# strgen.cpp

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    00001 /* $Id: strgen.cpp 16273 2009-05-10 21:33:55Z rubidium $ */
    00002
    00005 #include "../stdafx.h"
    00006 #include "../core/alloc_func.hpp"
    00007 #include "../core/endian_func.hpp"
    00008 #include "../string_func.h"
    00009 #include "../strings_type.h"
    00010 #include "strgen.h"
    00011 #include "../table/control_codes.h"
    00012
    00013 #include <stdio.h>
    00014 #include <string.h>
    00015 #include <stdlib.h>
    00016 #include <stdarg.h>
    00017
    00018 #if (!defined(WIN32) && !defined(WIN64)) || defined(__CYGWIN__)
    00019 #include <unistd.h>
    00020 #include <sys/types.h>
    00021 #include <sys/stat.h>
    00022 #endif
    00023
    00024 #if defined WIN32 || defined __WATCOMC__
    00025 #include <direct.h>
    00026 #endif /* WIN32 || __WATCOMC__ */
    00027
    00028 #ifdef __MORPHOS__
    00029 #ifdef stderr
    00030 #undef stderr
    00031 #endif
    00032 #define stderr stdout
    00033 #endif /* __MORPHOS__ */
    00034
    00035 /* Compiles a list of strings into a compiled string list */
    00036
    00037 typedef void (*ParseCmdProc)(char *buf, int value);
    00038
    00039 struct CmdStruct {
    00040   const char *cmd;
    00041   ParseCmdProc proc;
    00042   long value;
    00043   int8 consumes;
    00044   byte flags;
    00045 };
    00046
    00047 enum {
    00048   C_DONTCOUNT = 1,
    00049   C_CASE      = 2,
    00050 };
    00051
    00052
    00053 struct Case {
    00054   int caseidx;
    00055   char *string;
    00056   Case *next;
    00057 };
    00058
    00059 static bool _masterlang;
    00060 static bool _translated;
    00061 static const char *_file = "(unknown file)";
    00062 static int _cur_line;
    00063 static int _errors, _warnings, _show_todo;
    00064
    00065 struct LangString {
    00066   char *name;            // Name of the string
    00067   char *english;         // English text
    00068   char *translated;      // Translated text
    00069   uint16 hash_next;      // next hash entry
    00070   uint16 index;
    00071   int line;              // line of string in source-file
    00072   Case *english_case;    // cases for english
    00073   Case *translated_case; // cases for foreign
    00074 };
    00075
    00076 static LangString *_strings[65536];
    00077
    00078
    00079 #define HASH_SIZE 32767
    00080 static uint16 _hash_head[HASH_SIZE];
    00081
    00082 static byte _put_buf[4096];
    00083 static int _put_pos;
    00084 static int _next_string_id;
    00085
    00086 static uint32 _hash;
    00087 static char _lang_name[32], _lang_ownname[32], _lang_isocode[16];
    00088 static byte _lang_pluralform;
    00089 static byte _lang_textdir;
    00090 static uint16 _lang_winlangid;
    00091 static uint8 _lang_newgrflangid;
    00092 #define MAX_NUM_GENDER 8
    00093 static char _genders[MAX_NUM_GENDER][16];
    00094 static uint _numgenders;
    00095
    00096 /* contains the name of all cases. */
    00097 #define MAX_NUM_CASES 50
    00098 static char _cases[MAX_NUM_CASES][16];
    00099 static uint _numcases;
    00100
    00101 /* for each plural value, this is the number of plural forms. */
    00102 static const byte _plural_form_counts[] = { 2, 1, 2, 3, 3, 3, 3, 3, 4, 2, 3 };
    00103
    00104 static const char *_cur_ident;
    00105
    00106 struct CmdPair {
    00107   const CmdStruct *a;
    00108   const char *v;
    00109 };
    00110
    00111 struct ParsedCommandStruct {
    00112   uint np;
    00113   CmdPair pairs[32];
    00114   const CmdStruct *cmd[32]; // ordered by param #
    00115 };
    00116
    00117 /* Used when generating some advanced commands. */
    00118 static ParsedCommandStruct _cur_pcs;
    00119 static int _cur_argidx;
    00120
    00121 static uint HashStr(const char *s)
    00122 {
    00123   uint hash = 0;
    00124   for (; *s != '\0'; s++) hash = ROL(hash, 3) ^ *s;
    00125   return hash % HASH_SIZE;
    00126 }
    00127
    00128 static void HashAdd(const char *s, LangString *ls)
    00129 {
    00130   uint hash = HashStr(s);
    00131   ls->hash_next = _hash_head[hash];
    00132   _hash_head[hash] = ls->index + 1;
    00133 }
    00134
    00135 static LangString *HashFind(const char *s)
    00136 {
    00137   int idx = _hash_head[HashStr(s)];
    00138
    00139   while (--idx >= 0) {
    00140     LangString *ls = _strings[idx];
    00141
    00142     if (strcmp(ls->name, s) == 0) return ls;
    00143     idx = ls->hash_next;
    00144   }
    00145   return NULL;
    00146 }
    00147
    00148 #ifdef _MSC_VER
    00149 # define LINE_NUM_FMT "(%d)"
    00150 #else
    00151 # define LINE_NUM_FMT ":%d"
    00152 #endif
    00153
    00154 static void CDECL strgen_warning(const char *s, ...) WARN_FORMAT(1, 2);
    00155
    00156 static void CDECL strgen_warning(const char *s, ...)
    00157 {
    00158   char buf[1024];
    00159   va_list va;
    00160   va_start(va, s);
    00161   vsnprintf(buf, lengthof(buf), s, va);
    00162   va_end(va);
    00163   fprintf(stderr, "%s" LINE_NUM_FMT ": warning: %s\n", _file, _cur_line, buf);
    00164   _warnings++;
    00165 }
    00166
    00167 static void CDECL strgen_error(const char *s, ...) WARN_FORMAT(1, 2);
    00168
    00169 static void CDECL strgen_error(const char *s, ...)
    00170 {
    00171   char buf[1024];
    00172   va_list va;
    00173   va_start(va, s);
    00174   vsnprintf(buf, lengthof(buf), s, va);
    00175   va_end(va);
    00176   fprintf(stderr, "%s" LINE_NUM_FMT ": error: %s\n", _file, _cur_line, buf);
    00177   _errors++;
    00178 }
    00179
    00180 void NORETURN CDECL error(const char *s, ...)
