X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fconverter.C;h=fab51433f8b268b2c5909c2495dc38e65b688af7;hb=a235c8b10f71c3d77930ba0fb3270991b1134203;hp=99580fe06f65f5dc895b629cd9220b2b4f141b7d;hpb=e1cd322547158c885f3fa3543331a98f70800ba0;p=lyx.git

diff --git a/src/converter.C b/src/converter.C
index 99580fe06f..fab51433f8 100644
--- a/src/converter.C
+++ b/src/converter.C
@@ -15,120 +15,102 @@
 #endif
 
 #include <queue>
-#include <stack>
-#include <algorithm>
-#include <stdio.h>
 
 #include "converter.h"
 #include "lyxrc.h"
 #include "support/syscall.h"
 #include "support/path.h"
-#include "debug.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"
+#include "lyx_cb.h" // ShowMessage()
 
 using std::map;
 using std::vector;
 using std::queue;
 using std::pair;
-using std::sort;
-using std::stack;
 using std::endl;
+using std::find;
+using std::find_if;
 
 //////////////////////////////////////////////////////////////////////////////
 
 map<string, Format> Formats::formats;
 vector<Command> Converter::commands;
+string Converter::latex_command;
 
-//////////////////////////////////////////////////////////////////////////////
-
-Format::Format(string const & n)
-	: name(n), in_degree(0)
+inline
+string const add_options(string const & command, string const & options)
 {
-	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;
-		}
+	string head;
+	string tail = split(command, head, ' ');
+	return head + ' ' + options + ' ' + tail;
 }
 
+//////////////////////////////////////////////////////////////////////////////
 
 void Formats::Add(string const & name)
 {
 	if (formats.find(name) == formats.end())
-		formats[name] = Format(name);
+		formats[name] = Format(name, name, name, string());
+}
+
+
+void Formats::Add(string const & name, string const & extension, 
+		  string const & prettyname, string const & shortcut)
+{
+	formats[name] = Format(name, extension, prettyname, shortcut);
 }
 
 
 void Formats::SetViewer(string const & name, string const & command)
 {
+
+	string command2 = command;
+	if (!contains(command2,"$$FName"))
+		command2 += " $$FName";
+
 	Add(name);
-	Format * f = GetFormat(name);
-	if (!f->viewer.empty())
-		lyxerr << "Error: a viewer for " << name
-		       << " is already defined!" << endl;
-	else
-		f->viewer = command;
+	GetFormat(name)->viewer = command2;
 }
 
 
-bool Formats::View(string const & filename)
+bool Formats::View(Buffer const * buffer, string const & filename,
+		   string const & format_name)
 {
-	string extension = GetExtension(filename);
-	Format * format = GetFormat(extension);
+	if (filename.empty())
+		return false;
+
+	Format const * format = GetFormat(format_name);
 	if (!format || format->viewer.empty()) {
 		WriteAlert(_("Can not view file"),
 			   _("No information for viewing ")
-			   + Formats::PrettyName(extension));
+			   + Formats::PrettyName(format_name));
 			   return false;
 	}
 
 	string command = format->viewer;
-	command = subst(command, "$$FName", filename);
-#ifndef __EMX__
-	command += " &";
-#else
-	// OS/2 cmd.exe has another use for '&'
-	// This is not NLS safe, but it's OK, I think.
-	string sh = OnlyFilename(GetEnvPath("EMXSHELL"));
-	if (sh.empty()) {
-		// COMSPEC is set, unless user unsets 
-		sh = OnlyFilename(GetEnvPath("COMSPEC"));
-		if (sh.empty())
-			sh = "cmd.exe";
-	}
-	sh = lowercase(sh);
-	if (contains(sh, "cmd.exe")
-	    || contains(sh, "4os2.exe"))
-		command = "start /min/n " + command;
-	else
-		command += " &";
-#endif
-	lyxerr << "Executing command: " << command << endl;
-	//ShowMessage(buffer, _("Executing command:"), command);
+
+	if (format_name == "dvi" &&
+	    !lyxrc.view_dvi_paper_option.empty()) {
+		string options = lyxrc.view_dvi_paper_option;
+		options += " " + Converter::dvi_papersize(buffer);
+		if (buffer->params.orientation 
+		    == BufferParams::ORIENTATION_LANDSCAPE)
+			options += 'r';
+		command = add_options(command, options);
+        }
+
+	string command2 = subst(command, "$$FName", OnlyFilename(filename));
+	lyxerr << "Executing command: " << command2 << endl;
+	ShowMessage(buffer, _("Executing command:"), command2);
+
+	command = subst(command, "$$FName", QuoteName(filename));
 	Systemcalls one;
-	int res = one.startscript(Systemcalls::System, command);
+	int res = one.startscript(Systemcalls::SystemDontWait, command);
 
 	if (res) {
 		WriteAlert(_("Can not view file"),
@@ -149,57 +131,133 @@ Format * Formats::GetFormat(string const & name)
 		return 0;
 }
 
