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md5table.cpp
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384 lines (341 loc) · 9.71 KB
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/* md5table - Convert a MD5 table to either PHP or C++ code
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
void error(const char *s, ...) {
char buf[1024];
va_list va;
va_start(va, s);
vsnprintf(buf, 1024, s, va);
va_end(va);
fprintf(stderr, "ERROR: %s!\n", buf);
exit(1);
}
void warning(const char *s, ...) {
char buf[1024];
va_list va;
va_start(va, s);
vsnprintf(buf, 1024, s, va);
va_end(va);
fprintf(stderr, "WARNING: %s!\n", buf);
}
typedef struct {
const char *key;
const char *value;
} StringMap;
typedef struct {
const char *md5;
const char *language;
const char *platform;
const char *variant;
const char *extra;
const char *size;
const char *desc;
const char *comments;
const char *infoSource;
} Entry;
/* Map MD5 table platform names to ScummVM constant names.
* Note: Currently not many constants are defined within ScummVM. However, more
* will probably be added eventually (see also commented out constants in
* common/util.h).
*/
static const StringMap platformMap[] = {
{ "2gs", "kPlatformApple2GS" },
{ "3DO", "kPlatform3DO" },
{ "Amiga", "kPlatformAmiga" },
{ "Atari", "kPlatformAtariST" },
{ "C64", "kPlatformC64" },
{ "DOS", "kPlatformDOS" },
{ "FM-TOWNS", "kPlatformFMTowns" },
{ "iOS", "kPlatformIOS" },
{ "Mac", "kPlatformMacintosh" },
{ "NES", "kPlatformNES" },
{ "PC-Engine", "kPlatformPCEngine" },
{ "SEGA", "kPlatformSegaCD" },
{ "Windows", "kPlatformWindows" },
{ "Wii", "kPlatformWii" },
{ "All?", "kPlatformUnknown" },
{ "All", "kPlatformUnknown" },
{ nullptr, "kPlatformUnknown" }
};
// Note: if renaming any value here, update scumm-md5.txt as well, and run
// `make md5scumm` again
static const StringMap langMap[] = {
{ "en", "EN_ANY" },
{ "us", "EN_USA" },
{ "gb", "EN_GRB" },
{ "de", "DE_DEU" },
{ "fr", "FR_FRA" },
{ "it", "IT_ITA" },
{ "br", "PT_BRA" },
{ "es", "ES_ESP" },
{ "ja", "JA_JPN" },
{ "zh", "ZH_TWN" },
{ "ko", "KO_KOR" },
{ "sv", "SV_SWE" },
{ "en", "EN_GRB" },
{ "he", "HE_ISR" },
{ "ru", "RU_RUS" },
{ "cs", "CS_CZE" },
{ "nl", "NL_NLD" },
{ "nb", "NB_NOR" },
{ "pl", "PL_POL" },
{ "ca", "CA_ESP" },
{ "All", "UNK_LANG" },
{ "All?", "UNK_LANG" },
{ nullptr, "UNK_LANG" }
};
static const char *php_header =
"<!--\n"
" This file was generated by the md5table tool on %s"
" DO NOT EDIT MANUALLY!\n"
" -->\n"
"<?php\n"
"\n";
static const char *c_header =
"/*\n"
" This file was generated by the md5table tool on %s"
" DO NOT EDIT MANUALLY!\n"
" */\n"
"\n"
"#ifndef SCUMM_MD5_INTERNAL_H\n"
"#define SCUMM_MD5_INTERNAL_H\n"
"\n"
"#include \"common/language.h\"\n"
"#include \"common/platform.h\"\n"
"\n"
"struct MD5Table {\n"
" const char *md5;\n"
" const char *gameid;\n"
" const char *variant;\n"
" const char *extra;\n"
" int64 filesize;\n"
" Common::Language language;\n"
" Common::Platform platform;\n"
"};\n"
"\n"
"static const MD5Table md5table[] = {\n";
static const char *c_footer =
" { 0, 0, 0, 0, 0, Common::UNK_LANG, Common::kPlatformUnknown }\n"
"};\n"
"\n"
"#endif\n";
static void parseEntry(Entry *entry, char *line) {
assert(entry);
assert(line);
/* Split at the tabs */
entry->md5 = strtok(line, "\t\n\r");
entry->size = strtok(nullptr, "\t\n\r");
entry->language = strtok(nullptr, "\t\n\r");
entry->platform = strtok(nullptr, "\t\n\r");
entry->variant = strtok(nullptr, "\t\n\r");
entry->extra = strtok(nullptr, "\t\n\r");
entry->desc = strtok(nullptr, "\t\n\r");
entry->infoSource = strtok(nullptr, "\t\n\r");
}
static int isEmptyLine(const char *line) {
const char *whitespace = " \t\n\r";
while (*line) {
if (!strchr(whitespace, *line))
return 0;
line++;
}
return 1;
}
static const char *mapStr(const char *str, const StringMap *map) {
assert(str);
assert(map);
while (map->key) {
if (0 == strcmp(map->key, str))
return map->value;
map++;
}
warning("mapStr: unknown string '%s', defaulting to '%s'", str, map->value);
return map->value;
}
void showhelp(const char *exename)
{
printf("\nUsage: %s <params>\n", exename);
printf("\nParams:\n");
printf(" --c++ output C++ code for inclusion in ScummVM (default)\n");
printf(" --php output PHP code for the web site\n");
printf(" --txt output TXT file (should be identical to input file)\n");
