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>
58 using std::ostringstream;
62 namespace fs = boost::filesystem;
67 bool isLyXFilename(string const & filename)
69 return suffixIs(ascii_lowercase(filename), ".lyx");
73 bool isSGMLFilename(string const & filename)
75 return suffixIs(ascii_lowercase(filename), ".sgml");
79 bool isValidLaTeXFilename(string const & filename)
81 string const invalid_chars("#$%{}()[]\"^");
82 return filename.find_first_of(invalid_chars) == string::npos;
86 string const latex_path(string const & original_path,
87 latex_path_extension extension,
90 // On cygwin, we may need windows or posix style paths.
91 string path = os::latex_path(original_path);
92 path = subst(path, "~", "\\string~");
93 if (path.find(' ') != string::npos) {
94 // We can't use '"' because " is sometimes active (e.g. if
95 // babel is loaded with the "german" option)
96 if (extension == EXCLUDE_EXTENSION) {
97 // ChangeExtension calls os::internal_path internally
98 // so don't use it to remove the extension.
99 string const ext = getExtension(path);
100 string const base = ext.empty() ?
102 path.substr(0, path.length() - ext.length() - 1);
103 // ChangeExtension calls os::internal_path internally
104 // so don't use it to re-add the extension.
105 path = "\\string\"" + base + "\\string\"." + ext;
107 path = "\\string\"" + path + "\\string\"";
111 return dots == ESCAPE_DOTS ? subst(path, ".", "\\lyxdot ") : path;
115 // Substitutes spaces with underscores in filename (and path)
116 string const makeLatexName(string const & file)
118 string name = onlyFilename(file);
119 string const path = onlyPath(file);
121 // ok so we scan through the string twice, but who cares.
122 string const keep = "abcdefghijklmnopqrstuvwxyz"
123 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
124 "@!'()*+,-./0123456789:;<=>?[]`|";
126 string::size_type pos = 0;
127 while ((pos = name.find_first_not_of(keep, pos)) != string::npos)
130 return addName(path, name);
134 string const quoteName(string const & name, quote_style style)
138 // This does not work for filenames containing " (windows)
139 // or ' (all other OSes). This can't be changed easily, since
140 // we would need to adapt the command line parser in
141 // Forkedcall::generateChild. Therefore we don't pass user
142 // filenames to child processes if possible. We store them in
143 // a python script instead, where we don't have these
145 return (os::shell() == os::UNIX) ?
149 return "\"" + subst(subst(name, "\\", "\\\\"), "\"", "\\\"")
152 // shut up stupid compiler
158 // Uses a string of paths separated by ";"s to find a file to open.
159 // Can't cope with pathnames with a ';' in them. Returns full path to file.
160 // If path entry begins with $$LyX/, use system_lyxdir
161 // If path entry begins with $$User/, use user_lyxdir
162 // Example: "$$User/doc;$$LyX/doc"
163 FileName const fileOpenSearch(string const & path, string const & name,
168 bool notfound = true;
169 string tmppath = split(path, path_element, ';');
171 while (notfound && !path_element.empty()) {
172 path_element = os::internal_path(path_element);
173 if (!suffixIs(path_element, '/'))
175 path_element = subst(path_element, "$$LyX",
176 package().system_support().absFilename());
177 path_element = subst(path_element, "$$User",
178 package().user_support().absFilename());
180 real_file = fileSearch(path_element, name, ext);
182 if (real_file.empty()) {
184 tmppath = split(tmppath, path_element, ';');
185 } while (!tmppath.empty() && path_element.empty());
195 /// Returns a vector of all files in directory dir having extension ext.
196 vector<FileName> const dirList(FileName const & dir, string const & ext)
198 // EXCEPTIONS FIXME. Rewrite needed when we turn on exceptions. (Lgb)
199 vector<FileName> dirlist;
201 if (!(dir.exists() && dir.isDirectory())) {
203 << "Directory \"" << dir
204 << "\" does not exist to DirList." << endl;
209 if (!ext.empty() && ext[0] != '.')
