3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * parts Copyright 1985, 1990, 1993 Free Software Foundation, Inc.
8 * \author Ivan Schreter
9 * \author Dirk Niggemann
10 * \author Asger Alstrup
11 * \author Lars Gullik Bjønnes
12 * \author Jean-Marc Lasgouttes
13 * \author Angus Leeming
17 * Full author contact details are available in file CREDITS.
19 * General path-mangling functions
24 #include "support/convert.h"
25 #include "support/environment.h"
26 #include "support/filetools.h"
27 #include "support/fs_extras.h"
28 #include "support/lstrings.h"
29 #include "support/lyxlib.h"
30 #include "support/os.h"
31 #include "support/package.h"
32 #include "support/path.h"
33 #include "support/systemcall.h"
35 // FIXME Interface violation
39 #include <boost/assert.hpp>
40 #include <boost/filesystem/operations.hpp>
41 #include <boost/regex.hpp>
54 #ifndef CXX_GLOBAL_CSTD
65 using std::ostringstream;
68 namespace fs = boost::filesystem;
73 bool IsLyXFilename(string const & filename)
75 return suffixIs(ascii_lowercase(filename), ".lyx");
79 bool IsSGMLFilename(string const & filename)
81 return suffixIs(ascii_lowercase(filename), ".sgml");
85 string const latex_path(string const & original_path)
87 string path = subst(original_path, "\\", "/");
88 path = subst(path, "~", "\\string~");
89 if (path.find(' ') != string::npos)
90 // We can't use '"' because " is sometimes active (e.g. if
91 // babel is loaded with the "german" option)
92 path = "\\string\"" + path + "\\string\"";
97 // Substitutes spaces with underscores in filename (and path)
98 string const MakeLatexName(string const & file)
100 string name = OnlyFilename(file);
101 string const path = OnlyPath(file);
103 for (string::size_type i = 0; i < name.length(); ++i) {
104 name[i] &= 0x7f; // set 8th bit to 0
107 // ok so we scan through the string twice, but who cares.
108 string const keep("abcdefghijklmnopqrstuvwxyz"
109 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
110 "@!\"'()*+,-./0123456789:;<=>?[]`|");
112 string::size_type pos = 0;
113 while ((pos = name.find_first_not_of(keep, pos)) != string::npos) {
116 return AddName(path, name);
120 string const QuoteName(string const & name)
122 return (os::shell() == os::UNIX) ?
128 // Is a file readable ?
129 bool IsFileReadable(string const & path)
131 return fs::exists(path) && !fs::is_directory(path) && fs::is_readable(path);
135 //returns true: dir writeable
136 // false: not writeable
137 bool IsDirWriteable(string const & path)
139 lyxerr[Debug::FILES] << "IsDirWriteable: " << path << endl;
141 string const tmpfl(tempName(path, "lyxwritetest"));
151 // Uses a string of paths separated by ";"s to find a file to open.
152 // Can't cope with pathnames with a ';' in them. Returns full path to file.
153 // If path entry begins with $$LyX/, use system_lyxdir
154 // If path entry begins with $$User/, use user_lyxdir
155 // Example: "$$User/doc;$$LyX/doc"
156 string const FileOpenSearch(string const & path, string const & name,
161 bool notfound = true;
162 string tmppath = split(path, path_element, ';');
164 while (notfound && !path_element.empty()) {
165 path_element = os::internal_path(path_element);
166 if (!suffixIs(path_element, '/'))
168 path_element = subst(path_element, "$$LyX",
169 package().system_support());
170 path_element = subst(path_element, "$$User",
171 package().user_support());
173 real_file = FileSearch(path_element, name, ext);
175 if (real_file.empty()) {
177 tmppath = split(tmppath, path_element, ';');
178 } while (!tmppath.empty() && path_element.empty());
184 if (ext.empty() && notfound) {
185 real_file = FileOpenSearch(path, name, "exe");
186 if (notfound) real_file = FileOpenSearch(path, name, "cmd");
193 /// Returns a vector of all files in directory dir having extension ext.
