# strgen.cpp

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    00001 /* $Id: strgen.cpp 15718 2009-03-15 00:32:18Z 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 };
    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, ...)
    00155 {
    00156   char buf[1024];
    00157   va_list va;
    00158   va_start(va, s);
    00159   vsnprintf(buf, lengthof(buf), s, va);
    00160   va_end(va);
    00161   fprintf(stderr, "%s" LINE_NUM_FMT ": warning: %s\n", _file, _cur_line, buf);
    00162   _warnings++;
    00163 }
    00164
    00165 static void CDECL strgen_error(const char *s, ...)
    00166 {
    00167   char buf[1024];
    00168   va_list va;
    00169   va_start(va, s);
    00170   vsnprintf(buf, lengthof(buf), s, va);
    00171   va_end(va);
    00172   fprintf(stderr, "%s" LINE_NUM_FMT ": error: %s\n", _file, _cur_line, buf);
    00173   _errors++;
    00174 }
    00175
    00176 void NORETURN CDECL error(const char *s, ...)
    00177 {
    00178   char buf[1024];
    00179   va_list va;
    00180   va_start(va, s);
    00181   vsnprintf(buf, lengthof(buf), s, va);
    00182   va_end(va);
    00183   fprintf(stderr, "%s" LINE_NUM_FMT ": FATAL: %s\n", _file, _cur_line, buf);
    00184   exit(1);
    00185 }
    00186
    00187 static void PutByte(byte c)
    00188 {
    00189   if (_put_pos == lengthof(_put_buf)) error("Put buffer too small");
    00190   _put_buf[_put_pos++] = c;
    00191 }
    00192
    00193
    00194 static void PutUtf8(uint32 value)
    00195 {
    00196   if (value < 0x80) {
    00197     PutByte(value);
    00198   } else if (value < 0x800) {
    00199     PutByte(0xC0 + GB(value,  6, 5));
    00200     PutByte(0x80 + GB(value,  0, 6));
    00201   } else if (value < 0x10000) {
    00202     PutByte(0xE0 + GB(value, 12, 4));
    00203     PutByte(0x80 + GB(value,  6, 6));
    00204     PutByte(0x80 + GB(value,  0, 6));
    00205   } else if (value < 0x110000) {
    00206     PutByte(0xF0 + GB(value, 18, 3));
    00207     PutByte(0x80 + GB(value, 12, 6));
    00208     PutByte(0x80 + GB(value,  6, 6));
    00209     PutByte(0x80 + GB(value,  0, 6));
    00210   } else {
    00211     strgen_warning("Invalid unicode value U+0x%X", value);
    00212   }
    00213 }
    00214
    00215
    00216 size_t Utf8Validate(const char *s)
    00217 {
    00218   uint32 c;
    00219
    00220   if (!HasBit(s[0], 7)) {
    00221     /* 1 byte */
    00222     return 1;
    00223   } else if (GB(s[0], 5, 3) == 6 && IsUtf8Part(s[1])) {
    00224     /* 2 bytes */
    00225     c = GB(s[0], 0, 5) << 6 | GB(s[1], 0, 6);
    00226     if (c >= 0x80) return 2;
    00227   } else if (GB(s[0], 4, 4) == 14 && IsUtf8Part(s[1]) && IsUtf8Part(s[2])) {
    00228     /* 3 bytes */
    00229     c = GB(s[0], 0, 4) << 12 | GB(s[1], 0, 6) << 6 | GB(s[2], 0, 6);
    00230     if (c >= 0x800) return 3;
    00231   } else if (GB(s[0], 3, 5) == 30 && IsUtf8Part(s[1]) && IsUtf8Part(s[2]) && IsUtf8Part(s[3])) {
    00232     /* 4 bytes */
    00233     c = GB(s[0], 0, 3) << 18 | GB(s[1], 0, 6) << 12 | GB(s[2], 0, 6) << 6 | GB(s[3], 0, 6);
    00234     if (c >= 0x10000 && c <= 0x10FFFF) return 4;
    00235   }
    00236
    00237   return 0;
    00238 }
    00239
    00240
    00241 static void EmitSingleChar(char *buf, int value)
    00242 {
    00243   if (*buf != '\0') strgen_warning("Ignoring trailing letters in command");
    00244   PutUtf8(value);
    00245 }
    00246
    00247
    00248 static void EmitSetX(char *buf, int value)
    00249 {
    00250   char *err;
    00251   int x = strtol(buf, &err, 0);
    00252   if (*err != 0) error("SetX param invalid");
    00253   PutUtf8(SCC_SETX);
    00254   PutByte((byte)x);
    00255 }
    00256
    00257
    00258 static void EmitSetXY(char *buf, int value)
    00259 {
    00260   char *err;
    00261   int x;
    00262   int y;
    00263
    00264   x = strtol(buf, &err, 0);
    00265   if (*err != ' ') error("SetXY param invalid");
    00266   y = strtol(err + 1, &err, 0);
    00267   if (*err != 0) error("SetXY param invalid");
    00268
    00269   PutUtf8(SCC_SETXY);
    00270   PutByte((byte)x);
    00271   PutByte((byte)y);
    00272 }
    00273
    00274 /* The plural specifier looks like
    00275  * {NUM} {PLURAL -1 passenger passengers} then it picks either passenger/passengers depending on the count in NUM */
    00276
    00277 /* This is encoded like
    00278  *  CommandByte <ARG#> <NUM> {Length of each string} {each string} */
    00279
    00280 bool ParseRelNum(char **buf, int *value)
    00281 {
    00282   const char *s = *buf;
    00283   char *end;
    00284   bool rel = false;
    00285   int v;
    00286
    00287   while (*s == ' ' || *s == '\t') s++;
    00288   if (*s == '+') {
    00289     rel = true;
    00290     s++;
    00291   }
    00292   v = strtol(s, &end, 0);
    00293   if (end == s) return false;
    00294   if (rel || v < 0) {
    00295     *value += v;
    00296   } else {
    00297     *value = v;
    00298   }
    00299   *buf = end;
    00300   return true;
    00301 }
    00302
    00303 /* Parse out the next word, or NULL */
    00304 char *ParseWord(char **buf)
    00305 {
    00306   char *s = *buf, *r;
    00307
    00308   while (*s == ' ' || *s == '\t') s++;
    00309   if (*s == '\0') return NULL;
    00310
    00311   if (*s == '"') {
    00312     r = ++s;
    00313     /* parse until next " or NUL */
    00314     for (;;) {
    00315       if (*s == '\0') break;
    00316       if (*s == '"') {
    00317         *s++ = '\0';
    00318         break;
    00319       }
    00320       s++;
