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965d03ca35446f202975bb23528a915b071059d6
openttd/strgen/strgen.c

1400 lines
35 KiB
C
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/* $Id$ */
#include "../stdafx.h"
#include "../macros.h"
#include "../string.h"
#include "../table/control_codes.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#if (!defined(WIN32) && !defined(WIN64)) || defined(__CYGWIN__)
#include <unistd.h>
#endif
#if defined WIN32 || defined __WATCOMC__
#include <direct.h>
#endif /* WIN32 || __WATCOMC__ */
#ifdef __MORPHOS__
#ifdef stderr
#undef stderr
#endif
#define stderr stdout
#endif /* __MORPHOS__ */
#ifdef __WATCOMC__
uint _map_log_x; // an unpleasant hack required because Watcom is insisting on
uint _map_size_x; // these variables being valid references in map.h
uint _map_size_y;
uint _map_tile_mask;
uint _map_size;
#endif /* __WATCOMC__ */
/* Compiles a list of strings into a compiled string list */
typedef void (*ParseCmdProc)(char *buf, int value);
typedef struct LanguagePackHeader {
uint32 ident;
uint32 version; // 32-bits of auto generated version info which is basically a hash of strings.h
char name[32]; // the international name of this language
char own_name[32]; // the localized name of this language
char isocode[16]; // the ISO code for the language (not country code)
uint16 offsets[32]; // the offsets
byte plural_form; // plural form index
byte pad[3]; // pad header to be a multiple of 4
} LanguagePackHeader;
typedef struct CmdStruct {
const char *cmd;
ParseCmdProc proc;
long value;
int8 consumes;
byte flags;
} CmdStruct;
enum {
C_DONTCOUNT = 1,
C_CASE = 2,
};
typedef struct Case {
int caseidx;
char *string;
struct Case *next;
} Case;
static bool _masterlang;
static bool _translated;
static const char* _file = "(unknown file)";
static int _cur_line;
static int _errors, _warnings;
typedef struct LangString {
char *name; // Name of the string
char *english; // English text
char *translated; // Translated text
uint16 hash_next; // next hash entry
uint16 index;
int line; // line of string in source-file
Case *english_case; // cases for english
Case *translated_case; // cases for foreign
} LangString;
static LangString *_strings[65536];
#define HASH_SIZE 32767
static uint16 _hash_head[HASH_SIZE];
static byte _put_buf[4096];
static int _put_pos;
static int _next_string_id;
static uint32 _hash;
static char _lang_name[32], _lang_ownname[32], _lang_isocode[16];
static byte _lang_pluralform;
#define MAX_NUM_GENDER 8
static char _genders[MAX_NUM_GENDER][8];
static int _numgenders;
// contains the name of all cases.
#define MAX_NUM_CASES 50
static char _cases[MAX_NUM_CASES][16];
static int _numcases;
// for each plural value, this is the number of plural forms.
static const byte _plural_form_counts[] = { 2, 1, 2, 3, 3, 3, 3, 3, 4 };
static const char *_cur_ident;
typedef struct CmdPair {
const CmdStruct *a;
char *v;
} CmdPair;
typedef struct ParsedCommandStruct {
int np;
CmdPair pairs[32];
const CmdStruct *cmd[32]; // ordered by param #
} ParsedCommandStruct;
// Used when generating some advanced commands.
static ParsedCommandStruct _cur_pcs;
static int _cur_argidx;
static uint HashStr(const char *s)
{
uint hash = 0;
for (; *s != '\0'; s++) hash = ROL(hash, 3) ^ *s;
return hash % HASH_SIZE;
}
static void HashAdd(const char *s, LangString *ls)
{
uint hash = HashStr(s);
ls->hash_next = _hash_head[hash];
_hash_head[hash] = ls->index + 1;
}
static LangString *HashFind(const char *s)
{
int idx = _hash_head[HashStr(s)];
while (--idx >= 0) {
LangString* ls = _strings[idx];
if (strcmp(ls->name, s) == 0) return ls;
idx = ls->hash_next;
}
return NULL;
}
#ifdef _MSC_VER
# define LINE_NUM_FMT "(%d)"
#else
# define LINE_NUM_FMT ":%d"
#endif
static void CDECL warning(const char *s, ...)
{
char buf[1024];
va_list va;
va_start(va, s);
vsnprintf(buf, lengthof(buf), s, va);
va_end(va);
fprintf(stderr, "%s" LINE_NUM_FMT ": warning: %s\n", _file, _cur_line, buf);
_warnings++;
}
void CDECL error(const char *s, ...)
{
char buf[1024];
va_list va;
va_start(va, s);
vsnprintf(buf, lengthof(buf), s, va);
va_end(va);
fprintf(stderr, "%s" LINE_NUM_FMT ": error: %s\n", _file, _cur_line, buf);
_errors++;
}
static void NORETURN CDECL fatal(const char *s, ...)
