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,
86 latex_path_extension extension,
89 // On cygwin, we may need windows or posix style paths.
90 string path = os::latex_path(original_path);
91 path = subst(path, "~", "\\string~");
92 if (path.find(' ') != string::npos) {
93 // We can't use '"' because " is sometimes active (e.g. if
94 // babel is loaded with the "german" option)
95 if (extension == EXCLUDE_EXTENSION) {
96 // ChangeExtension calls os::internal_path internally
97 // so don't use it to remove the extension.
98 string const ext = getExtension(path);
99 string const base = ext.empty() ?
101 path.substr(0, path.length() - ext.length() - 1);
102 // ChangeExtension calls os::internal_path internally
103 // so don't use it to re-add the extension.
104 path = "\\string\"" + base + "\\string\"." + ext;
106 path = "\\string\"" + path + "\\string\"";
110 return dots == ESCAPE_DOTS ? subst(path, ".", "\\lyxdot ") : path;
114 // Substitutes spaces with underscores in filename (and path)
115 string const makeLatexName(string const & file)
117 string name = onlyFilename(file);
118 string const path = onlyPath(file);
120 for (string::size_type i = 0; i < name.length(); ++i)
121 name[i] &= 0x7f; // set 8th bit to 0
123 // ok so we scan through the string twice, but who cares.
124 string const keep = "abcdefghijklmnopqrstuvwxyz"
125 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
126 "@!\"'()*+,-./0123456789:;<=>?[]`|";
128 string::size_type pos = 0;
129 while ((pos = name.find_first_not_of(keep, pos)) != string::npos)
132 return addName(path, name);
136 string const quoteName(string const & name, quote_style style)
140 // This does not work for filenames containing " (windows)
141 // or ' (all other OSes). This can't be changed easily, since
142 // we would need to adapt the command line parser in
143 // Forkedcall::generateChild. Therefore we don't pass user
144 // filenames to child processes if possible. We store them in
145 // a python script instead, where we don't have these
147 return (os::shell() == os::UNIX) ?
151 return "\"" + subst(subst(name, "\\", "\\\\"), "\"", "\\\"")
154 // shut up stupid compiler
159 // Is a file readable ?
160 bool isFileReadable(string const & path)
162 return fs::exists(path) && !fs::is_directory(path) && fs::is_readable(path);
166 //returns true: dir writeable
167 // false: not writeable
168 bool isDirWriteable(string const & path)
170 lyxerr[Debug::FILES] << "isDirWriteable: " << path << endl;
172 string const tmpfl = tempName(path, "lyxwritetest");
182 // Uses a string of paths separated by ";"s to find a file to open.
183 // Can't cope with pathnames with a ';' in them. Returns full path to file.
184 // If path entry begins with $$LyX/, use system_lyxdir
185 // If path entry begins with $$User/, use user_lyxdir
186 // Example: "$$User/doc;$$LyX/doc"
187 string const fileOpenSearch(string const & path, string const & name,
192 bool notfound = true;
193 string tmppath = split(path, path_element, ';');
195 while (notfound && !path_element.empty()) {
196 path_element = os::internal_path(path_element);
197 if (!suffixIs(path_element, '/'))
199 path_element = subst(path_element, "$$LyX",
200 package().system_support());
201 path_element = subst(path_element, "$$User",
202 package().user_support());
204 real_file = fileSearch(path_element, name, ext);
206 if (real_file.empty()) {
208 tmppath = split(tmppath, path_element, ';');
209 } while (!tmppath.empty() && path_element.empty());
218 /// Returns a vector of all files in directory dir having extension ext.
219 vector<string> const dirList(string const & dir, string const & ext)
221 // EXCEPTIONS FIXME. Rewrite needed when we turn on exceptions. (Lgb)
222 vector<string> dirlist;
224 if (!(fs::exists(dir) && fs::is_directory(dir))) {
226 << "Directory \"" << dir
227 << "\" does not exist to DirList." << endl;
232 if (!ext.empty() && ext[0] != '.')
