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