    00321     }
    00322   } else {
    00323     /* proceed until whitespace or NUL */
    00324     r = s;
    00325     for (;;) {
    00326       if (*s == '\0') break;
    00327       if (*s == ' ' || *s == '\t') {
    00328         *s++ = '\0';
    00329         break;
    00330       }
    00331       s++;
    00332     }
    00333   }
    00334   *buf = s;
    00335   return r;
    00336 }
    00337
    00338 /* Forward declaration */
    00339 static int TranslateArgumentIdx(int arg);
    00340
    00341 static void EmitWordList(const char * const *words, uint nw)
    00342 {
    00343   uint i;
    00344   uint j;
    00345
    00346   PutByte(nw);
    00347   for (i = 0; i < nw; i++) PutByte(strlen(words[i]));
    00348   for (i = 0; i < nw; i++) {
    00349     for (j = 0; words[i][j] != '\0'; j++) PutByte(words[i][j]);
    00350   }
    00351 }
    00352
    00353 static void EmitPlural(char *buf, int value)
    00354 {
    00355   int argidx = _cur_argidx;
    00356   const char *words[5];
    00357   int nw = 0;
    00358
    00359   /* Parse out the number, if one exists. Otherwise default to prev arg. */
    00360   if (!ParseRelNum(&buf, &argidx)) argidx--;
    00361
    00362   /* Parse each string */
    00363   for (nw = 0; nw < 5; nw++) {
    00364     words[nw] = ParseWord(&buf);
    00365     if (words[nw] == NULL) break;
    00366   }
    00367
    00368   if (nw == 0)
    00369     error("%s: No plural words", _cur_ident);
    00370
    00371   if (_plural_form_counts[_lang_pluralform] != nw) {
    00372     if (_translated) {
    00373       error("%s: Invalid number of plural forms. Expecting %d, found %d.", _cur_ident,
    00374         _plural_form_counts[_lang_pluralform], nw);
    00375     } else {
    00376       if ((_show_todo & 2) != 0) strgen_warning("'%s' is untranslated. Tweaking english string to allow compilation for plural forms", _cur_ident);
    00377       if (nw > _plural_form_counts[_lang_pluralform]) {
    00378         nw = _plural_form_counts[_lang_pluralform];
    00379       } else {
    00380         for (; nw < _plural_form_counts[_lang_pluralform]; nw++) {
    00381           words[nw] = words[nw - 1];
    00382         }
    00383       }
    00384     }
    00385   }
    00386
    00387   PutUtf8(SCC_PLURAL_LIST);
    00388   PutByte(TranslateArgumentIdx(argidx));
    00389   EmitWordList(words, nw);
    00390 }
    00391
    00392
    00393 static void EmitGender(char *buf, int value)
    00394 {
    00395   int argidx = _cur_argidx;
    00396   uint nw;
    00397
    00398   if (buf[0] == '=') {
    00399     buf++;
    00400
    00401     /* This is a {G=DER} command */
    00402     for (nw = 0; ; nw++) {
    00403       if (nw >= 8) error("G argument '%s' invalid", buf);
    00404       if (strcmp(buf, _genders[nw]) == 0) break;
    00405     }
    00406     /* now nw contains the gender index */
    00407     PutUtf8(SCC_GENDER_INDEX);
    00408     PutByte(nw);
    00409   } else {
    00410     const char *words[8];
    00411
    00412     /* This is a {G 0 foo bar two} command.
    00413      * If no relative number exists, default to +0 */
    00414     if (!ParseRelNum(&buf, &argidx)) {}
    00415
    00416     for (nw = 0; nw < 8; nw++) {
    00417       words[nw] = ParseWord(&buf);
    00418       if (words[nw] == NULL) break;
    00419     }
    00420     if (nw != _numgenders) error("Bad # of arguments for gender command");
    00421     PutUtf8(SCC_GENDER_LIST);
    00422     PutByte(TranslateArgumentIdx(argidx));
    00423     EmitWordList(words, nw);
    00424   }
    00425 }
    00426
    00427
    00428 static const CmdStruct _cmd_structs[] = {
    00429   /* Update position */
    00430   {"SETX",  EmitSetX,  SCC_SETX,  0, 0},
    00431   {"SETXY", EmitSetXY, SCC_SETXY, 0, 0},
    00432
    00433   /* Font size */
    00434   {"TINYFONT", EmitSingleChar, SCC_TINYFONT, 0, 0},
    00435   {"BIGFONT",  EmitSingleChar, SCC_BIGFONT,  0, 0},
    00436
    00437   /* Colors */
    00438   {"BLUE",    EmitSingleChar, SCC_BLUE,    0, 0},
    00439   {"SILVER",  EmitSingleChar, SCC_SILVER,  0, 0},
    00440   {"GOLD",    EmitSingleChar, SCC_GOLD,    0, 0},
    00441   {"RED",     EmitSingleChar, SCC_RED,     0, 0},
    00442   {"PURPLE",  EmitSingleChar, SCC_PURPLE,  0, 0},
    00443   {"LTBROWN", EmitSingleChar, SCC_LTBROWN, 0, 0},
    00444   {"ORANGE",  EmitSingleChar, SCC_ORANGE,  0, 0},
    00445   {"GREEN",   EmitSingleChar, SCC_GREEN,   0, 0},
    00446   {"YELLOW",  EmitSingleChar, SCC_YELLOW,  0, 0},
    00447   {"DKGREEN", EmitSingleChar, SCC_DKGREEN, 0, 0},
    00448   {"CREAM",   EmitSingleChar, SCC_CREAM,   0, 0},
    00449   {"BROWN",   EmitSingleChar, SCC_BROWN,   0, 0},
    00450   {"WHITE",   EmitSingleChar, SCC_WHITE,   0, 0},
    00451   {"LTBLUE",  EmitSingleChar, SCC_LTBLUE,  0, 0},
    00452   {"GRAY",    EmitSingleChar, SCC_GRAY,    0, 0},
    00453   {"DKBLUE",  EmitSingleChar, SCC_DKBLUE,  0, 0},
    00454   {"BLACK",   EmitSingleChar, SCC_BLACK,   0, 0},
    00455
    00456   {"CURRCOMPACT",   EmitSingleChar, SCC_CURRENCY_COMPACT,    1, 0}, // compact currency
    00457   {"REV",           EmitSingleChar, SCC_REVISION,            0, 0}, // openttd revision string
    00458   {"SHORTCARGO",    EmitSingleChar, SCC_CARGO_SHORT,         2, 0}, // short cargo description, only ### tons, or ### litres
    00459
    00460   {"STRING1", EmitSingleChar, SCC_STRING1, 2, C_CASE}, // included string that consumes the string id and ONE argument
    00461   {"STRING2", EmitSingleChar, SCC_STRING2, 3, C_CASE}, // included string that consumes the string id and TWO arguments