236 fs::directory_iterator dit(dir);
237 fs::directory_iterator end;
238 for (; dit != end; ++dit) {
239 string const & fil = dit->leaf();
240 if (suffixIs(fil, extension)) {
241 dirlist.push_back(fil);
248 // Returns the real name of file name in directory path, with optional
250 string const fileSearch(string const & path, string const & name,
253 // if `name' is an absolute path, we ignore the setting of `path'
254 // Expand Environmentvariables in 'name'
255 string const tmpname = replaceEnvironmentPath(name);
256 string fullname = makeAbsPath(tmpname, path);
257 // search first without extension, then with it.
258 if (isFileReadable(fullname))
262 // Is it not more reasonable to use ChangeExtension()? (SMiyata)
265 return isFileReadable(fullname) ? fullname : string();
269 // Search the file name.ext in the subdirectory dir of
271 // 2) build_lyxdir (if not empty)
273 string const libFileSearch(string const & dir, string const & name,
276 string fullname = fileSearch(addPath(package().user_support(), dir),
278 if (!fullname.empty())
281 if (!package().build_support().empty())
282 fullname = fileSearch(addPath(package().build_support(), dir),
284 if (!fullname.empty())
287 return fileSearch(addPath(package().system_support(), dir), name, ext);
291 string const i18nLibFileSearch(string const & dir, string const & name,
294 // the following comments are from intl/dcigettext.c. We try
295 // to mimick this behaviour here.
296 /* The highest priority value is the `LANGUAGE' environment
297 variable. But we don't use the value if the currently
298 selected locale is the C locale. This is a GNU extension. */
299 /* [Otherwise] We have to proceed with the POSIX methods of
300 looking to `LC_ALL', `LC_xxx', and `LANG'. */
302 string lang = getEnv("LC_ALL");
304 lang = getEnv("LC_MESSAGES");
306 lang = getEnv("LANG");
312 string const language = getEnv("LANGUAGE");
313 if (lang != "C" && lang != "POSIX" && !language.empty())
317 lang = split(lang, l, ':');
318 while (!l.empty() && l != "C" && l != "POSIX") {
319 string const tmp = libFileSearch(dir,
320 token(l, '_', 0) + '_' + name,
324 lang = split(lang, l, ':');
327 return libFileSearch(dir, name, ext);
331 string const libScriptSearch(string const & command_in, quote_style style)
333 static string const token_scriptpath = "$$s/";
335 string command = command_in;
336 // Find the starting position of "$$s/"
337 string::size_type const pos1 = command.find(token_scriptpath);
338 if (pos1 == string::npos)
340 // Find the end of the "$$s/some_subdir/some_script" word within
341 // command. Assumes that the script name does not contain spaces.
342 string::size_type const start_script = pos1 + 4;
343 string::size_type const pos2 = command.find(' ', start_script);
344 string::size_type const size_script = pos2 == string::npos?
345 (command.size() - start_script) : pos2 - start_script;
347 // Does this script file exist?
348 string const script =
349 libFileSearch(".", command.substr(start_script, size_script));
351 if (script.empty()) {
352 // Replace "$$s/" with ""
353 command.erase(pos1, 4);
355 // Replace "$$s/foo/some_script" with "<path to>/some_script".
356 string::size_type const size_replace = size_script + 4;
357 command.replace(pos1, size_replace, quoteName(script, style));
366 string const createTmpDir(string const & tempdir, string const & mask)
369 << "createTmpDir: tempdir=`" << tempdir << "'\n"
370 << "createTmpDir: mask=`" << mask << '\'' << endl;
372 string const tmpfl = tempName(tempdir, mask);
373 // lyx::tempName actually creates a file to make sure that it
374 // stays unique. So we have to delete it before we can create
375 // a dir with the same name. Note also that we are not thread
376 // safe because of the gap between unlink and mkdir. (Lgb)
379 if (tmpfl.empty() || mkdir(tmpfl, 0700)) {
380 lyxerr << "LyX could not create the temporary directory '"
381 << tmpfl << "'" << endl;
385 return makeAbsPath(tmpfl);
391 bool destroyDir(string const & tmpdir)
393 return fs::remove_all(tmpdir) > 0;
397 string const createBufferTmpDir()
400 // We are in our own directory. Why bother to mangle name?
