X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FLaTeXFonts.cpp;h=00e19fa57dce537979b854e4652a52b6f7c46f48;hb=7b0f9d95248820bc70b820dd6b558de4a6713bae;hp=8d18a04f6bad8baa2ef23b8497d3bea664959e5f;hpb=869b84aef9dbec9c90ba4483db0b28a3fb92b947;p=lyx.git

diff --git a/src/LaTeXFonts.cpp b/src/LaTeXFonts.cpp
index 8d18a04f6b..00e19fa57d 100644
--- a/src/LaTeXFonts.cpp
+++ b/src/LaTeXFonts.cpp
@@ -15,10 +15,14 @@
 #include "LaTeXFeatures.h"
 #include "Lexer.h"
 
+#include "frontends/alert.h"
+
 #include "support/convert.h"
 #include "support/debug.h"
+#include "support/docstream.h"
 #include "support/FileName.h"
 #include "support/filetools.h"
+#include "support/gettext.h"
 #include "support/lstrings.h"
 
 
@@ -31,118 +35,350 @@ namespace lyx {
 LaTeXFonts latexfonts;
 
 
-bool LaTeXFont::available(bool ot1) const
+LaTeXFont LaTeXFont::altFont(docstring const & name)
 {
-	return ot1 ? available_ot1_ : available_;
+	return theLaTeXFonts().getAltFont(name);
+}
+
+
+bool LaTeXFont::available(bool ot1, bool nomath)
+{
+	if (nomath && !nomathfont_.empty())
+		return altFont(nomathfont_).available(ot1, nomath);
+	else if (ot1 && !ot1font_.empty())
+		return (ot1font_ == "none") ?
+			true : altFont(ot1font_).available(ot1, nomath);
+	else if (required_.empty() && package_.empty())
+		return true;
+	else if (!required_.empty()
+		&& LaTeXFeatures::isAvailable(to_ascii(required_)))
+		return true;
+	else if (required_.empty() && !package_.empty()
+		&& LaTeXFeatures::isAvailable(to_ascii(package_)))
+		return true;
+	else if (!altfonts_.empty()) {
+		for (size_t i = 0; i < altfonts_.size(); ++i) {
+			if (altFont(altfonts_[i]).available(ot1, nomath))
+				return true;
+		}
+	}
+	return false;
 }
 
 
-bool LaTeXFont::providesOSF(bool ot1) const
+bool LaTeXFont::providesNoMath(bool ot1, bool complete)
 {
-	if (!osfpackage_.empty())
-		return LaTeXFeatures::isAvailable(to_ascii(osfpackage_));
+	docstring const usedfont = getUsedFont(ot1, complete, false, false);
 
-	if (ot1 && !ot1package_.empty() && ot1package_ != "none")
+	if (usedfont.empty())
 		return false;
+	else if (usedfont != name_)
+		return altFont(usedfont).providesNoMath(ot1, complete);
 
-	if (!package_.empty() && !LaTeXFeatures::isAvailable(to_ascii(package_)))
+	return (!nomathfont_.empty() && available(ot1, true));
+}
+
+
+bool LaTeXFont::providesOSF(bool ot1, bool complete, bool nomath)
+{
+	docstring const usedfont = getUsedFont(ot1, complete, nomath, false);
+
+	if (usedfont.empty())
+		return false;
+	else if (usedfont != name_)
+		return altFont(usedfont).providesOSF(ot1, complete, nomath);
+	else if (!osffont_.empty())
+		return altFont(osffont_).available(ot1, nomath);
+	else if (!available(ot1, nomath))
 		return false;
 
 	return (!osfoption_.empty() || !osfscoption_.empty());
 }
 
 
-bool LaTeXFont::providesSC(bool ot1) const
+bool LaTeXFont::providesSC(bool ot1, bool complete, bool nomath)
 {
-	if (ot1 && !ot1package_.empty() && ot1package_ != "none")
-		return false;
+	docstring const usedfont = getUsedFont(ot1, complete, nomath, false);
 
