- FileName const layout_file(fullName);
- if (layout_file.exists()) {
- LYXERR(Debug::TCLASS, "Adding class " << textclass << " from directory " << path);
- // Read .layout file and get description, real latex classname etc
- //
- // This is a C++ version of function processLayoutFile in configure.py,
- // which uses the following regex
- // \Declare(LaTeX|DocBook)Class\s*(\[([^,]*)(,.*)*\])*\s*{(.*)}
- ifstream ifs(layout_file.toFilesystemEncoding().c_str());
- static regex const reg("^#\\s*\\\\Declare(LaTeX|DocBook)Class\\s*"
- "(?:\\[([^,]*)(?:,.*)*\\])*\\s*\\{(.*)\\}\\s*");
- string line;
- while (getline(ifs, line)) {
- // look for the \DeclareXXXClass line
- smatch sub;
- if (regex_match(line, sub, reg)) {
- // returns: whole string, classtype (not used here), class name, description
- LASSERT(sub.size() == 4, /**/);
- // now, create a TextClass with description containing path information
- string className(sub.str(2) == "" ? textclass : sub.str(2));
- LayoutFile * tmpl =
- new LayoutFile(textclass, className, textclass, true);
- // This textclass is added on request so it will definitely be
- // used. Load it now because other load() calls may fail if they
- // are called in a context without buffer path information.
- tmpl->load(path);
- // There will be only one textclass with this name, even if different
- // layout files are loaded from different directories.
- if (haveClass(textclass)) {
- LYXERR0("Existing textclass " << textclass << " is redefined by " << fullName);
- delete classmap_[textclass];
- }
- classmap_[textclass] = tmpl;
- return textclass;
- }
- }
+ FileName layout_file(fullName);
+ bool moved = false;
+
+ if (!layout_file.exists()) {
+ if (oldpath.empty())
+ return string();
+ // The document has been moved to a different directory.
+ // However, oldpath always points to the right spot, unless
+ // the user also moved the layout file.
+ fullName = addName(oldpath, textclass + ".layout");
+ layout_file.set(fullName);
+ layout_file.refresh();
+ if (!layout_file.exists())
+ return string();
+ moved = true;