401 // In fact I wrote this code to circumvent a problematic behaviour
402 // (bug?) of EMX mkstemp().
404 package().temp_dir() + "/lyx_tmpbuf" +
405 convert<string>(count++);
407 if (mkdir(tmpfl, 0777)) {
408 lyxerr << "LyX could not create the temporary directory '"
409 << tmpfl << "'" << endl;
416 string const createLyXTmpDir(string const & deflt)
418 if (!deflt.empty() && deflt != "/tmp") {
419 if (mkdir(deflt, 0777)) {
420 if (isDirWriteable(deflt)) {
421 // deflt could not be created because it
422 // did exist already, so let's create our own
424 return createTmpDir(deflt, "lyx_tmpdir");
426 // some other error occured.
427 return createTmpDir("/tmp", "lyx_tmpdir");
432 return createTmpDir("/tmp", "lyx_tmpdir");
437 bool createDirectory(string const & path, int permission)
439 string temp = rtrim(os::internal_path(path), "/");
440 BOOST_ASSERT(!temp.empty());
441 return mkdir(temp, permission) == 0;
445 // Strip filename from path name
446 string const onlyPath(string const & filename)
448 // If empty filename, return empty
449 if (filename.empty())
452 // Find last / or start of filename
453 string::size_type j = filename.rfind('/');
454 return j == string::npos ? "./" : filename.substr(0, j + 1);
458 // Convert relative path into absolute path based on a basepath.
459 // If relpath is absolute, just use that.
460 // If basepath is empty, use CWD as base.
461 string const makeAbsPath(string const & relPath, string const & basePath)
463 // checks for already absolute path
464 if (os::is_absolute_path(relPath))
467 // Copies given paths
468 string tempRel = os::internal_path(relPath);
469 // Since TempRel is NOT absolute, we can safely replace "//" with "/"
470 tempRel = subst(tempRel, "//", "/");
474 if (os::is_absolute_path(basePath))
477 tempBase = addPath(getcwd(), basePath);
479 // Handle /./ at the end of the path
480 while (suffixIs(tempBase, "/./"))
481 tempBase.erase(tempBase.length() - 2);
483 // processes relative path
484 string rTemp = tempRel;
487 while (!rTemp.empty()) {
489 rTemp = split(rTemp, temp, '/');
491 if (temp == ".") continue;
493 // Remove one level of TempBase
494 string::difference_type i = tempBase.length() - 2;
497 while (i > 0 && tempBase[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)
524 string const basename = onlyFilename(fname);
527 if (path != "." && path != "./" && !path.empty()) {
528 buf = os::internal_path(path);
529 if (!suffixIs(path, '/'))
533 return buf + basename;
537 // Strips path from filename
538 string const onlyFilename(string const & fname)
543 string::size_type j = fname.rfind('/');
544 if (j == string::npos) // no '/' in fname
548 return fname.substr(j + 1);
552 /// Returns true is path is absolute
553 bool absolutePath(string const & path)
555 return os::is_absolute_path(path);
559 // Create absolute path. If impossible, don't do anything
560 // Supports ./ and ~/. Later we can add support for ~logname/. (Asger)
561 string const expandPath(string const & path)
563 // checks for already absolute path
564 string rTemp = replaceEnvironmentPath(path);
565 if (os::is_absolute_path(rTemp))
569 string const copy = rTemp;
572 rTemp = split(rTemp, temp, '/');
575 return getcwd() + '/' + rTemp;
578 return package().home_dir() + '/' + rTemp;
581 return makeAbsPath(copy);
583 // Don't know how to handle this
588 // Normalize a path. Constracts path/../path
589 // Can't handle "../../" or "/../" (Asger)
590 // Also converts paths like /foo//bar ==> /foo/bar
591 string const normalizePath(string const & path)
593 // Normalize paths like /foo//bar ==> /foo/bar
594 static boost::regex regex("/{2,}");
595 string const tmppath = boost::regex_merge(path, regex, "/");
597 fs::path const npath = fs::path(tmppath, fs::no_check).normalize();
599 if (!npath.is_complete())
600 return "./" + npath.string() + '/';
602 return npath.string() + '/';
606 string const getFileContents(string const & fname)
608 if (fs::exists(fname)) {
609 ifstream ifs(fname.c_str());
617 lyxerr << "LyX was not able to read file '" << fname << '\'' << endl;
622 // Search the string for ${VAR} and $VAR and replace VAR using getenv.
