X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fconverter.C;h=8ab0ff809ba948e222a7ed4b68804d84e3ee9e35;hb=b2f4586c984226bcc945d93891f3d0736d6ffb43;hp=c964d685c92ae88ef8f8f31b1c683bfe25070d8f;hpb=567e0d583fe716c2b3889f868e4902a6dfdab13a;p=lyx.git

diff --git a/src/converter.C b/src/converter.C
index c964d685c9..8ab0ff809b 100644
--- a/src/converter.C
+++ b/src/converter.C
@@ -4,7 +4,7 @@
  *           LyX, The Document Processor
  *        
  *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2000 The LyX Team.
+ *           Copyright 1995-2001 The LyX Team.
  *
  * ====================================================== */
 
@@ -14,125 +14,193 @@
 #pragma implementation
 #endif
 
-#include <queue>
-#include <algorithm> // sort()
+#include <cctype>
 
 #include "converter.h"
 #include "lyxrc.h"
-#include "support/syscall.h"
-#include "support/path.h"
 #include "buffer.h"
 #include "bufferview_funcs.h"
 #include "LaTeX.h"
 #include "LyXView.h"
-#include "minibuffer.h"
-#include "lyx_gui_misc.h"
 #include "lyx_cb.h" // ShowMessage()
+#include "gettext.h"
+#include "BufferView.h"
+#include "debug.h"
+
+#include "frontends/Alert.h"
+
+#include "support/filetools.h"
+#include "support/lyxfunctional.h"
+#include "support/path.h"
+#include "support/systemcall.h"
 
-using std::map;
 using std::vector;
 using std::queue;
-using std::pair;
-using std::sort;
 using std::endl;
+using std::fill;
+using std::find_if;
+using std::reverse;
+using std::sort;
 
-//////////////////////////////////////////////////////////////////////////////
+namespace {
 
-map<string, Format> Formats::formats;
-vector<Command> Converter::commands;
-string Converter::latex_command;
+string const token_from("$$i");
+string const token_base("$$b");
+string const token_to("$$o");
+
+//////////////////////////////////////////////////////////////////////////////
 
 inline
 string const add_options(string const & command, string const & options)
 {
 	string head;
-	string tail = split(command, head, ' ');
+	string const tail = split(command, head, ' ');
 	return head + ' ' + options + ' ' + tail;
 }
 
+} // namespace anon
+
 //////////////////////////////////////////////////////////////////////////////
 
-Format::Format(string const & n)
-	: name(n), in_degree(0)
-{
-	struct Item {
-		char const * name;
-		char const * prettyname;
-	};
-	Item items[] = {
-		{ "tex", "LaTeX" },
-		{ "dvi", "DVI" },
-		{ "ps", "PostScript" },
-		{ "txt", "Ascii" },
-		{ "html", "HTML" },
-		{ "pdf", "PDF" },
-		{ 0, 0}
-	};
-
-	prettyname = n;
-	for (int i = 0; items[i].name != 0; ++i)
-		if (items[i].name == n) {
-			prettyname = items[i].prettyname;
-			break;
-		}
+bool Format::dummy() const
+{
+	return extension().empty();
 }
 
 
-void Formats::Add(string const & name)
+bool Format::isChildFormat() const
 {
-	if (formats.find(name) == formats.end())
-		formats[name] = Format(name);
+	if (name_.empty())
+		return false;
+        return isdigit(name_[name_.length() - 1]);
 }
 
 
-void Formats::SetViewer(string const & name, string const & command)
+string const Format::parentFormat() const
 {
+	return name_.substr(0, name_.length() - 1);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+// This method should return a reference, and throw an exception
+// if the format named name cannot be found (Lgb)
+Format const * Formats::getFormat(string const & name) const
+{
+	FormatList::const_iterator cit =
+		find_if(formatlist.begin(), formatlist.end(),
+			lyx::compare_memfun(&Format::name, name));
+	if (cit != formatlist.end())
+		return &(*cit);
+	else
+		return 0;
+}
 
-	string command2 = subst(command, "$$FName", "'$$FName'");
-	if (!contains(command,"$$FName"))
-		command2 += " '$$FName'";
 
-	Add(name);
-	GetFormat(name)->viewer = command2;
+int Formats::getNumber(string const & name) const
+{
+	FormatList::const_iterator cit =
+		find_if(formatlist.begin(), formatlist.end(),
+			lyx::compare_memfun(&Format::name, name));
+	if (cit != formatlist.end())
+		return cit - formatlist.begin();
+	else
+		return -1;
 }
 