    00181 {
    00182   char buf[1024];
    00183   va_list va;
    00184   va_start(va, s);
    00185   vsnprintf(buf, lengthof(buf), s, va);
    00186   va_end(va);
    00187   fprintf(stderr, "%s" LINE_NUM_FMT ": FATAL: %s\n", _file, _cur_line, buf);
    00188   exit(1);
    00189 }
    00190
    00191 static void PutByte(byte c)
    00192 {
    00193   if (_put_pos == lengthof(_put_buf)) error("Put buffer too small");
    00194   _put_buf[_put_pos++] = c;
    00195 }
    00196
    00197
    00198 static void PutUtf8(uint32 value)
    00199 {
    00200   if (value < 0x80) {
    00201     PutByte(value);
    00202   } else if (value < 0x800) {
    00203     PutByte(0xC0 + GB(value,  6, 5));
    00204     PutByte(0x80 + GB(value,  0, 6));
    00205   } else if (value < 0x10000) {
    00206     PutByte(0xE0 + GB(value, 12, 4));
    00207     PutByte(0x80 + GB(value,  6, 6));
    00208     PutByte(0x80 + GB(value,  0, 6));
    00209   } else if (value < 0x110000) {
    00210     PutByte(0xF0 + GB(value, 18, 3));
    00211     PutByte(0x80 + GB(value, 12, 6));
    00212     PutByte(0x80 + GB(value,  6, 6));
    00213     PutByte(0x80 + GB(value,  0, 6));
    00214   } else {
    00215     strgen_warning("Invalid unicode value U+0x%X", value);
    00216   }
    00217 }
    00218
    00219
    00220 size_t Utf8Validate(const char *s)
    00221 {
    00222   uint32 c;
    00223
    00224   if (!HasBit(s[0], 7)) {
    00225     /* 1 byte */
    00226     return 1;
    00227   } else if (GB(s[0], 5, 3) == 6 && IsUtf8Part(s[1])) {
    00228     /* 2 bytes */
    00229     c = GB(s[0], 0, 5) << 6 | GB(s[1], 0, 6);
    00230     if (c >= 0x80) return 2;
    00231   } else if (GB(s[0], 4, 4) == 14 && IsUtf8Part(s[1]) && IsUtf8Part(s[2])) {
    00232     /* 3 bytes */
    00233     c = GB(s[0], 0, 4) << 12 | GB(s[1], 0, 6) << 6 | GB(s[2], 0, 6);
    00234     if (c >= 0x800) return 3;
    00235   } else if (GB(s[0], 3, 5) == 30 && IsUtf8Part(s[1]) && IsUtf8Part(s[2]) && IsUtf8Part(s[3])) {
    00236     /* 4 bytes */
    00237     c = GB(s[0], 0, 3) << 18 | GB(s[1], 0, 6) << 12 | GB(s[2], 0, 6) << 6 | GB(s[3], 0, 6);
    00238     if (c >= 0x10000 && c <= 0x10FFFF) return 4;
    00239   }
    00240
    00241   return 0;
    00242 }
    00243
    00244
    00245 static void EmitSingleChar(char *buf, int value)
    00246 {
    00247   if (*buf != '\0') strgen_warning("Ignoring trailing letters in command");
    00248   PutUtf8(value);
    00249 }
    00250
    00251
    00252 static void EmitSetX(char *buf, int value)
    00253 {
    00254   char *err;
    00255   int x = strtol(buf, &err, 0);
    00256   if (*err != 0) error("SetX param invalid");
    00257   PutUtf8(SCC_SETX);
    00258   PutByte((byte)x);
    00259 }
    00260
    00261
    00262 static void EmitSetXY(char *buf, int value)
    00263 {
    00264   char *err;
    00265   int x;
    00266   int y;
    00267
    00268   x = strtol(buf, &err, 0);
    00269   if (*err != ' ') error("SetXY param invalid");
    00270   y = strtol(err + 1, &err, 0);
    00271   if (*err != 0) error("SetXY param invalid");
    00272
    00273   PutUtf8(SCC_SETXY);
    00274   PutByte((byte)x);
    00275   PutByte((byte)y);
    00276 }
    00277
    00278 /* The plural specifier looks like
    00279  * {NUM} {PLURAL -1 passenger passengers} then it picks either passenger/passengers depending on the count in NUM */
    00280
    00281 /* This is encoded like
    00282  *  CommandByte <ARG#> <NUM> {Length of each string} {each string} */
    00283
    00284 bool ParseRelNum(char **buf, int *value)
    00285 {
    00286   const char *s = *buf;
    00287   char *end;
    00288   bool rel = false;
    00289   int v;
    00290
    00291   while (*s == ' ' || *s == '\t') s++;
    00292   if (*s == '+') {
    00293     rel = true;
    00294     s++;
    00295   }
    00296   v = strtol(s, &end, 0);
    00297   if (end == s) return false;
    00298   if (rel || v < 0) {
    00299     *value += v;
    00300   } else {
    00301     *value = v;
    00302   }
    00303   *buf = end;
    00304   return true;
    00305 }
    00306
    00307 /* Parse out the next word, or NULL */
    00308 char *ParseWord(char **buf)
    00309 {
    00310   char *s = *buf, *r;
    00311
    00312   while (*s == ' ' || *s == '\t') s++;
    00313   if (*s == '\0') return NULL;
    00314
    00315   if (*s == '"') {
    00316     r = ++s;
    00317     /* parse until next " or NUL */
    00318     for (;;) {
    00319       if (*s == '\0') break;
    00320       if (*s == '"') {
    00321         *s++ = '\0';
    00322         break;
    00323       }
    00324       s++;
    00325     }
    00326   } else {
    00327     /* proceed until whitespace or NUL */
    00328     r = s;
    00329     for (;;) {
    00330       if (*s == '\0') break;
    00331       if (*s == ' ' || *s == '\t') {
    00332         *s++ = '\0';
    00333         break;
    00334       }
    00335       s++;
    00336     }
    00337   }
    00338   *buf = s;
    00339   return r;
    00340 }
    00341
    00342 /* Forward declaration */
    00343 static int TranslateArgumentIdx(int arg);
    00344
    00345 static void EmitWordList(const char * const *words, uint nw)
    00346 {
    00347   uint i;
    00348   uint j;
    00349
    00350   PutByte(nw);
    00351   for (i = 0; i < nw; i++) PutByte(strlen(words[i]));
    00352   for (i = 0; i < nw; i++) {
    00353     for (j = 0; words[i][j] != '\0'; j++) PutByte(words[i][j]);
    00354   }
    00355 }
    00356
    00357 static void EmitPlural(char *buf, int value)
    00358 {
    00359   int argidx = _cur_argidx;
    00360   const char *words[5];
    00361   int nw = 0;
    00362
    00363   /* Parse out the number, if one exists. Otherwise default to prev arg. */
    00364   if (!ParseRelNum(&buf, &argidx)) argidx--;
    00365
    00366   /* Parse each string */
    00367   for (nw = 0; nw < 5; nw++) {
    00368     words[nw] = ParseWord(&buf);
    00369     if (words[nw] == NULL) break;
    00370   }
    00371
    00372   if (nw == 0)
    00373     error("%s: No plural words", _cur_ident);
    00374
    00375   if (_plural_form_counts[_lang_pluralform] != nw) {
    00376     if (_translated) {
    00377       error("%s: Invalid number of plural forms. Expecting %d, found %d.", _cur_ident,
    00378         _plural_form_counts[_lang_pluralform], nw);
    00379     } else {
    00380       if ((_show_todo & 2) != 0) strgen_warning("'%s' is untranslated. Tweaking english string to allow compilation for plural forms", _cur_ident);
    00381       if (nw > _plural_form_counts[_lang_pluralform]) {
    00382         nw = _plural_form_counts[_lang_pluralform];
    00383       } else {
    00384         for (; nw < _plural_form_counts[_lang_pluralform]; nw++) {
    00385           words[nw] = words[nw - 1];
    00386         }
    00387       }
    00388     }
    00389   }
    00390
    00391   PutUtf8(SCC_PLURAL_LIST);
    00392   PutByte(TranslateArgumentIdx(argidx));
    00393   EmitWordList(words, nw);
    00394 }
    00395
    00396
    00397 static void EmitGender(char *buf, int value)
    00398 {
    00399   int argidx = _cur_argidx;
    00400   uint nw;
    00401
    00402   if (buf[0] == '=') {
    00403     buf++;
    00404
    00405     /* This is a {G=DER} command */
    00406     for (nw = 0; ; nw++) {
    00407       if (nw >= 8) error("G argument '%s' invalid", buf);
    00408       if (strcmp(buf, _genders[nw]) == 0) break;
    00409     }
    00410     /* now nw contains the gender index */
    00411     PutUtf8(SCC_GENDER_INDEX);
    00412     PutByte(nw);
    00413   } else {
    00414     const char *words[8];
    00415
    00416     /* This is a {G 0 foo bar two} command.
