mirror of
https://git.lyx.org/repos/lyx.git
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83b326d204
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@17675 a592a061-630c-0410-9148-cb99ea01b6c8
710 lines
20 KiB
C
710 lines
20 KiB
C
/**
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* \file converter.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Dekel Tsur
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "converter.h"
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#include "ConverterCache.h"
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#include "buffer.h"
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#include "buffer_funcs.h"
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#include "bufferparams.h"
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#include "debug.h"
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#include "format.h"
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#include "gettext.h"
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#include "language.h"
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#include "LaTeX.h"
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#include "mover.h"
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#include "frontends/Alert.h"
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#include "support/filetools.h"
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#include "support/lyxlib.h"
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#include "support/os.h"
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#include "support/path.h"
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#include "support/systemcall.h"
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namespace lyx {
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using support::addName;
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using support::bformat;
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using support::changeExtension;
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using support::compare_ascii_no_case;
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using support::contains;
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using support::dirList;
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using support::FileName;
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using support::getExtension;
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using support::isFileReadable;
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using support::libFileSearch;
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using support::libScriptSearch;
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using support::makeAbsPath;
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using support::makeRelPath;
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using support::onlyFilename;
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using support::onlyPath;
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using support::Path;
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using support::prefixIs;
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using support::quoteName;
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using support::removeExtension;
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using support::split;
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using support::subst;
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using support::Systemcall;
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using std::endl;
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using std::find_if;
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using std::string;
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using std::vector;
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using std::distance;
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namespace Alert = lyx::frontend::Alert;
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namespace {
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string const token_from("$$i");
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string const token_base("$$b");
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string const token_to("$$o");
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string const token_path("$$p");
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string const add_options(string const & command, string const & options)
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{
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string head;
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string const tail = split(command, head, ' ');
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return head + ' ' + options + ' ' + tail;
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}
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string const dvipdfm_options(BufferParams const & bp)
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{
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string result;
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if (bp.papersize != PAPER_CUSTOM) {
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string const paper_size = bp.paperSizeName();
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if (paper_size != "b5" && paper_size != "foolscap")
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result = "-p "+ paper_size;
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if (bp.orientation == ORIENTATION_LANDSCAPE)
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result += " -l";
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}
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return result;
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}
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class ConverterEqual : public std::binary_function<string, string, bool> {
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public:
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ConverterEqual(string const & from, string const & to)
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: from_(from), to_(to) {}
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bool operator()(Converter const & c) const {
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return c.from == from_ && c.to == to_;
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}
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private:
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string const from_;
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string const to_;
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};
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} // namespace anon
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Converter::Converter(string const & f, string const & t,
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string const & c, string const & l)
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: from(f), to(t), command(c), flags(l),
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From(0), To(0), latex(false), xml(false),
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original_dir(false), need_aux(false)
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{}
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void Converter::readFlags()
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{
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string flag_list(flags);
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while (!flag_list.empty()) {
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string flag_name, flag_value;
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flag_list = split(flag_list, flag_value, ',');
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flag_value = split(flag_value, flag_name, '=');
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if (flag_name == "latex")
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latex = true;
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else if (flag_name == "xml")
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xml = true;
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else if (flag_name == "originaldir")
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original_dir = true;
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else if (flag_name == "needaux")
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need_aux = true;
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else if (flag_name == "resultdir")
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result_dir = (flag_value.empty())
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? token_base : flag_value;
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else if (flag_name == "resultfile")
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result_file = flag_value;
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else if (flag_name == "parselog")
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parselog = flag_value;
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}
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if (!result_dir.empty() && result_file.empty())
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result_file = "index." + formats.extension(to);
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//if (!contains(command, token_from))
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// latex = true;
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}
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bool operator<(Converter const & a, Converter const & b)
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{
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// use the compare_ascii_no_case instead of compare_no_case,
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// because in turkish, 'i' is not the lowercase version of 'I',
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// and thus turkish locale breaks parsing of tags.
