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"
18 #include "support/lstrings.h"
28 #include <sys/cygwin.h>
33 using lyx::support::contains;
42 bool windows_style_tex_paths_ = false;
44 // In both is_posix_path() and is_windows_path() it is assumed that
45 // a valid posix or pseudo-windows path is passed. They simply tell
46 // whether the path looks posix/pseudo-windows or not.
48 bool is_posix_path(string const & p)
51 (!contains(p, '\\') && (p.length() <= 1 || p[1] != ':'));
54 // This is a test for a win32 style path with forward slashes (pseudo-windows).
56 bool is_windows_path(string const & p)
58 return p.empty() || (!contains(p, '\\') && p[0] != '/');
68 /// Convert a path to or from posix style.
69 /// \p p is encoded in local 8bit encoding or utf8.
70 /// The result is returned in the same encoding as \p p.
71 string convert_path(string const & p, PathStyle const & target)
73 char path_buf[PATH_MAX];
75 if ((target == posix && is_posix_path(p)) ||
76 (target == windows && is_windows_path(p)))
81 // cygwin_conv_to_posix_path and cygwin_conv_to_win32_path do not
82 // care about the encoding.
84 cygwin_conv_to_posix_path(p.c_str(), path_buf);
86 cygwin_conv_to_win32_path(p.c_str(), path_buf);
88 return subst(path_buf[0] ? path_buf : p, '\\', '/');
92 /// Convert a path list to or from posix style.
93 /// \p p is encoded in local 8bit encoding or utf8.
94 /// The result is returned in the same encoding as \p p.
95 string convert_path_list(string const & p, PathStyle const & target)
100 char const * const pc = p.c_str();
101 PathStyle const actual = cygwin_posix_path_list_p(pc) ? posix : windows;
103 if (target != actual) {
104 int const target_size = (target == posix) ?
105 cygwin_win32_to_posix_path_list_buf_size(pc) :
106 cygwin_posix_to_win32_path_list_buf_size(pc);
108 char * ptr = new char[target_size];
111 // FIXME: See comment in convert_path() above
113 cygwin_win32_to_posix_path_list(pc, ptr);
115 cygwin_posix_to_win32_path_list(pc, ptr);
117 string path_list = subst(ptr, '\\', '/');
123 return subst(p, '\\', '/');
128 void os::init(int, char *[])
130 // Make sure that the TEMP variable is set
131 // and sync the Windows environment.
133 setenv("TEMP", "/tmp", false);
134 cygwin_internal(CW_SYNC_WINENV);
138 string current_root()
144 docstring::size_type common_path(docstring const & p1, docstring const & p2)
146 docstring::size_type i = 0;
147 docstring::size_type const p1_len = p1.length();
148 docstring::size_type const p2_len = p2.length();
149 while (i < p1_len && i < p2_len && uppercase(p1[i]) == uppercase(p2[i]))
151 if ((i < p1_len && i < p2_len)
152 || (i < p1_len && p1[i] != '/' && i == p2_len)
153 || (i < p2_len && p2[i] != '/' && i == p1_len))
156 --i; // here was the last match
157 while (i && p1[i] != '/')
164 string external_path(string const & p)
166 return convert_path(p, PathStyle(posix));
170 string internal_path(string const & p)
172 return convert_path(p, PathStyle(posix));
176 string external_path_list(string const & p)
178 return convert_path_list(p, PathStyle(posix));
182 string internal_path_list(string const & p)
184 return convert_path_list(p, PathStyle(posix));
188 string latex_path(string const & p)
190 // We may need a posix style path or a windows style path (depending
191 // on windows_style_tex_paths_), but we use always forward slashes,
192 // since it gets written into a .tex file.
194 if (windows_style_tex_paths_ && is_absolute_path(p)) {
195 string dos_path = convert_path(p, PathStyle(windows));
197 << "<Path correction for LaTeX> ["
199 << dos_path << ']' << endl;
203 return convert_path(p, PathStyle(posix));
207 bool is_absolute_path(string const & p)
212 bool isDosPath = (p.length() > 1 && p[1] == ':');
213 bool isUnixPath = (p[0] == '/');
215 return isDosPath || isUnixPath;
219 // returns a string suitable to be passed to popen when
221 char const * popen_read_mode()
227 string const & nulldev()
229 static string const nulldev_ = "/dev/null";
240 char path_separator()
246 void windows_style_tex_paths(bool use_windows_paths)
248 windows_style_tex_paths_ = use_windows_paths;
252 bool canAutoOpenFile(string const & ext, auto_open_mode const mode)
257 string const full_ext = "." + ext;
259 DWORD bufSize = MAX_PATH + 100;
260 TCHAR buf[MAX_PATH + 100];
261 // reference: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc
262 // /platform/shell/reference/shlwapi/registry/assocquerystring.asp
263 char const * action = (mode == VIEW) ? "open" : "edit";
264 return S_OK == AssocQueryString(0, ASSOCSTR_EXECUTABLE,
265 full_ext.c_str(), action, buf, &bufSize);
269 bool autoOpenFile(string const & filename, auto_open_mode const mode)
271 // reference: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc
272 // /platform/shell/reference/functions/shellexecute.asp
273 string const win_path = to_local8bit(from_utf8(convert_path(filename, PathStyle(windows))));
274 char const * action = (mode == VIEW) ? "open" : "edit";
275 return reinterpret_cast<int>(ShellExecute(NULL, action,
276 win_path.c_str(), NULL, NULL, 1)) > 32;
280 } // namespace support