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|
/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD 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.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file strings.cpp Handling of translated strings. */
#include "stdafx.h"
#include "currency.h"
#include "station_base.h"
#include "town.h"
#include "screenshot.h"
#include "waypoint_base.h"
#include "depot_base.h"
#include "industry.h"
#include "newgrf_text.h"
#include "fileio_func.h"
#include "group.h"
#include "signs_base.h"
#include "cargotype.h"
#include "fontcache.h"
#include "gui.h"
#include "strings_func.h"
#include "rev.h"
#include "core/endian_func.hpp"
#include "date_func.h"
#include "vehicle_base.h"
#include "engine_base.h"
#include "language.h"
#include "townname_func.h"
#include "string_func.h"
#include "company_base.h"
#include "smallmap_gui.h"
#include "debug.h"
#include "table/strings.h"
#include "table/control_codes.h"
char _config_language_file[MAX_PATH]; ///< The file (name) stored in the configuration.
LanguageList _languages; ///< The actual list of language meta data.
const LanguageMetadata *_current_language = NULL; ///< The currently loaded language.
TextDirection _current_text_dir; ///< Text direction of the currently selected language.
uint64 _decode_parameters[20]; ///< Global array of string parameters. To access, use #SetDParam.
static char *StationGetSpecialString(char *buff, int x, const char *last);
static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char *last);
static char *GetSpecialNameString(char *buff, int ind, int64 *argv, const char *last);
static char *FormatString(char *buff, const char *str, int64 *argv, uint casei, const char *last);
struct LanguagePack : public LanguagePackHeader {
char data[]; // list of strings
};
static char **_langpack_offs;
static LanguagePack *_langpack;
static uint _langtab_num[32]; ///< Offset into langpack offs
static uint _langtab_start[32]; ///< Offset into langpack offs
static bool _keep_gender_data = false; ///< Should we retain the gender data in the current string?
/** Read an int64 from the argv array. */
static inline int64 GetInt64(int64 **argv)
{
assert(argv);
return *(*argv)++;
}
/** Read an int32 from the argv array. */
static inline int32 GetInt32(int64 **argv)
{
return (int32)GetInt64(argv);
}
/** Read an array from the argv array. */
static inline int64 *GetArgvPtr(int64 **argv, int n)
{
int64 *result;
assert(*argv);
result = *argv;
(*argv) += n;
return result;
}
const char *GetStringPtr(StringID string)
{
switch (GB(string, 11, 5)) {
case 28: return GetGRFStringPtr(GB(string, 0, 11));
case 29: return GetGRFStringPtr(GB(string, 0, 11) + 0x0800);
case 30: return GetGRFStringPtr(GB(string, 0, 11) + 0x1000);
default: return _langpack_offs[_langtab_start[string >> 11] + (string & 0x7FF)];
}
}
/**
* The highest 8 bits of string contain the "case index".
* These 8 bits will only be set when FormatString wants to print
* the string in a different case. No one else except FormatString
* should set those bits, therefore string CANNOT be StringID, but uint32.
* @param buffr
* @param string
* @param argv
* @param last
* @return a formatted string of char
*/
char *GetStringWithArgs(char *buffr, uint string, int64 *argv, const char *last)
{
if (GB(string, 0, 16) == 0) return GetStringWithArgs(buffr, STR_UNDEFINED, argv, last);
uint index = GB(string, 0, 11);
uint tab = GB(string, 11, 5);
switch (tab) {
case 4:
if (index >= 0xC0) {
return GetSpecialTownNameString(buffr, index - 0xC0, GetInt32(&argv), last);
}
break;
case 14:
if (index >= 0xE4) {
return GetSpecialNameString(buffr, index - 0xE4, argv, last);
}
break;
case 15:
/* Old table for custom names. This is no longer used */
error("Incorrect conversion of custom name string.");
case 26:
/* Include string within newgrf text (format code 81) */
if (HasBit(index, 10)) {
StringID string = GetGRFStringID(0, 0xD000 + GB(index, 0, 10));
return GetStringWithArgs(buffr, string, argv, last);
}
break;
case 28:
return FormatString(buffr, GetGRFStringPtr(index), argv, GB(string, 24, 8), last);
case 29:
return FormatString(buffr, GetGRFStringPtr(index + 0x0800), argv, GB(string, 24, 8), last);
case 30:
return FormatString(buffr, GetGRFStringPtr(index + 0x1000), argv, GB(string, 24, 8), last);
case 31:
NOT_REACHED();
}
if (index >= _langtab_num[tab]) {
error("String 0x%X is invalid. You are probably using an old version of the .lng file.\n", string);
}
return FormatString(buffr, GetStringPtr(GB(string, 0, 16)), argv, GB(string, 24, 8), last);
}
char *GetString(char *buffr, StringID string, const char *last)
{
return GetStringWithArgs(buffr, string, (int64*)_decode_parameters, last);
}
char *InlineString(char *buf, StringID string)
{
buf += Utf8Encode(buf, SCC_STRING_ID);
buf += Utf8Encode(buf, string);
return buf;
}
/**
* This function is used to "bind" a C string to a OpenTTD dparam slot.
* @param n slot of the string
* @param str string to bind
*/
void SetDParamStr(uint n, const char *str)
{
SetDParam(n, (uint64)(size_t)str);
}
/**
* Shift the string parameters in the global string parameter array by \a amount positions, making room at the beginning.
* @param amount Number of positions to shift.
*/
void InjectDParam(uint amount)
{
assert((uint)amount < lengthof(_decode_parameters));
memmove(_decode_parameters + amount, _decode_parameters, sizeof(_decode_parameters) - amount * sizeof(uint64));
}
static char *FormatNumber(char *buff, int64 number, const char *last, const char *separator, int zerofill_from = 19)
{
uint64 divisor = 10000000000000000000ULL;
if (number < 0) {
buff += seprintf(buff, last, "-");
number = -number;
}
uint64 num = number;
uint64 tot = 0;
for (int i = 0; i < 20; i++) {
uint64 quot = 0;
if (num >= divisor) {
quot = num / divisor;
num = num % divisor;
}
if (tot |= quot || i >= zerofill_from) {
buff += seprintf(buff, last, "%i", (int)quot);
if ((i % 3) == 1 && i != 19) buff = strecpy(buff, separator, last);
}
divisor /= 10;
}
*buff = '\0';
return buff;
}
static char *FormatCommaNumber(char *buff, int64 number, const char *last)
{
const char *separator = _settings_game.locale.digit_group_separator;
if (separator == NULL) separator = _langpack->digit_group_separator;
return FormatNumber(buff, number, last, separator);
}
static char *FormatNoCommaNumber(char *buff, int64 number, const char *last)
{
return FormatNumber(buff, number, last, "");
}
static char *FormatZerofillNumber(char *buff, int64 number, int64 count, const char *last)
{
return FormatNumber(buff, number, last, "", 20 - count);
}
static char *FormatHexNumber(char *buff, uint64 number, const char *last)
{
return buff + seprintf(buff, last, "0x" OTTD_PRINTFHEX64, number);
}
/**
* Format a given number as a number of bytes with the SI prefix.