-	if (!package_.empty() && !LaTeXFeatures::isAvailable(to_ascii(package_)))
+	if (usedfont.empty())
+		return false;
+	else if (usedfont != name_)
+		return altFont(usedfont).providesSC(ot1, complete, nomath);
+	else if (!available(ot1, nomath))
 		return false;
 
 	return (!scoption_.empty() || !osfscoption_.empty());
 }
 
 
-bool LaTeXFont::providesScale(bool ot1) const
+bool LaTeXFont::hasMonolithicExpertSet(bool ot1, bool complete, bool nomath)
 {
-	if (ot1 && !ot1package_.empty() && ot1package_ != "none")
+	docstring const usedfont = getUsedFont(ot1, complete, nomath, false);
+
+	if (usedfont.empty())
 		return false;
+	else if (usedfont != name_)
+		return altFont(usedfont).hasMonolithicExpertSet(ot1, complete, nomath);
+	return (!osfoption_.empty() && !scoption_.empty() && osfoption_ == scoption_)
+		|| (osfoption_.empty() && scoption_.empty() && !osfscoption_.empty());
+}
+
 
-	if (!package_.empty() && !LaTeXFeatures::isAvailable(to_ascii(package_)))
+bool LaTeXFont::providesScale(bool ot1, bool complete, bool nomath)
+{
+	docstring const usedfont = getUsedFont(ot1, complete, nomath, false);
+
+	if (usedfont.empty())
+		return false;
+	else if (usedfont != name_)
+		return altFont(usedfont).providesScale(ot1, complete, nomath);
+	else if (!available(ot1, nomath))
 		return false;
+	return (!scaleoption_.empty() || !scalecmd_.empty());
+}
+
+
+bool LaTeXFont::providesMoreOptions(bool ot1, bool complete, bool nomath)
+{
+	docstring const usedfont = getUsedFont(ot1, complete, nomath, false);
 
-	return (!scaleoption_.empty());
+	if (usedfont.empty())
+		return false;
+	else if (usedfont != name_)
+		return altFont(usedfont).providesMoreOptions(ot1, complete, nomath);
+	else if (!available(ot1, nomath))
+		return false;
+
+	return (moreopts_);
 }
 
+bool LaTeXFont::provides(std::string const & name, bool ot1, bool complete, bool nomath)
+{
+	docstring const usedfont = getUsedFont(ot1, complete, nomath, false);
 
-string const LaTeXFont::getAvailablePackage(bool ot1, bool complete)
+	if (usedfont.empty())
+		return false;
+	else if (usedfont != name_)
+		return altFont(usedfont).provides(name, ot1, complete, nomath);
+	else if (provides_.empty())
+		return false;
+
+	for (size_t i = 0; i < provides_.size(); ++i) {
+		if (provides_[i] == name)
+			return true;
+	}
+	return false;
+}
+
+
+docstring const LaTeXFont::getUsedFont(bool ot1, bool complete, bool nomath, bool osf)
 {
-	if (ot1 && !ot1package_.empty()) {
-		if (ot1package_ != "none" && LaTeXFeatures::isAvailable(to_ascii(ot1package_)))
-			return to_ascii(ot1package_);
-		return string();
+	if (osf && osfFontOnly())
+		return osffont_;
+	else if (nomath && !nomathfont_.empty() && available(ot1, true))
+		return nomathfont_;
+	else if (ot1 && !ot1font_.empty())
+		return (ot1font_ == "none") ? docstring() : ot1font_;
+	else if (family_ == "rm" && complete && !completefont_.empty()
+	         && altFont(completefont_).available(ot1, nomath))
+			return completefont_;
+	else if (switchdefault_) {
+		if (required_.empty()
+		    || (!required_.empty()
+		        && LaTeXFeatures::isAvailable(to_ascii(required_))))
+			return name_;
 	}
-	if (complete && !completepackage_.empty()) {
-		if (LaTeXFeatures::isAvailable(to_ascii(completepackage_)))
-			return to_ascii(completepackage_);
+	else if (!required_.empty()
+		&& LaTeXFeatures::isAvailable(to_ascii(required_)))
+			return name_;
+	else if (!package_.empty()
+		&& LaTeXFeatures::isAvailable(to_ascii(package_)))
+			return name_;
+	else if (!preamble_.empty() && package_.empty()
+		 && required_.empty() && !switchdefault_
+		 && altfonts_.empty()) {
+			return name_;
 	}
-	if (!package_.empty()) {
-		if (!requires_.empty() && LaTeXFeatures::isAvailable(to_ascii(requires_)))
-			return to_ascii(package_);
-		if (LaTeXFeatures::isAvailable(to_ascii(package_)))
-			return to_ascii(package_);
-		else if (!altpackages_.empty()) {
-			for (size_t i = 0; i < altpackages_.size(); ++i) {
-				if (LaTeXFeatures::isAvailable(to_ascii(altpackages_[i])))
-					return to_ascii(altpackages_[i]);
-			}
+	else if (!altfonts_.empty()) {
+		for (size_t i = 0; i < altfonts_.size(); ++i) {
+			LaTeXFont altf = altFont(altfonts_[i]);
+			if (altf.available(ot1, nomath))
+				return altf.getUsedFont(ot1, complete, nomath, osf);
 		}
 	}
-	return string();
+
+	return docstring();
+}
+
+
+docstring const LaTeXFont::getUsedPackage(bool ot1, bool complete, bool nomath)
+{
+	docstring const usedfont = getUsedFont(ot1, complete, nomath, false);
+	if (usedfont.empty())
+		return docstring();
+	return theLaTeXFonts().getLaTeXFont(usedfont).package();
 }
 
