3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Ruurd A. Reitsma
7 * \author Claus Hentschel
8 * \author Angus Leeming
10 * Full author contact details are available in file CREDITS.
12 * Various OS specific functions
17 #include "support/os.h"
19 #include "support/FileName.h"
20 #include "support/lstrings.h"
21 #include "support/debug.h"
29 #include <sys/cygwin.h>
39 bool windows_style_tex_paths_ = false;
41 // In both is_posix_path() and is_windows_path() it is assumed that
42 // a valid posix or pseudo-windows path is passed. They simply tell
43 // whether the path looks posix/pseudo-windows or not.
45 bool is_posix_path(string const & p)
48 (!contains(p, '\\') && (p.length() <= 1 || p[1] != ':'));
51 // This is a test for a win32 style path with forward slashes (pseudo-windows).
53 bool is_windows_path(string const & p)
55 return p.empty() || (!contains(p, '\\') && p[0] != '/');
65 /// Convert a path to or from posix style.
66 /// \p p is encoded in local 8bit encoding or utf8.
67 /// The result is returned in the same encoding as \p p.
68 string convert_path(string const & p, PathStyle const & target)
70 char path_buf[PATH_MAX];
72 if ((target == posix && is_posix_path(p)) ||
73 (target == windows && is_windows_path(p)))
78 // cygwin_conv_to_posix_path and cygwin_conv_to_win32_path do not
79 // care about the encoding.
81 cygwin_conv_to_posix_path(p.c_str(), path_buf);
83 cygwin_conv_to_win32_path(p.c_str(), path_buf);
85 return subst(path_buf[0] ? path_buf : p, '\\', '/');
89 /// Convert a path list to or from posix style.
90 /// \p p is encoded in local 8bit encoding or utf8.
91 /// The result is returned in the same encoding as \p p.
92 string convert_path_list(string const & p, PathStyle const & target)
97 char const * const pc = p.c_str();
98 PathStyle const actual = cygwin_posix_path_list_p(pc) ? posix : windows;
100 if (target != actual) {
101 int const target_size = (target == posix) ?
102 cygwin_win32_to_posix_path_list_buf_size(pc) :
103 cygwin_posix_to_win32_path_list_buf_size(pc);
105 char * ptr = new char[target_size];
108 // FIXME: See comment in convert_path() above
110 cygwin_win32_to_posix_path_list(pc, ptr);
112 cygwin_posix_to_win32_path_list(pc, ptr);
114 string path_list = subst(ptr, '\\', '/');
120 return subst(p, '\\', '/');
125 void os::init(int, char *[])
127 // Make sure that the TEMP variable is set
128 // and sync the Windows environment.
130 setenv("TEMP", "/tmp", false);
131 cygwin_internal(CW_SYNC_WINENV);
135 string current_root()
141 bool isFilesystemCaseSensitive()
147 docstring::size_type common_path(docstring const & p1, docstring const & p2)
149 docstring::size_type i = 0;
150 docstring::size_type const p1_len = p1.length();
151 docstring::size_type const p2_len = p2.length();
152 while (i < p1_len && i < p2_len && uppercase(p1[i]) == uppercase(p2[i]))
154 if ((i < p1_len && i < p2_len)
155 || (i < p1_len && p1[i] != '/' && i == p2_len)
156 || (i < p2_len && p2[i] != '/' && i == p1_len))
159 --i; // here was the last match
160 while (i && p1[i] != '/')
167 string external_path(string const & p)
169 return convert_path(p, PathStyle(posix));
173 string internal_path(string const & p)
175 return convert_path(p, PathStyle(posix));
179 string external_path_list(string const & p)
181 return convert_path_list(p, PathStyle(posix));
185 string internal_path_list(string const & p)
187 return convert_path_list(p, PathStyle(posix));
191 string latex_path(string const & p)
193 // We may need a posix style path or a windows style path (depending
194 // on windows_style_tex_paths_), but we use always forward slashes,
195 // since it gets written into a .tex file.
197 if (windows_style_tex_paths_ && FileName(p).isAbsolute()) {
198 string dos_path = convert_path(p, PathStyle(windows));
199 LYXERR(Debug::LATEX, "<Path correction for LaTeX> ["
200 << p << "]->>[" << dos_path << ']');
204 return convert_path(p, PathStyle(posix));
208 // returns a string suitable to be passed to popen when
210 char const * popen_read_mode()
216 string const & nulldev()
218 static string const nulldev_ = "/dev/null";
229 char path_separator()
235 void windows_style_tex_paths(bool use_windows_paths)
237 windows_style_tex_paths_ = use_windows_paths;
241 bool canAutoOpenFile(string const & ext, auto_open_mode const mode)
246 string const full_ext = "." + ext;
248 DWORD bufSize = MAX_PATH + 100;
249 TCHAR buf[MAX_PATH + 100];
250 // reference: http://msdn.microsoft.com/en-us/library/bb773471.aspx
251 char const * action = (mode == VIEW) ? "open" : "edit";
252 return S_OK == AssocQueryString(ASSOCF_INIT_IGNOREUNKNOWN,
253 ASSOCSTR_EXECUTABLE, full_ext.c_str(), action, buf, &bufSize);
257 bool autoOpenFile(string const & filename, auto_open_mode const mode)
259 // reference: http://msdn.microsoft.com/en-us/library/bb762153.aspx
260 string const win_path = to_local8bit(from_utf8(convert_path(filename, PathStyle(windows))));
261 char const * action = (mode == VIEW) ? "open" : "edit";
262 return reinterpret_cast<int>(ShellExecute(NULL, action,
263 win_path.c_str(), NULL, NULL, 1)) > 32;
267 } // namespace support