623 string const replaceEnvironmentPath(string const & path)
625 // ${VAR} is defined as
626 // $\{[A-Za-z_][A-Za-z_0-9]*\}
627 static string const envvar_br = "[$]\\{([A-Za-z_][A-Za-z_0-9]*)\\}";
629 // $VAR is defined as:
630 // $\{[A-Za-z_][A-Za-z_0-9]*\}
631 static string const envvar = "[$]([A-Za-z_][A-Za-z_0-9]*)";
633 static boost::regex envvar_br_re("(.*)" + envvar_br + "(.*)");
634 static boost::regex envvar_re("(.*)" + envvar + "(.*)");
637 string result = path;
639 regex_match(result, what, envvar_br_re);
640 if (!what[0].matched) {
641 regex_match(result, what, envvar_re);
642 if (!what[0].matched)
645 result = what.str(1) + getEnv(what.str(2)) + what.str(3);
651 // Make relative path out of two absolute paths
652 string const makeRelPath(string const & abspath, string const & basepath)
653 // Makes relative path out of absolute path. If it is deeper than basepath,
654 // it's easy. If basepath and abspath share something (they are all deeper
655 // than some directory), it'll be rendered using ..'s. If they are completely
656 // different, then the absolute path will be used as relative path.
658 string::size_type const abslen = abspath.length();
659 string::size_type const baselen = basepath.length();
661 string::size_type i = os::common_path(abspath, basepath);
664 // actually no match - cannot make it relative
668 // Count how many dirs there are in basepath above match
669 // and append as many '..''s into relpath
671 string::size_type j = i;
672 while (j < baselen) {
673 if (basepath[j] == '/') {
674 if (j + 1 == baselen)
681 // Append relative stuff from common directory to abspath
682 if (abspath[i] == '/')
684 for (; i < abslen; ++i)
687 if (suffixIs(buf, '/'))
688 buf.erase(buf.length() - 1);
689 // Substitute empty with .
696 // Append sub-directory(ies) to a path in an intelligent way
697 string const addPath(string const & path, string const & path_2)
700 string const path2 = os::internal_path(path_2);
702 if (!path.empty() && path != "." && path != "./") {
703 buf = os::internal_path(path);
704 if (path[path.length() - 1] != '/')
708 if (!path2.empty()) {
709 string::size_type const p2start = path2.find_first_not_of('/');
710 string::size_type const p2end = path2.find_last_not_of('/');
711 string const tmp = path2.substr(p2start, p2end - p2start + 1);
719 Change extension of oldname to extension.
720 Strips path off if no_path == true.
721 If no extension on oldname, just appends.
723 string const changeExtension(string const & oldname, string const & extension)
725 string::size_type const last_slash = oldname.rfind('/');
726 string::size_type last_dot = oldname.rfind('.');
727 if (last_dot < last_slash && last_slash != string::npos)
728 last_dot = string::npos;
731 // Make sure the extension starts with a dot
732 if (!extension.empty() && extension[0] != '.')