213 string const encoded_dir = dir.toFilesystemEncoding();
214 fs::directory_iterator dit(encoded_dir);
215 fs::directory_iterator end;
216 for (; dit != end; ++dit) {
217 string const & fil = dit->leaf();
218 if (suffixIs(fil, extension))
219 dirlist.push_back(FileName::fromFilesystemEncoding(
220 encoded_dir + '/' + fil));
226 // Returns the real name of file name in directory path, with optional
228 FileName const fileSearch(string const & path, string const & name,
229 string const & ext, search_mode mode)
231 // if `name' is an absolute path, we ignore the setting of `path'
232 // Expand Environmentvariables in 'name'
233 string const tmpname = replaceEnvironmentPath(name);
234 FileName fullname(makeAbsPath(tmpname, path));
235 // search first without extension, then with it.
236 if (fullname.isReadable())
240 return mode == allow_unreadable ? fullname : FileName();
241 // Only add the extension if it is not already the extension of
243 if (getExtension(fullname.absFilename()) != ext)
244 fullname = FileName(addExtension(fullname.absFilename(), ext));
245 if (fullname.isReadable() || mode == allow_unreadable)
251 // Search the file name.ext in the subdirectory dir of
253 // 2) build_lyxdir (if not empty)
255 FileName const libFileSearch(string const & dir, string const & name,
258 FileName fullname = fileSearch(addPath(package().user_support().absFilename(), dir),
260 if (!fullname.empty())
263 if (!package().build_support().empty())
264 fullname = fileSearch(addPath(package().build_support().absFilename(), dir),
266 if (!fullname.empty())
269 return fileSearch(addPath(package().system_support().absFilename(), dir), name, ext);
273 FileName const i18nLibFileSearch(string const & dir, string const & name,
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.
280 Otherwise, w use a trick to guess what gettext has done:
281 each po file is able to tell us its name. (JMarc)
284 string lang = to_ascii(_("[[Replace with the code of your language]]"));
285 string const language = getEnv("LANGUAGE");
286 if (!lang.empty() && !language.empty())
290 lang = split(lang, l, ':');
293 // First try with the full name
294 tmp = libFileSearch(addPath(dir, l), name, ext);
298 // Then the name without country code
299 string const shortl = token(l, '_', 0);
301 tmp = libFileSearch(addPath(dir, shortl), name, ext);
307 // For compatibility, to be removed later (JMarc)
308 tmp = libFileSearch(dir, token(l, '_', 0) + '_' + name,
311 lyxerr << "i18nLibFileSearch: File `" << tmp
312 << "' has been found by the old method" <<endl;
316 lang = split(lang, l, ':');
319 return libFileSearch(dir, name, ext);
323 string const libScriptSearch(string const & command_in, quote_style style)
325 static string const token_scriptpath = "$$s/";
327 string command = command_in;
328 // Find the starting position of "$$s/"
329 string::size_type const pos1 = command.find(token_scriptpath);
330 if (pos1 == string::npos)
332 // Find the end of the "$$s/some_subdir/some_script" word within
333 // command. Assumes that the script name does not contain spaces.
334 string::size_type const start_script = pos1 + 4;
335 string::size_type const pos2 = command.find(' ', start_script);
336 string::size_type const size_script = pos2 == string::npos?
337 (command.size() - start_script) : pos2 - start_script;
339 // Does this script file exist?
340 string const script =
341 libFileSearch(".", command.substr(start_script, size_script)).absFilename();
343 if (script.empty()) {
344 // Replace "$$s/" with ""
345 command.erase(pos1, 4);
347 // Replace "$$s/foo/some_script" with "<path to>/some_script".
348 string::size_type const size_replace = size_script + 4;
349 command.replace(pos1, size_replace, quoteName(script, style));
356 static FileName createTmpDir(FileName const & tempdir, string const & mask)
359 << "createTmpDir: tempdir=`" << tempdir << "'\n"
360 << "createTmpDir: mask=`" << mask << '\'' << endl;
362 FileName const tmpfl(tempName(tempdir, mask));
363 // lyx::tempName actually creates a file to make sure that it
364 // stays unique. So we have to delete it before we can create
365 // a dir with the same name. Note also that we are not thread
366 // safe because of the gap between unlink and mkdir. (Lgb)
369 if (tmpfl.empty() || mkdir(tmpfl, 0700)) {
370 lyxerr << "LyX could not create the temporary directory '"
371 << tmpfl << "'" << endl;
378 bool destroyDir(FileName const & tmpdir)
381 return fs::remove_all(tmpdir.toFilesystemEncoding()) > 0;
382 } catch (fs::filesystem_error const & fe){
383 lyxerr << "Could not delete " << tmpdir << ". (" << fe.what() << ")" << std::endl;
389 string const createBufferTmpDir()
392 // We are in our own directory. Why bother to mangle name?