 
-bool Formats::View(Buffer * buffer, string const & filename)
+void Formats::add(string const & name)
+{
+	if (!getFormat(name))
+		add(name, name, name, string());
+}
+
+
+void Formats::add(string const & name, string const & extension, 
+		  string const & prettyname, string const & shortcut)
+{
+	FormatList::iterator it = 
+		find_if(formatlist.begin(), formatlist.end(),
+			lyx::compare_memfun(&Format::name, name));
+	if (it == formatlist.end())
+		formatlist.push_back(Format(name, extension, prettyname,
+					    shortcut, ""));
+	else {
+		string viewer = it->viewer();
+		*it = Format(name, extension, prettyname, shortcut, viewer);
+	}
+}
+
+
+void Formats::erase(string const & name)
+{
+	FormatList::iterator it = 
+		find_if(formatlist.begin(), formatlist.end(),
+			lyx::compare_memfun(&Format::name, name));
+	if (it != formatlist.end())
+		formatlist.erase(it);
+}
+
+
+void Formats::sort()
+{
+	std::sort(formatlist.begin(), formatlist.end());
+}
+
+
+void Formats::setViewer(string const & name, string const & command)
+{
+	add(name);
+	FormatList::iterator it =
+		find_if(formatlist.begin(), formatlist.end(),
+			lyx::compare_memfun(&Format::name, name));
+	if (it != formatlist.end())
+		it->setViewer(command);
+}
+
+
+bool Formats::view(Buffer const * buffer, string const & filename,
+		   string const & format_name) const
 {
 	if (filename.empty())
 		return false;
 
-	string extension = GetExtension(filename);
-	Format * format = GetFormat(extension);
-	if (!format || format->viewer.empty()) {
-		WriteAlert(_("Can not view file"),
+	Format const * format = getFormat(format_name);
+	if (format && format->viewer().empty() &&
+	    format->isChildFormat())
+		format = getFormat(format->parentFormat());
+	if (!format || format->viewer().empty()) {
+		Alert::alert(_("Cannot view file"),
 			   _("No information for viewing ")
-			   + Formats::PrettyName(extension));
+			   + prettyName(format_name));
 			   return false;
 	}
 
-	string command = format->viewer;
+	string command = format->viewer();
 
-	if (extension == "dvi" &&
+	if (format_name == "dvi" &&
 	    !lyxrc.view_dvi_paper_option.empty()) {
-		string options = lyxrc.view_dvi_paper_option;
-		options += " " + Converter::dvi_papersize(buffer);
+		command += " " + lyxrc.view_dvi_paper_option;
+		string paper_size = converters.papersize(buffer);
+		if (paper_size == "letter")
+			paper_size = "us";
+		command += " " + paper_size;
 		if (buffer->params.orientation 
 		    == BufferParams::ORIENTATION_LANDSCAPE)
-			options += 'r';
-		command = add_options(command, options);
+			command += 'r';
         }
 
-	string command2 = subst(command, "$$FName", OnlyFilename(filename));
-	lyxerr << "Executing command: " << command2 << endl;
-	ShowMessage(buffer, _("Executing command:"), command2);
+	command += " " + QuoteName(OnlyFilename((filename)));
 
-	command = subst(command, "$$FName", filename);
-	Systemcalls one;
-	int res = one.startscript(Systemcalls::SystemDontWait, command);
+	lyxerr[Debug::FILES] << "Executing command: " << command << endl;
+	ShowMessage(buffer, _("Executing command:"), command);
+
+	Path p(OnlyPath(filename));
+	Systemcall one;
+	int const res = one.startscript(Systemcall::DontWait, command);
 
 	if (res) {
-		WriteAlert(_("Can not view file"),
+		Alert::alert(_("Cannot view file"),
 			   _("Error while executing"),
 			   command.substr(0, 50));
 		return false;
@@ -141,191 +209,378 @@ bool Formats::View(Buffer * buffer, string const & filename)
 }
 
 
-Format * Formats::GetFormat(string const & name)
+string const Formats::prettyName(string const & name) const
 {
-	map<string, Format>::iterator it = formats.find(name);
-	if (it != formats.end())
-		return &(*it).second;
+	Format const * format = getFormat(name);
+	if (format)
+		return format->prettyname();
 	else
-		return 0;
+		return name;
 }
 
 
-string const Formats::PrettyName(string const & name)
+string const Formats::extension(string const & name) const
 {
-	string format;
-	Converter::SplitFormat(name, format);
-	Format * f = GetFormat(format);
-	if (f)
-		return f->prettyname;
+	Format const * format = getFormat(name);
+	if (format)
+		return format->extension();
 	else
-		return format;
+		return name;
 }
 
-
 //////////////////////////////////////////////////////////////////////////////
 
