4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
7 * \author Angus Leeming
9 * Full author contact details are available in file CREDITS.
14 #include "support/Package.h"
16 #include "support/debug.h"
17 #include "support/environment.h"
18 #include "support/ExceptionMessage.h"
19 #include "support/filetools.h"
20 #include "support/gettext.h"
21 #include "support/lassert.h"
22 #include "support/lstrings.h"
23 #include "support/os.h"
24 #include "support/PathChanger.h"
25 #include "support/Systemcall.h"
27 #if defined (USE_WINDOWS_PACKAGING)
28 # include "support/os_win32.h"
35 #if !defined (USE_WINDOWS_PACKAGING) && \
36 !defined (USE_MACOSX_PACKAGING) && \
37 !defined (USE_HAIKU_PACKAGING) && \
38 !defined (USE_POSIX_PACKAGING)
39 #error USE_FOO_PACKAGING must be defined for FOO = WINDOWS, MACOSX, HAIKU or POSIX.
42 #if defined (USE_MACOSX_PACKAGING)
43 # include "support/qstring_helpers.h"
45 # include <QDesktopServices>
56 bool initialised_ = false;
61 void init_package(string const & command_line_arg0,
62 string const & command_line_system_support_dir,
63 string const & command_line_user_support_dir)
65 package_ = Package(command_line_arg0,
66 command_line_system_support_dir,
67 command_line_user_support_dir);
72 Package const & package()
74 LAPPERR(initialised_);
81 FileName const abs_path_from_binary_name(string const & exe);
84 bool inBuildDir(FileName const & abs_binary, FileName &, FileName &);
86 FileName findLyxBinary(FileName const & abs_binary);
88 FileName const get_document_dir(FileName const & home_dir);
90 FileName const get_locale_dir(FileName const & system_support_dir);
92 FileName const get_system_support_dir(FileName const & abs_binary,
93 string const & command_line_system_support_dir);
95 FileName const get_default_user_support_dir(FileName const & home_dir);
97 bool userSupportDir(FileName const & default_user_support_dir,
98 string const & command_line_user_support_dir, FileName & result);
100 string const & with_version_suffix();
102 string const fix_dir_name(string const & name);
107 Package::Package(string const & command_line_arg0,
108 string const & command_line_system_support_dir,
109 string const & command_line_user_support_dir)
110 : explicit_user_support_dir_(false)
112 // Specification of temp_dir_ may be reset by LyXRC,
113 // but the default is fixed for a given OS.
114 system_temp_dir_ = FileName::tempPath();
115 temp_dir_ = system_temp_dir_;
116 document_dir_ = get_document_dir(get_home_dir());
118 FileName const abs_binary = abs_path_from_binary_name(command_line_arg0);
119 binary_dir_ = FileName(onlyPath(abs_binary.absFileName()));
121 // the LyX package directory
122 lyx_dir_ = FileName(addPath(binary_dir_.absFileName(), "../"));
123 lyx_dir_ = FileName(lyx_dir_.realPath());
125 // Is LyX being run in-place from the build tree?
