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path: root/korundum/rubylib/rbkconfig_compiler/rbkconfig_compiler.cpp
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// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
/*
    This file is part of KDE.

    Copyright (c) 2003 Cornelius Schumacher <[email protected]>
    Copyright (c) 2003 Waldo Bastian <[email protected]>
    Copyright (c) 2003 Zack Rusin <[email protected]>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#include <tqfile.h>
#include <tqtextstream.h>
#include <tqdom.h>
#include <tqregexp.h>

#include <kaboutdata.h>
#include <kapplication.h>
#include <kdebug.h>
#include <klocale.h>
#include <kcmdlineargs.h>
#include <kglobal.h>
#include <kconfig.h>
#include <ksimpleconfig.h>
#include <kstandarddirs.h>

#include <iostream>

static const KCmdLineOptions options[] =
{
  { "d", 0, 0 },
  { "directory <dir>", I18N_NOOP("Directory to generate files in"), "." },
  { "+file.kcfg", I18N_NOOP("Input kcfg XML file"), 0 },
  { "+file.kcfgc", I18N_NOOP("Code generation options file"), 0 },
  KCmdLineLastOption
};


bool globalEnums;
bool itemAccessors;
TTQStringList allNames;
TTQRegExp *validNameRegexp;

class CfgEntry
{
  public:
    struct Choice
    {
      TTQString name;
      TTQString label;
      TTQString whatsThis;
    };

    CfgEntry( const TTQString &group, const TTQString &type, const TTQString &key,
              const TTQString &name, const TTQString &label,
              const TTQString &whatsThis, const TTQString &code,
              const TTQString &defaultValue, const TTQValueList<Choice> &choices,
              bool hidden )
      : mGroup( group ), mType( type ), mKey( key ), mName( name ),
        mLabel( label ), mWhatsThis( whatsThis ), mCode( code ),
        mDefaultValue( defaultValue ),
        mChoices( choices ), mHidden( hidden )
    {
    }

    void setGroup( const TTQString &group ) { mGroup = group; }
    TTQString group() const { return mGroup; }

    void setType( const TTQString &type ) { mType = type; }
    TTQString type() const { return mType; }

    void setKey( const TTQString &key ) { mKey = key; }
    TTQString key() const { return mKey; }

    void setName( const TTQString &name ) { mName = name; }
    TTQString name() const { return mName; }

    void setLabel( const TTQString &label ) { mLabel = label; }
    TTQString label() const { return mLabel; }

    void setWhatsThis( const TTQString &whatsThis ) { mWhatsThis = whatsThis; }
    TTQString whatsThis() const { return mWhatsThis; }

    void setDefaultValue( const TTQString &d ) { mDefaultValue = d; }
    TTQString defaultValue() const { return mDefaultValue; }

    void setCode( const TTQString &d ) { mCode = d; }
    TTQString code() const { return mCode; }

    void setMinValue( const TTQString &d ) { mMin = d; }
    TTQString minValue() const { return mMin; }

    void setMaxValue( const TTQString &d ) { mMax = d; }
    TTQString maxValue() const { return mMax; }

    void setParam( const TTQString &d ) { mParam = d; }
    TTQString param() const { return mParam; }

    void setParamName( const TTQString &d ) { mParamName = d; }
    TTQString paramName() const { return mParamName; }

    void setParamType( const TTQString &d ) { mParamType = d; }
    TTQString paramType() const { return mParamType; }

    void setChoices( const TTQValueList<Choice> &d ) { mChoices = d; }
    TTQValueList<Choice> choices() const { return mChoices; }

    void setParamValues( const TTQStringList &d ) { mParamValues = d; }
    TTQStringList paramValues() const { return mParamValues; }

    void setParamDefaultValues( const TTQStringList &d ) { mParamDefaultValues = d; }
    TTQString paramDefaultValue(int i) const { return mParamDefaultValues[i]; }

    void setParamMax( int d ) { mParamMax = d; }
    int paramMax() const { return mParamMax; }

    bool hidden() const { return mHidden; }

    void dump() const
    {
      kdDebug() << "<entry>" << endl;
      kdDebug() << "  group: " << mGroup << endl;
      kdDebug() << "  type: " << mType << endl;
      kdDebug() << "  key: " << mKey << endl;
      kdDebug() << "  name: " << mName << endl;
      kdDebug() << "  label: " << mLabel << endl;
// whatsthis
      kdDebug() << "  code: " << mCode << endl;
//      kdDebug() << "  values: " << mValues.join(":") << endl;
      
      if (!param().isEmpty())
      {
        kdDebug() << "  param name: "<< mParamName << endl;
        kdDebug() << "  param type: "<< mParamType << endl;
        kdDebug() << "  paramvalues: " << mParamValues.join(":") << endl;
      }
      kdDebug() << "  default: " << mDefaultValue << endl;
      kdDebug() << "  hidden: " << mHidden << endl;
      kdDebug() << "  min: " << mMin << endl;
      kdDebug() << "  max: " << mMax << endl;
      kdDebug() << "</entry>" << endl;
    }

  private:
    TTQString mGroup;
    TTQString mType;
    TTQString mKey;
    TTQString mName;
    TTQString mLabel;
    TTQString mWhatsThis;
    TTQString mCode;
    TTQString mDefaultValue;
    TTQString mParam;
    TTQString mParamName;
    TTQString mParamType;
    TTQValueList<Choice> mChoices;
    TTQStringList mParamValues;
    TTQStringList mParamDefaultValues;
    int mParamMax;
    bool mHidden;
    TTQString mMin;
    TTQString mMax;
};