393 // In fact I wrote this code to circumvent a problematic behaviour
394 // (bug?) of EMX mkstemp().
396 package().temp_dir().absFilename() + "/lyx_tmpbuf" +
397 convert<string>(count++);
399 if (mkdir(FileName(tmpfl), 0777)) {
400 lyxerr << "LyX could not create the temporary directory '"
401 << tmpfl << "'" << endl;
408 FileName const createLyXTmpDir(FileName const & deflt)
410 if (!deflt.empty() && deflt.absFilename() != "/tmp") {
411 if (mkdir(deflt, 0777)) {
412 if (deflt.isDirWritable()) {
413 // deflt could not be created because it
414 // did exist already, so let's create our own
416 return createTmpDir(deflt, "lyx_tmpdir");
418 // some other error occured.
419 return createTmpDir(FileName("/tmp"), "lyx_tmpdir");
424 return createTmpDir(FileName("/tmp"), "lyx_tmpdir");
429 bool createDirectory(FileName const & path, int permission)
431 BOOST_ASSERT(!path.empty());
432 return mkdir(path, permission) == 0;
436 // Strip filename from path name
437 string const onlyPath(string const & filename)
439 // If empty filename, return empty
440 if (filename.empty())
443 // Find last / or start of filename
444 string::size_type j = filename.rfind('/');
445 return j == string::npos ? "./" : filename.substr(0, j + 1);
449 // Convert relative path into absolute path based on a basepath.
450 // If relpath is absolute, just use that.
451 // If basepath is empty, use CWD as base.
452 FileName const makeAbsPath(string const & relPath, string const & basePath)
454 // checks for already absolute path
455 if (os::is_absolute_path(relPath))
456 return FileName(relPath);
458 // Copies given paths
459 string tempRel = os::internal_path(relPath);
460 // Since TempRel is NOT absolute, we can safely replace "//" with "/"
461 tempRel = subst(tempRel, "//", "/");
465 if (os::is_absolute_path(basePath))
468 tempBase = addPath(getcwd().absFilename(), basePath);
470 // Handle /./ at the end of the path
471 while (suffixIs(tempBase, "/./"))
472 tempBase.erase(tempBase.length() - 2);
474 // processes relative path
475 string rTemp = tempRel;
478 while (!rTemp.empty()) {
480 rTemp = split(rTemp, temp, '/');
482 if (temp == ".") continue;
484 // Remove one level of TempBase
485 string::difference_type i = tempBase.length() - 2;
488 while (i > 0 && tempBase[i] != '/')
491 tempBase.erase(i, string::npos);
494 } else if (temp.empty() && !rTemp.empty()) {
495 tempBase = os::current_root() + rTemp;
498 // Add this piece to TempBase
499 if (!suffixIs(tempBase, '/'))
505 // returns absolute path
506 return FileName(os::internal_path(tempBase));
510 // Correctly append filename to the pathname.
511 // If pathname is '.', then don't use pathname.
512 // Chops any path of filename.
