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/* syntax_line_edit.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <glib.h>
#include <epan/prefs.h>
#include <epan/proto.h>
#include <epan/dfilter/dfilter.h>
#include "syntax_line_edit.h"
#include "color_utils.h"
SyntaxLineEdit::SyntaxLineEdit(QWidget *parent) :
QLineEdit(parent)
{
setSyntaxState();
}
void SyntaxLineEdit::setSyntaxState(SyntaxState state) {
syntax_state_ = state;
state_style_sheet_ = QString(
"SyntaxLineEdit[syntaxState=\"%1\"] {"
" color: %4;"
" background-color: %5;"
"}"
"SyntaxLineEdit[syntaxState=\"%2\"] {"
" color: %4;"
" background-color: %6;"
"}"
"SyntaxLineEdit[syntaxState=\"%3\"] {"
" color: %4;"
" background-color: %7;"
"}"
)
.arg(Valid)
.arg(Invalid)
.arg(Deprecated)
.arg("palette(text)") // Foreground
.arg(ColorUtils::fromColorT(&prefs.gui_text_valid).name()) // Invalid
.arg(ColorUtils::fromColorT(&prefs.gui_text_invalid).name()) // Deprecated
.arg(ColorUtils::fromColorT(&prefs.gui_text_deprecated).name()) // Valid
;
setStyleSheet(style_sheet_);
}
QString SyntaxLineEdit::styleSheet() const {
return style_sheet_;
}
QString SyntaxLineEdit::deprecatedToken()
{
return deprecated_token_;
}
void SyntaxLineEdit::setStyleSheet(const QString &style_sheet) {
style_sheet_ = style_sheet;
QLineEdit::setStyleSheet(style_sheet_ + state_style_sheet_);
}
void SyntaxLineEdit::checkDisplayFilter(QString filter)
{
if (filter.isEmpty()) {
setSyntaxState(SyntaxLineEdit::Empty);
return;
}
deprecated_token_.clear();
dfilter_t *dfp = NULL;
bool valid = dfilter_compile(filter.toUtf8().constData(), &dfp);
if (valid) {
setSyntaxState(SyntaxLineEdit::Valid);
} else {
GPtrArray *depr = NULL;
if (dfp) {
depr = dfilter_deprecated_tokens(dfp);
}
if (depr) {
setSyntaxState(SyntaxLineEdit::Deprecated);
deprecated_token_ = (const char *) g_ptr_array_index(depr, 0);
} else {
setSyntaxState(SyntaxLineEdit::Invalid);
}
}
dfilter_free(dfp);
}
void SyntaxLineEdit::checkFieldName(QString field)
{
if (field.isEmpty()) {
setSyntaxState(SyntaxLineEdit::Empty);
return;
}
char invalid_char = proto_check_field_name(field.toUtf8().constData());
if (invalid_char) {
setSyntaxState(SyntaxLineEdit::Invalid);
} else {
checkDisplayFilter(field);
}
}
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