    00417      * If no relative number exists, default to +0 */
    00418     if (!ParseRelNum(&buf, &argidx)) {}
    00419
    00420     for (nw = 0; nw < 8; nw++) {
    00421       words[nw] = ParseWord(&buf);
    00422       if (words[nw] == NULL) break;
    00423     }
    00424     if (nw != _numgenders) error("Bad # of arguments for gender command");
    00425     PutUtf8(SCC_GENDER_LIST);
    00426     PutByte(TranslateArgumentIdx(argidx));
    00427     EmitWordList(words, nw);
    00428   }
    00429 }
    00430
    00431
    00432 static const CmdStruct _cmd_structs[] = {
    00433   /* Update position */
    00434   {"SETX",  EmitSetX,  SCC_SETX,  0, 0},
    00435   {"SETXY", EmitSetXY, SCC_SETXY, 0, 0},
    00436
    00437   /* Font size */
    00438   {"TINYFONT", EmitSingleChar, SCC_TINYFONT, 0, 0},
    00439   {"BIGFONT",  EmitSingleChar, SCC_BIGFONT,  0, 0},
    00440
    00441   /* Colors */
    00442   {"BLUE",    EmitSingleChar, SCC_BLUE,    0, 0},
    00443   {"SILVER",  EmitSingleChar, SCC_SILVER,  0, 0},
    00444   {"GOLD",    EmitSingleChar, SCC_GOLD,    0, 0},
    00445   {"RED",     EmitSingleChar, SCC_RED,     0, 0},
    00446   {"PURPLE",  EmitSingleChar, SCC_PURPLE,  0, 0},
    00447   {"LTBROWN", EmitSingleChar, SCC_LTBROWN, 0, 0},
    00448   {"ORANGE",  EmitSingleChar, SCC_ORANGE,  0, 0},
    00449   {"GREEN",   EmitSingleChar, SCC_GREEN,   0, 0},
    00450   {"YELLOW",  EmitSingleChar, SCC_YELLOW,  0, 0},
    00451   {"DKGREEN", EmitSingleChar, SCC_DKGREEN, 0, 0},
    00452   {"CREAM",   EmitSingleChar, SCC_CREAM,   0, 0},
    00453   {"BROWN",   EmitSingleChar, SCC_BROWN,   0, 0},
    00454   {"WHITE",   EmitSingleChar, SCC_WHITE,   0, 0},
    00455   {"LTBLUE",  EmitSingleChar, SCC_LTBLUE,  0, 0},
    00456   {"GRAY",    EmitSingleChar, SCC_GRAY,    0, 0},
    00457   {"DKBLUE",  EmitSingleChar, SCC_DKBLUE,  0, 0},
    00458   {"BLACK",   EmitSingleChar, SCC_BLACK,   0, 0},
    00459
    00460   {"CURRCOMPACT",   EmitSingleChar, SCC_CURRENCY_COMPACT,    1, 0}, // compact currency
    00461   {"REV",           EmitSingleChar, SCC_REVISION,            0, 0}, // openttd revision string
    00462   {"SHORTCARGO",    EmitSingleChar, SCC_CARGO_SHORT,         2, 0}, // short cargo description, only ### tons, or ### litres
    00463
    00464   {"STRING1", EmitSingleChar, SCC_STRING1, 2, C_CASE}, // included string that consumes the string id and ONE argument
    00465   {"STRING2", EmitSingleChar, SCC_STRING2, 3, C_CASE}, // included string that consumes the string id and TWO arguments
    00466   {"STRING3", EmitSingleChar, SCC_STRING3, 4, C_CASE}, // included string that consumes the string id and THREE arguments
    00467   {"STRING4", EmitSingleChar, SCC_STRING4, 5, C_CASE}, // included string that consumes the string id and FOUR arguments
    00468   {"STRING5", EmitSingleChar, SCC_STRING5, 6, C_CASE}, // included string that consumes the string id and FIVE arguments
    00469
    00470   {"STATIONFEATURES", EmitSingleChar, SCC_STATION_FEATURES, 1, 0}, // station features string, icons of the features
    00471   {"INDUSTRY",        EmitSingleChar, SCC_INDUSTRY_NAME,    1, 0}, // industry, takes an industry #
    00472   {"CARGO",           EmitSingleChar, SCC_CARGO,            2, 0},
    00473   {"POWER",           EmitSingleChar, SCC_POWER,            1, 0},
    00474   {"VOLUME",          EmitSingleChar, SCC_VOLUME,           1, 0},
    00475   {"VOLUME_S",        EmitSingleChar, SCC_VOLUME_SHORT,     1, 0},
    00476   {"WEIGHT",          EmitSingleChar, SCC_WEIGHT,           1, 0},
    00477   {"WEIGHT_S",        EmitSingleChar, SCC_WEIGHT_SHORT,     1, 0},
    00478   {"FORCE",           EmitSingleChar, SCC_FORCE,            1, 0},
    00479   {"VELOCITY",        EmitSingleChar, SCC_VELOCITY,         1, 0},
    00480
    00481   {"P", EmitPlural, 0, 0, C_DONTCOUNT}, // plural specifier
    00482   {"G", EmitGender, 0, 0, C_DONTCOUNT}, // gender specifier
    00483
    00484   {"DATE_TINY",  EmitSingleChar, SCC_DATE_TINY, 1, 0},
    00485   {"DATE_SHORT", EmitSingleChar, SCC_DATE_SHORT, 1, 0},
    00486   {"DATE_LONG",  EmitSingleChar, SCC_DATE_LONG, 1, 0},
    00487   {"DATE_ISO",   EmitSingleChar, SCC_DATE_ISO, 1, 0},
    00488
    00489   {"SKIP", EmitSingleChar, SCC_SKIP, 1, 0},
    00490
    00491   {"STRING", EmitSingleChar, SCC_STRING, 1, C_CASE},
    00492   {"RAW_STRING", EmitSingleChar, SCC_RAW_STRING_POINTER, 1, 0},
    00493
    00494   /* Numbers */
    00495   {"COMMA", EmitSingleChar, SCC_COMMA, 1, 0}, // Number with comma
    00496   {"NUM",   EmitSingleChar, SCC_NUM,   1, 0}, // Signed number
    00497   {"BYTES", EmitSingleChar, SCC_BYTES, 1, 0}, // Unsigned number with "bytes", i.e. "1.02 MiB or 123 KiB"
    00498
    00499   {"CURRENCY",   EmitSingleChar, SCC_CURRENCY,    1, 0},
    00500
    00501   {"WAYPOINT", EmitSingleChar, SCC_WAYPOINT_NAME, 1, 0}, // waypoint name
    00502   {"STATION",  EmitSingleChar, SCC_STATION_NAME,  1, 0},
    00503   {"TOWN",     EmitSingleChar, SCC_TOWN_NAME,     1, 0},
    00504   {"GROUP",    EmitSingleChar, SCC_GROUP_NAME,    1, 0},
    00505   {"SIGN",     EmitSingleChar, SCC_SIGN_NAME,     1, 0},
    00506   {"ENGINE",   EmitSingleChar, SCC_ENGINE_NAME,   1, 0},
    00507   {"VEHICLE",  EmitSingleChar, SCC_VEHICLE_NAME,  1, 0},
    00508   {"COMPANY",  EmitSingleChar, SCC_COMPANY_NAME,  1, 0},
    00509   {"COMPANYNUM", EmitSingleChar, SCC_COMPANY_NUM, 1, 0},
    00510   {"PRESIDENTNAME", EmitSingleChar, SCC_PRESIDENT_NAME, 1, 0},
    00511
    00512   // 0x9D is used for the pseudo command SETCASE
    00513   // 0x9E is used for case switching
    00514
    00515   {"",               EmitSingleChar, '\n',               0, C_DONTCOUNT},
    00516   {"{",              EmitSingleChar, '{',                0, C_DONTCOUNT},
    00517   {"UPARROW",        EmitSingleChar, SCC_UPARROW,        0, 0},
    00518   {"SMALLUPARROW",   EmitSingleChar, SCC_SMALLUPARROW,   0, 0},
    00519   {"SMALLDOWNARROW", EmitSingleChar, SCC_SMALLDOWNARROW, 0, 0},
    00520   {"TRAIN",          EmitSingleChar, SCC_TRAIN,          0, 0},
    00521   {"LORRY",          EmitSingleChar, SCC_LORRY,          0, 0},
    00522   {"BUS",            EmitSingleChar, SCC_BUS,            0, 0},
