X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FLaTeXFeatures.h;h=71004be4cadc73c130b057f65e79a30ef0692209;hb=84d4d45daa9e0b1a18ab0133c6caa5f34e7f8616;hp=9bb50f57cfa6dc00485be95e19f369657f7c343c;hpb=cc5dd37a2a051778429836331206b5c7800dee16;p=lyx.git

diff --git a/src/LaTeXFeatures.h b/src/LaTeXFeatures.h
index 9bb50f57cf..71004be4ca 100644
--- a/src/LaTeXFeatures.h
+++ b/src/LaTeXFeatures.h
@@ -43,6 +43,13 @@ class Language;
  */
 class LaTeXFeatures {
 public:
+	/// Which Language package do we use?
+	enum LangPackage {
+		LANG_PACK_NONE,
+		LANG_PACK_BABEL,
+		LANG_PACK_POLYGLOSSIA,
+		LANG_PACK_CUSTOM
+	};
 	///
 	LaTeXFeatures(Buffer const &, BufferParams const &,
 		      OutputParams const &);
@@ -56,12 +63,14 @@ public:
 	std::string const getBabelPresettings() const;
 	/// Extra preamble code after babel is called
 	std::string const getBabelPostsettings() const;
-	/// Do we need to pass the languages to babel directly? 
+	/// Do we need to pass the languages to babel directly?
 	bool needBabelLangOptions() const;
+	/// Load AMS packages when appropriate
+	std::string const loadAMSPackages() const;
 	/// The definitions needed by the document's textclass
 	docstring const getTClassPreamble() const;
 	/// The language dependent definitions needed by the document's textclass
-	docstring const getTClassI18nPreamble(bool use_babel) const;
+	docstring const getTClassI18nPreamble(bool use_babel, bool use_polyglossia) const;
 	///
 	docstring const getTClassHTMLStyles() const;
 	///
@@ -80,19 +89,24 @@ public:
 	void addPreambleSnippet(std::string const &);
 	///
 	std::string getPreambleSnippets() const;
+	///
+	void addCSSSnippet(std::string const &);
+	///
+	std::string getCSSSnippets() const;
 	/// Add a feature name requirements
 	void require(std::string const & name);
 	/// Add a set of feature names requirements
 	void require(std::set<std::string> const & names);
-	/// Which of the required packages are installed?
-	static void getAvailable();
 	/// Is the (required) package available?
 	static bool isAvailable(std::string const & name);
 	/// Has the package been required?
 	bool isRequired(std::string const & name) const;
-	/* Is it necessary to load the package? This is true if
-	   isRequired is true and the feature is not provided by the
-	   textclass.
+	/** Is this feature already provided
+	 *  e.g. by the document class?
+	*/
+	bool isProvided(std::string const & name) const;
+	/** Is it necessary to load the package? This is true if
+	    isRequired is true and the feature is not already provided
 	*/
 	bool mustProvide(std::string const & name) const;
 	///
@@ -101,8 +115,14 @@ public:
 	void useLanguage(Language const *);
 	///
 	bool hasLanguages() const;
+	/// check if all used languages are supported by polyglossia
+	bool hasOnlyPolyglossiaLanguages() const;
+	/// check if a language is supported only by polyglossia
+	bool hasPolyglossiaExclusiveLanguages() const;
 	///
-	std::string getLanguages() const;
+	std::string getBabelLanguages() const;
+	///
+	std::map<std::string, std::string> getPolyglossiaLanguages() const;
 	///
 	std::set<std::string> getEncodingSet(std::string const & doc_encoding) const;
 	///
@@ -115,14 +135,22 @@ public:
 	void setBuffer(Buffer const &);
 	///
 	BufferParams const & bufferParams() const;
-	/// the return value is dependent upon both LyXRC and LaTeXFeatures.
-	bool useBabel() const;
+	/** Which language package do we require? \p englishbabel determines
+	 *  if we require babel even if English is the only language.
+	 */
+	LangPackage langPackage() const;
+	/// Convenience function to test if we use babel
+	bool useBabel() const { return langPackage() == LANG_PACK_BABEL; }
+	/// Convenience function to test if we use polyglossia
+	bool usePolyglossia() const { return langPackage() == LANG_PACK_POLYGLOSSIA; }
 	/// are we in a float?
 	bool inFloat() const { return in_float_; }
 	/// are we in a float?
 	void inFloat(bool const b) { in_float_ = b; }
 	/// Runparams that will be used for exporting this file.
 	OutputParams const & runparams() const { return runparams_; }
+	/// Resolve alternatives like "esint|amsmath|wasysym"
+	void resolveAlternatives();
 	///
 	void setHTMLTitle(docstring const & t) { htmltitle_ = t; }
 	///
@@ -141,10 +169,8 @@ private:
 	typedef std::list<std::string> SnippetList;
 	///
 	SnippetList preamble_snippets_;
-	/// The available (required) packages
-	typedef std::set<std::string> Packages;
 	///
-	static Packages packages_;
+	SnippetList css_snippets_;
 	///
 	typedef std::set<Language const *> LanguageList;
 	/// used languages (only those that are supported by babel)