    00462   {"STRING3", EmitSingleChar, SCC_STRING3, 4, C_CASE}, // included string that consumes the string id and THREE arguments
    00463   {"STRING4", EmitSingleChar, SCC_STRING4, 5, C_CASE}, // included string that consumes the string id and FOUR arguments
    00464   {"STRING5", EmitSingleChar, SCC_STRING5, 6, C_CASE}, // included string that consumes the string id and FIVE arguments
    00465
    00466   {"STATIONFEATURES", EmitSingleChar, SCC_STATION_FEATURES, 1, 0}, // station features string, icons of the features
    00467   {"INDUSTRY",        EmitSingleChar, SCC_INDUSTRY_NAME,    1, 0}, // industry, takes an industry #
    00468   {"CARGO",           EmitSingleChar, SCC_CARGO,            2, 0},
    00469   {"POWER",           EmitSingleChar, SCC_POWER,            1, 0},
    00470   {"VOLUME",          EmitSingleChar, SCC_VOLUME,           1, 0},
    00471   {"VOLUME_S",        EmitSingleChar, SCC_VOLUME_SHORT,     1, 0},
    00472   {"WEIGHT",          EmitSingleChar, SCC_WEIGHT,           1, 0},
    00473   {"WEIGHT_S",        EmitSingleChar, SCC_WEIGHT_SHORT,     1, 0},
    00474   {"FORCE",           EmitSingleChar, SCC_FORCE,            1, 0},
    00475   {"VELOCITY",        EmitSingleChar, SCC_VELOCITY,         1, 0},
    00476
    00477   {"P", EmitPlural, 0, 0, C_DONTCOUNT}, // plural specifier
    00478   {"G", EmitGender, 0, 0, C_DONTCOUNT}, // gender specifier
    00479
    00480   {"DATE_TINY",  EmitSingleChar, SCC_DATE_TINY, 1, 0},
    00481   {"DATE_SHORT", EmitSingleChar, SCC_DATE_SHORT, 1, 0},
    00482   {"DATE_LONG",  EmitSingleChar, SCC_DATE_LONG, 1, 0},
    00483   {"DATE_ISO",   EmitSingleChar, SCC_DATE_ISO, 1, 0},
    00484
    00485   {"SKIP", EmitSingleChar, SCC_SKIP, 1, 0},
    00486
    00487   {"STRING", EmitSingleChar, SCC_STRING, 1, C_CASE},
    00488   {"RAW_STRING", EmitSingleChar, SCC_RAW_STRING_POINTER, 1, 0},
    00489
    00490   /* Numbers */
    00491   {"COMMA", EmitSingleChar, SCC_COMMA, 1, 0}, // Number with comma
    00492   {"NUM",   EmitSingleChar, SCC_NUM,   1, 0}, // Signed number
    00493   {"BYTES", EmitSingleChar, SCC_BYTES, 1, 0}, // Unsigned number with "bytes", i.e. "1.02 MiB or 123 KiB"
    00494
    00495   {"CURRENCY",   EmitSingleChar, SCC_CURRENCY,    1, 0},
    00496
    00497   {"WAYPOINT", EmitSingleChar, SCC_WAYPOINT_NAME, 1, 0}, // waypoint name
    00498   {"STATION",  EmitSingleChar, SCC_STATION_NAME,  1, 0},
    00499   {"TOWN",     EmitSingleChar, SCC_TOWN_NAME,     1, 0},
    00500   {"GROUP",    EmitSingleChar, SCC_GROUP_NAME,    1, 0},
    00501   {"SIGN",     EmitSingleChar, SCC_SIGN_NAME,     1, 0},
    00502   {"ENGINE",   EmitSingleChar, SCC_ENGINE_NAME,   1, 0},
    00503   {"VEHICLE",  EmitSingleChar, SCC_VEHICLE_NAME,  1, 0},
    00504   {"COMPANY",  EmitSingleChar, SCC_COMPANY_NAME,  1, 0},
    00505   {"COMPANYNUM", EmitSingleChar, SCC_COMPANY_NUM, 1, 0},
    00506   {"PRESIDENTNAME", EmitSingleChar, SCC_PRESIDENT_NAME, 1, 0},
    00507
    00508   // 0x9D is used for the pseudo command SETCASE
    00509   // 0x9E is used for case switching
    00510
    00511   {"",               EmitSingleChar, '\n',               0, C_DONTCOUNT},
    00512   {"{",              EmitSingleChar, '{',                0, C_DONTCOUNT},
    00513   {"UPARROW",        EmitSingleChar, SCC_UPARROW,        0, 0},
    00514   {"SMALLUPARROW",   EmitSingleChar, SCC_SMALLUPARROW,   0, 0},
    00515   {"SMALLDOWNARROW", EmitSingleChar, SCC_SMALLDOWNARROW, 0, 0},
    00516   {"TRAIN",          EmitSingleChar, SCC_TRAIN,          0, 0},
    00517   {"LORRY",          EmitSingleChar, SCC_LORRY,          0, 0},
    00518   {"BUS",            EmitSingleChar, SCC_BUS,            0, 0},
    00519   {"PLANE",          EmitSingleChar, SCC_PLANE,          0, 0},
    00520   {"SHIP",           EmitSingleChar, SCC_SHIP,           0, 0},
    00521   {"NBSP",           EmitSingleChar, 0xA0,               0, C_DONTCOUNT},
    00522   {"CENT",           EmitSingleChar, 0xA2,               0, C_DONTCOUNT},
    00523   {"POUNDSIGN",      EmitSingleChar, 0xA3,               0, C_DONTCOUNT},
    00524   {"EURO",           EmitSingleChar, 0x20AC,             0, C_DONTCOUNT},
    00525   {"YENSIGN",        EmitSingleChar, 0xA5,               0, C_DONTCOUNT},
    00526   {"COPYRIGHT",      EmitSingleChar, 0xA9,               0, C_DONTCOUNT},
    00527   {"DOWNARROW",      EmitSingleChar, SCC_DOWNARROW,      0, C_DONTCOUNT},
    00528   {"CHECKMARK",      EmitSingleChar, SCC_CHECKMARK,      0, C_DONTCOUNT},
    00529   {"CROSS",          EmitSingleChar, SCC_CROSS,          0, C_DONTCOUNT},
    00530   {"REGISTERED",     EmitSingleChar, 0xAE,               0, C_DONTCOUNT},
    00531   {"RIGHTARROW",     EmitSingleChar, SCC_RIGHTARROW,     0, C_DONTCOUNT},
    00532   {"SMALLLEFTARROW", EmitSingleChar, SCC_LESSTHAN,       0, C_DONTCOUNT},
    00533   {"SMALLRIGHTARROW",EmitSingleChar, SCC_GREATERTHAN,    0, C_DONTCOUNT},
    00534
    00535   /* The following are directional formatting codes used to get the RTL strings right:
    00536    * http://www.unicode.org/unicode/reports/tr9/#Directional_Formatting_Codes */
    00537   {"LRM",            EmitSingleChar, 0x200E,             0, C_DONTCOUNT},
    00538   {"RLM",            EmitSingleChar, 0x200F,             0, C_DONTCOUNT},
    00539   {"LRE",            EmitSingleChar, 0x202A,             0, C_DONTCOUNT},
    00540   {"RLE",            EmitSingleChar, 0x202B,             0, C_DONTCOUNT},
    00541   {"LRO",            EmitSingleChar, 0x202D,             0, C_DONTCOUNT},
