed16LE(float32 valueToConvertAndWrite)
|
|
|
|
{
|
|
|
|
writeUInt32LE(ConversionUtilities::toFixed16(valueToConvertAndWrite));
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif // IO_UTILITIES_BINARYWRITER_H
|