126 in_build_dir_ = inBuildDir(abs_binary, build_support_dir_, system_support_dir_);
128 if (!in_build_dir_) {
129 system_support_dir_ =
130 get_system_support_dir(abs_binary,
131 command_line_system_support_dir);
134 // Find the LyX executable
135 lyx_binary_ = findLyxBinary(abs_binary);
137 locale_dir_ = get_locale_dir(system_support_dir_);
139 FileName const default_user_support_dir =
140 get_default_user_support_dir(get_home_dir());
142 explicit_user_support_dir_ = userSupportDir(default_user_support_dir,
143 command_line_user_support_dir, user_support_dir_);
146 LYXERR(Debug::INIT, "<package>\n"
147 << "\tbinary_dir " << binary_dir().absFileName() << '\n'
148 << "\tsystem_support " << system_support().absFileName() << '\n'
149 << "\tbuild_support " << build_support().absFileName() << '\n'
150 << "\tuser_support " << user_support().absFileName() << '\n'
151 << "\tlocale_dir " << locale_dir().absFileName() << '\n'
152 << "\tdocument_dir " << document_dir().absFileName() << '\n'
153 << "\ttemp_dir " << temp_dir().absFileName() << '\n'
154 << "\thome_dir " << get_home_dir().absFileName() << '\n'
159 int Package::reconfigureUserLyXDir(string const & option) const
161 if (configure_command_.empty()) {
162 FileName const configure_script(addName(system_support().absFileName(), "configure.py"));
163 configure_command_ = os::python() + ' ' +
164 quoteName(configure_script.toFilesystemEncoding()) +
165 with_version_suffix() + " --binary-dir=" +
166 quoteName(FileName(binary_dir().absFileName()).toFilesystemEncoding());
169 lyxerr << to_utf8(_("LyX: reconfiguring user directory")) << endl;
170 PathChanger p(user_support());
172 int const ret = one.startscript(Systemcall::Wait, configure_command_ + option);
173 lyxerr << "LyX: " << to_utf8(_("Done!")) << endl;
178 string Package::getConfigureLockName() const
180 return addName(user_support().absFileName(), ".lyx_configure_lock");
184 void Package::set_temp_dir(FileName const & temp_dir) const
186 if (temp_dir.empty())
187 temp_dir_ = system_temp_dir_;
189 temp_dir_ = temp_dir;
193 FileName Package::messages_file(string const & c) const
196 FileName res = FileName(lyx_dir().absFileName() + "/po/" + c + ".gmo");
197 if (!res.isReadableFile())
198 res = FileName(lyx_dir().absFileName() + "../po/" + c + ".gmo");
199 if (!res.isReadableFile())
200 res = FileName(top_srcdir().absFileName() + "/po/" + c + ".gmo");
203 return FileName(locale_dir_.absFileName() + "/" + c
204 + "/LC_MESSAGES/" PACKAGE ".mo");
208 // The specification of home_dir_ is fixed for a given OS.
209 // A typical example on Windows: "C:/Documents and Settings/USERNAME"
210 // and on a Posix-like machine: "/home/USERNAME".
211 FileName const & Package::get_home_dir()
213 #if defined (USE_WINDOWS_PACKAGING)
214 static FileName const home_dir(getEnv("USERPROFILE"));
215 #elif defined (USE_MACOSX_PACKAGING)
216 static FileName const home_dir(fromqstr(QDir::homePath()));
218 static FileName const home_dir(getEnv("HOME"));
226 // These next functions contain the stuff that is substituted at
227 // configuration-time.
228 FileName const hardcoded_localedir()
231 // The build system needs to make sure that this is in utf8 encoding.
232 return FileName(LYX_ABS_INSTALLED_LOCALEDIR);
236 FileName const hardcoded_system_support_dir()
239 // The build system needs to make sure that this is in utf8 encoding.
240 return FileName(LYX_ABS_INSTALLED_DATADIR);
244 string const & with_version_suffix()
246 static string const program_suffix = PROGRAM_SUFFIX;
247 static string const with_version_suffix =
248 " --with-version-suffix=" PROGRAM_SUFFIX;
249 return program_suffix.empty() ? program_suffix : with_version_suffix;
255 FileName const & Package::top_srcdir()
258 // The build system needs to make sure that this is in utf8 encoding.
259 static FileName const dir(LYX_ABS_TOP_SRCDIR);
266 bool check_command_line_dir(string const & dir,
268 string const & command_line_switch);
270 FileName const extract_env_var_dir(string const & env_var);
272 bool check_env_var_dir(FileName const & dir,
273 string const & env_var);
275 bool check_env_var_dir(FileName const & dir,
277 string const & env_var);
279 string const relative_locale_dir();
281 string const relative_system_support_dir();
285 * Convert \p name to internal path and strip a trailing slash, since it
286 * comes from user input (commandline or environment).
287 * \p name is encoded in utf8.