-void Converter::Add(string const & from, string const & to,
-		    string const & command, string const & flags)
+void Converter::readFlags()
 {
-	if (command == "none")
-		return;
-
-	string command2 = 
-		   subst(command, "$$FName", "'$$FName'");
-	command2 = subst(command2, "$$BaseName", "'$$BaseName'");
-	command2 = subst(command2, "$$OutName", "'$$OutName'");
-	Command Com(from, to, command2);
-
-	if (from == "tex" &&
-	    (to == "dvi" ||
-	     (to == "pdf" && latex_command.empty())))
-		latex_command = command2;
-
-	// Read the flags
-	string flag_name,flag_value;
 	string flag_list(flags);
 	while (!flag_list.empty()) {
-		flag_list = split(flag_list, flag_value,',');
+		string flag_name, flag_value;
+		flag_list = split(flag_list, flag_value, ',');
 		flag_value = split(flag_value, flag_name, '=');
-		if (flag_name == "originaldir")
-			Com.original_dir = true;
+		if (flag_name == "latex")
+			latex = true;
+		else if (flag_name == "originaldir")
+			original_dir = true;
 		else if (flag_name == "needaux")
-			Com.need_aux = true;
+			need_aux = true;
 		else if (flag_name == "resultdir")
-			Com.result_dir = (flag_value.empty())
-				? "$$BaseName" : flag_value;
+			result_dir = (flag_value.empty())
+				? token_base : flag_value;
 		else if (flag_name == "resultfile")
-			Com.result_file = flag_value;
+			result_file = flag_value;
+		else if (flag_name == "parselog")
+			parselog = flag_value;
 	}
-	if (!Com.result_dir.empty() && Com.result_file.empty())
-		Com.result_file = "index." + to;
-
-	for (vector<Command>::iterator it = commands.begin();
-	     it != commands.end(); ++it)
-		if ((*it).from == from && (*it).to == to) {
-			*it = Com;
-			return;
-		}
-	commands.push_back(Com);
-	Formats::Add(from);
-	Formats::Add(to);
-	++Formats::GetFormat(to)->in_degree;
+	if (!result_dir.empty() && result_file.empty())
+		result_file = "index." + formats.extension(to);
+	//if (!contains(command, token_from))
+	//	latex = true;
 }
 
 
-vector< pair<string,string> > const
-Converter::GetReachable(string const & from, bool only_viewable)
+bool operator<(Converter const & a, Converter const & b)
 {
-	vector< pair<string,string> > result;
-	Format * format = Formats::GetFormat(from);
-	if (!format)
-		return result;
+	int const i = compare_no_case(a.From->prettyname(),
+				      b.From->prettyname());
+	if (i == 0)
+		return compare_no_case(a.To->prettyname(), b.To->prettyname())
+			< 0;
+	else
+		return i < 0;
+}
+
+//////////////////////////////////////////////////////////////////////////////
 
-	int sort_start = 0;
-	if (!only_viewable || !format->viewer.empty()) {
-		result.push_back(pair<string,string>(from, format->prettyname));
-		sort_start = 1;
+class compare_Converter {
+public:
+	compare_Converter(string const & f, string const & t)
+		: from(f), to(t) {}
+	bool operator()(Converter const & c) {
+		return c.from == from && c.to == to;
 	}
+private:
+	string const & from;
+	string const & to;
+};
 
-	queue< vector<Command>::iterator > Q;
-	for (vector<Command>::iterator it = commands.begin();
-	     it != commands.end(); ++it)
-		if ((*it).from == from) {
-			Q.push(it);
-			(*it).visited = true;
-		} else
-			(*it).visited = false;
-
-	while (!Q.empty()) {
-		vector<Command>::iterator it = Q.front();
-		format = Formats::GetFormat((*it).to);
-		string name = format->name;
-		string prettyname = format->prettyname;
-		if (format->in_degree > 1) {
-			name += ":" + (*it).from;
-			string tmp;
-			split((*it).command, tmp, ' ');
-			prettyname  += _(" (using ") + tmp + ")";	
+
+Converter const * Converters::getConverter(string const & from,
+					    string const & to)
+{
+	ConverterList::const_iterator cit =
+		find_if(converterlist_.begin(), converterlist_.end(),
+			compare_Converter(from, to));
+	if (cit != converterlist_.end())
+		return &(*cit);
+	else
+		return 0;
+}
+
+
+int Converters::getNumber(string const & from, string const & to)
+{
+	ConverterList::const_iterator cit =
+		find_if(converterlist_.begin(), converterlist_.end(),
+			compare_Converter(from, to));
+	if (cit != converterlist_.end())
+		return cit - converterlist_.begin();
+	else
+		return -1;
+}
+
+
+void Converters::add(string const & from, string const & to,
+		     string const & command, string const & flags)
+{
+	formats.add(from);
+	formats.add(to);
+	ConverterList::iterator it = find_if(converterlist_.begin(),
+					     converterlist_.end(),
+					     compare_Converter(from, to));
+
+	Converter converter(from, to, command, flags);
+	if (it != converterlist_.end() && !flags.empty() && flags[0] == '*') {
+		converter = *it;
+		converter.command = command;
+		converter.flags = flags;
+	}
+	converter.readFlags();
+	
+	if (converter.latex && (latex_command_.empty() || to == "dvi"))
+		latex_command_ = subst(command, token_from, "");
+	// If we have both latex & pdflatex, we set latex_command to latex.
+	// The latex_command is used to update the .aux file when running
+	// a converter that uses it.
+
+	if (it == converterlist_.end()) {
+		converterlist_.push_back(converter);
+	} else {
+		converter.From = it->From;
+		converter.To = it->To;
+		*it = converter;
+	}
+}
+
+
+void Converters::erase(string const & from, string const & to)
+{
+	ConverterList::iterator it = find_if(converterlist_.begin(),
+					     converterlist_.end(),
+					     compare_Converter(from, to));
+	if (it != converterlist_.end())
+		converterlist_.erase(it);
+}
+
+
+// This method updates the pointers From and To in all the converters.
+// The code is not very efficient, but it doesn't matter as the number
+// of formats and converters is small.
+// Furthermore, this method is called only on startup, or after 
+// adding/deleting a format in FormPreferences (the latter calls can be
+// eliminated if the formats in the Formats class are stored using a map or
+// a list (instead of a vector), but this will cause other problems). 
+void Converters::update(Formats const & formats)
+{
+	ConverterList::iterator it = converterlist_.begin();
+	ConverterList::iterator end = converterlist_.end();
+	for (; it != end; ++it) {
+		it->From = formats.getFormat(it->from);
+		it->To = formats.getFormat(it->to);
+	}
+}
+
+
+// This method updates the pointers From and To in the last converter.
+// It is called when adding a new converter in FormPreferences
+void Converters::updateLast(Formats const & formats)
+{
+	if (converterlist_.begin() != converterlist_.end()) {
+		ConverterList::iterator it = converterlist_.end() - 1;
+		it->From = formats.getFormat(it->from);
+		it->To = formats.getFormat(it->to);
+	}
+}
+
+
+void Converters::sort()
+{
+	std::sort(converterlist_.begin(), converterlist_.end());
+}
+
+
+int Converters::bfs_init(string const & start, bool clear_visited)
+{
+	int const s = formats.getNumber(start);
+	if (s < 0)
+		return s;
+
+	Q_ = queue<int>();
+	if (clear_visited)
+		fill(visited_.begin(), visited_.end(), false);
+	if (visited_[s] == false) {
+		Q_.push(s);
+		visited_[s] = true;
+	}
+	return s;
+}
+
+
+vector<Format const *> const
+Converters::getReachableTo(string const & target, bool clear_visited)
+{
+	vector<Format const *> result;
+	int const s = bfs_init(target, clear_visited);
+	if (s < 0)
+		return result;
+
+	while (!Q_.empty()) {
+		int const i = Q_.front();
+		Q_.pop();
+		if (i != s || target != "lyx") {
+			result.push_back(&formats.get(i));
 		}
-		if (!only_viewable || !format->viewer.empty())
-			result.push_back(pair<string,string>(name, prettyname));
-		Q.pop();
-		for (vector<Command>::iterator it2 = commands.begin();
-		     it2 != commands.end(); ++it2)
-			if (!(*it2).visited && (*it).to == (*it2).from) {
-				Q.push(it2);
-				(*it2).visited = true;
+		
+		vector<int>::iterator it = vertices_[i].in_vertices.begin();
+		vector<int>::iterator end = vertices_[i].in_vertices.end();
+		for (; it != end; ++it) {
+			if (!visited_[*it]) {
+				visited_[*it] = true;
+				Q_.push(*it);
 			}
+		}
 	}
 