733 ext= '.' + extension;
737 return os::internal_path(oldname.substr(0, last_dot) + ext);
741 string const removeExtension(string const & name)
743 return changeExtension(name, string());
747 /// Return the extension of the file (not including the .)
748 string const getExtension(string const & name)
750 string::size_type const last_slash = name.rfind('/');
751 string::size_type const last_dot = name.rfind('.');
752 if (last_dot != string::npos &&
753 (last_slash == string::npos || last_dot > last_slash))
754 return name.substr(last_dot + 1,
755 name.length() - (last_dot + 1));
761 // the different filetypes and what they contain in one of the first lines
762 // (dots are any characters). (Herbert 20020131)
765 // EPS %!PS-Adobe-3.0 EPSF...
772 // PBM P1... or P4 (B/W)
773 // PGM P2... or P5 (Grayscale)
774 // PPM P3... or P6 (color)
775 // PS %!PS-Adobe-2.0 or 1.0, no "EPSF"!
776 // SGI \001\332... (decimal 474)
778 // TIFF II... or MM...
780 // XPM /* XPM */ sometimes missing (f.ex. tgif-export)
781 // ...static char *...
782 // XWD \000\000\000\151 (0x00006900) decimal 105
784 // GZIP \037\213 http://www.ietf.org/rfc/rfc1952.txt
785 // ZIP PK... http://www.halyava.ru/document/ind_arch.htm
786 // Z \037\235 UNIX compress
788 string const getFormatFromContents(string const & filename)
791 if (filename.empty() || !isFileReadable(filename))
794 ifstream ifs(filename.c_str());
796 // Couldn't open file...
800 static string const gzipStamp = "\037\213";
803 static string const zipStamp = "PK";
806 static string const compressStamp = "\037\235";
808 // Maximum strings to read
809 int const max_count = 50;
814 bool firstLine = true;
815 while ((count++ < max_count) && format.empty()) {
817 lyxerr[Debug::GRAPHICS]
818 << "filetools(getFormatFromContents)\n"
819 << "\tFile type not recognised before EOF!"
825 string const stamp = str.substr(0, 2);
826 if (firstLine && str.size() >= 2) {
827 // at first we check for a zipped file, because this
828 // information is saved in the first bytes of the file!
829 // also some graphic formats which save the information
830 // in the first line, too.
831 if (prefixIs(str, gzipStamp)) {
834 } else if (stamp == zipStamp) {
837 } else if (stamp == compressStamp) {
841 } else if (stamp == "BM") {
844 } else if (stamp == "\001\332") {
848 // Don't need to use str.at(0), str.at(1) because
849 // we already know that str.size() >= 2
850 } else if (str[0] == 'P') {
866 } else if ((stamp == "II") || (stamp == "MM")) {
869 } else if (prefixIs(str,"%TGIF")) {
872 } else if (prefixIs(str,"#FIG")) {
875 } else if (prefixIs(str,"GIF")) {
878 } else if (str.size() > 3) {
879 int const c = ((str[0] << 24) & (str[1] << 16) &
880 (str[2] << 8) & str[3]);
891 else if (contains(str,"EPSF"))
892 // dummy, if we have wrong file description like
893 // %!PS-Adobe-2.0EPSF"
896 else if (contains(str,"Grace"))
899 else if (contains(str,"JFIF"))
902 else if (contains(str,"%PDF"))
905 else if (contains(str,"PNG"))
908 else if (contains(str,"%!PS-Adobe")) {
911 if (contains(str,"EPSF"))
917 else if (contains(str,"_bits[]"))
920 else if (contains(str,"XPM") || contains(str, "static char *"))
923 else if (contains(str,"BITPIX"))
927 if (!format.empty()) {
928 lyxerr[Debug::GRAPHICS]
929 << "Recognised Fileformat: " << format << endl;
933 lyxerr[Debug::GRAPHICS]
934 << "filetools(getFormatFromContents)\n"
935 << "\tCouldn't find a known format!\n";
940 /// check for zipped file
941 bool zippedFile(string const & name)
943 string const type = getFormatFromContents(name);
944 if (contains("gzip zip compress", type) && !type.empty())
950 string const unzippedFileName(string const & zipped_file)
952 string const ext = getExtension(zipped_file);
953 if (ext == "gz" || ext == "z" || ext == "Z")
954 return changeExtension(zipped_file, string());
955 return "unzipped_" + zipped_file;
959 string const unzipFile(string const & zipped_file, string const & unzipped_file)
961 string const tempfile = unzipped_file.empty() ?
