# strgen.cpp

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    00001 /* $Id: strgen.cpp 15456 2009-02-12 10:42:22Z 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 #define MAX_NUM_GENDER 8
    00092 static char _genders[MAX_NUM_GENDER][16];
    00093 static uint _numgenders;
    00094
    00095 // contains the name of all cases.
    00096 #define MAX_NUM_CASES 50
    00097 static char _cases[MAX_NUM_CASES][16];
    00098 static uint _numcases;
    00099
    00100 // for each plural value, this is the number of plural forms.
    00101 static const byte _plural_form_counts[] = { 2, 1, 2, 3, 3, 3, 3, 3, 4, 2 };
    00102
    00103 static const char *_cur_ident;
    00104
    00105 struct CmdPair {
    00106   const CmdStruct *a;
    00107   const char *v;
    00108 };
    00109
    00110 struct ParsedCommandStruct {
    00111   uint np;
    00112   CmdPair pairs[32];
    00113   const CmdStruct *cmd[32]; // ordered by param #
    00114 };
    00115
    00116 // Used when generating some advanced commands.
    00117 static ParsedCommandStruct _cur_pcs;
    00118 static int _cur_argidx;
    00119
    00120 static uint HashStr(const char *s)
    00121 {
    00122   uint hash = 0;
    00123   for (; *s != '\0'; s++) hash = ROL(hash, 3) ^ *s;
    00124   return hash % HASH_SIZE;
    00125 }
    00126
    00127 static void HashAdd(const char *s, LangString *ls)
    00128 {
    00129   uint hash = HashStr(s);
    00130   ls->hash_next = _hash_head[hash];
    00131   _hash_head[hash] = ls->index + 1;
    00132 }
    00133
    00134 static LangString *HashFind(const char *s)
    00135 {
    00136   int idx = _hash_head[HashStr(s)];
    00137
    00138   while (--idx >= 0) {
    00139     LangString *ls = _strings[idx];
    00140
    00141     if (strcmp(ls->name, s) == 0) return ls;
    00142     idx = ls->hash_next;
    00143   }
    00144   return NULL;
    00145 }
    00146
    00147 #ifdef _MSC_VER
    00148 # define LINE_NUM_FMT "(%d)"
    00149 #else
    00150 # define LINE_NUM_FMT ":%d"
    00151 #endif
    00152
    00153 static void CDECL strgen_warning(const char *s, ...)
    00154 {
    00155   char buf[1024];
    00156   va_list va;
    00157   va_start(va, s);
    00158   vsnprintf(buf, lengthof(buf), s, va);
    00159   va_end(va);
    00160   fprintf(stderr, "%s" LINE_NUM_FMT ": warning: %s\n", _file, _cur_line, buf);
    00161   _warnings++;
    00162 }
    00163
    00164 static void CDECL strgen_error(const char *s, ...)
    00165 {
    00166   char buf[1024];
    00167   va_list va;
    00168   va_start(va, s);
    00169   vsnprintf(buf, lengthof(buf), s, va);
    00170   va_end(va);
    00171   fprintf(stderr, "%s" LINE_NUM_FMT ": error: %s\n", _file, _cur_line, buf);
    00172   _errors++;
    00173 }
    00174
    00175 void NORETURN CDECL error(const char *s, ...)
    00176 {
    00177   char buf[1024];
    00178   va_list va;
    00179   va_start(va, s);
    00180   vsnprintf(buf, lengthof(buf), s, va);
    00181   va_end(va);
    00182   fprintf(stderr, "%s" LINE_NUM_FMT ": FATAL: %s\n", _file, _cur_line, buf);
    00183   exit(1);
    00184 }
    00185
    00186 static void PutByte(byte c)
    00187 {
    00188   if (_put_pos == lengthof(_put_buf)) error("Put buffer too small");
    00189   _put_buf[_put_pos++] = c;
    00190 }
    00191
    00192
    00193 static void PutUtf8(uint32 value)
    00194 {
    00195   if (value < 0x80) {
    00196     PutByte(value);
    00197   } else if (value < 0x800) {
    00198     PutByte(0xC0 + GB(value,  6, 5));
    00199     PutByte(0x80 + GB(value,  0, 6));
    00200   } else if (value < 0x10000) {
    00201     PutByte(0xE0 + GB(value, 12, 4));
    00202     PutByte(0x80 + GB(value,  6, 6));
    00203     PutByte(0x80 + GB(value,  0, 6));
    00204   } else if (value < 0x110000) {
    00205     PutByte(0xF0 + GB(value, 18, 3));
    00206     PutByte(0x80 + GB(value, 12, 6));
    00207     PutByte(0x80 + GB(value,  6, 6));
    00208     PutByte(0x80 + GB(value,  0, 6));
    00209   } else {
    00210     strgen_warning("Invalid unicode value U+0x%X", value);
    00211   }
    00212 }
    00213
    00214
    00215 size_t Utf8Validate(const char *s)
    00216 {
    00217   uint32 c;
    00218
    00219   if (!HasBit(s[0], 7)) {
    00220     /* 1 byte */
    00221     return 1;
    00222   } else if (GB(s[0], 5, 3) == 6 && IsUtf8Part(s[1])) {
    00223     /* 2 bytes */
    00224     c = GB(s[0], 0, 5) << 6 | GB(s[1], 0, 6);
    00225     if (c >= 0x80) return 2;
    00226   } else if (GB(s[0], 4, 4) == 14 && IsUtf8Part(s[1]) && IsUtf8Part(s[2])) {
    00227     /* 3 bytes */
    00228     c = GB(s[0], 0, 4) << 12 | GB(s[1], 0, 6) << 6 | GB(s[2], 0, 6);
    00229     if (c >= 0x800) return 3;
    00230   } else if (GB(s[0], 3, 5) == 30 && IsUtf8Part(s[1]) && IsUtf8Part(s[2]) && IsUtf8Part(s[3])) {
    00231     /* 4 bytes */
    00232     c = GB(s[0], 0, 3) << 18 | GB(s[1], 0, 6) << 12 | GB(s[2], 0, 6) << 6 | GB(s[3], 0, 6);
    00233     if (c >= 0x10000 && c <= 0x10FFFF) return 4;
    00234   }
    00235
    00236   return 0;
    00237 }
    00238
    00239
    00240 static void EmitSingleChar(char *buf, int value)
    00241 {
    00242   if (*buf != '\0') strgen_warning("Ignoring trailing letters in command");