-	sort(result.begin() + sort_start, result.end());
 	return result;
 }
 
 
-bool Converter::Convert(Buffer * buffer, string const & from_file,
-			string const & to_file, string const & using_format,
-			string * view_file)
+vector<Format const *> const
+Converters::getReachable(string const & from, bool only_viewable,
+			 bool clear_visited)
 {
-	if (view_file)
-		*view_file = to_file;
+	vector<Format const *> result;
 
-	string from_format = GetExtension(from_file);
-	string to_format = GetExtension(to_file);
-	if (from_format == to_format)
-		if (from_file != to_file)
-			return lyx::rename(from_file.c_str(), to_file.c_str());
-		else
-			return true;
+	if (bfs_init(from, clear_visited) < 0)
+		return result;
+
+	while (!Q_.empty()) {
+		int const i = Q_.front();
+		Q_.pop();
+		Format const & format = formats.get(i);
+		if (format.name() == "lyx")
+			continue;
+		if (!only_viewable || !format.viewer().empty() ||
+		    format.isChildFormat())
+			result.push_back(&format);
+
+		vector<int>::const_iterator cit =
+			vertices_[i].out_vertices.begin();
+		vector<int>::const_iterator end =
+			vertices_[i].out_vertices.end();
+		for (; cit != end; ++cit)
+			if (!visited_[*cit]) {
+				visited_[*cit] = true;
+				Q_.push(*cit);
+			}
+	}
+
+	return result;
+}
 
-	queue< vector<Command>::iterator > Q;
-	for (vector<Command>::iterator it = commands.begin();
-	     it != commands.end(); ++it)
-		if ((*it).from == from_format) {
-			Q.push(it);
-			(*it).visited = true;
-			(*it).previous = commands.end();
-		} else
-			(*it).visited = false;
-
-	if (Q.empty()) {
-		WriteAlert(_("Can not convert file"),
-			   ("Unknown format ") + from_format);
+
+bool Converters::isReachable(string const & from, string const & to)
+{
+	if (from == to)
+		return true;
+
+	int const s = bfs_init(from);
+	int const t = formats.getNumber(to);
+	if (s < 0 || t < 0)
 		return false;
+
+	while (!Q_.empty()) {
+		int const i = Q_.front();
+		Q_.pop();
+		if (i == t)
+			return true;
+
+		vector<int>::const_iterator cit =
+			vertices_[i].out_vertices.begin();
+		vector<int>::const_iterator end =
+			vertices_[i].out_vertices.end();
+		for (; cit != end; ++cit) {
+			if (!visited_[*cit]) {
+				visited_[*cit] = true;
+				Q_.push(*cit);
+			}
+		}
 	}
 