194 vector<string> const DirList(string const & dir, string const & ext)
196 // EXCEPTIONS FIXME. Rewrite needed when we turn on exceptions. (Lgb)
197 vector<string> dirlist;
199 if (!(fs::exists(dir) && fs::is_directory(dir))) {
201 << "Directory \"" << dir
202 << "\" does not exist to DirList." << endl;
207 if (!ext.empty() && ext[0] != '.')
211 fs::directory_iterator dit(dir);
212 fs::directory_iterator end;
213 for (; dit != end; ++dit) {
214 string const & fil = dit->leaf();
215 if (suffixIs(fil, extension)) {
216 dirlist.push_back(fil);
223 // Returns the real name of file name in directory path, with optional
225 string const FileSearch(string const & path, string const & name,
228 // if `name' is an absolute path, we ignore the setting of `path'
229 // Expand Environmentvariables in 'name'
230 string const tmpname = ReplaceEnvironmentPath(name);
231 string fullname = MakeAbsPath(tmpname, path);
232 // search first without extension, then with it.
233 if (IsFileReadable(fullname))
235 else if (ext.empty())
237 else { // Is it not more reasonable to use ChangeExtension()? (SMiyata)
240 if (IsFileReadable(fullname))
248 // Search the file name.ext in the subdirectory dir of
250 // 2) build_lyxdir (if not empty)
252 string const LibFileSearch(string const & dir, string const & name,
255 string fullname = FileSearch(AddPath(package().user_support(), dir),
257 if (!fullname.empty())
260 if (!package().build_support().empty())
261 fullname = FileSearch(AddPath(package().build_support(), dir),
263 if (!fullname.empty())
266 return FileSearch(AddPath(package().system_support(), dir), name, ext);
271 i18nLibFileSearch(string const & dir, string const & name,
274 // the following comments are from intl/dcigettext.c. We try
275 // to mimick this behaviour here.
276 /* The highest priority value is the `LANGUAGE' environment
277 variable. But we don't use the value if the currently
278 selected locale is the C locale. This is a GNU extension. */
279 /* [Otherwise] We have to proceed with the POSIX methods of
280 looking to `LC_ALL', `LC_xxx', and `LANG'. */
282 string lang = getEnv("LC_ALL");
284 lang = getEnv("LC_MESSAGES");
286 lang = getEnv("LANG");
292 string const language = getEnv("LANGUAGE");
293 if (lang != "C" && lang != "POSIX" && !language.empty())
297 lang = split(lang, l, ':');
298 while (!l.empty() && l != "C" && l != "POSIX") {
299 string const tmp = LibFileSearch(dir,
300 token(l, '_', 0) + '_' + name,
304 lang = split(lang, l, ':');
307 return LibFileSearch(dir, name, ext);
311 string const LibScriptSearch(string const & command_in)
313 string const token_scriptpath("$$s/");
315 string command = command_in;
316 // Find the starting position of "$$s/"
317 string::size_type const pos1 = command.find(token_scriptpath);
318 if (pos1 == string::npos)
320 // Find the end of the "$$s/some_subdir/some_script" word within
321 // command. Assumes that the script name does not contain spaces.
322 string::size_type const start_script = pos1 + 4;
323 string::size_type const pos2 = command.find(' ', start_script);
324 string::size_type const size_script = pos2 == string::npos?
325 (command.size() - start_script) : pos2 - start_script;
327 // Does this script file exist?
328 string const script =
329 LibFileSearch(".", command.substr(start_script, size_script));
331 if (script.empty()) {
332 // Replace "$$s/" with ""
333 command.erase(pos1, 4);
335 // Replace "$$s/foo/some_script" with "<path to>/some_script".