    00243   PutUtf8(value);
    00244 }
    00245
    00246
    00247 static void EmitSetX(char *buf, int value)
    00248 {
    00249   char *err;
    00250   int x = strtol(buf, &err, 0);
    00251   if (*err != 0) error("SetX param invalid");
    00252   PutUtf8(SCC_SETX);
    00253   PutByte((byte)x);
    00254 }
    00255
    00256
    00257 static void EmitSetXY(char *buf, int value)
    00258 {
    00259   char *err;
    00260   int x;
    00261   int y;
    00262
    00263   x = strtol(buf, &err, 0);
    00264   if (*err != ' ') error("SetXY param invalid");
    00265   y = strtol(err + 1, &err, 0);
    00266   if (*err != 0) error("SetXY param invalid");
    00267
    00268   PutUtf8(SCC_SETXY);
    00269   PutByte((byte)x);
    00270   PutByte((byte)y);
    00271 }
    00272
    00273 // The plural specifier looks like
    00274 // {NUM} {PLURAL -1 passenger passengers} then it picks either passenger/passengers depending on the count in NUM
    00275
    00276 // This is encoded like
    00277 //  CommandByte <ARG#> <NUM> {Length of each string} {each string}
    00278
    00279 bool ParseRelNum(char **buf, int *value)
    00280 {
    00281   const char *s = *buf;
    00282   char *end;
    00283   bool rel = false;
    00284   int v;
    00285
    00286   while (*s == ' ' || *s == '\t') s++;
    00287   if (*s == '+') {
    00288     rel = true;
    00289     s++;
    00290   }
    00291   v = strtol(s, &end, 0);
    00292   if (end == s) return false;
    00293   if (rel || v < 0) {
    00294     *value += v;
    00295   } else {
    00296     *value = v;
    00297   }
    00298   *buf = end;
    00299   return true;
    00300 }
    00301
    00302 // Parse out the next word, or NULL
    00303 char *ParseWord(char **buf)
    00304 {
    00305   char *s = *buf, *r;
    00306
    00307   while (*s == ' ' || *s == '\t') s++;
    00308   if (*s == '\0') return NULL;
    00309
    00310   if (*s == '"') {
    00311     r = ++s;
    00312     // parse until next " or NUL
    00313     for (;;) {
    00314       if (*s == '\0') break;
    00315       if (*s == '"') {
    00316         *s++ = '\0';
    00317         break;
    00318       }
    00319       s++;
    00320     }
    00321   } else {
    00322     // proceed until whitespace or NUL
    00323     r = s;
    00324     for (;;) {
    00325       if (*s == '\0') break;
    00326       if (*s == ' ' || *s == '\t') {
    00327         *s++ = '\0';
    00328         break;
    00329       }
    00330       s++;
    00331     }
    00332   }
    00333   *buf = s;
    00334   return r;
    00335 }
    00336
    00337 // Forward declaration
    00338 static int TranslateArgumentIdx(int arg);
    00339
    00340 static void EmitWordList(const char * const *words, uint nw)
    00341 {
    00342   uint i;
    00343   uint j;
    00344
    00345   PutByte(nw);
    00346   for (i = 0; i < nw; i++) PutByte(strlen(words[i]));
    00347   for (i = 0; i < nw; i++) {
    00348     for (j = 0; words[i][j] != '\0'; j++) PutByte(words[i][j]);
    00349   }
    00350 }
    00351
    00352 static void EmitPlural(char *buf, int value)
    00353 {
    00354   int argidx = _cur_argidx;
    00355   const char *words[5];
    00356   int nw = 0;
    00357
    00358   // Parse out the number, if one exists. Otherwise default to prev arg.
    00359   if (!ParseRelNum(&buf, &argidx)) argidx--;
    00360
    00361   // Parse each string
    00362   for (nw = 0; nw < 5; nw++) {
    00363     words[nw] = ParseWord(&buf);
    00364     if (words[nw] == NULL) break;
    00365   }
    00366
    00367   if (nw == 0)
    00368     error("%s: No plural words", _cur_ident);
    00369
    00370   if (_plural_form_counts[_lang_pluralform] != nw) {
    00371     if (_translated) {
    00372       error("%s: Invalid number of plural forms. Expecting %d, found %d.", _cur_ident,
    00373         _plural_form_counts[_lang_pluralform], nw);
    00374     } else {
    00375       if ((_show_todo & 2) != 0) strgen_warning("'%s' is untranslated. Tweaking english string to allow compilation for plural forms", _cur_ident);
    00376       if (nw > _plural_form_counts[_lang_pluralform]) {
    00377         nw = _plural_form_counts[_lang_pluralform];
    00378       } else {
    00379         for (; nw < _plural_form_counts[_lang_pluralform]; nw++) {
    00380           words[nw] = words[nw - 1];
    00381         }
    00382       }
    00383     }
    00384   }
    00385
    00386   PutUtf8(SCC_PLURAL_LIST);
    00387   PutByte(TranslateArgumentIdx(argidx));
    00388   EmitWordList(words, nw);
    00389 }
    00390
    00391
    00392 static void EmitGender(char *buf, int value)
    00393 {
    00394   int argidx = _cur_argidx;
    00395   uint nw;
    00396
    00397   if (buf[0] == '=') {
    00398     buf++;
    00399
    00400     // This is a {G=DER} command
    00401     for (nw = 0; ; nw++) {
    00402       if (nw >= 8) error("G argument '%s' invalid", buf);
    00403       if (strcmp(buf, _genders[nw]) == 0) break;
    00404     }
    00405     // now nw contains the gender index
    00406     PutUtf8(SCC_GENDER_INDEX);
    00407     PutByte(nw);
    00408   } else {
    00409     const char *words[8];
    00410
    00411     // This is a {G 0 foo bar two} command.