static TTQString varName(const TTQString &n)
{
  TTQString result = "@"+n;
  result[1] = result[1].lower();
  return result;
}

static TTQString enumName(const TTQString &n)
{
  TTQString result = "Enum"+n;
  result[4] = result[4].upper();
  return result;
}

static TTQString enumValue(const TTQString &n)
{
  TTQString result = n;
  result[0] = result[0].upper();
  return result;
}

static TTQString setFunction(const TTQString &n)
{
  TTQString result = "set"+n;
  result[3] = result[3].upper();
  return result;
}


static TTQString getFunction(const TTQString &n)
{
  TTQString result = n;
  result[0] = result[0].lower();
  return result;
}


static void addQuotes( TTQString &s )
{
  if ( s.left( 1 ) != "\"" ) s.prepend( "\"" );
  if ( s.right( 1 ) != "\"" ) s.append( "\"" );
}

static TTQString quoteString( const TTQString &s )
{
  TTQString r = s;
  r.replace( "\\", "\\\\" );
  r.replace( "\"", "\\\"" );
  r.replace( "\r", "" );
  r.replace( "\n", "\\n\"\n\"" );
  return "\"" + r + "\"";
}

static TTQString literalString( const TTQString &s )
{
  bool isAscii = true;
  for(int i = s.length(); i--;)
     if (s[i].unicode() > 127) isAscii = false;
  
  return quoteString(s);

//  if (isAscii)
//     return "TTQString::fromLatin1( " + quoteString(s) + " )";
//  else
//     return "TTQString::fromUtf8( " + quoteString(s) + " )";
}

static TTQString dumpNode(const TTQDomNode &node)
{
  TTQString msg;
  TTQTextStream s(&msg, IO_WriteOnly );
  node.save(s, 0);

  msg = msg.simplifyWhiteSpace();
  if (msg.length() > 40)
    return msg.left(37)+"...";
  return msg;
}

static TTQString filenameOnly(TTQString path)
{
   int i = path.findRev('/');
   if (i >= 0)
      return path.mid(i+1);
   return path;
}

static void preProcessDefault( TTQString &defaultValue, const TTQString &name,
                               const TTQString &type,
                               const TTQValueList<CfgEntry::Choice> &choices,
                               TTQString &code )
{
    if ( type == "String" && !defaultValue.isEmpty() ) {
      defaultValue = literalString(defaultValue);

    } else if ( type == "Path" && !defaultValue.isEmpty() ) {
      defaultValue = literalString( defaultValue );

    } else if ( type == "StringList" && !defaultValue.isEmpty() ) {
      TTQTextStream rb( &code, IO_WriteOnly | IO_Append );
      if (!code.isEmpty())
         rb << endl;

//      rb << "  TTQStringList default" << name << ";" << endl;
      rb << "        default" << name << " = []" << endl;
      TTQStringList defaults = TTQStringList::split( ",", defaultValue );
      TTQStringList::ConstIterator it;
      for( it = defaults.begin(); it != defaults.end(); ++it ) {
        rb << "        default" << name << " << \"" << *it << "\""
            << endl;
      }
      defaultValue = "default" + name;

    } else if ( type == "Color" && !defaultValue.isEmpty() ) {
      TTQRegExp colorRe("\\d+,\\s*\\d+,\\s*\\d+");
      if (colorRe.exactMatch(defaultValue))
      {
        defaultValue = "TQt::Color.new( " + defaultValue + " )";
      }
      else
      {
        defaultValue = "TQt::Color.new( \"" + defaultValue + "\" )";
      }

    } else if ( type == "Enum" ) {
      if ( !globalEnums ) {
        TTQValueList<CfgEntry::Choice>::ConstIterator it;
        for( it = choices.begin(); it != choices.end(); ++it ) {
          if ( (*it).name == defaultValue ) {
            defaultValue.prepend( enumName(name) + "_");
            break;
          }
        }
      }

    } else if ( type == "IntList" ) {
      TTQTextStream rb( &code, IO_WriteOnly | IO_Append );
      if (!code.isEmpty())
         rb << endl;

      rb << "        default" << name << " = []" << endl;
      TTQStringList defaults = TTQStringList::split( ",", defaultValue );
      TTQStringList::ConstIterator it;
      for( it = defaults.begin(); it != defaults.end(); ++it ) {
        rb << "        default" << name << " << " << *it << ""
            << endl;
      }
      defaultValue = "default" + name;
    }
}


CfgEntry *parseEntry( const TTQString &group, const TTQDomElement &element )
{
  bool defaultCode = false;
  TTQString type = element.attribute( "type" );
  TTQString name = element.attribute( "name" );
  TTQString key = element.attribute( "key" );
  TTQString hidden = element.attribute( "hidden" );
  TTQString label;
  TTQString whatsThis;
  TTQString defaultValue;
  TTQString code;
  TTQString param;
  TTQString paramName;
  TTQString paramType;
  TTQValueList<CfgEntry::Choice> choices;
  TTQStringList paramValues;
  TTQStringList paramDefaultValues;
  TTQString minValue;
  TTQString maxValue;
  int paramMax = 0;

