72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
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#include "field.h"
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#include "parsingexception.h"
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#include <c++utilities/io/binaryreader.h>
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#include <c++utilities/io/binarywriter.h>
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using namespace std;
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using namespace IoUtilities;
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using namespace ConversionUtilities;
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namespace Io {
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/*!
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* \class Field
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* \brief The Field class holds field information which consists of a name and a value
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* and is able to serialize and deserialize this information.
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*/
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/*!
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* \brief Constructs a new account entry for the specified account with the specified \a name
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* and \a value.
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*/
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Field::Field(AccountEntry *tiedAccount, const string &name, const string &value) :
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m_name(name),
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m_value(value),
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m_type(FieldType::Normal),
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m_tiedAccount(tiedAccount)
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{}
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/*!
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* \brief Constructs a new account entry for the specified account which is deserialize from
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* the specified \a stream.
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* \throws Throws ParsingException when an parsing error occurs.
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*/
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Field::Field(AccountEntry *tiedAccount, istream &stream)
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{
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BinaryReader reader(&stream);
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int version = reader.readByte();
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if(version == 0x0 || version == 0x1) {
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m_name = reader.readLengthPrefixedString();
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m_value = reader.readLengthPrefixedString();
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byte type = reader.readByte();
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if(isValidType(type)) {
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m_type = static_cast<FieldType>(type);
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} else {
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throw ParsingException("Field type is not supported.");
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}
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if(version == 0x1) { // version 0x1 has an extended header
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uint16 extendedHeaderSize = reader.readUInt16BE();
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// currently there's nothing to read here
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stream.seekg(extendedHeaderSize, ios_base::cur);
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}
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m_tiedAccount = tiedAccount;
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} else {
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throw ParsingException("Field version is not supported.");
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}
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}
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/*!
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* \brief Serializes the current instance to the specified \a stream.
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*/
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void Field::make(ostream &stream) const
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{
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BinaryWriter writer(&stream);
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writer.writeByte(0x0); // version
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writer.writeLengthPrefixedString(m_name);
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writer.writeLengthPrefixedString(m_value);
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writer.writeByte(static_cast<byte>(m_type));
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}
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}
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