lyx_mirror/src/LaTeXFeatures.C

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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2001 the LyX Team.
*
* ====================================================== */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "LaTeXFeatures.h"
#include "debug.h"
#include "lyx_sty.h"
#include "lyxrc.h"
#include "bufferparams.h"
#include "lyxtextclasslist.h"
#include "FloatList.h"
#include "language.h"
#include "encoding.h"
#include "LString.h"
#include "support/filetools.h"
#include "support/lstrings.h"
using lyx::textclass_type;
using std::endl;
using std::set;
using std::vector;
using std::find;
using std::ostream;
LaTeXFeatures::LaTeXFeatures(BufferParams const & p)
: params(p)
{}
void LaTeXFeatures::require(string const & name)
{
if (isRequired(name))
return;
features.push_back(name);
}
void LaTeXFeatures::useLayout(string const & layoutname)
{
// Some code to avoid loops in dependency definition
static int level = 0;
const int maxlevel = 30;
if (level > maxlevel) {
lyxerr << "LaTeXFeatures::useLayout: maximum level of "
<< "recursion attained by layout "
<< layoutname << endl;
return;
}
LyXTextClass tclass = textclasslist[params.textclass];
if (tclass.hasLayout(layoutname)) {
// Is this layout already in usedLayouts?
vector<string>::const_iterator cit = usedLayouts.begin();
vector<string>::const_iterator end = usedLayouts.end();
for (; cit != end; ++cit) {
if (layoutname == *cit)
return;
}
LyXLayout_ptr lyt = tclass[layoutname];
if (!lyt->depends_on().empty()) {
++level;
useLayout(lyt->depends_on());
--level;
}
usedLayouts.push_back(layoutname);
} else {
lyxerr << "LaTeXFeatures::useLayout: layout `"
<< layoutname << "' does not exist in this class"
<< endl;
}
--level;
}
bool LaTeXFeatures::isRequired(string const & name) const
{
FeaturesList::const_iterator i = find(features.begin(),
features.end(),
name);
return i != features.end();
}
void LaTeXFeatures::addExternalPreamble(string const & pream)
{
externalPreambles += pream;
}
void LaTeXFeatures::useFloat(string const & name)
{
usedFloats.insert(name);
// We only need float.sty if we use non builtin floats, or if we
// use the "H" modifier. This includes modified table and
// figure floats. (Lgb)
Floating const & fl = floatList.getType(name);
if (!fl.type().empty() && !fl.builtin()) {
require("float");
}
}
void LaTeXFeatures::useLanguage(Language const * lang)
{
UsedLanguages.insert(lang);
}
void LaTeXFeatures::includeFile(string const & key, string const & name)
{
IncludedFiles[key] = name;
}
bool LaTeXFeatures::hasLanguages()
{
return !UsedLanguages.empty();
}
string LaTeXFeatures::getLanguages() const
{
ostringstream languages;
for (LanguageList::const_iterator cit =
UsedLanguages.begin();
cit != UsedLanguages.end();
++cit)
languages << (*cit)->babel() << ',';
return languages.str().c_str();
}
set<string> LaTeXFeatures::getEncodingSet(string const & doc_encoding)
{
set<string> encodings;
for (LanguageList::const_iterator it =
UsedLanguages.begin();
it != UsedLanguages.end(); ++it)
if ((*it)->encoding()->LatexName() != doc_encoding)
encodings.insert((*it)->encoding()->LatexName());
return encodings;
}
namespace {
char const * simplefeatures[] = {
"array",
"verbatim",
"longtable",
"rotating",
"latexsym",
"pifont",
"subfigure",
"floatflt",
"varioref",
"prettyref",
"float",
"wasy"
};
const int nb_simplefeatures = sizeof(simplefeatures) / sizeof(char const *);
}
string const LaTeXFeatures::getPackages() const
{
ostringstream packages;
LyXTextClass const & tclass = textclasslist[params.textclass];
//
// These are all the 'simple' includes. i.e
// packages which we just \usepackage{package}
//
for (int i = 0; i < nb_simplefeatures; ++i) {
if (isRequired(simplefeatures[i]))
packages << "\\usepackage{"
<< simplefeatures[i] << "}\n";
}
//
// The rest of these packages are somewhat more complicated
// than those above.
