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/* $Id$ */

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/** @file strings.cpp Handling of translated strings. */

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     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "currency.h"

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#include "namegen_func.h"

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#include "station_base.h"

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#include "town.h"

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#include "screenshot.h"

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#include "waypoint.h"

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#include "industry.h"

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#include "variables.h"

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#include "newgrf_text.h"

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#include "music.h"

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#include "industry.h"

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#include "fileio_func.h"

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#include "cargotype.h"

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#include "group.h"

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#include "debug.h"

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#include "newgrf_townname.h"

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#include "signs_base.h"

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#include "newgrf_engine.h"

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#include "spritecache.h"

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#include "fontcache.h"

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#include "gui.h"

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#include "strings_func.h"

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#include "functions.h"

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#include "rev.h"

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#include "core/endian_func.hpp"

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#include "date_func.h"

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#include "vehicle_base.h"

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#include "string_func.h"

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#include "fios.h"

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#include "settings_type.h"

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#include "video/video_driver.hpp"

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#include "engine_func.h"

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#include "engine_base.h"

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#include "saveload.h"

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    44

#include "table/strings.h"

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#include "table/control_codes.h"

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    47

DynamicLanguages _dynlang;

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uint64 _decode_parameters[20];

    49

    50

static char *StationGetSpecialString(char *buff, int x, const char* last);

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static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char* last);

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static char *GetSpecialNameString(char *buff, int ind, const int64 *argv, const char* last);

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    54

static char *FormatString(char *buff, const char *str, const int64 *argv, uint casei, const char* last);

    55

    56

struct LanguagePack {

    57

	uint32 ident;       // 32-bits identifier

    58

	uint32 version;     // 32-bits of auto generated version info which is basically a hash of strings.h

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	char name[32];      // the international name of this language

    60

	char own_name[32];  // the localized name of this language

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	char isocode[16];   // the ISO code for the language (not country code)

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	uint16 offsets[32]; // the offsets

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	byte plural_form;   // how to compute plural forms

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	byte pad[3];        // pad header to be a multiple of 4

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	char data[VARARRAY_SIZE]; // list of strings

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};

    67

    68

static char **_langpack_offs;

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static LanguagePack *_langpack;

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static uint _langtab_num[32];   // Offset into langpack offs

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static uint _langtab_start[32]; // Offset into langpack offs

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    73

    74

/** Read an int64 from the argv array. */

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static inline int64 GetInt64(const int64 **argv)

    76

{

    77

	assert(argv);

    78

	return *(*argv)++;

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}

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    81

/** Read an int32 from the argv array. */

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static inline int32 GetInt32(const int64 **argv)

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{

    84

	return (int32)GetInt64(argv);

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}

    86

    87

/** Read an array from the argv array. */

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static inline const int64 *GetArgvPtr(const int64 **argv, int n)

    89

{

    90

	const int64 *result;

    91

	assert(*argv);

    92

	result = *argv;

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	(*argv) += n;

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	return result;

    95

}

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    97

    98

const char *GetStringPtr(StringID string)

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{

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	switch (GB(string, 11, 5)) {

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		case 28: return GetGRFStringPtr(GB(string, 0, 11));

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		case 29: return GetGRFStringPtr(GB(string, 0, 11) + 0x0800);

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		case 30: return GetGRFStringPtr(GB(string, 0, 11) + 0x1000);

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		default: return _langpack_offs[_langtab_start[string >> 11] + (string & 0x7FF)];

   105

	}

   106

}

   107

   108

/** The highest 8 bits of string contain the "case index".

   109

 * These 8 bits will only be set when FormatString wants to print

   110

 * the string in a different case. No one else except FormatString

   111

 * should set those bits, therefore string CANNOT be StringID, but uint32.

   112

 * @param buffr

   113

 * @param string

   114

 * @param argv

   115

 * @param last

   116

 * @return a formatted string of char

   117

 */

   118

static char *GetStringWithArgs(char *buffr, uint string, const int64 *argv, const char* last)

   119

{

   120

	if (GB(string, 0, 16) == 0) return GetStringWithArgs(buffr, STR_UNDEFINED, argv, last);

   121

   122

	uint index = GB(string,  0, 11);

   123

	uint tab   = GB(string, 11,  5);

   124

   125

	switch (tab) {

   126

		case 4:

   127

			if (index >= 0xC0)

   128

				return GetSpecialTownNameString(buffr, index - 0xC0, GetInt32(&argv), last);

