3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Lars Gullik Bjønnes
8 * Full author contact details are available in file CREDITS.
10 * A collection of unicode conversion functions, using iconv.
13 #ifndef LYX_SUPPORT_UNICODE_H
14 #define LYX_SUPPORT_UNICODE_H
16 #include "support/types.h"
28 char const * tocode = "",
29 char const * fromcode = "");
32 /// convert any data from \c fromcode to \c tocode unicode format.
33 /// \return the number of bytes of the converted output buffer.
35 char const * in_buffer,
41 /// \return true if the processor is ready to use.
45 std::string fromcode_;
53 // A single codepoint conversion for utf8_to_ucs4 does not make
54 // sense, so that function is left out.
56 std::vector<lyx::char_type> utf8_to_ucs4(std::vector<char> const & utf8str);
58 std::vector<lyx::char_type> utf8_to_ucs4(char const * utf8str, size_t ls);
62 lyx::char_type ucs2_to_ucs4(unsigned short c);
64 std::vector<lyx::char_type>
65 ucs2_to_ucs4(std::vector<unsigned short> const & ucs2str);
67 std::vector<lyx::char_type>
68 ucs2_to_ucs4(unsigned short const * ucs2str, size_t ls);
72 unsigned short ucs4_to_ucs2(lyx::char_type c);
74 std::vector<unsigned short>
75 ucs4_to_ucs2(std::vector<lyx::char_type> const & ucs4str);
77 std::vector<unsigned short> ucs4_to_ucs2(lyx::char_type const * s, size_t ls);
81 std::vector<char> ucs4_to_utf8(lyx::char_type c);
83 std::vector<char> ucs4_to_utf8(std::vector<lyx::char_type> const & ucs4str);
85 std::vector<char> ucs4_to_utf8(lyx::char_type const * ucs4str, size_t ls);
87 /// convert \p s from encoding \p encoding to ucs4.
88 /// \p encoding must be a valid iconv 8bit encoding
89 std::vector<lyx::char_type>
90 eightbit_to_ucs4(char const * s, size_t ls, std::string const & encoding);
92 /// convert \p s from ucs4 to encoding \p encoding.
93 /// \p encoding must be a valid iconv 8bit encoding
95 ucs4_to_eightbit(lyx::char_type const * ucs4str, size_t ls, std::string const & encoding);
97 extern char const * ucs4_codeset;
98 extern char const * ucs2_codeset;