+
 string const Formats::PrettyName(string const & name)
 {
-	string format;
-	Converter::SplitFormat(name, format);
-	Format * f = GetFormat(format);
-	if (f)
-		return f->prettyname;
+	Format const * format = GetFormat(name);
+	if (format)
+		return format->prettyname;
 	else
-		return format;
+		return name;
 }
 
 
+string const Formats::Extension(string const & name)
+{
+	Format const * format = GetFormat(name);
+	if (format)
+		return format->extension;
+	else
+		return name;
+}
+
 //////////////////////////////////////////////////////////////////////////////
+
+class compare_Command {
+public:
+	compare_Command(Command const & c) : com(c) {}
+	bool operator()(Command const & c) {
+		return c.from == com.from && c.to == com.to;
+	}
+private:
+	Command com;
+};
+
+
 void Converter::Add(string const & from, string const & to,
 		    string const & command, string const & flags)
 {
-	for (vector<Command>::const_iterator cit = commands.begin();
-	     cit != commands.end(); ++cit)
-		if ((*cit).from == from && (*cit).to == to) {
-			lyxerr << "Error: Convertor from " << from
-			       << " to " << to
-			       << " already exists!" << endl;
-			return;
-		}
-	bool original_dir = flags == "origdir";
-	commands.push_back(Command(from, to, command, original_dir));
-
 	Formats::Add(from);
 	Formats::Add(to);
-	++Formats::GetFormat(to)->in_degree;
+	Command Com(Formats::GetFormat(from), Formats::GetFormat(to), command);
+	vector<Command>::iterator it = find_if(commands.begin(),
+					       commands.end(),
+					       compare_Command(Com));
+
+	if (command.empty() || command == "none") {
+		if (it != commands.end())
+			commands.erase(it);
+		return;
+	}
+
+
+	// Read the flags
+	string flag_list(flags);
+	while (!flag_list.empty()) {
+		string flag_name, flag_value;
+		flag_list = split(flag_list, flag_value, ',');
+		flag_value = split(flag_value, flag_name, '=');
+		if (flag_name == "*") {
+			if (it != commands.end()) {
+				Com = *it;
+				Com.command = command;
+			}
+		} 
+		else if (flag_name == "latex")
+			Com.latex = true;
+		else if (flag_name == "originaldir")
+			Com.original_dir = true;
+		else if (flag_name == "needaux")
+			Com.need_aux = true;
+		else if (flag_name == "resultdir")
+			Com.result_dir = (flag_value.empty())
+				? "$$BaseName" : flag_value;
+		else if (flag_name == "resultfile")
+			Com.result_file = flag_value;
+		else if (flag_name == "parselog")
+			Com.parselog = flag_value;
+		else if (flag_name == "disable") {
+			while (!flag_value.empty()) {
+				string tmp;
+				flag_value = split(flag_value, tmp, '&');
+				Com.disable.push_back(tmp);
+			}
+		}
+	}
+	if (!Com.result_dir.empty() && Com.result_file.empty())
+		Com.result_file = "index." + to;
+	//if (!contains(command, "$$FName"))
+	//	Com.latex = true;
+
+	if (Com.latex && (latex_command.empty() || to == "dvi"))
+		latex_command = command;
+	// 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 != commands.end()) {
+		*it = Com;
+		return;
+	}
+	commands.push_back(Com);
 }
 
 
-vector< pair<string,string> > const
-Converter::GetReachable(string const & from, bool only_viewable)
+inline
+bool enable(vector<Command>::iterator it, string const & from)
 {
-	vector< pair<string,string> > result;
-	Format * format = Formats::GetFormat(from);
+	return find((*it).disable.begin(), (*it).disable.end(), from)
+		== (*it).disable.end();
+}
+
+
+vector<FormatPair> const
+Converter::GetReachable(string const & from, string const & stop_format,
+			bool only_viewable)
+{
+	vector<FormatPair> result;
+	Format const * format = Formats::GetFormat(from);
 	if (!format)
 		return result;
 