{
char buf[1024];
va_list va;
va_start(va, s);
vsnprintf(buf, lengthof(buf), s, va);
va_end(va);
fprintf(stderr, "%s" LINE_NUM_FMT ": FATAL: %s\n", _file, _cur_line, buf);
exit(1);
}
static void PutByte(byte c)
{
if (_put_pos == lengthof(_put_buf)) fatal("Put buffer too small");
_put_buf[_put_pos++] = c;
}
static void PutUtf8(uint32 value)
{
if (value < 0x80) {
PutByte(value);
} else if (value < 0x800) {
PutByte(0xC0 + GB(value, 6, 5));
PutByte(0x80 + GB(value, 0, 6));
} else if (value < 0x10000) {
PutByte(0xE0 + GB(value, 12, 4));
PutByte(0x80 + GB(value, 6, 6));
PutByte(0x80 + GB(value, 0, 6));
} else if (value < 0x110000) {
PutByte(0xF0 + GB(value, 18, 3));
PutByte(0x80 + GB(value, 12, 6));
PutByte(0x80 + GB(value, 6, 6));
PutByte(0x80 + GB(value, 0, 6));
} else {
warning("Invalid unicode value U+0x%X", value);
}
}
size_t Utf8Validate(const char *s)
{
uint32 c;
if (!HASBIT(s[0], 7)) {
/* 1 byte */
return 1;
} else if (GB(s[0], 5, 3) == 6 && IsUtf8Part(s[1])) {
/* 2 bytes */
c = GB(s[0], 0, 5) << 6 | GB(s[1], 0, 6);
if (c >= 0x80) return 2;
} else if (GB(s[0], 4, 4) == 14 && IsUtf8Part(s[1]) && IsUtf8Part(s[2])) {
/* 3 bytes */
c = GB(s[0], 0, 4) << 12 | GB(s[1], 0, 6) << 6 | GB(s[2], 0, 6);
if (c >= 0x800) return 3;
} else if (GB(s[0], 3, 5) == 30 && IsUtf8Part(s[1]) && IsUtf8Part(s[2]) && IsUtf8Part(s[3])) {
/* 4 bytes */
c = GB(s[0], 0, 3) << 18 | GB(s[1], 0, 6) << 12 | GB(s[2], 0, 6) << 6 | GB(s[3], 0, 6);
if (c >= 0x10000 && c <= 0x10FFFF) return 4;
}
return 0;
}
static void EmitSingleChar(char *buf, int value)
{
if (*buf != '\0') warning("Ignoring trailing letters in command");
PutUtf8(value);
}
static void EmitSetX(char *buf, int value)
{
char *err;
int x = strtol(buf, &err, 0);
if (*err != 0) fatal("SetX param invalid");
PutUtf8(SCC_SETX);
PutByte((byte)x);
}
static void EmitSetXY(char *buf, int value)
{
char *err;
int x;
int y;
x = strtol(buf, &err, 0);
if (*err != ' ') fatal("SetXY param invalid");
y = strtol(err + 1, &err, 0);
if (*err != 0) fatal("SetXY param invalid");
PutUtf8(SCC_SETXY);
PutByte((byte)x);
PutByte((byte)y);
}
// The plural specifier looks like
// {NUM} {PLURAL -1 passenger passengers} then it picks either passenger/passengers depending on the count in NUM
// This is encoded like
// CommandByte <ARG#> <NUM> {Length of each string} {each string}
bool ParseRelNum(char **buf, int *value)
{
const char* s = *buf;
char* end;
bool rel = false;
int v;
while (*s == ' ' || *s == '\t') s++;
if (*s == '+') {
rel = true;
s++;
}
v = strtol(s, &end, 0);
if (end == s) return false;
if (rel || v < 0) {
*value += v;
} else {
*value = v;
}
*buf = end;
return true;
}
// Parse out the next word, or NULL
char *ParseWord(char **buf)
{
char *s = *buf, *r;
while (*s == ' ' || *s == '\t') s++;
if (*s == '\0') return NULL;
if (*s == '"') {
r = ++s;
// parse until next " or NUL
for (;;) {
if (*s == '\0') break;
if (*s == '"') {
*s++ = '\0';
break;
}
s++;
}
} else {
// proceed until whitespace or NUL
r = s;
for (;;) {
if (*s == '\0') break;
if (*s == ' ' || *s == '\t') {
*s++ = '\0';
break;
}
s++;
}
}
*buf = s;
return r;
}
// Forward declaration
static int TranslateArgumentIdx(int arg);
static void EmitWordList(const char* const* words, uint nw)
{
uint i;
uint j;
PutByte(nw);
for (i = 0; i < nw; i++) PutByte(strlen(words[i]));
for (i = 0; i < nw; i++) {
for (j = 0; words[i][j] != '\0'; j++) PutByte(words[i][j]);
}
}
static void EmitPlural(char *buf, int value)
{
int argidx = _cur_argidx;
const char* words[5];
int nw = 0;
// Parse out the number, if one exists. Otherwise default to prev arg.
if (!ParseRelNum(&buf, &argidx)) argidx--;
// Parse each string
for (nw = 0; nw < 5; nw++) {
words[nw] = ParseWord(&buf);
if (words[nw] == NULL) break;
}
if (nw == 0)
fatal("%s: No plural words", _cur_ident);
if (_plural_form_counts[_lang_pluralform] != nw) {
if (_translated) {
fatal("%s: Invalid number of plural forms. Expecting %d, found %d.", _cur_ident,
_plural_form_counts[_lang_pluralform], nw);
} else {
warning("'%s' is untranslated. Tweaking english string to allow compilation for plural forms", _cur_ident);
if (nw > _plural_form_counts[_lang_pluralform]) {
nw = _plural_form_counts[_lang_pluralform];
} else {
for (; nw < _plural_form_counts[_lang_pluralform]; nw++) {
words[nw] = words[nw - 1];
}
}
}
}
PutUtf8(SCC_PLURAL_LIST);
PutByte(TranslateArgumentIdx(argidx));
EmitWordList(words, nw);
}
static void EmitGender(char *buf, int value)
{
int argidx = _cur_argidx;
uint nw;
if (buf[0] == '=') {
buf++;
// This is a {G=DER} command
for (nw = 0; ; nw++) {
if (nw >= 8) fatal("G argument '%s' invalid", buf);
if (strcmp(buf, _genders[nw]) == 0) break;
}
// now nw contains the gender index
PutUtf8(SCC_GENDER_INDEX);
PutByte(nw);
} else {
const char* words[8];
// This is a {G 0 foo bar two} command.
