File indexing completed on 2024-04-14 04:00:24

 //
 // C++ Implementation: stringsplugin
 //
 // Description: Strings plugin.
 //
 /*
 Copyright 2007-2011 Tomas Mecir <kmuddy@kmuddy.com>
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License as
 published by the Free Software Foundation; either version 2 of 
 the License, or (at your option) any later version.
 
 This program 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 General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "stringsplugin.h"
 
 #include "cmacromanager.h"
 
 #include <kpluginfactory.h>
 #include <kpluginloader.h>
 
 K_PLUGIN_CLASS_WITH_JSON(cStringsPlugin, "stringsplugin.json")
 
     
 // all function implementations start here:
 
 class cFunctionLower: public cFunction {
   public:
     cFunctionLower () : cFunction ("lower") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       QString ret = (*it).asString().toLower();
       return cValue (ret);
     }
 };
 
 class cFunctionUpper: public cFunction {
   public:
     cFunctionUpper () : cFunction ("upper") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       QString ret = (*it).asString().toUpper();
       return cValue (ret);
     }
 };
 
 class cFunctionCaps: public cFunction {
   public:
     cFunctionCaps () : cFunction ("caps") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       QString ret = (*it).asString().toLower();
       bool wasws = true;
       for (int i = 0; i < ret.length(); ++i)
         if (!ret[i].isLetterOrNumber())
           wasws = true;
         else
           if (wasws) {
             ret[i] = ret[i].toUpper();
             wasws = false;
           }
       return cValue (ret);
     }
 };
 
 class cFunctionLeft: public cFunction {
   public:
     cFunctionLeft () : cFunction ("left") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       QString ret = (*it).asString();
       if (params.size() < 2) return ret;
       ++it;
       int chars = (*it).asInteger();
       ret = ret.left (chars);
       return cValue (ret);
     }
 };
 
 class cFunctionRight: public cFunction {
   public:
     cFunctionRight () : cFunction ("right") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       QString ret = (*it).asString();
       if (params.size() < 2) return ret;
       ++it;
       int chars = (*it).asInteger();
       ret = ret.right (chars);
       return cValue (ret);
     }
 };
 
 class cFunctionMid: public cFunction {
   public:
     cFunctionMid () : cFunction ("mid") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       QString ret = (*it).asString();
       if (params.size() < 2) return ret;
       ++it;
       int chars = (*it).asInteger();
       if (params.size() >= 3) {
         ++it;
         int len = (*it).asInteger();
         ret = ret.mid (chars, len);
       } else
         ret = ret.mid (chars);
       return cValue (ret);
     }
 };
 
 class cFunctionStrlen: public cFunction {
   public:
     cFunctionStrlen () : cFunction ("strlen") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       int ret = (*it).asString().length();
       return cValue (ret);
     }
 };
 
 class cFunctionTrim: public cFunction {
   public:
     cFunctionTrim () : cFunction ("trim") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       QString ret = (*it).asString().trimmed();
       return cValue (ret);
     }
 };
 
 class cFunctionStrpos: public cFunction {
   public:
     cFunctionStrpos () : cFunction ("strpos") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 2) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       QString haystack = (*it).asString();
       ++it;
       QString needle = (*it).asString();
       return cValue (haystack.indexOf (needle));
     }
 };
 
 class cFunctionStrfill: public cFunction {
   public:
     cFunctionStrfill () : cFunction ("strfill") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       QString ret = (*it).asString();
       if (params.size() < 3) return ret;
       ++it;
       QChar character = (*it).asString()[0];
       ++it;
       int len = (*it).asInteger();
       
       if (len <= ret.length())
         return cValue (ret);
       
       QString filler;
       filler.fill (character, len - ret.length());
       return cValue (ret + filler);
     }
 };
 
 class cFunctionStrleftfill: public cFunction {
   public:
     cFunctionStrleftfill () : cFunction ("strleftfill") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       // same as strfill, except for the last line
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       QString ret = (*it).asString();
       if (params.size() < 3) return ret;
       ++it;
       QChar character = (*it).asString()[0];
       ++it;
       int len = (*it).asInteger();
       
       if (len <= ret.length())
         return cValue (ret);
       