    00412     // If no relative number exists, default to +0
    00413     if (!ParseRelNum(&buf, &argidx)) {}
    00414
    00415     for (nw = 0; nw < 8; nw++) {
    00416       words[nw] = ParseWord(&buf);
    00417       if (words[nw] == NULL) break;
    00418     }
    00419     if (nw != _numgenders) error("Bad # of arguments for gender command");
    00420     PutUtf8(SCC_GENDER_LIST);
    00421     PutByte(TranslateArgumentIdx(argidx));
    00422     EmitWordList(words, nw);
    00423   }
    00424 }
    00425
    00426
    00427 static const CmdStruct _cmd_structs[] = {
    00428   // Update position
    00429   {"SETX",  EmitSetX,  SCC_SETX,  0, 0},
    00430   {"SETXY", EmitSetXY, SCC_SETXY, 0, 0},
    00431
    00432   // Font size
    00433   {"TINYFONT", EmitSingleChar, SCC_TINYFONT, 0, 0},
    00434   {"BIGFONT",  EmitSingleChar, SCC_BIGFONT,  0, 0},
    00435
    00436   // Colors
    00437   {"BLUE",    EmitSingleChar, SCC_BLUE,    0, 0},
    00438   {"SILVER",  EmitSingleChar, SCC_SILVER,  0, 0},
    00439   {"GOLD",    EmitSingleChar, SCC_GOLD,    0, 0},
    00440   {"RED",     EmitSingleChar, SCC_RED,     0, 0},
    00441   {"PURPLE",  EmitSingleChar, SCC_PURPLE,  0, 0},
    00442   {"LTBROWN", EmitSingleChar, SCC_LTBROWN, 0, 0},
    00443   {"ORANGE",  EmitSingleChar, SCC_ORANGE,  0, 0},
    00444   {"GREEN",   EmitSingleChar, SCC_GREEN,   0, 0},
    00445   {"YELLOW",  EmitSingleChar, SCC_YELLOW,  0, 0},
    00446   {"DKGREEN", EmitSingleChar, SCC_DKGREEN, 0, 0},
    00447   {"CREAM",   EmitSingleChar, SCC_CREAM,   0, 0},
    00448   {"BROWN",   EmitSingleChar, SCC_BROWN,   0, 0},
    00449   {"WHITE",   EmitSingleChar, SCC_WHITE,   0, 0},
    00450   {"LTBLUE",  EmitSingleChar, SCC_LTBLUE,  0, 0},
    00451   {"GRAY",    EmitSingleChar, SCC_GRAY,    0, 0},
    00452   {"DKBLUE",  EmitSingleChar, SCC_DKBLUE,  0, 0},
    00453   {"BLACK",   EmitSingleChar, SCC_BLACK,   0, 0},
    00454
    00455   {"CURRCOMPACT",   EmitSingleChar, SCC_CURRENCY_COMPACT,    1, 0}, // compact currency
    00456   {"REV",           EmitSingleChar, SCC_REVISION,            0, 0}, // openttd revision string
    00457   {"SHORTCARGO",    EmitSingleChar, SCC_CARGO_SHORT,         2, 0}, // short cargo description, only ### tons, or ### litres
    00458
    00459   {"STRING1", EmitSingleChar, SCC_STRING1, 2, C_CASE}, // included string that consumes the string id and ONE argument
    00460   {"STRING2", EmitSingleChar, SCC_STRING2, 3, C_CASE}, // included string that consumes the string id and TWO arguments
    00461   {"STRING3", EmitSingleChar, SCC_STRING3, 4, C_CASE}, // included string that consumes the string id and THREE arguments
    00462   {"STRING4", EmitSingleChar, SCC_STRING4, 5, C_CASE}, // included string that consumes the string id and FOUR arguments
    00463   {"STRING5", EmitSingleChar, SCC_STRING5, 6, C_CASE}, // included string that consumes the string id and FIVE arguments
    00464
    00465   {"STATIONFEATURES", EmitSingleChar, SCC_STATION_FEATURES, 1, 0}, // station features string, icons of the features
    00466   {"INDUSTRY",        EmitSingleChar, SCC_INDUSTRY_NAME,    1, 0}, // industry, takes an industry #
    00467   {"CARGO",           EmitSingleChar, SCC_CARGO,            2, 0},
    00468   {"POWER",           EmitSingleChar, SCC_POWER,            1, 0},
    00469   {"VOLUME",          EmitSingleChar, SCC_VOLUME,           1, 0},
    00470   {"VOLUME_S",        EmitSingleChar, SCC_VOLUME_SHORT,     1, 0},
    00471   {"WEIGHT",          EmitSingleChar, SCC_WEIGHT,           1, 0},
    00472   {"WEIGHT_S",        EmitSingleChar, SCC_WEIGHT_SHORT,     1, 0},
    00473   {"FORCE",           EmitSingleChar, SCC_FORCE,            1, 0},
    00474   {"VELOCITY",        EmitSingleChar, SCC_VELOCITY,         1, 0},
    00475
    00476   {"P", EmitPlural, 0, 0, C_DONTCOUNT}, // plural specifier
    00477   {"G", EmitGender, 0, 0, C_DONTCOUNT}, // gender specifier
    00478
    00479   {"DATE_TINY",  EmitSingleChar, SCC_DATE_TINY, 1, 0},
    00480   {"DATE_SHORT", EmitSingleChar, SCC_DATE_SHORT, 1, 0},
    00481   {"DATE_LONG",  EmitSingleChar, SCC_DATE_LONG, 1, 0},
    00482   {"DATE_ISO",   EmitSingleChar, SCC_DATE_ISO, 1, 0},
    00483
    00484   {"SKIP", EmitSingleChar, SCC_SKIP, 1, 0},
    00485
    00486   {"STRING", EmitSingleChar, SCC_STRING, 1, C_CASE},
    00487   {"RAW_STRING", EmitSingleChar, SCC_RAW_STRING_POINTER, 1, 0},
    00488
    00489   // Numbers
    00490   {"COMMA", EmitSingleChar, SCC_COMMA, 1, 0}, // Number with comma
    00491   {"NUM",   EmitSingleChar, SCC_NUM,   1, 0}, // Signed number
    00492   {"BYTES", EmitSingleChar, SCC_BYTES, 1, 0}, // Unsigned number with "bytes", i.e. "1.02 MiB or 123 KiB"
    00493
    00494   {"CURRENCY",   EmitSingleChar, SCC_CURRENCY,    1, 0},
    00495
    00496   {"WAYPOINT", EmitSingleChar, SCC_WAYPOINT_NAME, 1, 0}, // waypoint name
    00497   {"STATION",  EmitSingleChar, SCC_STATION_NAME,  1, 0},
    00498   {"TOWN",     EmitSingleChar, SCC_TOWN_NAME,     1, 0},
    00499   {"GROUP",    EmitSingleChar, SCC_GROUP_NAME,    1, 0},
    00500   {"SIGN",     EmitSingleChar, SCC_SIGN_NAME,     1, 0},
    00501   {"ENGINE",   EmitSingleChar, SCC_ENGINE_NAME,   1, 0},
    00502   {"VEHICLE",  EmitSingleChar, SCC_VEHICLE_NAME,  1, 0},
    00503   {"COMPANY",  EmitSingleChar, SCC_COMPANY_NAME,  1, 0},
    00504   {"COMPANYNUM", EmitSingleChar, SCC_COMPANY_NUM, 1, 0},
    00505   {"PRESIDENTNAME", EmitSingleChar, SCC_PRESIDENT_NAME, 1, 0},
    00506
    00507   // 0x9D is used for the pseudo command SETCASE
    00508   // 0x9E is used for case switching
    00509
    00510   {"",               EmitSingleChar, '\n',               0, C_DONTCOUNT},
    00511   {"{",              EmitSingleChar, '{',                0, C_DONTCOUNT},
    00512   {"UPARROW",        EmitSingleChar, SCC_UPARROW,        0, 0},
    00513   {"SMALLUPARROW",   EmitSingleChar, SCC_SMALLUPARROW,   0, 0},
    00514   {"SMALLDOWNARROW", EmitSingleChar, SCC_SMALLDOWNARROW, 0, 0},
    00515   {"TRAIN",          EmitSingleChar, SCC_TRAIN,          0, 0},
    00516   {"LORRY",          EmitSingleChar, SCC_LORRY,          0, 0},
    00517   {"BUS",            EmitSingleChar, SCC_BUS,            0, 0},
    00518   {"PLANE",          EmitSingleChar, SCC_PLANE,          0, 0},
    00519   {"SHIP",           EmitSingleChar, SCC_SHIP,           0, 0},
    00520   {"NBSP",           EmitSingleChar, 0xA0,               0, C_DONTCOUNT},
    00521   {"CENT",           EmitSingleChar, 0xA2,               0, C_DONTCOUNT},
    00522   {"POUNDSIGN",      EmitSingleChar, 0xA3,               0, C_DONTCOUNT},
    00523   {"EURO",           EmitSingleChar, 0x20AC,             0, C_DONTCOUNT},
    00524   {"YENSIGN",        EmitSingleChar, 0xA5,               0, C_DONTCOUNT},
    00525   {"COPYRIGHT",      EmitSingleChar, 0xA9,               0, C_DONTCOUNT},
    00526   {"DOWNARROW",      EmitSingleChar, SCC_DOWNARROW,      0, C_DONTCOUNT},