289 string const fix_dir_name(string const & name)
291 return rtrim(os::internal_path(name), "/");
296 bool isBuildDir(FileName const & abs_binary, string const & dir_location,
297 FileName & build_support_dir)
299 string search_dir = onlyPath(abs_binary.absFileName()) + dir_location;
301 // Makefile by automake
302 build_support_dir = FileName(addPath(search_dir, "lib"));
303 if (!fileSearch(build_support_dir.absFileName(), "Makefile").empty()) {
306 // cmake file, no Makefile in lib
307 FileName build_src_dir = FileName(addPath(search_dir, "src"));
308 if (!fileSearch(build_src_dir.absFileName(), "cmake_install.cmake").empty()) {
315 bool inBuildDir(FileName const & abs_binary,
316 FileName & build_support_dir, FileName & system_support_dir)
318 string const check_text = "Checking whether LyX is run in place...";
320 // We're looking for "Makefile" in a directory
322 // We're also looking for "chkconfig.ltx" in a directory
324 // If both are found, then we're running LyX in-place.
326 // Note that the name of the lyx binary may be a symbolic link.
327 // If that is the case, then we follow the links too.
328 FileName binary = abs_binary;
330 // Try and find "lyxrc.defaults".
331 if( isBuildDir(binary, "../", build_support_dir) ||
332 isBuildDir(binary, "../../", build_support_dir))
334 // Try and find "chkconfig.ltx".
336 FileName(addPath(Package::top_srcdir().absFileName(), "lib"));
338 if (!fileSearch(system_support_dir.absFileName(), "chkconfig.ltx").empty()) {
339 LYXERR(Debug::INIT, check_text << " yes");
344 // Check whether binary is a symbolic link.
345 // If so, resolve it and repeat the exercise.
346 if (!binary.isSymLink())
350 if (readLink(binary, link)) {
353 // Unable to resolve the link.
358 LYXERR(Debug::INIT, check_text << " no");
359 system_support_dir = FileName();
360 build_support_dir = FileName();
366 bool doesFileExist(FileName & result, string const & search_dir, string const & name)
368 result = fileSearch(search_dir, name);
369 if (!result.empty()) {
376 bool lyxBinaryPath(FileName & lyx_binary, string const & search_dir, string const & ext)
378 lyx_binary = FileName();
380 } else if (doesFileExist(lyx_binary, search_dir, "lyx" + ext)) {
381 } else if (doesFileExist(lyx_binary, search_dir, "LyX" + ext)) {
382 } else if (doesFileExist(lyx_binary, search_dir, "lyx" + string(PROGRAM_SUFFIX) + ext)) {
383 } else if (doesFileExist(lyx_binary, search_dir, "LyX" + string(PROGRAM_SUFFIX) + ext)){
385 return !lyx_binary.empty() ? true : false;
389 FileName findLyxBinary(FileName const & abs_binary)
392 string checkname = abs_binary.toFilesystemEncoding();
393 int check_len = checkname.length();
394 int prgsuffixlen = string(PROGRAM_SUFFIX).length();
395 if ((prgsuffixlen > 0) && (check_len > prgsuffixlen) &&
396 (checkname.substr(check_len-prgsuffixlen) == string(PROGRAM_SUFFIX))) {
399 else if (!abs_binary.extension().empty()) {
400 ext = "." + abs_binary.extension();
403 string binary_dir = onlyPath(abs_binary.absFileName());
406 if (lyxBinaryPath(lyx_binary, binary_dir, ext))
409 string search_dir = onlyPath(FileName(addPath(binary_dir, "/../")).absFileName());
410 if (lyxBinaryPath(lyx_binary, search_dir, ext))
417 // Specification of document_dir_ may be reset by LyXRC,
418 // but the default is fixed for a given OS.
419 FileName const get_document_dir(FileName const & home_dir)
421 #if defined (USE_WINDOWS_PACKAGING)
422 (void)home_dir; // Silence warning about unused variable.