// If no relative number exists, default to +0
if (!ParseRelNum(&buf, &argidx)) {}
for (nw = 0; nw < 8; nw++) {
words[nw] = ParseWord(&buf);
if (words[nw] == NULL) break;
}
if (nw != _numgenders) fatal("Bad # of arguments for gender command");
PutUtf8(SCC_GENDER_LIST);
PutByte(TranslateArgumentIdx(argidx));
EmitWordList(words, nw);
}
}
static const CmdStruct _cmd_structs[] = {
// Update position
{"SETX", EmitSetX, SCC_SETX, 0, 0},
{"SETXY", EmitSetXY, SCC_SETXY, 0, 0},
// Font size
{"TINYFONT", EmitSingleChar, SCC_TINYFONT, 0, 0},
{"BIGFONT", EmitSingleChar, SCC_BIGFONT, 0, 0},
// Colors
{"BLUE", EmitSingleChar, SCC_BLUE, 0, 0},
{"SILVER", EmitSingleChar, SCC_SILVER, 0, 0},
{"GOLD", EmitSingleChar, SCC_GOLD, 0, 0},
{"RED", EmitSingleChar, SCC_RED, 0, 0},
{"PURPLE", EmitSingleChar, SCC_PURPLE, 0, 0},
{"LTBROWN", EmitSingleChar, SCC_LTBROWN, 0, 0},
{"ORANGE", EmitSingleChar, SCC_ORANGE, 0, 0},
{"GREEN", EmitSingleChar, SCC_GREEN, 0, 0},
{"YELLOW", EmitSingleChar, SCC_YELLOW, 0, 0},
{"DKGREEN", EmitSingleChar, SCC_DKGREEN, 0, 0},
{"CREAM", EmitSingleChar, SCC_CREAM, 0, 0},
{"BROWN", EmitSingleChar, SCC_BROWN, 0, 0},
{"WHITE", EmitSingleChar, SCC_WHITE, 0, 0},
{"LTBLUE", EmitSingleChar, SCC_LTBLUE, 0, 0},
{"GRAY", EmitSingleChar, SCC_GRAY, 0, 0},
{"DKBLUE", EmitSingleChar, SCC_DKBLUE, 0, 0},
{"BLACK", EmitSingleChar, SCC_BLACK, 0, 0},
{"CURRCOMPACT", EmitSingleChar, SCC_CURRENCY_COMPACT, 1, 0}, // compact currency (32 bits)
{"REV", EmitSingleChar, SCC_REVISION, 0, 0}, // openttd revision string
{"SHORTCARGO", EmitSingleChar, SCC_CARGO_SHORT, 2, 0}, // short cargo description, only ### tons, or ### litres
{"CURRCOMPACT64", EmitSingleChar, SCC_CURRENCY_COMPACT_64, 2, 0}, // compact currency 64 bits
// These are special versions of {STRING1}
// The first string includes the second string.
{"COMPANY", EmitSingleChar, SCC_STRING1, 1, 0},
{"PLAYERNAME", EmitSingleChar, SCC_STRING1, 1, 0},
{"VEHICLE", EmitSingleChar, SCC_STRING1, 1, 0},
{"STRING1", EmitSingleChar, SCC_STRING1, 1, C_CASE}, // included string that consumes ONE argument
{"STRING2", EmitSingleChar, SCC_STRING2, 2, C_CASE}, // included string that consumes TWO arguments
{"STRING3", EmitSingleChar, SCC_STRING3, 3, C_CASE}, // included string that consumes THREE arguments
{"STRING4", EmitSingleChar, SCC_STRING4, 4, C_CASE}, // included string that consumes FOUR arguments
{"STRING5", EmitSingleChar, SCC_STRING5, 5, C_CASE}, // included string that consumes FIVE arguments
{"STATIONFEATURES", EmitSingleChar, SCC_STATION_FEATURES, 1, 0}, // station features string, icons of the features
{"INDUSTRY", EmitSingleChar, SCC_INDUSTRY_NAME, 1, 0}, // industry, takes an industry #
{"CARGO", EmitSingleChar, SCC_CARGO, 2, 0},
{"POWER", EmitSingleChar, SCC_POWER, 1, 0},
{"VOLUME", EmitSingleChar, SCC_VOLUME, 1, 0},
{"VOLUME_S", EmitSingleChar, SCC_VOLUME_SHORT, 1, 0},
{"WEIGHT", EmitSingleChar, SCC_WEIGHT, 1, 0},
{"WEIGHT_S", EmitSingleChar, SCC_WEIGHT_SHORT, 1, 0},
