/*************************************************************************** *   Copyright (C) 2007-2009 by Elad Lahav *   elad_lahav@users.sourceforge.net * *   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., *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. ***************************************************************************/#include "ctags.h"#include "exception.h"namespace KScope{namespace Cscope{QString Ctags::execPath_ = "/usr/bin/ctags";/** * Class constructor. */Ctags::Ctags() : Process(), conn_(NULL){	// Parse a line starting with the following format:	// TAG_NAME\tFILE_NAME\tLINE_NUMBER;"\tTAG_TYPE	addRule(initState_, Parser::String<>('\t')	                    << Parser::Literal("\t")	                    << Parser::String<>('\t')	                    << Parser::Literal("\t")	                    << Parser::Number()	                    << Parser::Literal(";\"\t")	                    << Parser::String<QRegExp>(QRegExp("[\t\n]")),	        attrListState_, ParseAction(*this));	// Attribute lists:	// *(\tATTRIBUTE_NAME:[ATTRIBUTE_VALUE])\n	addRule(attrListState_, Parser::Literal("\t")	                        << Parser::String<>(':')	                        << Parser::Literal(":")	                        << Parser::String<QRegExp, true>(QRegExp("[\t\n]")),	        attrListState_, ParseAttributeAction(*this));	addRule(attrListState_, Parser::Literal("\n"),	        initState_);}/** * Class destructor. */Ctags::~Ctags(){}void Ctags::query(Core::Engine::Connection* conn, const QString& file){	// Abort if a process is already running.	if (state() != QProcess::NotRunning || conn_ != NULL)		throw Core::Exception("Process already running");	// Prepare the argument list.	QStringList args;	args << "-n"          // use line numbers instead of patterns         << "--fields=+s" // add scope information         << "--sort=no"   // do not sort by tag name         << "-f" << "-"   // output to stdout instead of a file         << file;	// Initialise parsing.	conn_ = conn;	conn_->setCtrlObject(this);	locList_.clear();	// Start the process.	qDebug() << "Running" << execPath_ << args;	start(execPath_, args);}/** * Called when the process terminates. * @param  code    The exit code of the process * @param  status  Used to indicate process crashes */void Ctags::handleFinished(int code, QProcess::ExitStatus status){	Process::handleFinished(code, status);	// Hand over data to the other side of the connection.	if (!locList_.isEmpty())		conn_->onDataReady(locList_);	// Signal normal termination.	conn_->onFinished();	// Detach from the connection object.	conn_->setCtrlObject(NULL);	conn_ = NULL;}} // namespace Cscope} // namespace KScope