  TTQDomNode n;
  for ( n = element.firstChild(); !n.isNull(); n = n.nextSibling() ) {
    TTQDomElement e = n.toElement();
    TTQString tag = e.tagName();
    if ( tag == "label" ) label = e.text();
    else if ( tag == "whatsthis" ) whatsThis = e.text();
    else if ( tag == "min" ) minValue = e.text();
    else if ( tag == "max" ) maxValue = e.text();
    else if ( tag == "code" ) code = e.text();
    else if ( tag == "parameter" )
    {
      param = e.attribute( "name" );
      paramType = e.attribute( "type" );
      if ( param.isEmpty() ) {
        kdError() << "Parameter must have a name: " << dumpNode(e) << endl;
        return 0;
      }
      if ( paramType.isEmpty() ) {
        kdError() << "Parameter must have a type: " << dumpNode(e) << endl;
        return 0;
      }
      if ((paramType == "Int") || (paramType == "UInt"))
      {
         bool ok;
         paramMax = e.attribute("max").toInt(&ok);
         if (!ok)
         {
           kdError() << "Integer parameter must have a maximum (e.g. max=\"0\"): " << dumpNode(e) << endl;
           return 0;
         }
      }
      else if (paramType == "Enum")
      {
         TTQDomNode n2;
         for ( n2 = e.firstChild(); !n2.isNull(); n2 = n2.nextSibling() ) {
           TTQDomElement e2 = n2.toElement();
           if (e2.tagName() == "values")
           {
             TTQDomNode n3;
             for ( n3 = e2.firstChild(); !n3.isNull(); n3 = n3.nextSibling() ) {
               TTQDomElement e3 = n3.toElement();
               if (e3.tagName() == "value")
               {
                  paramValues.append( e3.text() );
               }
             }
             break;
           }
         }
         if (paramValues.isEmpty())
         {
           kdError() << "No values specified for parameter '" << param << "'." << endl;
           return 0;
         }
         paramMax = paramValues.count()-1;
      }
      else
      {
        kdError() << "Parameter '" << param << "' has type " << paramType << " but must be of type int, uint or Enum." << endl;
        return 0;
      }
    }
    else if ( tag == "default" )
    {
      if (e.attribute("param").isEmpty())
      {
        defaultValue = e.text();
        if (e.attribute( "code" ) == "true")
          defaultCode = true;
      }
    }
    else if ( tag == "choices" ) {
      TTQDomNode n2;
      for( n2 = e.firstChild(); !n2.isNull(); n2 = n2.nextSibling() ) {
        TTQDomElement e2 = n2.toElement();
        if ( e2.tagName() == "choice" ) {
          TTQDomNode n3;
          CfgEntry::Choice choice;
          choice.name = e2.attribute( "name" );
          if ( choice.name.isEmpty() ) {
            kdError() << "Tag <choice> retquires attribute 'name'." << endl;
          }
          for( n3 = e2.firstChild(); !n3.isNull(); n3 = n3.nextSibling() ) {
            TTQDomElement e3 = n3.toElement();
            if ( e3.tagName() == "label" ) choice.label = e3.text();
            if ( e3.tagName() == "whatsthis" ) choice.whatsThis = e3.text();
          }
          choices.append( choice );
        }
      }
    }
  }

  bool nameIsEmpty = name.isEmpty();
  if ( nameIsEmpty && key.isEmpty() ) {
    kdError() << "Entry must have a name or a key: " << dumpNode(element) << endl;
    return 0;
  }

  if ( key.isEmpty() ) {
    key = name;
  }

  if ( nameIsEmpty ) {
    name = key;
    name.replace( " ", TTQString::null );
  } else if ( name.contains( ' ' ) ) {
    kdWarning()<<"Entry '"<<name<<"' contains spaces! <name> elements can't contain speces!"<<endl;
    name.remove( ' ' );
  }

  if (name.contains("$("))
  {
    if (param.isEmpty())
    {
      kdError() << "Name may not be parameterized: " << name << endl;
      return 0;
    }
  }
  else
  {
    if (!param.isEmpty())
    {
      kdError() << "Name must contain '$(" << param << ")': " << name << endl;
      return 0;
    }
  }

  if ( label.isEmpty() ) {
    label = key;
  }

  if ( type.isEmpty() ) type = "String"; // XXX : implicit type might be bad

  if (!param.isEmpty())
  {
    // Adjust name
    paramName = name;
    name.replace("$("+param+")", TTQString::null);
    // Lookup defaults for indexed entries
    for(int i = 0; i <= paramMax; i++)
    {
      paramDefaultValues.append(TTQString::null);
    }

    TTQDomNode n;
    for ( n = element.firstChild(); !n.isNull(); n = n.nextSibling() ) {
      TTQDomElement e = n.toElement();
      TTQString tag = e.tagName();
      if ( tag == "default" )
      {
        TTQString index = e.attribute("param");
        if (index.isEmpty())
           continue;

        bool ok;
        int i = index.toInt(&ok);
        if (!ok)
        {
          i = paramValues.findIndex(index);
          if (i == -1)
          {
            kdError() << "Index '" << index << "' for default value is unknown." << endl;
            return 0;
          }
        }

        if ((i < 0) || (i > paramMax))
        {
          kdError() << "Index '" << i << "' for default value is out of range [0, "<< paramMax<<"]." << endl;
          return 0;
        }

        TTQString tmpDefaultValue = e.text();

        if (e.attribute( "code" ) != "true")
           preProcessDefault(tmpDefaultValue, name, type, choices, code);

        paramDefaultValues[i] = tmpDefaultValue;
      }
    }
  }

  if (!validNameRegexp->exactMatch(name))
  {
    if (nameIsEmpty)
      kdError() << "The key '" << key << "' can not be used as name for the entry because "
                   "it is not a valid name. You need to specify a valid name for this entry." << endl;
    else
      kdError() << "The name '" << name << "' is not a valid name for an entry." << endl;
    return 0;
  }

  if (allNames.contains(name))
  {
    if (nameIsEmpty)
      kdError() << "The key '" << key << "' can not be used as name for the entry because "
                   "it does not result in a unique name. You need to specify a unique name for this entry." << endl;
    else
      kdError() << "The name '" << name << "' is not unique." << endl;
    return 0;
  }
  allNames.append(name);

  if (!defaultCode)
  {
    preProcessDefault(defaultValue, name, type, choices, code);
  }