336 string::size_type const size_replace = size_script + 4;
337 command.replace(pos1, size_replace, QuoteName(script));
346 string const createTmpDir(string const & tempdir, string const & mask)
349 << "createTmpDir: tempdir=`" << tempdir << "'\n"
350 << "createTmpDir: mask=`" << mask << '\'' << endl;
352 string const tmpfl(tempName(tempdir, mask));
353 // lyx::tempName actually creates a file to make sure that it
354 // stays unique. So we have to delete it before we can create
355 // a dir with the same name. Note also that we are not thread
356 // safe because of the gap between unlink and mkdir. (Lgb)
359 if (tmpfl.empty() || mkdir(tmpfl, 0700)) {
360 lyxerr << "LyX could not create the temporary directory '"
361 << tmpfl << "'" << endl;
365 return MakeAbsPath(tmpfl);
371 bool destroyDir(string const & tmpdir)
375 Path p(user_lyxdir());
377 return fs::remove_all(tmpdir) > 0;
381 string const createBufferTmpDir()
384 // We are in our own directory. Why bother to mangle name?
385 // In fact I wrote this code to circumvent a problematic behaviour
386 // (bug?) of EMX mkstemp().
388 package().temp_dir() + "/lyx_tmpbuf" +
389 convert<string>(count++);
391 if (mkdir(tmpfl, 0777)) {
392 lyxerr << "LyX could not create the temporary directory '"
393 << tmpfl << "'" << endl;
400 string const createLyXTmpDir(string const & deflt)
402 if (!deflt.empty() && deflt != "/tmp") {
403 if (mkdir(deflt, 0777)) {
405 Path p(package().user_support());
407 if (IsDirWriteable(deflt)) {
408 // deflt could not be created because it
409 // did exist already, so let's create our own
411 return createTmpDir(deflt, "lyx_tmpdir");
413 // some other error occured.
414 return createTmpDir("/tmp", "lyx_tmpdir");
420 Path p(package().user_support());
422 return createTmpDir("/tmp", "lyx_tmpdir");
427 bool createDirectory(string const & path, int permission)
429 string temp(rtrim(os::internal_path(path), "/"));
431 BOOST_ASSERT(!temp.empty());
433 if (mkdir(temp, permission))
440 // Strip filename from path name
441 string const OnlyPath(string const & Filename)
443 // If empty filename, return empty
444 if (Filename.empty()) return Filename;
446 // Find last / or start of filename
447 string::size_type j = Filename.rfind('/');
448 if (j == string::npos)
450 return Filename.substr(0, j + 1);
454 // Convert relative path into absolute path based on a basepath.
455 // If relpath is absolute, just use that.
456 // If basepath is empty, use CWD as base.
457 string const MakeAbsPath(string const & RelPath, string const & BasePath)
459 // checks for already absolute path
460 if (os::is_absolute_path(RelPath))
463 // Copies given paths
464 string TempRel(os::internal_path(RelPath));
465 // Since TempRel is NOT absolute, we can safely replace "//" with "/"
466 TempRel = subst(TempRel, "//", "/");
470 if (os::is_absolute_path(BasePath))
473 TempBase = AddPath(getcwd(), BasePath);
475 // Handle /./ at the end of the path
476 while (suffixIs(TempBase, "/./"))
477 TempBase.erase(TempBase.length() - 2);
479 // processes relative path
480 string RTemp(TempRel);
483 while (!RTemp.empty()) {
485 RTemp = split(RTemp, Temp, '/');
487 if (Temp == ".") continue;
489 // Remove one level of TempBase
490 string::difference_type i = TempBase.length() - 2;
493 while (i > 0 && TempBase[i] != '/') --i;
497 while (i > 2 && TempBase[i] != '/') --i;
500 TempBase.erase(i, string::npos);
503 } else if (Temp.empty() && !RTemp.empty()) {
504 TempBase = os::current_root() + RTemp;
507 // Add this piece to TempBase
508 if (!suffixIs(TempBase, '/'))
514 // returns absolute path
515 return os::internal_path(TempBase);
519 // Correctly append filename to the pathname.
520 // If pathname is '.', then don't use pathname.
521 // Chops any path of filename.