423 os::GetFolderPath win32_folder_path;
424 return FileName(win32_folder_path(os::GetFolderPath::PERSONAL));
425 #elif defined (USE_MACOSX_PACKAGING) && (QT_VERSION >= 0x050000)
426 (void)home_dir; // Silence warning about unused variable.
427 return FileName(fromqstr(QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation)));
428 #elif defined (USE_MACOSX_PACKAGING)
429 (void)home_dir; // Silence warning about unused variable.
430 return FileName(fromqstr(QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation)));
438 // Several sources are probed to ascertain the locale directory.
439 // The only requirement is that the result is indeed a directory.
440 FileName const get_locale_dir(FileName const & system_support_dir)
442 // 1. Use the "LYX_LOCALEDIR" environment variable.
443 FileName const path_env = extract_env_var_dir("LYX_LOCALEDIR");
444 if (!path_env.empty() && check_env_var_dir(path_env, "LYX_LOCALEDIR"))
447 // 2. Search for system_support_dir / <relative locale dir>
448 // The <relative locale dir> is OS-dependent. (On Unix, it will
450 FileName path(addPath(system_support_dir.absFileName(),
451 relative_locale_dir()));
453 if (path.exists() && path.isDirectory())
456 // 3. Fall back to the hard-coded LOCALEDIR.
457 path = hardcoded_localedir();
458 if (path.exists() && path.isDirectory())
465 // Extracts the absolute path from the foo of "-sysdir foo" or "-userdir foo"
466 FileName const abs_path_from_command_line(string const & command_line)
468 if (command_line.empty())
471 string const str_path = fix_dir_name(command_line);
472 return makeAbsPath(str_path);
476 // Does the grunt work for abs_path_from_binary_name()
477 FileName const get_binary_path(string const & exe)
479 #if defined (USE_WINDOWS_PACKAGING)
480 // The executable may have been invoked either with or
481 // without the .exe extension.
482 // Ensure that it is present.
483 string const as_internal_path = os::internal_path(exe);
484 string const exe_path = suffixIs(as_internal_path, ".exe") ?
485 as_internal_path : as_internal_path + ".exe";
487 string const exe_path = os::internal_path(exe);
489 if (FileName::isAbsolute(exe_path))
490 return FileName(exe_path);
492 // Two possibilities present themselves.
493 // 1. The binary is relative to the CWD.
494 FileName const abs_exe_path = makeAbsPath(exe_path);
495 if (abs_exe_path.exists())
498 // 2. exe must be the name of the binary only and it
499 // can be found on the PATH.
500 string const exe_name = onlyFileName(exe_path);
501 if (exe_name != exe_path)
504 vector<string> const path = getEnvPath("PATH");
505 vector<string>::const_iterator it = path.begin();
506 vector<string>::const_iterator const end = path.end();
507 for (; it != end; ++it) {
508 // This will do nothing if *it is already absolute.
509 string const exe_dir = makeAbsPath(*it).absFileName();
511 FileName const exe_path(addName(exe_dir, exe_name));
512 if (exe_path.exists())
516 // Didn't find anything.
521 // Extracts the absolute path to the binary name received as argv[0].
522 FileName const abs_path_from_binary_name(string const & exe)
524 FileName const abs_binary = get_binary_path(exe);
525 if (abs_binary.empty()) {
527 throw ExceptionMessage(ErrorException,
528 _("LyX binary not found"),
529 bformat(_("Unable to determine the path to the LyX binary from the command line %1$s"),
536 // A plethora of directories is searched to ascertain the system
537 // lyxdir which is defined as the first directory to contain
540 get_system_support_dir(FileName const & abs_binary,
541 string const & command_line_system_support_dir)
543 string const chkconfig_ltx = "chkconfig.ltx";
545 // searched_dirs is used for diagnostic purposes only in the case
546 // that "chkconfig.ltx" is not found.
547 list<FileName> searched_dirs;
549 // 1. Use the -sysdir command line parameter.