    00527   {"CHECKMARK",      EmitSingleChar, SCC_CHECKMARK,      0, C_DONTCOUNT},
    00528   {"CROSS",          EmitSingleChar, SCC_CROSS,          0, C_DONTCOUNT},
    00529   {"REGISTERED",     EmitSingleChar, 0xAE,               0, C_DONTCOUNT},
    00530   {"RIGHTARROW",     EmitSingleChar, SCC_RIGHTARROW,     0, C_DONTCOUNT},
    00531   {"SMALLLEFTARROW", EmitSingleChar, SCC_LESSTHAN,       0, C_DONTCOUNT},
    00532   {"SMALLRIGHTARROW",EmitSingleChar, SCC_GREATERTHAN,    0, C_DONTCOUNT},
    00533
    00534   /* The following are directional formatting codes used to get the RTL strings right:
    00535    * http://www.unicode.org/unicode/reports/tr9/#Directional_Formatting_Codes */
    00536   {"LRM",            EmitSingleChar, 0x200E,             0, C_DONTCOUNT},
    00537   {"RLM",            EmitSingleChar, 0x200F,             0, C_DONTCOUNT},
    00538   {"LRE",            EmitSingleChar, 0x202A,             0, C_DONTCOUNT},
    00539   {"RLE",            EmitSingleChar, 0x202B,             0, C_DONTCOUNT},
    00540   {"LRO",            EmitSingleChar, 0x202D,             0, C_DONTCOUNT},
    00541   {"RLO",            EmitSingleChar, 0x202E,             0, C_DONTCOUNT},
    00542   {"PDF",            EmitSingleChar, 0x202C,             0, C_DONTCOUNT},
    00543 };
    00544
    00545
    00546 static const CmdStruct *FindCmd(const char *s, int len)
    00547 {
    00548   const CmdStruct *cs;
    00549
    00550   for (cs = _cmd_structs; cs != endof(_cmd_structs); cs++) {
    00551     if (strncmp(cs->cmd, s, len) == 0 && cs->cmd[len] == '\0') return cs;
    00552   }
    00553   return NULL;
    00554 }
    00555
    00556 static uint ResolveCaseName(const char *str, uint len)
    00557 {
    00558   uint i;
    00559
    00560   for (i = 0; i < MAX_NUM_CASES; i++) {
    00561     if (memcmp(_cases[i], str, len) == 0 && _cases[i][len] == 0) return i + 1;
    00562   }
    00563   error("Invalid case-name '%s'", str);
    00564 }
    00565
    00566
    00567 // returns NULL on eof
    00568 // else returns command struct
    00569 static const CmdStruct *ParseCommandString(const char **str, char *param, int *argno, int *casei)
    00570 {
    00571   const char *s = *str, *start;
    00572   const CmdStruct *cmd;
    00573   byte c;
    00574
    00575   *argno = -1;
    00576   *casei = -1;
    00577
    00578   // Scan to the next command, exit if there's no next command.
    00579   for (; *s != '{'; s++) {
    00580     if (*s == '\0') return NULL;
    00581   }
    00582   s++; // Skip past the {
    00583
    00584   if (*s >= '0' && *s <= '9') {
    00585     char *end;
    00586
    00587     *argno = strtoul(s, &end, 0);
    00588     if (*end != ':') error("missing arg #");
    00589     s = end + 1;
    00590   }
    00591
    00592   // parse command name
    00593   start = s;
    00594   do {
    00595     c = *s++;
    00596   } while (c != '}' && c != ' ' && c != '=' && c != '.' && c != 0);
    00597
    00598   cmd = FindCmd(start, s - start - 1);
    00599   if (cmd == NULL) {
    00600     strgen_error("Undefined command '%.*s'", s - start - 1, start);
    00601     return NULL;
    00602   }
    00603
    00604   if (c == '.') {
    00605     const char *casep = s;
    00606
    00607     if (!(cmd->flags & C_CASE))
    00608       error("Command '%s' can't have a case", cmd->cmd);
    00609
    00610     do c = *s++; while (c != '}' && c != ' ' && c != '\0');
    00611     *casei = ResolveCaseName(casep, s - casep - 1);
    00612   }
    00613
    00614   if (c == '\0') {
    00615     strgen_error("Missing } from command '%s'", start);
    00616     return NULL;
    00617   }
    00618
    00619
    00620   if (c != '}') {
    00621     if (c == '=') s--;
    00622     // copy params
    00623     start = s;
    00624     for (;;) {
    00625       c = *s++;
    00626       if (c == '}') break;
    00627       if (c == '\0') {
    00628         strgen_error("Missing } from command '%s'", start);
    00629         return NULL;
    00630       }
    00631       if (s - start == 250) error("param command too long");
    00632       *param++ = c;
    00633     }
    00634   }
    00635   *param = '\0';
    00636
    00637   *str = s;
    00638
    00639   return cmd;
    00640 }
    00641
    00642
    00643 static void HandlePragma(char *str)
    00644 {
    00645   if (!memcmp(str, "id ", 3)) {
    00646     _next_string_id = strtoul(str + 3, NULL, 0);
    00647   } else if (!memcmp(str, "name ", 5)) {
    00648     strecpy(_lang_name, str + 5, lastof(_lang_name));
    00649   } else if (!memcmp(str, "ownname ", 8)) {
    00650     strecpy(_lang_ownname, str + 8, lastof(_lang_ownname));
    00651   } else if (!memcmp(str, "isocode ", 8)) {
    00652     strecpy(_lang_isocode, str + 8, lastof(_lang_isocode));
    00653   } else if (!memcmp(str, "plural ", 7)) {
    00654     _lang_pluralform = atoi(str + 7);
    00655     if (_lang_pluralform >= lengthof(_plural_form_counts))
    00656       error("Invalid pluralform %d", _lang_pluralform);
    00657   } else if (!memcmp(str, "textdir ", 8)) {
    00658     if (!memcmp(str + 8, "ltr", 3)) {
    00659       _lang_textdir = TD_LTR;
    00660     } else if (!memcmp(str + 8, "rtl", 3)) {
    00661       _lang_textdir = TD_RTL;
    00662     } else {
    00663       error("Invalid textdir %s", str + 8);
    00664     }
    00665   } else if (!memcmp(str, "winlangid ", 10)) {
    00666     char *buf = str + 10;
    00667     long langid = strtol(buf, NULL, 16);
    00668     if (langid > UINT16_MAX || langid < 0) {
    00669       error("Invalid winlangid %s", buf);
    00670     }
    00671     _lang_winlangid = (uint16)langid;
    00672   } else if (!memcmp(str, "gender ", 7)) {
    00673     char *buf = str + 7;
    00674
    00675     for (;;) {
    00676       const char *s = ParseWord(&buf);
    00677
    00678       if (s == NULL) break;
    00679       if (_numgenders >= MAX_NUM_GENDER) error("Too many genders, max %d", MAX_NUM_GENDER);
    00680       strecpy(_genders[_numgenders], s, lastof(_genders[_numgenders]));
    00681       _numgenders++;
    00682     }
    00683   } else if (!memcmp(str, "case ", 5)) {
    00684     char *buf = str + 5;
    00685
    00686     for (;;) {
    00687       const char *s = ParseWord(&buf);
    00688
    00689       if (s == NULL) break;
    00690       if (_numcases >= MAX_NUM_CASES) error("Too many cases, max %d", MAX_NUM_CASES);
    00691       strecpy(_cases[_numcases], s, lastof(_cases[_numcases]));
    00692       _numcases++;
    00693     }
    00694   } else {
    00695     error("unknown pragma '%s'", str);
    00696   }
    00697 }
    00698
    00699 static void ExtractCommandString(ParsedCommandStruct *p, const char *s, bool warnings)
    00700 {
    00701   char param[100];
    00702   int argno;
    00703   int argidx = 0;
    00704   int casei;
    00705
    00706   memset(p, 0, sizeof(*p));
    00707
    00708   for (;;) {
    00709     // read until next command from a.