 
-string const LaTeXFont::getPackageOptions(bool const & ot1, bool const & sc,
-					  bool const & osf, int const & scale)
+string const LaTeXFont::getAvailablePackage(bool dryrun)
 {
-	if (ot1 && !ot1package_.empty())
+	if (package_.empty())
 		return string();
 
+	string const package = to_ascii(package_);
+	if (!required_.empty() && LaTeXFeatures::isAvailable(to_ascii(required_)))
+		return package;
+	else if (LaTeXFeatures::isAvailable(package))
+		return package;
+	// Output unavailable packages in source preview
+	else if (dryrun)
+		return package;
+
+	docstring const req = required_.empty() ? package_ : required_;
+	frontend::Alert::warning(_("Font not available"),
+			bformat(_("The LaTeX package `%1$s' needed for the font `%2$s'\n"
+				  "is not available on your system. LyX will fall back to the default font."),
+				req, guiname_), true);
+
+	return string();
+}
+
+
+string const LaTeXFont::getPackageOptions(bool ot1, bool complete, bool sc, bool osf,
+					  int scale, string const & extraopts, bool nomath)
+{
 	ostringstream os;
-	if (sc && osf && providesOSF() && providesSC()) {
+	bool const needosfopt = (osf != osfdefault_);
+	bool const has_osf = providesOSF(ot1, complete, nomath);
+	bool const has_sc = providesSC(ot1, complete, nomath);
+	bool const moreopts = providesMoreOptions(ot1, complete, nomath);
+
+	if (!packageoptions_.empty())
+		os << to_ascii(packageoptions_);
+
+	if (sc && needosfopt && has_osf && has_sc) {
+		if (!os.str().empty())
+			os << ',';
 		if (!osfscoption_.empty())
 			os << to_ascii(osfscoption_);
 		else
-			os << to_ascii(osfoption_) << ',' << to_ascii(scoption_);
-	} else if (osf && providesOSF())
+			os << to_ascii(osfoption_)
+			   << ',' << to_ascii(scoption_);
+	} else if (needosfopt && has_osf) {
+		if (!os.str().empty())
+			os << ',';
 		os << to_ascii(osfoption_);
-	else if (sc && providesSC())
+	} else if (sc && has_sc) {
+		if (!os.str().empty())
+			os << ',';
 		os << to_ascii(scoption_);
-	if (scale != 100 && !scaleoption_.empty()) {
+	}
+
+	if (scale != 100 && !scaleoption_.empty()
+	    && providesScale(ot1, complete, nomath)) {
 		if (!os.str().empty())
 			os << ',';
 		os << subst(to_ascii(scaleoption_), "$$val",
 			    convert<std::string>(float(scale) / 100));
 	}
+
+	if (moreopts && !extraopts.empty()) {
+		if (!os.str().empty())
+			os << ',';
+		os << extraopts;
+	}
+	return os.str();
+}
+
+
+string const LaTeXFont::getLaTeXCode(bool dryrun, bool ot1, bool complete, bool sc,
+				     bool osf, bool nomath, string const & extraopts,
+				     int const & scale)