{"FORCE", EmitSingleChar, SCC_FORCE, 1, 0},
{"VELOCITY", EmitSingleChar, SCC_VELOCITY, 1, 0},
{"P", EmitPlural, 0, 0, C_DONTCOUNT}, // plural specifier
{"G", EmitGender, 0, 0, C_DONTCOUNT}, // gender specifier
{"DATE_TINY", EmitSingleChar, SCC_DATE_TINY, 1, 0},
{"DATE_SHORT", EmitSingleChar, SCC_DATE_SHORT, 1, 0},
{"DATE_LONG", EmitSingleChar, SCC_DATE_LONG, 1, 0},
{"SKIP", EmitSingleChar, SCC_SKIP, 1, 0},
{"STRING", EmitSingleChar, SCC_STRING, 1, C_CASE},
// Numbers
{"COMMA", EmitSingleChar, SCC_COMMA, 1, 0}, // Number with comma
{"NUM", EmitSingleChar, SCC_NUM, 1, 0}, // Signed number
{"CURRENCY", EmitSingleChar, SCC_CURRENCY, 1, 0},
{"CURRENCY64", EmitSingleChar, SCC_CURRENCY_64, 2, 0},
{"WAYPOINT", EmitSingleChar, SCC_WAYPOINT_NAME, 1, 0}, // waypoint name
{"STATION", EmitSingleChar, SCC_STATION_NAME, 1, 0},
{"TOWN", EmitSingleChar, SCC_TOWN_NAME, 1, 0},
// 0x9D is used for the pseudo command SETCASE
// 0x9E is used for case switching
{"", EmitSingleChar, '\n', 0, C_DONTCOUNT},
{"{", EmitSingleChar, '{', 0, C_DONTCOUNT},
{"UPARROW", EmitSingleChar, SCC_UPARROW, 0, 0},
{"SMALLUPARROW", EmitSingleChar, SCC_SMALLUPARROW, 0, 0},
{"SMALLDOWNARROW", EmitSingleChar, SCC_SMALLDOWNARROW, 0, 0},
{"TRAIN", EmitSingleChar, SCC_TRAIN, 0, 0},
{"LORRY", EmitSingleChar, SCC_LORRY, 0, 0},
{"BUS", EmitSingleChar, SCC_BUS, 0, 0},
{"PLANE", EmitSingleChar, SCC_PLANE, 0, 0},
{"SHIP", EmitSingleChar, SCC_SHIP, 0, 0},
{"NBSP", EmitSingleChar, 0xA0, 0, C_DONTCOUNT},
{"CENT", EmitSingleChar, 0xA2, 0, C_DONTCOUNT},
{"POUNDSIGN", EmitSingleChar, 0xA3, 0, C_DONTCOUNT},
{"EURO", EmitSingleChar, 0x20AC, 0, C_DONTCOUNT},
{"YENSIGN", EmitSingleChar, 0xA5, 0, C_DONTCOUNT},
{"COPYRIGHT", EmitSingleChar, 0xA9, 0, C_DONTCOUNT},
{"DOWNARROW", EmitSingleChar, SCC_DOWNARROW, 0, C_DONTCOUNT},
{"CHECKMARK", EmitSingleChar, SCC_CHECKMARK, 0, C_DONTCOUNT},
{"CROSS", EmitSingleChar, SCC_CROSS, 0, C_DONTCOUNT},
{"REGISTERED", EmitSingleChar, 0xAE, 0, C_DONTCOUNT},
{"RIGHTARROW", EmitSingleChar, SCC_RIGHTARROW, 0, C_DONTCOUNT},
{"SMALLLEFTARROW", EmitSingleChar, SCC_LESSTHAN, 0, C_DONTCOUNT},
{"SMALLRIGHTARROW",EmitSingleChar, SCC_GREATERTHAN, 0, C_DONTCOUNT},
};
static const CmdStruct *FindCmd(const char *s, int len)
{
const CmdStruct* cs;
for (cs = _cmd_structs; cs != endof(_cmd_structs); cs++) {
if (strncmp(cs->cmd, s, len) == 0 && cs->cmd[len] == '\0') return cs;
}
return NULL;
}
static uint ResolveCaseName(const char *str, uint len)
{
uint i;
for (i = 0; i < MAX_NUM_CASES; i++) {
if (memcmp(_cases[i], str, len) == 0 && _cases[i][len] == 0) return i + 1;
}
fatal("Invalid case-name '%s'", str);
}
// returns NULL on eof
// else returns command struct
static const CmdStruct *ParseCommandString(const char **str, char *param, int *argno, int *casei)
{
const char *s = *str, *start;
const CmdStruct *cmd;
byte c;
*argno = -1;
*casei = -1;
// Scan to the next command, exit if there's no next command.
