X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fencoding.h;h=f07fb645a47090ea27c9622a6d8bbdbb7c6177c1;hb=e53e4d06726919c0fbf386bbe8f9d62a640b74d7;hp=c64a84517ac7f5e22dfdef7d3631e41c0face36d;hpb=80d7f70dc340e8b1ab29d38284b8327d13757196;p=lyx.git

diff --git a/src/encoding.h b/src/encoding.h
index c64a84517a..f07fb645a4 100644
--- a/src/encoding.h
+++ b/src/encoding.h
@@ -1,24 +1,29 @@
 // -*- C++ -*-
-/* This file is part of
- * ======================================================
+/**
+ * \file encoding.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           LyX, The Document Processor
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
  *
- *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2001 The LyX Team.
- *
- * ====================================================== */
+ * Full author contact details are available in file CREDITS.
+ */
 
 #ifndef ENCODING_H
 #define ENCODING_H
 
-#include "LString.h"
-#include "lyxrc.h"
+#include "support/docstring.h"
 
 #include <map>
+#include <set>
+
+namespace lyx {
+
+namespace support { class FileName; }
+
+class LaTeXFeatures;
 
-///
-typedef unsigned short int Uchar;
 
 ///
 class Encoding {
@@ -26,48 +31,74 @@ public:
 	///
 	Encoding() {}
 	///
-	Encoding(string const & n, string const & l, Uchar const * e)
-		: Name_(n), LatexName_(l) {
-		for (int i = 0; i < 256; ++i)
-			encoding_table[i] = e[i];
-	}
-	///
-	string const & Name() const {
-		return Name_;
-	}
-	///
-	string const & LatexName() const {
-		return LatexName_;
-	}
-	///
-	Uchar ucs(unsigned char c) const {
-		return encoding_table[c];
-	}
+	Encoding(std::string const & n, std::string const & l,
+	         std::string const & i);
+	///
+	std::string const & name() const { return Name_; }
+	///
+	std::string const & latexName() const { return LatexName_; }
+	///
+	std::string const & iconvName() const { return iconvName_; }
+	/**
+	 * Convert \p c to something that LaTeX can understand.
+	 * This is either the character itself (if it is representable
+	 * in this encoding), or a LaTeX macro.
+	 * If the character is not representable in this encoding, but no
+	 * LaTeX macro is known, a warning is given of lyxerr, and the
+	 * character is returned.
+	 */
+	docstring const latexChar(char_type c) const;
+	/// Add the preamble snippet needed for the output of latexChar(c)
+	/// to \p features.
+	void validate(char_type c, LaTeXFeatures & features) const;
 private:
 	///
-	string Name_;
+	std::string Name_;
 	///
-	string LatexName_;
+	std::string LatexName_;
 	///
-	Uchar encoding_table[256];
+	std::string iconvName_;
+	///
+	typedef std::set<char_type> CharSet;
+	/// Set of UCS4 characters that we can encode (for singlebyte
+	/// encodings only)
+	CharSet encodable_;
+	/// All code points below this are encodable. This helps us to avoid
+	/// lokup of ASCII characters in encodable_ and gives about 1 sec
+	/// speedup on export of the Userguide.
+	char_type start_encodable_;
 };
 
-extern Encoding symbol_encoding;
-
 class Encodings {
 public:
 	///
-	typedef std::map<string, Encoding> EncodingList;
+	typedef std::map<std::string, Encoding> EncodingList;
+	/// iterator to iterate over all encodings.
+	/// We hide the fact that our encoding list is implemented as a map.
+	class const_iterator : public EncodingList::const_iterator {
+		typedef EncodingList::const_iterator base;
+	public:
+		const_iterator() : base() {}
+		const_iterator(base const & b) : base(b) {}
+		Encoding const & operator*() const { return base::operator*().second; }
+		Encoding const * operator->() const { return &(base::operator*().second); }
+	};
 	///
 	Encodings();
+	/// Read the encodings.
+	/// \param encfile encodings definition file
+	/// \param symbolsfile unicode->LaTeX mapping file
+	void read(support::FileName const & encfile,
+	          support::FileName const & symbolsfile);
+	/// Get encoding from LyX name \p name
+	Encoding const * getFromLyXName(std::string const & name) const;
+	/// Get encoding from LaTeX name \p name
+	Encoding const * getFromLaTeXName(std::string const & name) const;
+
 	///
-	void read(string const & filename);
-	///
-	Encoding const * getEncoding(string const & encoding) const;
+	const_iterator begin() const { return encodinglist.begin(); }
 	///
-	Encoding const * symbol_encoding() {
-		return &symbol_encoding_;
-	}
+	const_iterator end() const { return encodinglist.end(); }
 
 	///
 	enum Letter_Form {
@@ -81,28 +112,26 @@ public:
 		FORM_MEDIAL
 	};
 	///
-	static
-	bool IsComposeChar_hebrew(unsigned char c);
+	static bool isComposeChar_hebrew(char_type c);
 	///
-	static
-	bool IsComposeChar_arabic(unsigned char c);
+	static bool isComposeChar_arabic(char_type c);
 	///
-	static
-	bool is_arabic_special(unsigned char c);
+	static bool is_arabic_special(char_type c);
 	///
-	static
-	bool is_arabic(unsigned char c);
+	static bool is_arabic(char_type c);
 	///
-	static
-	unsigned char TransformChar(unsigned char c, Letter_Form form);
+	static char_type transformChar(char_type c, Letter_Form form);
+	/// Is this a combining char?
+	static bool isCombiningChar(char_type c);
 
 private:
 	///
 	EncodingList encodinglist;
-	///
-	Encoding symbol_encoding_;
 };
 
 extern Encodings encodings;
 
+
+} // namespace lyx
+
 #endif