lib/overlib/overlib_setonoff.js

   1 //\/////
   2 //\  overLIB Set On/Off Plugin
   3 //\  This file requires overLIB 4.10 or later.
   4 //\
   5 //\  overLIB 4.10 - You may not remove or change this notice.
   6 //\  Copyright Erik Bosrup 1998-2003. All rights reserved.
   7 //\  Contributors are listed on the homepage.
   8 //\  See http://www.bosrup.com/web/overlib/ for details.
   9 //   $Revision$                $Date$
  10 //
  11 //\/////
  12 //\mini
  13 ////////
  14 // PRE-INIT
  15 // Ignore these lines, configuration is below.
  16 ////////
  17 if (typeof olInfo == 'undefined' || typeof olInfo.meets == 'undefined' || !olInfo.meets(4.10)) alert('overLIB 4.10 or later is required for the Set On/Off Plugin.');
  18 else {
  19 registerCommands('seton, setoff');
  20 var olSetType;
  21 // END OF CONFIGURATION
  22 // Don't change anything below this line, all configuration is above.
  23 ////////
  24 // PLUGIN FUNCTIONS
  25 ////////
  26 // Set runtime variables
  27 function setOnOffVariables() {
  28         olSetType = 0;
  29 }
  30 // Parses Set On/Off Parameters
  31 function parseOnOffExtras(pf, i, ar) {
  32         var k = i, v;
  33
  34         if (k < ar.length) {
  35                 if (ar[k] == SETON||ar[k] == SETOFF) { olSetType = 1; k = opt_MULTICOMMANDS(++k, ar); return k; }
  36         }
  37
  38         return -1;
  39 }
  40 ///////
  41 //  HELPER FUNCTIONS
  42 ///////
  43 // searches arg list for COMMAND;
  44 function hasCommand(istrt, args, COMMAND) {
  45         for (var i = istrt; i < args.length; i++) {
  46                 if (typeof args[i] == 'number' &&  args[i] == COMMAND) return i;
  47         }
  48
  49         return -1;
  50 }
  51 // scans for toggle like commands to be forced ON/OFF
  52 function scanCommandSet(pf, args) {
  53         var k = -1, j, je;
  54
  55         if (olSetType) {
  56                 // search for SETON command
  57                 while ((k = hasCommand(++k, args, SETON)) < args.length && k > -1) {
  58                         je = opt_MULTICOMMANDS(k + 1, args);
  59                         for (j = k + 1; j <  (k + je); j++) setNoParamCommand(1, pf, args[j]);
  60                         k += (je - 1);
  61                 }
  62                 // search for SETOFF command
  63                 k = -1;
  64                 while ((k = hasCommand(++k, args, SETOFF)) < args.length && k > -1) {
  65                         je = opt_MULTICOMMANDS(k + 1, args);
  66                         for (j = k + 1; j <  (k + je); j++) setNoParamCommand(0, pf, args[j]);
  67                         k += (je - 1);
  68                 }
  69         }
  70
  71         return true;
  72 }
  73 var olRe;
  74 // set command according to whichType (0 or 1)
  75 function setNoParamCommand(whichType, pf, COMMAND) {
  76         var v = pms[COMMAND - 1 - pmStart];
  77
  78         if(pmt && !olRe) olRe = eval('/' + pmt.split(',').join('|') + '/');
  79         if (pf != 'ol_' &&  /capturefirst/.test(v)) return;  // no o3_capturefirst variable
  80         if (pf != 'ol_' &&  /wrap/.test(v) &&  eval(pf + 'wrap') &&  (whichType == 0)) {
  81                 nbspCleanup();   // undo wrap effects since checked after all parsing
  82                 o3_width = ol_width;
  83         }
  84
  85         if (olRe.test(v))       eval(pf + v + '=' + ((whichType && COMMAND == AUTOSTATUSCAP) ? whichType++ : whichType));
  86 }
  87 function opt_MULTICOMMANDS(i, ar) {
  88         var k = i;
  89
  90         while (k < ar.length &&  typeof ar[k] == 'number' &&  ar[k] > pmStart) {k++; if (ar[k - 1] == 'SETON'||ar[k - 1] == 'SETOFF') break;}
  91         k -= (k < ar.length ? 2 : 1);
  92
  93         return k;
  94 }
  95 ////////
  96 // PLUGIN REGISTRATIONS
  97 ////////
  98 registerRunTimeFunction(setOnOffVariables);
  99 registerCmdLineFunction(parseOnOffExtras);
 100 registerPostParseFunction(scanCommandSet);
 101 }