-	int sort_start = 0;
-	if (!only_viewable || !format->viewer.empty()) {
-		result.push_back(pair<string,string>(from, format->prettyname));
-		sort_start = 1;
-	}
+	if (!only_viewable || !format->viewer.empty())
+		result.push_back(FormatPair(format, 0, ""));
 
 	queue< vector<Command>::iterator > Q;
 	for (vector<Command>::iterator it = commands.begin();
 	     it != commands.end(); ++it)
-		if ((*it).from == from) {
+		if ((*it).from->name == from && enable(it, from)
+		    && (*it).to->name != stop_format) {
 			Q.push(it);
 			(*it).visited = true;
 		} else
@@ -207,45 +265,73 @@ Converter::GetReachable(string const & from, bool only_viewable)
 
 	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 + ")";	
-		}
-		if (!only_viewable || !format->viewer.empty())
-			result.push_back(pair<string,string>(name, prettyname));
 		Q.pop();
+		if (!only_viewable || !(*it).to->viewer.empty())
+			result.push_back(FormatPair((*it).to, (*it).from,
+						    (*it).command));
 		for (vector<Command>::iterator it2 = commands.begin();
 		     it2 != commands.end(); ++it2)
-			if (!(*it2).visited && (*it).to == (*it2).from) {
+			if (!(*it2).visited && (*it).to == (*it2).from &&
+			    enable(it2, from) &&
+			    (*it2).to->name != stop_format) {
 				Q.push(it2);
 				(*it2).visited = true;
 			}
 	}
 
-	sort(result.begin() + sort_start, result.end());
 	return result;
 }
 
 
-bool Converter::convert(Buffer * buffer, string const & from_file,
-			string const & to_format)
-
+bool Converter::IsReachable(string const & from, string const & to)
 {
-	string format;
-	string using_format = SplitFormat(to_format, format);
-	string from_format = GetExtension(from_file);
-	if (from_format == format)
+	if (from == to)
 		return true;
 
 	queue< vector<Command>::iterator > Q;
 	for (vector<Command>::iterator it = commands.begin();
 	     it != commands.end(); ++it)
-		if ((*it).from == from_format) {
+		if ((*it).from->name == from && enable(it, from)) {
+			Q.push(it);
+			(*it).visited = true;
+		} else
+			(*it).visited = false;
+
+	while (!Q.empty()) {
+		vector<Command>::iterator it = Q.front();
+		Q.pop();
+		if ((*it).to->name == to)
+			return true;
+		for (vector<Command>::iterator it2 = commands.begin();
+		     it2 != commands.end(); ++it2)
+			if (!(*it2).visited && (*it).to == (*it2).from &&
+			    enable(it2, from)) {
+				Q.push(it2);
+				(*it2).visited = true;
+			}
+	}
+	return false;
+}
+
+
+bool Converter::Convert(Buffer const * buffer,
+			string const & from_file, string const & to_file_base,
+			string const & from_format, string const & to_format,
+			string const & using_format, string & to_file)
+{
+	to_file = ChangeExtension(to_file_base,
+				  Formats::Extension(to_format));
+
+	if (from_format == to_format)
+		if (from_file != to_file)
+			return lyx::rename(from_file, to_file);
+		else
+			return true;
+
+	queue< vector<Command>::iterator > Q;
+	for (vector<Command>::iterator it = commands.begin();
+	     it != commands.end(); ++it)
+		if ((*it).from->name == from_format && enable(it, from_format)) {
 			Q.push(it);
 			(*it).visited = true;
 			(*it).previous = commands.end();
@@ -262,15 +348,16 @@ bool Converter::convert(Buffer * buffer, string const & from_file,
 	vector<Command>::iterator it;
 	while (!Q.empty()) {
 		it = Q.front();
-		if ((*it).to == format &&
-		    (using_format.empty() || using_format == (*it).from)) {
+		if ((*it).to->name == to_format &&
+		    (using_format.empty() || using_format == (*it).from->name)) {
 			found = true;
 			break;
 		}
 		Q.pop();
 		for (vector<Command>::iterator it2 = commands.begin();
 		     it2 != commands.end(); ++it2)
-			if (!(*it2).visited && (*it).to == (*it2).from) {
+			if (!(*it2).visited && (*it).to == (*it2).from &&
+			    enable(it2, from_format)) {
 				Q.push(it2);
 				(*it2).visited = true;
 				(*it2).previous = it;
@@ -285,60 +372,132 @@ bool Converter::convert(Buffer * buffer, string const & from_file,
 		return false;
 	}
 
