Engine: Allow to use up to 9 placeholders in Format and FormatA
(* * Hedgewars, a free turn based strategy game * Copyright (c) 2004-2015 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *){$INCLUDE "options.inc"}unit uLocale;interfaceuses uTypes;const MAX_EVENT_STRINGS = 255;const MAX_FORMAT_STRING_SYMBOLS = 9;procedure LoadLocale(FileName: shortstring);function Format(fmt: shortstring; args: array of shortstring): shortstring;function FormatA(fmt: ansistring; args: array of ansistring): ansistring;function Format(fmt: shortstring; arg: shortstring): shortstring;function FormatA(fmt: ansistring; arg: ansistring): ansistring;function GetEventString(e: TEventId): ansistring;{$IFDEF HWLIBRARY}procedure LoadLocaleWrapper(path: pchar; userpath: pchar; filename: pchar); cdecl; export;{$ENDIF}implementationuses uRandom, uUtils, uVariables, uDebug, uPhysFSLayer;var trevt: array[TEventId] of array [0..Pred(MAX_EVENT_STRINGS)] of ansistring; trevt_n: array[TEventId] of integer;procedure LoadLocale(FileName: shortstring);var s: ansistring; f: pfsFile; a, b, c: LongInt; first: array[TEventId] of boolean; e: TEventId;beginfor e:= Low(TEventId) to High(TEventId) do first[e]:= true;f:= pfsOpenRead(FileName);checkFails(f <> nil, 'Cannot load locale "' + FileName + '"', false);s:= '';if f <> nil then begin while not pfsEof(f) do begin pfsReadLnA(f, s); if Length(s) = 0 then continue; if (s[1] < '0') or (s[1] > '9') then continue; checkFails(Length(s) > 6, 'Load locale: empty string', true); {$IFNDEF PAS2C} val(s[1]+s[2], a, c); checkFails(c = 0, ansistring('Load locale: numbers should be two-digit: ') + s, true); val(s[4]+s[5], b, c); checkFails(c = 0, ansistring('Load locale: numbers should be two-digit: ') + s, true); {$ELSE} val(s[1]+s[2], a); val(s[4]+s[5], b); {$ENDIF} checkFails(s[3] = ':', 'Load locale: ":" expected', true); checkFails(s[6] = '=', 'Load locale: "=" expected', true); if not allOK then exit; 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 checkFails(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; pfsClose(f); end;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 itend;// Format the string fmt.// Take a shortstring with placeholders %1, %2, %3, etc. and replace// them with the corresponding elements of an array with up to// MAX_FORMAT_STRING_SYMBOLS. Important! Each placeholder can only be// used exactly once and numbers MUST NOT be skipped (e.g. using %1 and %3// but not %2.function Format(fmt: shortstring; args: array of shortstring): shortstring;var i, p: LongInt;tempstr: shortstring;begintempstr:= fmt;for i:=0 to MAX_FORMAT_STRING_SYMBOLS - 1 do begin p:= Pos('%'+IntToStr(i), tempstr); if (p = 0) or (i >= Length(args)) then break else begin delete(tempstr, p, 2); insert(args[i], tempstr, p); end; end;Format:= tempstr;end;// Same as Format, but for ansistringfunction FormatA(fmt: ansistring; args: array of ansistring): ansistring;var i, p: LongInt;tempstr: ansistring;begintempstr:= fmt;for i:=0 to MAX_FORMAT_STRING_SYMBOLS - 1 do begin p:= Pos('%'+IntToStr(i+1), tempstr); if (p = 0) or (i >= Length(args)) then break else begin delete(tempstr, p, 2); insert(args[i], tempstr, p); end; end;FormatA:= tempstr;end;// Same as Format above, but with only one placeholder %1, replaced by arg.function Format(fmt: shortstring; arg: shortstring): shortstring;begin Format:= Format(fmt, [arg]);end;// Same as above, but for ansistringfunction FormatA(fmt: ansistring; arg: ansistring): ansistring;begin FormatA:= FormatA(fmt, [arg]);end;{$IFDEF HWLIBRARY}procedure LoadLocaleWrapper(path: pchar; userpath: pchar; filename: pchar); cdecl; export;begin PathPrefix := Strpas(path); UserPathPrefix := Strpas(userpath); //normally this var set in preInit of engine allOK := true; uVariables.initModule; PathPrefix:= PathPrefix + #0; UserPathPrefix:= UserPathPrefix + #0; uPhysFSLayer.initModule(@PathPrefix[1], @UserPathPrefix[1]); PathPrefix:= copy(PathPrefix, 1, length(PathPrefix) - 1); UserPathPrefix:= copy(UserPathPrefix, 1, length(UserPathPrefix) - 1); LoadLocale(Strpas(filename)); uPhysFSLayer.freeModule; uVariables.freeModule;end;{$ENDIF}end.