   129

			break;

   130

   131

		case 14:

   132

			if (index >= 0xE4)

   133

				return GetSpecialNameString(buffr, index - 0xE4, argv, last);

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			break;

   135

   136

		case 15:

   137

			/* Old table for custom names. This is no longer used */

   138

			error("Incorrect conversion of custom name string.");

   139

   140

		case 26:

   141

			/* Include string within newgrf text (format code 81) */

   142

			if (HasBit(index, 10)) {

   143

				StringID string = GetGRFStringID(0, 0xD000 + GB(index, 0, 10));

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				return GetStringWithArgs(buffr, string, argv, last);

   145

			}

   146

			break;

   147

   148

		case 28:

   149

			return FormatString(buffr, GetGRFStringPtr(index), argv, 0, last);

   150

   151

		case 29:

   152

			return FormatString(buffr, GetGRFStringPtr(index + 0x0800), argv, 0, last);

   153

   154

		case 30:

   155

			return FormatString(buffr, GetGRFStringPtr(index + 0x1000), argv, 0, last);

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   157

		case 31:

   158

			NOT_REACHED();

   159

	}

   160

   161

	if (index >= _langtab_num[tab]) {

   162

		error(

   163

			"String 0x%X is invalid. "

   164

			"Probably because an old version of the .lng file.\n", string

   165

		);

   166

	}

   167

   168

	return FormatString(buffr, GetStringPtr(GB(string, 0, 16)), argv, GB(string, 24, 8), last);

   169

}

   170

   171

char *GetString(char *buffr, StringID string, const char* last)

   172

{

   173

	return GetStringWithArgs(buffr, string, (int64*)_decode_parameters, last);

   174

}

   175

   176

   177

char *InlineString(char *buf, StringID string)

   178

{

   179

	buf += Utf8Encode(buf, SCC_STRING_ID);

   180

	buf += Utf8Encode(buf, string);

   181

	return buf;

   182

}

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   184

   185

/** This function is used to "bind" a C string to a OpenTTD dparam slot.

   186

 * @param n slot of the string

   187

 * @param str string to bind

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 */

   189

void SetDParamStr(uint n, const char *str)

   190

{

   191

	SetDParam(n, (uint64)(size_t)str);

   192

}

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   194

void InjectDParam(uint amount)

   195

{

   196

	assert((uint)amount < lengthof(_decode_parameters));

   197

	memmove(_decode_parameters + amount, _decode_parameters, sizeof(_decode_parameters) - amount * sizeof(uint64));

   198

}

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   200

// TODO

   201

static char *FormatCommaNumber(char *buff, int64 number, const char *last)

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{

   203

	uint64 divisor = 10000000000000000000ULL;

   204

	uint64 quot;

   205

	int i;

   206

	uint64 tot;

   207

	uint64 num;

   208

   209

	if (number < 0) {

   210

		*buff++ = '-';

   211

		number = -number;

   212

	}

   213

   214

	num = number;

   215

   216

	tot = 0;

   217

	for (i = 0; i < 20; i++) {

   218

		quot = 0;

   219

		if (num >= divisor) {

   220

			quot = num / divisor;

   221

			num = num % divisor;

   222

		}

   223

		if (tot |= quot || i == 19) {

   224

			*buff++ = '0' + quot;

   225

			if ((i % 3) == 1 && i != 19) *buff++ = ',';

   226

		}

   227

   228

		divisor /= 10;

   229

	}

   230

   231

	*buff = '\0';

   232

   233

	return buff;

   234

}

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   236

// TODO

   237

static char *FormatNoCommaNumber(char *buff, int64 number, const char *last)

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{

   239

	uint64 divisor = 10000000000000000000ULL;

   240

	uint64 quot;

   241

	int i;

   242

	uint64 tot;

   243

	uint64 num;

   244

   245

	if (number < 0) {

   246

		buff = strecpy(buff, "-", last);

   247

		number = -number;

   248

	}

   249

   250

	num = number;

   251

   252

	tot = 0;

   253

	for (i = 0; i < 20; i++) {

   254

		quot = 0;

   255

		if (num >= divisor) {

   256

			quot = num / divisor;

   257

			num = num % divisor;

   258

		}

   259

		if (tot |= quot || i == 19) {

   260

			*buff++ = '0' + quot;

   261

		}

   262

   263

		divisor /= 10;

   264

	}

   265

   266

	*buff = '\0';

   267

   268

	return buff;