* @param buff the buffer to write to
* @param number the number of bytes to write down
* @param last the last element in the buffer
* @return till where we wrote
*/
static char *FormatBytes(char *buff, int64 number, const char *last)
{
assert(number >= 0);
/* 1 2^10 2^20 2^30 2^40 2^50 2^60 */
const char * const iec_prefixes[] = { "", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei" };
uint id = 1;
while (number >= 1024 * 1024) {
number /= 1024;
id++;
}
const char *decimal_separator = _settings_game.locale.digit_decimal_separator;
if (decimal_separator == NULL) decimal_separator = _langpack->digit_decimal_separator;
if (number < 1024) {
id = 0;
buff += seprintf(buff, last, "%i", (int)number);
} else if (number < 1024 * 10) {
buff += seprintf(buff, last, "%i%s%02i", (int)number / 1024, decimal_separator, (int)(number % 1024) * 100 / 1024);
} else if (number < 1024 * 100) {
buff += seprintf(buff, last, "%i%s%01i", (int)number / 1024, decimal_separator, (int)(number % 1024) * 10 / 1024);
} else {
assert(number < 1024 * 1024);
buff += seprintf(buff, last, "%i", (int)number / 1024);
}
assert(id < lengthof(iec_prefixes));
buff += seprintf(buff, last, " %sB", iec_prefixes[id]);
return buff;
}
static char *FormatYmdString(char *buff, Date date, const char *last)
{
YearMonthDay ymd;
ConvertDateToYMD(date, &ymd);
int64 args[3] = { ymd.day + STR_ORDINAL_NUMBER_1ST - 1, STR_MONTH_ABBREV_JAN + ymd.month, ymd.year };
return FormatString(buff, GetStringPtr(STR_FORMAT_DATE_LONG), args, 0, last);
}
static char *FormatMonthAndYear(char *buff, Date date, const char *last)
{
YearMonthDay ymd;
ConvertDateToYMD(date, &ymd);
int64 args[2] = { STR_MONTH_JAN + ymd.month, ymd.year };
return FormatString(buff, GetStringPtr(STR_FORMAT_DATE_SHORT), args, 0, last);
}
static char *FormatTinyOrISODate(char *buff, Date date, StringID str, const char *last)
{
YearMonthDay ymd;
ConvertDateToYMD(date, &ymd);
char day[3];
char month[3];
/* We want to zero-pad the days and months */
snprintf(day, lengthof(day), "%02i", ymd.day);
snprintf(month, lengthof(month), "%02i", ymd.month + 1);
int64 args[3] = { (int64)(size_t)day, (int64)(size_t)month, ymd.year };
return FormatString(buff, GetStringPtr(str), args, 0, last);
}
static char *FormatGenericCurrency(char *buff, const CurrencySpec *spec, Money number, bool compact, const char *last)
{
/* We are going to make number absolute for printing, so
* keep this piece of data as we need it later on */
bool negative = number < 0;
const char *multiplier = "";
number *= spec->rate;
/* convert from negative */
if (number < 0) {
if (buff + Utf8CharLen(SCC_RED) > last) return buff;
buff += Utf8Encode(buff, SCC_RED);
buff = strecpy(buff, "-", last);
number = -number;
}
/* Add prefix part, folowing symbol_pos specification.
* Here, it can can be either 0 (prefix) or 2 (both prefix anf suffix).
* The only remaining value is 1 (suffix), so everything that is not 1 */
if (spec->symbol_pos != 1) buff = strecpy(buff, spec->prefix, last);
/* for huge numbers, compact the number into k or M */
if (compact) {
/* Take care of the 'k' rounding. Having 1 000 000 k
* and 1 000 M is inconsistent, so always use 1 000 M. */
if (number >= 1000000000 - 500) {
number = (number + 500000) / 1000000;
multiplier = "M";
} else if (number >= 1000000) {
number = (number + 500) / 1000;
multiplier = "k";
}
}
const char *separator = _settings_game.locale.digit_group_separator_currency;
if (separator == NULL && !StrEmpty(_currency->separator)) separator = _currency->separator;
if (separator == NULL) separator = _langpack->digit_group_separator_currency;
buff = FormatNumber(buff, number, last, separator);
buff = strecpy(buff, multiplier, last);
/* Add suffix part, folowing symbol_pos specification.
* Here, it can can be either 1 (suffix) or 2 (both prefix anf suffix).
* The only remaining value is 1 (prefix), so everything that is not 0 */
if (spec->symbol_pos != 0) buff = strecpy(buff, spec->suffix, last);
if (negative) {
if (buff + Utf8CharLen(SCC_PREVIOUS_COLOUR) > last) return buff;
buff += Utf8Encode(buff, SCC_PREVIOUS_COLOUR);
*buff = '\0';
}
return buff;
}
/**
* Determine the "plural" index given a plural form and a number.
* @param count The number to get the plural index of.
* @param plural_form The plural form we want an index for.
* @return The plural index for the given form.
*/
static int DeterminePluralForm(int64 count, int plural_form)
{
/* The absolute value determines plurality */
uint64 n = abs(count);
switch (plural_form) {
default:
NOT_REACHED();
/* Two forms, singular used for one only
* Used in:
* Danish, Dutch, English, German, Norwegian, Swedish, Estonian, Finnish,
* Greek, Hebrew, Italian, Portuguese, Spanish, Esperanto */
case 0:
return n != 1;
/* Only one form
* Used in:
* Hungarian, Japanese, Korean, Turkish */
case 1:
return 0;
/* Two forms, singular used for zero and one
* Used in:
* French, Brazilian Portuguese */
case 2:
return n > 1;
/* Three forms, special case for 0 and ending in 1, except those ending in 11
* Used in:
* Latvian */
case 3:
return n % 10 == 1 && n % 100 != 11 ? 0 : n != 0 ? 1 : 2;
/* Five forms, special case for one, two, 3 to 6 and 7 to 10
* Used in:
* Gaelige (Irish) */
case 4:
return n == 1 ? 0 : n == 2 ? 1 : n < 7 ? 2 : n < 11 ? 3 : 4;
/* Three forms, special case for numbers ending in 1[2-9]
* Used in:
* Lithuanian */
case 5:
return n % 10 == 1 && n % 100 != 11 ? 0 : n % 10 >= 2 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
/* Three forms, special cases for numbers ending in 1 and 2, 3, 4, except those ending in 1[1-4]
* Used in:
* Croatian, Russian, Ukrainian */
case 6:
return n % 10 == 1 && n % 100 != 11 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
/* Three forms, special case for one and some numbers ending in 2, 3, or 4
* Used in:
* Polish */
case 7:
return n == 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;
/* Four forms, special case for one and all numbers ending in 02, 03, or 04
* Used in:
* Slovenian */
case 8:
return n % 100 == 1 ? 0 : n % 100 == 2 ? 1 : n % 100 == 3 || n % 100 == 4 ? 2 : 3;
/* Two forms; singular used for everything ending in 1 but not in 11.
