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/* field_information.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <stdint.h>
#include <ui/qt/utils/field_information.h>
FieldInformation::FieldInformation(field_info * fi, QObject * parent)
:QObject(parent)
{
fi_ = fi;
parent_fi_ = 0;
}
bool FieldInformation::isValid()
{
bool ret = false;
if ( fi_ )
{
if (fi_->hfinfo->blurb != 0 && fi_->hfinfo->blurb[0] != '\0') {
ret = true;
} else {
ret = ((QString().fromUtf8(fi_->hfinfo->name)).length() > 0 );
}
}
return ret;
}
void FieldInformation::setParentField(field_info * par_fi)
{
parent_fi_ = par_fi;
}
field_info * FieldInformation::fieldInfo() const
{
return fi_;
}
FieldInformation::HeaderInfo FieldInformation::headerInfo() const
{
HeaderInfo header;
header.isValid = false;
if ( fi_ && fi_->hfinfo )
{
header.isValid = true;
header.name = QString().fromUtf8(fi_->hfinfo->name);
header.description = QString().fromUtf8(fi_->hfinfo->blurb);
header.abbreviation = QString().fromUtf8(fi_->hfinfo->abbrev);
}
return header;
}
FieldInformation * FieldInformation::parentField() const
{
return new FieldInformation(parent_fi_);
}
bool FieldInformation::tvbContains(FieldInformation *child)
{
if ( fi_ && child && fi_->ds_tvb == child->fieldInfo()->ds_tvb )
return true;
return false;
}
FieldInformation::Position FieldInformation::position() const
{
Position pos = {-1, -1};
if ( fi_ && fi_->ds_tvb )
{
int len = (int) tvb_captured_length(fi_->ds_tvb);
pos.start = fi_->start;
pos.length = fi_->length;
if (pos.start < 0 || pos.length < 0 || pos.start >= len)
{
if ( fi_->appendix_start >= 0 && fi_->appendix_length > 0 && fi_->appendix_start < len )
{
pos.start = fi_->appendix_start;
pos.length = fi_->appendix_length;
}
}
}
return pos;
}
FieldInformation::Position FieldInformation::appendix() const
{
Position pos = {-1, -1};
if ( fi_ && fi_->ds_tvb )
{
pos.start = fi_->appendix_start;
pos.length = fi_->appendix_length;
}
return pos;
}
QByteArray FieldInformation::printableData()
{
QByteArray data;
if ( fi_ && fi_->ds_tvb )
{
FieldInformation::Position pos = position();
int rem_length = tvb_captured_length_remaining(fi_->ds_tvb, pos.start);
int length = pos.length;
if ( length > rem_length )
length = rem_length;
uint8_t * dataSet = (uint8_t *)tvb_memdup(wmem_file_scope(), fi_->ds_tvb, pos.start, length );
data = QByteArray::fromRawData((char *)dataSet, length);
}
return data;
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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