   269

}

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   271

static char *FormatHexNumber(char *buff, int64 number, const char *last)

   272

{

   273

	return buff + snprintf(buff, last - buff, "0x%x", (uint32)number);

   274

}

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   276

static char *FormatYmdString(char *buff, Date date, const char* last)

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{

   278

	YearMonthDay ymd;

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	ConvertDateToYMD(date, &ymd);

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   281

	int64 args[3] = { ymd.day + STR_01AC_1ST - 1, STR_0162_JAN + ymd.month, ymd.year };

   282

	return FormatString(buff, GetStringPtr(STR_DATE_LONG), args, 0, last);

   283

}

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   285

static char *FormatMonthAndYear(char *buff, Date date, const char* last)

   286

{

   287

	YearMonthDay ymd;

   288

	ConvertDateToYMD(date, &ymd);

   289

   290

	int64 args[2] = { STR_MONTH_JAN + ymd.month, ymd.year };

   291

	return FormatString(buff, GetStringPtr(STR_DATE_SHORT), args, 0, last);

   292

}

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   294

static char *FormatTinyDate(char *buff, Date date, const char* last)

   295

{

   296

	YearMonthDay ymd;

   297

	ConvertDateToYMD(date, &ymd);

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   299

	char day[3];

   300

	char month[3];

   301

	/* We want to zero-pad the days and months */

   302

	snprintf(day,   lengthof(day),   "%02i", ymd.day);

   303

	snprintf(month, lengthof(month), "%02i", ymd.month + 1);

   304

   305

	int64 args[3] = { (int64)(size_t)day, (int64)(size_t)month, ymd.year };

   306

	return FormatString(buff, GetStringPtr(STR_DATE_TINY), args, 0, last);

   307

}

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   309

static char *FormatGenericCurrency(char *buff, const CurrencySpec *spec, Money number, bool compact, const char* last)

   310

{

   311

	/* We are going to make number absolute for printing, so

   312

	 * keep this piece of data as we need it later on */

   313

	bool negative = number < 0;

   314

	const char *multiplier = "";

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	char buf[40];

   316

	char *p;

   317

	int j;

   318

   319

	number *= spec->rate;

   320

   321

	/* convert from negative */

   322

	if (number < 0) {

   323

		if (buff + Utf8CharLen(SCC_RED) > last) return buff;

   324

		buff += Utf8Encode(buff, SCC_RED);

   325

		buff = strecpy(buff, "-", last);

   326

		number = -number;

   327

	}

   328

   329

	/* Add prefix part, folowing symbol_pos specification.

   330

	 * Here, it can can be either 0 (prefix) or 2 (both prefix anf suffix).

   331

	 * The only remaining value is 1 (suffix), so everything that is not 1 */

   332

	if (spec->symbol_pos != 1) buff = strecpy(buff, spec->prefix, last);

   333

   334

	/* for huge numbers, compact the number into k or M */

   335

	if (compact) {

   336

		if (number >= 1000000000) {

   337

			number = (number + 500000) / 1000000;

   338

			multiplier = "M";

   339

		} else if (number >= 1000000) {

   340

			number = (number + 500) / 1000;

   341

			multiplier = "k";

   342

		}

   343

	}

   344

   345

	/* convert to ascii number and add commas */

   346

	p = endof(buf);

   347

	*--p = '\0';

   348

	j = 4;

   349

	do {

   350

		if (--j == 0) {

   351

			*--p = spec->separator;

   352

			j = 3;

   353

		}

   354

		*--p = '0' + (char)(number % 10);

   355

	} while ((number /= 10) != 0);

   356

	buff = strecpy(buff, p, last);

   357

   358

	buff = strecpy(buff, multiplier, last);

   359

   360

	/* Add suffix part, folowing symbol_pos specification.

   361

	 * Here, it can can be either 1 (suffix) or 2 (both prefix anf suffix).

