Dogcows Code - chaz/openbox/blob - util/epist/parser.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // parser.cc for Epistrophy - a key handler for NETWM/EWMH window managers.
   3 // Copyright (c) 2002 - 2002 Ben Jansens <ben at orodu.net>
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining a
   6 // copy of this software and associated documentation files (the "Software"),
   7 // to deal in the Software without restriction, including without limitation
   8 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 // and/or sell copies of the Software, and to permit persons to whom the
  10 // Software is furnished to do so, subject to the following conditions:
  11 //
  12 // The above copyright notice and this permission notice shall be included in
  13 // all copies or substantial portions of the Software.
  14 //
  15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21 // DEALINGS IN THE SOFTWARE.
  22
  23 extern "C" {
  24 #include <stdio.h>
  25 #include <string.h>
  26 }
  27
  28 #include "parser.hh"
  29 #include <string>
  30
  31 using std::string;
  32
  33 parser::parser(keytree *kt, Config *conf)
  34   : _kt(kt), _config(conf), _mask(0), _action(Action::noaction),
  35     _key(""), _arg("")
  36 {
  37 }
  38
  39 parser::~parser()
  40 {
  41   // nothing to see here. move along.
  42 }
  43
  44 void parser::parse(string rc_file)
  45 {
  46   extern int yyparse(void *);
  47   extern FILE *yyin;
  48
  49   yyin = fopen(rc_file.c_str(), "r");
  50
  51   yyparse(this);
  52
  53   fclose(yyin);
  54   _kt->reset();
  55   _kt->initialize();
  56 }
  57
  58 void parser::setAction(string act)
  59 {
  60   struct {
  61     const char* str;
  62     Action::ActionType act;
  63   }
  64   actions[] = {
  65     { "noaction", Action::noaction },
  66     { "execute", Action::execute },
  67     { "iconify", Action::iconify },
  68     { "raise", Action::raise },
  69     { "lower", Action::lower },
  70     { "close", Action::close },
  71     { "toggleShade", Action::toggleShade },
  72     { "toggleOmnipresent", Action::toggleOmnipresent },
  73     { "movewindowup", Action::moveWindowUp },
  74     { "movewindowdown", Action::moveWindowDown },
  75     { "movewindowleft", Action::moveWindowLeft },
  76     { "movewindowright", Action::moveWindowRight },
  77     { "resizewindowwidth", Action::resizeWindowWidth },
  78     { "resizewindowheight", Action::resizeWindowHeight },
  79     { "togglemaximizefull", Action::toggleMaximizeFull },
  80     { "togglemaximizevertical", Action::toggleMaximizeVertical },
  81     { "togglemaximizehorizontal", Action::toggleMaximizeHorizontal },
  82     { "sendtoworkspace", Action::sendToWorkspace },
  83     { "nextwindow", Action::nextWindow },
  84     { "prevwindow", Action::prevWindow },
  85     { "nextwindowonallworkspaces", Action::nextWindowOnAllWorkspaces },
  86     { "prevwindowonallworkspaces", Action::prevWindowOnAllWorkspaces },
  87     { "nextwindowonallscreens", Action::nextWindowOnAllScreens },
  88     { "prevwindowonallscreens", Action::prevWindowOnAllScreens },
  89     { "nextwindowofclass", Action::nextWindowOfClass },
  90     { "prevwindowofclass", Action::prevWindowOfClass },
  91     { "nextwindowofclassonallworkspaces", Action::nextWindowOfClassOnAllWorkspaces },
  92     { "prevwindowofclassonallworkspaces", Action::prevWindowOfClassOnAllWorkspaces },
  93     { "changeworkspace", Action::changeWorkspace },
  94     { "nextworkspace", Action::nextWorkspace },
  95     { "prevworkspace", Action::prevWorkspace },
  96     { "nextworkspacerow", Action::upWorkspace },
  97     { "prevworkspacerow", Action::downWorkspace },
  98     { "prevworkspacecolumn", Action::leftWorkspace },
  99     { "nextworkspacecolumn", Action::rightWorkspace },
 100     { "nextscreen", Action::nextScreen },
 101     { "prevscreen", Action::prevScreen },
 102     { "showrootmenu", Action::showRootMenu },
 103     { "showworkspacemenu", Action::showWorkspaceMenu },
 104     { "toggledecorations", Action::toggleDecorations },
 105     { "togglegrabs", Action::toggleGrabs },
 106     { "stringchain", Action::stringChain },
 107     { "keychain", Action::keyChain },
 108     { "numberchain", Action::numberChain },
 109     { "cancelchain", Action::cancelChain },
 110     { "", Action::noaction }
 111   };
 112
 113   bool found = false;
 114
 115   for (int i = 0; actions[i].str != ""; ++i) {
 116     if ( strcasecmp(actions[i].str, act.c_str()) == 0 ) {
 117       _action = actions[i].act;
 118       found = true;
 119     }
 120   }
 121
 122   if (!found)
 123     _action = Action::noaction;
 124 }
 125
 126 void parser::addModifier(string mod)
 127 {
 128   struct {
 129     string str;
 130     unsigned int mask;
 131   }
 132   modifiers[] = {
 133     { "Mod1", Mod1Mask },
 134     { "Mod2", Mod2Mask },
 135     { "Mod3", Mod3Mask },
 136     { "Mod4", Mod4Mask },
 137     { "Control", ControlMask },
 138     { "Shift", ShiftMask },
 139     { "", 0 }
 140   };
 141
 142   for (int i = 0; modifiers[i].str != ""; ++i) {
 143     if (modifiers[i].str == mod)
 144       _mask |= modifiers[i].mask;
 145   }
 146 }
 147
 148 void parser::endAction()
 149 {
 150   _kt->addAction(_action, _mask, _key, _arg);
 151   reset();
 152 }
 153
 154 void parser::startChain()
 155 {
 156   _kt->advanceOnNewNode();
 157   setChainBinding();
 158   reset();
 159 }
 160
 161 void parser::endChain()
 162 {
 163   _kt->retract();
 164   reset();
 165 }
 166
 167 void parser::setChainBinding()
 168 {
 169   if (_mask != 0 && _key != "") {
 170     _kt->setCurrentNodeProps(Action::noaction, _mask, _key, "");
 171     reset();
 172   }
 173 }
 174
 175 void parser::reset()
 176 {
 177   _mask = 0;
 178   _action = Action::noaction;
 179   _key = "";
 180   _arg = "";
 181 }