//
if (isRequired("amsmath")
&& ! tclass.provides(LyXTextClass::amsmath)) {
packages << "\\usepackage{amsmath}\n";
}
// color.sty
if (isRequired("color")) {
if (params.graphicsDriver == "default")
packages << "\\usepackage{color}\n";
else
packages << "\\usepackage["
<< params.graphicsDriver
<< "]{color}\n";
}
// makeidx.sty
if (isRequired("makeidx")) {
if (! tclass.provides(LyXTextClass::makeidx))
packages << "\\usepackage{makeidx}\n";
packages << "\\makeindex\n";
}
// graphicx.sty
if (isRequired("graphicx") && params.graphicsDriver != "none") {
if (params.graphicsDriver == "default")
packages << "\\usepackage{graphicx}\n";
else
packages << "\\usepackage["
<< params.graphicsDriver
<< "]{graphicx}\n";
}
//if (algorithm) {
// packages << "\\usepackage{algorithm}\n";
//}
// lyxskak.sty --- newer chess support based on skak.sty
if (isRequired("chess")) {
packages << "\\usepackage[ps,mover]{lyxskak}\n";
}
// setspace.sty
if ((params.spacing.getSpace() != Spacing::Single
&& !params.spacing.isDefault())
|| isRequired("setspace")) {
packages << "\\usepackage{setspace}\n";
}
switch (params.spacing.getSpace()) {
case Spacing::Default:
case Spacing::Single:
// we dont use setspace.sty so dont print anything
//packages += "\\singlespacing\n";
break;
case Spacing::Onehalf:
packages << "\\onehalfspacing\n";
break;
case Spacing::Double:
packages << "\\doublespacing\n";
break;
case Spacing::Other:
packages << "\\setstretch{"
<< params.spacing.getValue() << "}\n";
break;
}
// amssymb.sty
if (isRequired("amssymb") || params.use_amsmath)
packages << "\\usepackage{amssymb}\n";
// url.sty
if (isRequired("url") && ! tclass.provides(LyXTextClass::url))
packages << "\\IfFileExists{url.sty}{\\usepackage{url}}\n"
" {\\newcommand{\\url}{\\texttt}}\n";
// float.sty
// natbib.sty
if (isRequired("natbib") && ! tclass.provides(LyXTextClass::natbib)) {
packages << "\\usepackage[";
if (params.use_numerical_citations) {
packages << "numbers";
} else {
packages << "authoryear";
}
packages << "]{natbib}\n";
}
packages << externalPreambles;
return packages.str().c_str();
}
string const LaTeXFeatures::getMacros() const
{
ostringstream macros;
if (isRequired("LyX"))
macros << lyx_def << '\n';
if (isRequired("lyxline"))
macros << lyxline_def << '\n';
if (isRequired("noun"))
macros << noun_def << '\n';
if (isRequired("lyxarrow"))
macros << lyxarrow_def << '\n';
// quotes.