    00542   {"RLO",            EmitSingleChar, 0x202E,             0, C_DONTCOUNT},
    00543   {"PDF",            EmitSingleChar, 0x202C,             0, C_DONTCOUNT},
    00544 };
    00545
    00546
    00547 static const CmdStruct *FindCmd(const char *s, int len)
    00548 {
    00549   const CmdStruct *cs;
    00550
    00551   for (cs = _cmd_structs; cs != endof(_cmd_structs); cs++) {
    00552     if (strncmp(cs->cmd, s, len) == 0 && cs->cmd[len] == '\0') return cs;
    00553   }
    00554   return NULL;
    00555 }
    00556
    00557 static uint ResolveCaseName(const char *str, uint len)
    00558 {
    00559   uint i;
    00560
    00561   for (i = 0; i < MAX_NUM_CASES; i++) {
    00562     if (memcmp(_cases[i], str, len) == 0 && _cases[i][len] == 0) return i + 1;
    00563   }
    00564   error("Invalid case-name '%s'", str);
    00565 }
    00566
    00567
    00568 /* returns NULL on eof
    00569  * else returns command struct */
    00570 static const CmdStruct *ParseCommandString(const char **str, char *param, int *argno, int *casei)
    00571 {
    00572   const char *s = *str, *start;
    00573   const CmdStruct *cmd;
    00574   byte c;
    00575
    00576   *argno = -1;
    00577   *casei = -1;
    00578
    00579   /* Scan to the next command, exit if there's no next command. */
    00580   for (; *s != '{'; s++) {
    00581     if (*s == '\0') return NULL;
    00582   }
    00583   s++; // Skip past the {
    00584
    00585   if (*s >= '0' && *s <= '9') {
    00586     char *end;
    00587
    00588     *argno = strtoul(s, &end, 0);
    00589     if (*end != ':') error("missing arg #");
    00590     s = end + 1;
    00591   }
    00592
    00593   /* parse command name */
    00594   start = s;
    00595   do {
    00596     c = *s++;
    00597   } while (c != '}' && c != ' ' && c != '=' && c != '.' && c != 0);
    00598
    00599   cmd = FindCmd(start, s - start - 1);
    00600   if (cmd == NULL) {
    00601     strgen_error("Undefined command '%.*s'", s - start - 1, start);
    00602     return NULL;
    00603   }
    00604
    00605   if (c == '.') {
    00606     const char *casep = s;
    00607
    00608     if (!(cmd->flags & C_CASE))
    00609       error("Command '%s' can't have a case", cmd->cmd);
    00610
    00611     do c = *s++; while (c != '}' && c != ' ' && c != '\0');
    00612     *casei = ResolveCaseName(casep, s - casep - 1);
    00613   }
    00614
    00615   if (c == '\0') {
    00616     strgen_error("Missing } from command '%s'", start);
    00617     return NULL;
    00618   }
    00619
    00620
    00621   if (c != '}') {
    00622     if (c == '=') s--;
    00623     /* copy params */
    00624     start = s;
    00625     for (;;) {
    00626       c = *s++;
    00627       if (c == '}') break;
    00628       if (c == '\0') {
    00629         strgen_error("Missing } from command '%s'", start);
    00630         return NULL;
    00631       }
    00632       if (s - start == 250) error("param command too long");
    00633       *param++ = c;
    00634     }
    00635   }
    00636   *param = '\0';
    00637
    00638   *str = s;
    00639
    00640   return cmd;
    00641 }
    00642
    00643
    00644 static void HandlePragma(char *str)
    00645 {
    00646   if (!memcmp(str, "id ", 3)) {
    00647     _next_string_id = strtoul(str + 3, NULL, 0);
    00648   } else if (!memcmp(str, "name ", 5)) {
    00649     strecpy(_lang_name, str + 5, lastof(_lang_name));
    00650   } else if (!memcmp(str, "ownname ", 8)) {
    00651     strecpy(_lang_ownname, str + 8, lastof(_lang_ownname));
    00652   } else if (!memcmp(str, "isocode ", 8)) {
    00653     strecpy(_lang_isocode, str + 8, lastof(_lang_isocode));
    00654   } else if (!memcmp(str, "plural ", 7)) {
    00655     _lang_pluralform = atoi(str + 7);
    00656     if (_lang_pluralform >= lengthof(_plural_form_counts))
    00657       error("Invalid pluralform %d", _lang_pluralform);
    00658   } else if (!memcmp(str, "textdir ", 8)) {
    00659     if (!memcmp(str + 8, "ltr", 3)) {
    00660       _lang_textdir = TD_LTR;
    00661     } else if (!memcmp(str + 8, "rtl", 3)) {
    00662       _lang_textdir = TD_RTL;
    00663     } else {
    00664       error("Invalid textdir %s", str + 8);
    00665     }
    00666   } else if (!memcmp(str, "winlangid ", 10)) {
    00667     const char *buf = str + 10;
    00668     long langid = strtol(buf, NULL, 16);
    00669     if (langid > UINT16_MAX || langid < 0) {
    00670       error("Invalid winlangid %s", buf);
    00671     }
    00672     _lang_winlangid = (uint16)langid;
    00673   } else if (!memcmp(str, "grflangid ", 10)) {
    00674     const char *buf = str + 10;
    00675     long langid = strtol(buf, NULL, 16);
    00676     if (langid >= 0x7F || langid < 0) {
    00677       error("Invalid grflangid %s", buf);
    00678     }
    00679     _lang_newgrflangid = (uint8)langid;
    00680   } else if (!memcmp(str, "gender ", 7)) {
    00681     char *buf = str + 7;
    00682
    00683     for (;;) {
    00684       const char *s = ParseWord(&buf);
    00685
    00686       if (s == NULL) break;
    00687       if (_numgenders >= MAX_NUM_GENDER) error("Too many genders, max %d", MAX_NUM_GENDER);
    00688       strecpy(_genders[_numgenders], s, lastof(_genders[_numgenders]));
    00689       _numgenders++;
    00690     }
    00691   } else if (!memcmp(str, "case ", 5)) {
    00692     char *buf = str + 5;
    00693
    00694     for (;;) {
    00695       const char *s = ParseWord(&buf);
    00696
    00697       if (s == NULL) break;