513 string const addName(string const & path, string const & fname)
515 string const basename = onlyFilename(fname);
518 if (path != "." && path != "./" && !path.empty()) {
519 buf = os::internal_path(path);
520 if (!suffixIs(path, '/'))
524 return buf + basename;
528 // Strips path from filename
529 string const onlyFilename(string const & fname)
534 string::size_type j = fname.rfind('/');
535 if (j == string::npos) // no '/' in fname
539 return fname.substr(j + 1);
543 /// Returns true is path is absolute
544 bool absolutePath(string const & path)
546 return os::is_absolute_path(path);
550 // Create absolute path. If impossible, don't do anything
551 // Supports ./ and ~/. Later we can add support for ~logname/. (Asger)
552 string const expandPath(string const & path)
554 // checks for already absolute path
555 string rTemp = replaceEnvironmentPath(path);
556 if (os::is_absolute_path(rTemp))
560 string const copy = rTemp;
563 rTemp = split(rTemp, temp, '/');
566 return getcwd().absFilename() + '/' + rTemp;
569 return package().home_dir().absFilename() + '/' + rTemp;
572 return makeAbsPath(copy).absFilename();
574 // Don't know how to handle this
579 // Normalize a path. Constracts path/../path
580 // Can't handle "../../" or "/../" (Asger)
581 // Also converts paths like /foo//bar ==> /foo/bar
582 string const normalizePath(string const & path)
584 // Normalize paths like /foo//bar ==> /foo/bar
585 static boost::regex regex("/{2,}");
586 string const tmppath = boost::regex_merge(path, regex, "/");
588 fs::path const npath = fs::path(tmppath, fs::no_check).normalize();
590 if (!npath.is_complete())
591 return "./" + npath.string() + '/';
593 return npath.string() + '/';
597 string const getFileContents(FileName const & fname)
599 if (fname.exists()) {
600 string const encodedname = fname.toFilesystemEncoding();
601 ifstream ifs(encodedname.c_str());
609 lyxerr << "LyX was not able to read file '" << fname << '\'' << endl;
614 // Search the string for ${VAR} and $VAR and replace VAR using getenv.
615 string const replaceEnvironmentPath(string const & path)
617 // ${VAR} is defined as
618 // $\{[A-Za-z_][A-Za-z_0-9]*\}
619 static string const envvar_br = "[$]\\{([A-Za-z_][A-Za-z_0-9]*)\\}";
621 // $VAR is defined as:
622 // $\{[A-Za-z_][A-Za-z_0-9]*\}
623 static string const envvar = "[$]([A-Za-z_][A-Za-z_0-9]*)";
625 static boost::regex envvar_br_re("(.*)" + envvar_br + "(.*)");
626 static boost::regex envvar_re("(.*)" + envvar + "(.*)");
629 string result = path;
631 regex_match(result, what, envvar_br_re);
632 if (!what[0].matched) {
633 regex_match(result, what, envvar_re);
634 if (!what[0].matched)
637 result = what.str(1) + getEnv(what.str(2)) + what.str(3);
643 // Make relative path out of two absolute paths
644 docstring const makeRelPath(docstring const & abspath, docstring const & basepath)
645 // Makes relative path out of absolute path. If it is deeper than basepath,
646 // it's easy. If basepath and abspath share something (they are all deeper
647 // than some directory), it'll be rendered using ..'s. If they are completely
648 // different, then the absolute path will be used as relative path.
650 docstring::size_type const abslen = abspath.length();
651 docstring::size_type const baselen = basepath.length();
653 docstring::size_type i = os::common_path(abspath, basepath);
656 // actually no match - cannot make it relative
660 // Count how many dirs there are in basepath above match
661 // and append as many '..''s into relpath
663 docstring::size_type j = i;
664 while (j < baselen) {
665 if (basepath[j] == '/') {
666 if (j + 1 == baselen)
673 // Append relative stuff from common directory to abspath
674 if (abspath[i] == '/')
676 for (; i < abslen; ++i)
679 if (suffixIs(buf, '/'))
680 buf.erase(buf.length() - 1);
681 // Substitute empty with .
688 // Append sub-directory(ies) to a path in an intelligent way
689 string const addPath(string const & path, string const & path_2)
692 string const path2 = os::internal_path(path_2);
694 if (!path.empty() && path != "." && path != "./") {
695 buf = os::internal_path(path);
696 if (path[path.length() - 1] != '/')
700 if (!path2.empty()) {
701 string::size_type const p2start = path2.find_first_not_of('/');
702 string::size_type const p2end = path2.find_last_not_of('/');
703 string const tmp = path2.substr(p2start, p2end - p2start + 1);
710 string const changeExtension(string const & oldname, string const & extension)
712 string::size_type const last_slash = oldname.rfind('/');
713 string::size_type last_dot = oldname.rfind('.');
714 if (last_dot < last_slash && last_slash != string::npos)
715 last_dot = string::npos;
718 // Make sure the extension starts with a dot
719 if (!extension.empty() && extension[0] != '.')