550 FileName path = abs_path_from_command_line(command_line_system_support_dir);
552 searched_dirs.push_back(path);
553 if (check_command_line_dir(path.absFileName(), chkconfig_ltx, "-sysdir"))
557 // 2. Use the "LYX_DIR_${major}${minor}x" environment variable.
558 path = extract_env_var_dir(LYX_DIR_VER);
560 searched_dirs.push_back(path);
561 if (check_env_var_dir(path, chkconfig_ltx, LYX_DIR_VER))
565 // 3. Search relative to the lyx binary.
566 // We're looking for "chkconfig.ltx" in a directory
567 // OnlyPath(abs_binary) / <relative dir> / PACKAGE /
568 // PACKAGE is hardcoded in config.h. Eg "lyx" or "lyx-1.3.6cvs".
569 // <relative dir> is OS-dependent; on Unix, it will be "../share/".
570 string const relative_lyxdir = relative_system_support_dir();
572 // One subtlety to be aware of. The name of the lyx binary may be
573 // a symbolic link. If that is the case, then we follow the links too.
574 FileName binary = abs_binary;
576 // Try and find "chkconfig.ltx".
577 string const binary_dir = onlyPath(binary.absFileName());
579 FileName const lyxdir(addPath(binary_dir, relative_lyxdir));
580 searched_dirs.push_back(lyxdir);
582 if (!fileSearch(lyxdir.absFileName(), chkconfig_ltx).empty()) {
583 // Success! "chkconfig.ltx" has been found.
587 // Check whether binary is a symbolic link.
588 // If so, resolve it and repeat the exercise.
589 if (!binary.isSymLink())
593 if (readLink(binary, link)) {
596 // Unable to resolve the link.
601 // 4. Repeat the exercise on the directory itself.
602 FileName binary_dir(onlyPath(abs_binary.absFileName()));
604 // This time test whether the directory is a symbolic link
605 // *before* looking for "chkconfig.ltx".
606 // (We've looked relative to the original already.)
607 if (!binary.isSymLink())
611 if (readLink(binary_dir, link)) {
614 // Unable to resolve the link.
618 // Try and find "chkconfig.ltx".
619 FileName const lyxdir(addPath(binary_dir.absFileName(),
621 searched_dirs.push_back(lyxdir);
623 if (!fileSearch(lyxdir.absFileName(), chkconfig_ltx).empty()) {
624 // Success! "chkconfig.ltx" has been found.
629 // 5. In desparation, try the hard-coded system support dir.
630 path = hardcoded_system_support_dir();
631 if (!fileSearch(path.absFileName(), chkconfig_ltx).empty())
634 // Everything has failed :-(
635 // So inform the user and exit.
636 string searched_dirs_str;
637 typedef list<FileName>::const_iterator iterator;
638 iterator const begin = searched_dirs.begin();
639 iterator const end = searched_dirs.end();
640 for (iterator it = begin; it != end; ++it) {
642 searched_dirs_str += "\n\t";
643 searched_dirs_str += it->absFileName();
647 throw ExceptionMessage(ErrorException, _("No system directory"),
648 bformat(_("Unable to determine the system directory "
651 "Use the '-sysdir' command line parameter or "
652 "set the environment variable\n%2$s "
653 "to the LyX system directory containing the "
654 "file `chkconfig.ltx'."),
655 from_utf8(searched_dirs_str), from_ascii(LYX_DIR_VER)));
659 // Returns the absolute path to the user lyxdir, together with a flag
660 // indicating whether this directory was specified explicitly (as -userdir
661 // or through an environment variable) or whether it was deduced.
662 bool userSupportDir(FileName const & default_user_support_dir,
663 string const & command_line_user_support_dir, FileName & result)
665 // 1. Use the -userdir command line parameter.
666 result = abs_path_from_command_line(command_line_user_support_dir);
670 // 2. Use the LYX_USERDIR_${major}${minor}x environment variable.
