#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>
\endcode, not \code
os << c;
\endcode . The latter will not output the character, but the code point
- as number. This is because we can't overload operator<< (our character
- type is not a real type but a typedef). Narrow characters of type char
- can be output as usual.
+ as number if USE_WCHAR_T is not defined. This is because we can't overload
+ operator<< (our character type is not always a real type but sometimes a
+ typedef). Narrow characters of type char can be output as usual.
*/
typedef std::basic_ostream<char_type> odocstream;
/// File stream for reading UTF8-encoded files with automatic conversion to
/// UCS4.
-class idocfstream : public std::basic_ifstream<char_type> {
+class ifdocstream : public std::basic_ifstream<char_type> {
typedef std::basic_ifstream<char_type> base;
public:
- idocfstream();
- explicit idocfstream(const char* s,
- std::ios_base::openmode mode = std::ios_base::in);
- ~idocfstream() {}
+ ifdocstream();
+ explicit ifdocstream(const char* s,
+ std::ios_base::openmode mode = std::ios_base::in,
+ std::string const & encoding = "UTF-8");
+ ~ifdocstream() {}
};
/// File stream for writing files in 8bit encoding \p encoding with automatic
/// conversion from UCS4.
-class odocfstream : public std::basic_ofstream<char_type> {
+
+class ofdocstream : public std::basic_ofstream<char_type> {
typedef std::basic_ofstream<char_type> base;
public:
- odocfstream(std::string const & encoding = "UTF-8");
- explicit odocfstream(const char* s,
+ ofdocstream();
+ explicit ofdocstream(const char* s,
std::ios_base::openmode mode = std::ios_base::out|std::ios_base::trunc,
std::string const & encoding = "UTF-8");
- ~odocfstream() {}
+ ~ofdocstream() {}
+ ///
+ void reset(std::string const & encoding);
};
+
+
/// 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 &);
-inline
-odocstream & operator<<(odocstream & os, char c)
-{
- os.put(c);
- return os;
-}
+/** 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.
+ The class also records the last output character and can tell whether
+ a paragraph break was just output.
+ */
+
+class otexstream {
+public:
+ ///
+ otexstream(odocstream & os, TexRow & texrow)
+ : os_(os), texrow_(texrow), canbreakline_(false),
+ protectspace_(false), parbreak_(true), lastchar_(0) {}
+ ///
+ 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_; }
+ ///
+ void lastChar(char_type const & c)
+ {
+ parbreak_ = (!canbreakline_ && c == '\n');
+ canbreakline_ = (c != '\n');
+ lastchar_ = c;
+ }
+ ///
+ char_type lastChar() const { return lastchar_; }
+ ///
+ bool afterParbreak() const { return parbreak_; }
+private:
+ ///
+ odocstream & os_;
+ ///
+ TexRow & texrow_;
+ ///
+ bool canbreakline_;
+ ///
+ bool protectspace_;
+ ///
+ bool parbreak_;
+ ///
+ char_type lastchar_;
+};
+
+/// 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 &, std::string 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) {}
+ std::string encoding;
+};
+
+/// Helper function for changing stream encoding
+SetEnc setEncoding(std::string const & encoding);
+
+/** Change the encoding of \p os to \p e.encoding.
+ \p e.encoding must be a valid iconv name of an 8bit encoding.
+ This does nothing if the stream is not a file stream, since only
+ file streams do have an associated 8bit encoding.
+ Usage: \code
+ os << setEncoding("ISO-8859-1");
+ \endcode
+ */
+odocstream & operator<<(odocstream & os, SetEnc e);
+idocstream & operator<<(idocstream & os, SetEnc e);
}
projects / lyx.git / blobdiff