for (; *s != '{'; s++) {
if (*s == '\0') return NULL;
}
s++; // Skip past the {
if (*s >= '0' && *s <= '9') {
char *end;
*argno = strtoul(s, &end, 0);
if (*end != ':') fatal("missing arg #");
s = end + 1;
}
// parse command name
start = s;
do {
c = *s++;
} while (c != '}' && c != ' ' && c != '=' && c != '.' && c != 0);
cmd = FindCmd(start, s - start - 1);
if (cmd == NULL) {
error("Undefined command '%.*s'", s - start - 1, start);
return NULL;
}
if (c == '.') {
const char *casep = s;
if (!(cmd->flags & C_CASE))
fatal("Command '%s' can't have a case", cmd->cmd);
do c = *s++; while (c != '}' && c != ' ' && c != '\0');
*casei = ResolveCaseName(casep, s - casep - 1);
}
if (c == '\0') {
error("Missing } from command '%s'", start);
return NULL;
}
if (c != '}') {
if (c == '=') s--;
// copy params
start = s;
for (;;) {
c = *s++;
if (c == '}') break;
if (c == '\0') {
error("Missing } from command '%s'", start);
return NULL;
}
if (s - start == 250) fatal("param command too long");
*param++ = c;
}
}
*param = '\0';
*str = s;
return cmd;
}
static void HandlePragma(char *str)
{
if (!memcmp(str, "id ", 3)) {
_next_string_id = strtoul(str + 3, NULL, 0);
} else if (!memcmp(str, "name ", 5)) {
ttd_strlcpy(_lang_name, str + 5, sizeof(_lang_name));
} else if (!memcmp(str, "ownname ", 8)) {
ttd_strlcpy(_lang_ownname, str + 8, sizeof(_lang_ownname));
} else if (!memcmp(str, "isocode ", 8)) {
ttd_strlcpy(_lang_isocode, str + 8, sizeof(_lang_isocode));
} else if (!memcmp(str, "plural ", 7)) {
_lang_pluralform = atoi(str + 7);
if (_lang_pluralform >= lengthof(_plural_form_counts))
fatal("Invalid pluralform %d", _lang_pluralform);
} else if (!memcmp(str, "gender ", 7)) {
char* buf = str + 7;
for (;;) {
const char* s = ParseWord(&buf);
if (s == NULL) break;
if (_numgenders >= MAX_NUM_GENDER) fatal("Too many genders, max %d", MAX_NUM_GENDER);
ttd_strlcpy(_genders[_numgenders], s, sizeof(_genders[_numgenders]));
_numgenders++;
}
} else if (!memcmp(str, "case ", 5)) {
char* buf = str + 5;
for (;;) {
const char* s = ParseWord(&buf);
if (s == NULL) break;
if (_numcases >= MAX_NUM_CASES) fatal("Too many cases, max %d", MAX_NUM_CASES);
ttd_strlcpy(_cases[_numcases], s, sizeof(_cases[_numcases]));
_numcases++;
}
} else {
fatal("unknown pragma '%s'", str);
}
}
static void ExtractCommandString(ParsedCommandStruct* p, const char* s, bool warnings)
{
char param[100];
int argno;
int argidx = 0;
int casei;
memset(p, 0, sizeof(*p));
for (;;) {
// read until next command from a.
const CmdStruct* ar = ParseCommandString(&s, param, &argno, &casei);
if (ar == NULL) break;
// Sanity checking
if (argno != -1 && ar->consumes == 0) fatal("Non consumer param can't have a paramindex");
if (ar->consumes) {
if (argno != -1) argidx = argno;
if (argidx < 0 || argidx >= lengthof(p->cmd)) fatal("invalid param idx %d", argidx);
if (p->cmd[argidx] != NULL && p->cmd[argidx] != ar) fatal("duplicate param idx %d", argidx);
p->cmd[argidx++] = ar;
} else if (!(ar->flags & C_DONTCOUNT)) { // Ignore some of them
if (p->np >= lengthof(p->pairs)) fatal("too many commands in string, max %d", lengthof(p->pairs));
p->pairs[p->np].a = ar;
p->pairs[p->np].v = param[0] != '\0' ? strdup(param) : "";
p->np++;
}
}
}
static const CmdStruct *TranslateCmdForCompare(const CmdStruct *a)
{
if (a == NULL) return NULL;
if (strcmp(a->cmd, "STRING1") == 0 ||
strcmp(a->cmd, "STRING2") == 0 ||
strcmp(a->cmd, "STRING3") == 0 ||
strcmp(a->cmd, "STRING4") == 0 ||
strcmp(a->cmd, "STRING5") == 0) {
return FindCmd("STRING", 6);
}
if (strcmp(a->cmd, "SKIP") == 0) return NULL;
return a;
}
static bool CheckCommandsMatch(char *a, char *b, const char *name)
{
ParsedCommandStruct templ;
ParsedCommandStruct lang;
int i,j;
bool result = true;
ExtractCommandString(&templ, b, true);
ExtractCommandString(&lang, a, true);
// For each string in templ, see if we find it in lang
if (templ.np != lang.np) {
warning("%s: template string and language string have a different # of commands", name);
result = false;
}
for (i = 0; i < templ.np; i++) {
// see if we find it in lang, and zero it out
bool found = false;
for (j = 0; j < lang.np; j++) {
if (templ.pairs[i].a == lang.pairs[j].a &&
strcmp(templ.pairs[i].v, lang.pairs[j].v) == 0) {
// it was found in both. zero it out from lang so we don't find it again
lang.pairs[j].a = NULL;
found = true;
break;
}
}
if (!found) {
warning("%s: command '%s' exists in template file but not in language file", name, templ.pairs[i].a->cmd);
result = false;
}
}
// if we reach here, all non consumer commands match up.
// Check if the non consumer commands match up also.
for (i = 0; i < lengthof(templ.cmd); i++) {
if (TranslateCmdForCompare(templ.cmd[i]) != TranslateCmdForCompare(lang.cmd[i])) {
warning("%s: Param idx #%d '%s' doesn't match with template command '%s'", name, i,
lang.cmd[i] == NULL ? "<empty>" : lang.cmd[i]->cmd,
templ.cmd[i] == NULL ? "<empty>" : templ.cmd[i]->cmd);
result = false;
}
}
return result;
}
static void HandleString(char *str, bool master)
{
char *s,*t;
LangString *ent;
char *casep;
if (*str == '#') {
if (str[1] == '#' && str[2] != '#') HandlePragma(str + 2);
return;
}
// Ignore comments & blank lines
if (*str == ';' || *str == ' ' || *str == '\0') return;
s = strchr(str, ':');
if (s == NULL) {
error("Line has no ':' delimiter");
return;
}
// Trim spaces.