+	return false;
+}
+
+
+Converters::EdgePath const
+Converters::getPath(string const & from, string const & to)
+{
+	EdgePath path;
+	if (from == to)
+		return path;
+
+	int const s = bfs_init(from);
+	int t = formats.getNumber(to);
+	if (s < 0 || t < 0)
+		return path;
+
+	vector<int> prev_edge(formats.size());
+	vector<int> prev_vertex(formats.size());
+
 	bool found = false;
-	vector<Command>::iterator it;
-	while (!Q.empty()) {
-		it = Q.front();
-		if ((*it).to == to_format &&
-		    (using_format.empty() || using_format == (*it).from)) {
+	while (!Q_.empty()) {
+		int const i = Q_.front();
+		Q_.pop();
+		if (i == t) {
 			found = true;
 			break;
 		}
-		Q.pop();
-		for (vector<Command>::iterator it2 = commands.begin();
-		     it2 != commands.end(); ++it2)
-			if (!(*it2).visited && (*it).to == (*it2).from) {
-				Q.push(it2);
-				(*it2).visited = true;
-				(*it2).previous = it;
+		
+		vector<int>::const_iterator beg =
+			vertices_[i].out_vertices.begin();
+		vector<int>::const_iterator cit = beg;
+		vector<int>::const_iterator end =
+			vertices_[i].out_vertices.end();
+		for (; cit != end; ++cit)
+			if (!visited_[*cit]) {
+				int const j = *cit;
+				visited_[j] = true;
+				Q_.push(j);
+				int const k = cit - beg;
+				prev_edge[j] = vertices_[i].out_edges[k];
+				prev_vertex[j] = i;
 			}
 	}
+	if (!found)
+		return path;
 
-	if (!found) {
-		WriteAlert(_("Can not convert file"),
-			   _("No information for converting from ")
-			   + Formats::PrettyName(from_format) + _(" to ")
-			   + Formats::PrettyName(to_format));
-		return false;
+	while (t != s) {
+		path.push_back(prev_edge[t]);
+		t = prev_vertex[t];
+	}
+	reverse(path.begin(), path.end());
+	return path;
+}
+
+
+bool Converters::usePdflatex(EdgePath const & path)
+{
+	for (EdgePath::const_iterator cit = path.begin();
+	     cit != path.end(); ++cit) {
+		Converter const & conv = converterlist_[*cit];
+		if (conv.latex)
+			return contains(conv.to, "pdf");
 	}
+	return false;
+}
+
+
+bool Converters::convert(Buffer const * buffer,
+			 string const & from_file, string const & to_file_base,
+			 string const & from_format, string const & to_format,
+			 string & to_file)
+{
+	to_file = ChangeExtension(to_file_base,
+				  formats.extension(to_format));
+
+	if (from_format == to_format)
+		return move(from_file, to_file, false);
 
-	vector< vector<Command>::iterator > S;
-	while (it != commands.end()) {
-		S.push_back(it);
-		it = (*it).previous;
+	EdgePath edgepath = getPath(from_format, to_format);
+	if (edgepath.empty()) {
+		Alert::alert(_("Cannot convert file"),
+			   _("No information for converting from ")
+			   + formats.prettyName(from_format) + _(" to ")
+			   + formats.prettyName(to_format));
+		return false;
 	}
 
 	string path = OnlyPath(from_file);
@@ -336,139 +591,290 @@ bool Converter::Convert(Buffer * buffer, string const & from_file,
 	string to_base = ChangeExtension(to_file, "");
 	string infile;
 	string outfile = from_file;
-	for (vector< vector<Command>::iterator >::reverse_iterator rit =
-		     S.rbegin(); rit != S.rend(); ++rit) {
-		it = *rit;
-		lyxerr << "Converting from  "
-		       << (*it).from << " to " << (*it).to << endl;
+	for (EdgePath::const_iterator cit = edgepath.begin();
+	     cit != edgepath.end(); ++cit) {
+		Converter const & conv = converterlist_[*cit];
+		bool dummy = conv.To->dummy() && conv.to != "program";
+		if (!dummy)
+			lyxerr[Debug::FILES] << "Converting from  "
+			       << conv.from << " to " << conv.to << endl;
 		infile = outfile;
-		outfile = (*it).result_dir.empty()
-			? ChangeExtension(from_file, (*it).to)
-			: AddName(subst((*it).result_dir,
-					"$$BaseName", from_base),
-				  subst((*it).result_file,
-					"$$BaseName", OnlyFilename(from_base)));
-
-		if ((*it).from == "tex" &&
-		    ( (*it).to == "dvi" || (*it).to == "pdf") ) {
-			lyxrc.pdf_mode = (*it).to == "pdf";
-			lyxerr << "Running " << (*it).command << endl;
+		outfile = conv.result_dir.empty()
+			? ChangeExtension(from_file, conv.To->extension())
+			: AddName(subst(conv.result_dir,
+					token_base, from_base),
+				  subst(conv.result_file,
+					token_base, OnlyFilename(from_base)));
+
+		if (conv.latex) {
 			run_latex = true;
-			if (!runLaTeX(buffer, (*it).command))
+			string command = subst(conv.command, token_from, "");
+			lyxerr[Debug::FILES] << "Running " << command << endl;
+			if (!runLaTeX(buffer, command))
 				return false;
 		} else {
-			if ((*it).need_aux && !run_latex
-			    && !latex_command.empty()) {
-				lyxerr << "Running " << latex_command 
-				       << " to update aux file"<<  endl;
-				runLaTeX(buffer, latex_command);
+			if (conv.need_aux && !run_latex
+			    && !latex_command_.empty()) {
+				lyxerr[Debug::FILES] 
+					<< "Running " << latex_command_ 
+					<< " to update aux file"<<  endl;
+				runLaTeX(buffer, latex_command_);
 			}
 
