remove lyxrc dependence from support/*

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

diff --git a/src/support/docstring.h b/src/support/docstring.h
index 1cff5109a0d22bb4bf5c1c71c7ca284f394b5a0c..8c9a1f56d016bf930128a0c9bf5a6eb3045505bb 100644 (file)
--- a/src/support/docstring.h
+++ b/src/support/docstring.h
@@ -16,6 +16,7 @@
 #include "support/types.h"
 
 #include <string>
+#include <typeinfo>
 
 namespace lyx {
 
@@ -37,7 +38,32 @@ docstring const from_utf8(std::string const &);
 /// Creates a UTF8 string from a docstring. This should go eventually.
 std::string const to_utf8(docstring const &);
 
-}
+/// convert \p s from the encoding of the locale to ucs4.
+docstring const from_local8bit(std::string const & s);
+
+/// Exception thrown by to_local8bit if the string could not be converted
+class to_local8bit_failure : public std::bad_cast {
+public:
+       to_local8bit_failure() throw() : std::bad_cast() {}
+       virtual ~to_local8bit_failure() throw() {}
+       virtual const char* what() const throw();
+};
+
+/**
+ * Convert \p s from ucs4 to the encoding of the locale.
+ * This may fail and throw an exception, the caller is expected to act
+ * appropriately.
+ */
+std::string const to_local8bit(docstring const & s);
+
+/// convert \p s from the encoding of the file system to ucs4.
+docstring const from_filesystem8bit(std::string const & s);
+
+/// convert \p s from ucs4 to the encoding of the file system.
+std::string const to_filesystem8bit(docstring const & s);
+
+/// normalize \p s to precomposed form c
+docstring const normalize_c(docstring const & s);
 
 /// Compare a docstring with a C string of ASCII characters
 bool operator==(lyx::docstring const &, char const *);
@@ -64,13 +90,15 @@ lyx::docstring operator+(lyx::docstring const & l, char r);
 lyx::docstring operator+(char l, lyx::docstring const & r);
 
 /// Append a C string of ASCII characters to a docstring
-lyx::docstring operator+=(lyx::docstring &, char const *);
+lyx::docstring & operator+=(lyx::docstring &, char const *);
 
 /// Append a single ASCII character to a docstring
-lyx::docstring operator+=(lyx::docstring & l, char r);
+lyx::docstring & operator+=(lyx::docstring & l, char r);
+
+} // namespace lyx
 
 
-#if SIZEOF_WCHAR_T != 4 && defined(__GNUC__) && defined(__GNUC_MINOR__) && __GNUC__ == 3 && __GNUC_MINOR__ < 4
+#if ! defined(USE_WCHAR_T) && defined(__GNUC__) && defined(__GNUC_MINOR__) && __GNUC__ == 3 && __GNUC_MINOR__ < 4
 // Missing char_traits methods in gcc 3.3 and older. Taken from gcc 4.2svn.
 namespace std {