    00710     const CmdStruct *ar = ParseCommandString(&s, param, &argno, &casei);
    00711
    00712     if (ar == NULL) break;
    00713
    00714     // Sanity checking
    00715     if (argno != -1 && ar->consumes == 0) error("Non consumer param can't have a paramindex");
    00716
    00717     if (ar->consumes) {
    00718       if (argno != -1) argidx = argno;
    00719       if (argidx < 0 || (uint)argidx >= lengthof(p->cmd)) error("invalid param idx %d", argidx);
    00720       if (p->cmd[argidx] != NULL && p->cmd[argidx] != ar) error("duplicate param idx %d", argidx);
    00721
    00722       p->cmd[argidx++] = ar;
    00723     } else if (!(ar->flags & C_DONTCOUNT)) { // Ignore some of them
    00724       if (p->np >= lengthof(p->pairs)) error("too many commands in string, max %d", lengthof(p->pairs));
    00725       p->pairs[p->np].a = ar;
    00726       p->pairs[p->np].v = param[0] != '\0' ? strdup(param) : "";
    00727       p->np++;
    00728     }
    00729   }
    00730 }
    00731
    00732
    00733 static const CmdStruct *TranslateCmdForCompare(const CmdStruct *a)
    00734 {
    00735   if (a == NULL) return NULL;
    00736
    00737   if (strcmp(a->cmd, "STRING1") == 0 ||
    00738       strcmp(a->cmd, "STRING2") == 0 ||
    00739       strcmp(a->cmd, "STRING3") == 0 ||
    00740       strcmp(a->cmd, "STRING4") == 0 ||
    00741       strcmp(a->cmd, "STRING5") == 0 ||
    00742       strcmp(a->cmd, "RAW_STRING") == 0){
    00743     return FindCmd("STRING", 6);
    00744   }
    00745
    00746   if (strcmp(a->cmd, "SKIP") == 0) return NULL;
    00747
    00748   return a;
    00749 }
    00750
    00751
    00752 static bool CheckCommandsMatch(char *a, char *b, const char *name)
    00753 {
    00754   ParsedCommandStruct templ;
    00755   ParsedCommandStruct lang;
    00756   uint i, j;
    00757   bool result = true;
    00758
    00759   ExtractCommandString(&templ, b, true);
    00760   ExtractCommandString(&lang, a, true);
    00761
    00762   // For each string in templ, see if we find it in lang
    00763   if (templ.np != lang.np) {
    00764     strgen_warning("%s: template string and language string have a different # of commands", name);
    00765     result = false;
    00766   }
    00767
    00768   for (i = 0; i < templ.np; i++) {
    00769     // see if we find it in lang, and zero it out
    00770     bool found = false;
    00771     for (j = 0; j < lang.np; j++) {
    00772       if (templ.pairs[i].a == lang.pairs[j].a &&
    00773           strcmp(templ.pairs[i].v, lang.pairs[j].v) == 0) {
    00774         // it was found in both. zero it out from lang so we don't find it again
    00775         lang.pairs[j].a = NULL;
    00776         found = true;
    00777         break;
    00778       }
    00779     }
    00780
    00781     if (!found) {
    00782       strgen_warning("%s: command '%s' exists in template file but not in language file", name, templ.pairs[i].a->cmd);
    00783       result = false;
    00784     }
    00785   }
    00786
    00787   // if we reach here, all non consumer commands match up.
    00788   // Check if the non consumer commands match up also.
    00789   for (i = 0; i < lengthof(templ.cmd); i++) {
    00790     if (TranslateCmdForCompare(templ.cmd[i]) != TranslateCmdForCompare(lang.cmd[i])) {
    00791       strgen_warning("%s: Param idx #%d '%s' doesn't match with template command '%s'", name, i,
    00792         lang.cmd[i]  == NULL ? "<empty>" : lang.cmd[i]->cmd,
    00793         templ.cmd[i] == NULL ? "<empty>" : templ.cmd[i]->cmd);
    00794       result = false;
    00795     }
    00796   }
    00797
    00798   return result;
    00799 }
    00800
    00801 static void HandleString(char *str, bool master)
    00802 {
    00803   char *s, *t;
    00804   LangString *ent;
    00805   char *casep;
    00806
    00807   if (*str == '#') {
    00808     if (str[1] == '#' && str[2] != '#') HandlePragma(str + 2);
    00809     return;
    00810   }
    00811
    00812   // Ignore comments & blank lines
    00813   if (*str == ';' || *str == ' ' || *str == '\0') return;
    00814
    00815   s = strchr(str, ':');
    00816   if (s == NULL) {
    00817     strgen_error("Line has no ':' delimiter");
    00818     return;
    00819   }
    00820
    00821   // Trim spaces.
    00822   // After this str points to the command name, and s points to the command contents
    00823   for (t = s; t > str && (t[-1] == ' ' || t[-1] == '\t'); t--);
    00824   *t = 0;
    00825   s++;
    00826
    00827   /* Check string is valid UTF-8 */
    00828   {
    00829     const char *tmp;
    00830     for (tmp = s; *tmp != '\0';) {
    00831       size_t len = Utf8Validate(tmp);
    00832       if (len == 0) error("Invalid UTF-8 sequence in '%s'", s);
    00833       tmp += len;
    00834     }
    00835   }
    00836
    00837   // Check if the string has a case..
    00838   // The syntax for cases is IDENTNAME.case
    00839   casep = strchr(str, '.');
    00840   if (casep) *casep++ = 0;
    00841
    00842   // Check if this string already exists..