    00523   {"PLANE",          EmitSingleChar, SCC_PLANE,          0, 0},
    00524   {"SHIP",           EmitSingleChar, SCC_SHIP,           0, 0},
    00525   {"NBSP",           EmitSingleChar, 0xA0,               0, C_DONTCOUNT},
    00526   {"CENT",           EmitSingleChar, 0xA2,               0, C_DONTCOUNT},
    00527   {"POUNDSIGN",      EmitSingleChar, 0xA3,               0, C_DONTCOUNT},
    00528   {"EURO",           EmitSingleChar, 0x20AC,             0, C_DONTCOUNT},
    00529   {"YENSIGN",        EmitSingleChar, 0xA5,               0, C_DONTCOUNT},
    00530   {"COPYRIGHT",      EmitSingleChar, 0xA9,               0, C_DONTCOUNT},
    00531   {"DOWNARROW",      EmitSingleChar, SCC_DOWNARROW,      0, C_DONTCOUNT},
    00532   {"CHECKMARK",      EmitSingleChar, SCC_CHECKMARK,      0, C_DONTCOUNT},
    00533   {"CROSS",          EmitSingleChar, SCC_CROSS,          0, C_DONTCOUNT},
    00534   {"REGISTERED",     EmitSingleChar, 0xAE,               0, C_DONTCOUNT},
    00535   {"RIGHTARROW",     EmitSingleChar, SCC_RIGHTARROW,     0, C_DONTCOUNT},
    00536   {"SMALLLEFTARROW", EmitSingleChar, SCC_LESSTHAN,       0, C_DONTCOUNT},
    00537   {"SMALLRIGHTARROW",EmitSingleChar, SCC_GREATERTHAN,    0, C_DONTCOUNT},
    00538
    00539   /* The following are directional formatting codes used to get the RTL strings right:
    00540    * http://www.unicode.org/unicode/reports/tr9/#Directional_Formatting_Codes */
    00541   {"LRM",            EmitSingleChar, 0x200E,             0, C_DONTCOUNT},
    00542   {"RLM",            EmitSingleChar, 0x200F,             0, C_DONTCOUNT},
    00543   {"LRE",            EmitSingleChar, 0x202A,             0, C_DONTCOUNT},
    00544   {"RLE",            EmitSingleChar, 0x202B,             0, C_DONTCOUNT},
    00545   {"LRO",            EmitSingleChar, 0x202D,             0, C_DONTCOUNT},
    00546   {"RLO",            EmitSingleChar, 0x202E,             0, C_DONTCOUNT},
    00547   {"PDF",            EmitSingleChar, 0x202C,             0, C_DONTCOUNT},
    00548 };
    00549
    00550
    00551 static const CmdStruct *FindCmd(const char *s, int len)
    00552 {
    00553   const CmdStruct *cs;
    00554
    00555   for (cs = _cmd_structs; cs != endof(_cmd_structs); cs++) {
    00556     if (strncmp(cs->cmd, s, len) == 0 && cs->cmd[len] == '\0') return cs;
    00557   }
    00558   return NULL;
    00559 }
    00560
    00561 static uint ResolveCaseName(const char *str, uint len)
    00562 {
    00563   uint i;
    00564
    00565   for (i = 0; i < MAX_NUM_CASES; i++) {
    00566     if (memcmp(_cases[i], str, len) == 0 && _cases[i][len] == 0) return i + 1;
    00567   }
    00568   error("Invalid case-name '%s'", str);
    00569 }
    00570
    00571
    00572 /* returns NULL on eof
    00573  * else returns command struct */
    00574 static const CmdStruct *ParseCommandString(const char **str, char *param, int *argno, int *casei)
    00575 {
    00576   const char *s = *str, *start;
    00577   const CmdStruct *cmd;
    00578   byte c;
    00579
    00580   *argno = -1;
    00581   *casei = -1;
    00582
    00583   /* Scan to the next command, exit if there's no next command. */
    00584   for (; *s != '{'; s++) {
    00585     if (*s == '\0') return NULL;
    00586   }
    00587   s++; // Skip past the {
    00588
    00589   if (*s >= '0' && *s <= '9') {
    00590     char *end;
    00591
    00592     *argno = strtoul(s, &end, 0);
    00593     if (*end != ':') error("missing arg #");
    00594     s = end + 1;
    00595   }
    00596
    00597   /* parse command name */
    00598   start = s;
    00599   do {
    00600     c = *s++;
    00601   } while (c != '}' && c != ' ' && c != '=' && c != '.' && c != 0);
    00602
    00603   cmd = FindCmd(start, s - start - 1);
    00604   if (cmd == NULL) {
    00605     strgen_error("Undefined command '%.*s'", (int)(s - start - 1), start);
    00606     return NULL;
    00607   }
    00608
    00609   if (c == '.') {
    00610     const char *casep = s;
    00611
    00612     if (!(cmd->flags & C_CASE))
    00613       error("Command '%s' can't have a case", cmd->cmd);
    00614
    00615     do c = *s++; while (c != '}' && c != ' ' && c != '\0');
    00616     *casei = ResolveCaseName(casep, s - casep - 1);
    00617   }
    00618
    00619   if (c == '\0') {
    00620     strgen_error("Missing } from command '%s'", start);
    00621     return NULL;
    00622   }
    00623
    00624
    00625   if (c != '}') {
    00626     if (c == '=') s--;
    00627     /* copy params */
    00628     start = s;
    00629     for (;;) {
    00630       c = *s++;
    00631       if (c == '}') break;
    00632       if (c == '\0') {
    00633         strgen_error("Missing } from command '%s'", start);
    00634         return NULL;
    00635       }
    00636       if (s - start == 250) error("param command too long");
    00637       *param++ = c;
    00638     }
    00639   }
    00640   *param = '\0';
    00641
    00642   *str = s;
    00643
    00644   return cmd;
    00645 }
    00646
    00647
    00648 static void HandlePragma(char *str)
    00649 {
    00650   if (!memcmp(str, "id ", 3)) {
    00651     _next_string_id = strtoul(str + 3, NULL, 0);
    00652   } else if (!memcmp(str, "name ", 5)) {
    00653     strecpy(_lang_name, str + 5, lastof(_lang_name));
    00654   } else if (!memcmp(str, "ownname ", 8)) {
    00655     strecpy(_lang_ownname, str + 8, lastof(_lang_ownname));
    00656   } else if (!memcmp(str, "isocode ", 8)) {
    00657     strecpy(_lang_isocode, str + 8, lastof(_lang_isocode));
    00658   } else if (!memcmp(str, "plural ", 7)) {
    00659     _lang_pluralform = atoi(str + 7);
    00660     if (_lang_pluralform >= lengthof(_plural_form_counts))
    00661       error("Invalid pluralform %d", _lang_pluralform);
    00662   } else if (!memcmp(str, "textdir ", 8)) {
    00663     if (!memcmp(str + 8, "ltr", 3)) {
    00664       _lang_textdir = TD_LTR;
    00665     } else if (!memcmp(str + 8, "rtl", 3)) {
    00666       _lang_textdir = TD_RTL;
    00667     } else {
    00668       error("Invalid textdir %s", str + 8);
    00669     }
    00670   } else if (!memcmp(str, "winlangid ", 10)) {
    00671     const char *buf = str + 10;