-			string infile2 = ((*it).original_dir)
+			string infile2 = (conv.original_dir)
 				? infile : MakeRelPath(infile, path);
-			string outfile2 = ((*it).original_dir)
+			string outfile2 = (conv.original_dir)
 				? outfile : MakeRelPath(outfile, path);
 
-			string command = (*it).command;
-			command = subst(command, "$$FName", infile2);
-			command = subst(command, "$$BaseName", from_base);
-			command = subst(command, "$$OutName", outfile2);
+			string command = conv.command;
+			command = subst(command, token_from, QuoteName(infile2));
+			command = subst(command, token_base, QuoteName(from_base));
+			command = subst(command, token_to, QuoteName(outfile2));
 
-			if ((*it).from == "dvi" && (*it).to == "ps")
+			if (!conv.parselog.empty())
+				command += " 2> " + QuoteName(infile2 + ".out");
+
+			if (conv.from == "dvi" && conv.to == "ps")
 				command = add_options(command,
 						      dvips_options(buffer));
+			else if (conv.from == "dvi" && prefixIs(conv.to, "pdf"))
+				command = add_options(command,
+						      dvipdfm_options(buffer));
 
-			lyxerr << "Calling " << command << endl;
-			ShowMessage(buffer, _("Executing command:"), command);
-			
-			Systemcalls one;
+			lyxerr[Debug::FILES] << "Calling " << command << endl;
+			if (buffer)
+				ShowMessage(buffer, _("Executing command:"), command);
+
+			Systemcall::Starttype type = (dummy)
+				? Systemcall::DontWait : Systemcall::Wait;
+			Systemcall one;
 			int res;
-			if ((*it).original_dir) {
-				Path p(buffer->filepath);
-				res = one.startscript(Systemcalls::System, command);
+			if (conv.original_dir && buffer) {
+				Path p(buffer->filePath());
+				res = one.startscript(type, command);
 			} else
-				res = one.startscript(Systemcalls::System, command);
+				res = one.startscript(type, command);
+
+			if (!conv.parselog.empty()) {
+				string const logfile =  infile2 + ".log";
+				string const command2 = conv.parselog +
+					" < " + QuoteName(infile2 + ".out") +
+					" > " + QuoteName(logfile);
+				one.startscript(Systemcall::Wait, command2);
+				if (!scanLog(buffer, command, logfile))
+					return false;
+			}
+
 			if (res) {
-				WriteAlert(_("Can not convert file"),
-					   "Error while executing",
-					   command.substr(0, 50));
+				if (conv.to == "program")
+					Alert::alert(_("There were errors during the Build process."),
+						   _("You should try to fix them."));
+				else
+					Alert::alert(_("Cannot convert file"),
+						   "Error while executing",
+						   command.substr(0, 50));
 				return false;
 			}
 		}
 	}
 
-	if (!(*it).result_dir.empty()) {
-		if (view_file)
-			*view_file = AddName(subst((*it).result_dir,
-						   "$$BaseName", to_base),
-					     subst((*it).result_file,
-						   "$$BaseName", OnlyFilename(to_base)));
+	Converter const & conv = converterlist_[edgepath.back()];
+	if (conv.To->dummy())
+		return true;
+
+
+	if (!conv.result_dir.empty()) {
+		to_file = AddName(subst(conv.result_dir, token_base, to_base),
+				  subst(conv.result_file,
+					token_base, OnlyFilename(to_base)));
 		if (from_base != to_base) {
-			string from = subst((*it).result_dir,
-					    "$$BaseName", from_base);
-			string to = subst((*it).result_dir,
-					  "$$BaseName", to_base);
-			return lyx::rename(from.c_str(), to.c_str());
+			string from = subst(conv.result_dir,
+					    token_base, from_base);
+			string to = subst(conv.result_dir,
+					  token_base, to_base);
+			if (!lyx::rename(from, to)) {
+				Alert::alert(_("Error while trying to move directory:"),
+					   from, ("to ") + to);
+				return false;
+			}
+		}
+		return true;
+	} else 
+		return move(outfile, to_file, conv.latex);
+}
+
+// If from = /path/file.ext and to = /path2/file2.ext2 then this method 
+// moves each /path/file*.ext file to /path2/file2*.ext2'
+bool Converters::move(string const & from, string const & to, bool copy)
+{
+	if (from == to)
+		return true;
+
+	bool no_errors = true;
+	string const path = OnlyPath(from);
+	string const base = OnlyFilename(ChangeExtension(from, ""));
+	string const to_base = ChangeExtension(to, "");
+	string const to_extension = GetExtension(to);
+
+	vector<string> files = DirList(OnlyPath(from), GetExtension(from));
+	for (vector<string>::const_iterator it = files.begin();
+	     it != files.end(); ++it)
+		if (prefixIs(*it, base)) {
+			string from2 = path + *it;
+			string to2 = to_base + it->substr(base.length());
+			to2 = ChangeExtension(to2, to_extension);
+			lyxerr[Debug::FILES] << "moving " << from2 
+					     << " to " << to2 << endl;
+			bool moved = (copy)
+				? lyx::copy(from2, to2)
+				: lyx::rename(from2, to2);
+			if (!moved && no_errors) {
+				Alert::alert(_("Error while trying to move file:"),
+					   from2, _("to ") + to2);
+				no_errors = false;
+			}
 		}
+	return no_errors;
+}
 