+{
+	ostringstream os;
+
+	docstring const usedfont = getUsedFont(ot1, complete, nomath, osf);
+	if (usedfont.empty())
+		return string();
+	else if (usedfont != name_)
+		return altFont(usedfont).getLaTeXCode(dryrun, ot1, complete, sc,
+						      osf, nomath, extraopts, scale);
+
+	if (switchdefault_) {
+		if (family_.empty()) {
+			LYXERR0("Error: Font `" << name_ << "' has no family defined!");
+			return string();
+		}
+		if (available(ot1, nomath) || dryrun)
+			os << "\\renewcommand{\\" << to_ascii(family_) << "default}{"
+			   << to_ascii(name_) << "}\n";
+		else
+			frontend::Alert::warning(_("Font not available"),
+					bformat(_("The LaTeX package `%1$s' needed for the font `%2$s'\n"
+						  "is not available on your system. LyX will fall back to the default font."),
+						required_, guiname_), true);
+	} else {
+		string const package =
+			getAvailablePackage(dryrun);
+		string const packageopts = getPackageOptions(ot1, complete, sc, osf, scale, extraopts, nomath);
+		if (packageopts.empty() && !package.empty())
+			os << "\\usepackage{" << package << "}\n";
+		else if (!packageopts.empty() && !package.empty())
+			os << "\\usepackage[" << packageopts << "]{" << package << "}\n";
+	}
+	if (osf && providesOSF(ot1, complete, nomath) && !osffont_.empty())
+		os << altFont(osffont_).getLaTeXCode(dryrun, ot1, complete, sc, osf,
+						     nomath, extraopts, scale);
+	if (scale != 100 && !scalecmd_.empty()
+	    && providesScale(ot1, complete, nomath)) {
+		if (contains(scalecmd_, '@'))
+			os << "\\makeatletter\n";
+		os << subst(to_ascii(scalecmd_), "$$val",
+			    convert<std::string>(float(scale) / 100)) << '\n';
+		if (contains(scalecmd_, '@'))
+			os << "\\makeatother\n";
+	}
+
+	if (!preamble_.empty())
+		os << to_utf8(preamble_);
+
 	return os.str();
 }
 
 
+bool LaTeXFont::hasFontenc(string const & name) const
+{
+	for (auto const & fe : fontenc_) {
+		if (fe == name)
+			return true;
+	}
+	return false;
+}
+
+
 bool LaTeXFont::readFont(Lexer & lex)
 {
 	enum LaTeXFontTags {
-		LF_ALT_PACKAGES = 1,
-		LF_COMPLETE_PACKAGE,
+		LF_ALT_FONTS = 1,
+		LF_COMPLETE_FONT,
 		LF_END,
 		LF_FAMILY,
+		LF_FONTENC,
 		LF_GUINAME,
+		LF_NOMATHFONT,
+		LF_OSFDEFAULT,
+		LF_OSFFONT,
+		LF_OSFFONTONLY,
 		LF_OSFOPTION,
-		LF_OSFPACKAGE,
 		LF_OSFSCOPTION,
-		LF_OT1_PACKAGE,
+		LF_OT1_FONT,
+		LF_MOREOPTS,
 		LF_PACKAGE,
+		LF_PACKAGEOPTIONS,
+		LF_PREAMBLE,
+		LF_PROVIDES,
 		LF_REQUIRES,
+		LF_SCALECMD,
 		LF_SCALEOPTION,
 		LF_SCOPTION,
 		LF_SWITCHDEFAULT
@@ -150,17 +386,26 @@ bool LaTeXFont::readFont(Lexer & lex)
 