522 string const AddName(string const & path, string const & fname)
525 string const basename(OnlyFilename(fname));
529 if (path != "." && path != "./" && !path.empty()) {
530 buf = os::internal_path(path);
531 if (!suffixIs(path, '/'))
535 return buf + basename;
539 // Strips path from filename
540 string const OnlyFilename(string const & fname)
545 string::size_type j = fname.rfind('/');
546 if (j == string::npos) // no '/' in fname
550 return fname.substr(j + 1);
554 /// Returns true is path is absolute
555 bool AbsolutePath(string const & path)
557 return os::is_absolute_path(path);
562 // Create absolute path. If impossible, don't do anything
563 // Supports ./ and ~/. Later we can add support for ~logname/. (Asger)
564 string const ExpandPath(string const & path)
566 // checks for already absolute path
567 string RTemp(ReplaceEnvironmentPath(path));
568 if (os::is_absolute_path(RTemp))
572 string const copy(RTemp);
575 RTemp = split(RTemp, Temp, '/');
578 return getcwd() + '/' + RTemp;
581 return package().home_dir() + '/' + RTemp;
584 return MakeAbsPath(copy);
586 // Don't know how to handle this
592 // Constracts path/../path
593 // Can't handle "../../" or "/../" (Asger)
594 // Also converts paths like /foo//bar ==> /foo/bar
595 string const NormalizePath(string const & path)
601 if (os::is_absolute_path(path))
604 // Make implicit current directory explicit
607 // Normalise paths like /foo//bar ==> /foo/bar
608 boost::RegEx regex("/{2,}");
609 RTemp = regex.Merge(RTemp, "/");
611 while (!RTemp.empty()) {
613 RTemp = split(RTemp, Temp, '/');
617 } else if (Temp == "..") {
618 // Remove one level of TempBase
619 string::difference_type i = TempBase.length() - 2;
620 while (i > 0 && TempBase[i] != '/')
622 if (i >= 0 && TempBase[i] == '/')
623 TempBase.erase(i + 1, string::npos);
627 TempBase += Temp + '/';
631 // returns absolute path
636 string const GetFileContents(string const & fname)
638 if (fs::exists(fname)) {
639 ifstream ifs(fname.c_str());
647 lyxerr << "LyX was not able to read file '" << fname << '\'' << endl;
652 // Search the string for ${VAR} and $VAR and replace VAR using getenv.
653 string const ReplaceEnvironmentPath(string const & path)
655 // ${VAR} is defined as
656 // $\{[A-Za-z_][A-Za-z_0-9]*\}
657 static string const envvar_br = "[$]\\{([A-Za-z_][A-Za-z_0-9]*)\\}";
659 // $VAR is defined as:
660 // $\{[A-Za-z_][A-Za-z_0-9]*\}
661 static string const envvar = "[$]([A-Za-z_][A-Za-z_0-9]*)";
663 static boost::regex envvar_br_re("(.*)" + envvar_br + "(.*)");
664 static boost::regex envvar_re("(.*)" + envvar + "(.*)");
667 string result = path;
669 regex_match(result, what, envvar_br_re);
670 if (!what[0].matched) {
671 regex_match(result, what, envvar_re);
672 if (!what[0].matched)
675 result = what.str(1) + getEnv(what.str(2)) + what.str(3);
681 // Make relative path out of two absolute paths
682 string const MakeRelPath(string const & abspath, string const & basepath)
683 // Makes relative path out of absolute path. If it is deeper than basepath,
684 // it's easy. If basepath and abspath share something (they are all deeper
685 // than some directory), it'll be rendered using ..'s. If they are completely
686 // different, then the absolute path will be used as relative path.
688 string::size_type const abslen = abspath.length();
689 string::size_type const baselen = basepath.length();
691 string::size_type i = os::common_path(abspath, basepath);
694 // actually no match - cannot make it relative
698 // Count how many dirs there are in basepath above match
699 // and append as many '..''s into relpath
701 string::size_type j = i;
702 while (j < baselen) {
703 if (basepath[j] == '/') {
704 if (j + 1 == baselen)
711 // Append relative stuff from common directory to abspath
712 if (abspath[i] == '/')
714 for (; i < abslen; ++i)
717 if (suffixIs(buf, '/'))
718 buf.erase(buf.length() - 1);
719 // Substitute empty with .