  CfgEntry *result = new CfgEntry( group, type, key, name, label, whatsThis,
                                   code, defaultValue, choices,
                                   hidden == "true" );
  if (!param.isEmpty())
  {
    result->setParam(param);
    result->setParamName(paramName);
    result->setParamType(paramType);
    result->setParamValues(paramValues);
    result->setParamDefaultValues(paramDefaultValues);
    result->setParamMax(paramMax);
  }
  result->setMinValue(minValue);
  result->setMaxValue(maxValue);

  return result;
}

/**
  Return parameter declaration for given type.
*/
TTQString param( const TTQString &type )
{
    if ( type == "String" )           return "const TTQString &";
    else if ( type == "StringList" )  return "const TTQStringList &";
    else if ( type == "Font" )        return "const TTQFont &";
    else if ( type == "Rect" )        return "const TTQRect &";
    else if ( type == "Size" )        return "const TTQSize &";
    else if ( type == "Color" )       return "const TTQColor &";
    else if ( type == "Point" )       return "const TTQPoint &";
    else if ( type == "Int" )         return "int";
    else if ( type == "UInt" )        return "uint";
    else if ( type == "Bool" )        return "bool";
    else if ( type == "Double" )      return "double";
    else if ( type == "DateTime" )    return "const TTQDateTime &";
    else if ( type == "Int64" )       return "Q_INT64";
    else if ( type == "UInt64" )      return "Q_UINT64";
    else if ( type == "IntList" )     return "const TTQValueList<int> &";
    else if ( type == "Enum" )        return "int";
    else if ( type == "Path" )        return "const TTQString &";
    else if ( type == "Password" )    return "const TTQString &";
    else {
        kdError() <<"rbkconfig_compiler does not support type \""<< type <<"\""<<endl;
        return "TTQString"; //For now, but an assert would be better
    }
}

/**
  Actual Ruby initializer value to give a type.
*/
TTQString rbType( const TTQString &type )
{
    if ( type == "String" )           return "\"\"";
    else if ( type == "StringList" )  return "[]";
    else if ( type == "Font" )        return "TQt::Font.new";
    else if ( type == "Rect" )        return "TQt::Rect.new";
    else if ( type == "Size" )        return "TQt::Size.new";
    else if ( type == "Color" )       return "TQt::Color.new";
    else if ( type == "Point" )       return "TQt::Point.new";
    else if ( type == "Int" )         return "0";
    else if ( type == "UInt" )        return "0";
    else if ( type == "Bool" )        return "false, 42";
    else if ( type == "Double" )      return "0.0";
    else if ( type == "DateTime" )    return "TQt::DateTime.new";
    else if ( type == "Int64" )       return "0";
    else if ( type == "UInt64" )      return "0";
    else if ( type == "IntList" )     return "[]";
    else if ( type == "Enum" )        return "0";
    else if ( type == "Path" )        return "\"\"";
    else if ( type == "Password" )    return "\"\"";
    else {
        kdError()<<"rbkconfig_compiler does not support type \""<< type <<"\""<<endl;
        return "nil"; //For now, but an assert would be better
    }
}

TTQString defaultValue( const TTQString &type )
{
    if ( type == "String" )           return "\"\""; // Use empty string, not null string!
    else if ( type == "StringList" )  return "[]";
    else if ( type == "Font" )        return "KDE::GlobalSettings.generalFont()";
    else if ( type == "Rect" )        return "TQt::Rect.new()";
    else if ( type == "Size" )        return "TQt::Size.new()";
    else if ( type == "Color" )       return "TQt::Color.new(128, 128, 128)";
    else if ( type == "Point" )       return "TQt::Point.new()";
    else if ( type == "Int" )         return "0";
    else if ( type == "UInt" )        return "0";
    else if ( type == "Bool" )        return "false";
    else if ( type == "Double" )      return "0.0";
    else if ( type == "DateTime" )    return "TQt::DateTime.new()";
    else if ( type == "Int64" )       return "0";
    else if ( type == "UInt64" )      return "0";
    else if ( type == "IntList" )     return "[]";
    else if ( type == "Enum" )        return "0";
    else if ( type == "Path" )        return "\"\""; // Use empty string, not null string!
    else if ( type == "Password" )    return "\"\""; // Use empty string, not null string!
    else {
        kdWarning()<<"Error, rbkconfig_compiler doesn't support the \""<< type <<"\" type!"<<endl;
        return "String"; //For now, but an assert would be better
    }
}

TTQString itemType( const TTQString &type )
{
  TTQString t;

  t = type;
  t.replace( 0, 1, t.left( 1 ).upper() );
  return t;
}

static TTQString itemVar(const CfgEntry *e)
{
  if (itemAccessors)
     return varName( e->name() ) + "Item";

  return "item" + e->name();