 	// Keep these sorted alphabetically!
 	LexerKeyword latexFontTags[] = {
-		{ "altpackages",          LF_ALT_PACKAGES },
-		{ "completepackage",      LF_COMPLETE_PACKAGE },
+		{ "altfonts",             LF_ALT_FONTS },
+		{ "completefont",         LF_COMPLETE_FONT },
 		{ "endfont",              LF_END },
 		{ "family",               LF_FAMILY },
+		{ "fontencoding",         LF_FONTENC },
 		{ "guiname",              LF_GUINAME },
+		{ "moreoptions",          LF_MOREOPTS },
+		{ "nomathfont",           LF_NOMATHFONT },
+		{ "osfdefault",           LF_OSFDEFAULT },
+		{ "osffont",              LF_OSFFONT },
+		{ "osffontonly",          LF_OSFFONTONLY },
 		{ "osfoption",            LF_OSFOPTION },
-		{ "osfpackage",           LF_OSFPACKAGE },
 		{ "osfscoption",          LF_OSFSCOPTION },
-		{ "ot1package",           LF_OT1_PACKAGE },
+		{ "ot1font",              LF_OT1_FONT },
 		{ "package",              LF_PACKAGE },
+		{ "packageoptions",       LF_PACKAGEOPTIONS },
+		{ "preamble",             LF_PREAMBLE },
+		{ "provides",             LF_PROVIDES },
 		{ "requires",             LF_REQUIRES },
+		{ "scalecommand",         LF_SCALECMD },
 		{ "scaleoption",          LF_SCALEOPTION },
 		{ "scoption",             LF_SCOPTION },
 		{ "switchdefault",        LF_SWITCHDEFAULT }
@@ -182,21 +427,21 @@ bool LaTeXFont::readFont(Lexer & lex)
 			error = true;
 			continue;
 
-		default: 
+		default:
 			break;
 		}
 		switch (static_cast<LaTeXFontTags>(le)) {
 		case LF_END: // end of structure
 			finished = true;
 			break;
-		case LF_ALT_PACKAGES: {
-			docstring altp;
-			lex >> altp;
-			altpackages_ = getVectorFromString(altp);
+		case LF_ALT_FONTS: {
+			lex.eatLine();
+			docstring altp = lex.getDocString();
+			altfonts_ = getVectorFromString(altp);
 			break;
 		}
-		case LF_COMPLETE_PACKAGE:
-			lex >> completepackage_;
+		case LF_COMPLETE_FONT:
+			lex >> completefont_;
 			break;
 		case LF_FAMILY:
 			lex >> family_;
@@ -204,23 +449,53 @@ bool LaTeXFont::readFont(Lexer & lex)
 		case LF_GUINAME:
 			lex >> guiname_;
 			break;
+		case LF_FONTENC: {
+			lex.eatLine();
+			string fe = lex.getString();
+			fontenc_ = getVectorFromString(fe);
+			break;
+		}
+		case LF_NOMATHFONT:
+			lex >> nomathfont_;
+			break;
 		case LF_OSFOPTION:
 			lex >> osfoption_;
 			break;
-		case LF_OSFPACKAGE:
-			lex >> osfpackage_;
+		case LF_OSFFONT:
+			lex >> osffont_;
+			break;
+		case LF_OSFDEFAULT:
+			lex >> osfdefault_;
+			break;
+		case LF_OSFFONTONLY:
+			lex >> osffontonly_;
 			break;
 		case LF_OSFSCOPTION:
 			lex >> osfscoption_;
 			break;
-		case LF_OT1_PACKAGE:
-			lex >> ot1package_;
+		case LF_OT1_FONT:
+			lex >> ot1font_;
 			break;
 		case LF_PACKAGE:
 			lex >> package_;
 			break;
+		case LF_PACKAGEOPTIONS:
+			lex >> packageoptions_;
+			break;
+		case LF_PREAMBLE:
+			preamble_ = lex.getLongString(from_ascii("EndPreamble"));
+			break;
+		case LF_PROVIDES: {
+			lex.eatLine();
+			string features = lex.getString();
+			provides_ = getVectorFromString(features);
+			break;
+		}
 		case LF_REQUIRES:
-			lex >> requires_;
+			lex >> required_;
+			break;
+		case LF_SCALECMD:
+			lex >> scalecmd_;
 			break;
 		case LF_SCALEOPTION:
 			lex >> scaleoption_;
@@ -228,6 +503,9 @@ bool LaTeXFont::readFont(Lexer & lex)
 		case LF_SCOPTION:
 			lex >> scoption_;
 			break;
+		case LF_MOREOPTS:
+			lex >> moreopts_;
+			break;
 		case LF_SWITCHDEFAULT:
 			lex >> switchdefault_;
 			break;
@@ -245,6 +523,9 @@ bool LaTeXFont::readFont(Lexer & lex)
 bool LaTeXFont::read(Lexer & lex)
 {
 	switchdefault_ = 0;
+	osfdefault_ = 0;
+	moreopts_ = 0;
+	osffontonly_ = 0;
 