* Used in:
* Icelandic */
case 9:
return n % 10 == 1 && n % 100 != 11 ? 0 : 1;
/* Three forms, special cases for one and 2, 3, or 4
* Used in:
* Czech, Slovak */
case 10:
return n == 1 ? 0 : n >= 2 && n <= 4 ? 1 : 2;
/* Two forms, special 'hack' for Korean; singular for numbers ending
* in a consonant and plural for numbers ending in a vowel.
* Korean doesn't have the concept of plural, but depending on how a
* number is pronounced it needs another version of a particle.
* As such the plural system is misused to give this distinction.
*/
case 11:
switch (n % 10) {
case 0: // yeong
case 1: // il
case 3: // sam
case 6: // yuk
case 7: // chil
case 8: // pal
return 0;
case 2: // i
case 4: // sa
case 5: // o
case 9: // gu
return 1;
default:
NOT_REACHED();
}
/* Four forms: one, 0 and everything ending in 02..10, everything ending in 11..19.
* Used in:
* Maltese */
case 12:
return (n == 1 ? 0 : n == 0 || (n % 100 > 1 && n % 100 < 11) ? 1 : (n % 100 > 10 && n % 100 < 20) ? 2 : 3);
}
}
static const char *ParseStringChoice(const char *b, uint form, char **dst, const char *last)
{
/* <NUM> {Length of each string} {each string} */
uint n = (byte)*b++;
uint pos, i, mypos = 0;
for (i = pos = 0; i != n; i++) {
uint len = (byte)*b++;
if (i == form) mypos = pos;
pos += len;
}
*dst += seprintf(*dst, last, "%s", b + mypos);
return b + pos;
}
struct Units {
int s_m; ///< Multiplier for velocity
int s_s; ///< Shift for velocity
StringID velocity; ///< String for velocity
int p_m; ///< Multiplier for power
int p_s; ///< Shift for power
StringID power; ///< String for velocity
int w_m; ///< Multiplier for weight
int w_s; ///< Shift for weight
StringID s_weight; ///< Short string for weight
StringID l_weight; ///< Long string for weight
int v_m; ///< Multiplier for volume
int v_s; ///< Shift for volume
StringID s_volume; ///< Short string for volume
StringID l_volume; ///< Long string for volume
int f_m; ///< Multiplier for force
int f_s; ///< Shift for force
StringID force; ///< String for force
int h_m; ///< Multiplier for height
int h_s; ///< Shift for height
StringID height; ///< String for height
};
/* Unit conversions */
static const Units units[] = {
{ // Imperial (Original, mph, hp, metric ton, litre, kN, ft)
1, 0, STR_UNITS_VELOCITY_IMPERIAL,
1, 0, STR_UNITS_POWER_IMPERIAL,
1, 0, STR_UNITS_WEIGHT_SHORT_METRIC, STR_UNITS_WEIGHT_LONG_METRIC,
1000, 0, STR_UNITS_VOLUME_SHORT_METRIC, STR_UNITS_VOLUME_LONG_METRIC,
1, 0, STR_UNITS_FORCE_SI,
3, 0, STR_UNITS_HEIGHT_IMPERIAL,
},
{ // Metric (km/h, hp, metric ton, litre, kN, metre)
103, 6, STR_UNITS_VELOCITY_METRIC,
1, 0, STR_UNITS_POWER_METRIC,
1, 0, STR_UNITS_WEIGHT_SHORT_METRIC, STR_UNITS_WEIGHT_LONG_METRIC,
1000, 0, STR_UNITS_VOLUME_SHORT_METRIC, STR_UNITS_VOLUME_LONG_METRIC,
1, 0, STR_UNITS_FORCE_SI,
1, 0, STR_UNITS_HEIGHT_SI,
},
{ // SI (m/s, kilowatt, kilogram, cubic metre, kilonewton, metre)
1831, 12, STR_UNITS_VELOCITY_SI,
764, 10, STR_UNITS_POWER_SI,
1000, 0, STR_UNITS_WEIGHT_SHORT_SI, STR_UNITS_WEIGHT_LONG_SI,
1, 0, STR_UNITS_VOLUME_SHORT_SI, STR_UNITS_VOLUME_LONG_SI,
1, 0, STR_UNITS_FORCE_SI,
1, 0, STR_UNITS_HEIGHT_SI,
},
};
/**
* Convert the given (internal) speed to the display speed.
* @param speed the speed to convert
* @return the converted speed.
*/
uint ConvertSpeedToDisplaySpeed(uint speed)
{
return (speed * units[_settings_game.locale.units].s_m) >> units[_settings_game.locale.units].s_s;
}
/**
* Convert the given display speed to the (internal) speed.
* @param speed the speed to convert
* @return the converted speed.
*/
uint ConvertDisplaySpeedToSpeed(uint speed)
{
return ((speed << units[_settings_game.locale.units].s_s) + units[_settings_game.locale.units].s_m / 2) / units[_settings_game.locale.units].s_m;
}
static char *FormatString(char *buff, const char *str, int64 *argv, uint casei, const char *last)
{
WChar b;
int64 *argv_orig = argv;
uint modifier = 0;
char *buf_start = buff;
while ((b = Utf8Consume(&str)) != '\0') {
if (SCC_NEWGRF_FIRST <= b && b <= SCC_NEWGRF_LAST) {
/* We need to pass some stuff as it might be modified; oh boy. */
b = RemapNewGRFStringControlCode(b, buf_start, &buff, &str, argv);
if (b == 0) continue;
}
switch (b) {
case SCC_SETX: // {SETX}
if (buff + Utf8CharLen(SCC_SETX) + 1 < last) {
buff += Utf8Encode(buff, SCC_SETX);
*buff++ = *str++;
}
break;
case SCC_SETXY: // {SETXY}
if (buff + Utf8CharLen(SCC_SETXY) + 2 < last) {
buff += Utf8Encode(buff, SCC_SETXY);
*buff++ = *str++;
*buff++ = *str++;
}
break;
case SCC_STRING_ID: // {STRINL}
buff = GetStringWithArgs(buff, Utf8Consume(&str), argv, last);
break;
case SCC_RAW_STRING_POINTER: { // {RAW_STRING}
const char *str = (const char*)(size_t)GetInt64(&argv);
buff = FormatString(buff, str, argv, casei, last);
break;
}
case SCC_DATE_LONG: // {DATE_LONG}
buff = FormatYmdString(buff, GetInt32(&argv), last);
break;
case SCC_DATE_SHORT: // {DATE_SHORT}
buff = FormatMonthAndYear(buff, GetInt32(&argv), last);
break;
case SCC_VELOCITY: { // {VELOCITY}
int64 args[1];
assert(_settings_game.locale.units < lengthof(units));
args[0] = ConvertSpeedToDisplaySpeed(GetInt32(&argv) * 10 / 16);
buff = FormatString(buff, GetStringPtr(units[_settings_game.locale.units].velocity), args, modifier >> 24, last);
modifier = 0;
break;
}
case SCC_HEIGHT: { // {HEIGHT}
int64 args[1] = {GetInt32(&argv) * units[_settings_game.locale.units].h_m >> units[_settings_game.locale.units].h_s};
buff = FormatString(buff, GetStringPtr(units[_settings_game.locale.units].height), args, modifier >> 24, last);
modifier = 0;
break;
}
case SCC_CURRENCY_COMPACT: // {CURRCOMPACT}
buff = FormatGenericCurrency(buff, _currency, GetInt64(&argv), true, last);
break;
case SCC_REVISION: // {REV}
buff = strecpy(buff, _openttd_revision, last);
break;
case SCC_CARGO_SHORT: { // {SHORTCARGO}
/* Short description of cargotypes. Layout:
* 8-bit = cargo type
* 16-bit = cargo count */
StringID cargo_str = CargoSpec::Get(GetInt32(&argv))->units_volume;