    00698       if (_numcases >= MAX_NUM_CASES) error("Too many cases, max %d", MAX_NUM_CASES);
    00699       strecpy(_cases[_numcases], s, lastof(_cases[_numcases]));
    00700       _numcases++;
    00701     }
    00702   } else {
    00703     error("unknown pragma '%s'", str);
    00704   }
    00705 }
    00706
    00707 static void ExtractCommandString(ParsedCommandStruct *p, const char *s, bool warnings)
    00708 {
    00709   char param[100];
    00710   int argno;
    00711   int argidx = 0;
    00712   int casei;
    00713
    00714   memset(p, 0, sizeof(*p));
    00715
    00716   for (;;) {
    00717     /* read until next command from a. */
    00718     const CmdStruct *ar = ParseCommandString(&s, param, &argno, &casei);
    00719
    00720     if (ar == NULL) break;
    00721
    00722     /* Sanity checking */
    00723     if (argno != -1 && ar->consumes == 0) error("Non consumer param can't have a paramindex");
    00724
    00725     if (ar->consumes) {
    00726       if (argno != -1) argidx = argno;
    00727       if (argidx < 0 || (uint)argidx >= lengthof(p->cmd)) error("invalid param idx %d", argidx);
    00728       if (p->cmd[argidx] != NULL && p->cmd[argidx] != ar) error("duplicate param idx %d", argidx);
    00729
    00730       p->cmd[argidx++] = ar;
    00731     } else if (!(ar->flags & C_DONTCOUNT)) { // Ignore some of them
    00732       if (p->np >= lengthof(p->pairs)) error("too many commands in string, max %d", lengthof(p->pairs));
    00733       p->pairs[p->np].a = ar;
    00734       p->pairs[p->np].v = param[0] != '\0' ? strdup(param) : "";
    00735       p->np++;
    00736     }
    00737   }
    00738 }
    00739
    00740
    00741 static const CmdStruct *TranslateCmdForCompare(const CmdStruct *a)
    00742 {
    00743   if (a == NULL) return NULL;
    00744
    00745   if (strcmp(a->cmd, "STRING1") == 0 ||
    00746       strcmp(a->cmd, "STRING2") == 0 ||
    00747       strcmp(a->cmd, "STRING3") == 0 ||
    00748       strcmp(a->cmd, "STRING4") == 0 ||
    00749       strcmp(a->cmd, "STRING5") == 0 ||
    00750       strcmp(a->cmd, "RAW_STRING") == 0){
    00751     return FindCmd("STRING", 6);
    00752   }
    00753
    00754   if (strcmp(a->cmd, "SKIP") == 0) return NULL;
    00755
    00756   return a;
    00757 }
    00758
    00759
    00760 static bool CheckCommandsMatch(char *a, char *b, const char *name)
    00761 {
    00762   ParsedCommandStruct templ;
    00763   ParsedCommandStruct lang;
    00764   uint i, j;
    00765   bool result = true;
    00766
    00767   ExtractCommandString(&templ, b, true);
    00768   ExtractCommandString(&lang, a, true);
    00769
    00770   /* For each string in templ, see if we find it in lang */
    00771   if (templ.np != lang.np) {
    00772     strgen_warning("%s: template string and language string have a different # of commands", name);
    00773     result = false;
    00774   }
    00775
    00776   for (i = 0; i < templ.np; i++) {
    00777     /* see if we find it in lang, and zero it out */
    00778     bool found = false;
    00779     for (j = 0; j < lang.np; j++) {
    00780       if (templ.pairs[i].a == lang.pairs[j].a &&
    00781           strcmp(templ.pairs[i].v, lang.pairs[j].v) == 0) {
    00782         /* it was found in both. zero it out from lang so we don't find it again */
    00783         lang.pairs[j].a = NULL;
    00784         found = true;
    00785         break;
    00786       }
    00787     }
    00788
    00789     if (!found) {
    00790       strgen_warning("%s: command '%s' exists in template file but not in language file", name, templ.pairs[i].a->cmd);
    00791       result = false;
    00792     }
    00793   }
    00794
    00795   /* if we reach here, all non consumer commands match up.
    00796    * Check if the non consumer commands match up also. */
    00797   for (i = 0; i < lengthof(templ.cmd); i++) {
    00798     if (TranslateCmdForCompare(templ.cmd[i]) != TranslateCmdForCompare(lang.cmd[i])) {
    00799       strgen_warning("%s: Param idx #%d '%s' doesn't match with template command '%s'", name, i,
    00800         lang.cmd[i]  == NULL ? "<empty>" : lang.cmd[i]->cmd,
    00801         templ.cmd[i] == NULL ? "<empty>" : templ.cmd[i]->cmd);
    00802       result = false;
    00803     }
    00804   }
    00805
    00806   return result;
    00807 }
    00808
    00809 static void HandleString(char *str, bool master)
    00810 {
    00811   char *s, *t;
    00812   LangString *ent;
    00813   char *casep;
    00814
    00815   if (*str == '#') {
    00816     if (str[1] == '#' && str[2] != '#') HandlePragma(str + 2);
    00817     return;
    00818   }
    00819
    00820   /* Ignore comments & blank lines */
    00821   if (*str == ';' || *str == ' ' || *str == '\0') return;
    00822
    00823   s = strchr(str, ':');
    00824   if (s == NULL) {
    00825     strgen_error("Line has no ':' delimiter");
    00826     return;
    00827   }
    00828
    00829   /* Trim spaces.
    00830    * After this str points to the command name, and s points to the command contents */
    00831   for (t = s; t > str && (t[-1] == ' ' || t[-1] == '\t'); t--);
    00832   *t = 0;
    00833   s++;
    00834
    00835   /* Check string is valid UTF-8 */
    00836   {
    00837     const char *tmp;
    00838     for (tmp = s; *tmp != '\0';) {
    00839       size_t len = Utf8Validate(tmp);
    00840       if (len == 0) error("Invalid UTF-8 sequence in '%s'", s);
    00841       tmp += len;
    00842     }
    00843   }
    00844
    00845   /* Check if the string has a case..
