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"
25 #if defined (USE_WINDOWS_PACKAGING)
26 # include "support/os_win32.h"
32 #if !defined (USE_WINDOWS_PACKAGING) && \
33 !defined (USE_MACOSX_PACKAGING) && \
34 !defined (USE_POSIX_PACKAGING)
35 #error USE_FOO_PACKAGING must be defined for FOO = WINDOWS, MACOSX or POSIX.
38 #if defined (USE_MACOSX_PACKAGING)
39 # include "support/qstring_helpers.h"
41 # include <QDesktopServices>
52 bool initialised_ = false;
57 void init_package(string const & command_line_arg0,
58 string const & command_line_system_support_dir,
59 string const & command_line_user_support_dir)
61 package_ = Package(command_line_arg0,
62 command_line_system_support_dir,
63 command_line_user_support_dir);
68 Package const & package()
70 LAPPERR(initialised_);
77 FileName const abs_path_from_binary_name(string const & exe);
80 bool inBuildDir(FileName const & abs_binary, FileName &, FileName &);
82 FileName findLyxBinary(FileName const & abs_binary);
84 FileName const get_document_dir(FileName const & home_dir);
86 FileName const get_locale_dir(FileName const & system_support_dir);
88 FileName const get_system_support_dir(FileName const & abs_binary,
89 string const & command_line_system_support_dir);
91 FileName const get_default_user_support_dir(FileName const & home_dir);
93 bool userSupportDir(FileName const & default_user_support_dir,
94 string const & command_line_user_support_dir, FileName & result);
96 string const & with_version_suffix();
98 string const fix_dir_name(string const & name);
103 Package::Package(string const & command_line_arg0,
104 string const & command_line_system_support_dir,
105 string const & command_line_user_support_dir)
106 : explicit_user_support_dir_(false)
108 // Specification of temp_dir_ may be reset by LyXRC,
109 // but the default is fixed for a given OS.
110 system_temp_dir_ = FileName::tempPath();
111 temp_dir_ = system_temp_dir_;
112 document_dir_ = get_document_dir(get_home_dir());
114 FileName const abs_binary = abs_path_from_binary_name(command_line_arg0);
115 binary_dir_ = FileName(onlyPath(abs_binary.absFileName()));
117 // the LyX package directory
118 lyx_dir_ = FileName(addPath(binary_dir_.absFileName(), "../"));
119 lyx_dir_ = FileName(lyx_dir_.realPath());
121 // Is LyX being run in-place from the build tree?
122 in_build_dir_ = inBuildDir(abs_binary, build_support_dir_, system_support_dir_);
124 if (!in_build_dir_) {
125 system_support_dir_ =
126 get_system_support_dir(abs_binary,
127 command_line_system_support_dir);
130 // Find the LyX executable
131 lyx_binary_ = findLyxBinary(abs_binary);
133 locale_dir_ = get_locale_dir(system_support_dir_);
135 FileName const default_user_support_dir =
136 get_default_user_support_dir(get_home_dir());
138 explicit_user_support_dir_ = userSupportDir(default_user_support_dir,
139 command_line_user_support_dir, user_support_dir_);
142 LYXERR(Debug::INIT, "<package>\n"
143 << "\tbinary_dir " << binary_dir().absFileName() << '\n'
144 << "\tsystem_support " << system_support().absFileName() << '\n'
145 << "\tbuild_support " << build_support().absFileName() << '\n'
146 << "\tuser_support " << user_support().absFileName() << '\n'
147 << "\tlocale_dir " << locale_dir().absFileName() << '\n'
148 << "\tdocument_dir " << document_dir().absFileName() << '\n'
149 << "\ttemp_dir " << temp_dir().absFileName() << '\n'
150 << "\thome_dir " << get_home_dir().absFileName() << '\n'
154 std::string const & Package::configure_command() const
156 if (configure_command_.empty()) {
157 std::string &command = const_cast<std::string&>(configure_command_);
158 FileName const configure_script(addName(system_support().absFileName(), "configure.py"));
159 command = os::python() + ' ' +
160 quoteName(configure_script.toFilesystemEncoding()) +
161 with_version_suffix() + " --binary-dir=" +
162 quoteName(FileName(binary_dir().absFileName()).toFilesystemEncoding());
164 return configure_command_;
168 void Package::set_temp_dir(FileName const & temp_dir) const
170 if (temp_dir.empty())
171 temp_dir_ = system_temp_dir_;
173 temp_dir_ = temp_dir;
177 FileName Package::messages_file(string const & c) const
180 FileName res = FileName(lyx_dir().absFileName() + "/../po/" + c + ".gmo");
181 if (!res.isReadableFile())
182 res = FileName(top_srcdir().absFileName() + "/po/" + c + ".gmo");
185 return FileName(locale_dir_.absFileName() + "/" + c
186 + "/LC_MESSAGES/" PACKAGE ".mo");
190 // The specification of home_dir_ is fixed for a given OS.
