hedgewars/uLocale.pas
author unc0rr
Thu, 08 Mar 2018 23:28:58 +0100
changeset 13137 52178e8ffdfc
parent 13048 9119726e22bc
child 13162 c5453cbdeb87
permissions -rw-r--r--
Fix new binds system for real
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2015 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *)
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{$INCLUDE "options.inc"}
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unit uLocale;
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interface
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uses uTypes;
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const MAX_EVENT_STRINGS = 255;
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const MAX_FORMAT_STRING_SYMBOLS = 9;
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procedure LoadLocale(FileName: shortstring);
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function  Format(fmt: shortstring; args: array of shortstring): shortstring;
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function  FormatA(fmt: ansistring; args: array of ansistring): ansistring;
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function  Format(fmt: shortstring; arg: shortstring): shortstring;
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function  FormatA(fmt: ansistring; arg: ansistring): ansistring;
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function  GetEventString(e: TEventId): ansistring;
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{$IFDEF HWLIBRARY}
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procedure LoadLocaleWrapper(path: pchar; userpath: pchar; filename: 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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checkFails(f <> nil, 'Cannot load locale "' + FileName + '"', false);
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s:= '';
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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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        checkFails(Length(s) > 6, 'Load locale: empty string', true);
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        {$IFNDEF PAS2C}
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        val(s[1]+s[2], a, c);
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        checkFails(c = 0, ansistring('Load locale: numbers should be two-digit: ') + s, true);
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        val(s[4]+s[5], b, c);
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        checkFails(c = 0, ansistring('Load locale: numbers should be two-digit: ') + s, true);
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        {$ELSE}
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        val(s[1]+s[2], a);
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        val(s[4]+s[5], b);
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        {$ENDIF}
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        checkFails(s[3] = ':', 'Load locale: ":" expected', true);
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        checkFails(s[6] = '=', 'Load locale: "=" expected', true);
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        if not allOK then exit;
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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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                checkFails(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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// Format the string fmt.
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// Take a shortstring with placeholders %1, %2, %3, etc. and replace
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// them with the corresponding elements of an array with up to
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// MAX_FORMAT_STRING_SYMBOLS. Important! Each placeholder can only be
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// used exactly once and numbers MUST NOT be skipped (e.g. using %1 and %3
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// but not %2.
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function Format(fmt: shortstring; args: array of shortstring): shortstring;
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var i, p: LongInt;
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tempstr: shortstring;
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begin
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tempstr:= fmt;
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for i:=0 to MAX_FORMAT_STRING_SYMBOLS - 1 do
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    begin
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        p:= Pos('%'+IntToStr(i), tempstr);
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        if (p = 0) or (i >= Length(args)) then
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            break
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        else
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            begin
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            delete(tempstr, p, 2);
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            insert(args[i], tempstr, p);
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            end;
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    end;
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Format:= tempstr;
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end;
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// Same as Format, but for ansistring
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function FormatA(fmt: ansistring; args: array of ansistring): ansistring;
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var i, p: LongInt;
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tempstr: ansistring;
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begin
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tempstr:= fmt;
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for i:=0 to MAX_FORMAT_STRING_SYMBOLS - 1 do
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    begin
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        p:= Pos('%'+IntToStr(i+1), tempstr);
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        if (p = 0) or (i >= Length(args)) then
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            break
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        else
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            begin
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            delete(tempstr, p, 2);
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            insert(args[i], tempstr, p);
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            end;
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    end;
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FormatA:= tempstr;
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end;
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// Same as Format above, but with only one placeholder %1, replaced by arg.
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function Format(fmt: shortstring; arg: shortstring): shortstring;
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begin
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    Format:= Format(fmt, [arg]);
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end;
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// Same as above, but for ansistring
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function FormatA(fmt: ansistring; arg: ansistring): ansistring;
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begin
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    FormatA:= FormatA(fmt, [arg]);
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end;
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{$IFDEF HWLIBRARY}
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procedure LoadLocaleWrapper(path: pchar; userpath: pchar; filename: pchar); cdecl; export;
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begin
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    PathPrefix := Strpas(path);
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    UserPathPrefix := Strpas(userpath);
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    //normally this var set in preInit of engine
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    allOK := true;
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    uVariables.initModule;
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    PathPrefix:= PathPrefix + #0;
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    UserPathPrefix:= UserPathPrefix + #0;
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    uPhysFSLayer.initModule(@PathPrefix[1], @UserPathPrefix[1]);
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    PathPrefix:= copy(PathPrefix, 1, length(PathPrefix) - 1);
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    UserPathPrefix:= copy(UserPathPrefix, 1, length(UserPathPrefix) - 1);
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    LoadLocale(Strpas(filename));
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    uPhysFSLayer.freeModule;
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    uVariables.freeModule;
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end;
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{$ENDIF}
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end.