726 // Append sub-directory(ies) to a path in an intelligent way
727 string const AddPath(string const & path, string const & path_2)
730 string const path2 = os::internal_path(path_2);
732 if (!path.empty() && path != "." && path != "./") {
733 buf = os::internal_path(path);
734 if (path[path.length() - 1] != '/')
738 if (!path2.empty()) {
739 string::size_type const p2start = path2.find_first_not_of('/');
740 string::size_type const p2end = path2.find_last_not_of('/');
741 string const tmp = path2.substr(p2start, p2end - p2start + 1);
749 Change extension of oldname to extension.
750 Strips path off if no_path == true.
751 If no extension on oldname, just appends.
753 string const ChangeExtension(string const & oldname, string const & extension)
755 string::size_type const last_slash = oldname.rfind('/');
756 string::size_type last_dot = oldname.rfind('.');
757 if (last_dot < last_slash && last_slash != string::npos)
758 last_dot = string::npos;
761 // Make sure the extension starts with a dot
762 if (!extension.empty() && extension[0] != '.')
763 ext= '.' + extension;
767 return os::internal_path(oldname.substr(0, last_dot) + ext);
771 /// Return the extension of the file (not including the .)
772 string const GetExtension(string const & name)
774 string::size_type const last_slash = name.rfind('/');
775 string::size_type const last_dot = name.rfind('.');
776 if (last_dot != string::npos &&
777 (last_slash == string::npos || last_dot > last_slash))
778 return name.substr(last_dot + 1,
779 name.length() - (last_dot + 1));
785 // the different filetypes and what they contain in one of the first lines
786 // (dots are any characters). (Herbert 20020131)
789 // EPS %!PS-Adobe-3.0 EPSF...
796 // PBM P1... or P4 (B/W)
797 // PGM P2... or P5 (Grayscale)
798 // PPM P3... or P6 (color)
799 // PS %!PS-Adobe-2.0 or 1.0, no "EPSF"!
800 // SGI \001\332... (decimal 474)
802 // TIFF II... or MM...
804 // XPM /* XPM */ sometimes missing (f.ex. tgif-export)
805 // ...static char *...
806 // XWD \000\000\000\151 (0x00006900) decimal 105
808 // GZIP \037\213 http://www.ietf.org/rfc/rfc1952.txt
809 // ZIP PK... http://www.halyava.ru/document/ind_arch.htm
810 // Z \037\235 UNIX compress
812 string const getFormatFromContents(string const & filename)
815 if (filename.empty() || !IsFileReadable(filename))
818 ifstream ifs(filename.c_str());
820 // Couldn't open file...
824 string const gzipStamp = "\037\213";
827 string const zipStamp = "PK";
830 string const compressStamp = "\037\235";
832 // Maximum strings to read
833 int const max_count = 50;
838 bool firstLine = true;
839 while ((count++ < max_count) && format.empty()) {
841 lyxerr[Debug::GRAPHICS]
842 << "filetools(getFormatFromContents)\n"
843 << "\tFile type not recognised before EOF!"
849 string const stamp = str.substr(0,2);
850 if (firstLine && str.size() >= 2) {
851 // at first we check for a zipped file, because this
852 // information is saved in the first bytes of the file!
853 // also some graphic formats which save the information
854 // in the first line, too.
