Fix bug #4213: Change tracking support for tex2lyx.

[lyx.git] / src / tex2lyx / text.cpp

diff --git a/src/tex2lyx/text.cpp b/src/tex2lyx/text.cpp
index 2b2797c381dce7835a4471fa6f20725dd7d64d20..6d41e1be715b029271a3bd76601ca2205764d85b 100644 (file)
--- a/src/tex2lyx/text.cpp
+++ b/src/tex2lyx/text.cpp
@@ -19,6 +19,7 @@
 #include "Context.h"
 #include "Encoding.h"
 #include "FloatList.h"
+#include "LaTeXPackages.h"
 #include "Layout.h"
 #include "Length.h"
 #include "Preamble.h"
@@ -28,6 +29,7 @@
 #include "support/FileName.h"
 #include "support/filetools.h"
 #include "support/lstrings.h"
+#include "support/lyxtime.h"
 
 #include <algorithm>
 #include <iostream>
@@ -2703,6 +2705,50 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                                preamble.registerAutomaticallyLoadedPackage("ulem");
                }
 
+               else if (t.cs() == "lyxadded" || t.cs() == "lyxdeleted") {
+                       context.check_layout(os);
+                       string name = p.getArg('{', '}');
+                       string localtime = p.getArg('{', '}');
+                       preamble.registerAuthor(name);
+                       Author const & author = preamble.getAuthor(name);
+                       // from_ctime() will fail if LyX decides to output the
+                       // time in the text language. It might also use a wrong
+                       // time zone (if the original LyX document was exported
+                       // with a different time zone).
+                       time_t ptime = from_ctime(localtime);
+                       if (ptime == static_cast<time_t>(-1)) {
+                               cerr << "Warning: Could not parse time `" << localtime
+                                    << "´ for change tracking, using current time instead.\n";
+                               ptime = current_time();
+                       }
+                       if (t.cs() == "lyxadded")
+                               os << "\n\\change_inserted ";
+                       else
+                               os << "\n\\change_deleted ";
+                       os << author.bufferId() << ' ' << ptime << '\n';
+                       parse_text_snippet(p, os, FLAG_ITEM, outer, context);
+                       bool dvipost    = LaTeXPackages::isAvailable("dvipost");
+                       bool xcolorulem = LaTeXPackages::isAvailable("ulem") &&
+                                         LaTeXPackages::isAvailable("xcolor");
+                       // No need to test for luatex, since luatex comes in
+                       // two flavours (dvi and pdf), like latex, and those
+                       // are detected by pdflatex.
+                       if (pdflatex || xetex) {
+                               if (xcolorulem) {
+                                       preamble.registerAutomaticallyLoadedPackage("ulem");
+                                       preamble.registerAutomaticallyLoadedPackage("xcolor");
+                                       preamble.registerAutomaticallyLoadedPackage("pdfcolmk");
+                               }
+                       } else {
+                               if (dvipost) {
+                                       preamble.registerAutomaticallyLoadedPackage("dvipost");
+                               } else if (xcolorulem) {
+                                       preamble.registerAutomaticallyLoadedPackage("ulem");
+                                       preamble.registerAutomaticallyLoadedPackage("xcolor");
+                               }
+                       }
+               }
+
                else if (t.cs() == "phantom" || t.cs() == "hphantom" ||
                             t.cs() == "vphantom") {
                        context.check_layout(os);