X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fsupport%2Fdocstring.h;h=5eea0111a3a6f06bd450344d28e99fc7ccdd2dec;hb=ee9ff6cb0cd7d8b0ef3c18e5bd166e12580a3bf4;hp=165772cdf28d4ad5b84fe82c56d763d81dbacfa3;hpb=a5263e0f927034885870a65053ef3908d1c6f885;p=lyx.git

diff --git a/src/support/docstring.h b/src/support/docstring.h
index 165772cdf2..5eea0111a3 100644
--- a/src/support/docstring.h
+++ b/src/support/docstring.h
@@ -19,9 +19,85 @@
 
 namespace lyx {
 
-/// String type for storing the main text in UCS4 encoding
+/**
+ * String type for storing the main text in UCS4 encoding.
+ * Use std::string only in cases 7-bit ASCII is to be manipulated
+ * within the variable.
+ */
 typedef std::basic_string<char_type> docstring;
 
+/// Creates a docstring from a C string of ASCII characters
+docstring const from_ascii(char const *);
+
+/// Creates a docstring from a std::string of ASCII characters
+docstring const from_ascii(std::string const &);
+
+/// Creates a std::string of ASCII characters from a docstring
+std::string const to_ascii(docstring const &);
+
+/// Creates a docstring from a UTF8 string. This should go eventually.
+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);
+
+/**
+ * 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);
+
+/// convert \p s from ucs4 to the \p encoding.
+std::string const to_iconv_encoding(docstring const & s,
+				    std::string const & encoding);
+
+/// convert \p s from \p encoding to ucs4.
+docstring const from_iconv_encoding(std::string const & s,
+				    std::string const & encoding);
+
+/// 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==(docstring const &, char const *);
+
+/// Compare a C string of ASCII characters with a docstring
+inline bool operator==(char const * l, docstring const & r) { return r == l; }
+
+/// Compare a docstring with a C string of ASCII characters
+inline bool operator!=(docstring const & l, char const * r) { return !(l == r); }
+
+/// Compare a C string of ASCII characters with a docstring
+inline bool operator!=(char const * l, docstring const & r) { return !(r == l); }
+
+/// Concatenate a docstring and a C string of ASCII characters
+docstring operator+(docstring const &, char const *);
+
+/// Concatenate a C string of ASCII characters and a docstring
+docstring operator+(char const *, docstring const &);
+
+/// Concatenate a docstring and a single ASCII character
+docstring operator+(docstring const & l, char r);
+
+/// Concatenate a single ASCII character and a docstring
+docstring operator+(char l, docstring const & r);
+
+/// Append a C string of ASCII characters to a docstring
+docstring & operator+=(docstring &, char const *);
+
+/// Append a single ASCII character to a docstring
+docstring & operator+=(docstring & l, char r);
+
 } // namespace lyx