-	stack< vector<Command>::iterator > S;
+	vector< vector<Command>::iterator > S;
 	while (it != commands.end()) {
-		S.push(it);
+		S.push_back(it);
 		it = (*it).previous;
 	}
 
-	//Path p(OnlyPath(buffer->fileName()));
-	Path p(OnlyPath(from_file));
-
-	string basename = ChangeExtension(from_file, "");
-	while (!S.empty()) {
-		it = S.top();
-		S.pop();
+	string path = OnlyPath(from_file);
+	Path p(path);
+
+	bool run_latex = false;
+	string from_base = ChangeExtension(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;
-
-		if ((*it).from == "tex" &&
-		    ( (*it).to == "dvi" || (*it).to == "pdf") ) {
-			lyxrc.pdf_mode = (*it).to == "pdf";
+		       << (*it).from->name << " to " << (*it).to->name << endl;
+		infile = outfile;
+		outfile = (*it).result_dir.empty()
+			? ChangeExtension(from_file, (*it).to->extension)
+			: AddName(subst((*it).result_dir,
+					"$$BaseName", from_base),
+				  subst((*it).result_file,
+					"$$BaseName", OnlyFilename(from_base)));
+
+		if ((*it).latex) {
+			lyxrc.pdf_mode = (*it).to->name == "pdf";
+			lyxerr << "Running " << (*it).command << endl;
+			run_latex = true;
 			if (!runLaTeX(buffer, (*it).command))
 				return false;
 		} else {
-			string infile = ChangeExtension(from_file, (*it).from);
-			if (!(*it).original_dir)
-				infile = OnlyFilename(infile);
-			string outfile = ChangeExtension(infile, (*it).to);
+			if ((*it).need_aux && !run_latex
+			    && !latex_command.empty()) {
+				lyxerr << "Running " << latex_command 
+				       << " to update aux file"<<  endl;
+				runLaTeX(buffer, latex_command);
+			}
+
+			string infile2 = ((*it).original_dir)
+				? infile : MakeRelPath(infile, path);
+			string outfile2 = ((*it).original_dir)
+				? outfile : MakeRelPath(outfile, path);
 
 			string command = (*it).command;
-			command = subst(command, "$$FName", infile);
-			command = subst(command, "$$BaseName", basename);
-			command = subst(command, "$$OutName", outfile);
+			command = subst(command, "$$FName", QuoteName(infile2));
+			command = subst(command, "$$BaseName", QuoteName(from_base));
+			command = subst(command, "$$OutName", QuoteName(outfile2));
+
+			if (!(*it).parselog.empty())
+				command += " 2> " + QuoteName(infile2 + ".out");
+
+			if ((*it).from->name == "dvi" && (*it).to->name == "ps")
+				command = add_options(command,
+						      dvips_options(buffer));
+
 			lyxerr << "Calling " << command << endl;
-			ShowMessage(buffer, _("Executing command:"), command);
+			if (buffer)
+				ShowMessage(buffer, _("Executing command:"), command);
 			
 			Systemcalls one;
 			int res;
-			if ((*it).original_dir) {
+			if ((*it).original_dir && buffer) {
 				Path p(buffer->filepath);
 				res = one.startscript(Systemcalls::System, command);
 			} else
 				res = one.startscript(Systemcalls::System, command);
+
+			if (!(*it).parselog.empty()) {
+				string const logfile =  infile2 + ".log";
+				string const command2 = (*it).parselog +
+					" < " + QuoteName(infile2 + ".out") +
+					" > " + QuoteName(logfile);
+				one.startscript(Systemcalls::System, command2);
+				if (!scanLog(buffer, command, logfile))
+					return false;
+			}
+
 			if (res) {
-				WriteAlert(_("Can not convert file"),
-					   "Error while executing",
-					   command.substr(0, 50));
+				if ((*it).to->name == "program")
+					WriteAlert(_("There were errors during the Build process."),
+						   _("You should try to fix them."));
+				else
+					WriteAlert(_("Can not convert file"),
+						   "Error while executing",
+						   command.substr(0, 50));
 				return false;
 			}
 		}
 	}
 