// After this str points to the command name, and s points to the command contents
for (t = s; t > str && (t[-1] == ' ' || t[-1] == '\t'); t--);
*t = 0;
s++;
/* Check string is valid UTF-8 */
{
const char *tmp;
for (tmp = s; *tmp != '\0';) {
size_t len = Utf8Validate(tmp);
if (len == 0) fatal("Invalid UTF-8 sequence in '%s'", s);
tmp += len;
}
}
// Check if the string has a case..
// The syntax for cases is IDENTNAME.case
casep = strchr(str, '.');
if (casep) *casep++ = 0;
// Check if this string already exists..
ent = HashFind(str);
if (master) {
if (ent != NULL && casep == NULL) {
error("String name '%s' is used multiple times", str);
return;
}
if (ent == NULL && casep != NULL) {
error("Base string name '%s' doesn't exist yet. Define it before defining a case.", str);
return;
}
if (ent == NULL) {
if (_strings[_next_string_id]) {
error("String ID 0x%X for '%s' already in use by '%s'", ent, str, _strings[_next_string_id]->name);
return;
}
// Allocate a new LangString
ent = calloc(1, sizeof(*ent));
_strings[_next_string_id] = ent;
ent->index = _next_string_id++;
ent->name = strdup(str);
ent->line = _cur_line;
HashAdd(str, ent);
}
if (casep != NULL) {
Case* c = malloc(sizeof(*c));
c->caseidx = ResolveCaseName(casep, strlen(casep));
c->string = strdup(s);
c->next = ent->english_case;
ent->english_case = c;
} else {
ent->english = strdup(s);
}
} else {
if (ent == NULL) {
warning("String name '%s' does not exist in master file", str);
return;
}
if (ent->translated && casep == NULL) {
error("String name '%s' is used multiple times", str);
return;
}
if (s[0] == ':' && s[1] == '\0' && casep == NULL) {
// Special syntax :: means we should just inherit the master string
ent->translated = strdup(ent->english);
} else {
// make sure that the commands match
if (!CheckCommandsMatch(s, ent->english, str)) return;
if (casep != NULL) {
Case* c = malloc(sizeof(*c));
c->caseidx = ResolveCaseName(casep, strlen(casep));
c->string = strdup(s);
c->next = ent->translated_case;
ent->translated_case = c;
} else {
ent->translated = strdup(s);
}
}
}
}
static void rstrip(char *buf)
{
int i = strlen(buf);
while (i > 0 && (buf[i - 1] == '\r' || buf[i - 1] == '\n' || buf[i - 1] == ' ')) i--;
buf[i] = '\0';
}
static void ParseFile(const char *file, bool english)
{
FILE *in;
char buf[2048];
_file = file;
// For each new file we parse, reset the genders.
_numgenders = 0;
// TODO:!! We can't reset the cases. In case the translated strings
// derive some strings from english....
in = fopen(file, "r");
if (in == NULL) fatal("Cannot open file");
_cur_line = 1;
while (fgets(buf, sizeof(buf),in) != NULL) {
rstrip(buf);
HandleString(buf, english);
_cur_line++;
}
fclose(in);
}
static uint32 MyHashStr(uint32 hash, const char *s)
{
for (; *s != '\0'; s++) {
hash = ROL(hash, 3) ^ *s;
hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
}
return hash;
}
// make a hash of the file to get a unique "version number"
static void MakeHashOfStrings(void)
{
uint32 hash = 0;
uint i;
for (i = 0; i != lengthof(_strings); i++) {
const LangString* ls = _strings[i];
if (ls != NULL) {
const CmdStruct* cs;
const char* s;
char buf[256];
int argno;
int casei;
s = ls->name;
hash ^= i * 0x717239;
hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
hash = MyHashStr(hash, s + 1);
s = ls->english;
while ((cs = ParseCommandString(&s, buf, &argno, &casei)) != NULL) {
if (cs->flags & C_DONTCOUNT) continue;
hash ^= (cs - _cmd_structs) * 0x1234567;
hash = (hash & 1 ? hash >> 1 ^ 0xF00BAA4 : hash >> 1);
}
}
}
_hash = hash;
}
static uint CountInUse(uint grp)
{
int i;
for (i = 0x800; --i >= 0;) if (_strings[(grp << 11) + i] != NULL) break;
return i + 1;
}
bool CompareFiles(const char *n1, const char *n2)
{
FILE *f1, *f2;
char b1[4096];
char b2[4096];
size_t l1, l2;
f2 = fopen(n2, "rb");
if (f2 == NULL) return false;
f1 = fopen(n1, "rb");
if (f1 == NULL) fatal("can't open %s", n1);
do {
l1 = fread(b1, 1, sizeof(b1), f1);
l2 = fread(b2, 1, sizeof(b2), f2);
if (l1 != l2 || memcmp(b1, b2, l1)) {
fclose(f2);
fclose(f1);
return false;
}
} while (l1);
fclose(f2);
fclose(f1);
return true;
}
static void WriteStringsH(const char *filename)
{
FILE *out;
