Don't allow newline characters in document settings.

[lyx.git] / src / support / unicode.h

diff --git a/src/support/unicode.h b/src/support/unicode.h
index 3cf1d5bb7611540578fe4fba0d44d24987f485c7..6e83180c10692edcbe03fcba4af10fb7a6d6c407 100644 (file)
--- a/src/support/unicode.h
+++ b/src/support/unicode.h
@@ -3,7 +3,7 @@
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
  *
  * Full author contact details are available in file CREDITS.
  *
@@ -13,11 +13,9 @@
 #ifndef LYX_SUPPORT_UNICODE_H
 #define LYX_SUPPORT_UNICODE_H
 
-#include "support/types.h"
+#include "support/strfwd.h"
 
-#include <boost/scoped_ptr.hpp>
-
-#include <string>
+#include <cstddef>
 #include <vector>
 
 
@@ -26,34 +24,31 @@ namespace lyx {
 class IconvProcessor
 {
 public:
-       IconvProcessor(
-               char const * tocode = "",
-               char const * fromcode = "");
+       IconvProcessor(char const * tocode = "", char const * fromcode = "");
        /// copy constructor needed because of pimpl_
        IconvProcessor(IconvProcessor const &);
        /// assignment operator needed because of pimpl_
-       IconvProcessor & operator=(IconvProcessor const &);
-       /// destructor (needs to be implemented in the .C file because the
-       /// boost::scoped_ptr destructor needs a fully defined type
+       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);
+       int convert(char const * in_buffer, size_t in_size,
+               char * out_buffer, size_t max_out_size);
+
+       /// source encoding
+       std::string from() const;
+       /// target encoding
+       std::string to() const;
+
 private:
        /// open iconv.
        /// \return true if the processor is ready to use.
        bool init();
-
-       std::string tocode_;
-       std::string fromcode_;
-
-       struct Private;
-       boost::scoped_ptr<Private> pimpl_;
+       /// hide internals
+       struct Impl;
+       Impl * pimpl_;
 };
 
 // A single codepoint conversion for utf8_to_ucs4 does not make
@@ -86,11 +81,21 @@ 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);
+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);
 
 extern char const * ucs4_codeset;
 
+/// How many bytes does one UCS4 code point use at most in encoding \p encoding?
+int max_encoded_bytes(std::string const & encoding);
 
 } // namespace lyx