191 // A typical example on Windows: "C:/Documents and Settings/USERNAME"
192 // and on a Posix-like machine: "/home/USERNAME".
193 FileName const & Package::get_home_dir()
195 #if defined (USE_WINDOWS_PACKAGING)
196 static FileName const home_dir(getEnv("USERPROFILE"));
197 #elif defined (USE_MACOSX_PACKAGING)
198 static FileName const home_dir(fromqstr(QDir::homePath()));
200 static FileName const home_dir(getEnv("HOME"));
208 // These next functions contain the stuff that is substituted at
209 // configuration-time.
210 FileName const hardcoded_localedir()
213 // The build system needs to make sure that this is in utf8 encoding.
214 return FileName(LYX_ABS_INSTALLED_LOCALEDIR);
218 FileName const hardcoded_system_support_dir()
221 // The build system needs to make sure that this is in utf8 encoding.
222 return FileName(LYX_ABS_INSTALLED_DATADIR);
226 string const & with_version_suffix()
228 static string const program_suffix = PROGRAM_SUFFIX;
229 static string const with_version_suffix =
230 " --with-version-suffix=" PROGRAM_SUFFIX;
231 return program_suffix.empty() ? program_suffix : with_version_suffix;
237 FileName const & Package::top_srcdir()
240 // The build system needs to make sure that this is in utf8 encoding.
241 static FileName const dir(LYX_ABS_TOP_SRCDIR);
248 bool check_command_line_dir(string const & dir,
250 string const & command_line_switch);
252 FileName const extract_env_var_dir(string const & env_var);
254 bool check_env_var_dir(FileName const & dir,
255 string const & env_var);
257 bool check_env_var_dir(FileName const & dir,
259 string const & env_var);
261 string const relative_locale_dir();
263 string const relative_system_support_dir();
267 * Convert \p name to internal path and strip a trailing slash, since it
268 * comes from user input (commandline or environment).
269 * \p name is encoded in utf8.
271 string const fix_dir_name(string const & name)
273 return rtrim(os::internal_path(name), "/");
278 bool isBuildDir(FileName const & abs_binary, string const & dir_location,
279 FileName & build_support_dir)
281 string search_dir = onlyPath(abs_binary.absFileName()) + dir_location;
283 // Makefile by automake
284 build_support_dir = FileName(addPath(search_dir, "lib"));
285 if (!fileSearch(build_support_dir.absFileName(), "Makefile").empty()) {
288 // cmake file, no Makefile in lib
289 FileName build_boost_dir = FileName(addPath(search_dir, "boost"));
290 if (!fileSearch(build_boost_dir.absFileName(), "cmake_install.cmake").empty()) {
297 bool inBuildDir(FileName const & abs_binary,
298 FileName & build_support_dir, FileName & system_support_dir)
300 string const check_text = "Checking whether LyX is run in place...";
302 // We're looking for "Makefile" in a directory
304 // We're also looking for "chkconfig.ltx" in a directory
306 // If both are found, then we're running LyX in-place.
308 // Note that the name of the lyx binary may be a symbolic link.
309 // If that is the case, then we follow the links too.
310 FileName binary = abs_binary;
312 // Try and find "lyxrc.defaults".
313 if( isBuildDir(binary, "../", build_support_dir) ||
314 isBuildDir(binary, "../../", build_support_dir))
316 // Try and find "chkconfig.ltx".
318 FileName(addPath(Package::top_srcdir().absFileName(), "lib"));
320 if (!fileSearch(system_support_dir.absFileName(), "chkconfig.ltx").empty()) {
321 LYXERR(Debug::INIT, check_text << " yes");
326 // Check whether binary is a symbolic link.
327 // If so, resolve it and repeat the exercise.
328 if (!binary.isSymLink())
332 if (readLink(binary, link)) {
335 // Unable to resolve the link.
