#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 {
///
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];
- }
+ Encoding(std::string const & n, std::string const & l,
+ std::string const & i);
///
- string const & Name() const {
- return Name_;
- }
+ std::string const & name() const { return Name_; }
///
- string const & LatexName() const {
- return LatexName_;
- }
+ std::string const & latexName() const { return LatexName_; }
///
- Uchar ucs(unsigned char c) const {
- return encoding_table[c];
- }
+ 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;
private:
///
- string Name_;
+ std::string Name_;
+ ///
+ std::string LatexName_;
///
- string LatexName_;
+ std::string iconvName_;
///
- Uchar encoding_table[256];
+ 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 {
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);
+ /**
+ * Add the preamble snippet needed for the output of \p c to
+ * \p features.
+ * This does not depend on the used encoding, since the inputenc
+ * package only maps the code point \p c to a command, it does not
+ * make this command available.
+ */
+ static void validate(char_type c, LaTeXFeatures & features);
private:
///
EncodingList encodinglist;
- ///
- Encoding symbol_encoding_;
};
extern Encodings encodings;
+
+} // namespace lyx
+
#endif