(*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2011 Andrey Korotaev <unC0Rr@gmail.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; version 2 of the License

 *

 * 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, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

 *)

{$INCLUDE "options.inc"}

unit uLocale;

interface

uses uTypes;

const MAX_EVENT_STRINGS = 100;

procedure LoadLocale(FileName: shortstring);

function  Format(fmt: shortstring; var arg: shortstring): shortstring;

function  Format(fmt: ansistring; var arg: ansistring): ansistring;

function  GetEventString(e: TEventId): ansistring;

implementation

uses uRandom, uUtils, uVariables, uDebug;

var trevt: array[TEventId] of array [0..Pred(MAX_EVENT_STRINGS)] of ansistring;

    trevt_n: array[TEventId] of integer;

procedure LoadLocale(FileName: shortstring);

var s: ansistring;

    f: textfile;

    a, b, c: LongInt;

    first: array[TEventId] of boolean;

    e: TEventId;

    loaded: boolean;

begin

loaded:= false;

for e:= Low(TEventId) to High(TEventId) do first[e]:= true;

{$I-} // iochecks off

Assign(f, FileName);

filemode:= 0; // readonly

Reset(f);

if IOResult = 0 then loaded:= true;

TryDo(loaded, 'Cannot load locale "' + FileName + '"', false);

if loaded then

   begin

   while not eof(f) do

       begin

       readln(f, s);

       if Length(s) = 0 then continue;

       if (s[1] < '0') or (s[1] > '9') then continue;

       TryDo(Length(s) > 6, 'Load locale: empty string', true);

       val(s[1]+s[2], a, c);

       TryDo(c = 0, 'Load locale: numbers should be two-digit: ' + s, true);

       TryDo(s[3] = ':', 'Load locale: ":" expected', true);

       val(s[4]+s[5], b, c);

       TryDo(c = 0, 'Load locale: numbers should be two-digit' + s, true);

       TryDo(s[6] = '=', 'Load locale: "=" expected', true);

       Delete(s, 1, 6);

       case a of

           0: if (b >=0) and (b <= ord(High(TAmmoStrId))) then trammo[TAmmoStrId(b)]:= s;

           1: if (b >=0) and (b <= ord(High(TMsgStrId))) then trmsg[TMsgStrId(b)]:= s;

           2: if (b >=0) and (b <= ord(High(TEventId))) then begin

               TryDo(trevt_n[TEventId(b)] < MAX_EVENT_STRINGS, 'Too many event strings in ' + IntToStr(a) + ':' + IntToStr(b), false);

               if first[TEventId(b)] then

                   begin

                   trevt_n[TEventId(b)]:= 0;

                   first[TEventId(b)]:= false;

                   end;

               trevt[TEventId(b)][trevt_n[TEventId(b)]]:= s;

               inc(trevt_n[TEventId(b)]);

               end;

           3: if (b >=0) and (b <= ord(High(TAmmoStrId))) then trammoc[TAmmoStrId(b)]:= s;

           4: if (b >=0) and (b <= ord(High(TAmmoStrId))) then trammod[TAmmoStrId(b)]:= s;

           5: if (b >=0) and (b <= ord(High(TGoalStrId))) then trgoal[TGoalStrId(b)]:= s;

           end;

       end;

   Close(f)

   end;

{$I+}

end;

function GetEventString(e: TEventId): ansistring;

begin

    if trevt_n[e] = 0 then // no messages for this event type?

        GetEventString:= '*missing translation*'

    else

        GetEventString:= trevt[e][GetRandom(trevt_n[e])]; // Pick a random message and return it

end;

function Format(fmt: shortstring; var arg: shortstring): shortstring;

var i: LongInt;

begin

i:= Pos('%1', fmt);

if i = 0 then Format:= fmt

         else Format:= copy(fmt, 1, i - 1) + arg + Format(copy(fmt, i + 2, Length(fmt) - i - 1), arg)

end;

function Format(fmt: ansistring; var arg: ansistring): ansistring;

var i: LongInt;

begin

i:= Pos('%1', fmt);

if i = 0 then Format:= fmt

         else Format:= copy(fmt, 1, i - 1) + arg + Format(copy(fmt, i + 2, Length(fmt) - i - 1), arg)

end;

procedure LoadLocaleWrapper(str: pchar); cdecl; export;

begin

    LoadLocale(Strpas(str));

end;

end.