340 LYXERR(Debug::INIT, check_text << " no");
341 system_support_dir = FileName();
342 build_support_dir = FileName();
348 bool doesFileExist(FileName & result, string const & search_dir, string const & name)
350 result = fileSearch(search_dir, name);
351 if (!result.empty()) {
358 bool lyxBinaryPath(FileName & lyx_binary, string const & search_dir, string const & ext)
360 lyx_binary = FileName();
362 } else if (doesFileExist(lyx_binary, search_dir, "lyx" + ext)) {
363 } else if (doesFileExist(lyx_binary, search_dir, "LyX" + ext)) {
364 } else if (doesFileExist(lyx_binary, search_dir, "lyx" + string(PROGRAM_SUFFIX) + ext)) {
365 } else if (doesFileExist(lyx_binary, search_dir, "LyX" + string(PROGRAM_SUFFIX) + ext)){
367 return !lyx_binary.empty() ? true : false;
371 FileName findLyxBinary(FileName const & abs_binary)
374 string checkname = abs_binary.toFilesystemEncoding();
375 int check_len = checkname.length();
376 int prgsuffixlen = string(PROGRAM_SUFFIX).length();
377 if ((prgsuffixlen > 0) && (check_len > prgsuffixlen) &&
378 (checkname.substr(check_len-prgsuffixlen) == string(PROGRAM_SUFFIX))) {
381 else if (!abs_binary.extension().empty()) {
382 ext = "." + abs_binary.extension();
385 string binary_dir = onlyPath(abs_binary.absFileName());
388 if (lyxBinaryPath(lyx_binary, binary_dir, ext))
391 string search_dir = onlyPath(FileName(addPath(binary_dir, "/../")).absFileName());
392 if (lyxBinaryPath(lyx_binary, search_dir, ext))
399 // Specification of document_dir_ may be reset by LyXRC,
400 // but the default is fixed for a given OS.
401 FileName const get_document_dir(FileName const & home_dir)
403 #if defined (USE_WINDOWS_PACKAGING)
404 (void)home_dir; // Silence warning about unused variable.
405 os::GetFolderPath win32_folder_path;
406 return FileName(win32_folder_path(os::GetFolderPath::PERSONAL));
407 #elif defined (USE_MACOSX_PACKAGING) && (QT_VERSION >= 0x050000)
408 (void)home_dir; // Silence warning about unused variable.
409 return FileName(fromqstr(QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation)));
410 #elif defined (USE_MACOSX_PACKAGING)
411 (void)home_dir; // Silence warning about unused variable.
412 return FileName(fromqstr(QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation)));
420 // Several sources are probed to ascertain the locale directory.
421 // The only requirement is that the result is indeed a directory.
422 FileName const get_locale_dir(FileName const & system_support_dir)
424 // 1. Use the "LYX_LOCALEDIR" environment variable.
425 FileName const path_env = extract_env_var_dir("LYX_LOCALEDIR");
426 if (!path_env.empty() && check_env_var_dir(path_env, "LYX_LOCALEDIR"))
429 // 2. Search for system_support_dir / <relative locale dir>
430 // The <relative locale dir> is OS-dependent. (On Unix, it will
432 FileName path(addPath(system_support_dir.absFileName(),
433 relative_locale_dir()));
435 if (path.exists() && path.isDirectory())
438 // 3. Fall back to the hard-coded LOCALEDIR.
439 path = hardcoded_localedir();
440 if (path.exists() && path.isDirectory())
447 // Extracts the absolute path from the foo of "-sysdir foo" or "-userdir foo"
448 FileName const abs_path_from_command_line(string const & command_line)
450 if (command_line.empty())
453 string const str_path = fix_dir_name(command_line);
454 return makeAbsPath(str_path);
458 // Does the grunt work for abs_path_from_binary_name()
459 FileName const get_binary_path(string const & exe)
461 #if defined (USE_WINDOWS_PACKAGING)
462 // The executable may have been invoked either with or
463 // without the .exe extension.
464 // Ensure that it is present.
465 string const as_internal_path = os::internal_path(exe);
466 string const exe_path = suffixIs(as_internal_path, ".exe") ?
467 as_internal_path : as_internal_path + ".exe";
469 string const exe_path = os::internal_path(exe);
471 if (FileName::isAbsolute(exe_path))
472 return FileName(exe_path);
474 // Two possibilities present themselves.
475 // 1. The binary is relative to the CWD.
476 FileName const abs_exe_path = makeAbsPath(exe_path);
477 if (abs_exe_path.exists())
480 // 2. exe must be the name of the binary only and it
481 // can be found on the PATH.
482 string const exe_name = onlyFileName(exe_path);
483 if (exe_name != exe_path)
486 vector<string> const path = getEnvPath("PATH");
487 vector<string>::const_iterator it = path.begin();
488 vector<string>::const_iterator const end = path.end();
489 for (; it != end; ++it) {
490 // This will do nothing if *it is already absolute.