switch (cargo_str) {
case STR_TONS: {
int64 args[1];
assert(_settings_game.locale.units < lengthof(units));
args[0] = GetInt32(&argv) * units[_settings_game.locale.units].w_m >> units[_settings_game.locale.units].w_s;
buff = FormatString(buff, GetStringPtr(units[_settings_game.locale.units].l_weight), args, modifier >> 24, last);
modifier = 0;
break;
}
case STR_LITERS: {
int64 args[1];
assert(_settings_game.locale.units < lengthof(units));
args[0] = GetInt32(&argv) * units[_settings_game.locale.units].v_m >> units[_settings_game.locale.units].v_s;
buff = FormatString(buff, GetStringPtr(units[_settings_game.locale.units].l_volume), args, modifier >> 24, last);
modifier = 0;
break;
}
default:
buff = GetStringWithArgs(buff, cargo_str, argv++, last);
break;
}
break;
}
case SCC_STRING1: { // {STRING1}
/* String that consumes ONE argument */
uint str = modifier + GetInt32(&argv);
buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 1), last);
modifier = 0;
break;
}
case SCC_STRING2: { // {STRING2}
/* String that consumes TWO arguments */
uint str = modifier + GetInt32(&argv);
buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 2), last);
modifier = 0;
break;
}
case SCC_STRING3: { // {STRING3}
/* String that consumes THREE arguments */
uint str = modifier + GetInt32(&argv);
buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 3), last);
modifier = 0;
break;
}
case SCC_STRING4: { // {STRING4}
/* String that consumes FOUR arguments */
uint str = modifier + GetInt32(&argv);
buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 4), last);
modifier = 0;
break;
}
case SCC_STRING5: { // {STRING5}
/* String that consumes FIVE arguments */
uint str = modifier + GetInt32(&argv);
buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 5), last);
modifier = 0;
break;
}
case SCC_STATION_FEATURES: { // {STATIONFEATURES}
buff = StationGetSpecialString(buff, GetInt32(&argv), last);
break;
}
case SCC_INDUSTRY_NAME: { // {INDUSTRY}
const Industry *i = Industry::Get(GetInt32(&argv));
int64 args[2];
/* industry not valid anymore? */
assert(i != NULL);
/* First print the town name and the industry type name. */
args[0] = i->town->index;
args[1] = GetIndustrySpec(i->type)->name;
buff = FormatString(buff, GetStringPtr(STR_FORMAT_INDUSTRY_NAME), args, modifier >> 24, last);
modifier = 0;
break;
}
case SCC_VOLUME: { // {VOLUME}
int64 args[1];
assert(_settings_game.locale.units < lengthof(units));
args[0] = GetInt32(&argv) * units[_settings_game.locale.units].v_m >> units[_settings_game.locale.units].v_s;
buff = FormatString(buff, GetStringPtr(units[_settings_game.locale.units].l_volume), args, modifier >> 24, last);
modifier = 0;
break;
}
case SCC_GENDER_LIST: { // {G 0 Der Die Das}
/* First read the meta data from the language file. */
WChar fmt = SCC_CONTROL_START + (byte)*str++;
byte offset = (byte)*str++;
/* Now we need to figure out what text to resolve, i.e.
* what do we need to draw? So get the actual raw string
* first using the control code to get said string. */
char input[4 + 1];
char *p = input + Utf8Encode(input, fmt);
*p = '\0';
/* Now do the string formatting. */
char buf[256];
bool old_kgd = _keep_gender_data;
_keep_gender_data = true;
p = FormatString(buf, input, argv_orig + offset, 0, lastof(buf));
_keep_gender_data = old_kgd;
*p = '\0';
/* And determine the string. */
int gender = 0;
const char *s = buf;
WChar c = Utf8Consume(&s);
/* Does this string have a gender, if so, set it */
if (c == SCC_GENDER_INDEX) gender = (byte)s[0];
str = ParseStringChoice(str, gender, &buff, last);
break;
}
case SCC_DATE_TINY: { // {DATE_TINY}
buff = FormatTinyOrISODate(buff, GetInt32(&argv), STR_FORMAT_DATE_TINY, last);
break;
}
case SCC_DATE_ISO: { // {DATE_ISO}
buff = FormatTinyOrISODate(buff, GetInt32(&argv), STR_FORMAT_DATE_ISO, last);
break;
}
case SCC_CARGO: { // {CARGO}
/* First parameter is cargo type, second parameter is cargo count */
CargoID cargo = GetInt32(&argv);
StringID cargo_str = (cargo == CT_INVALID) ? STR_QUANTITY_N_A : CargoSpec::Get(cargo)->quantifier;
buff = GetStringWithArgs(buff, cargo_str, argv++, last);
break;
}
case SCC_POWER: { // {POWER}
int64 args[1];
assert(_settings_game.locale.units < lengthof(units));
args[0] = GetInt32(&argv) * units[_settings_game.locale.units].p_m >> units[_settings_game.locale.units].p_s;
buff = FormatString(buff, GetStringPtr(units[_settings_game.locale.units].power), args, modifier >> 24, last);
modifier = 0;
break;
}
case SCC_VOLUME_SHORT: { // {VOLUME_S}
int64 args[1];
assert(_settings_game.locale.units < lengthof(units));
args[0] = GetInt32(&argv) * units[_settings_game.locale.units].v_m >> units[_settings_game.locale.units].v_s;
buff = FormatString(buff, GetStringPtr(units[_settings_game.locale.units].s_volume), args, modifier >> 24, last);
modifier = 0;
break;
}
case SCC_WEIGHT: { // {WEIGHT}
int64 args[1];
assert(_settings_game.locale.units < lengthof(units));
args[0] = GetInt32(&argv) * units[_settings_game.locale.units].w_m >> units[_settings_game.locale.units].w_s;
buff = FormatString(buff, GetStringPtr(units[_settings_game.locale.units].l_weight), args, modifier >> 24, last);
modifier = 0;
break;
}
case SCC_WEIGHT_SHORT: { // {WEIGHT_S}
int64 args[1];
assert(_settings_game.locale.units < lengthof(units));
args[0] = GetInt32(&argv) * units[_settings_game.locale.units].w_m >> units[_settings_game.locale.units].w_s;
buff = FormatString(buff, GetStringPtr(units[_settings_game.locale.units].s_weight), args, modifier >> 24, last);
modifier = 0;
break;
}
case SCC_FORCE: { // {FORCE}
int64 args[1];
assert(_settings_game.locale.units < lengthof(units));
args[0] = GetInt32(&argv) * units[_settings_game.locale.units].f_m >> units[_settings_game.locale.units].f_s;
buff = FormatString(buff, GetStringPtr(units[_settings_game.locale.units].force), args, modifier >> 24, last);
modifier = 0;
break;
}
/* This sets up the gender for the string.
