1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/parser.cpp Mon Mar 05 23:22:51 2007 +0000
1.3 @@ -0,0 +1,234 @@
1.4 +#include "parser.h"
1.5 +
1.6 +#include <QRegExp>
1.7 +#include <iostream>
1.8 +
1.9 +using namespace std;
1.10 +
1.11 +Parser::Parser()
1.12 +{
1.13 + initCommand();
1.14 +}
1.15 +
1.16 +void Parser::initCommand()
1.17 +{
1.18 + com="";
1.19 + paramList.clear();
1.20 + resetError();
1.21 +}
1.22 +
1.23 +void Parser::parseAtom (const QString &s)
1.24 +{
1.25 + initCommand();
1.26 + input=s;
1.27 + QRegExp re;
1.28 + int pos;
1.29 +
1.30 + // Get command
1.31 + re.setPattern ("\\b(.*)(\\s|\\()");
1.32 + re.setMinimal (true);
1.33 + pos=re.search (s);
1.34 + if (pos>=0)
1.35 + com=re.cap(1);
1.36 +
1.37 + // Get parameters
1.38 + paramList.clear();
1.39 + re.setPattern ("\\((.*)\\)");
1.40 + pos=re.search (s);
1.41 + //cout << " s="<<s.ascii()<<endl;
1.42 + //cout << "com="<<com.ascii()<<" pos="<<pos<<endl<<endl;
1.43 + if (pos>=0)
1.44 + {
1.45 + QString s=re.cap(1);
1.46 + QString a;
1.47 + bool inquote=false;
1.48 + pos=0;
1.49 + if (!s.isEmpty())
1.50 + {
1.51 + while (pos<s.length())
1.52 + {
1.53 + if (s.at(pos)=='\"')
1.54 + {
1.55 + if (inquote)
1.56 + inquote=false;
1.57 + else
1.58 + inquote=true;
1.59 + }
1.60 +
1.61 + if (s.at(pos)==',' && !inquote)
1.62 + {
1.63 + a=s.left(pos);
1.64 + paramList.append(a);
1.65 + s=s.right(s.length()-pos-1);
1.66 + pos=0;
1.67 + } else
1.68 + pos++;
1.69 +
1.70 + }
1.71 + paramList.append (s);
1.72 + }
1.73 + }
1.74 +}
1.75 +
1.76 +QString Parser::command()
1.77 +{
1.78 + return com;
1.79 +}
1.80 +
1.81 +QStringList Parser::parameters()
1.82 +{
1.83 + return paramList;
1.84 +}
1.85 +
1.86 +int Parser::paramCount()
1.87 +{
1.88 + return paramList.count();
1.89 +}
1.90 +
1.91 +
1.92 +QString Parser::errorMessage()
1.93 +{
1.94 + QString l;
1.95 + switch (errLevel)
1.96 + {
1.97 + case NoError: l="No Error";
1.98 + case Warning: l="Warning";
1.99 + case Aborted: l="Aborted";
1.100 + }
1.101 + return QString ("Error Level: %1\n Command: %2\nDescription: %3")
1.102 + .arg(l).arg(com).arg(errDescription);
1.103 +}
1.104 +
1.105 +QString Parser::errorDescription()
1.106 +{
1.107 + return errDescription;
1.108 +}
1.109 +
1.110 +ErrorLevel Parser::errorLevel()
1.111 +{
1.112 + return errLevel;
1.113 +}
1.114 +
1.115 +void Parser::setError(ErrorLevel level, const QString &description)
1.116 +{
1.117 + errDescription=description;
1.118 + errLevel=level;
1.119 +}
1.120 +
1.121 +void Parser::resetError ()
1.122 +{
1.123 + errMessage="";
1.124 + errDescription="";
1.125 + errLevel=NoError;
1.126 +}
1.127 +
1.128 +
1.129 +bool Parser::checkParamCount (QList <int> plist)
1.130 +{
1.131 + QStringList expList;
1.132 + QString expected;
1.133 + for (int i=0; i<plist.count();i++)
1.134 + {
1.135 + if (checkParamCount (plist[i]))
1.136 + {
1.137 + resetError();
1.138 + return true;
1.139 + }
1.140 + expList.append(QString().setNum(plist[i]));
1.141 + }
1.142 + expected=expList.join(",");
1.143 + errDescription=QString("Wrong number of parameters: Expected %1, but found %2").arg(expected).arg(paramList.count());
1.144 + return false;
1.145 +}
1.146 +
1.147 +bool Parser::checkParamCount (const int &expected)
1.148 +{
1.149 + if (paramList.count()!=expected)
1.150 + {
1.151 + errLevel=Aborted;
1.152 + errDescription=QString("Wrong number of parameters: Expected %1, but found %2").arg(expected).arg(paramList.count());
1.153 + return false;
1.154 + }
1.155 + return true;
1.156 +}
1.157 +
1.158 +bool Parser::checkParamIsInt(const int &index)
1.159 +{
1.160 + bool ok;
1.161 + if (index > paramList.count())
1.162 + {
1.163 + errLevel=Aborted;
1.164 + errDescription=QString("Parameter index %1 is outside of parameter list").arg(index);
1.165 + return false;
1.166 + } else
1.167 + {
1.168 + paramList[index].toInt (&ok, 10);
1.169 + if (!ok)
1.170 + {
1.171 + errLevel=Aborted;
1.172 + errDescription=QString("Parameter %1 is not an integer").arg(index);
1.173 + return false;
1.174 + }
1.175 + }
1.176 + return true;
1.177 +}
1.178 +
1.179 +int Parser::parInt (bool &ok,const uint &index)
1.180 +{
1.181 + if (checkParamIsInt (index))
1.182 + return paramList[index].toInt (&ok, 10);
1.183 + ok=false;
1.184 + return 0;
1.185 +}
1.186 +
1.187 +QString Parser::parString (bool &ok,const int &index)
1.188 +{
1.189 + // return the string at index, this could be also stored in
1.190 + // a variable later
1.191 + QString r;
1.192 + QRegExp re("\"(.*)\"");
1.193 + int pos=re.search (paramList[index]);
1.194 + if (pos>=0)
1.195 + r=re.cap (1);
1.196 + else
1.197 + r="";
1.198 + ok=true;
1.199 + return r;
1.200 +}
1.201 +
1.202 +bool Parser::parBool (bool &ok,const int &index)
1.203 +{
1.204 + // return the bool at index, this could be also stored in
1.205 + // a variable later
1.206 + QString r;
1.207 + ok=true;
1.208 + QString p=paramList[index];
1.209 + if (p=="true" || p=="1")
1.210 + return true;
1.211 + else if (p=="false" || p=="0")
1.212 + return false;
1.213 + ok=false;
1.214 + return ok;
1.215 +}
1.216 +
1.217 +QColor Parser::parColor(bool &ok,const int &index)
1.218 +{
1.219 + // return the QColor at index
1.220 + ok=true;
1.221 + return QColor (paramList[index]);
1.222 +}
1.223 +
1.224 +void Parser::setScript(const QString &s)
1.225 +{
1.226 + script=s;
1.227 +}
1.228 +
1.229 +QString Parser::getScript()
1.230 +{
1.231 + return script;
1.232 +}
1.233 +
1.234 +void Parser::startScript()
1.235 +{
1.236 +}
1.237 +