491 string const exe_dir = makeAbsPath(*it).absFileName();
493 FileName const exe_path(addName(exe_dir, exe_name));
494 if (exe_path.exists())
498 // Didn't find anything.
503 // Extracts the absolute path to the binary name received as argv[0].
504 FileName const abs_path_from_binary_name(string const & exe)
506 FileName const abs_binary = get_binary_path(exe);
507 if (abs_binary.empty()) {
509 throw ExceptionMessage(ErrorException,
510 _("LyX binary not found"),
511 bformat(_("Unable to determine the path to the LyX binary from the command line %1$s"),
518 // A plethora of directories is searched to ascertain the system
519 // lyxdir which is defined as the first directory to contain
522 get_system_support_dir(FileName const & abs_binary,
523 string const & command_line_system_support_dir)
525 string const chkconfig_ltx = "chkconfig.ltx";
527 // searched_dirs is used for diagnostic purposes only in the case
528 // that "chkconfig.ltx" is not found.
529 list<FileName> searched_dirs;
531 // 1. Use the -sysdir command line parameter.
532 FileName path = abs_path_from_command_line(command_line_system_support_dir);
534 searched_dirs.push_back(path);
535 if (check_command_line_dir(path.absFileName(), chkconfig_ltx, "-sysdir"))
539 // 2. Use the "LYX_DIR_${major}${minor}x" environment variable.
540 path = extract_env_var_dir(LYX_DIR_VER);
542 searched_dirs.push_back(path);
543 if (check_env_var_dir(path, chkconfig_ltx, LYX_DIR_VER))
547 // 3. Search relative to the lyx binary.
548 // We're looking for "chkconfig.ltx" in a directory
549 // OnlyPath(abs_binary) / <relative dir> / PACKAGE /
550 // PACKAGE is hardcoded in config.h. Eg "lyx" or "lyx-1.3.6cvs".
551 // <relative dir> is OS-dependent; on Unix, it will be "../share/".
552 string const relative_lyxdir = relative_system_support_dir();
554 // One subtlety to be aware of. The name of the lyx binary may be
555 // a symbolic link. If that is the case, then we follow the links too.
556 FileName binary = abs_binary;
558 // Try and find "chkconfig.ltx".
559 string const binary_dir = onlyPath(binary.absFileName());
561 FileName const lyxdir(addPath(binary_dir, relative_lyxdir));
562 searched_dirs.push_back(lyxdir);
564 if (!fileSearch(lyxdir.absFileName(), chkconfig_ltx).empty()) {
565 // Success! "chkconfig.ltx" has been found.
569 // Check whether binary is a symbolic link.
570 // If so, resolve it and repeat the exercise.
571 if (!binary.isSymLink())
575 if (readLink(binary, link)) {
578 // Unable to resolve the link.
583 // 4. Repeat the exercise on the directory itself.
584 FileName binary_dir(onlyPath(abs_binary.absFileName()));
586 // This time test whether the directory is a symbolic link
587 // *before* looking for "chkconfig.ltx".
588 // (We've looked relative to the original already.)
589 if (!binary.isSymLink())
593 if (readLink(binary_dir, link)) {
596 // Unable to resolve the link.
600 // Try and find "chkconfig.ltx".
601 FileName const lyxdir(addPath(binary_dir.absFileName(),
603 searched_dirs.push_back(lyxdir);
605 if (!fileSearch(lyxdir.absFileName(), chkconfig_ltx).empty()) {
606 // Success! "chkconfig.ltx" has been found.
611 // 5. In desparation, try the hard-coded system support dir.
612 path = hardcoded_system_support_dir();
613 if (!fileSearch(path.absFileName(), chkconfig_ltx).empty())
616 // Everything has failed :-(
617 // So inform the user and exit.
618 string searched_dirs_str;
619 typedef list<FileName>::const_iterator iterator;
620 iterator const begin = searched_dirs.begin();
621 iterator const end = searched_dirs.end();
622 for (iterator it = begin; it != end; ++it) {
624 searched_dirs_str += "\n\t";
625 searched_dirs_str += it->absFileName();
629 throw ExceptionMessage(ErrorException, _("No system directory"),
630 bformat(_("Unable to determine the system directory "
633 "Use the '-sysdir' command line parameter or "
634 "set the environment variable\n%2$s "
635 "to the LyX system directory containing the "
636 "file `chkconfig.ltx'."),
637 from_utf8(searched_dirs_str), from_ascii(LYX_DIR_VER)));
639 // Keep the compiler happy.