    00843   ent = HashFind(str);
    00844
    00845   if (master) {
    00846     if (ent != NULL && casep == NULL) {
    00847       strgen_error("String name '%s' is used multiple times", str);
    00848       return;
    00849     }
    00850
    00851     if (ent == NULL && casep != NULL) {
    00852       strgen_error("Base string name '%s' doesn't exist yet. Define it before defining a case.", str);
    00853       return;
    00854     }
    00855
    00856     if (ent == NULL) {
    00857       if (_strings[_next_string_id]) {
    00858         strgen_error("String ID 0x%X for '%s' already in use by '%s'", ent, str, _strings[_next_string_id]->name);
    00859         return;
    00860       }
    00861
    00862       // Allocate a new LangString
    00863       ent = CallocT<LangString>(1);
    00864       _strings[_next_string_id] = ent;
    00865       ent->index = _next_string_id++;
    00866       ent->name = strdup(str);
    00867       ent->line = _cur_line;
    00868
    00869       HashAdd(str, ent);
    00870     }
    00871
    00872     if (casep != NULL) {
    00873       Case *c = MallocT<Case>(1);
    00874
    00875       c->caseidx = ResolveCaseName(casep, strlen(casep));
    00876       c->string = strdup(s);
    00877       c->next = ent->english_case;
    00878       ent->english_case = c;
    00879     } else {
    00880       ent->english = strdup(s);
    00881     }
    00882
    00883   } else {
    00884     if (ent == NULL) {
    00885       strgen_warning("String name '%s' does not exist in master file", str);
    00886       return;
    00887     }
    00888
    00889     if (ent->translated && casep == NULL) {
    00890       strgen_error("String name '%s' is used multiple times", str);
    00891       return;
    00892     }
    00893
    00894     if (s[0] == ':' && s[1] == '\0' && casep == NULL) {
    00895       // Special syntax :: means we should just inherit the master string
    00896       ent->translated = strdup(ent->english);
    00897     } else {
    00898       // make sure that the commands match
    00899       if (!CheckCommandsMatch(s, ent->english, str)) return;
    00900
    00901       if (casep != NULL) {
    00902         Case *c = MallocT<Case>(1);
    00903
    00904         c->caseidx = ResolveCaseName(casep, strlen(casep));
    00905         c->string = strdup(s);
    00906         c->next = ent->translated_case;
    00907         ent->translated_case = c;
    00908       } else {
    00909         ent->translated = strdup(s);
    00910       }
    00911     }
    00912   }
    00913 }
    00914
    00915
    00916 static void rstrip(char *buf)
    00917 {
    00918   int i = strlen(buf);
    00919   while (i > 0 && (buf[i - 1] == '\r' || buf[i - 1] == '\n' || buf[i - 1] == ' ')) i--;
    00920   buf[i] = '\0';
    00921 }
    00922
    00923
    00924 static void ParseFile(const char *file, bool english)
    00925 {
    00926   FILE *in;
    00927   char buf[2048];
    00928
    00929   _file = file;
    00930
    00931   /* For each new file we parse, reset the genders, and language codes */
    00932   _numgenders = 0;
    00933   _lang_name[0] = _lang_ownname[0] = _lang_isocode[0] = '\0';
    00934   _lang_textdir = TD_LTR;
    00935   _lang_winlangid = 0x0000; // neutral language code
    00936   // TODO:!! We can't reset the cases. In case the translated strings
    00937   // derive some strings from english....
    00938
    00939   in = fopen(file, "r");
    00940   if (in == NULL) error("Cannot open file");
    00941   _cur_line = 1;
    00942   while (fgets(buf, sizeof(buf), in) != NULL) {
    00943     rstrip(buf);
    00944     HandleString(buf, english);
    00945     _cur_line++;
    00946   }
    00947   fclose(in);
    00948
    00949   if (StrEmpty(_lang_name) || StrEmpty(_lang_ownname) || StrEmpty(_lang_isocode)) {
    00950     error("Language must include ##name, ##ownname and ##isocode");
    00951   }
    00952 }
    00953
    00954
    00955 static uint32 MyHashStr(uint32 hash, const char *s)
    00956 {
    00957   for (; *s != '\0'; s++) {
    00958     hash = ROL(hash, 3) ^ *s;
    00959     hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
    00960   }
    00961   return hash;
    00962 }
    00963
    00964
    00965 // make a hash of the file to get a unique "version number"
    00966 static void MakeHashOfStrings()
    00967 {
    00968   uint32 hash = 0;
    00969   uint i;
    00970
    00971   for (i = 0; i != lengthof(_strings); i++) {
    00972     const LangString *ls = _strings[i];
    00973
    00974     if (ls != NULL) {
    00975       const CmdStruct *cs;
    00976       const char *s;
    00977       char buf[256];
    00978       int argno;
    00979       int casei;
    00980
    00981       s = ls->name;
    00982       hash ^= i * 0x717239;
    00983       hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
    00984       hash = MyHashStr(hash, s + 1);
    00985
    00986       s = ls->english;
    00987       while ((cs = ParseCommandString(&s, buf, &argno, &casei)) != NULL) {
    00988         if (cs->flags & C_DONTCOUNT) continue;
    00989
    00990         hash ^= (cs - _cmd_structs) * 0x1234567;
    00991         hash = (hash & 1 ? hash >> 1 ^ 0xF00BAA4 : hash >> 1);
    00992       }
    00993     }
    00994   }
    00995   _hash = hash;
    00996 }
    00997
    00998
    00999 static uint CountInUse(uint grp)
    01000 {
    01001   int i;
    01002
    01003   for (i = 0x800; --i >= 0;) if (_strings[(grp << 11) + i] != NULL) break;
    01004   return i + 1;
    01005 }
    01006
    01007
    01008 bool CompareFiles(const char *n1, const char *n2)
    01009 {
    01010   FILE *f1, *f2;
    01011   char b1[4096];
    01012   char b2[4096];
    01013   size_t l1, l2;
    01014
    01015   f2 = fopen(n2, "rb");
    01016   if (f2 == NULL) return false;
    01017
    01018   f1 = fopen(n1, "rb");
    01019   if (f1 == NULL) error("can't open %s", n1);
    01020
    01021   do {
    01022     l1 = fread(b1, 1, sizeof(b1), f1);
    01023     l2 = fread(b2, 1, sizeof(b2), f2);
    01024
    01025     if (l1 != l2 || memcmp(b1, b2, l1)) {
    01026       fclose(f2);
    01027       fclose(f1);
    01028       return false;
    01029     }
    01030   } while (l1);
    01031
    01032   fclose(f2);
    01033   fclose(f1);
    01034   return true;
    01035 }
    01036
    01037
    01038 static void WriteStringsH(const char *filename)
    01039 {
    01040   FILE *out;
    01041   int i;
    01042   int next = -1;
    01043
    01044   out = fopen("tmp.xxx", "w");
    01045   if (out == NULL) error("can't open tmp.xxx");
    01046
    01047   fprintf(out, "/* This file is automatically generated. Do not modify */\n\n");
