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/***************************************************************************
*
* Copyright (C) 2005 Elad Lahav (elad_lahav@users.sourceforge.net)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
***************************************************************************/
#include <kstandarddirs.h>
#include "configfrontend.h"
/**
* Class constructor.
* @param bAutoDelete True to destroy the object when the process ends,
* false otherwise
*/
ConfigFrontend::ConfigFrontend(bool bAutoDelete) :
Frontend(1, bAutoDelete)
{
}
/**
* Class destructor.
*/
ConfigFrontend::~ConfigFrontend()
{
}
/**
* Executes the script using the "sh" shell.
* @param sCscopePath If given, overrides the automatic check for Cscope's
* path
* @param sCtagsPath If given, overrides the automatic check for Ctags'
* path
* @param sDotPath If given, overrides the automatic check for Dot's
* path
* @param bCscopeOptsOnly Only verify cscope's path and options
* @return true if successful, false otherwise
*/
bool ConfigFrontend::run(const QString& sCscopePath,
const QString& sCtagsPath, const QString& sDotPath,
bool bCscopeOptsOnly)
{
QStringList slArgs;
KStandardDirs sd;
QString sScript;
// Execute using the user's shell
setUseShell(true);
// Find the configuration script
sScript = sd.findResource("data", "kscope/kscope_config");
if (sScript.isEmpty())
return false;
// Set command line arguments
slArgs.append("sh");
slArgs.append(sScript);
if (bCscopeOptsOnly)
slArgs.append("-co");
// Initialise environment
setEnvironment("CSCOPE_PATH", sCscopePath);
setEnvironment("CTAGS_PATH", sCtagsPath);
setEnvironment("DOT_PATH", sDotPath);
// Parser initialisation
m_delim = Newline;
m_nNextResult = CscopePath;
if (!Frontend::run("sh", slArgs))
return false;
emit test(CscopePath);
return true;
}
/**
* Handles tokens generated by the script.
* Each token represents a line in the script's output, and is the result of
* a different test.
* @param sToken The generated token
*/
Frontend::ParseResult ConfigFrontend::parseStdout(QString& sToken,
ParserDelim)
{
uint nResult;
// Store the type of test for which the given token in the result
nResult = m_nNextResult;
// Determine the next test
switch (m_nNextResult) {
case CscopePath:
if (sToken == "ERROR")
m_nNextResult = CtagsPath;
else
m_nNextResult = CscopeVersion;
break;
case CscopeVersion:
if (sToken == "ERROR")
m_nNextResult = CtagsPath;
else
m_nNextResult = CscopeVerbose;
break;
case CscopeVerbose:
m_nNextResult = CscopeSlowPath;
break;
case CscopeSlowPath:
m_nNextResult = CtagsPath;
break;
case CtagsPath:
if (sToken == "ERROR")
m_nNextResult = END;
else
m_nNextResult = CtagsExub;
break;
case CtagsExub:
if (sToken == "ERROR")
m_nNextResult = END;
else
m_nNextResult = DotPath;
break;
case DotPath:
if (sToken == "ERROR")
m_nNextResult = END;
else
m_nNextResult = DotPlain;
break;
case DotPlain:
m_nNextResult = END;
break;
case END:
return DiscardToken;
}
// Publish the result and the type of the next test
emit result(nResult, sToken);
emit test(m_nNextResult);
return DiscardToken;
}
#include "configfrontend.moc"
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