644 // Returns the absolute path to the user lyxdir, together with a flag
645 // indicating whether this directory was specified explicitly (as -userdir
646 // or through an environment variable) or whether it was deduced.
647 bool userSupportDir(FileName const & default_user_support_dir,
648 string const & command_line_user_support_dir, FileName & result)
650 // 1. Use the -userdir command line parameter.
651 result = abs_path_from_command_line(command_line_user_support_dir);
655 // 2. Use the LYX_USERDIR_${major}${minor}x environment variable.
656 result = extract_env_var_dir(LYX_USERDIR_VER);
660 // 3. Use the OS-dependent default_user_support_dir
661 result = default_user_support_dir;
666 // $HOME/.lyx on POSIX but on Win32 it will be something like
667 // "C:/Documents and Settings/USERNAME/Application Data/LyX"
668 FileName const get_default_user_support_dir(FileName const & home_dir)
670 #if defined (USE_WINDOWS_PACKAGING)
671 (void)home_dir; // Silence warning about unused variable.
673 os::GetFolderPath win32_folder_path;
674 return FileName(addPath(win32_folder_path(os::GetFolderPath::APPDATA), PACKAGE));
676 #elif defined (USE_MACOSX_PACKAGING) && (QT_VERSION >= 0x050000)
677 (void)home_dir; // Silence warning about unused variable.
678 return FileName(addPath(fromqstr(QStandardPaths::writableLocation(QStandardPaths::DataLocation)), PACKAGE));
680 #elif defined (USE_MACOSX_PACKAGING)
681 (void)home_dir; // Silence warning about unused variable.
682 return FileName(addPath(fromqstr(QDesktopServices::storageLocation(QDesktopServices::DataLocation)), PACKAGE));
684 #else // USE_POSIX_PACKAGING
685 return FileName(addPath(home_dir.absFileName(), string(".") + PACKAGE));
690 // Check that directory @c dir contains @c file.
691 // Else emit an error message about an invalid @c command_line_switch.
692 bool check_command_line_dir(string const & dir,
694 string const & command_line_switch)
696 FileName const abs_path = fileSearch(dir, file);
697 if (abs_path.empty()) {
699 throw ExceptionMessage(ErrorException, _("File not found"), bformat(
700 _("Invalid %1$s switch.\nDirectory %2$s does not contain %3$s."),
701 from_utf8(command_line_switch), from_utf8(dir),
705 return !abs_path.empty();
709 // The environment variable @c env_var expands to a (single) file path.
710 FileName const extract_env_var_dir(string const & env_var)
712 string const dir = fix_dir_name(getEnv(env_var));
713 return dir.empty() ? FileName() : makeAbsPath(dir);
717 // Check that directory @c dir contains @c file.
718 // Else emit a warning about an invalid @c env_var.
719 bool check_env_var_dir(FileName const & dir,
721 string const & env_var)
723 FileName const abs_path = fileSearch(dir.absFileName(), file);
724 if (abs_path.empty()) {
726 throw ExceptionMessage(WarningException, _("File not found"), bformat(
727 _("Invalid %1$s environment variable.\n"
728 "Directory %2$s does not contain %3$s."),
729 from_utf8(env_var), from_utf8(dir.absFileName()),
733 return !abs_path.empty();
737 // Check that directory @c dir is indeed a directory.
738 // Else emit a warning about an invalid @c env_var.
739 bool check_env_var_dir(FileName const & dir,
740 string const & env_var)
742 bool const success = dir.exists() && dir.isDirectory();
745 // Put this string on a single line so that the gettext
746 // search mechanism in po/Makefile.in.in will register
747 // Package.cpp.in as a file containing strings that need
750 docstring const fmt =
751 _("Invalid %1$s environment variable.\n%2$s is not a directory.");
753 throw ExceptionMessage(WarningException, _("Directory not found"), bformat(
754 fmt, from_utf8(env_var), from_utf8(dir.absFileName())));
761 // The locale directory relative to the LyX system directory.
762 string const relative_locale_dir()
764 #if defined (USE_WINDOWS_PACKAGING) || defined (USE_MACOSX_PACKAGING)
772 // The system lyxdir is relative to the directory containing the LyX binary.
773 string const relative_system_support_dir()
777 #if defined (USE_WINDOWS_PACKAGING) || defined (USE_MACOSX_PACKAGING)
778 result = "../Resources/";
780 result = addPath("../share/", PACKAGE);
788 } // namespace support