hedgewars/uLocale.pas
author Periklis Ntanasis <pntanasis@gmail.com>
Fri, 06 Sep 2013 07:03:12 +0300
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2013 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 *)
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{$INCLUDE "options.inc"}
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unit uLocale;
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interface
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uses uTypes;
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const MAX_EVENT_STRINGS = 100;
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procedure LoadLocale(FileName: shortstring);
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function  Format(fmt: shortstring; var arg: shortstring): shortstring;
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function  FormatA(fmt: ansistring; var arg: ansistring): ansistring;
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function  GetEventString(e: TEventId): ansistring;
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{$IFDEF HWLIBRARY}
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procedure LoadLocaleWrapper(str: pchar); cdecl; export;
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{$ENDIF}
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implementation
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uses uRandom, uUtils, uVariables, uDebug, uPhysFSLayer;
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var trevt: array[TEventId] of array [0..Pred(MAX_EVENT_STRINGS)] of ansistring;
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    trevt_n: array[TEventId] of integer;
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procedure LoadLocale(FileName: shortstring);
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var s: ansistring = '';
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    f: pfsFile;
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    a, b, c: LongInt;
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    first: array[TEventId] of boolean;
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    e: TEventId;
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begin
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for e:= Low(TEventId) to High(TEventId) do
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    first[e]:= true;
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f:= pfsOpenRead(FileName);
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TryDo(f <> nil, 'Cannot load locale "' + FileName + '"', false);
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if f <> nil then
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    begin
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    while not pfsEof(f) do
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        begin
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        pfsReadLnA(f, s);
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        if Length(s) = 0 then
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            continue;
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        if (s[1] < '0') or (s[1] > '9') then
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            continue;
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        TryDo(Length(s) > 6, 'Load locale: empty string', true);
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        val(s[1]+s[2], a, c);
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        TryDo(c = 0, 'Load locale: numbers should be two-digit: ' + s, true);
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        TryDo(s[3] = ':', 'Load locale: ":" expected', true);
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        val(s[4]+s[5], b, c);
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        TryDo(c = 0, 'Load locale: numbers should be two-digit' + s, true);
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        TryDo(s[6] = '=', 'Load locale: "=" expected', true);
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        Delete(s, 1, 6);
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        case a of
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            0: if (b >=0) and (b <= ord(High(TAmmoStrId))) then
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                trammo[TAmmoStrId(b)]:= s;
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            1: if (b >=0) and (b <= ord(High(TMsgStrId))) then
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                trmsg[TMsgStrId(b)]:= s;
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            2: if (b >=0) and (b <= ord(High(TEventId))) then
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                begin
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                TryDo(trevt_n[TEventId(b)] < MAX_EVENT_STRINGS, 'Too many event strings in ' + IntToStr(a) + ':' + IntToStr(b), false);
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                if first[TEventId(b)] then
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                    begin
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                    trevt_n[TEventId(b)]:= 0;
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                    first[TEventId(b)]:= false;
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                    end;
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                trevt[TEventId(b)][trevt_n[TEventId(b)]]:= s;
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                inc(trevt_n[TEventId(b)]);
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                end;
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            3: if (b >=0) and (b <= ord(High(TAmmoStrId))) then
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                trammoc[TAmmoStrId(b)]:= s;
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            4: if (b >=0) and (b <= ord(High(TAmmoStrId))) then
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                trammod[TAmmoStrId(b)]:= s;
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            5: if (b >=0) and (b <= ord(High(TGoalStrId))) then
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                trgoal[TGoalStrId(b)]:= s;
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           end;
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       end;
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   pfsClose(f);
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   end;
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end;
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function GetEventString(e: TEventId): ansistring;
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begin
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    if trevt_n[e] = 0 then // no messages for this event type?
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        GetEventString:= '*missing translation*'
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    else
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        GetEventString:= trevt[e][GetRandom(trevt_n[e])]; // Pick a random message and return it
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end;
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function Format(fmt: shortstring; var arg: shortstring): shortstring;
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var i: LongInt;
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begin
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i:= Pos('%1', fmt);
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if i = 0 then
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    Format:= fmt
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else
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    Format:= copy(fmt, 1, i - 1) + arg + Format(copy(fmt, i + 2, Length(fmt) - i - 1), arg)
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end;
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function FormatA(fmt: ansistring; var arg: ansistring): ansistring;
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var i: LongInt;
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begin
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i:= Pos('%1', fmt);
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if i = 0 then
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    FormatA:= fmt
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else
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    FormatA:= copy(fmt, 1, i - 1) + arg + FormatA(copy(fmt, i + 2, Length(fmt) - i - 1), arg)
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end;
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{$IFDEF HWLIBRARY}
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procedure LoadLocaleWrapper(str: pchar); cdecl; export;
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begin
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    LoadLocale(Strpas(str));
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end;
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{$ENDIF}
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end.