}

TTQString newItem( const TTQString &type, const TTQString &name, const TTQString &key,
                 const TTQString &defaultValue, const TTQString &param = TTQString::null)
{
  TTQString t = "Item" + itemType( type ) +
              ".new( currentGroup(), " + key + ", " + varName( name ) + param;
  if ( type == "Enum" ) {
    t += ".toInt";  
    t += ", values" + name;
  } else if ( type == "Path" ) {
    t += ".toString";  
  } else if ( type == "Int64" ) {
    t += ".toLongLong";  
  } else {
    t += ".to" + itemType( type );
  }
  if ( !defaultValue.isEmpty() ) {
    t += ", ";
    if ( type == "String" ) t += defaultValue;
    else t+= defaultValue;
  }
  t += " )";

  return t;
}

TTQString addItem( const TTQString &type, const TTQString &name, const TTQString &key,
                 const TTQString &defaultValue, const TTQString &param = TTQString::null,
                 const TTQString &paramName = TTQString::null )
{
  TTQString t = "addItem" + itemType( type ) +
              "( " + key + ", " + varName( name ) + param;
  if ( type == "Enum" ) t += ", values" + name;
  if ( !defaultValue.isEmpty() ) {
    t += ", ";
    if ( type == "String" ) t += defaultValue;
    else if ( type == "Enum" ) t += enumValue(defaultValue);
    else t+= defaultValue;
  }
  
  if (!paramName.isNull()) {
    t += ", \"" + paramName + "\"";
  }
  
  t += " )";

  return t;
}

TTQString paramString(const TTQString &s, const CfgEntry *e, int i)
{
  TTQString result = s;
  TTQString needle = "$("+e->param()+")";
  if (result.contains(needle))
  {
    TTQString tmp;
    if (e->paramType() == "Enum")
    {
      tmp = e->paramValues()[i];
    }
    else
    {
      tmp = TTQString::number(i);
    }

    result.replace(needle, tmp);
  }
  return result;
}

TTQString paramString(const TTQString &group, const TTQStringList &parameters)
{
  TTQString paramString = group;
  TTQString arguments;
  int i = 0;
  for( TTQStringList::ConstIterator it = parameters.begin();
       it != parameters.end(); ++it)
  {
     if (paramString.contains("$("+*it+")"))
     {
       i++;
       paramString.replace("$("+*it+")", "%s");
       if (i > 1) {
         arguments += ", ";
       }
       arguments += " @param"+*it;
     }
  }
  if (arguments.isEmpty())
    return "\""+group+"\"";

  if (i == 1) {
    return "\""+paramString+"\" % "+arguments;
  } else {
    return "\""+paramString+"\" % ["+arguments+"]";
  }
}

/* int i is the value of the parameter */
TTQString userTextsFunctions( CfgEntry *e, TTQString itemVarStr=TTQString::null, TTQString i=TTQString::null )
{
  TTQString txt;
  if (itemVarStr.isNull()) itemVarStr=itemVar(e);
  if ( !e->label().isEmpty() ) {
    txt += "        " + itemVarStr + ".setLabel( i18n(";
    if ( !e->param().isEmpty() )
      txt += quoteString(e->label().replace("$("+e->param()+")", i));
    else 
      txt+= quoteString(e->label());
    txt+= ") )\n";
  }
  if ( !e->whatsThis().isEmpty() ) {
    txt += "        " + itemVarStr + ".setWhatsThis( i18n(";
    if ( !e->param().isEmpty() )
      txt += quoteString(e->whatsThis().replace("$("+e->param()+")", i));
    else 
      txt+= quoteString(e->whatsThis());
    txt+=") )\n";
  }
  return txt;
}

int main( int argc, char **argv )
{
  KAboutData aboutData( "rbkconfig_compiler", I18N_NOOP("KDE .kcfg compiler"), "0.3",
    I18N_NOOP("Ruby KConfig Compiler") , KAboutData::License_LGPL );
  aboutData.addAuthor( "Cornelius Schumacher", 0, "[email protected]" );
  aboutData.addAuthor( "Waldo Bastian", 0, "[email protected]" );
  aboutData.addAuthor( "Zack Rusin", 0, "[email protected]" );
  aboutData.addCredit( "Reinhold Kainhofer", "Fix for parametrized entries", 
      "[email protected]", "http://reinhold.kainhofer.com" );
  aboutData.addCredit( "Richard Dale", "Ruby port", 
      "[email protected]", "" );

  KCmdLineArgs::init( argc, argv, &aboutData );
  KCmdLineArgs::addCmdLineOptions( options );

  KInstance app( &aboutData );

  KCmdLineArgs *args = KCmdLineArgs::parsedArgs();

  if ( args->count() < 2 ) {
    kdError() << "Too few arguments." << endl;
    return 1;
  }
  if ( args->count() > 2 ) {
    kdError() << "Too many arguments." << endl;
    return 1;
  }

  validNameRegexp = new TTQRegExp("[a-zA-Z_][a-zA-Z0-9_]*");

  TTQString baseDir = TTQFile::decodeName(args->getOption("directory"));
  if (!baseDir.endsWith("/"))
    baseDir.append("/");

  TTQString inputFilename = args->url( 0 ).path();
  TTQString codegenFilename = args->url( 1 ).path();

  if (!codegenFilename.endsWith(".kcfgc"))
  {
    kdError() << "Codegen options file must have extension .kcfgc" << endl;
    return 1;
  }
  TTQString baseName = args->url( 1 ).fileName();
  baseName = baseName.left(baseName.length() - 6);

  KSimpleConfig codegenConfig( codegenFilename, true );