720 ext= '.' + extension;
724 return os::internal_path(oldname.substr(0, last_dot) + ext);
728 string const removeExtension(string const & name)
730 return changeExtension(name, string());
734 string const addExtension(string const & name, string const & extension)
736 if (!extension.empty() && extension[0] != '.')
737 return name + '.' + extension;
738 return name + extension;
742 /// Return the extension of the file (not including the .)
743 string const getExtension(string const & name)
745 string::size_type const last_slash = name.rfind('/');
746 string::size_type const last_dot = name.rfind('.');
747 if (last_dot != string::npos &&
748 (last_slash == string::npos || last_dot > last_slash))
749 return name.substr(last_dot + 1,
750 name.length() - (last_dot + 1));
756 // the different filetypes and what they contain in one of the first lines
757 // (dots are any characters). (Herbert 20020131)
760 // EPS %!PS-Adobe-3.0 EPSF...
767 // PBM P1... or P4 (B/W)
768 // PGM P2... or P5 (Grayscale)
769 // PPM P3... or P6 (color)
770 // PS %!PS-Adobe-2.0 or 1.0, no "EPSF"!
771 // SGI \001\332... (decimal 474)
773 // TIFF II... or MM...
775 // XPM /* XPM */ sometimes missing (f.ex. tgif-export)
776 // ...static char *...
777 // XWD \000\000\000\151 (0x00006900) decimal 105
779 // GZIP \037\213 http://www.ietf.org/rfc/rfc1952.txt
780 // ZIP PK... http://www.halyava.ru/document/ind_arch.htm
781 // Z \037\235 UNIX compress
783 string const getFormatFromContents(FileName const & filename)
786 if (filename.empty() || !filename.isReadable())
789 ifstream ifs(filename.toFilesystemEncoding().c_str());
791 // Couldn't open file...
795 static string const gzipStamp = "\037\213";
798 static string const zipStamp = "PK";
801 static string const compressStamp = "\037\235";
803 // Maximum strings to read
804 int const max_count = 50;
809 bool firstLine = true;
810 while ((count++ < max_count) && format.empty()) {
812 LYXERR(Debug::GRAPHICS)
813 << "filetools(getFormatFromContents)\n"
814 << "\tFile type not recognised before EOF!"
820 string const stamp = str.substr(0, 2);
821 if (firstLine && str.size() >= 2) {
822 // at first we check for a zipped file, because this
823 // information is saved in the first bytes of the file!
824 // also some graphic formats which save the information
825 // in the first line, too.
826 if (prefixIs(str, gzipStamp)) {
829 } else if (stamp == zipStamp) {
832 } else if (stamp == compressStamp) {
836 } else if (stamp == "BM") {
839 } else if (stamp == "\001\332") {
843 // Don't need to use str.at(0), str.at(1) because
844 // we already know that str.size() >= 2
845 } else if (str[0] == 'P') {
861 } else if ((stamp == "II") || (stamp == "MM")) {
864 } else if (prefixIs(str,"%TGIF")) {
867 } else if (prefixIs(str,"#FIG")) {
870 } else if (prefixIs(str,"GIF")) {
873 } else if (str.size() > 3) {
874 int const c = ((str[0] << 24) & (str[1] << 16) &
875 (str[2] << 8) & str[3]);
886 else if (contains(str,"EPSF"))
887 // dummy, if we have wrong file description like
888 // %!PS-Adobe-2.0EPSF"
891 else if (contains(str, "Grace"))
894 else if (contains(str, "JFIF"))
897 else if (contains(str, "%PDF"))
900 else if (contains(str, "PNG"))
903 else if (contains(str, "%!PS-Adobe")) {
906 if (contains(str,"EPSF"))
912 else if (contains(str, "_bits[]"))
915 else if (contains(str, "XPM") || contains(str, "static char *"))
918 else if (contains(str, "BITPIX"))
922 if (!format.empty()) {
923 LYXERR(Debug::GRAPHICS)
924 << "Recognised Fileformat: " << format << endl;
928 LYXERR(Debug::GRAPHICS)
929 << "filetools(getFormatFromContents)\n"
930 << "\tCouldn't find a known format!\n";
935 /// check for zipped file
936 bool zippedFile(FileName const & name)
938 string const type = getFormatFromContents(name);
939 if (contains("gzip zip compress", type) && !type.empty())
945 string const unzippedFileName(string const & zipped_file)
947 string const ext = getExtension(zipped_file);
948 if (ext == "gz" || ext == "z" || ext == "Z")
949 return changeExtension(zipped_file, string());
950 return "unzipped_" + zipped_file;