    00672     long langid = strtol(buf, NULL, 16);
    00673     if (langid > UINT16_MAX || langid < 0) {
    00674       error("Invalid winlangid %s", buf);
    00675     }
    00676     _lang_winlangid = (uint16)langid;
    00677   } else if (!memcmp(str, "grflangid ", 10)) {
    00678     const char *buf = str + 10;
    00679     long langid = strtol(buf, NULL, 16);
    00680     if (langid >= 0x7F || langid < 0) {
    00681       error("Invalid grflangid %s", buf);
    00682     }
    00683     _lang_newgrflangid = (uint8)langid;
    00684   } else if (!memcmp(str, "gender ", 7)) {
    00685     char *buf = str + 7;
    00686
    00687     for (;;) {
    00688       const char *s = ParseWord(&buf);
    00689
    00690       if (s == NULL) break;
    00691       if (_numgenders >= MAX_NUM_GENDER) error("Too many genders, max %d", MAX_NUM_GENDER);
    00692       strecpy(_genders[_numgenders], s, lastof(_genders[_numgenders]));
    00693       _numgenders++;
    00694     }
    00695   } else if (!memcmp(str, "case ", 5)) {
    00696     char *buf = str + 5;
    00697
    00698     for (;;) {
    00699       const char *s = ParseWord(&buf);
    00700
    00701       if (s == NULL) break;
    00702       if (_numcases >= MAX_NUM_CASES) error("Too many cases, max %d", MAX_NUM_CASES);
    00703       strecpy(_cases[_numcases], s, lastof(_cases[_numcases]));
    00704       _numcases++;
    00705     }
    00706   } else {
    00707     error("unknown pragma '%s'", str);
    00708   }
    00709 }
    00710
    00711 static void ExtractCommandString(ParsedCommandStruct *p, const char *s, bool warnings)
    00712 {
    00713   char param[100];
    00714   int argno;
    00715   int argidx = 0;
    00716   int casei;
    00717
    00718   memset(p, 0, sizeof(*p));
    00719
    00720   for (;;) {
    00721     /* read until next command from a. */
    00722     const CmdStruct *ar = ParseCommandString(&s, param, &argno, &casei);
    00723
    00724     if (ar == NULL) break;
    00725
    00726     /* Sanity checking */
    00727     if (argno != -1 && ar->consumes == 0) error("Non consumer param can't have a paramindex");
    00728
    00729     if (ar->consumes) {
    00730       if (argno != -1) argidx = argno;
    00731       if (argidx < 0 || (uint)argidx >= lengthof(p->cmd)) error("invalid param idx %d", argidx);
    00732       if (p->cmd[argidx] != NULL && p->cmd[argidx] != ar) error("duplicate param idx %d", argidx);
    00733
    00734       p->cmd[argidx++] = ar;
    00735     } else if (!(ar->flags & C_DONTCOUNT)) { // Ignore some of them
    00736       if (p->np >= lengthof(p->pairs)) error("too many commands in string, max " PRINTF_SIZE, lengthof(p->pairs));
    00737       p->pairs[p->np].a = ar;
    00738       p->pairs[p->np].v = param[0] != '\0' ? strdup(param) : "";
    00739       p->np++;
    00740     }
    00741   }
    00742 }
    00743
    00744
    00745 static const CmdStruct *TranslateCmdForCompare(const CmdStruct *a)
    00746 {
    00747   if (a == NULL) return NULL;
    00748
    00749   if (strcmp(a->cmd, "STRING1") == 0 ||
    00750       strcmp(a->cmd, "STRING2") == 0 ||
    00751       strcmp(a->cmd, "STRING3") == 0 ||
    00752       strcmp(a->cmd, "STRING4") == 0 ||
    00753       strcmp(a->cmd, "STRING5") == 0 ||
    00754       strcmp(a->cmd, "RAW_STRING") == 0){
    00755     return FindCmd("STRING", 6);
    00756   }
    00757
    00758   if (strcmp(a->cmd, "SKIP") == 0) return NULL;
    00759
    00760   return a;
    00761 }
    00762
    00763
    00764 static bool CheckCommandsMatch(char *a, char *b, const char *name)
    00765 {
    00766   ParsedCommandStruct templ;
    00767   ParsedCommandStruct lang;
    00768   uint i, j;
    00769   bool result = true;
    00770
    00771   ExtractCommandString(&templ, b, true);
    00772   ExtractCommandString(&lang, a, true);
    00773
    00774   /* For each string in templ, see if we find it in lang */
    00775   if (templ.np != lang.np) {
    00776     strgen_warning("%s: template string and language string have a different # of commands", name);
    00777     result = false;
    00778   }
    00779
    00780   for (i = 0; i < templ.np; i++) {
    00781     /* see if we find it in lang, and zero it out */
    00782     bool found = false;
    00783     for (j = 0; j < lang.np; j++) {
    00784       if (templ.pairs[i].a == lang.pairs[j].a &&
    00785           strcmp(templ.pairs[i].v, lang.pairs[j].v) == 0) {
    00786         /* it was found in both. zero it out from lang so we don't find it again */
    00787         lang.pairs[j].a = NULL;
    00788         found = true;
    00789         break;
    00790       }
    00791     }
    00792
    00793     if (!found) {
    00794       strgen_warning("%s: command '%s' exists in template file but not in language file", name, templ.pairs[i].a->cmd);
    00795       result = false;
    00796     }
    00797   }
    00798
    00799   /* if we reach here, all non consumer commands match up.
    00800    * Check if the non consumer commands match up also. */
    00801   for (i = 0; i < lengthof(templ.cmd); i++) {
    00802     if (TranslateCmdForCompare(templ.cmd[i]) != TranslateCmdForCompare(lang.cmd[i])) {
    00803       strgen_warning("%s: Param idx #%d '%s' doesn't match with template command '%s'", name, i,
    00804         lang.cmd[i]  == NULL ? "<empty>" : lang.cmd[i]->cmd,
    00805         templ.cmd[i] == NULL ? "<empty>" : templ.cmd[i]->cmd);
    00806       result = false;
    00807     }
    00808   }
    00809
    00810   return result;
    00811 }
    00812
    00813 static void HandleString(char *str, bool master)
    00814 {
    00815   char *s, *t;
    00816   LangString *ent;
    00817   char *casep;
    00818
    00819   if (*str == '#') {
    00820     if (str[1] == '#' && str[2] != '#') HandlePragma(str + 2);
    00821     return;
    00822   }
    00823
    00824   /* Ignore comments & blank lines */
    00825   if (*str == ';' || *str == ' ' || *str == '\0') return;
    00826
    00827   s = strchr(str, ':');
    00828   if (s == NULL) {
    00829     strgen_error("Line has no ':' delimiter");
    00830     return;
    00831   }
    00832
    00833   /* Trim spaces.