    01048   fprintf(out, "#ifndef TABLE_STRINGS_H\n");
    01049   fprintf(out, "#define TABLE_STRINGS_H\n");
    01050
    01051   for (i = 0; i != lengthof(_strings); i++) {
    01052     if (_strings[i] != NULL) {
    01053       if (next != i) fprintf(out, "\n");
    01054       fprintf(out, "static const StringID %s = 0x%X;\n", _strings[i]->name, i);
    01055       next = i + 1;
    01056     }
    01057   }
    01058
    01059   fprintf(out, "\nstatic const StringID STR_LAST_STRINGID = 0x%X;\n", next - 1);
    01060
    01061   fprintf(out,
    01062     "\nenum {\n"
    01063     "\tLANGUAGE_PACK_IDENT = 0x474E414C, // Big Endian value for 'LANG' (LE is 0x 4C 41 4E 47)\n"
    01064     "\tLANGUAGE_PACK_VERSION = 0x%X,\n"
    01065     "};\n", (uint)_hash
    01066   );
    01067
    01068   fprintf(out, "\n#endif /* TABLE_STRINGS_H */\n");
    01069
    01070   fclose(out);
    01071
    01072   if (CompareFiles("tmp.xxx", filename)) {
    01073     // files are equal. tmp.xxx is not needed
    01074     unlink("tmp.xxx");
    01075   } else {
    01076     // else rename tmp.xxx into filename
    01077 #if defined(WIN32) || defined(WIN64)
    01078     unlink(filename);
    01079 #endif
    01080     if (rename("tmp.xxx", filename) == -1) error("rename() failed");
    01081   }
    01082 }
    01083
    01084 static int TranslateArgumentIdx(int argidx)
    01085 {
    01086   int i, sum;
    01087
    01088   if (argidx < 0 || (uint)argidx >= lengthof(_cur_pcs.cmd))
    01089     error("invalid argidx %d", argidx);
    01090
    01091   for (i = sum = 0; i < argidx; i++) {
    01092     const CmdStruct *cs = _cur_pcs.cmd[i];
    01093     sum += (cs != NULL) ? cs->consumes : 1;
    01094   }
    01095
    01096   return sum;
    01097 }
    01098
    01099 static void PutArgidxCommand()
    01100 {
    01101   PutUtf8(SCC_ARG_INDEX);
    01102   PutByte(TranslateArgumentIdx(_cur_argidx));
    01103 }
    01104
    01105
    01106 static void PutCommandString(const char *str)
    01107 {
    01108   const CmdStruct *cs;
    01109   char param[256];
    01110   int argno;
    01111   int casei;
    01112
    01113   _cur_argidx = 0;
    01114
    01115   while (*str != '\0') {
    01116     // Process characters as they are until we encounter a {
    01117     if (*str != '{') {
    01118       PutByte(*str++);
    01119       continue;
    01120     }
    01121     cs = ParseCommandString(&str, param, &argno, &casei);
    01122     if (cs == NULL) break;
    01123
    01124     if (casei != -1) {
    01125       PutUtf8(SCC_SETCASE); // {SETCASE}
    01126       PutByte(casei);
    01127     }
    01128
    01129     // For params that consume values, we need to handle the argindex properly
    01130     if (cs->consumes > 0) {
    01131       // Check if we need to output a move-param command
    01132       if (argno != -1 && argno != _cur_argidx) {
    01133         _cur_argidx = argno;
    01134         PutArgidxCommand();
    01135       }
    01136
    01137       // Output the one from the master string... it's always accurate.
    01138       cs = _cur_pcs.cmd[_cur_argidx++];
    01139       if (cs == NULL) {
    01140         error("%s: No argument exists at position %d", _cur_ident, _cur_argidx - 1);
    01141       }
    01142     }
    01143
    01144     cs->proc(param, cs->value);
    01145   }
    01146 }
    01147
    01148 static void WriteLength(FILE *f, uint length)
    01149 {
    01150   if (length < 0xC0) {
    01151     fputc(length, f);
    01152   } else if (length < 0x4000) {
    01153     fputc((length >> 8) | 0xC0, f);
    01154     fputc(length & 0xFF, f);
    01155   } else {
    01156     error("string too long");
    01157   }
    01158 }
    01159
    01160
    01161 static void WriteLangfile(const char *filename)
    01162 {
    01163   FILE *f;
    01164   uint in_use[32];
    01165   LanguagePackHeader hdr;
    01166   uint i;
    01167   uint j;
    01168
    01169   f = fopen(filename, "wb");
    01170   if (f == NULL) error("can't open %s", filename);
    01171
    01172   memset(&hdr, 0, sizeof(hdr));
    01173   for (i = 0; i != 32; i++) {
    01174     uint n = CountInUse(i);
    01175
    01176     in_use[i] = n;
    01177     hdr.offsets[i] = TO_LE16(n);
    01178   }
    01179
    01180   // see line 655: fprintf(..."\tLANGUAGE_PACK_IDENT = 0x474E414C,...)
    01181   hdr.ident = TO_LE32(0x474E414C); // Big Endian value for 'LANG'
    01182   hdr.version = TO_LE32(_hash);
    01183   hdr.plural_form = _lang_pluralform;
    01184   hdr.text_dir = _lang_textdir;
    01185   hdr.winlangid = TO_LE16(_lang_winlangid);
    01186   strcpy(hdr.name, _lang_name);
    01187   strcpy(hdr.own_name, _lang_ownname);
    01188   strcpy(hdr.isocode, _lang_isocode);
    01189
    01190   fwrite(&hdr, sizeof(hdr), 1, f);
    01191
    01192   for (i = 0; i != 32; i++) {
    01193     for (j = 0; j != in_use[i]; j++) {
    01194       const LangString *ls = _strings[(i << 11) + j];
    01195       const Case *casep;
    01196       const char *cmdp;
    01197
    01198       // For undefined strings, just set that it's an empty string
    01199       if (ls == NULL) {
    01200         WriteLength(f, 0);
    01201         continue;
    01202       }
    01203
    01204       _cur_ident = ls->name;
    01205       _cur_line = ls->line;
    01206
    01207       // Produce a message if a string doesn't have a translation.
    01208       if (_show_todo > 0 && ls->translated == NULL) {
    01209         if ((_show_todo & 2) != 0) {
    01210           strgen_warning("'%s' is untranslated", ls->name);
    01211         }
    01212         if ((_show_todo & 1) != 0) {
    01213           const char *s = "<TODO> ";
    01214           while (*s != '\0') PutByte(*s++);
    01215         }
    01216       }
    01217
    01218       // Extract the strings and stuff from the english command string
    01219       ExtractCommandString(&_cur_pcs, ls->english, false);
    01220
    01221       if (ls->translated_case != NULL || ls->translated != NULL) {
    01222         casep = ls->translated_case;
    01223         cmdp = ls->translated;
    01224       } else {
    01225         casep = ls->english_case;
    01226         cmdp = ls->english;
    01227       }
    01228
    01229       _translated = _masterlang || (cmdp != ls->english);
    01230
    01231       if (casep != NULL) {
    01232         const Case *c;
    01233         uint num;
    01234
    01235         // Need to output a case-switch.
    01236         // It has this format
    01237         // <0x9E> <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT>
    01238         // Each LEN is printed using 2 bytes in big endian order.
