]> git.lyx.org Git - lyx.git/blobdiff - src/support/filetools.cpp
Fix shortenng of file names in MakeDisplayPath: it is not a good idea to slice an...
[lyx.git] / src / support / filetools.cpp
index 65e49765e9ea05e70c89260eb9722edabe5f2661..5891e79fec62c6b89346ed3e611a265e8a7bc1ca 100644 (file)
@@ -21,6 +21,8 @@
 
 #include <config.h>
 
+#include "LyXRC.h"
+
 #include "support/filetools.h"
 
 #include "support/debug.h"
@@ -47,6 +49,7 @@
 #include <utility>
 #include <fstream>
 #include <sstream>
+#include <vector>
 
 #if defined (_WIN32)
 #include <io.h>
@@ -97,13 +100,13 @@ string const latex_path(string const & original_path,
                // We can't use '"' because " is sometimes active (e.g. if
                // babel is loaded with the "german" option)
                if (extension == EXCLUDE_EXTENSION) {
-                       // ChangeExtension calls os::internal_path internally
+                       // changeExtension calls os::internal_path internally
                        // so don't use it to remove the extension.
                        string const ext = getExtension(path);
                        string const base = ext.empty() ?
                                path :
                                path.substr(0, path.length() - ext.length() - 1);
-                       // ChangeExtension calls os::internal_path internally
+                       // changeExtension calls os::internal_path internally
                        // so don't use it to re-add the extension.
                        path = "\\string\"" + base + "\\string\"." + ext;
                } else {
@@ -111,7 +114,18 @@ string const latex_path(string const & original_path,
                }
        }
 
-       return dots == ESCAPE_DOTS ? subst(path, ".", "\\lyxdot ") : path;
+       if (dots != ESCAPE_DOTS)
+               return path;
+
+       // Replace dots with the lyxdot macro, but only in the file name,
+       // not the directory part.
+       // addName etc call os::internal_path internally
+       // so don't use them for path manipulation
+       // The directory separator is always '/' for LaTeX.
+       string::size_type pos = path.rfind('/');
+       if (pos == string::npos)
+               return subst(path, ".", "\\lyxdot ");
+       return path.substr(0, pos) + subst(path.substr(pos), ".", "\\lyxdot ");
 }
 
 
@@ -307,6 +321,21 @@ FileName const i18nLibFileSearch(string const & dir, string const & name,
 }
 
 
+FileName const imageLibFileSearch(string & dir, string const & name,
+                 string const & ext)
+{
+       if (!lyx::lyxrc.icon_set.empty()) {
+               string const imagedir = addPath(dir, lyx::lyxrc.icon_set);
+               FileName const fn = libFileSearch(imagedir, name, ext);
+               if (fn.exists()) {
+                       dir = imagedir;
+                       return fn;
+               }
+       }
+       return libFileSearch(dir, name, ext);
+}
+
+
 string const libScriptSearch(string const & command_in, quote_style style)
 {
        static string const token_scriptpath = "$$s/";
@@ -427,7 +456,7 @@ FileName const makeAbsPath(string const & relPath, string const & basePath)
        // Split by first /
        rTemp = split(rTemp, temp, '/');
        if (temp == "~") {
-               tempBase = package().home_dir().absFileName();
+               tempBase = Package::get_home_dir().absFileName();
                tempRel = rTemp;
        }
 
@@ -523,7 +552,7 @@ string const expandPath(string const & path)
                return FileName::getcwd().absFileName() + '/' + rTemp;
 
        if (temp == "~")
-               return package().home_dir().absFileName() + '/' + rTemp;
+               return Package::get_home_dir().absFileName() + '/' + rTemp;
 
        if (temp == "..")
                return makeAbsPath(copy).absFileName();
@@ -560,6 +589,62 @@ string const replaceEnvironmentPath(string const & path)
 }
 
 
+// Return a command prefix for setting the environment of the TeX engine.
+string latexEnvCmdPrefix(string const & path)
+{
+       if (path.empty() || lyxrc.texinputs_prefix.empty())
+               return string();
+
+       string const texinputs_prefix = os::latex_path_list(
+                       replaceCurdirPath(path, lyxrc.texinputs_prefix));
+       string const sep = string(1, os::path_separator(os::TEXENGINE));
+       string const texinputs = getEnv("TEXINPUTS");
+
+       if (os::shell() == os::UNIX)
+               return "env TEXINPUTS=\"." + sep + texinputs_prefix
+                                         + sep + texinputs + "\" ";
+       else
+               return "cmd /d /c set TEXINPUTS=." + sep + texinputs_prefix
+                                                  + sep + texinputs + "&";
+}
+
+
+// Replace current directory in all elements of a path list with a given path.
+string const replaceCurdirPath(string const & path, string const & pathlist)
+{
+       string const oldpathlist = replaceEnvironmentPath(pathlist);
+       char const sep = os::path_separator();
+       string newpathlist;
+
+       for (size_t i = 0, k = 0; i != string::npos; k = i) {
+               i = oldpathlist.find(sep, i);
+               string p = oldpathlist.substr(k, i - k);
+               if (FileName::isAbsolute(p)) {
+                       newpathlist += p;
+               } else if (i > k) {
+                       size_t offset = 0;
+                       if (p == ".") {
+                               offset = 1;
+                       } else if (prefixIs(p, "./")) {
+                               offset = 2;
+                               while (p[offset] == '/')
+                                       ++offset;
+                       }
+                       newpathlist += addPath(path, p.substr(offset));
+                       if (suffixIs(p, "//"))
+                               newpathlist += '/';
+               }
+               if (i != string::npos) {
+                       newpathlist += sep;
+                       // Stop here if the last element is empty 
+                       if (++i == oldpathlist.length())
+                               break;
+               }
+       }
+       return newpathlist;
+}
+
+
 // Make relative path out of two absolute paths
 docstring const makeRelPath(docstring const & abspath, docstring const & basepath)
 // Makes relative path out of absolute path. If it is deeper than basepath,
@@ -709,7 +794,7 @@ docstring const makeDisplayPath(string const & path, unsigned int threshold)
                return from_utf8("[" + str.erase(0, system.length()) + "]");
 