    00834    * After this str points to the command name, and s points to the command contents */
    00835   for (t = s; t > str && (t[-1] == ' ' || t[-1] == '\t'); t--);
    00836   *t = 0;
    00837   s++;
    00838
    00839   /* Check string is valid UTF-8 */
    00840   {
    00841     const char *tmp;
    00842     for (tmp = s; *tmp != '\0';) {
    00843       size_t len = Utf8Validate(tmp);
    00844       if (len == 0) error("Invalid UTF-8 sequence in '%s'", s);
    00845       tmp += len;
    00846     }
    00847   }
    00848
    00849   /* Check if the string has a case..
    00850    * The syntax for cases is IDENTNAME.case */
    00851   casep = strchr(str, '.');
    00852   if (casep) *casep++ = 0;
    00853
    00854   /* Check if this string already exists.. */
    00855   ent = HashFind(str);
    00856
    00857   if (master) {
    00858     if (ent != NULL && casep == NULL) {
    00859       strgen_error("String name '%s' is used multiple times", str);
    00860       return;
    00861     }
    00862
    00863     if (ent == NULL && casep != NULL) {
    00864       strgen_error("Base string name '%s' doesn't exist yet. Define it before defining a case.", str);
    00865       return;
    00866     }
    00867
    00868     if (ent == NULL) {
    00869       if (_strings[_next_string_id]) {
    00870         strgen_error("String ID 0x%X for '%s' already in use by '%s'", _next_string_id, str, _strings[_next_string_id]->name);
    00871         return;
    00872       }
    00873
    00874       /* Allocate a new LangString */
    00875       ent = CallocT<LangString>(1);
    00876       _strings[_next_string_id] = ent;
    00877       ent->index = _next_string_id++;
    00878       ent->name = strdup(str);
    00879       ent->line = _cur_line;
    00880
    00881       HashAdd(str, ent);
    00882     }
    00883
    00884     if (casep != NULL) {
    00885       Case *c = MallocT<Case>(1);
    00886
    00887       c->caseidx = ResolveCaseName(casep, strlen(casep));
    00888       c->string = strdup(s);
    00889       c->next = ent->english_case;
    00890       ent->english_case = c;
    00891     } else {
    00892       ent->english = strdup(s);
    00893     }
    00894
    00895   } else {
    00896     if (ent == NULL) {
    00897       strgen_warning("String name '%s' does not exist in master file", str);
    00898       return;
    00899     }
    00900
    00901     if (ent->translated && casep == NULL) {
    00902       strgen_error("String name '%s' is used multiple times", str);
    00903       return;
    00904     }
    00905
    00906     if (s[0] == ':' && s[1] == '\0' && casep == NULL) {
    00907       /* Special syntax :: means we should just inherit the master string */
    00908       ent->translated = strdup(ent->english);
    00909     } else {
    00910       /* make sure that the commands match */
    00911       if (!CheckCommandsMatch(s, ent->english, str)) return;
    00912
    00913       if (casep != NULL) {
    00914         Case *c = MallocT<Case>(1);
    00915
    00916         c->caseidx = ResolveCaseName(casep, strlen(casep));
    00917         c->string = strdup(s);
    00918         c->next = ent->translated_case;
    00919         ent->translated_case = c;
    00920       } else {
    00921         ent->translated = strdup(s);
    00922       }
    00923     }
    00924   }
    00925 }
    00926
    00927
    00928 static void rstrip(char *buf)
    00929 {
    00930   int i = strlen(buf);
    00931   while (i > 0 && (buf[i - 1] == '\r' || buf[i - 1] == '\n' || buf[i - 1] == ' ')) i--;
    00932   buf[i] = '\0';
    00933 }
    00934
    00935
    00936 static void ParseFile(const char *file, bool english)
    00937 {
    00938   FILE *in;
    00939   char buf[2048];
    00940
    00941   _file = file;
    00942
    00943   /* For each new file we parse, reset the genders, and language codes */
    00944   _numgenders = 0;
    00945   _lang_name[0] = _lang_ownname[0] = _lang_isocode[0] = '\0';
    00946   _lang_textdir = TD_LTR;
    00947   _lang_winlangid = 0x0000; // neutral language code
    00948   _lang_newgrflangid = 0; // standard english
    00949   /* TODO:!! We can't reset the cases. In case the translated strings
    00950    * derive some strings from english.... */
    00951
    00952   in = fopen(file, "r");
    00953   if (in == NULL) error("Cannot open file");
    00954   _cur_line = 1;
    00955   while (fgets(buf, sizeof(buf), in) != NULL) {
    00956     rstrip(buf);
    00957     HandleString(buf, english);
    00958     _cur_line++;
    00959   }
    00960   fclose(in);
    00961
    00962   if (StrEmpty(_lang_name) || StrEmpty(_lang_ownname) || StrEmpty(_lang_isocode)) {
    00963     error("Language must include ##name, ##ownname and ##isocode");
    00964   }
    00965 }
    00966
    00967
    00968 static uint32 MyHashStr(uint32 hash, const char *s)
    00969 {
    00970   for (; *s != '\0'; s++) {
    00971     hash = ROL(hash, 3) ^ *s;
    00972     hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
    00973   }
    00974   return hash;
    00975 }
    00976
    00977
    00978 /* make a hash of the file to get a unique "version number" */
    00979 static void MakeHashOfStrings()
    00980 {
    00981   uint32 hash = 0;
    00982   uint i;
    00983
    00984   for (i = 0; i != lengthof(_strings); i++) {
    00985     const LangString *ls = _strings[i];
    00986
    00987     if (ls != NULL) {
    00988       const CmdStruct *cs;
    00989       const char *s;
    00990       char buf[256];
    00991       int argno;
    00992       int casei;
    00993
    00994       s = ls->name;
    00995       hash ^= i * 0x717239;
    00996       hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
    00997       hash = MyHashStr(hash, s + 1);
    00998
    00999       s = ls->english;
    01000       while ((cs = ParseCommandString(&s, buf, &argno, &casei)) != NULL) {
    01001         if (cs->flags & C_DONTCOUNT) continue;
    01002
    01003         hash ^= (cs - _cmd_structs) * 0x1234567;
    01004         hash = (hash & 1 ? hash >> 1 ^ 0xF00BAA4 : hash >> 1);
    01005       }
    01006     }
    01007   }
    01008   _hash = hash;
    01009 }
    01010
    01011
    01012 static uint CountInUse(uint grp)
    01013 {
    01014   int i;
    01015
    01016   for (i = 0x800; --i >= 0;) if (_strings[(grp << 11) + i] != NULL) break;
    01017   return i + 1;
    01018 }
    01019
    01020
    01021 bool CompareFiles(const char *n1, const char *n2)
    01022 {
    01023   FILE *f1, *f2;
    01024   char b1[4096];
    01025   char b2[4096];
    01026   size_t l1, l2;
    01027
    01028   f2 = fopen(n2, "rb");
    01029   if (f2 == NULL) return false;
    01030
    01031   f1 = fopen(n1, "rb");
    01032   if (f1 == NULL) error("can't open %s", n1);
    01033
    01034   do {
    01035     l1 = fread(b1, 1, sizeof(b1), f1);
    01036     l2 = fread(b2, 1, sizeof(b2), f2);
    01037
    01038     if (l1 != l2 || memcmp(b1, b2, l1)) {
    01039       fclose(f2);
    01040       fclose(f1);
    01041       return false;
    01042     }
    01043   } while (l1);