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int const i = compare_ascii_no_case(a.From->prettyname(),
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b.From->prettyname());
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if (i == 0)
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return compare_ascii_no_case(a.To->prettyname(),
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b.To->prettyname()) < 0;
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else
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return i < 0;
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}
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Converter const * Converters::getConverter(string const & from,
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string const & to) const
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{
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ConverterList::const_iterator const cit =
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find_if(converterlist_.begin(), converterlist_.end(),
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ConverterEqual(from, to));
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if (cit != converterlist_.end())
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return &(*cit);
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else
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return 0;
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}
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int Converters::getNumber(string const & from, string const & to) const
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{
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ConverterList::const_iterator const cit =
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find_if(converterlist_.begin(), converterlist_.end(),
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ConverterEqual(from, to));
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if (cit != converterlist_.end())
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return distance(converterlist_.begin(), cit);
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else
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return -1;
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}
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void Converters::add(string const & from, string const & to,
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string const & command, string const & flags)
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{
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formats.add(from);
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formats.add(to);
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ConverterList::iterator it = find_if(converterlist_.begin(),
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converterlist_.end(),
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ConverterEqual(from , to));
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Converter converter(from, to, command, flags);
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if (it != converterlist_.end() && !flags.empty() && flags[0] == '*') {
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converter = *it;
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converter.command = command;
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converter.flags = flags;
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}
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converter.readFlags();
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if (converter.latex && (latex_command_.empty() || to == "dvi"))
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latex_command_ = subst(command, token_from, "");
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// If we have both latex & pdflatex, we set latex_command to latex.
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// The latex_command is used to update the .aux file when running
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// a converter that uses it.
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if (it == converterlist_.end()) {
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converterlist_.push_back(converter);
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} else {
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converter.From = it->From;
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converter.To = it->To;
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*it = converter;
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}
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}
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void Converters::erase(string const & from, string const & to)
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{
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ConverterList::iterator const it =
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find_if(converterlist_.begin(),
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converterlist_.end(),
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ConverterEqual(from, to));
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if (it != converterlist_.end())
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converterlist_.erase(it);
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}
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// This method updates the pointers From and To in all the converters.
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// The code is not very efficient, but it doesn't matter as the number
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// of formats and converters is small.
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// Furthermore, this method is called only on startup, or after
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// adding/deleting a format in FormPreferences (the latter calls can be
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// eliminated if the formats in the Formats class are stored using a map or
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// a list (instead of a vector), but this will cause other problems).
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void Converters::update(Formats const & formats)
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{
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ConverterList::iterator it = converterlist_.begin();
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ConverterList::iterator end = converterlist_.end();
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for (; it != end; ++it) {
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it->From = formats.getFormat(it->from);
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it->To = formats.getFormat(it->to);
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}
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}
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// This method updates the pointers From and To in the last converter.
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// It is called when adding a new converter in FormPreferences
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void Converters::updateLast(Formats const & formats)
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{
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if (converterlist_.begin() != converterlist_.end()) {
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ConverterList::iterator it = converterlist_.end() - 1;
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it->From = formats.getFormat(it->from);
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it->To = formats.getFormat(it->to);
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}
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}
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void Converters::sort()
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{
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std::sort(converterlist_.begin(), converterlist_.end());
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}
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OutputParams::FLAVOR Converters::getFlavor(Graph::EdgePath const & path)
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{
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for (Graph::EdgePath::const_iterator cit = path.begin();
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cit != path.end(); ++cit) {
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Converter const & conv = converterlist_[*cit];
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if (conv.latex)
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if (contains(conv.to, "pdf"))
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return OutputParams::PDFLATEX;
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if (conv.xml)
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return OutputParams::XML;
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}
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return OutputParams::LATEX;
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}
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bool Converters::convert(Buffer const * buffer,
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FileName const & from_file, FileName const & to_file,
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FileName const & orig_from,
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string const & from_format, string const & to_format,
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ErrorList & errorList, int conversionflags)
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{
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if (from_format == to_format)
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return move(from_format, from_file, to_file, false);
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if ((conversionflags & try_cache) &&
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ConverterCache::get().inCache(orig_from, to_format))
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return ConverterCache::get().copy(orig_from, to_format, to_file);
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Graph::EdgePath edgepath = getPath(from_format, to_format);
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if (edgepath.empty()) {
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if (conversionflags & try_default) {
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// if no special converter defined, then we take the
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// default one from ImageMagic.
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string const from_ext = from_format.empty() ?
