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Some more iso8211 code cleanup

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This commit is contained in:
Martin Tůma 2023-01-26 01:13:15 +01:00
parent af3e5d41c2
commit bfeb6d266e
2 changed files with 26 additions and 26 deletions
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37
src/map/ENC/iso8211.cpp
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@ -5,6 +5,13 @@
using namespace ENC;
#define UINT16(x) \
(((quint16)*(const uchar*)(x)) \
| ((quint16)(*((const uchar*)(x) + 1)) << 8))
#define INT32(x) ((qint32)UINT32(x))
#define INT16(x) ((qint16)UINT16(x))
struct DR {
char RecordLength[5];
char InterchangeLevel;
@ -91,14 +98,14 @@ bool ISO8211::fieldType(const QString &str, int cnt, FieldType &type, int &size)
return true;
}
int ISO8211::readDR(QFile &file, QVector<FieldDefinition> &fields) const
int ISO8211::readDR(QVector<FieldDefinition> &fields)
{
DR ddr;
QByteArray fieldLen, fieldPos;
int len, lenSize, posSize, tagSize, offset;
static_assert(sizeof(ddr) == 24, "Invalid DR alignment");
if (file.read((char*)&ddr, sizeof(ddr)) != sizeof(ddr))
if (_file.read((char*)&ddr, sizeof(ddr)) != sizeof(ddr))
return -1;
len = Util::str2int(ddr.RecordLength, sizeof(ddr.RecordLength));
@ -119,9 +126,9 @@ int ISO8211::readDR(QFile &file, QVector<FieldDefinition> &fields) const
r.tag.resize(tagSize);
if (file.read(r.tag.data(), tagSize) != tagSize
|| file.read(fieldLen.data(), lenSize) != lenSize
|| file.read(fieldPos.data(), posSize) != posSize)
if (_file.read(r.tag.data(), tagSize) != tagSize
|| _file.read(fieldLen.data(), lenSize) != lenSize
|| _file.read(fieldPos.data(), posSize) != posSize)
return -1;
r.pos = offset + Util::str2int(fieldPos.constData(), posSize);
@ -134,13 +141,13 @@ int ISO8211::readDR(QFile &file, QVector<FieldDefinition> &fields) const
return len;
}
bool ISO8211::readDDA(QFile &file, const FieldDefinition &def, SubFields &fields)
bool ISO8211::readDDA(const FieldDefinition &def, SubFields &fields)
{
static QRegularExpression re("(\\d*)(\\w+)\\(*(\\d*)\\)*");
QByteArray ba;
ba.resize(def.size);
if (!(file.seek(def.pos) && file.read(ba.data(), ba.size()) == ba.size()))
if (!(_file.seek(def.pos) && _file.read(ba.data(), ba.size()) == ba.size()))
return false;
QList<QByteArray> list(ba.split('\x1f'));
@ -197,7 +204,7 @@ bool ISO8211::readDDR()
return false;
}
int len = readDR(_file, fields);
int len = readDR(fields);
if (len < 0) {
_errorString = "Not a ISO8211 file";
return false;
@ -205,7 +212,7 @@ bool ISO8211::readDDR()
for (int i = 0; i < fields.size(); i++) {
SubFields def;
if (!readDDA(_file, fields.at(i), def)) {
if (!readDDA(fields.at(i), def)) {
_errorString = QString("Error reading %1 DDA field")
.arg(QString(fields.at(i).tag));
return false;
@ -221,14 +228,14 @@ bool ISO8211::readDDR()
return true;
}
bool ISO8211::readUDA(QFile &file, quint64 pos, const FieldDefinition &def,
const SubFields &fields, Data &data) const
bool ISO8211::readUDA(quint64 pos, const FieldDefinition &def,
const SubFields &fields, Data &data)
{
QByteArray ba;
ba.resize(def.size);
if (!(file.seek(pos + def.pos)
&& file.read(ba.data(), ba.size()) == ba.size()))
if (!(_file.seek(pos + def.pos)
&& _file.read(ba.data(), ba.size()) == ba.size()))
return false;
const char *sp;
@ -299,7 +306,7 @@ bool ISO8211::readRecord(Record &record)
QVector<FieldDefinition> fields;
qint64 pos = _file.pos();
int len = readDR(_file, fields);
int len = readDR(fields);
if (len < 0) {
_errorString = "Error reading DR";
@ -321,7 +328,7 @@ bool ISO8211::readRecord(Record &record)
f.setTag(def.tag);
if (!readUDA(_file, pos, def, it.value(), f.rdata())) {
if (!readUDA(pos, def, it.value(), f.rdata())) {
_errorString = QString("Error reading %1 record")
.arg(QString(def.tag));
return false;

15
src/map/ENC/iso8211.h
View File

@ -12,13 +12,6 @@
| ((quint32)(*((const uchar*)(x) + 2)) << 16) \
| ((quint32)(*((const uchar*)(x) + 3)) << 24))
#define UINT16(x) \
(((quint16)*(const uchar*)(x)) \
| ((quint16)(*((const uchar*)(x) + 1)) << 8))
#define INT32(x) ((qint32)UINT32(x))
#define INT16(x) ((qint16)UINT16(x))
namespace ENC {
class ISO8211
@ -113,10 +106,10 @@ private:
static bool fieldType(const QString &str, int cnt, FieldType &type,
int &size);
int readDR(QFile &file, QVector<FieldDefinition> &fields) const;
bool readDDA(QFile &file, const FieldDefinition &def, SubFields &fields);
bool readUDA(QFile &file, quint64 pos, const FieldDefinition &def,
const SubFields &fields, Data &data) const;
int readDR(QVector<FieldDefinition> &fields);
bool readDDA(const FieldDefinition &def, SubFields &fields);
bool readUDA(quint64 pos, const FieldDefinition &def,
const SubFields &fields, Data &data);
QFile _file;
FieldsMap _map;