  TTQString nameSpace = codegenConfig.readEntry("NameSpace");
  TTQString className = codegenConfig.readEntry("ClassName");
  TTQString inherits = codegenConfig.readEntry("Inherits");
  TTQString visibility = codegenConfig.readEntry("Visibility");
  if (!visibility.isEmpty()) visibility+=" ";
  bool singleton = codegenConfig.readBoolEntry("Singleton", false);
  bool customAddons = codegenConfig.readBoolEntry("CustomAdditions");
  TTQString memberVariables = codegenConfig.readEntry("MemberVariables");
  TTQStringList headerIncludes = codegenConfig.readListEntry("IncludeFiles");
  TTQStringList mutators = codegenConfig.readListEntry("Mutators");
  bool allMutators = false;
  if ((mutators.count() == 1) && (mutators[0].lower() == "true"))
     allMutators = true;
  itemAccessors = codegenConfig.readBoolEntry( "ItemAccessors", false );
  bool setUserTexts = codegenConfig.readBoolEntry( "SetUserTexts", false );

  globalEnums = codegenConfig.readBoolEntry( "GlobalEnums", false );

  TTQFile input( inputFilename );

  TTQDomDocument doc;
  TTQString errorMsg;
  int errorRow;
  int errorCol;
  if ( !doc.setContent( &input, &errorMsg, &errorRow, &errorCol ) ) {
    kdError() << "Unable to load document." << endl;
    kdError() << "Parse error in " << args->url( 0 ).fileName() << ", line " << errorRow << ", col " << errorCol << ": " << errorMsg << endl;
    return 1;
  }

  TTQDomElement cfgElement = doc.documentElement();

  if ( cfgElement.isNull() ) {
    kdError() << "No document in kcfg file" << endl;
    return 1;
  }

  TTQString cfgFileName;
  bool cfgFileNameArg = false;
  TTQStringList parameters;
  TTQStringList includes;

  TTQPtrList<CfgEntry> entries;
  entries.setAutoDelete( true );

  TTQDomNode n;
  for ( n = cfgElement.firstChild(); !n.isNull(); n = n.nextSibling() ) {
    TTQDomElement e = n.toElement();

    TTQString tag = e.tagName();

    if ( tag == "include" ) {
      TTQString includeFile = e.text();
      if (!includeFile.isEmpty())
        includes.append(includeFile);

    } else if ( tag == "kcfgfile" ) {
      cfgFileName = e.attribute( "name" );
      cfgFileNameArg = e.attribute( "arg" ).lower() == "true";
      TTQDomNode n2;
      for( n2 = e.firstChild(); !n2.isNull(); n2 = n2.nextSibling() ) {
        TTQDomElement e2 = n2.toElement();
        if ( e2.tagName() == "parameter" ) {
          parameters.append( e2.attribute( "name" ) );
        }
      }

    } else if ( tag == "group" ) {
      TTQString group = e.attribute( "name" );
      if ( group.isEmpty() ) {
        kdError() << "Group without name" << endl;
        return 1;
      }
      TTQDomNode n2;
      for( n2 = e.firstChild(); !n2.isNull(); n2 = n2.nextSibling() ) {
        TTQDomElement e2 = n2.toElement();
        if ( e2.tagName() != "entry" ) continue;
        CfgEntry *entry = parseEntry( group, e2 );
        if ( entry ) entries.append( entry );
        else {
          kdError() << "Can't parse entry." << endl;
          return 1;
        }
      }
    }
  }

  if ( inherits.isEmpty() ) inherits = "KDE::ConfigSkeleton";

  if ( className.isEmpty() ) {
    kdError() << "Class name missing" << endl;
    return 1;
  }

  if ( singleton && !parameters.isEmpty() ) {
    kdError() << "Singleton class can not have parameters" << endl;
    return 1;
  }

  if ( singleton && cfgFileNameArg)
  {
    kdError() << "Singleton class can not use filename as argument." << endl;
    return 1;
  }

  if ( !cfgFileName.isEmpty() && cfgFileNameArg)
  {
    kdError() << "Having both a fixed filename and a filename as argument is not possible." << endl;
    return 1;
  }

  if ( entries.isEmpty() ) {
    kdWarning() << "No entries." << endl;
  }

#if 0
  CfgEntry *cfg;
  for( cfg = entries.first(); cfg; cfg = entries.next() ) {
    cfg->dump();
  }
#endif

  TTQString implementationFileName = baseName + ".rb";

  TTQFile implementation( baseDir + implementationFileName );
  if ( !implementation.open( IO_WriteOnly ) ) {
    kdError() << "Can't open '" << implementationFileName << "for writing." << endl;
    return 1;
  }

  TTQTextStream rb( &implementation );

  rb << "# This file is generated by rbkconfig_compiler from " << args->url(0).fileName() << "." << endl;
  rb << "# All changes you do to this file will be lost." << endl;
  rb << endl << "retquire 'Korundum'" << endl;
  
  if (singleton) {
    rb << "retquire 'singleton'" << endl;
  }
  
  rb << endl;

//  rb << "#ifndef " << ( !nameSpace.isEmpty() ? nameSpace.upper() + "_" : "" )
//    << className.upper() << "_H" << endl;
//  rb << "#define " << ( !nameSpace.isEmpty() ? nameSpace.upper() + "_" : "" )
//    << className.upper() << "_H" << endl << endl;

  // Includes
//  TTQStringList::ConstIterator it;
//  for( it = headerIncludes.begin(); it != headerIncludes.end(); ++it ) {
//    rb << "#include <" << *it << ">" << endl;
//  }

  if ( headerIncludes.count() > 0 ) rb << endl;

//  rb << "#include <kconfigskeleton.h>" << endl << endl;

  if ( !nameSpace.isEmpty() )
    rb << "module " << nameSpace << endl << endl;