    01044
    01045   fclose(f2);
    01046   fclose(f1);
    01047   return true;
    01048 }
    01049
    01050
    01051 static void WriteStringsH(const char *filename)
    01052 {
    01053   FILE *out;
    01054   int i;
    01055   int next = -1;
    01056
    01057   out = fopen("tmp.xxx", "w");
    01058   if (out == NULL) error("can't open tmp.xxx");
    01059
    01060   fprintf(out, "/* This file is automatically generated. Do not modify */\n\n");
    01061   fprintf(out, "#ifndef TABLE_STRINGS_H\n");
    01062   fprintf(out, "#define TABLE_STRINGS_H\n");
    01063
    01064   for (i = 0; i != lengthof(_strings); i++) {
    01065     if (_strings[i] != NULL) {
    01066       if (next != i) fprintf(out, "\n");
    01067       fprintf(out, "static const StringID %s = 0x%X;\n", _strings[i]->name, i);
    01068       next = i + 1;
    01069     }
    01070   }
    01071
    01072   fprintf(out, "\nstatic const StringID STR_LAST_STRINGID = 0x%X;\n", next - 1);
    01073
    01074   fprintf(out,
    01075     "\nenum {\n"
    01076     "\tLANGUAGE_PACK_IDENT = 0x474E414C, // Big Endian value for 'LANG' (LE is 0x 4C 41 4E 47)\n"
    01077     "\tLANGUAGE_PACK_VERSION = 0x%X,\n"
    01078     "};\n", (uint)_hash
    01079   );
    01080
    01081   fprintf(out, "\n#endif /* TABLE_STRINGS_H */\n");
    01082
    01083   fclose(out);
    01084
    01085   if (CompareFiles("tmp.xxx", filename)) {
    01086     /* files are equal. tmp.xxx is not needed */
    01087     unlink("tmp.xxx");
    01088   } else {
    01089     /* else rename tmp.xxx into filename */
    01090 #if defined(WIN32) || defined(WIN64)
    01091     unlink(filename);
    01092 #endif
    01093     if (rename("tmp.xxx", filename) == -1) error("rename() failed");
    01094   }
    01095 }
    01096
    01097 static int TranslateArgumentIdx(int argidx)
    01098 {
    01099   int i, sum;
    01100
    01101   if (argidx < 0 || (uint)argidx >= lengthof(_cur_pcs.cmd))
    01102     error("invalid argidx %d", argidx);
    01103
    01104   for (i = sum = 0; i < argidx; i++) {
    01105     const CmdStruct *cs = _cur_pcs.cmd[i];
    01106     sum += (cs != NULL) ? cs->consumes : 1;
    01107   }
    01108
    01109   return sum;
    01110 }
    01111
    01112 static void PutArgidxCommand()
    01113 {
    01114   PutUtf8(SCC_ARG_INDEX);
    01115   PutByte(TranslateArgumentIdx(_cur_argidx));
    01116 }
    01117
    01118
    01119 static void PutCommandString(const char *str)
    01120 {
    01121   const CmdStruct *cs;
    01122   char param[256];
    01123   int argno;
    01124   int casei;
    01125
    01126   _cur_argidx = 0;
    01127
    01128   while (*str != '\0') {
    01129     /* Process characters as they are until we encounter a { */
    01130     if (*str != '{') {
    01131       PutByte(*str++);
    01132       continue;
    01133     }
    01134     cs = ParseCommandString(&str, param, &argno, &casei);
    01135     if (cs == NULL) break;
    01136
    01137     if (casei != -1) {
    01138       PutUtf8(SCC_SETCASE); // {SETCASE}
    01139       PutByte(casei);
    01140     }
    01141
    01142     /* For params that consume values, we need to handle the argindex properly */
    01143     if (cs->consumes > 0) {
    01144       /* Check if we need to output a move-param command */
    01145       if (argno != -1 && argno != _cur_argidx) {
    01146         _cur_argidx = argno;
    01147         PutArgidxCommand();
    01148       }
    01149
    01150       /* Output the one from the master string... it's always accurate. */
    01151       cs = _cur_pcs.cmd[_cur_argidx++];
    01152       if (cs == NULL) {
    01153         error("%s: No argument exists at position %d", _cur_ident, _cur_argidx - 1);
    01154       }
    01155     }
    01156
    01157     cs->proc(param, cs->value);
    01158   }
    01159 }
    01160
    01161 static void WriteLength(FILE *f, uint length)
    01162 {
    01163   if (length < 0xC0) {
    01164     fputc(length, f);
    01165   } else if (length < 0x4000) {
    01166     fputc((length >> 8) | 0xC0, f);
    01167     fputc(length & 0xFF, f);
    01168   } else {
    01169     error("string too long");
    01170   }
    01171 }
    01172
    01173
    01174 static void WriteLangfile(const char *filename)
    01175 {
    01176   FILE *f;
    01177   uint in_use[32];
    01178   LanguagePackHeader hdr;
    01179   uint i;
    01180   uint j;
    01181
    01182   f = fopen(filename, "wb");
    01183   if (f == NULL) error("can't open %s", filename);
    01184
    01185   memset(&hdr, 0, sizeof(hdr));
    01186   for (i = 0; i != 32; i++) {
    01187     uint n = CountInUse(i);
    01188
    01189     in_use[i] = n;
    01190     hdr.offsets[i] = TO_LE16(n);
    01191   }
    01192
    01193   /* see line 655: fprintf(..."\tLANGUAGE_PACK_IDENT = 0x474E414C,...) */
    01194   hdr.ident = TO_LE32(0x474E414C); // Big Endian value for 'LANG'
    01195   hdr.version = TO_LE32(_hash);
    01196   hdr.plural_form = _lang_pluralform;
    01197   hdr.text_dir = _lang_textdir;
    01198   hdr.winlangid = TO_LE16(_lang_winlangid);
    01199   hdr.newgrflangid = _lang_newgrflangid;
    01200   strecpy(hdr.name, _lang_name, lastof(hdr.name));
    01201   strecpy(hdr.own_name, _lang_ownname, lastof(hdr.own_name));
    01202   strecpy(hdr.isocode, _lang_isocode, lastof(hdr.isocode));
    01203
    01204   fwrite(&hdr, sizeof(hdr), 1, f);
    01205
    01206   for (i = 0; i != 32; i++) {
    01207     for (j = 0; j != in_use[i]; j++) {
    01208       const LangString *ls = _strings[(i << 11) + j];
    01209       const Case *casep;
    01210       const char *cmdp;
    01211
    01212       /* For undefined strings, just set that it's an empty string */
    01213       if (ls == NULL) {
    01214         WriteLength(f, 0);
    01215         continue;
    01216       }
    01217
    01218       _cur_ident = ls->name;
    01219       _cur_line = ls->line;
    01220
    01221       /* Produce a message if a string doesn't have a translation. */
    01222       if (_show_todo > 0 && ls->translated == NULL) {
    01223         if ((_show_todo & 2) != 0) {
    01224           strgen_warning("'%s' is untranslated", ls->name);
    01225         }
    01226         if ((_show_todo & 1) != 0) {
    01227           const char *s = "<TODO> ";
    01228           while (*s != '\0') PutByte(*s++);
    01229         }
    01230       }
    01231
    01232       /* Extract the strings and stuff from the english command string */
    01233       ExtractCommandString(&_cur_pcs, ls->english, false);
    01234
    01235       if (ls->translated_case != NULL || ls->translated != NULL) {
    01236         casep = ls->translated_case;
    01237         cmdp = ls->translated;
    01238       } else {
    01239         casep = ls->english_case;
    01240         cmdp = ls->english;
    01241       }
    01242
    01243       _translated = _masterlang || (cmdp != ls->english);
    01244
    01245       if (casep != NULL) {
    01246         const Case *c;
    01247         uint num;
    01248
    01249         /* Need to output a case-switch.