if (isRequired("quotesinglbase"))
macros << quotesinglbase_def << '\n';
if (isRequired("quotedblbase"))
macros << quotedblbase_def << '\n';
if (isRequired("guilsinglleft"))
macros << guilsinglleft_def << '\n';
if (isRequired("guilsinglright"))
macros << guilsinglright_def << '\n';
if (isRequired("guillemotleft"))
macros << guillemotleft_def << '\n';
if (isRequired("guillemotright"))
macros << guillemotright_def << '\n';
// Math mode
if (isRequired("boldsymbol") && !isRequired("amsmath"))
macros << boldsymbol_def << '\n';
if (isRequired("binom") && !isRequired("amsmath"))
macros << binom_def << '\n';
if (isRequired("mathcircumflex"))
macros << mathcircumflex_def << '\n';
// other
if (isRequired("NeedLyXMinipageIndent"))
macros << minipageindent_def;
if (isRequired("ParagraphLeftIndent"))
macros << paragraphleftindent_def;
if (isRequired("NeedLyXFootnoteCode"))
macros << floatingfootnote_def;
// floats
getFloatDefinitions(macros);
return macros.str().c_str();
}
string const LaTeXFeatures::getBabelOptions() const
{
ostringstream tmp;
for (LanguageList::const_iterator cit = UsedLanguages.begin();
cit != UsedLanguages.end(); ++cit)
if (!(*cit)->latex_options().empty())
tmp << (*cit)->latex_options() << '\n';
if (!params.language->latex_options().empty())
tmp << params.language->latex_options() << '\n';
return tmp.str().c_str();
}
string const LaTeXFeatures::getTClassPreamble() const
{
// the text class specific preamble
LyXTextClass const & tclass = textclasslist[params.textclass];
ostringstream tcpreamble;
tcpreamble << tclass.preamble();
vector<string>::const_iterator cit = usedLayouts.begin();
vector<string>::const_iterator end = usedLayouts.end();
for (; cit != end; ++cit) {
tcpreamble << tclass[*cit]->preamble();
}
return tcpreamble.str().c_str();
}
string const LaTeXFeatures::getLyXSGMLEntities() const
{
// Definition of entities used in the document that are LyX related.
ostringstream entities;
if (isRequired("lyxarrow")) {
entities << "<!ENTITY lyxarrow \"-&gt;\">" << '\n';
}
return entities.str().c_str();
}
string const LaTeXFeatures::getIncludedFiles(string const & fname) const
{
ostringstream sgmlpreamble;
string const basename = OnlyPath(fname);
FileMap::const_iterator end = IncludedFiles.end();
for (FileMap::const_iterator fi = IncludedFiles.begin();
fi != end; ++fi)
sgmlpreamble << "\n<!ENTITY " << fi->first
<< (IsSGMLFilename(fi->second) ? " SYSTEM \"" : " \"")
<< MakeRelPath(fi->second, basename) << "\">";
return sgmlpreamble.str().c_str();
}
void LaTeXFeatures::showStruct() const {
lyxerr << "LyX needs the following commands when LaTeXing:"
<< "\n***** Packages:" << getPackages()
<< "\n***** Macros:" << getMacros()
<< "\n***** Textclass stuff:" << getTClassPreamble()
<< "\n***** done." << endl;
}
BufferParams const & LaTeXFeatures::bufferParams() const
{
return params;
}
void LaTeXFeatures::getFloatDefinitions(ostream & os) const
{
// Here we will output the code to create the needed float styles.
// We will try to do this as minimal as possible.
// \floatstyle{ruled}
// \newfloat{algorithm}{htbp}{loa}
// \floatname{algorithm}{Algorithm}
UsedFloats::const_iterator cit = usedFloats.begin();
UsedFloats::const_iterator end = usedFloats.end();
// ostringstream floats;
for (; cit != end; ++cit) {
Floating const & fl = floatList.getType((*cit));
// For builtin floats we do nothing.
if (fl.builtin()) continue;
// We have to special case "table" and "figure"
if (fl.type() == "tabular" || fl.type() == "figure") {
// Output code to modify "table" or "figure"
// but only if builtin == false
// and that have to be true at this point in the
// function.
string const type = fl.type();
string const placement = fl.placement();
string const style = fl.style();
if (!style.empty()) {
os << "\\floatstyle{" << style << "}\n"
<< "\\restylefloat{" << type << "}\n";
}
if (!placement.empty()) {
os << "\\floatplacement{" << type << "}{"
<< placement << "}\n";
}
} else {
// The other non builtin floats.
string const type = fl.type();
string const placement = fl.placement();
string const ext = fl.ext();
string const within = fl.within();
string const style = fl.style();
string const name = fl.name();
os << "\\floatstyle{" << style << "}\n"
<< "\\newfloat{" << type << "}{" << placement
<< "}{" << ext << "}";
if (!within.empty())
os << "[" << within << "]";
os << "\n"
<< "\\floatname{" << type << "}{"
<< name << "}\n";
// What missing here is to code to minimalize the code
// output so that the same floatstyle will not be
// used several times, when the same style is still in
// effect. (Lgb)
}
}
}