#ifndef LYX_SUPPORT_UNICODE_H
#define LYX_SUPPORT_UNICODE_H
-#include <boost/cstdint.hpp>
+#include "support/types.h"
+
+#include <string>
#include <vector>
-std::vector<boost::uint32_t>
-utf8_to_ucs4(std::vector<char> const & utf8str);
-std::vector<boost::uint32_t>
+namespace lyx {
+
+class IconvProcessor
+{
+public:
+ IconvProcessor(
+ char const * tocode = "",
+ char const * fromcode = "");
+ ~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();
+
+ std::string tocode_;
+ std::string fromcode_;
+
+ struct Private;
+ Private * pimpl_;
+};
+
+// utf8_to_ucs4
+
+// 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<lyx::char_type> utf8_to_ucs4(char const * utf8str, size_t ls);
+
+// ucs2_to_ucs4
+
+lyx::char_type ucs2_to_ucs4(unsigned short c);
+
+std::vector<lyx::char_type>
ucs2_to_ucs4(std::vector<unsigned short> const & ucs2str);
-std::vector<unsigned short>
-ucs4_to_ucs2(std::vector<boost::uint32_t> const & ucs4str);
+std::vector<lyx::char_type>
+ucs2_to_ucs4(unsigned short const * ucs2str, size_t ls);
+
+// ucs4_to_ucs2
+
+unsigned short ucs4_to_ucs2(lyx::char_type c);
std::vector<unsigned short>
-ucs4_to_ucs2(boost::uint32_t const * s, size_t ls);
+ucs4_to_ucs2(std::vector<lyx::char_type> const & ucs4str);
-unsigned short
-ucs4_to_ucs2(boost::uint32_t c);
+std::vector<unsigned short> ucs4_to_ucs2(lyx::char_type const * s, size_t ls);
-std::vector<char>
-ucs4_to_utf8(std::vector<boost::uint32_t> const & ucs4str);
+// ucs4_to_utf8
+
+std::vector<char> ucs4_to_utf8(lyx::char_type c);
+
+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);
+
+/// convert \p s from encoding \p encoding to ucs4.
+/// \p encoding must be a valid iconv 8bit encoding
+std::vector<lyx::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_utf8(boost::uint32_t c);
+ucs4_to_eightbit(lyx::char_type const * ucs4str, size_t ls, std::string const & encoding);
+
+extern char const * ucs4_codeset;
+extern char const * ucs2_codeset;
+
+
+} // namespace lyx
#endif