int i;
int next = -1;
int lastgrp;
out = fopen("tmp.xxx", "w");
if (out == NULL) fatal("can't open tmp.xxx");
fprintf(out, "enum {");
lastgrp = 0;
for (i = 0; i != lengthof(_strings); i++) {
if (_strings[i] != NULL) {
if (lastgrp != (i >> 11)) {
lastgrp = (i >> 11);
fprintf(out, "};\n\nenum {");
}
fprintf(out, next == i ? "\t%s,\n" : "\n\t%s = 0x%X,\n", _strings[i]->name, i);
next = i + 1;
}
}
fprintf(out, "};\n");
fprintf(out,
"\nenum {\n"
"\tLANGUAGE_PACK_IDENT = 0x474E414C, // Big Endian value for 'LANG' (LE is 0x 4C 41 4E 47)\n"
"\tLANGUAGE_PACK_VERSION = 0x%X,\n"
"};\n", (uint)_hash
);
fclose(out);
if (CompareFiles("tmp.xxx", filename)) {
// files are equal. tmp.xxx is not needed
unlink("tmp.xxx");
} else {
// else rename tmp.xxx into filename
#if defined(WIN32) || defined(WIN64)
unlink(filename);
#endif
if (rename("tmp.xxx", filename) == -1) fatal("rename() failed");
}
}
static int TranslateArgumentIdx(int argidx)
{
int i, sum;
if (argidx < 0 || argidx >= lengthof(_cur_pcs.cmd))
fatal("invalid argidx %d", argidx);
for (i = sum = 0; i < argidx; i++) {
const CmdStruct *cs = _cur_pcs.cmd[i];
sum += (cs != NULL) ? cs->consumes : 1;
}
return sum;
}
static void PutArgidxCommand(void)
{
PutUtf8(SCC_ARG_INDEX);
PutByte(TranslateArgumentIdx(_cur_argidx));
}
static void PutCommandString(const char *str)
{
const CmdStruct *cs;
char param[256];
int argno;
int casei;
_cur_argidx = 0;
while (*str != '\0') {
// Process characters as they are until we encounter a {
if (*str != '{') {
PutByte(*str++);
continue;
}
cs = ParseCommandString(&str, param, &argno, &casei);
if (cs == NULL) break;
if (casei != -1) {
PutUtf8(SCC_SETCASE); // {SETCASE}
PutByte(casei);
}
// For params that consume values, we need to handle the argindex properly
if (cs->consumes > 0) {
// Check if we need to output a move-param command
if (argno != -1 && argno != _cur_argidx) {
_cur_argidx = argno;
PutArgidxCommand();
}
// Output the one from the master string... it's always accurate.
cs = _cur_pcs.cmd[_cur_argidx++];
if (cs == NULL) {
fatal("%s: No argument exists at position %d", _cur_ident, _cur_argidx - 1);
}
}
cs->proc(param, cs->value);
}
}
static void WriteLength(FILE *f, uint length)
{
if (length < 0xC0) {
fputc(length, f);
} else if (length < 0x4000) {
fputc((length >> 8) | 0xC0, f);
fputc(length & 0xFF, f);
} else {
fatal("string too long");
}
}
static void WriteLangfile(const char *filename, int show_todo)
{
FILE *f;
uint in_use[32];
LanguagePackHeader hdr;
uint i;
uint j;
f = fopen(filename, "wb");
if (f == NULL) fatal("can't open %s", filename);
memset(&hdr, 0, sizeof(hdr));
for (i = 0; i != 32; i++) {
uint n = CountInUse(i);
in_use[i] = n;
hdr.offsets[i] = TO_LE16(n);
}
// see line 655: fprintf(..."\tLANGUAGE_PACK_IDENT = 0x474E414C,...)
hdr.ident = TO_LE32(0x474E414C); // Big Endian value for 'LANG'
hdr.version = TO_LE32(_hash);
hdr.plural_form = _lang_pluralform;
strcpy(hdr.name, _lang_name);
strcpy(hdr.own_name, _lang_ownname);
strcpy(hdr.isocode, _lang_isocode);
fwrite(&hdr, sizeof(hdr), 1, f);
for (i = 0; i != 32; i++) {
for (j = 0; j != in_use[i]; j++) {
const LangString* ls = _strings[(i << 11) + j];
const Case* casep;
const char* cmdp;
// For undefined strings, just set that it's an empty string
if (ls == NULL) {
WriteLength(f, 0);
continue;
}
_cur_ident = ls->name;
_cur_line = ls->line;
// Produce a message if a string doesn't have a translation.
if (show_todo > 0 && ls->translated == NULL) {
if (show_todo == 2) {
warning("'%s' is untranslated", ls->name);
} else {
const char *s = "<TODO> ";
while (*s != '\0') PutByte(*s++);
}
}
// Extract the strings and stuff from the english command string
ExtractCommandString(&_cur_pcs, ls->english, false);
if (ls->translated_case != NULL || ls->translated != NULL) {
casep = ls->translated_case;
cmdp = ls->translated;
} else {
casep = ls->english_case;
cmdp = ls->english;
}
_translated = _masterlang || (cmdp != ls->english);
if (casep != NULL) {
const Case* c;
uint num;
// Need to output a case-switch.
// It has this format
// <0x9E> <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT>
// Each LEN is printed using 2 bytes in big endian order.