855 if (prefixIs(str, gzipStamp)) {
858 } else if (stamp == zipStamp) {
861 } else if (stamp == compressStamp) {
865 } else if (stamp == "BM") {
868 } else if (stamp == "\001\332") {
872 // Don't need to use str.at(0), str.at(1) because
873 // we already know that str.size() >= 2
874 } else if (str[0] == 'P') {
890 } else if ((stamp == "II") || (stamp == "MM")) {
893 } else if (prefixIs(str,"%TGIF")) {
896 } else if (prefixIs(str,"#FIG")) {
899 } else if (prefixIs(str,"GIF")) {
902 } else if (str.size() > 3) {
903 int const c = ((str[0] << 24) & (str[1] << 16) &
904 (str[2] << 8) & str[3]);
915 else if (contains(str,"EPSF"))
916 // dummy, if we have wrong file description like
917 // %!PS-Adobe-2.0EPSF"
920 else if (contains(str,"Grace"))
923 else if (contains(str,"JFIF"))
926 else if (contains(str,"%PDF"))
929 else if (contains(str,"PNG"))
932 else if (contains(str,"%!PS-Adobe")) {
935 if (contains(str,"EPSF"))
941 else if (contains(str,"_bits[]"))
944 else if (contains(str,"XPM") || contains(str, "static char *"))
947 else if (contains(str,"BITPIX"))
951 if (!format.empty()) {
952 lyxerr[Debug::GRAPHICS]
953 << "Recognised Fileformat: " << format << endl;
957 lyxerr[Debug::GRAPHICS]
958 << "filetools(getFormatFromContents)\n"
959 << "\tCouldn't find a known format!\n";
964 /// check for zipped file
965 bool zippedFile(string const & name)
967 string const type = getFormatFromContents(name);
968 if (contains("gzip zip compress", type) && !type.empty())
974 string const unzippedFileName(string const & zipped_file)
976 string const ext = GetExtension(zipped_file);
977 if (ext == "gz" || ext == "z" || ext == "Z")
978 return ChangeExtension(zipped_file, string());
979 return "unzipped_" + zipped_file;
983 string const unzipFile(string const & zipped_file, string const & unzipped_file)
985 string const tempfile = unzipped_file.empty() ?
986 unzippedFileName(zipped_file) : unzipped_file;
988 string const command = "gunzip -c " + zipped_file + " > " + tempfile;
990 one.startscript(Systemcall::Wait, command);
991 // test that command was executed successfully (anon)
992 // yes, please do. (Lgb)
997 string const MakeDisplayPath(string const & path, unsigned int threshold)
1001 string const home(package().home_dir());
1003 // replace /home/blah with ~/
1004 if (prefixIs(str, home))
1005 str = subst(str, home, "~");
1007 if (str.length() <= threshold)
1008 return os::external_path(str);
1010 string const prefix = ".../";
1013 while (str.length() > threshold)
1014 str = split(str, temp, '/');
1016 // Did we shorten everything away?
1018 // Yes, filename itself is too long.
1019 // Pick the start and the end of the filename.
1020 str = OnlyFilename(path);
1021 string const head = str.substr(0, threshold / 2 - 3);
1023 string::size_type len = str.length();
1025 str.substr(len - threshold / 2 - 2, len - 1);
1026 str = head + "..." + tail;
1029 return os::external_path(prefix + str);
1033 bool LyXReadLink(string const & file, string & link, bool resolve)
1035 #ifdef HAVE_READLINK
1036 char linkbuffer[512];
1037 // Should be PATH_MAX but that needs autconf support
1038 int const nRead = ::readlink(file.c_str(),
1039 linkbuffer, sizeof(linkbuffer) - 1);
1042 linkbuffer[nRead] = '\0'; // terminator
1044 link = MakeAbsPath(linkbuffer, OnlyPath(file));
1054 cmd_ret const RunCommand(string const & cmd)
1056 // FIXME: replace all calls to RunCommand with ForkedCall
1057 // (if the output is not needed) or the code in ispell.C
1058 // (if the output is needed).
1060 // One question is if we should use popen or
1061 // create our own popen based on fork, exec, pipe
1062 // of course the best would be to have a
1063 // pstream (process stream), with the
1064 // variants ipstream, opstream
1066 #if defined (HAVE_POPEN)
1067 FILE * inf = ::popen(cmd.c_str(), os::popen_read_mode());
1068 #elif defined (HAVE__POPEN)
1069 FILE * inf = ::_popen(cmd.c_str(), os::popen_read_mode());
1071 #error No popen() function.
1074 // (Claus Hentschel) Check if popen was succesful ;-)
1076 return make_pair(-1, string());
1077 lyxerr << "RunCommand:: could not start child process" << endl;
1083 ret += static_cast<char>(c);
1087 #if defined (HAVE_PCLOSE)
1088 int const pret = pclose(inf);
1089 #elif defined (HAVE__PCLOSE)
1090 int const pret = _pclose(inf);
1092 #error No pclose() function.