    00846    * The syntax for cases is IDENTNAME.case */
    00847   casep = strchr(str, '.');
    00848   if (casep) *casep++ = 0;
    00849
    00850   /* Check if this string already exists.. */
    00851   ent = HashFind(str);
    00852
    00853   if (master) {
    00854     if (ent != NULL && casep == NULL) {
    00855       strgen_error("String name '%s' is used multiple times", str);
    00856       return;
    00857     }
    00858
    00859     if (ent == NULL && casep != NULL) {
    00860       strgen_error("Base string name '%s' doesn't exist yet. Define it before defining a case.", str);
    00861       return;
    00862     }
    00863
    00864     if (ent == NULL) {
    00865       if (_strings[_next_string_id]) {
    00866         strgen_error("String ID 0x%X for '%s' already in use by '%s'", ent, str, _strings[_next_string_id]->name);
    00867         return;
    00868       }
    00869
    00870       /* Allocate a new LangString */
    00871       ent = CallocT<LangString>(1);
    00872       _strings[_next_string_id] = ent;
    00873       ent->index = _next_string_id++;
    00874       ent->name = strdup(str);
    00875       ent->line = _cur_line;
    00876
    00877       HashAdd(str, ent);
    00878     }
    00879
    00880     if (casep != NULL) {
    00881       Case *c = MallocT<Case>(1);
    00882
    00883       c->caseidx = ResolveCaseName(casep, strlen(casep));
    00884       c->string = strdup(s);
    00885       c->next = ent->english_case;
    00886       ent->english_case = c;
    00887     } else {
    00888       ent->english = strdup(s);
    00889     }
    00890
    00891   } else {
    00892     if (ent == NULL) {
    00893       strgen_warning("String name '%s' does not exist in master file", str);
    00894       return;
    00895     }
    00896
    00897     if (ent->translated && casep == NULL) {
    00898       strgen_error("String name '%s' is used multiple times", str);
    00899       return;
    00900     }
    00901
    00902     if (s[0] == ':' && s[1] == '\0' && casep == NULL) {
    00903       /* Special syntax :: means we should just inherit the master string */
    00904       ent->translated = strdup(ent->english);
    00905     } else {
    00906       /* make sure that the commands match */
    00907       if (!CheckCommandsMatch(s, ent->english, str)) return;
    00908
    00909       if (casep != NULL) {
    00910         Case *c = MallocT<Case>(1);
    00911
    00912         c->caseidx = ResolveCaseName(casep, strlen(casep));
    00913         c->string = strdup(s);
    00914         c->next = ent->translated_case;
    00915         ent->translated_case = c;
    00916       } else {
    00917         ent->translated = strdup(s);
    00918       }
    00919     }
    00920   }
    00921 }
    00922
    00923
    00924 static void rstrip(char *buf)
    00925 {
    00926   int i = strlen(buf);
    00927   while (i > 0 && (buf[i - 1] == '\r' || buf[i - 1] == '\n' || buf[i - 1] == ' ')) i--;
    00928   buf[i] = '\0';
    00929 }
    00930
    00931
    00932 static void ParseFile(const char *file, bool english)
    00933 {
    00934   FILE *in;
    00935   char buf[2048];
    00936
    00937   _file = file;
    00938
    00939   /* For each new file we parse, reset the genders, and language codes */
    00940   _numgenders = 0;
    00941   _lang_name[0] = _lang_ownname[0] = _lang_isocode[0] = '\0';
    00942   _lang_textdir = TD_LTR;
    00943   _lang_winlangid = 0x0000; // neutral language code
    00944   _lang_newgrflangid = 0; // standard english
    00945   /* TODO:!! We can't reset the cases. In case the translated strings
    00946    * derive some strings from english.... */
    00947
    00948   in = fopen(file, "r");
    00949   if (in == NULL) error("Cannot open file");
    00950   _cur_line = 1;
    00951   while (fgets(buf, sizeof(buf), in) != NULL) {
    00952     rstrip(buf);
    00953     HandleString(buf, english);
    00954     _cur_line++;
    00955   }
    00956   fclose(in);
    00957
    00958   if (StrEmpty(_lang_name) || StrEmpty(_lang_ownname) || StrEmpty(_lang_isocode)) {
    00959     error("Language must include ##name, ##ownname and ##isocode");
    00960   }
    00961 }
    00962
    00963
    00964 static uint32 MyHashStr(uint32 hash, const char *s)
    00965 {
    00966   for (; *s != '\0'; s++) {
    00967     hash = ROL(hash, 3) ^ *s;
    00968     hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
    00969   }
    00970   return hash;
    00971 }
    00972
    00973
    00974 /* make a hash of the file to get a unique "version number" */
    00975 static void MakeHashOfStrings()
    00976 {
    00977   uint32 hash = 0;
    00978   uint i;
    00979
    00980   for (i = 0; i != lengthof(_strings); i++) {
    00981     const LangString *ls = _strings[i];
    00982
    00983     if (ls != NULL) {
    00984       const CmdStruct *cs;
    00985       const char *s;
    00986       char buf[256];
    00987       int argno;
    00988       int casei;
    00989
    00990       s = ls->name;
    00991       hash ^= i * 0x717239;
    00992       hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
    00993       hash = MyHashStr(hash, s + 1);
    00994
    00995       s = ls->english;
    00996       while ((cs = ParseCommandString(&s, buf, &argno, &casei)) != NULL) {
    00997         if (cs->flags & C_DONTCOUNT) continue;
    00998
    00999         hash ^= (cs - _cmd_structs) * 0x1234567;
    01000         hash = (hash & 1 ? hash >> 1 ^ 0xF00BAA4 : hash >> 1);
    01001       }
    01002     }
    01003   }
    01004   _hash = hash;
    01005 }
    01006
    01007
    01008 static uint CountInUse(uint grp)
    01009 {
    01010   int i;
    01011
    01012   for (i = 0x800; --i >= 0;) if (_strings[(grp << 11) + i] != NULL) break;
    01013   return i + 1;
    01014 }
    01015
    01016
    01017 bool CompareFiles(const char *n1, const char *n2)
    01018 {
    01019   FILE *f1, *f2;
    01020   char b1[4096];
    01021   char b2[4096];
    01022   size_t l1, l2;
    01023
    01024   f2 = fopen(n2, "rb");
    01025   if (f2 == NULL) return false;
    01026
    01027   f1 = fopen(n1, "rb");
    01028   if (f1 == NULL) error("can't open %s", n1);
    01029
    01030   do {
    01031     l1 = fread(b1, 1, sizeof(b1), f1);
    01032     l2 = fread(b2, 1, sizeof(b2), f2);
    01033
    01034     if (l1 != l2 || memcmp(b1, b2, l1)) {
    01035       fclose(f2);
    01036       fclose(f1);
    01037       return false;
    01038     }
    01039   } while (l1);
    01040
    01041   fclose(f2);
    01042   fclose(f1);
    01043   return true;
    01044 }
    01045
    01046
    01047 static void WriteStringsH(const char *filename)
    01048 {
    01049   FILE *out;
    01050   int i;
    01051   int next = -1;
    01052