        // replace /home/blah with ~/
-       string const home = package().home_dir().absFileName();
+       string const home = Package::get_home_dir().absFileName();
        if (!home.empty() && prefixIs(str, home))
                str = subst(str, home, "~");
 
@@ -717,38 +802,57 @@ docstring const makeDisplayPath(string const & path, unsigned int threshold)
                return from_utf8(os::external_path(str));
 
        string const prefix = ".../";
-       string temp;
+       docstring dstr = from_utf8(str);
+       docstring temp;
 
-       while (str.length() > threshold)
-               str = split(str, temp, '/');
+       while (dstr.length() > threshold)
+               dstr = split(dstr, temp, '/');
 
        // Did we shorten everything away?
-       if (str.empty()) {
+       if (dstr.empty()) {
                // Yes, filename itself is too long.
                // Pick the start and the end of the filename.
-               str = onlyFileName(path);
-               string const head = str.substr(0, threshold / 2 - 3);
+               dstr = from_utf8(onlyFileName(path));
+               docstring const head = dstr.substr(0, threshold / 2 - 3);
 
-               string::size_type len = str.length();
-               string const tail =
-                       str.substr(len - threshold / 2 - 2, len - 1);
-               str = head + "..." + tail;
+               docstring::size_type len = dstr.length();
+               docstring const tail =
+                       dstr.substr(len - threshold / 2 - 2, len - 1);
+               dstr = head + from_ascii("...") + tail;
        }
 
-       return from_utf8(os::external_path(prefix + str));
+       return from_utf8(os::external_path(prefix + to_utf8(dstr)));
 }
 
 
 #ifdef HAVE_READLINK
 bool readLink(FileName const & file, FileName & link)
 {
-       char linkbuffer[PATH_MAX + 1];
        string const encoded = file.toFilesystemEncoding();
+#ifdef HAVE_DEF_PATH_MAX
+       char linkbuffer[PATH_MAX + 1];
        int const nRead = ::readlink(encoded.c_str(),
                                     linkbuffer, sizeof(linkbuffer) - 1);
        if (nRead <= 0)
                return false;
        linkbuffer[nRead] = '\0'; // terminator
+#else
+       vector<char> buf(1024);
+       int nRead = -1;
+
+       while (true) {
+               nRead = ::readlink(encoded.c_str(), &buf[0], buf.size() - 1);
+               if (nRead < 0) {
+                       return false;
+               }
+               if (nRead < buf.size() - 1) {
+                       break;
+               }
+               buf.resize(buf.size() * 2);
+       }
+       buf[nRead] = '\0'; // terminator
+       const char * linkbuffer = &buf[0];
+#endif
        link = makeAbsPath(linkbuffer, onlyPath(file.absFileName()));
        return true;
 }
@@ -779,6 +883,16 @@ cmd_ret const runCommand(string const & cmd)
        SECURITY_ATTRIBUTES security;
        HANDLE in, out;
        FILE * inf = 0;
+       bool err2out = false;
+       string command;
+       string const infile = trim(split(cmd, command, '<'), " \"");
+       command = rtrim(command);
+       if (suffixIs(command, "2>&1")) {
+               command = rtrim(command, "2>&1");
+               err2out = true;
+       }
+       string const cmdarg = "/d /c " + command;
+       string const comspec = getEnv("COMSPEC");
 
        security.nLength = sizeof(SECURITY_ATTRIBUTES);
        security.bInheritHandle = TRUE;
@@ -791,12 +905,18 @@ cmd_ret const runCommand(string const & cmd)
                startup.cb = sizeof(STARTUPINFO);
                startup.dwFlags = STARTF_USESTDHANDLES;
 
-               startup.hStdError = GetStdHandle(STD_ERROR_HANDLE);
-               startup.hStdInput = GetStdHandle(STD_INPUT_HANDLE);
+               startup.hStdError = err2out ? out : GetStdHandle(STD_ERROR_HANDLE);
+               startup.hStdInput = infile.empty()
+                       ? GetStdHandle(STD_INPUT_HANDLE)
+                       : CreateFile(infile.c_str(), GENERIC_READ,
+                               FILE_SHARE_READ, &security, OPEN_EXISTING,
+                               FILE_ATTRIBUTE_NORMAL, NULL);
                startup.hStdOutput = out;
 
-               if (CreateProcess(0, (LPTSTR)cmd.c_str(), &security, &security,
-                       TRUE, CREATE_NO_WINDOW, 0, 0, &startup, &process)) {
+               if (startup.hStdInput != INVALID_HANDLE_VALUE &&
+                       CreateProcess(comspec.c_str(), (LPTSTR)cmdarg.c_str(),
+                               &security, &security, TRUE, CREATE_NO_WINDOW,
+                               0, 0, &startup, &process)) {
 
                        CloseHandle(process.hThread);
                        fno = _open_osfhandle((long)in, _O_RDONLY);
@@ -827,6 +947,8 @@ cmd_ret const runCommand(string const & cmd)
 
 #if defined (_WIN32)
        WaitForSingleObject(process.hProcess, INFINITE);
+       if (!infile.empty())
+               CloseHandle(startup.hStdInput);
        CloseHandle(process.hProcess);
        int const pret = fclose(inf);
 #elif defined (HAVE_PCLOSE)