api.cpp
author insilmaril
Sat, 24 Feb 2007 12:32:53 +0000
changeset 431 c2ffbc9b832d
parent 395 7ced3733ba60
permissions -rw-r--r--
bak
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#include "api.h"
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#include <qregexp.h>
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API::API()
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{
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	initCommand();
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}
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void API::initCommand()
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{
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	com="";
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	paramList.clear();
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	resetError();
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}
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void API::parseInput (const QString &s)
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{
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	initCommand();
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	input=s;
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	QRegExp re;
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	int pos;
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	// Get command
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	re.setPattern ("(.*)\\s");
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	re.setMinimal (true);
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	pos=re.search (s);
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	if (pos>=0)
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		com=re.cap(1);
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	// Get parameters
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	paramList.clear();
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	re.setPattern ("\\((.*)\\)");
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	pos=re.search (s);
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	if (pos>=0)
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	{
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		QString s=re.cap(1);
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		QString a;
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		bool inquote=false;
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		pos=0;
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		if (!s.isEmpty())
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		{
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			while (pos<s.length())
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			{
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				if (s.at(pos)=='\"') 
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				{
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					if (inquote)
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						inquote=false;
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					else	
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						inquote=true;
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				}
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				if (s.at(pos)==',' && !inquote)
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				{
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					a=s.left(pos);
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					paramList.append(a);
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					s=s.right(s.length()-pos-1);
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					pos=0;
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				} else
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					pos++;
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			}
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			paramList.append (s);
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		}	
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	}	
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}
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QString API::command()
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{
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	return com;
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}
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QStringList API::parameters()
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{
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	return paramList;
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}
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int API::paramCount()
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{
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	return paramList.count();
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}
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QString API::errorMessage()
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{
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	QString l;
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	switch (errLevel)
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	{
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		case NoError: l="No Error";
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		case Warning: l="Warning";
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		case Aborted: l="Aborted";
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	}
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	return QString ("Error Level: %1\n    Command: %2\nDescription: %3")
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		.arg(l).arg(com).arg(errDescription);
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}
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QString API::errorDescription()
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{
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	return errDescription;
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}
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ErrorLevel API::errorLevel()
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{
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	return errLevel;
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}
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void API::setError(ErrorLevel level, const QString &description)
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{
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	errDescription=description;
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	errLevel=level;
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}
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void API::resetError ()
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{
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	errMessage="";
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	errDescription="";
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	errLevel=NoError;
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}
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bool API::checkParamCount (QList <int> plist)
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{
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	QStringList expList;
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	QString expected;
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	for (int i=0; i<plist.count();i++)
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	{
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		if (checkParamCount (plist[i])) 
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		{
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			resetError();
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			return true;
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		}
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		expList.append(QString().setNum(plist[i]));
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	}	
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	expected=expList.join(",");	
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	errDescription=QString("Wrong number of parameters: Expected %1, but found %2").arg(expected).arg(paramList.count());
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	return false;
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}
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bool API::checkParamCount (const int &expected)
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{
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	if (paramList.count()!=expected)
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	{
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		errLevel=Aborted;
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		errDescription=QString("Wrong number of parameters: Expected %1, but found %2").arg(expected).arg(paramList.count());
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		return false;
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	} 
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	return true;	
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}
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bool API::checkParamIsInt(const int &index)
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{
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	bool ok;
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	if (index > paramList.count())
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	{
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		errLevel=Aborted;
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		errDescription=QString("Parameter index %1 is outside of parameter list").arg(index);
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		return false;
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	} else
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	{
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		paramList[index].toInt (&ok, 10);
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		if (!ok)
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		{
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			errLevel=Aborted;
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			errDescription=QString("Parameter %1 is not an integer").arg(index);
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			return false;
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		} 
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	}	
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	return true;
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}
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int API::parInt (bool &ok,const uint &index)
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{
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	if (checkParamIsInt (index))
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		return paramList[index].toInt (&ok, 10);
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	ok=false;
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	return 0;
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}
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QString API::parString (bool &ok,const int &index)
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{
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	// return the string at index, this could be also stored in
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	// a variable later
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	QString r;
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	QRegExp re("\"(.*)\"");
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	int pos=re.search (paramList[index]);
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	if (pos>=0)
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		r=re.cap (1);
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	else	
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		r="";
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	ok=true;
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	return r;
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}
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bool API::parBool (bool &ok,const int &index)
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{
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	// return the bool at index, this could be also stored in
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	// a variable later
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	QString r;
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	ok=true;
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	QString p=paramList[index];
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	if (p=="true" || p=="1")
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		return true;
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	else if	(p=="false" || p=="0")
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		return false;
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	ok=false;
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	return ok;
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}
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QColor API::parColor(bool &ok,const int &index)
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{
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	// return the QColor at index
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	ok=true;
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	return QColor (paramList[index]);
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}
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