   362

	 * The only remaining value is 1 (prefix), so everything that is not 0 */

   363

	if (spec->symbol_pos != 0) buff = strecpy(buff, spec->suffix, last);

   364

   365

	if (negative) {

   366

		if (buff + Utf8CharLen(SCC_PREVIOUS_COLOUR) > last) return buff;

   367

		buff += Utf8Encode(buff, SCC_PREVIOUS_COLOUR);

   368

		*buff = '\0';

   369

	}

   370

   371

	return buff;

   372

}

   373

   374

static int DeterminePluralForm(int64 count)

   375

{

   376

	/* The absolute value determines plurality */

   377

	uint64 n = abs(count);

   378

   379

	switch (_langpack->plural_form) {

   380

		default:

   381

			NOT_REACHED();

   382

   383

		/* Two forms, singular used for one only

   384

		 * Used in:

   385

		 *   Danish, Dutch, English, German, Norwegian, Swedish, Estonian, Finnish,

   386

		 *   Greek, Hebrew, Italian, Portuguese, Spanish, Esperanto */

   387

		case 0:

   388

			return n != 1;

   389

   390

		/* Only one form

   391

		 * Used in:

   392

		 *   Hungarian, Japanese, Korean, Turkish */

   393

		case 1:

   394

			return 0;

   395

   396

		/* Two forms, singular used for zero and one

   397

		 * Used in:

   398

		 *   French, Brazilian Portuguese */

   399

		case 2:

   400

			return n > 1;

   401

   402

		/* Three forms, special case for zero

   403

		 * Used in:

   404

		 *   Latvian */

   405

		case 3:

   406

			return n % 10 == 1 && n % 100 != 11 ? 0 : n != 0 ? 1 : 2;

   407

   408

		/* Three forms, special case for one and two

   409

		 * Used in:

   410

		 *   Gaelige (Irish) */

   411

		case 4:

   412

			return n == 1 ? 0 : n == 2 ? 1 : 2;

   413

   414

		/* Three forms, special case for numbers ending in 1[2-9]

   415

		 * Used in:

   416

		 *   Lithuanian */

   417

		case 5:

   418

			return n % 10 == 1 && n % 100 != 11 ? 0 : n % 10 >= 2 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;

   419

   420

		/* Three forms, special cases for numbers ending in 1 and 2, 3, 4, except those ending in 1[1-4]

   421

		 * Used in:

   422

		 *   Croatian, Czech, Russian, Slovak, Ukrainian */

   423

		case 6:

   424

			return n % 10 == 1 && n % 100 != 11 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;

   425

   426

		/* Three forms, special case for one and some numbers ending in 2, 3, or 4

   427

		 * Used in:

   428

		 *   Polish */

   429

		case 7:

   430

			return n == 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 1 : 2;

   431

   432

		/* Four forms, special case for one and all numbers ending in 02, 03, or 04

   433

		 * Used in:

   434

		 *   Slovenian */

   435

		case 8:

   436

			return n % 100 == 1 ? 0 : n % 100 == 2 ? 1 : n % 100 == 3 || n % 100 == 4 ? 2 : 3;

   437

   438

		/* Two forms; singular used for everything ending in 1 but not in 11.

   439

		 * Used in:

   440

		 *   Icelandic */

   441

		case 9:

   442

			return n % 10 == 1 && n % 100 != 11 ? 0 : 1;

   443

	}

   444

}

   445

   446

static const char *ParseStringChoice(const char *b, uint form, char *dst, int *dstlen)

   447

{

   448

	//<NUM> {Length of each string} {each string}

   449

	uint n = (byte)*b++;

   450

	uint pos, i, mylen = 0, mypos = 0;

   451

   452

	for (i = pos = 0; i != n; i++) {

   453

		uint len = (byte)*b++;

   454

		if (i == form) {

   455

			mypos = pos;

   456

			mylen = len;

   457

		}

   458

		pos += len;

   459

	}

   460

	*dstlen = mylen;

   461

	memcpy(dst, b + mypos, mylen);

   462

	return b + pos;

   463

}

   464

   465

struct Units {

   466

	int s_m;           ///< Multiplier for velocity

   467

	int s_s;           ///< Shift for velocity

   468

	StringID velocity; ///< String for velocity

   469

	int p_m;           ///< Multiplier for power

   470

	int p_s;           ///< Shift for power

   471

	StringID power;    ///< String for velocity

   472

	int w_m;           ///< Multiplier for weight

   473

	int w_s;           ///< Shift for weight

   474

	StringID s_weight; ///< Short string for weight

   475

	StringID l_weight; ///< Long string for weight

   476

	int v_m;           ///< Multiplier for volume

   477

	int v_s;           ///< Shift for volume

   478

	StringID s_volume; ///< Short string for volume

   479

	StringID l_volume; ///< Long string for volume

   480

	int f_m;           ///< Multiplier for force

   481

	int f_s;           ///< Shift for force

   482

	StringID force;    ///< String for force

   483

};

   484

   485

/* Unit conversions */

   486

static const Units units[] = {