PutUtf8(SCC_SWITCH_CASE);
// Count the number of cases
for (num = 0, c = casep; c; c = c->next) num++;
PutByte(num);
// Write each case
for (c = casep; c != NULL; c = c->next) {
int pos;
PutByte(c->caseidx);
// Make some space for the 16-bit length
pos = _put_pos;
PutByte(0);
PutByte(0);
// Write string
PutCommandString(c->string);
PutByte(0); // terminate with a zero
// Fill in the length
_put_buf[pos + 0] = GB(_put_pos - (pos + 2), 8, 8);
_put_buf[pos + 1] = GB(_put_pos - (pos + 2), 0, 8);
}
}
if (cmdp != NULL) PutCommandString(cmdp);
WriteLength(f, _put_pos);
fwrite(_put_buf, 1, _put_pos, f);
_put_pos = 0;
}
}
fputc(0, f);
fclose(f);
}
/** Multi-OS mkdirectory function */
static inline void ottd_mkdir(const char *directory)
{
#if defined(WIN32) || defined(__WATCOMC__)
mkdir(directory);
#else
mkdir(directory, 0755);
#endif
}
/** Create a path consisting of an already existing path, a possible
* path seperator and the filename. The seperator is only appended if the path
* does not already end with a seperator */
static inline char *mkpath(char *buf, size_t buflen, const char *path, const char *file)
{
char *p;
ttd_strlcpy(buf, path, buflen); // copy directory into buffer
p = strchr(buf, '\0'); // add path seperator if necessary
if (p[-1] != PATHSEPCHAR && (size_t)(p - buf) + 1 < buflen) *p++ = PATHSEPCHAR;
ttd_strlcpy(p, file, buflen - (size_t)(p - buf)); // catenate filename at end of buffer
return buf;
}
#if defined(__MINGW32__) || defined(__CYGWIN__)
/**
* On MingW, it is common that both / as \ are accepted in the
* params. To go with those flow, we rewrite all incoming /
* simply to \, so internally we can safely assume \.
*/
static inline char *replace_pathsep(char *s)
{
char *c;
for (c = s; *c != '\0'; c++) if (*c == '/') *c = '\\';
return s;
}
#else
static inline char *replace_pathsep(char *s) { return s; }
#endif
int CDECL main(int argc, char* argv[])
{
char pathbuf[256];
const char *src_dir = ".";
const char *dest_dir = NULL;
int show_todo = 0;
while (argc > 1 && *argv[1] == '-') {
if (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0) {
puts("$Revision$");
return 0;
}
if (strcmp(argv[1], "-t") == 0 || strcmp(argv[1], "--todo") == 0) {
show_todo = 1;
argc--, argv++;
continue;
}
if (strcmp(argv[1], "-w") == 0 || strcmp(argv[1], "--warning") == 0) {
show_todo = 2;
argc--, argv++;
continue;
}
if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0) {
puts(
"strgen - $Revision$\n"
" -v | --version print version information and exit\n"
" -t | --todo replace any untranslated strings with '<TODO>'\n"
" -w | --warning print a warning for any untranslated strings\n"
" -h | -? | --help print this help message and exit\n"
" -s | --source_dir search for english.txt in the specified directory\n"
" -d | --dest_dir put output file in the specified directory, create if needed\n"
" Run without parameters and strgen will search for english.txt and parse it,\n"
" creating strings.h. Passing an argument, strgen will translate that language\n"
" file using english.txt as a reference and output <language>.lng."
);
return 0;
}
if (argc > 2 && (strcmp(argv[1], "-s") == 0 || strcmp(argv[1], "--source_dir") == 0)) {
src_dir = replace_pathsep(argv[2]);
argc -= 2, argv += 2;
continue;
}
if (argc > 2 && (strcmp(argv[1], "-d") == 0 || strcmp(argv[1], "--dest_dir") == 0)) {
dest_dir = replace_pathsep(argv[2]);
argc -= 2, argv += 2;
continue;
}
fprintf(stderr, "Invalid arguments\n");
return 0;
}
if (dest_dir == NULL) dest_dir = src_dir; // if dest_dir is not specified, it equals src_dir
/* strgen has two modes of operation. If no (free) arguments are passed
* strgen generates strings.h to the destination directory. If it is supplied
* with a (free) parameter the program will translate that language to destination
* directory. As input english.txt is parsed from the source directory */
if (argc == 1) {
mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
/* parse master file */
_masterlang = true;
ParseFile(pathbuf, true);
MakeHashOfStrings();
if (_errors) return 1;
/* write strings.h */
ottd_mkdir(dest_dir);
mkpath(pathbuf, lengthof(pathbuf), dest_dir, "strings.h");
WriteStringsH(pathbuf);
} else if (argc == 2) {
char *r;
mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
/* parse master file and check if target file is correct */
_masterlang = false;
ParseFile(pathbuf, true);
MakeHashOfStrings();
ParseFile(replace_pathsep(argv[1]), false); // target file
if (_errors) return 1;
/* get the targetfile, strip any directories and append to destination path */
r = strrchr(argv[1], PATHSEPCHAR);
mkpath(pathbuf, lengthof(pathbuf), dest_dir, (r != NULL) ? &r[1] : argv[1]);
/* rename the .txt (input-extension) to .lng */
r = strrchr(pathbuf, '.');
if (r == NULL || strcmp(r, ".txt") != 0) r = strchr(pathbuf, '\0');
ttd_strlcpy(r, ".lng", (size_t)(r - pathbuf));
WriteLangfile(pathbuf, show_todo);
/* if showing warnings, print a summary of the language */
if (show_todo == 2) {
fprintf(stdout, "%d warnings and %d errors for %s\n", _warnings, _errors, pathbuf);
}
} else {
fprintf(stderr, "Invalid arguments\n");
}
return 0;
}
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