* We just ignore this one. It's used in {G 0 Der Die Das} to determine the case. */
case SCC_GENDER_INDEX: // {GENDER 0}
if (_keep_gender_data) {
buff += Utf8Encode(buff, SCC_GENDER_INDEX);
*buff++ = *str++;
} else {
str++;
}
break;
case SCC_STRING: {// {STRING}
uint str = modifier + GetInt32(&argv);
/* WARNING. It's prohibited for the included string to consume any arguments.
* For included strings that consume argument, you should use STRING1, STRING2 etc.
* To debug stuff you can set argv to NULL and it will tell you */
buff = GetStringWithArgs(buff, str, argv, last);
modifier = 0;
break;
}
case SCC_COMMA: // {COMMA}
buff = FormatCommaNumber(buff, GetInt64(&argv), last);
break;
case SCC_ARG_INDEX: // Move argument pointer
argv = argv_orig + (byte)*str++;
break;
case SCC_PLURAL_LIST: { // {P}
int plural_form = *str++; // contains the plural form for this string
int64 v = argv_orig[(byte)*str++]; // contains the number that determines plural
str = ParseStringChoice(str, DeterminePluralForm(v, plural_form), &buff, last);
break;
}
case SCC_NUM: // {NUM}
buff = FormatNoCommaNumber(buff, GetInt64(&argv), last);
break;
case SCC_ZEROFILL_NUM: { // {ZEROFILL_NUM}
int64 num = GetInt64(&argv);
buff = FormatZerofillNumber(buff, num, GetInt64(&argv), last);
break;
}
case SCC_HEX: // {HEX}
buff = FormatHexNumber(buff, (uint64)GetInt64(&argv), last);
break;
case SCC_BYTES: // {BYTES}
buff = FormatBytes(buff, GetInt64(&argv), last);
break;
case SCC_CURRENCY: // {CURRENCY}
buff = FormatGenericCurrency(buff, _currency, GetInt64(&argv), false, last);
break;
case SCC_WAYPOINT_NAME: { // {WAYPOINT}
Waypoint *wp = Waypoint::Get(GetInt32(&argv));
assert(wp != NULL);
if (wp->name != NULL) {
buff = strecpy(buff, wp->name, last);
} else {
int64 temp[2];
temp[0] = wp->town->index;
temp[1] = wp->town_cn + 1;
StringID str = ((wp->string_id == STR_SV_STNAME_BUOY) ? STR_FORMAT_BUOY_NAME : STR_FORMAT_WAYPOINT_NAME);
if (wp->town_cn != 0) str++;
buff = GetStringWithArgs(buff, str, temp, last);
}
break;
}
case SCC_STATION_NAME: { // {STATION}
StationID sid = GetInt32(&argv);
const Station *st = Station::GetIfValid(sid);
if (st == NULL) {
/* The station doesn't exist anymore. The only place where we might
* be "drawing" an invalid station is in the case of cargo that is
* in transit. */
buff = GetStringWithArgs(buff, STR_UNKNOWN_STATION, NULL, last);
break;
}
if (st->name != NULL) {
buff = strecpy(buff, st->name, last);
} else {
StringID str = st->string_id;
if (st->indtype != IT_INVALID) {
/* Special case where the industry provides the name for the station */
const IndustrySpec *indsp = GetIndustrySpec(st->indtype);
/* Industry GRFs can change which might remove the station name and
* thus cause very strange things. Here we check for that before we
* actually set the station name. */
if (indsp->station_name != STR_NULL && indsp->station_name != STR_UNDEFINED) {
str = indsp->station_name;
}
}
int64 temp[3];
temp[0] = STR_TOWN_NAME;
temp[1] = st->town->index;
temp[2] = st->index;
buff = GetStringWithArgs(buff, str, temp, last);
}
break;
}
case SCC_DEPOT_NAME: { // {DEPOT}
VehicleType vt = (VehicleType)GetInt32(&argv);
if (vt == VEH_AIRCRAFT) {
int64 temp[] = { GetInt32(&argv) };
buff = GetStringWithArgs(buff, STR_FORMAT_DEPOT_NAME_AIRCRAFT, temp, last);
break;
}
const Depot *d = Depot::Get(GetInt32(&argv));
if (d->name != NULL) {
buff = strecpy(buff, d->name, last);
} else {
int64 temp[] = { d->town->index, d->town_cn + 1 };
buff = GetStringWithArgs(buff, STR_FORMAT_DEPOT_NAME_TRAIN + 2 * vt + (d->town_cn == 0 ? 0 : 1), temp, last);
}
break;
}
case SCC_TOWN_NAME: { // {TOWN}
const Town *t = Town::Get(GetInt32(&argv));
assert(t != NULL);
if (t->name != NULL) {
buff = strecpy(buff, t->name, last);
} else {
buff = GetTownName(buff, t, last);
}
break;
}
case SCC_GROUP_NAME: { // {GROUP}
const Group *g = Group::Get(GetInt32(&argv));
assert(g != NULL);
if (g->name != NULL) {
buff = strecpy(buff, g->name, last);
} else {
int64 args[1];
args[0] = g->index;
buff = GetStringWithArgs(buff, STR_FORMAT_GROUP_NAME, args, last);
}
break;
}
case SCC_ENGINE_NAME: { // {ENGINE}
EngineID engine = (EngineID)GetInt32(&argv);
const Engine *e = Engine::Get(engine);
assert(e != NULL);
if (e->name != NULL && e->info.string_id != STR_NEWGRF_INVALID_ENGINE) {
buff = strecpy(buff, e->name, last);
} else {
buff = GetStringWithArgs(buff, e->info.string_id, NULL, last);
}
break;
}
case SCC_VEHICLE_NAME: { // {VEHICLE}
const Vehicle *v = Vehicle::Get(GetInt32(&argv));
assert(v != NULL);
if (v->name != NULL) {
buff = strecpy(buff, v->name, last);
} else {
int64 args[1];
args[0] = v->unitnumber;
StringID str;
switch (v->type) {
default: NOT_REACHED();
case VEH_TRAIN: str = STR_SV_TRAIN_NAME; break;
case VEH_ROAD: str = STR_SV_ROAD_VEHICLE_NAME; break;
case VEH_SHIP: str = STR_SV_SHIP_NAME; break;
case VEH_AIRCRAFT: str = STR_SV_AIRCRAFT_NAME; break;
}
buff = GetStringWithArgs(buff, str, args, last);
}
break;
}
case SCC_SIGN_NAME: { // {SIGN}
const Sign *si = Sign::Get(GetInt32(&argv));
if (si->name != NULL) {
buff = strecpy(buff, si->name, last);
} else {
buff = GetStringWithArgs(buff, STR_DEFAULT_SIGN_NAME, NULL, last);
}
break;
}
case SCC_COMPANY_NAME: { // {COMPANY}
const Company *c = Company::Get((CompanyID)GetInt32(&argv));
if (c->name != NULL) {
