/*
-----------------------------------------------------------------------------
This source file is part of OpenSpace3D
For the latest info, see http://www.openspace3d.com

Copyright (c) 2012 I-maginer

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt

-----------------------------------------------------------------------------
*/

fun deleteOb(inst)=
  0;;


fun cbInChar(inst, from, action, param, reply, p)=
  let p -> [sep occurence order] in
  let strfind2List param sep 0 -> lpos in
  let sizelist lpos -> size in
  let "" -> start in
  let "" -> end in
  (
    if (lpos == nil || size < occurence) then
      set start = param
    else
    let nth_list lpos (if order == 0 then (occurence - 1) else (size - occurence)) -> pos in
    let pos + (max 1 (strlen sep)) -> sepend in
    (
      set start = substr param 0 pos;
      set end = substr param sepend ((strlen param) - sepend);
    );
    SendPluginEvent inst "Start" start nil;
    SendPluginEvent inst "End" end nil;
  );
  0;;
  
  
fun cbInNb(inst, from, action, param, reply, p)=
  let p -> [number order] in
  let strlen param -> len in
  let "" -> start in
  let "" -> end in
  (
    if (len <= number) then
      set start = param
    else
    let if order == 0 then number else len - number -> idx in
    (
      set start = substr param 0 idx;
      set end = substr param idx (len - idx);
    );
    SendPluginEvent inst "Start" start nil;
    SendPluginEvent inst "End" end nil;
  );
  0;;


fun newOb(inst)=
  let atoi (getPluginInstanceParam inst "mode") -> mode in
  let if (mode == nil) then 0 else mode -> mode in
  let (getPluginInstanceParam inst "sep") -> sep in
  let if (sep == nil) then ";" else sep -> sep in
  let atoi (getPluginInstanceParam inst "occurence") -> occurence in
  let if (occurence == nil) then 1 else occurence -> occurence in
  let atoi (getPluginInstanceParam inst "order") -> order in
  let if (order == nil) then 0 else order -> order in
  let atoi (getPluginInstanceParam inst "number") -> number in
  let if (number == nil) then 1 else number -> number in
  (
    if (mode == 0) then
      PluginRegisterAction inst "In" mkfun6 @cbInChar [sep occurence order]
    else
      PluginRegisterAction inst "In" mkfun6 @cbInNb [number order];
    
    setPluginInstanceCbDel inst @deleteOb;
  );
  0;;


fun IniPlug(file)=
  PlugRegister @newOb nil;
  setPluginEditor @dynamicedit;
  0;;