+	if (!(*it).result_dir.empty()) {
+		to_file = AddName(subst((*it).result_dir,
+					"$$BaseName", to_base),
+				  subst((*it).result_file,
+					"$$BaseName", 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, to);
+		}
+	} else if (outfile != to_file)
+		if ((*it).latex)
+			return lyx::copy(outfile, to_file);
+		else
+			return lyx::rename(outfile, to_file);
+
         return true;
 }
 
 
+bool Converter::Convert(Buffer const * buffer,
+			string const & from_file, string const & to_file_base,
+			string const & from_format, string const & to_format,
+			string const & using_format)
+{
+	string to_file;
+	return Convert(buffer, from_file, to_file_base, from_format, to_format,
+		using_format, to_file);
+}
+
+
 string const Converter::SplitFormat(string const & str, string & format)
 {
 	string using_format = split(str, format, ':');
@@ -348,40 +507,101 @@ string const Converter::SplitFormat(string const & str, string & format)
 }
 
 
-bool Converter::runLaTeX(Buffer * buffer, string const & command)
+bool Converter::scanLog(Buffer const * buffer, string const & command,
+			string const & filename)
 {
-	
+	if (!buffer)
+		return false;
+
 	BufferView * bv = buffer->getUser();
+	bool need_redraw = false;
+	if (bv) {
+		ProhibitInput(bv);
+		// 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->text);
+		}
+		AllowInput(bv);
+	}
+
+	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, ' ');
+		WriteAlert(_("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.");
+		WriteAlert(_("Resulting file is empty"), s, t);
+		return false;
+	}
+	return true;
+}
 
-	if (!bv->text) return 0;
 
-	ProhibitInput(bv);
+bool Converter::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) {
+		ProhibitInput(bv);
+		bv->owner()->getMiniBuffer()->Set(_("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);
 	int result = latex.run(terr,
-			    bv->owner()->getMiniBuffer()); // running latex
+			       bv ? bv->owner()->getMiniBuffer() : 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(bv->text);
+		}
+	}
 
 	// check return value from latex.run().
 	if ((result & LaTeX::NO_LOGFILE)) {
@@ -401,10 +621,84 @@ bool Converter::runLaTeX(Buffer * buffer, string const & command)
 		}
 		WriteAlert(_("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.");
+		WriteAlert(_("Resulting file is empty"), s, t);
 	}
-        AllowInput(bv);
+
+	if (bv)
+		AllowInput(bv);
  
-        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)
+{
+	char real_papersize = buffer->params.papersize;
+	if (real_papersize == BufferParams::PAPER_DEFAULT)
+		real_papersize = lyxrc.default_papersize;
+
+	switch (real_papersize) {
+	case BufferParams::PAPER_A3PAPER:
+		return "a3";
+	case BufferParams::PAPER_A4PAPER:
+		return "a4";
+	case BufferParams::PAPER_A5PAPER:
+		return "a5";
+	case BufferParams::PAPER_B5PAPER:
+		return "b5";
+	case BufferParams::PAPER_EXECUTIVEPAPER:
+		return "foolscap";
+	case BufferParams::PAPER_LEGALPAPER:
+		return "legal";
+	case BufferParams::PAPER_USLETTER:
+	default:
+		return "us";
+	}
+}
+
 
+string const Converter::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()
+	    && !buffer->params.paperwidth.empty()
+	    && !buffer->params.paperheight.empty()) {
+		// using a custom papersize
+		result = lyxrc.print_paper_dimension_flag;
+		result += ' ' + buffer->params.paperwidth;
+		result += ',' + buffer->params.paperheight;
+	} else {
+		string paper_option = dvi_papersize(buffer);
+		if (paper_option == "us")
+			paper_option = "letter";
+		if (paper_option != "letter" ||
+		    buffer->params.orientation != BufferParams::ORIENTATION_LANDSCAPE) {
+			// dvips won't accept -t letter -t landscape.  In all other
+			// cases, include the paper size explicitly.
+			result = lyxrc.print_paper_flag;
+			result += ' ' + paper_option;
+		}
+	}
+	if (buffer->params.orientation == BufferParams::ORIENTATION_LANDSCAPE)
+		result += ' ' + lyxrc.print_landscape_flag;
+	return result;
 }
 
+
+void Converter::init()
+{
+}