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getExtension(from_file.absFilename()) :
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formats.extension(from_format);
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string const to_ext = formats.extension(to_format);
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string const command =
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support::os::python() + ' ' +
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quoteName(libFileSearch("scripts", "convertDefault.py").toFilesystemEncoding()) +
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' ' +
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quoteName(from_ext + ':' + from_file.toFilesystemEncoding()) +
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' ' +
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quoteName(to_ext + ':' + to_file.toFilesystemEncoding());
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LYXERR(Debug::FILES)
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<< "No converter defined! "
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"I use convertDefault.py:\n\t"
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<< command << endl;
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Systemcall one;
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one.startscript(Systemcall::Wait, command);
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if (isFileReadable(to_file)) {
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if (conversionflags & try_cache)
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ConverterCache::get().add(orig_from,
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to_format, to_file);
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return true;
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}
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}
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Alert::error(_("Cannot convert file"),
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bformat(_("No information for converting %1$s "
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"format files to %2$s.\n"
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"Define a converter in the preferences."),
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from_ascii(from_format), from_ascii(to_format)));
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return false;
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}
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// buffer is only invalid for importing, and then runparams is not
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// used anyway.
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OutputParams runparams(buffer ? &buffer->params().encoding() : 0);
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runparams.flavor = getFlavor(edgepath);
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// Some converters (e.g. lilypond) can only output files to the
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// current directory, so we need to change the current directory.
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// This has the added benefit that all other files that may be
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// generated by the converter are deleted when LyX closes and do not
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// clutter the real working directory.
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string path = onlyPath(from_file.absFilename());
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Path p(path);
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// empty the error list before any new conversion takes place.
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errorList.clear();
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bool run_latex = false;
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string from_base = changeExtension(from_file.absFilename(), "");
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string to_base = changeExtension(to_file.absFilename(), "");
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FileName infile;
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FileName outfile = from_file;
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for (Graph::EdgePath::const_iterator cit = edgepath.begin();
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cit != edgepath.end(); ++cit) {
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Converter const & conv = converterlist_[*cit];
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bool dummy = conv.To->dummy() && conv.to != "program";
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if (!dummy)
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LYXERR(Debug::FILES) << "Converting from "
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<< conv.from << " to " << conv.to << endl;
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infile = outfile;
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outfile = FileName(conv.result_dir.empty()
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? changeExtension(from_file.absFilename(), conv.To->extension())
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: addName(subst(conv.result_dir,
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token_base, from_base),
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subst(conv.result_file,
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token_base, onlyFilename(from_base))));
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// if input and output files are equal, we use a
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// temporary file as intermediary (JMarc)
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FileName real_outfile;
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if (outfile == infile) {
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real_outfile = infile;
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outfile = FileName(addName(buffer->temppath(), "tmpfile.out"));
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}
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if (conv.latex) {
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run_latex = true;
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string const command = subst(conv.command, token_from, "");
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LYXERR(Debug::FILES) << "Running " << command << endl;
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if (!runLaTeX(*buffer, command, runparams, errorList))
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return false;
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} else {
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if (conv.need_aux && !run_latex
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&& !latex_command_.empty()) {
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LYXERR(Debug::FILES)
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<< "Running " << latex_command_
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<< " to update aux file"<< endl;
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runLaTeX(*buffer, latex_command_, runparams, errorList);
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}
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// FIXME UNICODE
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string const infile2 = (conv.original_dir)
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? infile.absFilename() : to_utf8(makeRelPath(from_utf8(infile.absFilename()),
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from_utf8(path)));
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string const outfile2 = (conv.original_dir)
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? outfile.absFilename() : to_utf8(makeRelPath(from_utf8(outfile.absFilename()),
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from_utf8(path)));
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string command = conv.command;
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command = subst(command, token_from, quoteName(infile2));
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command = subst(command, token_base, quoteName(from_base));
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command = subst(command, token_to, quoteName(outfile2));
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command = libScriptSearch(command);
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if (!conv.parselog.empty())
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command += " 2> " + quoteName(infile2 + ".out");
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if (conv.from == "dvi" && conv.to == "ps")
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command = add_options(command,
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buffer->params().dvips_options());
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else if (conv.from == "dvi" && prefixIs(conv.to, "pdf"))
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command = add_options(command,
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dvipdfm_options(buffer->params()));
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LYXERR(Debug::FILES) << "Calling " << command << endl;
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if (buffer)
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buffer->message(_("Executing command: ")
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+ from_utf8(command));
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Systemcall::Starttype const type = (dummy)
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? Systemcall::DontWait : Systemcall::Wait;
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Systemcall one;
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int res;
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if (conv.original_dir) {
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Path p(buffer->filePath());
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res = one.startscript(type,
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to_filesystem8bit(from_utf8(command)));
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} else
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res = one.startscript(type,
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to_filesystem8bit(from_utf8(command)));
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if (!real_outfile.empty()) {
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Mover const & mover = getMover(conv.to);
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if (!mover.rename(outfile, real_outfile))
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res = -1;
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else
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LYXERR(Debug::FILES)
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<< "renaming file " << outfile
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<< " to " << real_outfile
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<< endl;
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// Finally, don't forget to tell any future
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// converters to use the renamed file...