    01053   out = fopen("tmp.xxx", "w");
    01054   if (out == NULL) error("can't open tmp.xxx");
    01055
    01056   fprintf(out, "/* This file is automatically generated. Do not modify */\n\n");
    01057   fprintf(out, "#ifndef TABLE_STRINGS_H\n");
    01058   fprintf(out, "#define TABLE_STRINGS_H\n");
    01059
    01060   for (i = 0; i != lengthof(_strings); i++) {
    01061     if (_strings[i] != NULL) {
    01062       if (next != i) fprintf(out, "\n");
    01063       fprintf(out, "static const StringID %s = 0x%X;\n", _strings[i]->name, i);
    01064       next = i + 1;
    01065     }
    01066   }
    01067
    01068   fprintf(out, "\nstatic const StringID STR_LAST_STRINGID = 0x%X;\n", next - 1);
    01069
    01070   fprintf(out,
    01071     "\nenum {\n"
    01072     "\tLANGUAGE_PACK_IDENT = 0x474E414C, // Big Endian value for 'LANG' (LE is 0x 4C 41 4E 47)\n"
    01073     "\tLANGUAGE_PACK_VERSION = 0x%X,\n"
    01074     "};\n", (uint)_hash
    01075   );
    01076
    01077   fprintf(out, "\n#endif /* TABLE_STRINGS_H */\n");
    01078
    01079   fclose(out);
    01080
    01081   if (CompareFiles("tmp.xxx", filename)) {
    01082     /* files are equal. tmp.xxx is not needed */
    01083     unlink("tmp.xxx");
    01084   } else {
    01085     /* else rename tmp.xxx into filename */
    01086 #if defined(WIN32) || defined(WIN64)
    01087     unlink(filename);
    01088 #endif
    01089     if (rename("tmp.xxx", filename) == -1) error("rename() failed");
    01090   }
    01091 }
    01092
    01093 static int TranslateArgumentIdx(int argidx)
    01094 {
    01095   int i, sum;
    01096
    01097   if (argidx < 0 || (uint)argidx >= lengthof(_cur_pcs.cmd))
    01098     error("invalid argidx %d", argidx);
    01099
    01100   for (i = sum = 0; i < argidx; i++) {
    01101     const CmdStruct *cs = _cur_pcs.cmd[i];
    01102     sum += (cs != NULL) ? cs->consumes : 1;
    01103   }
    01104
    01105   return sum;
    01106 }
    01107
    01108 static void PutArgidxCommand()
    01109 {
    01110   PutUtf8(SCC_ARG_INDEX);
    01111   PutByte(TranslateArgumentIdx(_cur_argidx));
    01112 }
    01113
    01114
    01115 static void PutCommandString(const char *str)
    01116 {
    01117   const CmdStruct *cs;
    01118   char param[256];
    01119   int argno;
    01120   int casei;
    01121
    01122   _cur_argidx = 0;
    01123
    01124   while (*str != '\0') {
    01125     /* Process characters as they are until we encounter a { */
    01126     if (*str != '{') {
    01127       PutByte(*str++);
    01128       continue;
    01129     }
    01130     cs = ParseCommandString(&str, param, &argno, &casei);
    01131     if (cs == NULL) break;
    01132
    01133     if (casei != -1) {
    01134       PutUtf8(SCC_SETCASE); // {SETCASE}
    01135       PutByte(casei);
    01136     }
    01137
    01138     /* For params that consume values, we need to handle the argindex properly */
    01139     if (cs->consumes > 0) {
    01140       /* Check if we need to output a move-param command */
    01141       if (argno != -1 && argno != _cur_argidx) {
    01142         _cur_argidx = argno;
    01143         PutArgidxCommand();
    01144       }
    01145
    01146       /* Output the one from the master string... it's always accurate. */
    01147       cs = _cur_pcs.cmd[_cur_argidx++];
    01148       if (cs == NULL) {
    01149         error("%s: No argument exists at position %d", _cur_ident, _cur_argidx - 1);
    01150       }
    01151     }
    01152
    01153     cs->proc(param, cs->value);
    01154   }
    01155 }
    01156
    01157 static void WriteLength(FILE *f, uint length)
    01158 {
    01159   if (length < 0xC0) {
    01160     fputc(length, f);
    01161   } else if (length < 0x4000) {
    01162     fputc((length >> 8) | 0xC0, f);
    01163     fputc(length & 0xFF, f);
    01164   } else {
    01165     error("string too long");
    01166   }
    01167 }
    01168
    01169
    01170 static void WriteLangfile(const char *filename)
    01171 {
    01172   FILE *f;
    01173   uint in_use[32];
    01174   LanguagePackHeader hdr;
    01175   uint i;
    01176   uint j;
    01177
    01178   f = fopen(filename, "wb");
    01179   if (f == NULL) error("can't open %s", filename);
    01180
    01181   memset(&hdr, 0, sizeof(hdr));
    01182   for (i = 0; i != 32; i++) {
    01183     uint n = CountInUse(i);
    01184
    01185     in_use[i] = n;
    01186     hdr.offsets[i] = TO_LE16(n);
    01187   }
    01188
    01189   /* see line 655: fprintf(..."\tLANGUAGE_PACK_IDENT = 0x474E414C,...) */
    01190   hdr.ident = TO_LE32(0x474E414C); // Big Endian value for 'LANG'
    01191   hdr.version = TO_LE32(_hash);
    01192   hdr.plural_form = _lang_pluralform;
    01193   hdr.text_dir = _lang_textdir;
    01194   hdr.winlangid = TO_LE16(_lang_winlangid);
    01195   hdr.newgrflangid = _lang_newgrflangid;
    01196   strcpy(hdr.name, _lang_name);
    01197   strcpy(hdr.own_name, _lang_ownname);
    01198   strcpy(hdr.isocode, _lang_isocode);
    01199
    01200   fwrite(&hdr, sizeof(hdr), 1, f);
    01201
    01202   for (i = 0; i != 32; i++) {
    01203     for (j = 0; j != in_use[i]; j++) {
    01204       const LangString *ls = _strings[(i << 11) + j];
    01205       const Case *casep;
    01206       const char *cmdp;
    01207
    01208       /* For undefined strings, just set that it's an empty string */
    01209       if (ls == NULL) {
    01210         WriteLength(f, 0);
    01211         continue;
    01212       }
    01213
    01214       _cur_ident = ls->name;
    01215       _cur_line = ls->line;
    01216
    01217       /* Produce a message if a string doesn't have a translation. */
    01218       if (_show_todo > 0 && ls->translated == NULL) {
    01219         if ((_show_todo & 2) != 0) {
    01220           strgen_warning("'%s' is untranslated", ls->name);
    01221         }
    01222         if ((_show_todo & 1) != 0) {
    01223           const char *s = "<TODO> ";
    01224           while (*s != '\0') PutByte(*s++);
    01225         }
    01226       }
    01227
    01228       /* Extract the strings and stuff from the english command string */
    01229       ExtractCommandString(&_cur_pcs, ls->english, false);
    01230
    01231       if (ls->translated_case != NULL || ls->translated != NULL) {
    01232         casep = ls->translated_case;
    01233         cmdp = ls->translated;
    01234       } else {
    01235         casep = ls->english_case;
    01236         cmdp = ls->english;
    01237       }
    01238
    01239       _translated = _masterlang || (cmdp != ls->english);
    01240
    01241       if (casep != NULL) {
    01242         const Case *c;
    01243         uint num;
    01244
    01245         /* Need to output a case-switch.