exit(2);
}
/* needed to call from qsort */
int strcmp_wrapper(const void *s1, const void *s2)
{
return strcmp((const char *)s1, (const char *)s2);
}
int main(int argc, char *argv[])
{
FILE *inFile = stdin;
FILE *outFile = stdout;
char buffer[1024];
char section[256];
char gameid[32];
char *line;
int err;
int i;
time_t theTime;
char *generationDate;
const int entrySize = 256;
int numEntries = 0, maxEntries = 1;
char *entriesBuffer = (char *)malloc(maxEntries * entrySize);
typedef enum {
kCPPOutput,
kPHPOutput,
kTXTOutput
} OutputMode;
OutputMode outputMode = kCPPOutput;
if (argc == 1 || strcmp(argv[1], "--c++") == 0) {
outputMode = kCPPOutput;
} else if (strcmp(argv[1], "--php") == 0) {
outputMode = kPHPOutput;
} else if (strcmp(argv[1], "--txt") == 0) {
outputMode = kTXTOutput;
} else {
showhelp(argv[0]);
}
time(&theTime);
generationDate = strdup(asctime(gmtime(&theTime)));
if (outputMode == kPHPOutput)
fprintf(outFile, php_header, generationDate);
section[0] = 0;
gameid[0] = 0;
while ((line = fgets(buffer, sizeof(buffer), inFile))) {
/* Parse line */
if (line[0] == '#' || isEmptyLine(line)) {
if (outputMode == kTXTOutput)
fprintf(outFile, "%s", line);
continue; /* Skip comments & empty lines */
}
if (line[0] == '\t') {
Entry entry;
assert(section[0]);
parseEntry(&entry, line+1);
if (outputMode == kPHPOutput) {
fprintf(outFile, "\taddEntry(");
// Print the description string
fprintf(outFile, "\"");
if (entry.extra && strcmp(entry.extra, "-")) {
fprintf(outFile, "%s", entry.extra);
if (entry.desc && strcmp(entry.desc, "-"))
fprintf(outFile, " (%s)", entry.desc);
}
fprintf(outFile, "\", ");
fprintf(outFile, "\"%s\", ", entry.platform);
fprintf(outFile, "\"%s\", ", entry.language);
fprintf(outFile, "\"%s\"", entry.md5);
if (entry.infoSource)
fprintf(outFile, ", \"%s\"", entry.infoSource);
fprintf(outFile, ");\n");
} else if (outputMode == kTXTOutput) {
fprintf(outFile, "\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\n",
entry.md5,
entry.size,
entry.language,
entry.platform,
entry.variant,
entry.extra,
entry.desc,
entry.infoSource ? entry.infoSource : ""
);
} else if (entry.md5) {
if (numEntries >= maxEntries) {
maxEntries *= 2;
entriesBuffer = (char *)realloc(entriesBuffer, maxEntries * entrySize);
}
if (0 == strcmp(entry.variant, "-"))
entry.variant = "";
if (0 == strcmp(entry.extra, "-"))
entry.extra = "";
snprintf(entriesBuffer + numEntries * entrySize, entrySize,
"\t{ \"%s\", \"%s\", \"%s\", \"%s\", %s, Common::%s, Common::%s },\n",
entry.md5,
gameid,
entry.variant,
entry.extra,
entry.size,
mapStr(entry.language, langMap),
mapStr(entry.platform, platformMap));
numEntries++;
}
} else {
if (outputMode == kPHPOutput && gameid[0] != 0) {
// If there is an active section, close it now
fprintf(outFile, "endSection();\n");
}
// Read the gameid, followed by a tab
for (i = 0; *line && *line != '\t'; ++i)
gameid[i] = *line++;
assert(i > 0);
gameid[i] = 0;
assert(*line != 0);
line++;
// Read the section header (usually the full game name)
for (i = 0; *line && *line != '\n'; ++i)
section[i] = *line++;
assert(i > 0);
section[i] = 0;
// If in PHP or TXT mode, we write the output immediately
if (outputMode == kPHPOutput) {
fprintf(outFile, "beginSection(\"%s\", \"%s\");\n", section, gameid);
} else if (outputMode == kTXTOutput) {
fprintf(outFile, "%s\t%s\n", gameid, section);
}
}
}
err = ferror(inFile);
if (err)
error("Failed reading from input file, error %d", err);
if (outputMode == kPHPOutput) {
if (gameid[0] != 0) // If there is an active section, close it now
fprintf(outFile, "endSection();\n");
fprintf(outFile, "?>\n");
}
if (outputMode == kCPPOutput) {
/* Printf header */
fprintf(outFile, c_header, generationDate);
/* Now sort the MD5 table (this allows for binary searches) */
qsort(entriesBuffer, numEntries, entrySize, strcmp_wrapper);
/* Output the table and emit warnings if duplicate md5s are found */
buffer[0] = '\0';
for (i = 0; i < numEntries; ++i) {
const char *currentEntry = entriesBuffer + i * entrySize;
fprintf(outFile, "%s", currentEntry);
if (strncmp(currentEntry + 4, buffer, 32) == 0) {
warning("Duplicate MD5 found '%.32s'", buffer);
} else {
strncpy(buffer, currentEntry + 4, 32);
}
}
/* Finally, print the footer */
fprintf(outFile, "%s", c_footer);
}
free(entriesBuffer);
free(generationDate);
return 0;
}