       QString filler;
       filler.fill (character, len - ret.length());
       return cValue (filler + ret);
     }
 };
 
 class cFunctionStrcat: public cFunction {
   public:
     cFunctionStrcat () : cFunction ("strcat") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it;
       QString ret;
       for (it = params.begin(); it != params.end(); ++it)
         ret += (*it).asString();
       return cValue (ret);
     }
 };
 
 class cFunctionJoin: public cFunction {
   public:
     cFunctionJoin () : cFunction ("join") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       cValue list = *it;
       QString sep = "|";
       if (params.size() >= 2)
       {
         ++it;
         sep = (*it).asString();
       }
       return list.listJoin (sep);
     }
 };
 
 class cFunctionExplode: public cFunction {
   public:
     cFunctionExplode () : cFunction ("explode") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 1) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       cValue str = *it;
       QString sep = "|";
       if (params.size() >= 2)
       {
         ++it;
         sep = (*it).asString();
       }
       return str.toList (sep);
     }
 };
 
 class cFunctionReplace: public cFunction {
   public:
     cFunctionReplace () : cFunction ("replace") {}
     cValue eval (std::list<cValue> &params, int, cCmdQueue *) override {
       if (params.size() < 3) return cValue::empty();
       std::list<cValue>::iterator it = params.begin();
       QString str = (*it).asString();
       ++it;
       QString from = (*it).asString();
       ++it;
       QString to = (*it).asString();
       str.replace (from, to);
       return cValue (str);
     }
 };
 
 
 // the main plug-in code which registers the functions:
 
 struct cStringsPluginPrivate {
   cFunctionLower *flower;
   cFunctionUpper *fupper;
   cFunctionCaps *fcaps;
   cFunctionLeft *fleft;
   cFunctionRight *fright;
   cFunctionMid *fmid;
   cFunctionStrlen *fstrlen;
   cFunctionTrim *ftrim;
   cFunctionStrpos *fstrpos;
   cFunctionStrfill *fstrfill;
   cFunctionStrleftfill *fstrleftfill;
   cFunctionStrcat *fstrcat;
   cFunctionJoin *fjoin;
   cFunctionExplode *fexplode;
   cFunctionReplace *freplace;
 };
 
 cStringsPlugin::cStringsPlugin (QObject *, const QVariantList &)
 {
   d = new cStringsPluginPrivate;
   registerFunctions ();
 }
 
 cStringsPlugin::~cStringsPlugin()
 {
   unregisterFunctions ();
   delete d;
 }
 
 void cStringsPlugin::registerFunctions ()
 {
   d->flower = new cFunctionLower;
   d->fupper = new cFunctionUpper;
   d->fcaps = new cFunctionCaps;
   d->fleft = new cFunctionLeft;
   d->fright = new cFunctionRight;
   d->fmid = new cFunctionMid;
   d->fstrlen = new cFunctionStrlen;
   d->ftrim = new cFunctionTrim;
   d->fstrpos = new cFunctionStrpos;
   d->fstrfill = new cFunctionStrfill;
   d->fstrleftfill = new cFunctionStrleftfill;
   d->fstrcat = new cFunctionStrcat;
   d->fjoin = new cFunctionJoin;
   d->fexplode = new cFunctionExplode;
   d->freplace = new cFunctionReplace;
 }
 
 void cStringsPlugin::unregisterFunctions ()
 {
   delete d->flower;
   delete d->fupper;
   delete d->fcaps;
   delete d->fleft;
   delete d->fright;
   delete d->fmid;
   delete d->fstrlen;
   delete d->ftrim;
   delete d->fstrpos;
   delete d->fstrfill;
   delete d->fstrleftfill;
   delete d->fstrcat;
   delete d->fjoin;
   delete d->fexplode;
   delete d->freplace;
 }
 
 
 #include "stringsplugin.moc"