1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/* $Id$ */
/*
* 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 fileio_func.h Functions for Standard In/Out file operations */
#ifndef FILEIO_FUNC_H
#define FILEIO_FUNC_H
#include "core/enum_type.hpp"
#include "fileio_type.h"
void FioSeekTo(size_t pos, int mode);
void FioSeekToFile(uint8 slot, size_t pos);
size_t FioGetPos();
const char *FioGetFilename(uint8 slot);
byte FioReadByte();
uint16 FioReadWord();
uint32 FioReadDword();
void FioCloseAll();
void FioOpenFile(int slot, const char *filename, Subdirectory subdir);
void FioReadBlock(void *ptr, size_t size);
void FioSkipBytes(int n);
/**
* The search paths OpenTTD could search through.
* At least one of the slots has to be filled with a path.
* NULL paths tell that there is no such path for the
* current operating system.
*/
extern const char *_searchpaths[NUM_SEARCHPATHS];
/**
* Checks whether the given search path is a valid search path
* @param sp the search path to check
* @return true if the search path is valid
*/
static inline bool IsValidSearchPath(Searchpath sp)
{
return sp < NUM_SEARCHPATHS && _searchpaths[sp] != NULL;
}
/** Iterator for all the search paths */
#define FOR_ALL_SEARCHPATHS(sp) for (sp = SP_FIRST_DIR; sp < NUM_SEARCHPATHS; sp++) if (IsValidSearchPath(sp))
void FioFCloseFile(FILE *f);
FILE *FioFOpenFile(const char *filename, const char *mode, Subdirectory subdir, size_t *filesize = NULL);
bool FioCheckFileExists(const char *filename, Subdirectory subdir);
char *FioGetFullPath(char *buf, size_t buflen, Searchpath sp, Subdirectory subdir, const char *filename);
char *FioFindFullPath(char *buf, size_t buflen, Subdirectory subdir, const char *filename);
char *FioAppendDirectory(char *buf, size_t buflen, Searchpath sp, Subdirectory subdir);
char *FioGetDirectory(char *buf, size_t buflen, Subdirectory subdir);
const char *FiosGetScreenshotDir();
void SanitizeFilename(char *filename);
bool AppendPathSeparator(char *buf, size_t buflen);
void DeterminePaths(const char *exe);
void *ReadFileToMem(const char *filename, size_t *lenp, size_t maxsize);
bool FileExists(const char *filename);
const char *FioTarFirstDir(const char *tarname, Subdirectory subdir);
void FioTarAddLink(const char *src, const char *dest, Subdirectory subdir);
bool ExtractTar(const char *tar_filename, Subdirectory subdir);
extern char *_personal_dir; ///< custom directory for personal settings, saves, newgrf, etc.
/** Helper for scanning for files with a given name */
class FileScanner {
protected:
Subdirectory subdir; ///< The current sub directory we are searching through
public:
/** Destruct the proper one... */
virtual ~FileScanner() {}
uint Scan(const char *extension, Subdirectory sd, bool tars = true, bool recursive = true);
uint Scan(const char *extension, const char *directory, bool recursive = true);
/**
* Add a file with the given filename.
* @param filename the full path to the file to read
* @param basepath_length amount of characters to chop of before to get a
* filename relative to the search path.
* @param tar_filename the name of the tar file the file is read from.
* @return true if the file is added.
*/
virtual bool AddFile(const char *filename, size_t basepath_length, const char *tar_filename) = 0;
};
/** Helper for scanning for files with tar as extension */
class TarScanner : FileScanner {
uint DoScan(Subdirectory sd);
public:
/** The mode of tar scanning. */
enum Mode {
NONE = 0, ///< Scan nothing.
BASESET = 1 << 0, ///< Scan for base sets.
NEWGRF = 1 << 1, ///< Scan for non-base sets.
AI = 1 << 2, ///< Scan for AIs and its libraries.
SCENARIO = 1 << 3, ///< Scan for scenarios and heightmaps.
GAME = 1 << 4, ///< Scan for game scripts.
ALL = BASESET | NEWGRF | AI | SCENARIO | GAME, ///< Scan for everything.
};
/* virtual */ bool AddFile(const char *filename, size_t basepath_length, const char *tar_filename = NULL);
bool AddFile(Subdirectory sd, const char *filename);
/** Do the scan for Tars. */
static uint DoScan(TarScanner::Mode mode);
};
DECLARE_ENUM_AS_BIT_SET(TarScanner::Mode)
/* Implementation of opendir/readdir/closedir for Windows */
#if defined(WIN32)
struct DIR;
struct dirent { // XXX - only d_name implemented
TCHAR *d_name; // name of found file
/* little hack which will point to parent DIR struct which will
* save us a call to GetFileAttributes if we want information
* about the file (for example in function fio_bla) */
DIR *dir;
};
DIR *opendir(const TCHAR *path);
struct dirent *readdir(DIR *d);
int closedir(DIR *d);
#else
/* Use system-supplied opendir/readdir/closedir functions */
# include <sys/types.h>
# include <dirent.h>
#endif /* defined(WIN32) */
/**
* A wrapper around opendir() which will convert the string from
* OPENTTD encoding to that of the filesystem. For all purposes this
* function behaves the same as the original opendir function
* @param path string to open directory of
* @return DIR pointer
*/
static inline DIR *ttd_opendir(const char *path)
{
return opendir(OTTD2FS(path));
}
#endif /* FILEIO_FUNC_H */
|