1096 perror("RunCommand:: could not terminate child process");
1098 return make_pair(pret, ret);
1102 string const findtexfile(string const & fil, string const & /*format*/)
1104 /* There is no problem to extend this function too use other
1105 methods to look for files. It could be setup to look
1106 in environment paths and also if wanted as a last resort
1107 to a recursive find. One of the easier extensions would
1108 perhaps be to use the LyX file lookup methods. But! I am
1109 going to implement this until I see some demand for it.
1113 // If the file can be found directly, we just return a
1114 // absolute path version of it.
1115 if (fs::exists(fil))
1116 return MakeAbsPath(fil);
1118 // No we try to find it using kpsewhich.
1119 // It seems from the kpsewhich manual page that it is safe to use
1120 // kpsewhich without --format: "When the --format option is not
1121 // given, the search path used when looking for a file is inferred
1122 // from the name given, by looking for a known extension. If no
1123 // known extension is found, the search path for TeX source files
1125 // However, we want to take advantage of the format sine almost all
1126 // the different formats has environment variables that can be used
1127 // to controll which paths to search. f.ex. bib looks in
1128 // BIBINPUTS and TEXBIB. Small list follows:
1129 // bib - BIBINPUTS, TEXBIB
1131 // graphic/figure - TEXPICTS, TEXINPUTS
1132 // ist - TEXINDEXSTYLE, INDEXSTYLE
1133 // pk - PROGRAMFONTS, PKFONTS, TEXPKS, GLYPHFONTS, TEXFONTS
1135 // tfm - TFMFONTS, TEXFONTS
1136 // This means that to use kpsewhich in the best possible way we
1137 // should help it by setting additional path in the approp. envir.var.
1138 string const kpsecmd = "kpsewhich " + fil;
1140 cmd_ret const c = RunCommand(kpsecmd);
1142 lyxerr[Debug::LATEX] << "kpse status = " << c.first << '\n'
1143 << "kpse result = `" << rtrim(c.second, "\n")
1146 return os::internal_path(rtrim(c.second, "\n\r"));
1152 void removeAutosaveFile(string const & filename)
1154 string a = OnlyPath(filename);
1156 a += OnlyFilename(filename);
1163 void readBB_lyxerrMessage(string const & file, bool & zipped,
1164 string const & message)
1166 lyxerr[Debug::GRAPHICS] << "[readBB_from_PSFile] "
1167 << message << std::endl;
1168 #ifdef WITH_WARNINGS
1169 #warning Why is this func deleting a file? (Lgb)
1176 string const readBB_from_PSFile(string const & file)
1178 // in a (e)ps-file it's an entry like %%BoundingBox:23 45 321 345
1179 // It seems that every command in the header has an own line,
1180 // getline() should work for all files.
1181 // On the other hand some plot programs write the bb at the
1182 // end of the file. Than we have in the header:
1183 // %%BoundingBox: (atend)
1184 // In this case we must check the end.
1185 bool zipped = zippedFile(file);
1186 string const file_ = zipped ?
1187 string(unzipFile(file)) : string(file);
1188 string const format = getFormatFromContents(file_);
1190 if (format != "eps" && format != "ps") {
1191 readBB_lyxerrMessage(file_, zipped,"no(e)ps-format");
1195 std::ifstream is(file_.c_str());
1199 if (contains(s,"%%BoundingBox:") && !contains(s,"atend")) {
1200 string const bb = ltrim(s.substr(14));
1201 readBB_lyxerrMessage(file_, zipped, bb);
1205 readBB_lyxerrMessage(file_, zipped, "no bb found");
1210 int compare_timestamps(string const & file1, string const & file2)
1212 BOOST_ASSERT(AbsolutePath(file1) && AbsolutePath(file2));
1214 // If the original is newer than the copy, then copy the original
1215 // to the new directory.
1218 if (fs::exists(file1) && fs::exists(file2)) {
1219 double const tmp = difftime(fs::last_write_time(file1),
1220 fs::last_write_time(file2));
1222 cmp = tmp > 0 ? 1 : -1;
1224 } else if (fs::exists(file1)) {
1226 } else if (fs::exists(file2)) {
1233 } //namespace support