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outfile = real_outfile;
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}
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if (!conv.parselog.empty()) {
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string const logfile = infile2 + ".log";
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string const script = libScriptSearch(conv.parselog);
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string const command2 = script +
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" < " + quoteName(infile2 + ".out") +
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" > " + quoteName(logfile);
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one.startscript(Systemcall::Wait,
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to_filesystem8bit(from_utf8(command2)));
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if (!scanLog(*buffer, command, makeAbsPath(logfile, path), errorList))
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return false;
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}
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if (res) {
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if (conv.to == "program") {
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Alert::error(_("Build errors"),
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_("There were errors during the build process."));
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} else {
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// FIXME: this should go out of here. For example, here we cannot say if
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// it is a document (.lyx) or something else. Same goes for elsewhere.
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Alert::error(_("Cannot convert file"),
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bformat(_("An error occurred whilst running %1$s"),
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from_utf8(command.substr(0, 50))));
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}
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return false;
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}
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}
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}
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Converter const & conv = converterlist_[edgepath.back()];
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if (conv.To->dummy())
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return true;
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if (!conv.result_dir.empty()) {
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// The converter has put the file(s) in a directory.
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// In this case we ignore the given to_file.
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if (from_base != to_base) {
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string const from = subst(conv.result_dir,
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token_base, from_base);
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string const to = subst(conv.result_dir,
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token_base, to_base);
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Mover const & mover = getMover(conv.from);
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if (!mover.rename(FileName(from), FileName(to))) {
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Alert::error(_("Cannot convert file"),
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bformat(_("Could not move a temporary directory from %1$s to %2$s."),
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from_utf8(from), from_utf8(to)));
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return false;
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}
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}
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return true;
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} else {
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if (conversionflags & try_cache)
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ConverterCache::get().add(orig_from, to_format, outfile);
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return move(conv.to, outfile, to_file, conv.latex);
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}
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}
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bool Converters::move(string const & fmt,
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FileName const & from, FileName const & to, bool copy)
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{
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if (from == to)
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return true;
|
|
|
|
bool no_errors = true;
|
|
string const path = onlyPath(from.absFilename());
|
|
string const base = onlyFilename(removeExtension(from.absFilename()));
|
|
string const to_base = removeExtension(to.absFilename());
|
|
string const to_extension = getExtension(to.absFilename());
|
|
|
|
vector<FileName> const files = dirList(FileName(path),
|
|
getExtension(from.absFilename()));
|
|
for (vector<FileName>::const_iterator it = files.begin();
|
|
it != files.end(); ++it) {
|
|
string const from2 = it->absFilename();
|
|
string const file2 = onlyFilename(from2);
|
|
if (prefixIs(file2, base)) {
|
|
string const to2 = changeExtension(
|
|
to_base + file2.substr(base.length()),
|
|
to_extension);
|
|
LYXERR(Debug::FILES) << "moving " << from2
|
|
<< " to " << to2 << endl;
|
|
|
|
Mover const & mover = getMover(fmt);
|
|
bool const moved = copy
|
|
? mover.copy(*it, FileName(to2))
|
|
: mover.rename(*it, FileName(to2));
|
|
if (!moved && no_errors) {
|
|
Alert::error(_("Cannot convert file"),
|
|
bformat(copy ?
