1 |
/*************************************************************************** |
2 |
* * |
3 |
* Copyright (C) 2008 Grigor Iliev, Benno Senoner * |
4 |
* * |
5 |
* This program is free software; you can redistribute it and/or modify * |
6 |
* it under the terms of the GNU General Public License as published by * |
7 |
* the Free Software Foundation; either version 2 of the License, or * |
8 |
* (at your option) any later version. * |
9 |
* * |
10 |
* This program is distributed in the hope that it will be useful, * |
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
13 |
* GNU General Public License for more details. * |
14 |
* * |
15 |
* You should have received a copy of the GNU General Public License * |
16 |
* along with this program; if not, write to the Free Software * |
17 |
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, * |
18 |
* MA 02110-1301 USA * |
19 |
***************************************************************************/ |
20 |
|
21 |
#include "File.h" |
22 |
|
23 |
#include <cstring> |
24 |
#include <errno.h> |
25 |
#include <sstream> |
26 |
|
27 |
#include "Exception.h" |
28 |
#include "global_private.h" |
29 |
|
30 |
#if WIN32 |
31 |
|
32 |
#else |
33 |
#include <dirent.h> |
34 |
#include <ftw.h> |
35 |
#endif |
36 |
|
37 |
namespace LinuxSampler { |
38 |
|
39 |
#if WIN32 |
40 |
char File::DirSeparator = '\\'; |
41 |
#else |
42 |
char File::DirSeparator = '/'; |
43 |
#endif |
44 |
|
45 |
Mutex File::DirectoryWalkerMutex = Mutex(); |
46 |
std::vector<File::DirectoryWalker*> File::DirectoryWalkers; |
47 |
std::string File::DWErrorMsg; |
48 |
|
49 |
File::File(std::string Path) { |
50 |
#if WIN32 |
51 |
|
52 |
#else |
53 |
bExist = !stat(Path.c_str(), &Status); |
54 |
if(!bExist) ErrorMsg = strerror(errno); |
55 |
#endif |
56 |
} |
57 |
|
58 |
bool File::Exist() { |
59 |
return bExist; |
60 |
} |
61 |
|
62 |
std::string File::GetErrorMsg() { |
63 |
return ErrorMsg; |
64 |
} |
65 |
|
66 |
bool File::IsFile() { |
67 |
if(!Exist()) return false; |
68 |
|
69 |
#if WIN32 |
70 |
|
71 |
#else |
72 |
return S_ISREG(Status.st_mode); |
73 |
#endif |
74 |
} |
75 |
|
76 |
bool File::IsDirectory() { |
77 |
if(!Exist()) return false; |
78 |
|
79 |
#if WIN32 |
80 |
|
81 |
#else |
82 |
return S_ISDIR(Status.st_mode); |
83 |
#endif |
84 |
} |
85 |
|
86 |
unsigned long File::GetSize() { |
87 |
if(!Exist()) return 0; |
88 |
|
89 |
#if WIN32 |
90 |
|
91 |
#else |
92 |
return Status.st_size; |
93 |
#endif |
94 |
} |
95 |
|
96 |
FileListPtr File::GetFiles(std::string Dir) { |
97 |
#if WIN32 |
98 |
|
99 |
#else |
100 |
DIR* pDir = opendir(Dir.c_str()); |
101 |
if (pDir == NULL) { |
102 |
std::stringstream ss; |
103 |
ss << "Failed to list the directory content of `"; |
104 |
ss << Dir << "`: " << strerror(errno); |
105 |
throw Exception(ss.str()); |
106 |
} |
107 |
|
108 |
FileListPtr fileList(new std::vector<std::string>); |
109 |
|
110 |
struct dirent* pEnt = readdir(pDir); |
111 |
while (pEnt != NULL) { |
112 |
if (pEnt->d_type != DT_REG) { |
113 |
pEnt = readdir(pDir); |
114 |
continue; |
115 |
} |
116 |
|
117 |
fileList->push_back(std::string(pEnt->d_name)); |
118 |
pEnt = readdir(pDir); |
119 |
} |
120 |
|
121 |
if (closedir(pDir)) { |
122 |
std::stringstream ss; |
123 |
ss << "Failed to close directory `" << Dir << "`: "; |
124 |
ss << strerror(errno); |
125 |
throw Exception(ss.str()); |
126 |
} |
127 |
|
128 |
return fileList; |
129 |
#endif |
130 |
} |
131 |
|
132 |
void File::WalkDirectoryTree(std::string Dir, DirectoryWalker* pWalker) { |
133 |
dmsg(2,("File: WalkDirectoryTree(Dir=%s)\n", Dir.c_str())); |
134 |
File f = File(Dir); |
135 |
if(!f.Exist()) throw Exception("Fail to stat `" + Dir + "`: " + f.GetErrorMsg()); |
136 |
if(!f.IsDirectory()) throw Exception("The specified path is not a directory: " + Dir); |
137 |
|
138 |
DirectoryWalkerMutex.Lock(); |
139 |
DirectoryWalkers.push_back(pWalker); |
140 |
DWErrorMsg = "Failed to process directory tree: " + Dir; |
141 |
|
142 |
#if WIN32 |
143 |
|
144 |
#else |
145 |
if (ftw(Dir.c_str(), FtwCallback, 10)) { |
146 |
DirectoryWalkers.pop_back(); |
147 |
if (DirectoryWalkers.size() == 0) DirectoryWalkerMutex.Unlock(); |
148 |
throw Exception(DWErrorMsg); |
149 |
} |
150 |
#endif |
151 |
DirectoryWalkers.pop_back(); |
152 |
if (DirectoryWalkers.size() == 0) DirectoryWalkerMutex.Unlock(); |
153 |
} |
154 |
|
155 |
#if WIN32 |
156 |
|
157 |
#else |
158 |
int File::FtwCallback(const char* fpath, const struct stat* sb, int typeflag) { |
159 |
dmsg(2,("File: FtwCallback(fpath=%s)\n", fpath)); |
160 |
try { |
161 |
if (typeflag == FTW_D) DirectoryWalkers.back()->DirectoryEntry(std::string(fpath)); |
162 |
else if (typeflag == FTW_F) DirectoryWalkers.back()->FileEntry(std::string(fpath)); |
163 |
} catch(Exception e) { |
164 |
e.PrintMessage(); |
165 |
DWErrorMsg = e.Message(); |
166 |
return -1; |
167 |
} |
168 |
|
169 |
return 0; |
170 |
}; |
171 |
#endif |
172 |
} |