  // Class declaration header
  rb << "class " <<  className << " < " << inherits << endl;

  if (singleton) {
    rb << "    include Singleton" << endl << endl;
  }
  
  // enums
  CfgEntry *e;
  for( e = entries.first(); e; e = entries.next() ) {
    TTQValueList<CfgEntry::Choice> choices = e->choices();
    if ( !choices.isEmpty() ) {
      TTQStringList values;
      TTQValueList<CfgEntry::Choice>::ConstIterator itChoice;
      for( itChoice = choices.begin(); itChoice != choices.end(); ++itChoice ) {
        if (globalEnums) {
          values.append( enumValue((*itChoice).name) );
        } else {
          values.append( enumName(e->name()) + "_" + (*itChoice).name );
        }
      }
      if (!globalEnums) {
        values.append( enumName(e->name()) + "_COUNT" );
      }
      int count = 0;
      for ( TTQStringList::Iterator it = values.begin(); it != values.end(); ++it, count++ ) {
        rb << "    " << *it << " = " << count << endl;
      }
      rb << endl;
    }
    
    TTQStringList values = e->paramValues();
    if ( !values.isEmpty() ) {
      int count = 0;
      for ( TTQStringList::Iterator it = values.begin(); it != values.end(); ++it, count++ ) {
        if (globalEnums) {
          rb << "    " << enumValue(*it) << " = " << count << endl;
        } else {
          rb << "    " << enumName(e->param()) << "_" << *it << " = " << count << endl;
        }
      }
      if (!globalEnums) {
        rb << "    " << enumName(e->param()) << "_COUNT = " << count << endl;
      }
      rb << endl;
      
      rb << "    def " << enumName(e->param()) << "ToString(i)" << endl;
      rb << "        [";
      count = 0;
      for ( TTQStringList::Iterator it = values.begin(); it != values.end(); ++it, count++ ) {
          if (count > 0) {
          rb << ", ";
        }
        
        rb << "\"" << *it << "\"";
      }
      
      rb << "].at(i)" << endl;
      rb << "    end" << endl;
    }
  }

  rb << endl;

  for( e = entries.first(); e; e = entries.next() ) {
    TTQString n = e->name();
    TTQString t = e->type();

    // Manipulator
    if (allMutators || mutators.contains(n))
    {
      rb << "    #" << endl;
      rb << "    #  Set " << e->label() << endl;
      rb << "    #" << endl;
      rb << "    def " << setFunction(n) << "( ";
      if (!e->param().isEmpty())
        rb  << " i, ";
      rb << " v )" << endl;
      rb << "        item = findItem( \"";
      if (!e->param().isEmpty()) {
        rb << e->paramName().replace("$("+e->param()+")", "%s") << "\" % ";
        if ( e->paramType() == "Enum" ) {
          rb << " ";
          if (globalEnums) 
            rb << enumName(e->param()) << "ToString(i)";
          else 
            rb << enumName(e->param()) << "ToString(i)";
        } else {
          rb << "i";
        }
      } else {
        rb << n << "\"";
	  }
      rb << " )" << endl;
      rb << "        if !item.immutable? " << endl;
      rb << "            item.property = " << varName(n);
      if (!e->param().isEmpty())
        rb << "[i]";
      rb << " = TQt::Variant.new( v )" << endl;
      rb << "        end" << endl;
      rb << "    end" << endl << endl;
    }

    // Accessor
    rb << "    #" << endl;
    rb << "    # Get " << e->label() << endl;
    rb << "    #" << endl;
    rb << "    def " << getFunction(n) << "(";
    if (!e->param().isEmpty())
      rb << " "  <<" i ";
    rb << ")" << endl;
    rb << "        " << varName(n); 
    if (!e->param().isEmpty()) rb << "[i]";
    rb << " = findItem( \"";
    if (!e->param().isEmpty()) {
      rb << e->paramName().replace("$("+e->param()+")", "%s") << "\" % ";
      if ( e->paramType() == "Enum" ) {
        rb << " ";
        if (globalEnums) 
          rb << enumName(e->param()) << "ToString(i)";
        else 
          rb << enumName(e->param()) << "ToString(i)";
      } else {
        rb << "i";
      }
    } else {
      rb << n << "\"";
    }
    rb << " ).property" << endl;
    rb << "        return " << varName(n);
    if (!e->param().isEmpty()) rb << "[i]";
    if ( e->type() == "Enum" ) {
	  rb << ".toInt" << endl;
    } else if ( e->type() == "Int64" ) {
	  rb << ".toLongLong" << endl;
    } else if ( e->type() == "Path" ) {
	  rb << ".toString" << endl;
	} else {
	  rb << ".to" << itemType( e->type() ) << endl;
	}
    rb << "    end" << endl;

    // Item accessor
    if ( itemAccessors ) {
      rb << endl;
      rb << "    #" << endl;
      rb << "    # Get Item object corresponding to " << n << "()"
        << endl;
      rb << "    #" << endl;
      rb << "    def "
        << getFunction( n ) << "Item(";
      if (!e->param().isEmpty()) {
        rb << " "  << " i ";
      }
      rb << ")" << endl;
      rb << "        return " << itemVar(e);
      if (!e->param().isEmpty()) rb << "[i]";
      rb << endl << "    end" << endl;
    }

    rb << endl;
  }


  if (customAddons)
  {
     rb << "    # Include custom additions" << endl;
  }


  // Constructor
  rb << "    def initialize( ";
  if (cfgFileNameArg)
     rb << " config" << (parameters.isEmpty() ? " " : ", ");
  for (TTQStringList::ConstIterator it = parameters.begin();
       it != parameters.end(); ++it)
  {
     if (it != parameters.begin())
       rb << ",";
     rb << " " << *it;
  }
  rb << " )" << endl;

  rb << "        super(";
  if ( !cfgFileName.isEmpty() ) rb << " \"" << cfgFileName << "\" ";
  if ( cfgFileNameArg ) rb << " config ";
//  if ( !cfgFileName.isEmpty() ) rb << ") ";
  rb << ")" << endl;