|
|
_("Could not copy a temporary file from %1$s to %2$s.") :
|
|
_("Could not move a temporary file from %1$s to %2$s."),
|
|
from_utf8(from2), from_utf8(to2)));
|
|
no_errors = false;
|
|
}
|
|
}
|
|
}
|
|
return no_errors;
|
|
}
|
|
|
|
|
|
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*/,
|
|
FileName const & filename, ErrorList & errorList)
|
|
{
|
|
OutputParams runparams(0);
|
|
runparams.flavor = OutputParams::LATEX;
|
|
LaTeX latex("", runparams, filename);
|
|
TeXErrors terr;
|
|
int const result = latex.scanLogFile(terr);
|
|
|
|
if (result & LaTeX::ERRORS)
|
|
bufferErrors(buffer, terr, errorList);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
namespace {
|
|
|
|
class showMessage : public std::unary_function<docstring, void>, public boost::signals::trackable {
|
|
public:
|
|
showMessage(Buffer const & b) : buffer_(b) {};
|
|
void operator()(docstring const & m) const
|
|
{
|
|
buffer_.message(m);
|
|
}
|
|
private:
|
|
Buffer const & buffer_;
|
|
};
|
|
|
|
}
|
|
|
|
|
|
bool Converters::runLaTeX(Buffer const & buffer, string const & command,
|
|
OutputParams const & runparams, ErrorList & errorList)
|
|
{
|
|
buffer.busy(true);
|
|
buffer.message(_("Running LaTeX..."));
|
|
|
|
runparams.document_language = buffer.params().language->babel();
|
|
|
|
// do the LaTeX run(s)
|
|
string const name = buffer.getLatexName();
|
|
LaTeX latex(command, runparams, FileName(makeAbsPath(name)));
|
|
TeXErrors terr;
|
|
showMessage show(buffer);
|
|
latex.message.connect(show);
|
|
int const result = latex.run(terr);
|
|
|
|
if (result & LaTeX::ERRORS)
|
|
bufferErrors(buffer, terr, errorList);
|
|
|
|
// check return value from latex.run().
|
|
if ((result & LaTeX::NO_LOGFILE)) {
|
|
docstring const str =
|
|
bformat(_("LaTeX did not run successfully. "
|
|
"Additionally, LyX could not locate "
|
|
"the LaTeX log %1$s."), from_utf8(name));
|
|
Alert::error(_("LaTeX failed"), str);
|
|
} else if (result & LaTeX::NO_OUTPUT) {
|
|
Alert::warning(_("Output is empty"),
|
|
_("An empty output file was generated."));
|
|
}
|
|
|
|
|
|
buffer.busy(false);
|
|
|
|
int const ERROR_MASK =
|
|
LaTeX::NO_LOGFILE |
|
|
LaTeX::ERRORS |
|
|
LaTeX::NO_OUTPUT;
|
|
|
|
return (result & ERROR_MASK) == 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void Converters::buildGraph()
|
|
{
|
|
G_.init(formats.size());
|
|
ConverterList::iterator beg = converterlist_.begin();
|
|
ConverterList::iterator const end = converterlist_.end();
|
|
for (ConverterList::iterator it = beg; it != end ; ++it) {
|
|
int const s = formats.getNumber(it->from);
|
|
int const t = formats.getNumber(it->to);
|
|
G_.addEdge(s,t);
|
|
}
|
|
}
|
|
|
|
|
|
std::vector<Format const *> const
|
|
Converters::intToFormat(std::vector<int> const & input)
|
|
{
|
|
vector<Format const *> result(input.size());
|
|
|
|
vector<int>::const_iterator it = input.begin();
|
|
vector<int>::const_iterator const end = input.end();
|
|
vector<Format const *>::iterator rit = result.begin();
|
|
for ( ; it != end; ++it, ++rit) {
|
|
*rit = &formats.get(*it);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
vector<Format const *> const
|
|
Converters::getReachableTo(string const & target, bool const clear_visited)
|
|
{
|
|
vector<int> const & reachablesto =
|
|
G_.getReachableTo(formats.getNumber(target), clear_visited);
|
|
|
|
return intToFormat(reachablesto);
|
|
}
|
|
|
|
|
|
vector<Format const *> const
|
|
Converters::getReachable(string const & from, bool const only_viewable,
|
|
bool const clear_visited)
|
|
{
|
|
vector<int> const & reachables =
|
|
G_.getReachable(formats.getNumber(from),
|
|
only_viewable,
|
|
clear_visited);
|
|
|
|
return intToFormat(reachables);
|
|
}
|
|
|
|
|
|
bool Converters::isReachable(string const & from, string const & to)
|
|
{
|
|
return G_.isReachable(formats.getNumber(from),
|
|
formats.getNumber(to));
|
|
}
|
|
|
|
|
|
Graph::EdgePath const
|
|
Converters::getPath(string const & from, string const & to)
|
|
{
|
|
return G_.getPath(formats.getNumber(from),
|
|
formats.getNumber(to));
|
|
}
|
|
|
|
} // namespace lyx
|