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
|
/*************************************************************************
** Directory.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2017 Martin Gieseking <martin.gieseking@uos.de> **
** **
** 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 <config.h>
#include "Directory.hpp"
using namespace std;
#ifdef _WIN32
#include <windows.h>
#else
#include <errno.h>
#include <sys/stat.h>
#endif
Directory::Directory () {
#if _WIN32
_handle = INVALID_HANDLE_VALUE;
_firstread = true;
memset(&_fileData, 0, sizeof(WIN32_FIND_DATA));
#else
_dir = nullptr;
_dirent = nullptr;
#endif
}
Directory::Directory (const string &dirname) {
#if _WIN32
_handle = INVALID_HANDLE_VALUE;
_firstread = true;
memset(&_fileData, 0, sizeof(WIN32_FIND_DATA));
#else
_dir = nullptr;
_dirent = nullptr;
#endif
open(dirname);
}
Directory::~Directory () {
close();
}
bool Directory::open (string dirname) {
_dirname = dirname;
#ifdef _WIN32
_firstread = true;
if (dirname[dirname.length()-1] == '/' || dirname[dirname.length()-1] == '\\')
dirname = dirname.substr(0, dirname.length()-1);
dirname += "\\*";
_handle = FindFirstFile(dirname.c_str(), &_fileData);
return _handle != INVALID_HANDLE_VALUE;
#else
_dir = opendir(_dirname.c_str());
return bool(_dir);
#endif
}
void Directory::close () {
#ifdef _WIN32
FindClose(_handle);
#else
if (_dir) {
closedir(_dir);
_dir = nullptr;
}
#endif
}
/** Reads first/next directory entry.
* @param[in] type type of entry to return (a: file or dir, f: file, d: dir)
* @return name of entry */
const char* Directory::read (EntryType type) {
#ifdef _WIN32
if (_handle == INVALID_HANDLE_VALUE)
return nullptr;
while (_firstread || FindNextFile(_handle, &_fileData)) {
_firstread = false;
if (_fileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
if (type == ET_FILE_OR_DIR || type == ET_DIR)
return _fileData.cFileName;
}
else if (type == ET_FILE_OR_DIR || type == ET_FILE)
return _fileData.cFileName;
}
FindClose(_handle);
_handle = INVALID_HANDLE_VALUE;
return nullptr;
#else
if (_dir) {
while ((_dirent = readdir(_dir))) {
string path = string(_dirname) + "/" + _dirent->d_name;
struct stat stats;
if (stat(path.c_str(), &stats) == 0) {
if (S_ISDIR(stats.st_mode)) {
if (type == ET_FILE_OR_DIR || type == ET_DIR)
return _dirent->d_name;
}
else if (type == ET_FILE_OR_DIR || type == ET_FILE)
return _dirent->d_name;
}
}
closedir(_dir);
_dir = nullptr;
}
return nullptr;
#endif
}
|
