summaryrefslogtreecommitdiff
path: root/dviware/dvisvgm/src/Directory.cpp
diff options
context:
space:
mode:
authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /dviware/dvisvgm/src/Directory.cpp
Initial commit
Diffstat (limited to 'dviware/dvisvgm/src/Directory.cpp')
-rw-r--r--dviware/dvisvgm/src/Directory.cpp131
1 files changed, 131 insertions, 0 deletions
diff --git a/dviware/dvisvgm/src/Directory.cpp b/dviware/dvisvgm/src/Directory.cpp
new file mode 100644
index 0000000000..ccc05a2e92
--- /dev/null
+++ b/dviware/dvisvgm/src/Directory.cpp
@@ -0,0 +1,131 @@
+/*************************************************************************
+** Directory.cpp **
+** **
+** This file is part of dvisvgm -- a fast DVI to SVG converter **
+** Copyright (C) 2005-2019 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 "Directory.hpp"
+
+using namespace std;
+
+#ifdef _WIN32
+ #include "windows.hpp"
+#else
+ #include <cerrno>
+ #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 = _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
+}
+
+