    01239         PutUtf8(SCC_SWITCH_CASE);
    01240         // Count the number of cases
    01241         for (num = 0, c = casep; c; c = c->next) num++;
    01242         PutByte(num);
    01243
    01244         // Write each case
    01245         for (c = casep; c != NULL; c = c->next) {
    01246           int pos;
    01247
    01248           PutByte(c->caseidx);
    01249           // Make some space for the 16-bit length
    01250           pos = _put_pos;
    01251           PutByte(0);
    01252           PutByte(0);
    01253           // Write string
    01254           PutCommandString(c->string);
    01255           PutByte(0); // terminate with a zero
    01256           // Fill in the length
    01257           _put_buf[pos + 0] = GB(_put_pos - (pos + 2), 8, 8);
    01258           _put_buf[pos + 1] = GB(_put_pos - (pos + 2), 0, 8);
    01259         }
    01260       }
    01261
    01262       if (cmdp != NULL) PutCommandString(cmdp);
    01263
    01264       WriteLength(f, _put_pos);
    01265       fwrite(_put_buf, 1, _put_pos, f);
    01266       _put_pos = 0;
    01267     }
    01268   }
    01269
    01270   fputc(0, f);
    01271   fclose(f);
    01272 }
    01273
    01275 static inline void ottd_mkdir(const char *directory)
    01276 {
    01277 #if defined(WIN32) || defined(__WATCOMC__)
    01278     mkdir(directory);
    01279 #else
    01280     mkdir(directory, 0755);
    01281 #endif
    01282 }
    01283
    01287 static inline char *mkpath(char *buf, size_t buflen, const char *path, const char *file)
    01288 {
    01289   char *p;
    01290   ttd_strlcpy(buf, path, buflen); // copy directory into buffer
    01291
    01292   p = strchr(buf, '\0'); // add path seperator if necessary
    01293   if (p[-1] != PATHSEPCHAR && (size_t)(p - buf) + 1 < buflen) *p++ = PATHSEPCHAR;
    01294   ttd_strlcpy(p, file, buflen - (size_t)(p - buf)); // catenate filename at end of buffer
    01295   return buf;
    01296 }
    01297
    01298 #if defined(__MINGW32__)
    01299
    01304 static inline char *replace_pathsep(char *s)
    01305 {
    01306   char *c;
    01307
    01308   for (c = s; *c != '\0'; c++) if (*c == '/') *c = '\\';
    01309   return s;
    01310 }
    01311 #else
    01312 static inline char *replace_pathsep(char *s) { return s; }
    01313 #endif
    01314
    01315 int CDECL main(int argc, char *argv[])
    01316 {
    01317   char pathbuf[MAX_PATH];
    01318   const char *src_dir = ".";
    01319   const char *dest_dir = NULL;
    01320
    01321   while (argc > 1 && *argv[1] == '-') {
    01322     if (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0) {
    01323       puts("$Revision: 15456 $");
    01324       return 0;
    01325     }
    01326
    01327     if (strcmp(argv[1], "-t") == 0 || strcmp(argv[1], "--todo") == 0) {
    01328       _show_todo |= 1;
    01329       argc--, argv++;
    01330       continue;
    01331     }
    01332
    01333     if (strcmp(argv[1], "-w") == 0 || strcmp(argv[1], "--warning") == 0) {
    01334       _show_todo |= 2;
    01335       argc--, argv++;
    01336       continue;
    01337     }
    01338
    01339     if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0) {
    01340       puts(
    01341         "strgen - $Revision: 15456 $\n"
    01342         " -v | --version    print version information and exit\n"
    01343         " -t | --todo       replace any untranslated strings with '<TODO>'\n"
    01344         " -w | --warning    print a warning for any untranslated strings\n"
    01345         " -h | -? | --help  print this help message and exit\n"
    01346         " -s | --source_dir search for english.txt in the specified directory\n"
    01347         " -d | --dest_dir   put output file in the specified directory, create if needed\n"
    01348         " Run without parameters and strgen will search for english.txt and parse it,\n"
    01349         " creating strings.h. Passing an argument, strgen will translate that language\n"
    01350         " file using english.txt as a reference and output <language>.lng."
    01351       );
    01352       return 0;
    01353     }
    01354
    01355     if (argc > 2 && (strcmp(argv[1], "-s") == 0 || strcmp(argv[1], "--source_dir") == 0)) {
    01356       src_dir = replace_pathsep(argv[2]);
    01357       argc -= 2, argv += 2;
    01358       continue;
    01359     }
    01360
    01361     if (argc > 2 && (strcmp(argv[1], "-d") == 0 || strcmp(argv[1], "--dest_dir") == 0)) {
    01362       dest_dir = replace_pathsep(argv[2]);
    01363       argc -= 2, argv += 2;
    01364       continue;
    01365     }
    01366
    01367     fprintf(stderr, "Invalid arguments\n");
    01368     return 0;
    01369   }
    01370
    01371   if (dest_dir == NULL) dest_dir = src_dir; // if dest_dir is not specified, it equals src_dir
    01372
    01373   /* strgen has two modes of operation. If no (free) arguments are passed
    01374    * strgen generates strings.h to the destination directory. If it is supplied
    01375    * with a (free) parameter the program will translate that language to destination
    01376    * directory. As input english.txt is parsed from the source directory */
    01377   if (argc == 1) {
    01378     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
    01379
    01380     /* parse master file */
    01381     _masterlang = true;
    01382     ParseFile(pathbuf, true);
    01383     MakeHashOfStrings();
    01384     if (_errors) return 1;
    01385
    01386     /* write strings.h */
    01387     ottd_mkdir(dest_dir);
    01388     mkpath(pathbuf, lengthof(pathbuf), dest_dir, "strings.h");
    01389     WriteStringsH(pathbuf);
    01390   } else if (argc == 2) {
    01391     char *r;
    01392
    01393     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
    01394
    01395     /* parse master file and check if target file is correct */
    01396     _masterlang = false;
    01397     ParseFile(pathbuf, true);
    01398     MakeHashOfStrings();
    01399     ParseFile(replace_pathsep(argv[1]), false); // target file
    01400     if (_errors) return 1;
    01401
    01402     /* get the targetfile, strip any directories and append to destination path */
    01403     r = strrchr(argv[1], PATHSEPCHAR);
    01404     mkpath(pathbuf, lengthof(pathbuf), dest_dir, (r != NULL) ? &r[1] : argv[1]);
    01405
    01406     /* rename the .txt (input-extension) to .lng */
    01407     r = strrchr(pathbuf, '.');
    01408     if (r == NULL || strcmp(r, ".txt") != 0) r = strchr(pathbuf, '\0');
    01409     ttd_strlcpy(r, ".lng", (size_t)(r - pathbuf));
    01410     WriteLangfile(pathbuf);
    01411
    01412     /* if showing warnings, print a summary of the language */
    01413     if ((_show_todo & 2) != 0) {
    01414       fprintf(stdout, "%d warnings and %d errors for %s\n", _warnings, _errors, pathbuf);
    01415     }
    01416   } else {
    01417     fprintf(stderr, "Invalid arguments\n");
    01418   }
    01419
    01420   return 0;
    01421 }