-	} else if (outfile != to_file)
-		if ((*it).from == "tex" &&
-		    ( (*it).to == "dvi" || (*it).to == "pdf") )
-			return lyx::copy(outfile.c_str(), to_file.c_str());
-		else
-			return lyx::rename(outfile.c_str(), to_file.c_str());
 
-        return true;
+bool Converters::convert(Buffer const * buffer,
+			string const & from_file, string const & to_file_base,
+			string const & from_format, string const & to_format)
+{
+	string to_file;
+	return convert(buffer, from_file, to_file_base, from_format, to_format,
+		       to_file);
 }
 
 
-string const Converter::SplitFormat(string const & str, string & format)
+void Converters::buildGraph()
 {
-	string using_format = split(str, format, ':');
-	if (format.empty())
-		format = "dvi";
-	return using_format;
+	vertices_ = vector<Vertex>(formats.size());
+	visited_.resize(formats.size());
+
+	for (ConverterList::iterator it = converterlist_.begin();
+	     it != converterlist_.end(); ++it) {
+		int const s = formats.getNumber(it->from);
+		int const t = formats.getNumber(it->to);
+		vertices_[t].in_vertices.push_back(s);
+		vertices_[s].out_vertices.push_back(t);
+		vertices_[s].out_edges.push_back(it - converterlist_.begin());
+	}
 }
 
 
-bool Converter::runLaTeX(Buffer * buffer, string const & command)
+bool Converters::formatIsUsed(string const & format)
 {
-	
+	ConverterList::const_iterator cit = converterlist_.begin();
+	ConverterList::const_iterator end = converterlist_.end();
+	for (; cit != end; ++cit) {
+		if (cit->from == format || cit->to == format)
+			return true;
+	}
+	return false;
+}
+
+
+bool Converters::scanLog(Buffer const * buffer, string const & command,
+			string const & filename)
+{
+	if (!buffer)
+		return false;
+
 	BufferView * bv = buffer->getUser();
+	bool need_redraw = false;
+	if (bv) {
+		bv->owner()->prohibitInput();
+		// Remove all error insets
+		need_redraw = bv->removeAutoInsets();
+	}
+
+	LaTeX latex("", filename, "");
+	TeXErrors terr;
+	int result = latex.scanLogFile(terr);
+	if (bv) {
+		if ((result & LaTeX::ERRORS)) {
+			// Insert all errors as errors boxes
+			bv->insertErrors(terr);
+			need_redraw = true;
+		}
+		if (need_redraw) {
+			bv->redraw();
+			bv->fitCursor();
+		}
+		bv->owner()->allowInput();
+	}
+
+	if ((result & LaTeX::ERRORS)) {
+		int num_errors = latex.getNumErrors();
+		string s;
+		string t;
+		if (num_errors == 1) {
+			s = _("One error detected");
+			t = _("You should try to fix it.");
+		} else {
+			s = tostr(num_errors);
+			s += _(" errors detected.");
+			t = _("You should try to fix them.");
+		}
+		string head;
+		split(command, head, ' ');
+		Alert::alert(_("There were errors during running of ") + head,
+			   s, t);
+		return false;
+	} else if (result & LaTeX::NO_OUTPUT) {
+		string const s = _("The operation resulted in");
+		string const t = _("an empty file.");
+		Alert::alert(_("Resulting file is empty"), s, t);
+		return false;
+	}
+	return true;
+}
 
-	if (!bv->text) return 0;
 
-	ProhibitInput(bv);
+bool Converters::runLaTeX(Buffer const * buffer, string const & command)
+{
+	if (!buffer)
+		return false;
 
+	BufferView * bv = buffer->getUser();
 	string name = buffer->getLatexName();
+	bool need_redraw = false;
 
-	bv->owner()->getMiniBuffer()->Set(_("Running LaTeX..."));   
+	if (bv) {
+		bv->owner()->prohibitInput();
+		bv->owner()->message(_("Running LaTeX..."));
+		// Remove all error insets
+		need_redraw = bv->removeAutoInsets();
+	}
 
-	// Remove all error insets
-	bool a = bv->removeAutoInsets();
 