962 unzippedFileName(zipped_file) : unzipped_file;
964 string const command = "gunzip -c " + zipped_file + " > " + tempfile;
966 one.startscript(Systemcall::Wait, command);
967 // test that command was executed successfully (anon)
968 // yes, please do. (Lgb)
973 docstring const makeDisplayPath(string const & path, unsigned int threshold)
976 string const home = package().home_dir();
978 // replace /home/blah with ~/
979 if (!home.empty() && prefixIs(str, home))
980 str = subst(str, home, "~");
982 if (str.length() <= threshold)
983 return lyx::from_utf8(os::external_path(str));
985 string const prefix = ".../";
988 while (str.length() > threshold)
989 str = split(str, temp, '/');
991 // Did we shorten everything away?
993 // Yes, filename itself is too long.
994 // Pick the start and the end of the filename.
995 str = onlyFilename(path);
996 string const head = str.substr(0, threshold / 2 - 3);
998 string::size_type len = str.length();
1000 str.substr(len - threshold / 2 - 2, len - 1);
1001 str = head + "..." + tail;
1004 return lyx::from_utf8(os::external_path(prefix + str));
1008 bool readLink(string const & file, string & link, bool resolve)
1010 #ifdef HAVE_READLINK
1011 char linkbuffer[512];
1012 // Should be PATH_MAX but that needs autconf support
1013 int const nRead = ::readlink(file.c_str(),
1014 linkbuffer, sizeof(linkbuffer) - 1);
1017 linkbuffer[nRead] = '\0'; // terminator
1019 link = makeAbsPath(linkbuffer, onlyPath(file));
1029 cmd_ret const runCommand(string const & cmd)
1031 // FIXME: replace all calls to RunCommand with ForkedCall
1032 // (if the output is not needed) or the code in ispell.C
1033 // (if the output is needed).
1035 // One question is if we should use popen or
1036 // create our own popen based on fork, exec, pipe
1037 // of course the best would be to have a
1038 // pstream (process stream), with the
1039 // variants ipstream, opstream
1041 #if defined (HAVE_POPEN)
1042 FILE * inf = ::popen(cmd.c_str(), os::popen_read_mode());
1043 #elif defined (HAVE__POPEN)
1044 FILE * inf = ::_popen(cmd.c_str(), os::popen_read_mode());
1046 #error No popen() function.
1049 // (Claus Hentschel) Check if popen was succesful ;-)
1051 lyxerr << "RunCommand:: could not start child process" << endl;
1052 return make_pair(-1, string());
1058 ret += static_cast<char>(c);
1062 #if defined (HAVE_PCLOSE)
1063 int const pret = pclose(inf);
1064 #elif defined (HAVE__PCLOSE)
1065 int const pret = _pclose(inf);
1067 #error No pclose() function.
1071 perror("RunCommand:: could not terminate child process");
1073 return make_pair(pret, ret);
1077 string const findtexfile(string const & fil, string const & /*format*/)
1079 /* There is no problem to extend this function too use other
1080 methods to look for files. It could be setup to look
1081 in environment paths and also if wanted as a last resort
1082 to a recursive find. One of the easier extensions would
1083 perhaps be to use the LyX file lookup methods. But! I am
1084 going to implement this until I see some demand for it.
1088 // If the file can be found directly, we just return a
1089 // absolute path version of it.
1090 if (fs::exists(fil))
1091 return makeAbsPath(fil);
1093 // No we try to find it using kpsewhich.