    01246          * It has this format
    01247          * <0x9E> <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT>
    01248          * Each LEN is printed using 2 bytes in big endian order. */
    01249         PutUtf8(SCC_SWITCH_CASE);
    01250         /* Count the number of cases */
    01251         for (num = 0, c = casep; c; c = c->next) num++;
    01252         PutByte(num);
    01253
    01254         /* Write each case */
    01255         for (c = casep; c != NULL; c = c->next) {
    01256           int pos;
    01257
    01258           PutByte(c->caseidx);
    01259           /* Make some space for the 16-bit length */
    01260           pos = _put_pos;
    01261           PutByte(0);
    01262           PutByte(0);
    01263           /* Write string */
    01264           PutCommandString(c->string);
    01265           PutByte(0); // terminate with a zero
    01266           /* Fill in the length */
    01267           _put_buf[pos + 0] = GB(_put_pos - (pos + 2), 8, 8);
    01268           _put_buf[pos + 1] = GB(_put_pos - (pos + 2), 0, 8);
    01269         }
    01270       }
    01271
    01272       if (cmdp != NULL) PutCommandString(cmdp);
    01273
    01274       WriteLength(f, _put_pos);
    01275       fwrite(_put_buf, 1, _put_pos, f);
    01276       _put_pos = 0;
    01277     }
    01278   }
    01279
    01280   fputc(0, f);
    01281   fclose(f);
    01282 }
    01283
    01285 static inline void ottd_mkdir(const char *directory)
    01286 {
    01287 #if defined(WIN32) || defined(__WATCOMC__)
    01288     mkdir(directory);
    01289 #else
    01290     mkdir(directory, 0755);
    01291 #endif
    01292 }
    01293
    01297 static inline char *mkpath(char *buf, size_t buflen, const char *path, const char *file)
    01298 {
    01299   char *p;
    01300   ttd_strlcpy(buf, path, buflen); // copy directory into buffer
    01301
    01302   p = strchr(buf, '\0'); // add path seperator if necessary
    01303   if (p[-1] != PATHSEPCHAR && (size_t)(p - buf) + 1 < buflen) *p++ = PATHSEPCHAR;
    01304   ttd_strlcpy(p, file, buflen - (size_t)(p - buf)); // catenate filename at end of buffer
    01305   return buf;
    01306 }
    01307
    01308 #if defined(__MINGW32__)
    01309
    01314 static inline char *replace_pathsep(char *s)
    01315 {
    01316   char *c;
    01317
    01318   for (c = s; *c != '\0'; c++) if (*c == '/') *c = '\\';
    01319   return s;
    01320 }
    01321 #else
    01322 static inline char *replace_pathsep(char *s) { return s; }
    01323 #endif
    01324
    01325 int CDECL main(int argc, char *argv[])
    01326 {
    01327   char pathbuf[MAX_PATH];
    01328   const char *src_dir = ".";
    01329   const char *dest_dir = NULL;
    01330
    01331   while (argc > 1 && *argv[1] == '-') {
    01332     if (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0) {
    01333       puts("$Revision: 15718 $");
    01334       return 0;
    01335     }
    01336
    01337     if (strcmp(argv[1], "-t") == 0 || strcmp(argv[1], "--todo") == 0) {
    01338       _show_todo |= 1;
    01339       argc--, argv++;
    01340       continue;
    01341     }
    01342
    01343     if (strcmp(argv[1], "-w") == 0 || strcmp(argv[1], "--warning") == 0) {
    01344       _show_todo |= 2;
    01345       argc--, argv++;
    01346       continue;
    01347     }
    01348
    01349     if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0) {
    01350       puts(
    01351         "strgen - $Revision: 15718 $\n"
    01352         " -v | --version    print version information and exit\n"
    01353         " -t | --todo       replace any untranslated strings with '<TODO>'\n"
    01354         " -w | --warning    print a warning for any untranslated strings\n"
    01355         " -h | -? | --help  print this help message and exit\n"
    01356         " -s | --source_dir search for english.txt in the specified directory\n"
    01357         " -d | --dest_dir   put output file in the specified directory, create if needed\n"
    01358         " Run without parameters and strgen will search for english.txt and parse it,\n"
    01359         " creating strings.h. Passing an argument, strgen will translate that language\n"
    01360         " file using english.txt as a reference and output <language>.lng."
    01361       );
    01362       return 0;
    01363     }
    01364
    01365     if (argc > 2 && (strcmp(argv[1], "-s") == 0 || strcmp(argv[1], "--source_dir") == 0)) {
    01366       src_dir = replace_pathsep(argv[2]);
    01367       argc -= 2, argv += 2;
    01368       continue;
    01369     }
    01370
    01371     if (argc > 2 && (strcmp(argv[1], "-d") == 0 || strcmp(argv[1], "--dest_dir") == 0)) {
    01372       dest_dir = replace_pathsep(argv[2]);
    01373       argc -= 2, argv += 2;
    01374       continue;
    01375     }
    01376
    01377     fprintf(stderr, "Invalid arguments\n");
    01378     return 0;
    01379   }
    01380
    01381   if (dest_dir == NULL) dest_dir = src_dir; // if dest_dir is not specified, it equals src_dir
    01382
    01383   /* strgen has two modes of operation. If no (free) arguments are passed
    01384    * strgen generates strings.h to the destination directory. If it is supplied
    01385    * with a (free) parameter the program will translate that language to destination
    01386    * directory. As input english.txt is parsed from the source directory */
    01387   if (argc == 1) {
    01388     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
    01389
    01390     /* parse master file */
    01391     _masterlang = true;
    01392     ParseFile(pathbuf, true);
    01393     MakeHashOfStrings();
    01394     if (_errors) return 1;
    01395
    01396     /* write strings.h */
    01397     ottd_mkdir(dest_dir);
    01398     mkpath(pathbuf, lengthof(pathbuf), dest_dir, "strings.h");
    01399     WriteStringsH(pathbuf);
    01400   } else if (argc == 2) {
    01401     char *r;
    01402
    01403     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
    01404
    01405     /* parse master file and check if target file is correct */
    01406     _masterlang = false;
    01407     ParseFile(pathbuf, true);
    01408     MakeHashOfStrings();
    01409     ParseFile(replace_pathsep(argv[1]), false); // target file
    01410     if (_errors) return 1;
    01411
    01412     /* get the targetfile, strip any directories and append to destination path */
    01413     r = strrchr(argv[1], PATHSEPCHAR);
    01414     mkpath(pathbuf, lengthof(pathbuf), dest_dir, (r != NULL) ? &r[1] : argv[1]);
    01415
    01416     /* rename the .txt (input-extension) to .lng */
    01417     r = strrchr(pathbuf, '.');
    01418     if (r == NULL || strcmp(r, ".txt") != 0) r = strchr(pathbuf, '\0');
    01419     ttd_strlcpy(r, ".lng", (size_t)(r - pathbuf));
    01420     WriteLangfile(pathbuf);
    01421
    01422     /* if showing warnings, print a summary of the language */
    01423     if ((_show_todo & 2) != 0) {
    01424       fprintf(stdout, "%d warnings and %d errors for %s\n", _warnings, _errors, pathbuf);
    01425     }
    01426   } else {
    01427     fprintf(stderr, "Invalid arguments\n");
    01428   }
    01429
    01430   return 0;
    01431 }