mirror of
https://github.com/KDE/konsole.git
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152 lines
4.0 KiB
C++
152 lines
4.0 KiB
C++
/*
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Copyright 2007-2008 by Robert Knight <robertknight@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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*/
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// Own
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#include "ShellCommand.h"
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// KDE
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#include <KShell>
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using Konsole::ShellCommand;
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// expands environment variables in 'text'
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// function copied from kdelibs/kio/kio/kurlcompletion.cpp
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static bool expandEnv(QString& text);
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ShellCommand::ShellCommand(const QString& aCommand)
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{
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_arguments = KShell::splitArgs(aCommand);
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}
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ShellCommand::ShellCommand(const QString& aCommand, const QStringList& aArguments)
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{
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_arguments = aArguments;
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if (!_arguments.isEmpty())
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_arguments[0] == aCommand;
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}
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QString ShellCommand::fullCommand() const
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{
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QStringList quotedArgs(_arguments);
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for (int i = 0; i < quotedArgs.count(); i++) {
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QString arg = quotedArgs.at(i);
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bool hasSpace = false;
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for (int j = 0; j < arg.count(); j++)
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if (arg[j].isSpace())
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hasSpace = true;
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if (hasSpace)
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quotedArgs[i] = '\"' + arg + '\"';
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}
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return quotedArgs.join(QChar(' '));
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}
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QString ShellCommand::command() const
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{
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if (!_arguments.isEmpty())
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return _arguments[0];
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else
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return QString();
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}
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QStringList ShellCommand::arguments() const
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{
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return _arguments;
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}
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bool ShellCommand::isRootCommand() const
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{
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Q_ASSERT(0); // not implemented yet
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return false;
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}
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bool ShellCommand::isAvailable() const
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{
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Q_ASSERT(0); // not implemented yet
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return false;
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}
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QStringList ShellCommand::expand(const QStringList& items)
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{
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QStringList result;
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foreach(const QString & item , items) {
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result << expand(item);
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}
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return result;
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}
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QString ShellCommand::expand(const QString& text)
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{
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QString result = text;
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expandEnv(result);
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return result;
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}
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/*
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* expandEnv
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*
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* Expand environment variables in text. Escaped '$' characters are ignored.
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* Return true if any variables were expanded
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*/
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static bool expandEnv(QString& text)
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{
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// Find all environment variables beginning with '$'
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//
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int pos = 0;
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bool expanded = false;
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while ((pos = text.indexOf(QLatin1Char('$'), pos)) != -1) {
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// Skip escaped '$'
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//
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if (pos > 0 && text.at(pos - 1) == QLatin1Char('\\')) {
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pos++;
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}
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// Variable found => expand
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//
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else {
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// Find the end of the variable = next '/' or ' '
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//
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int pos2 = text.indexOf(QLatin1Char(' '), pos + 1);
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const int pos_tmp = text.indexOf(QLatin1Char('/'), pos + 1);
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if (pos2 == -1 || (pos_tmp != -1 && pos_tmp < pos2))
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pos2 = pos_tmp;
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if (pos2 == -1)
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pos2 = text.length();
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// Replace if the variable is terminated by '/' or ' '
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// and defined
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//
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if (pos2 >= 0) {
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const int len = pos2 - pos;
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const QString key = text.mid(pos + 1, len - 1);
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const QString value =
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QString::fromLocal8Bit(qgetenv(key.toLocal8Bit()));
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if (!value.isEmpty()) {
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expanded = true;
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text.replace(pos, len, value);
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pos = pos + value.length();
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} else {
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pos = pos2;
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}
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}
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}
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}
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return expanded;
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}
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