#ifndef LYX_DOCSTREAM_H
#define LYX_DOCSTREAM_H
-#include "TexRow.h"
#include "support/docstring.h"
-#if defined(_MSC_VER) && (_MSC_VER >= 1600)
-// Ugly workaround for MSVC10 STL bug:
-// std::numpunct has a hardcoded dllimport in definition, but we wanna it with 32 bit
-// so we can't import it and must define it but then the compiler complains.
-#include "support/numpunct_lyx_char_type.h"
-#endif
-
#include <fstream>
#include <sstream>
class iconv_codecvt_facet_exception : public std::exception {
public:
- virtual ~iconv_codecvt_facet_exception() throw() {}
- virtual const char * what() const throw();
+ virtual ~iconv_codecvt_facet_exception() noexcept {}
+ const char * what() const noexcept override;
};
/// Base class for UCS4 input streams
*/
typedef std::basic_ostream<char_type> odocstream;
+struct SetEnc;
+
/// File stream for reading UTF8-encoded files with automatic conversion to
/// UCS4.
+/// Buffering must be switched off if the encoding is changed after
+/// construction by calling rdbuf()->pubsetbuf(0, 0).
class ifdocstream : public std::basic_ifstream<char_type> {
typedef std::basic_ifstream<char_type> base;
public:
ifdocstream();
+ /// Create a stream with a specific encoding \p enc.
+ /// We must not pass \p enc as string, to avoid confusing it with a file name.
+ explicit ifdocstream(SetEnc const & enc);
explicit ifdocstream(const char* s,
std::ios_base::openmode mode = std::ios_base::in,
std::string const & encoding = "UTF-8");
typedef std::basic_ofstream<char_type> base;
public:
ofdocstream();
+ /// Create a stream with a specific encoding \p enc.
+ /// We must not pass \p enc as string, to avoid confusing it with a file name.
+ explicit ofdocstream(SetEnc const & enc);
explicit ofdocstream(const char* s,
std::ios_base::openmode mode = std::ios_base::out|std::ios_base::trunc,
std::string const & encoding = "UTF-8");
/// UCS4 input stringstream
typedef std::basic_istringstream<char_type> idocstringstream;
-/// UCS4 output stringstream
-typedef std::basic_ostringstream<char_type> odocstringstream;
-
/// UCS4 output manipulator
typedef odocstream & (*odocstream_manip)(odocstream &);
-/** Wrapper class for odocstream.
- This class is used to automatically count the lines of the exported latex
- code and also to ensure that no blank lines may be inadvertently output.
- To this end, use the special variables "breakln" and "safebreakln" as if
- they were iomanip's to ensure that the next output will start at the
- beginning of a line. Using "breakln", a '\n' char will be output if needed,
- while using "safebreakln", "%\n" will be output if needed.
- */
-
-class otexstream {
-public:
- ///
- otexstream(odocstream & os, TexRow & texrow)
- : os_(os), texrow_(texrow),
- canbreakline_(false), protectspace_(false) {}
- ///
- odocstream & os() { return os_; }
- ///
- TexRow & texrow() { return texrow_; }
- ///
- void put(char_type const & c);
- ///
- void canBreakLine(bool breakline) { canbreakline_ = breakline; }
- ///
- bool canBreakLine() const { return canbreakline_; }
- ///
- void protectSpace(bool protectspace) { protectspace_ = protectspace; }
- ///
- bool protectSpace() const { return protectspace_; }
-private:
- ///
- odocstream & os_;
- ///
- TexRow & texrow_;
- ///
- bool canbreakline_;
- ///
- bool protectspace_;
-};
-
-/// Helper structs for breaking a line
-struct BreakLine {
- char n;
-};
-
-struct SafeBreakLine {
- char n;
-};
-
-extern BreakLine breakln;
-extern SafeBreakLine safebreakln;
-
-///
-otexstream & operator<<(otexstream &, BreakLine);
-///
-otexstream & operator<<(otexstream &, SafeBreakLine);
-///
-otexstream & operator<<(otexstream &, odocstream_manip);
-///
-otexstream & operator<<(otexstream &, docstring const &);
-///
-otexstream & operator<<(otexstream &, char const *);
-///
-otexstream & operator<<(otexstream &, char);
-///
-template <typename Type>
-otexstream & operator<<(otexstream & ots, Type value);
/// Helper struct for changing stream encoding
struct SetEnc {
- SetEnc(std::string const & e) : encoding(e) {}
+ /**
+ * It is important that this constructor is explicit.
+ * Otherwise the attempt to output a std::string to an odocstream
+ * would compile, but cause a (probably failing) encoding change
+ * instead of string output (we do not define
+ * operator<<(odocstream &, std::string) since we want to avoid
+ * outputting strings with unspecified encoding)
+ */
+ explicit SetEnc(std::string const & e) : encoding(e) {}
std::string encoding;
};
os << setEncoding("ISO-8859-1");
\endcode
*/
-odocstream & operator<<(odocstream & os, SetEnc e);
-idocstream & operator<<(idocstream & os, SetEnc e);
+odocstream & operator<<(odocstream & os, SetEnc const & e);
+idocstream & operator<<(idocstream & os, SetEnc const & e);
-}
+} // namespace lyx
#endif