 	// do the LaTex run(s)
 	TeXErrors terr;
-	LaTeX latex(command, name, buffer->filepath);
+	LaTeX latex(command, name, buffer->filePath());
 	int result = latex.run(terr,
-			    bv->owner()->getMiniBuffer()); // running latex
+			       bv ? bv->owner()->getLyXFunc() : 0);
+	
 
-	if ((result & LaTeX::ERRORS)) {
-		// Insert all errors as errors boxes
-		bv->insertErrors(terr);
-	}
+	if (bv) {
+		if ((result & LaTeX::ERRORS)) {
+			// Insert all errors as errors boxes
+			bv->insertErrors(terr);
+			need_redraw = true;
+		}
 
-	// if we removed error insets before we ran LaTeX or if we inserted
-	// error insets after we ran LaTeX this must be run:
-        if (a || (result & LaTeX::ERRORS)){
-                bv->redraw();
-                bv->fitCursor();
-                //bv->updateScrollbar();
-        }
+		// if we removed error insets before we ran LaTeX or if we inserted
+		// error insets after we ran LaTeX this must be run:
+		if (need_redraw) {
+			bv->redraw();
+			bv->fitCursor();
+		}
+	}
 
 	// check return value from latex.run().
 	if ((result & LaTeX::NO_LOGFILE)) {
-		WriteAlert(_("LaTeX did not work!"),
+		Alert::alert(_("LaTeX did not work!"),
 			   _("Missing log file:"), name);
 	} else if ((result & LaTeX::ERRORS)) {
 		int num_errors = latex.getNumErrors();
@@ -482,17 +888,28 @@ bool Converter::runLaTeX(Buffer * buffer, string const & command)
 			s += _(" errors detected.");
 			t = _("You should try to fix them.");
 		}
-		WriteAlert(_("There were errors during the LaTeX run."),
+		Alert::alert(_("There were errors during the LaTeX run."),
 			   s, t);
+	}  else if (result & LaTeX::NO_OUTPUT) {
+		string const s = _("The operation resulted in");
+		string const t = _("an empty file.");
+		Alert::alert(_("Resulting file is empty"), s, t);
 	}
-        AllowInput(bv);
+
+	if (bv)
+		bv->owner()->allowInput();
  
-        return (result & (LaTeX::NO_LOGFILE | LaTeX::ERRORS)) == 0;
+	int const ERROR_MASK = 
+			LaTeX::NO_LOGFILE |
+			LaTeX::ERRORS |
+			LaTeX::NO_OUTPUT;
+	
+	return (result & ERROR_MASK) == 0;
 
 }
 
 
-string const Converter::dvi_papersize(Buffer const * buffer)
+string const Converters::papersize(Buffer const * buffer)
 {
 	char real_papersize = buffer->params.papersize;
 	if (real_papersize == BufferParams::PAPER_DEFAULT)
@@ -513,14 +930,17 @@ string const Converter::dvi_papersize(Buffer const * buffer)
 		return "legal";
 	case BufferParams::PAPER_USLETTER:
 	default:
-		return "us";
+		return "letter";
 	}
 }
 
 
-string const Converter::dvips_options(Buffer const * buffer)
+string const Converters::dvips_options(Buffer const * buffer)
 {
 	string result;
+	if (!buffer)
+		return result;
+
 	if (buffer->params.use_geometry
 	    && buffer->params.papersize2 == BufferParams::VM_PAPER_CUSTOM
 	    && !lyxrc.print_paper_dimension_flag.empty()
@@ -531,9 +951,7 @@ string const Converter::dvips_options(Buffer const * buffer)
 		result += ' ' + buffer->params.paperwidth;
 		result += ',' + buffer->params.paperheight;
 	} else {
-		string paper_option = dvi_papersize(buffer);
-		if (paper_option == "us")
-			paper_option = "letter";
+		string const paper_option = papersize(buffer);
 		if (paper_option != "letter" ||
 		    buffer->params.orientation != BufferParams::ORIENTATION_LANDSCAPE) {
 			// dvips won't accept -t letter -t landscape.  In all other
@@ -542,7 +960,39 @@ string const Converter::dvips_options(Buffer const * buffer)
 			result += ' ' + paper_option;
 		}
 	}
-	if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE)
+	if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE &&
+	    buffer->params.papersize2 != BufferParams::VM_PAPER_CUSTOM)
 		result += ' ' + lyxrc.print_landscape_flag;
 	return result;
 }
+
+
+string const Converters::dvipdfm_options(Buffer const * buffer)
+{
+	string result;
+	if (!buffer)
+		return result;
+
+	if (buffer->params.papersize2 != BufferParams::VM_PAPER_CUSTOM) {
+		string const paper_size = papersize(buffer);
+		if (paper_size != "b5" && paper_size != "foolscap")
+			result = "-p "+ paper_size;
+
+		if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE)
+			result += " -l";
+	}
+
+	return result;
+}
+
+
+vector<Converters::Vertex> Converters::vertices_;
+
+
+/// The global instance
+Formats formats;
+Converters converters;
+
+// The global copy after reading lyxrc.defaults
+Formats system_formats;
+Converters system_converters;