 	if (!lex.next()) {
 		lex.printError("No name given for LaTeX font: `$$Token'.");
@@ -258,25 +539,8 @@ bool LaTeXFont::read(Lexer & lex)
 		return false;
 	}
 
-	bool available = true;
-	if (!requires_.empty())
-		available = LaTeXFeatures::isAvailable(to_ascii(requires_));
-	else if (!package_.empty()) {
-		available = LaTeXFeatures::isAvailable(to_ascii(package_));
-		if (!available && !altpackages_.empty()) {
-			for (size_t i = 0; i < altpackages_.size(); ++i) {
-				available = LaTeXFeatures::isAvailable(to_ascii(altpackages_[i]));
-				if (available)
-					break;
-			}
-		}
-	}
-	available_ = available;
-
-	if (!ot1package_.empty() && ot1package_ != "none")
-		available_ot1_ = LaTeXFeatures::isAvailable(to_ascii(ot1package_));
-	else
-		available_ot1_ = available;
+	if (fontenc_.empty())
+		fontenc_.push_back("T1");
 
 	return true;
 }
@@ -302,7 +566,8 @@ void LaTeXFonts::readLaTeXFonts()
 		default:
 			break;
 		}
-		if (lex.getString() != "Font") {
+		string const type = lex.getString();
+		if (type != "Font" && type != "AltFont") {
 			lex.printError("Unknown LaTeXFont tag `$$Token'");
 			continue;
 		}
@@ -311,7 +576,10 @@ void LaTeXFonts::readLaTeXFonts()
 		if (!lex)
 			break;
 
-		texfontmap_[f.name()] = f;
+		if (type == "AltFont")
+			texaltfontmap_[f.name()] = f;
+		else
+			texfontmap_[f.name()] = f;
 	}
 }
 
@@ -326,10 +594,30 @@ LaTeXFonts::TexFontMap LaTeXFonts::getLaTeXFonts()
 
 LaTeXFont LaTeXFonts::getLaTeXFont(docstring const & name)
 {
+	if (name == "default" || name == "auto")
+		return LaTeXFont();
 	if (texfontmap_.empty())
 		readLaTeXFonts();
+	if (texfontmap_.find(name) == texfontmap_.end()) {
+		LYXERR0("LaTeXFonts::getLaTeXFont: font '" << name << "' not found!");
+		return LaTeXFont();
+	}
 	return texfontmap_[name];
 }
 
 
+LaTeXFont LaTeXFonts::getAltFont(docstring const & name)
+{
+	if (name == "default" || name == "auto")
+		return LaTeXFont();
+	if (texaltfontmap_.empty())
+		readLaTeXFonts();
+	if (texaltfontmap_.find(name) == texaltfontmap_.end()) {
+		LYXERR0("LaTeXFonts::getAltFont: alternative font '" << name << "' not found!");
+		return LaTeXFont();
+	}
+	return texaltfontmap_[name];
+}
+
+
 } // namespace lyx