1094 // It seems from the kpsewhich manual page that it is safe to use
1095 // kpsewhich without --format: "When the --format option is not
1096 // given, the search path used when looking for a file is inferred
1097 // from the name given, by looking for a known extension. If no
1098 // known extension is found, the search path for TeX source files
1100 // However, we want to take advantage of the format sine almost all
1101 // the different formats has environment variables that can be used
1102 // to controll which paths to search. f.ex. bib looks in
1103 // BIBINPUTS and TEXBIB. Small list follows:
1104 // bib - BIBINPUTS, TEXBIB
1106 // graphic/figure - TEXPICTS, TEXINPUTS
1107 // ist - TEXINDEXSTYLE, INDEXSTYLE
1108 // pk - PROGRAMFONTS, PKFONTS, TEXPKS, GLYPHFONTS, TEXFONTS
1110 // tfm - TFMFONTS, TEXFONTS
1111 // This means that to use kpsewhich in the best possible way we
1112 // should help it by setting additional path in the approp. envir.var.
1113 string const kpsecmd = "kpsewhich " + fil;
1115 cmd_ret const c = runCommand(kpsecmd);
1117 lyxerr[Debug::LATEX] << "kpse status = " << c.first << '\n'
1118 << "kpse result = `" << rtrim(c.second, "\n")
1121 return os::internal_path(rtrim(c.second, "\n\r"));
1127 void removeAutosaveFile(string const & filename)
1129 string a = onlyPath(filename);
1131 a += onlyFilename(filename);
1138 void readBB_lyxerrMessage(string const & file, bool & zipped,
1139 string const & message)
1141 lyxerr[Debug::GRAPHICS] << "[readBB_from_PSFile] "
1142 << message << std::endl;
1143 #ifdef WITH_WARNINGS
1144 #warning Why is this func deleting a file? (Lgb)
1151 string const readBB_from_PSFile(string const & file)
1153 // in a (e)ps-file it's an entry like %%BoundingBox:23 45 321 345
1154 // It seems that every command in the header has an own line,
1155 // getline() should work for all files.
1156 // On the other hand some plot programs write the bb at the
1157 // end of the file. Than we have in the header:
1158 // %%BoundingBox: (atend)
1159 // In this case we must check the end.
1160 bool zipped = zippedFile(file);
1161 string const file_ = zipped ? unzipFile(file) : file;
1162 string const format = getFormatFromContents(file_);
1164 if (format != "eps" && format != "ps") {
1165 readBB_lyxerrMessage(file_, zipped,"no(e)ps-format");
1169 static boost::regex bbox_re(
1170 "^%%BoundingBox:\\s*([[:digit:]]+)\\s+([[:digit:]]+)\\s+([[:digit:]]+)\\s+([[:digit:]]+)");
1171 std::ifstream is(file_.c_str());
1176 if (regex_match(s, what, bbox_re)) {
1177 // Our callers expect the tokens in the string
1178 // separated by single spaces.
1179 // FIXME: change return type from string to something
1182 os << what.str(1) << ' ' << what.str(2) << ' '
1183 << what.str(3) << ' ' << what.str(4);
1184 string const bb = os.str();
1185 readBB_lyxerrMessage(file_, zipped, bb);
1189 readBB_lyxerrMessage(file_, zipped, "no bb found");
1194 int compare_timestamps(string const & file1, string const & file2)
1196 BOOST_ASSERT(absolutePath(file1));
1197 BOOST_ASSERT(absolutePath(file2));
1199 // If the original is newer than the copy, then copy the original
1200 // to the new directory.
1203 if (fs::exists(file1) && fs::exists(file2)) {
1204 double const tmp = difftime(fs::last_write_time(file1),
1205 fs::last_write_time(file2));
1207 cmp = tmp > 0 ? 1 : -1;
1209 } else if (fs::exists(file1)) {
1211 } else if (fs::exists(file2)) {
1218 } //namespace support