954 FileName const unzipFile(FileName const & zipped_file, string const & unzipped_file)
956 FileName const tempfile = FileName(unzipped_file.empty() ?
957 unzippedFileName(zipped_file.toFilesystemEncoding()) :
960 string const command = "gunzip -c " +
961 zipped_file.toFilesystemEncoding() + " > " +
962 tempfile.toFilesystemEncoding();
964 one.startscript(Systemcall::Wait, command);
965 // test that command was executed successfully (anon)
966 // yes, please do. (Lgb)
971 docstring const makeDisplayPath(string const & path, unsigned int threshold)
975 // If file is from LyXDir, display it as if it were relative.
976 string const system = package().system_support().absFilename();
977 if (prefixIs(str, system) && str != system)
978 return from_utf8("[" + str.erase(0, system.length()) + "]");
980 // replace /home/blah with ~/
981 string const home = package().home_dir().absFilename();
982 if (!home.empty() && prefixIs(str, home))
983 str = subst(str, home, "~");
985 if (str.length() <= threshold)
986 return from_utf8(os::external_path(str));
988 string const prefix = ".../";
991 while (str.length() > threshold)
992 str = split(str, temp, '/');
994 // Did we shorten everything away?
996 // Yes, filename itself is too long.
997 // Pick the start and the end of the filename.
998 str = onlyFilename(path);
999 string const head = str.substr(0, threshold / 2 - 3);
1001 string::size_type len = str.length();
1003 str.substr(len - threshold / 2 - 2, len - 1);
1004 str = head + "..." + tail;
1007 return from_utf8(os::external_path(prefix + str));
1011 bool readLink(FileName const & file, FileName & link)
1013 #ifdef HAVE_READLINK
1014 char linkbuffer[512];
1015 // Should be PATH_MAX but that needs autconf support
1016 string const encoded = file.toFilesystemEncoding();
1017 int const nRead = ::readlink(encoded.c_str(),
1018 linkbuffer, sizeof(linkbuffer) - 1);
1021 linkbuffer[nRead] = '\0'; // terminator
1022 link = makeAbsPath(linkbuffer, onlyPath(file.absFilename()));
1030 cmd_ret const runCommand(string const & cmd)
1032 // FIXME: replace all calls to RunCommand with ForkedCall
1033 // (if the output is not needed) or the code in ISpell.cpp
1034 // (if the output is needed).
1036 // One question is if we should use popen or
1037 // create our own popen based on fork, exec, pipe
1038 // of course the best would be to have a
1039 // pstream (process stream), with the
1040 // variants ipstream, opstream
1042 #if defined (HAVE_POPEN)
1043 FILE * inf = ::popen(cmd.c_str(), os::popen_read_mode());
1044 #elif defined (HAVE__POPEN)
1045 FILE * inf = ::_popen(cmd.c_str(), os::popen_read_mode());
1047 #error No popen() function.
1050 // (Claus Hentschel) Check if popen was succesful ;-)
1052 lyxerr << "RunCommand:: could not start child process" << endl;
1053 return make_pair(-1, string());
1059 ret += static_cast<char>(c);
1063 #if defined (HAVE_PCLOSE)
1064 int const pret = pclose(inf);
1065 #elif defined (HAVE__PCLOSE)
1066 int const pret = _pclose(inf);
1068 #error No pclose() function.
1072 perror("RunCommand:: could not terminate child process");
1074 return make_pair(pret, ret);
1078 FileName const findtexfile(string const & fil, string const & /*format*/)
1080 /* There is no problem to extend this function too use other
1081 methods to look for files. It could be setup to look
1082 in environment paths and also if wanted as a last resort
1083 to a recursive find. One of the easier extensions would
1084 perhaps be to use the LyX file lookup methods. But! I am
1085 going to implement this until I see some demand for it.