buff = strecpy(buff, c->name, last);
} else {
int64 args[1];
args[0] = c->name_2;
buff = GetStringWithArgs(buff, c->name_1, args, last);
}
break;
}
case SCC_COMPANY_NUM: { // {COMPANYNUM}
CompanyID company = (CompanyID)GetInt32(&argv);
/* Nothing is added for AI or inactive companies */
if (Company::IsValidHumanID(company)) {
int64 args[1];
args[0] = company + 1;
buff = GetStringWithArgs(buff, STR_FORMAT_COMPANY_NUM, args, last);
}
break;
}
case SCC_PRESIDENT_NAME: { // {PRESIDENTNAME}
const Company *c = Company::Get((CompanyID)GetInt32(&argv));
if (c->president_name != NULL) {
buff = strecpy(buff, c->president_name, last);
} else {
int64 args[1];
args[0] = c->president_name_2;
buff = GetStringWithArgs(buff, c->president_name_1, args, last);
}
break;
}
case SCC_SETCASE: { // {SETCASE}
/* This is a pseudo command, it's outputted when someone does {STRING.ack}
* The modifier is added to all subsequent GetStringWithArgs that accept the modifier. */
modifier = (byte)*str++ << 24;
break;
}
case SCC_SWITCH_CASE: { // {Used to implement case switching}
/* <0x9E> <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT>
* Each LEN is printed using 2 bytes in big endian order. */
uint num = (byte)*str++;
while (num) {
if ((byte)str[0] == casei) {
/* Found the case, adjust str pointer and continue */
str += 3;
break;
}
/* Otherwise skip to the next case */
str += 3 + (str[1] << 8) + str[2];
num--;
}
break;
}
default:
if (buff + Utf8CharLen(b) < last) buff += Utf8Encode(buff, b);
break;
}
}
*buff = '\0';
return buff;
}
static char *StationGetSpecialString(char *buff, int x, const char *last)
{
if ((x & FACIL_TRAIN) && (buff + Utf8CharLen(SCC_TRAIN) < last)) buff += Utf8Encode(buff, SCC_TRAIN);
if ((x & FACIL_TRUCK_STOP) && (buff + Utf8CharLen(SCC_LORRY) < last)) buff += Utf8Encode(buff, SCC_LORRY);
if ((x & FACIL_BUS_STOP) && (buff + Utf8CharLen(SCC_BUS) < last)) buff += Utf8Encode(buff, SCC_BUS);
if ((x & FACIL_DOCK) && (buff + Utf8CharLen(SCC_SHIP) < last)) buff += Utf8Encode(buff, SCC_SHIP);
if ((x & FACIL_AIRPORT) && (buff + Utf8CharLen(SCC_PLANE) < last)) buff += Utf8Encode(buff, SCC_PLANE);
*buff = '\0';
return buff;
}
static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char *last)
{
return GenerateTownNameString(buff, last, ind, seed);
}
static const char * const _silly_company_names[] = {
"Bloggs Brothers",
"Tiny Transport Ltd.",
"Express Travel",
"Comfy-Coach & Co.",
"Crush & Bump Ltd.",
"Broken & Late Ltd.",
"Sam Speedy & Son",
"Supersonic Travel",
"Mike's Motors",
"Lightning International",
"Pannik & Loozit Ltd.",
"Inter-City Transport",
"Getout & Pushit Ltd."
};
static const char * const _surname_list[] = {
"Adams",
"Allan",
"Baker",
"Bigwig",
"Black",
"Bloggs",
"Brown",
"Campbell",
"Gordon",
"Hamilton",
"Hawthorn",
"Higgins",
"Green",
"Gribble",
"Jones",
"McAlpine",
"MacDonald",
"McIntosh",
"Muir",
"Murphy",
"Nelson",
"O'Donnell",
"Parker",
"Phillips",
"Pilkington",
"Quigley",
"Sharkey",
"Thomson",
"Watkins"
};
static const char * const _silly_surname_list[] = {
"Grumpy",
"Dozy",
"Speedy",
"Nosey",
"Dribble",
"Mushroom",
"Cabbage",
"Sniffle",
"Fishy",
"Swindle",
"Sneaky",
"Nutkins"
};
static const char _initial_name_letters[] = {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
'K', 'L', 'M', 'N', 'P', 'R', 'S', 'T', 'W',
};
static char *GenAndCoName(char *buff, uint32 arg, const char *last)
{
const char * const *base;
uint num;
if (_settings_game.game_creation.landscape == LT_TOYLAND) {
base = _silly_surname_list;
num = lengthof(_silly_surname_list);
} else {
base = _surname_list;
num = lengthof(_surname_list);
}
buff = strecpy(buff, base[num * GB(arg, 16, 8) >> 8], last);
buff = strecpy(buff, " & Co.", last);
return buff;
}
static char *GenPresidentName(char *buff, uint32 x, const char *last)
{
char initial[] = "?. ";
const char * const *base;
uint num;
uint i;
initial[0] = _initial_name_letters[sizeof(_initial_name_letters) * GB(x, 0, 8) >> 8];
buff = strecpy(buff, initial, last);
i = (sizeof(_initial_name_letters) + 35) * GB(x, 8, 8) >> 8;
if (i < sizeof(_initial_name_letters)) {
initial[0] = _initial_name_letters[i];
buff = strecpy(buff, initial, last);
}
if (_settings_game.game_creation.landscape == LT_TOYLAND) {
base = _silly_surname_list;
num = lengthof(_silly_surname_list);
} else {
base = _surname_list;
num = lengthof(_surname_list);
}
buff = strecpy(buff, base[num * GB(x, 16, 8) >> 8], last);
return buff;
}
static char *GetSpecialNameString(char *buff, int ind, int64 *argv, const char *last)
{
switch (ind) {
case 1: // not used
return strecpy(buff, _silly_company_names[GetInt32(&argv) & 0xFFFF], last);
case 2: // used for Foobar & Co company names
return GenAndCoName(buff, GetInt32(&argv), last);
case 3: // President name
return GenPresidentName(buff, GetInt32(&argv), last);
}
/* town name? */
if (IsInsideMM(ind - 6, 0, SPECSTR_TOWNNAME_LAST - SPECSTR_TOWNNAME_START + 1)) {
buff = GetSpecialTownNameString(buff, ind - 6, GetInt32(&argv), last);
return strecpy(buff, " Transport", last);
}
/* language name? */
if (IsInsideMM(ind, (SPECSTR_LANGUAGE_START - 0x70E4), (SPECSTR_LANGUAGE_END - 0x70E4) + 1)) {
int i = ind - (SPECSTR_LANGUAGE_START - 0x70E4);
return strecpy(buff,
&_languages[i] == _current_language ? _current_language->own_name : _languages[i].name, last);
}
/* resolution size? */