671 result = extract_env_var_dir(LYX_USERDIR_VER);
675 // 3. Use the OS-dependent default_user_support_dir
676 result = default_user_support_dir;
681 // $HOME/.lyx on POSIX but on Win32 it will be something like
682 // "C:/Documents and Settings/USERNAME/Application Data/LyX"
683 FileName const get_default_user_support_dir(FileName const & home_dir)
685 #if defined (USE_WINDOWS_PACKAGING)
686 (void)home_dir; // Silence warning about unused variable.
688 os::GetFolderPath win32_folder_path;
689 return FileName(addPath(win32_folder_path(os::GetFolderPath::APPDATA), PACKAGE));
691 #elif defined (USE_MACOSX_PACKAGING) && (QT_VERSION >= 0x050000)
692 (void)home_dir; // Silence warning about unused variable.
693 return FileName(addPath(fromqstr(QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation)), PACKAGE));
695 #elif defined (USE_MACOSX_PACKAGING)
696 (void)home_dir; // Silence warning about unused variable.
697 return FileName(addPath(fromqstr(QDesktopServices::storageLocation(QDesktopServices::DataLocation)), PACKAGE));
699 #elif defined (USE_HAIKU_PACKAGING)
700 return FileName(addPath(home_dir.absFileName(), string("/config/settings/") + PACKAGE));
702 #else // USE_POSIX_PACKAGING
703 return FileName(addPath(home_dir.absFileName(), string(".") + PACKAGE));
708 // Check that directory @c dir contains @c file.
709 // Else emit an error message about an invalid @c command_line_switch.
710 bool check_command_line_dir(string const & dir,
712 string const & command_line_switch)
714 FileName const abs_path = fileSearch(dir, file);
715 if (abs_path.empty()) {
717 throw ExceptionMessage(ErrorException, _("File not found"), bformat(
718 _("Invalid %1$s switch.\nDirectory %2$s does not contain %3$s."),
719 from_utf8(command_line_switch), from_utf8(dir),
723 return !abs_path.empty();
727 // The environment variable @c env_var expands to a (single) file path.
728 FileName const extract_env_var_dir(string const & env_var)
730 string const dir = fix_dir_name(getEnv(env_var));
731 return dir.empty() ? FileName() : makeAbsPath(dir);
735 // Check that directory @c dir contains @c file.
736 // Else emit a warning about an invalid @c env_var.
737 bool check_env_var_dir(FileName const & dir,
739 string const & env_var)
741 FileName const abs_path = fileSearch(dir.absFileName(), file);
742 if (abs_path.empty()) {
744 throw ExceptionMessage(WarningException, _("File not found"), bformat(
745 _("Invalid %1$s environment variable.\n"
746 "Directory %2$s does not contain %3$s."),
747 from_utf8(env_var), from_utf8(dir.absFileName()),
751 return !abs_path.empty();
755 // Check that directory @c dir is indeed a directory.
756 // Else emit a warning about an invalid @c env_var.
757 bool check_env_var_dir(FileName const & dir,
758 string const & env_var)
760 bool const success = dir.exists() && dir.isDirectory();
763 // Put this string on a single line so that the gettext
764 // search mechanism in po/Makefile.in.in will register
765 // Package.cpp.in as a file containing strings that need
768 docstring const fmt =
769 _("Invalid %1$s environment variable.\n%2$s is not a directory.");
771 throw ExceptionMessage(WarningException, _("Directory not found"), bformat(
772 fmt, from_utf8(env_var), from_utf8(dir.absFileName())));
779 // The locale directory relative to the LyX system directory.
780 string const relative_locale_dir()
782 #if defined (USE_WINDOWS_PACKAGING) || defined (USE_MACOSX_PACKAGING)
790 // The system lyxdir is relative to the directory containing the LyX binary.
791 string const relative_system_support_dir()
795 #if defined (USE_WINDOWS_PACKAGING) || defined (USE_MACOSX_PACKAGING)
796 result = "../Resources/";
798 result = addPath("../share/", PACKAGE);
806 } // namespace support