    01250          * It has this format
    01251          * <0x9E> <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT>
    01252          * Each LEN is printed using 2 bytes in big endian order. */
    01253         PutUtf8(SCC_SWITCH_CASE);
    01254         /* Count the number of cases */
    01255         for (num = 0, c = casep; c; c = c->next) num++;
    01256         PutByte(num);
    01257
    01258         /* Write each case */
    01259         for (c = casep; c != NULL; c = c->next) {
    01260           int pos;
    01261
    01262           PutByte(c->caseidx);
    01263           /* Make some space for the 16-bit length */
    01264           pos = _put_pos;
    01265           PutByte(0);
    01266           PutByte(0);
    01267           /* Write string */
    01268           PutCommandString(c->string);
    01269           PutByte(0); // terminate with a zero
    01270           /* Fill in the length */
    01271           _put_buf[pos + 0] = GB(_put_pos - (pos + 2), 8, 8);
    01272           _put_buf[pos + 1] = GB(_put_pos - (pos + 2), 0, 8);
    01273         }
    01274       }
    01275
    01276       if (cmdp != NULL) PutCommandString(cmdp);
    01277
    01278       WriteLength(f, _put_pos);
    01279       fwrite(_put_buf, 1, _put_pos, f);
    01280       _put_pos = 0;
    01281     }
    01282   }
    01283
    01284   fputc(0, f);
    01285   fclose(f);
    01286 }
    01287
    01289 static inline void ottd_mkdir(const char *directory)
    01290 {
    01291 #if defined(WIN32) || defined(__WATCOMC__)
    01292     mkdir(directory);
    01293 #else
    01294     mkdir(directory, 0755);
    01295 #endif
    01296 }
    01297
    01301 static inline char *mkpath(char *buf, size_t buflen, const char *path, const char *file)
    01302 {
    01303   char *p;
    01304   ttd_strlcpy(buf, path, buflen); // copy directory into buffer
    01305
    01306   p = strchr(buf, '\0'); // add path seperator if necessary
    01307   if (p[-1] != PATHSEPCHAR && (size_t)(p - buf) + 1 < buflen) *p++ = PATHSEPCHAR;
    01308   ttd_strlcpy(p, file, buflen - (size_t)(p - buf)); // catenate filename at end of buffer
    01309   return buf;
    01310 }
    01311
    01312 #if defined(__MINGW32__)
    01313
    01318 static inline char *replace_pathsep(char *s)
    01319 {
    01320   char *c;
    01321
    01322   for (c = s; *c != '\0'; c++) if (*c == '/') *c = '\\';
    01323   return s;
    01324 }
    01325 #else
    01326 static inline char *replace_pathsep(char *s) { return s; }
    01327 #endif
    01328
    01329 int CDECL main(int argc, char *argv[])
    01330 {
    01331   char pathbuf[MAX_PATH];
    01332   const char *src_dir = ".";
    01333   const char *dest_dir = NULL;
    01334
    01335   while (argc > 1 && *argv[1] == '-') {
    01336     if (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0) {
    01337       puts("$Revision: 16273 $");
    01338       return 0;
    01339     }
    01340
    01341     if (strcmp(argv[1], "-t") == 0 || strcmp(argv[1], "--todo") == 0) {
    01342       _show_todo |= 1;
    01343       argc--, argv++;
    01344       continue;
    01345     }
    01346
    01347     if (strcmp(argv[1], "-w") == 0 || strcmp(argv[1], "--warning") == 0) {
    01348       _show_todo |= 2;
    01349       argc--, argv++;
    01350       continue;
    01351     }
    01352
    01353     if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0) {
    01354       puts(
    01355         "strgen - $Revision: 16273 $\n"
    01356         " -v | --version    print version information and exit\n"
    01357         " -t | --todo       replace any untranslated strings with '<TODO>'\n"
    01358         " -w | --warning    print a warning for any untranslated strings\n"
    01359         " -h | -? | --help  print this help message and exit\n"
    01360         " -s | --source_dir search for english.txt in the specified directory\n"
    01361         " -d | --dest_dir   put output file in the specified directory, create if needed\n"
    01362         " Run without parameters and strgen will search for english.txt and parse it,\n"
    01363         " creating strings.h. Passing an argument, strgen will translate that language\n"
    01364         " file using english.txt as a reference and output <language>.lng."
    01365       );
    01366       return 0;
    01367     }
    01368
    01369     if (argc > 2 && (strcmp(argv[1], "-s") == 0 || strcmp(argv[1], "--source_dir") == 0)) {
    01370       src_dir = replace_pathsep(argv[2]);
    01371       argc -= 2, argv += 2;
    01372       continue;
    01373     }
    01374
    01375     if (argc > 2 && (strcmp(argv[1], "-d") == 0 || strcmp(argv[1], "--dest_dir") == 0)) {
    01376       dest_dir = replace_pathsep(argv[2]);
    01377       argc -= 2, argv += 2;
    01378       continue;
    01379     }
    01380
    01381     fprintf(stderr, "Invalid arguments\n");
    01382     return 0;
    01383   }
    01384
    01385   if (dest_dir == NULL) dest_dir = src_dir; // if dest_dir is not specified, it equals src_dir
    01386
    01387   /* strgen has two modes of operation. If no (free) arguments are passed
    01388    * strgen generates strings.h to the destination directory. If it is supplied
    01389    * with a (free) parameter the program will translate that language to destination
    01390    * directory. As input english.txt is parsed from the source directory */
    01391   if (argc == 1) {
    01392     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
    01393
    01394     /* parse master file */
    01395     _masterlang = true;
    01396     ParseFile(pathbuf, true);
    01397     MakeHashOfStrings();
    01398     if (_errors) return 1;
    01399
    01400     /* write strings.h */
    01401     ottd_mkdir(dest_dir);
    01402     mkpath(pathbuf, lengthof(pathbuf), dest_dir, "strings.h");
    01403     WriteStringsH(pathbuf);
    01404   } else if (argc == 2) {
    01405     char *r;
    01406
    01407     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
    01408
    01409     /* parse master file and check if target file is correct */
    01410     _masterlang = false;
    01411     ParseFile(pathbuf, true);
    01412     MakeHashOfStrings();
    01413     ParseFile(replace_pathsep(argv[1]), false); // target file
    01414     if (_errors) return 1;
    01415
    01416     /* get the targetfile, strip any directories and append to destination path */
    01417     r = strrchr(argv[1], PATHSEPCHAR);
    01418     mkpath(pathbuf, lengthof(pathbuf), dest_dir, (r != NULL) ? &r[1] : argv[1]);
    01419
    01420     /* rename the .txt (input-extension) to .lng */
    01421     r = strrchr(pathbuf, '.');
    01422     if (r == NULL || strcmp(r, ".txt") != 0) r = strchr(pathbuf, '\0');
    01423     ttd_strlcpy(r, ".lng", (size_t)(r - pathbuf));
    01424     WriteLangfile(pathbuf);
    01425
    01426     /* if showing warnings, print a summary of the language */
    01427     if ((_show_todo & 2) != 0) {
    01428       fprintf(stdout, "%d warnings and %d errors for %s\n", _warnings, _errors, pathbuf);
    01429     }
    01430   } else {
    01431     fprintf(stderr, "Invalid arguments\n");
    01432   }
    01433
    01434   return 0;
    01435 }