if (IsInsideMM(ind, (SPECSTR_RESOLUTION_START - 0x70E4), (SPECSTR_RESOLUTION_END - 0x70E4) + 1)) {
int i = ind - (SPECSTR_RESOLUTION_START - 0x70E4);
buff += seprintf(
buff, last, "%ux%u", _resolutions[i].width, _resolutions[i].height
);
return buff;
}
/* screenshot format name? */
if (IsInsideMM(ind, (SPECSTR_SCREENSHOT_START - 0x70E4), (SPECSTR_SCREENSHOT_END - 0x70E4) + 1)) {
int i = ind - (SPECSTR_SCREENSHOT_START - 0x70E4);
return strecpy(buff, GetScreenshotFormatDesc(i), last);
}
NOT_REACHED();
}
#ifdef ENABLE_NETWORK
extern void SortNetworkLanguages();
#else /* ENABLE_NETWORK */
static inline void SortNetworkLanguages() {}
#endif /* ENABLE_NETWORK */
bool LanguagePackHeader::IsValid() const
{
return this->ident == TO_LE32(LanguagePackHeader::IDENT) &&
this->version == TO_LE32(LANGUAGE_PACK_VERSION) &&
this->plural_form < LANGUAGE_MAX_PLURAL &&
this->text_dir <= 1 &&
this->newgrflangid < MAX_LANG &&
this->num_genders < MAX_NUM_GENDERS &&
this->num_cases < MAX_NUM_CASES &&
StrValid(this->name, lastof(this->name)) &&
StrValid(this->own_name, lastof(this->own_name)) &&
StrValid(this->isocode, lastof(this->isocode)) &&
StrValid(this->digit_group_separator, lastof(this->digit_group_separator)) &&
StrValid(this->digit_group_separator_currency, lastof(this->digit_group_separator_currency)) &&
StrValid(this->digit_decimal_separator, lastof(this->digit_decimal_separator));
}
bool ReadLanguagePack(const LanguageMetadata *lang)
{
/* Current language pack */
size_t len;
LanguagePack *lang_pack = (LanguagePack *)ReadFileToMem(lang->file, &len, 200000);
if (lang_pack == NULL) return false;
/* End of read data (+ terminating zero added in ReadFileToMem()) */
const char *end = (char *)lang_pack + len + 1;
/* We need at least one byte of lang_pack->data */
if (end <= lang_pack->data || !lang_pack->IsValid()) {
free(lang_pack);
return false;
}
#if TTD_ENDIAN == TTD_BIG_ENDIAN
for (uint i = 0; i < 32; i++) {
lang_pack->offsets[i] = ReadLE16Aligned(&lang_pack->offsets[i]);
}
#endif /* TTD_ENDIAN == TTD_BIG_ENDIAN */
uint count = 0;
for (uint i = 0; i < 32; i++) {
uint num = lang_pack->offsets[i];
_langtab_start[i] = count;
_langtab_num[i] = num;
count += num;
}
/* Allocate offsets */
char **langpack_offs = MallocT<char *>(count);
/* Fill offsets */
char *s = lang_pack->data;
len = (byte)*s++;
for (uint i = 0; i < count; i++) {
if (s + len >= end) {
free(lang_pack);
free(langpack_offs);
return false;
}
if (len >= 0xC0) {
len = ((len & 0x3F) << 8) + (byte)*s++;
if (s + len >= end) {
free(lang_pack);
free(langpack_offs);
return false;
}
}
langpack_offs[i] = s;
s += len;
len = (byte)*s;
*s++ = '\0'; // zero terminate the string
}
free(_langpack);
_langpack = lang_pack;
free(_langpack_offs);
_langpack_offs = langpack_offs;
_current_language = lang;
_current_text_dir = (TextDirection)_current_language->text_dir;
const char *c_file = strrchr(_current_language->file, PATHSEPCHAR) + 1;
strecpy(_config_language_file, c_file, lastof(_config_language_file));
SetCurrentGrfLangID(_current_language->newgrflangid);
InitializeSortedCargoSpecs();
SortIndustryTypes();
BuildIndustriesLegend();
SortNetworkLanguages();
return true;
}
/* Win32 implementation in win32.cpp.
* OS X implementation in os/macosx/macos.mm. */
#if !(defined(WIN32) || defined(__APPLE__))
/**
* Determine the current charset based on the environment
* First check some default values, after this one we passed ourselves
* and if none exist return the value for $LANG
* @param param environment variable to check conditionally if default ones are not
* set. Pass NULL if you don't want additional checks.
* @return return string containing current charset, or NULL if not-determinable
*/
const char *GetCurrentLocale(const char *param)
{
const char *env;
env = getenv("LANGUAGE");
if (env != NULL) return env;
env = getenv("LC_ALL");
if (env != NULL) return env;
if (param != NULL) {
env = getenv(param);
if (env != NULL) return env;
}
return getenv("LANG");
}
#else
const char *GetCurrentLocale(const char *param);
#endif /* !(defined(WIN32) || defined(__APPLE__)) */
int CDECL StringIDSorter(const StringID *a, const StringID *b)
{
char stra[512];
char strb[512];
GetString(stra, *a, lastof(stra));
GetString(strb, *b, lastof(strb));
return strcmp(stra, strb);
}
/**
* Get the language with the given NewGRF language ID.
* @param newgrflangid NewGRF languages ID to check.
* @return The language's metadata, or NULL if it is not known.
*/
const LanguageMetadata *GetLanguage(byte newgrflangid)
{
for (const LanguageMetadata *lang = _languages.Begin(); lang != _languages.End(); lang++) {
if (newgrflangid == lang->newgrflangid) return lang;
}
return NULL;
}
/**
* Reads the language file header and checks compatability.
* @param file the file to read
* @param hdr the place to write the header information to
* @return true if and only if the language file is of a compatible version
*/
static bool GetLanguageFileHeader(const char *file, LanguagePackHeader *hdr)
{
FILE *f = fopen(file, "rb");
if (f == NULL) return false;
size_t read = fread(hdr, sizeof(*hdr), 1, f);
fclose(f);
bool ret = read == 1 && hdr->IsValid();
/* Convert endianness for the windows language ID */
if (ret) hdr->winlangid = FROM_LE16(hdr->winlangid);
return ret;
}
/**
* Gets a list of languages from the given directory.
