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#include "api.h"
#include <qregexp.h>
API::API()
{
initCommand();
}
void API::initCommand()
{
com="";
paramList.clear();
errorString="";
noErr=true;
}
void API::parseCommand (const QString &s)
{
initCommand();
QRegExp re;
int pos;
// Get command
re.setPattern ("(.*)\\s");
re.setMinimal (true);
pos=re.search (s);
if (pos>=0)
com=re.cap(1);
// Get parameters
paramList.clear();
re.setPattern ("\\((.*)\\)");
pos=re.search (s);
if (pos>=0)
{
QString s=re.cap(1);
QString a;
bool inquote=false;
pos=0;
if (!s.isEmpty())
{
while (pos<s.length())
{
if (s.at(pos)=='\"')
{
if (inquote)
inquote=false;
else
inquote=true;
}
if (s.at(pos)==',' && !inquote)
{
a=s.left(pos);
paramList.append(a);
s=s.right(s.length()-pos-1);
pos=0;
} else
pos++;
}
paramList.append (s);
}
}
}
QString API::command()
{
return com;
}
QStringList API::parameters()
{
return paramList;
}
QString API::errorDesc()
{
return errorString;
}
bool API::error()
{
// invert noErr
return (noErr) ?false:true;
}
void API::setError(const QString &e)
{
noErr=false;
errorString=e;
}
bool API::checkParamCount (const uint &expected)
{
if (paramList.count()!=expected)
{
errorString=QString("expected %1 parameters, but got %2").arg(expected).arg(paramList.count());
noErr=false;
} else
noErr=true;
return noErr;
}
bool API::checkParamIsInt(const uint &index)
{
bool ok;
if (index > paramList.count())
{
errorString =QString("Parameter index %1 is outside of parameter list").arg(index);
noErr=false;
} else
{
paramList[index].toInt (&ok, 10);
if (!ok)
{
errorString=QString("Parameter %1 is not an integer").arg(index);
noErr=false;
} else
noErr=true;
}
return noErr;
}
int API::parInt (bool &ok,const uint &index)
{
if (checkParamIsInt (index))
{
return paramList[index].toInt (&ok, 10);
}
ok=false;
return 0;
}
QString API::parString (bool &ok,const uint &index)
{
// return the string at index, this could be also stored in
// a variable later
QString r;
QRegExp re("\"(.*)\"");
int pos=re.search (paramList[index]);
if (pos>=0)
r=re.cap (1);
else
r="";
ok=true;
return r;
}
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