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Diffstat (limited to 'ui/qt/models/filter_list_model.cpp')
| -rw-r--r-- | ui/qt/models/filter_list_model.cpp | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/ui/qt/models/filter_list_model.cpp b/ui/qt/models/filter_list_model.cpp new file mode 100644 index 0000000000..ba75128b56 --- /dev/null +++ b/ui/qt/models/filter_list_model.cpp @@ -0,0 +1,256 @@ +/* filter_list_model.cpp + * Model for all filter types + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include <glib.h> + +#include <wsutil/filesystem.h> + +#include <ui/qt/utils/qt_ui_utils.h> +#include <ui/qt/models/filter_list_model.h> +#include <ui/qt/models/profile_model.h> + +#include <QFile> +#include <QTextStream> +#include <QRegExp> +#include <QDir> + +/* + * Old filter file name. + */ +#define FILTER_FILE_NAME "filters" + +/* + * Capture filter file name. + */ +#define CFILTER_FILE_NAME "cfilters" + +/* + * Display filter file name. + */ +#define DFILTER_FILE_NAME "dfilters" + +FilterListModel::FilterListModel(QObject * parent) : + QAbstractListModel(parent), + type_(FilterListModel::Display) +{ + reload(); +} + +FilterListModel::FilterListModel(FilterListModel::FilterListType type, QObject * parent) : + QAbstractListModel(parent), + type_(type) +{ + reload(); +} + +void FilterListModel::reload() +{ + QFile file; + + storage.clear(); + + /* Try personal config file first */ + file.setFileName(qstring_strdup(get_persconffile_path(FilterListModel::Capture ? CFILTER_FILE_NAME : DFILTER_FILE_NAME, TRUE))); + /* Try personal old-style config file next */ + if ( ! file.exists() ) + file.setFileName(qstring_strdup(get_persconffile_path(FILTER_FILE_NAME, TRUE))); + /* Last but not least, try the global file */ + if ( ! file.exists() ) + file.setFileName(qstring_strdup(get_datafile_path(FilterListModel::Capture ? CFILTER_FILE_NAME : DFILTER_FILE_NAME))); + + /* Still can use the model, just have to start from an empty set */ + if ( ! file.exists() || ! file.open(QIODevice::ReadOnly | QIODevice::Text) ) + return; + + QTextStream in(&file); + QRegExp rx("\\s*\\\"(.*)\\\"\\s(.*)"); + while (!in.atEnd()) + { + QString line = in.readLine().trimmed(); + if ( line.startsWith("#") || line.indexOf("\"") <= -1 ) + continue; + + rx.indexIn(line); + QStringList groups = rx.capturedTexts(); + if ( groups.count() != 3 ) + continue; + addFilter(groups.at(1), groups.at(2)); + } +} + +void FilterListModel::setFilterType(FilterListModel::FilterListType type) +{ + type_ = type; + reload(); +} + +FilterListModel::FilterListType FilterListModel::filterType() const +{ + return type_; +} + +int FilterListModel::rowCount(const QModelIndex &/* parent */) const +{ + return storage.count(); +} + +int FilterListModel::columnCount(const QModelIndex &/* parent */) const +{ + return 2; +} + +QVariant FilterListModel::headerData(int section, Qt::Orientation orientation, int role) const +{ + if ( section >= columnCount() || section < 0 || orientation != Qt::Horizontal ) + return QVariant(); + + if ( role == Qt::DisplayRole ) + { + switch ( section ) { + case ColumnName: + return tr("Filter Name"); + break; + case ColumnExpression: + return tr("Filter Expression"); + break; + } + } + + return QVariant(); +} + +QVariant FilterListModel::data(const QModelIndex &index, int role) const +{ + if ( ! index.isValid() || index.row() >= rowCount() ) + return QVariant(); + + QStringList row = storage.at(index.row()).split("\n"); + if ( role == Qt::DisplayRole ) + return row.at(index.column()); + + return QVariant(); +} + +bool FilterListModel::setData(const QModelIndex &index, const QVariant &value, int role) +{ + if ( ! index.isValid() || index.row() >= rowCount() || role != Qt::EditRole ) + return false; + + QStringList row = storage.at(index.row()).split("\n"); + if ( row.count() <= index.column() ) + return false; + + row[index.column()] = value.toString(); + storage[index.row()] = row.join("\n"); + + return true; +} + +Qt::ItemFlags FilterListModel::flags(const QModelIndex &index) const +{ + Qt::ItemFlags fl = QAbstractListModel::flags(index); + if ( ! index.isValid() || index.row() >= rowCount() ) + return fl; + + QStringList row = storage.at(index.row()).split("\n"); + + fl |= Qt::ItemIsEditable; + + return fl; +} +QModelIndex FilterListModel::addFilter(QString name, QString expression) +{ + if ( name.length() == 0 || expression.length() == 0 ) + return QModelIndex(); + + beginInsertRows(QModelIndex(), rowCount(), rowCount()); + storage << QString("%1\n%2").arg(name).arg(expression); + endInsertRows(); + + return index(rowCount() - 1, 0); +} + +QModelIndex FilterListModel::findByName(QString name) +{ + if ( name.length() == 0 ) + return QModelIndex(); + + for ( int cnt = 0; cnt < rowCount(); cnt++ ) + { + if ( storage.at(cnt).startsWith(QString("%1\n").arg(name)) ) + return index(cnt, 0); + } + + return QModelIndex(); +} + +QModelIndex FilterListModel::findByExpression(QString expression) +{ + if ( expression.length() == 0 ) + return QModelIndex(); + + for ( int cnt = 0; cnt < rowCount(); cnt++ ) + { + if ( storage.at(cnt).endsWith(QString("\n%1").arg(expression)) ) + return index(cnt, 0); + } + + return QModelIndex(); +} + +void FilterListModel::removeFilter(QModelIndex idx) +{ + if ( ! idx.isValid() || idx.row() >= rowCount() ) + return; + + beginRemoveRows(QModelIndex(), idx.row(), idx.row()); + storage.removeAt(idx.row()); + endRemoveRows(); +} + +void FilterListModel::saveList() +{ + QString filename = FilterListModel::Capture ? CFILTER_FILE_NAME : DFILTER_FILE_NAME; + + filename = QString("%1%2%3").arg(ProfileModel::activeProfilePath()).arg(QDir::separator()).arg(filename); + QFile file(filename); + + if ( ! file.open(QIODevice::WriteOnly | QIODevice::Text) ) + return; + + QTextStream out(&file); + for ( int row = 0; row < rowCount(); row++ ) + { + QString line = QString("\"%1\"").arg(index(row, ColumnName).data().toString().replace("\\", "\\\\").replace("\"", "\\\"")); + line.append(QString(" %1").arg(index(row, ColumnExpression).data().toString())); + +#ifdef _WIN32 + line = line.append("\r\n"); +#else + line = line.append("\n"); +#endif + out << line; + } + + file.close(); +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local Variables: + * c-basic-offset: 2 + * tab-width: 8 + * indent-tabs-mode: nil + * End: + * + * vi: set shiftwidth=2 tabstop=8 expandtab: + * :indentSize=2:tabSize=8:noTabs=true: + */ |