summaryrefslogtreecommitdiff
path: root/drivers/unix/dir_access_unix.cpp
blob: 8b097ad25e239cdc66d251f62233fbe1c66c1883 (plain)
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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
/*************************************************************************/
/*  dir_access_unix.cpp                                                  */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/
#include "dir_access_unix.h"

#if defined(UNIX_ENABLED) || defined(LIBC_FILEIO_ENABLED)

#ifndef ANDROID_ENABLED
#include <sys/statvfs.h>
#endif

#include <stdio.h>
#include "os/memory.h"
#include "print_string.h"
#include <errno.h>

DirAccess *DirAccessUnix::create_fs() {

	return memnew( DirAccessUnix );
}

bool DirAccessUnix::list_dir_begin() {
	
	list_dir_end(); //close any previous dir opening!
	

//	char real_current_dir_name[2048]; //is this enough?!
	//getcwd(real_current_dir_name,2048);
	//chdir(curent_path.utf8().get_data());
	dir_stream = opendir(current_dir.utf8().get_data());
	//chdir(real_current_dir_name);
	if (!dir_stream)
		return true; //error!

	return false;
}

bool DirAccessUnix::file_exists(String p_file) {
	
	GLOBAL_LOCK_FUNCTION


	if (p_file.is_rel_path())
		p_file=current_dir+"/"+p_file;
	else
		p_file=fix_path(p_file);

	struct stat flags;
	bool success = 	(stat(p_file.utf8().get_data(),&flags)==0);

	if (success && S_ISDIR(flags.st_mode)) {
		success=false;
	}

	return success;

}

bool DirAccessUnix::dir_exists(String p_dir) {

	GLOBAL_LOCK_FUNCTION


	if (p_dir.is_rel_path())
		p_dir=get_current_dir().plus_file(p_dir);
	else
		p_dir=fix_path(p_dir);

	struct stat flags;
	bool success = 	(stat(p_dir.utf8().get_data(),&flags)==0);

	if (success && S_ISDIR(flags.st_mode))
		return true;

	return false;

}

uint64_t DirAccessUnix::get_modified_time(String p_file) {

	if (p_file.is_rel_path())
		p_file=current_dir+"/"+p_file;
	else
		p_file=fix_path(p_file);

	struct stat flags;
	bool success = 	(stat(p_file.utf8().get_data(),&flags)==0);

	if (success) {
		return flags.st_mtime;
	} else {

		ERR_FAIL_V(0);
	};
	return 0;
};


String DirAccessUnix::get_next() { 

	if (!dir_stream)
		return "";
	dirent *entry;

	entry=readdir(dir_stream);

	if (entry==NULL) {

		list_dir_end();
		return "";
	}

	//typedef struct stat Stat;
	struct stat flags;

	String fname;
	if (fname.parse_utf8(entry->d_name))
		fname=entry->d_name; //no utf8, maybe latin?

	String f=current_dir+"/"+fname;

	if (stat(f.utf8().get_data(),&flags)==0) {

		if (S_ISDIR(flags.st_mode)) {

			_cisdir=true;

		} else {

			_cisdir=false;
		}

	} else {

		_cisdir=false;

	}

	_cishidden=(fname!="." && fname!=".." && fname.begins_with("."));



	return fname;

}

bool DirAccessUnix::current_is_dir() const {

	return _cisdir;
}

bool DirAccessUnix::current_is_hidden() const {

	return _cishidden;
}


void DirAccessUnix::list_dir_end() {

	if (dir_stream)
		closedir(dir_stream);
	dir_stream=0;
	_cisdir=false;
}

int DirAccessUnix::get_drive_count() {

	return 0;
}
String DirAccessUnix::get_drive(int p_drive) {

	return "";
}

Error DirAccessUnix::make_dir(String p_dir) {

	GLOBAL_LOCK_FUNCTION

	p_dir=fix_path(p_dir);
	
	char real_current_dir_name[2048];
	getcwd(real_current_dir_name,2048);
	chdir(current_dir.utf8().get_data()); //ascii since this may be unicode or wathever the host os wants

	bool success=(mkdir(p_dir.utf8().get_data(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH)==0);
	int err = errno;

	chdir(real_current_dir_name);

	if (success) {
		return OK;
	};

	if (err == EEXIST) {
		return ERR_ALREADY_EXISTS;
	};

	return ERR_CANT_CREATE;
}


Error DirAccessUnix::change_dir(String p_dir) {

	GLOBAL_LOCK_FUNCTION
	p_dir=fix_path(p_dir);


	char real_current_dir_name[2048];
	getcwd(real_current_dir_name,2048);
	String prev_dir;
	if (prev_dir.parse_utf8(real_current_dir_name))
		prev_dir=real_current_dir_name; //no utf8, maybe latin?

	chdir(current_dir.utf8().get_data()); //ascii since this may be unicode or wathever the host os wants
	bool worked=(chdir(p_dir.utf8().get_data())==0); // we can only give this utf8
#ifndef IPHONE_ENABLED
	String base = _get_root_path();
	if (base!="") {

		getcwd(real_current_dir_name,2048);
		String new_dir;
		new_dir.parse_utf8(real_current_dir_name);
		if (!new_dir.begins_with(base))
			worked=false;
	}
#endif
	if (worked) {

		getcwd(real_current_dir_name,2048);
		if (current_dir.parse_utf8(real_current_dir_name))
			current_dir=real_current_dir_name; //no utf8, maybe latin?
	}

	chdir(prev_dir.utf8().get_data());
	return worked?OK:ERR_INVALID_PARAMETER;

}

String DirAccessUnix::get_current_dir() {

	String base = _get_root_path();
	if (base!="") {

		String bd = current_dir.replace_first(base,"");
		if (bd.begins_with("/"))
			return _get_root_string()+bd.substr(1,bd.length());
		else
			return _get_root_string()+bd;

	}
	return current_dir;
}

Error DirAccessUnix::rename(String p_path,String p_new_path) {

	if (p_path.is_rel_path())
		p_path=get_current_dir().plus_file(p_path);
	else
		p_path=fix_path(p_path);

	if (p_new_path.is_rel_path())
		p_new_path=get_current_dir().plus_file(p_new_path);
	else
		p_new_path=fix_path(p_new_path);

	return ::rename(p_path.utf8().get_data(),p_new_path.utf8().get_data())==0?OK:FAILED;
}
Error DirAccessUnix::remove(String p_path)  {

	if (p_path.is_rel_path())
		p_path=get_current_dir().plus_file(p_path);
	else
		p_path=fix_path(p_path);

	struct stat flags;
	if ((stat(p_path.utf8().get_data(),&flags)!=0))
		return FAILED;

	if (S_ISDIR(flags.st_mode))
		return ::rmdir(p_path.utf8().get_data())==0?OK:FAILED;
	else
		return ::unlink(p_path.utf8().get_data())==0?OK:FAILED;
}


size_t DirAccessUnix::get_space_left() {

#ifndef NO_STATVFS
	struct statvfs vfs;
	if (statvfs(current_dir.utf8().get_data(), &vfs) != 0) {

		return -1;
	};

	return vfs.f_bfree * vfs.f_bsize;
#else
#warning THIS IS BROKEN
	return 0;
#endif	
};



DirAccessUnix::DirAccessUnix() {

	dir_stream=0;
	current_dir=".";
	_cisdir=false;

	/* determine drive count */

	change_dir(current_dir);

}


DirAccessUnix::~DirAccessUnix() {

	list_dir_end();
}


#endif //posix_enabled