* @param path the base directory to search in
*/
static void GetLanguageList(const char *path)
{
DIR *dir = ttd_opendir(path);
if (dir != NULL) {
struct dirent *dirent;
while ((dirent = readdir(dir)) != NULL) {
const char *d_name = FS2OTTD(dirent->d_name);
const char *extension = strrchr(d_name, '.');
/* Not a language file */
if (extension == NULL || strcmp(extension, ".lng") != 0) continue;
LanguageMetadata lmd;
seprintf(lmd.file, lastof(lmd.file), "%s%s", path, d_name);
/* Check whether the file is of the correct version */
if (!GetLanguageFileHeader(lmd.file, &lmd)) {
DEBUG(misc, 3, "%s is not a valid language file", lmd.file);
} else if (GetLanguage(lmd.newgrflangid) != NULL) {
DEBUG(misc, 3, "%s's language ID is already known", lmd.file);
} else {
*_languages.Append() = lmd;
}
}
closedir(dir);
}
}
/**
* Make a list of the available language packs. put the data in
* _dynlang struct.
*/
void InitializeLanguagePacks()
{
Searchpath sp;
FOR_ALL_SEARCHPATHS(sp) {
char path[MAX_PATH];
FioAppendDirectory(path, lengthof(path), sp, LANG_DIR);
GetLanguageList(path);
}
if (_languages.Length() == 0) usererror("No available language packs (invalid versions?)");
/* Acquire the locale of the current system */
const char *lang = GetCurrentLocale("LC_MESSAGES");
if (lang == NULL) lang = "en_GB";
const LanguageMetadata *chosen_language = NULL; ///< Matching the language in the configuartion file or the current locale
const LanguageMetadata *language_fallback = NULL; ///< Using pt_PT for pt_BR locale when pt_BR is not available
const LanguageMetadata *en_GB_fallback = _languages.Begin(); ///< Fallback when no locale-matching language has been found
/* Find a proper language. */
for (const LanguageMetadata *lng = _languages.Begin(); lng != _languages.End(); lng++) {
/* We are trying to find a default language. The priority is by
* configuration file, local environment and last, if nothing found,
* english. */
const char *lang_file = strrchr(lng->file, PATHSEPCHAR) + 1;
if (strcmp(lang_file, _config_language_file) == 0) {
chosen_language = lng;
break;
}
if (strcmp (lng->isocode, "en_GB") == 0) en_GB_fallback = lng;
if (strncmp(lng->isocode, lang, 5) == 0) chosen_language = lng;
if (strncmp(lng->isocode, lang, 2) == 0) language_fallback = lng;
}
/* We haven't found the language in the config nor the one in the locale.
* Now we set it to one of the fallback languages */
if (chosen_language == NULL) {
chosen_language = (language_fallback != NULL) ? language_fallback : en_GB_fallback;
}
if (!ReadLanguagePack(chosen_language)) usererror("Can't read language pack '%s'", chosen_language->file);
}
/**
* Get the ISO language code of the currently loaded language.
* @return the ISO code.
*/
const char *GetCurrentLanguageIsoCode()
{
return _langpack->isocode;
}
/**
* Check whether there are glyphs missing in the current language.
* @param Pointer to an address for storing the text pointer.
* @return If glyphs are missing, return \c true, else return \false.
* @post If \c true is returned and str is not NULL, *str points to a string that is found to contain at least one missing glyph.
*/
static bool FindMissingGlyphs(const char **str)
{
#ifdef WITH_FREETYPE
UninitFreeType();
InitFreeType();
#endif
const Sprite *question_mark[FS_END];
FontSize size;
for (size = FS_BEGIN; size < FS_END; size++) {
question_mark[size] = GetGlyph(size, '?');
}
for (uint i = 0; i != 32; i++) {
for (uint j = 0; j < _langtab_num[i]; j++) {
size = FS_NORMAL;
const char *text = _langpack_offs[_langtab_start[i] + j];
if (str != NULL) *str = text;
for (WChar c = Utf8Consume(&text); c != '\0'; c = Utf8Consume(&text)) {
if (c == SCC_SETX) {
/* SetX is, together with SetXY as special character that
* uses the next (two) characters as data points. We have
* to skip those, otherwise the UTF8 reading will go haywire. */
text++;
} else if (c == SCC_SETXY) {
text += 2;
} else if (c == SCC_TINYFONT) {
size = FS_SMALL;
} else if (c == SCC_BIGFONT) {
size = FS_LARGE;
} else if (IsPrintable(c) && !IsTextDirectionChar(c) && c != '?' && GetGlyph(size, c) == question_mark[size]) {
/* The character is printable, but not in the normal font. This is the case we were testing for. */
return true;
}
}
}
}
return false;
}
/**
* Check whether the currently loaded language pack
* uses characters that the currently loaded font
* does not support. If this is the case an error
* message will be shown in English. The error
* message will not be localized because that would
* mean it might use characters that are not in the
* font, which is the whole reason this check has
* been added.
*/
void CheckForMissingGlyphsInLoadedLanguagePack()
{
bool bad_font = FindMissingGlyphs(NULL);
#ifdef WITH_FREETYPE
if (bad_font) {
/* We found an unprintable character... lets try whether we can find
* a fallback font that can print the characters in the current language. */
FreeTypeSettings backup;
memcpy(&backup, &_freetype, sizeof(backup));
bad_font = !SetFallbackFont(&_freetype, _langpack->isocode, _langpack->winlangid, &FindMissingGlyphs);
memcpy(&_freetype, &backup, sizeof(backup));
if (bad_font) {
/* Our fallback font does miss characters too, so keep the
* user chosen font as that is more likely to be any good than
* the wild guess we made */
UninitFreeType();
InitFreeType();
}
}
#endif
if (bad_font) {
/* All attempts have failed. Display an error. As we do not want the string to be translated by
* the translators, we 'force' it into the binary and 'load' it via a BindCString. To do this
* properly we have to set the colour of the string, otherwise we end up with a lot of artefacts.
* The colour 'character' might change in the future, so for safety we just Utf8 Encode it into
* the string, which takes exactly three characters, so it replaces the "XXX" with the colour marker. */
static char *err_str = strdup("XXXThe current font is missing some of the characters used in the texts for this language. Read the readme to see how to solve this.");
Utf8Encode(err_str, SCC_YELLOW);
SetDParamStr(0, err_str);
ShowErrorMessage(STR_JUST_RAW_STRING, INVALID_STRING_ID, WL_WARNING);
/* Reset the font width */
LoadStringWidthTable();
return;
}
/* Update the font with cache */
LoadStringWidthTable();
#if !defined(WITH_ICU)
/*
* For right-to-left languages we need the ICU library. If
* we do not have support for that library we warn the user
* about it with a message. As we do not want the string to
* be translated by the translators, we 'force' it into the
* binary and 'load' it via a BindCString. To do this
* properly we have to set the colour of the string,
* otherwise we end up with a lot of artefacts. The colour
* 'character' might change in the future, so for safety
* we just Utf8 Encode it into the string, which takes
* exactly three characters, so it replaces the "XXX" with
* the colour marker.
*/
if (_current_text_dir != TD_LTR) {
static char *err_str = strdup("XXXThis version of OpenTTD does not support right-to-left languages. Recompile with icu enabled.");
Utf8Encode(err_str, SCC_YELLOW);
SetDParamStr(0, err_str);
ShowErrorMessage(STR_JUST_RAW_STRING, INVALID_STRING_ID, WL_ERROR);
}
#endif
}
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