#ifndef LYX_SUPPORT_UNICODE_H
#define LYX_SUPPORT_UNICODE_H
-#include "support/types.h"
+#include "support/strfwd.h"
#include <vector>
-// utf8_to_ucs4
+
+namespace lyx {
+
+class IconvProcessor
+{
+public:
+ IconvProcessor(char const * tocode = "", char const * fromcode = "");
+ /// copy constructor needed because of pimpl_
+ IconvProcessor(IconvProcessor const &);
+ /// assignment operator needed because of pimpl_
+ void operator=(IconvProcessor const &);
+ /// destructor
+ ~IconvProcessor();
+
+ /// convert any data from \c fromcode to \c tocode unicode format.
+ /// \return the number of bytes of the converted output buffer.
+ int convert(char const * in_buffer, size_t in_size,
+ char * out_buffer, size_t max_out_size);
+
+private:
+ /// open iconv.
+ /// \return true if the processor is ready to use.
+ bool init();
+ /// hide internals
+ struct Impl;
+ Impl * pimpl_;
+};
// A single codepoint conversion for utf8_to_ucs4 does not make
// sense, so that function is left out.
-std::vector<lyx::char_type>
-utf8_to_ucs4(std::vector<char> const & utf8str);
+std::vector<char_type> utf8_to_ucs4(std::vector<char> const & utf8str);
-std::vector<lyx::char_type>
-utf8_to_ucs4(char const * utf8str, size_t ls);
+std::vector<char_type> utf8_to_ucs4(char const * utf8str, size_t ls);
-// ucs2_to_ucs4
+// utf16_to_ucs4
-lyx::char_type
-ucs2_to_ucs4(unsigned short c);
+std::vector<char_type> utf16_to_ucs4(unsigned short const * s, size_t ls);
-std::vector<lyx::char_type>
-ucs2_to_ucs4(std::vector<unsigned short> const & ucs2str);
+// ucs4_to_utf16
-std::vector<lyx::char_type>
-ucs2_to_ucs4(unsigned short const * ucs2str, size_t ls);
+std::vector<unsigned short> ucs4_to_utf16(char_type const * s, size_t ls);
-// ucs4_to_ucs2
+// ucs4_to_utf8
-unsigned short
-ucs4_to_ucs2(lyx::char_type c);
+std::vector<char> ucs4_to_utf8(char_type c);
-std::vector<unsigned short>
-ucs4_to_ucs2(std::vector<lyx::char_type> const & ucs4str);
+std::vector<char> ucs4_to_utf8(std::vector<char_type> const & ucs4str);
-std::vector<unsigned short>
-ucs4_to_ucs2(lyx::char_type const * s, size_t ls);
+std::vector<char> ucs4_to_utf8(char_type const * ucs4str, size_t ls);
-// ucs4_to_utf8
+/// convert \p s from encoding \p encoding to ucs4.
+/// \p encoding must be a valid iconv 8bit encoding
+std::vector<char_type>
+eightbit_to_ucs4(char const * s, size_t ls, std::string const & encoding);
+
+/// convert \p s from ucs4 to encoding \p encoding.
+/// \p encoding must be a valid iconv 8bit encoding
+std::vector<char> ucs4_to_eightbit(char_type const * ucs4str,
+ size_t ls, std::string const & encoding);
+
+/// convert ucs4 character \p c to encoding \p encoding.
+/// \p encoding must be a valid iconv 8bit encoding
+char ucs4_to_eightbit(char_type c, std::string const & encoding);
+
+///
+void ucs4_to_multibytes(char_type ucs4, std::vector<char> & out,
+ std::string const & encoding);
-std::vector<char>
-ucs4_to_utf8(lyx::char_type c);
+extern char const * ucs4_codeset;
-std::vector<char>
-ucs4_to_utf8(std::vector<lyx::char_type> const & ucs4str);
-std::vector<char>
-ucs4_to_utf8(lyx::char_type const * ucs4str, size_t ls);
+} // namespace lyx
#endif