  // Store parameters
  for (TTQStringList::ConstIterator it = parameters.begin();
       it != parameters.end(); ++it)
  {
     rb << "        @param" << *it << " = TQt::Variant.new( " << *it << " )" << endl;
  }

  TTQString group;
  for( e = entries.first(); e; e = entries.next() ) {
    if ( e->group() != group ) {
      group = e->group();
      rb << endl;
      rb << "        # " << group << endl;
    }
    if (e->param().isEmpty()) {
      rb << "        " << varName(e->name()) << " = TQt::Variant.new( " << rbType(e->type()) << " )";
    } else {
      rb << "        " << varName(e->name()) << " = [ ";
	  for (int i = 0; i < e->paramMax()+1; i++) {
		if (i > 0) {
		  rb << ", ";
		}
	  	rb << "TQt::Variant.new( " << rbType(e->type()) << " )";
	  }
	  rb << " ]";
    }
    rb << endl;
  }

  rb << endl;


  group = TTQString::null;
  for( e = entries.first(); e; e = entries.next() ) {
    if ( e->group() != group ) {
      if ( !group.isEmpty() ) rb << endl;
      group = e->group();
      rb << "        setCurrentGroup( " << paramString(group, parameters) << " )" << endl << endl;
    }

    TTQString key = paramString(e->key(), parameters);
    if ( !e->code().isEmpty())
    {
      rb << e->code() << endl;
    }
    if ( e->type() == "Enum" ) {
      rb << "        values"
          << e->name() << " = []" << endl;
      TTQValueList<CfgEntry::Choice> choices = e->choices();
      TTQValueList<CfgEntry::Choice>::ConstIterator it;
      for( it = choices.begin(); it != choices.end(); ++it ) {
        rb << "        choice = ItemEnum::Choice.new" << endl;
        rb << "        choice.name = \"" << enumValue((*it).name) << "\" " << endl;
        if ( setUserTexts ) {
          if ( !(*it).label.isEmpty() )
            rb << "        choice.label = i18n(" << quoteString((*it).label) << ")" << endl;
          if ( !(*it).whatsThis.isEmpty() )
            rb << "        choice.whatsThis = i18n(" << quoteString((*it).whatsThis) << ")" << endl;
        }
        rb << "        values" << e->name() << " << choice" << endl;
      }
    }
	
    if (e->param().isEmpty())
    {
      // Normal case
      rb << "        " << itemVar(e) << " = "
          << newItem( e->type(), e->name(), key, e->defaultValue() ) << endl;
      
	  rb << "        " << itemVar(e) << ".property = " << varName(e->name()) << endl;
      
      if ( !e->minValue().isEmpty() )
        rb << "        " << itemVar(e) << ".setMinValue(" << e->minValue() << ")" << endl;
      if ( !e->maxValue().isEmpty() )
        rb << "        " << itemVar(e) << ".setMaxValue(" << e->maxValue() << ")" << endl;

      if ( setUserTexts )
        rb << userTextsFunctions( e );
      
	  rb << "        addItem( " << itemVar(e);
      TTQString quotedName = e->name();
      addQuotes( quotedName );
      if ( quotedName != key ) rb << ", \"" << e->name() << "\"";
      rb << " )" << endl;
    }
    else
    {
      // Indexed
      rb << "        " << itemVar(e) << " = Array.new(" << e->paramMax()+1 << ")" << endl;
      for(int i = 0; i <= e->paramMax(); i++)
      {
        TTQString defaultStr;
        TTQString itemVarStr(itemVar(e)+TTQString("[%1]").arg(i));
        
        if ( !e->paramDefaultValue(i).isEmpty() )
          defaultStr = e->paramDefaultValue(i);
        else if ( !e->defaultValue().isEmpty() )
          defaultStr = paramString(e->defaultValue(), e, i);
        else
          defaultStr = defaultValue( e->type() );
        
		rb << "        " << itemVarStr << " = "
            << newItem( e->type(), e->name(), paramString(key, e, i), defaultStr, TTQString("[%1]").arg(i) )
            << endl;
			
	    rb << "        " << itemVarStr << ".property = " << varName(e->name())+TTQString("[%1]").arg(i) << endl;

        if ( setUserTexts )
          rb << userTextsFunctions( e, itemVarStr, e->paramName() );

        // Make mutators for enum parameters work by adding them with $(..) replaced by the 
        // param name. The check for isImmutable in the set* functions doesn't have the param 
        // name available, just the corresponding enum value (int), so we need to store the 
        // param names in a separate static list!.
        rb << "        addItem( " << itemVarStr << ", \"";
        if ( e->paramType()=="Enum" )
          rb << e->paramName().replace( "$("+e->param()+")", "%1").arg(e->paramValues()[i] );
        else
          rb << e->paramName().replace( "$("+e->param()+")", "%1").arg(i);
        rb << "\" )" << endl;

      }
    }
  }

  rb << "    end" << endl << endl;

  rb << "end" << endl << endl;
  
  if ( !nameSpace.isEmpty() ) rb << "end" << endl << endl;

  implementation.close();
}