Fix samba related crashes

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

diff --git a/src/support/docstream.h b/src/support/docstream.h
index c3db04c58a3a2d2083c55160f6fccc01ee3bdaad..920eafb5f58b529c579dbbe68247d0997c9a4aa7 100644 (file)
--- a/src/support/docstream.h
+++ b/src/support/docstream.h
@@ -12,8 +12,16 @@
 #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>
 
@@ -42,40 +50,109 @@ 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(std::string const & encoding = "UTF-8");
-       explicit idocfstream(const char* s,
+       ifdocstream();
+       explicit ifdocstream(const char* s,
                std::ios_base::openmode mode = std::ios_base::in,
                std::string const & encoding = "UTF-8");
-       ~idocfstream() {}
+       ~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;
 
-inline
-odocstream & operator<<(odocstream & os, char c)
-{
-    os.put(c);
-    return os;
-}
+/// 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 {
@@ -95,6 +172,7 @@ SetEnc setEncoding(std::string const & encoding);
     \endcode
  */
 odocstream & operator<<(odocstream & os, SetEnc e);
+idocstream & operator<<(idocstream & os, SetEnc e);
 
 }