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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file script_scanner.cpp Allows scanning for scripts. */
#include "../stdafx.h"
#include "../string_func.h"
#include "../fileio_func.h"
#include <sys/stat.h>
#include <squirrel.h>
#include "../script/squirrel.hpp"
#include "script_scanner.hpp"
void ScriptScanner::ScanDir(const char *dirname, const char *info_file_name)
{
extern bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb);
extern bool FiosIsHiddenFile(const struct dirent *ent);
char d_name[MAX_PATH];
char temp_script[1024];
struct stat sb;
struct dirent *dirent;
DIR *dir;
dir = ttd_opendir(dirname);
/* Dir not found, so do nothing */
if (dir == NULL) return;
/* Walk all dirs trying to find a dir in which 'main.nut' exists */
while ((dirent = readdir(dir)) != NULL) {
ttd_strlcpy(d_name, FS2OTTD(dirent->d_name), sizeof(d_name));
/* Valid file, not '.' or '..', not hidden */
if (!FiosIsValidFile(dirname, dirent, &sb)) continue;
if (strcmp(d_name, ".") == 0 || strcmp(d_name, "..") == 0) continue;
if (FiosIsHiddenFile(dirent) && strncasecmp(d_name, PERSONAL_DIR, strlen(d_name)) != 0) continue;
/* Create the full length dirname */
ttd_strlcpy(temp_script, dirname, sizeof(temp_script));
ttd_strlcat(temp_script, d_name, sizeof(temp_script));
if (S_ISREG(sb.st_mode)) {
/* Only .tar files are allowed */
char *ext = strrchr(d_name, '.');
if (ext == NULL || strcasecmp(ext, ".tar") != 0) continue;
/* We always expect a directory in the TAR */
const char *first_dir = FioTarFirstDir(temp_script);
if (first_dir == NULL) continue;
ttd_strlcat(temp_script, PATHSEP, sizeof(temp_script));
ttd_strlcat(temp_script, first_dir, sizeof(temp_script));
FioTarAddLink(temp_script, first_dir);
} else if (!S_ISDIR(sb.st_mode)) {
/* Skip any other type of file */
continue;
}
/* Add an additional / where needed */
if (temp_script[strlen(temp_script) - 1] != PATHSEPCHAR) ttd_strlcat(temp_script, PATHSEP, sizeof(temp_script));
char info_script[MAX_PATH];
ttd_strlcpy(info_script, temp_script, sizeof(info_script));
ttd_strlcpy(main_script, temp_script, sizeof(main_script));
/* Every script should contain an 'info.nut' and 'main.nut' file; else it is not a valid script */
ttd_strlcat(info_script, info_file_name, sizeof(info_script));
ttd_strlcat(main_script, "main.nut", sizeof(main_script));
if (!FioCheckFileExists(info_script, NO_DIRECTORY) || !FioCheckFileExists(main_script, NO_DIRECTORY)) continue;
/* We don't care if one of the other scripts failed to load. */
this->engine->ResetCrashed();
this->engine->LoadScript(info_script);
}
closedir(dir);
}
void ScriptScanner::ScanScriptDir(const char *info_file_name, Subdirectory search_dir)
{
char buf[MAX_PATH];
Searchpath sp;
FOR_ALL_SEARCHPATHS(sp) {
FioAppendDirectory(buf, MAX_PATH, sp, search_dir);
if (FileExists(buf)) this->ScanDir(buf, info_file_name);
}
}
ScriptScanner::ScriptScanner()
{
this->engine = new Squirrel();
this->main_script[0] = '\0';
/* Mark this class as global pointer */
this->engine->SetGlobalPointer(this);
}
ScriptScanner::~ScriptScanner()
{
delete this->engine;
}
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