1089 // If the file can be found directly, we just return a
1090 // absolute path version of it.
1091 FileName const absfile(makeAbsPath(fil));
1092 if (absfile.exists())
1095 // No we try to find it using kpsewhich.
1096 // It seems from the kpsewhich manual page that it is safe to use
1097 // kpsewhich without --format: "When the --format option is not
1098 // given, the search path used when looking for a file is inferred
1099 // from the name given, by looking for a known extension. If no
1100 // known extension is found, the search path for TeX source files
1102 // However, we want to take advantage of the format sine almost all
1103 // the different formats has environment variables that can be used
1104 // to controll which paths to search. f.ex. bib looks in
1105 // BIBINPUTS and TEXBIB. Small list follows:
1106 // bib - BIBINPUTS, TEXBIB
1108 // graphic/figure - TEXPICTS, TEXINPUTS
1109 // ist - TEXINDEXSTYLE, INDEXSTYLE
1110 // pk - PROGRAMFONTS, PKFONTS, TEXPKS, GLYPHFONTS, TEXFONTS
1112 // tfm - TFMFONTS, TEXFONTS
1113 // This means that to use kpsewhich in the best possible way we
1114 // should help it by setting additional path in the approp. envir.var.
1115 string const kpsecmd = "kpsewhich " + fil;
1117 cmd_ret const c = runCommand(kpsecmd);
1119 LYXERR(Debug::LATEX) << "kpse status = " << c.first << '\n'
1120 << "kpse result = `" << rtrim(c.second, "\n\r")
1123 return FileName(os::internal_path(rtrim(to_utf8(from_filesystem8bit(c.second)),
1130 void removeAutosaveFile(string const & filename)
1132 string a = onlyPath(filename);
1134 a += onlyFilename(filename);
1136 FileName const autosave(a);
1137 if (autosave.exists())
1142 void readBB_lyxerrMessage(FileName const & file, bool & zipped,
1143 string const & message)
1145 LYXERR(Debug::GRAPHICS) << "[readBB_from_PSFile] "
1146 << message << std::endl;
1147 // FIXME: Why is this func deleting a file? (Lgb)
1153 string const readBB_from_PSFile(FileName const & file)
1155 // in a (e)ps-file it's an entry like %%BoundingBox:23 45 321 345
1156 // It seems that every command in the header has an own line,
1157 // getline() should work for all files.
1158 // On the other hand some plot programs write the bb at the
1159 // end of the file. Than we have in the header:
1160 // %%BoundingBox: (atend)
1161 // In this case we must check the end.
1162 bool zipped = zippedFile(file);
1163 FileName const file_ = zipped ? unzipFile(file) : file;
1164 string const format = getFormatFromContents(file_);
1166 if (format != "eps" && format != "ps") {
1167 readBB_lyxerrMessage(file_, zipped,"no(e)ps-format");
1171 static boost::regex bbox_re(
1172 "^%%BoundingBox:\\s*([[:digit:]]+)\\s+([[:digit:]]+)\\s+([[:digit:]]+)\\s+([[:digit:]]+)");
1173 std::ifstream is(file_.toFilesystemEncoding().c_str());
1178 if (regex_match(s, what, bbox_re)) {
1179 // Our callers expect the tokens in the string
1180 // separated by single spaces.
1181 // FIXME: change return type from string to something
1184 os << what.str(1) << ' ' << what.str(2) << ' '
1185 << what.str(3) << ' ' << what.str(4);
1186 string const bb = os.str();
1187 readBB_lyxerrMessage(file_, zipped, bb);
1191 readBB_lyxerrMessage(file_, zipped, "no bb found");
1196 int compare_timestamps(FileName const & file1, FileName const & file2)
1198 // If the original is newer than the copy, then copy the original
1199 // to the new directory.
1202 if (file1.exists() && file2.exists()) {
1203 double const tmp = difftime(file1.lastModified(), file2.lastModified());
1205 cmp = tmp > 0 ? 1 : -1;
1207 } else if (file1.exists()) {
1209 } else if (file2.exists()) {
1216 } //namespace support