lyx_mirror/src/support/os.h
André Pönitz a5263e0f92 introduce a header to forward declare std::string.
hope there are only conforming implementaions out there ;-}


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21312 a592a061-630c-0410-9148-cb99ea01b6c8
2007-10-31 22:40:34 +00:00

118 lines
3.2 KiB
C++

// -*- C++ -*-
/**
* \file os.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Ruurd A. Reitsma
*
* Full author contact details are available in file CREDITS.
*
* wrap OS-specific stuff
*/
#ifndef OS_H
#define OS_H
#include "support/strfwd.h"
#include <cstddef>
namespace lyx {
namespace support {
namespace os {
enum shell_type {
UNIX, // Do we have to distinguish sh and csh?
CMD_EXE
};
/// Do some work just once.
void init(int argc, char * argv[]);
/// Returns the name of the NULL device (/dev/null, null).
std::string const & nulldev();
/// Returns "/" on *nix, "C:/", etc on Windows.
std::string current_root();
///
shell_type shell();
/// Name of the python interpreter
std::string const python();
/// Extract the path common to both @c p1 and @c p2. DBCS aware!
/// \p p1, \p p2 and the return value are encoded in utf8.
std::size_t common_path(docstring const & p1, docstring const & p2);
/// Converts a unix style path to host OS style.
/// \p p and the return value are encoded in utf8.
std::string external_path(std::string const & p);
/// Converts a host OS style path to unix style.
/// \p p and the return value are encoded in utf8.
std::string internal_path(std::string const & p);
/// Converts a unix style path list to host OS style.
/// \p p and the return value are encoded in utf8.
std::string external_path_list(std::string const & p);
/// Converts a host OS style path list to unix style.
/// \p p and the return value are encoded in utf8.
std::string internal_path_list(std::string const & p);
/**
* Converts a unix style path into a form suitable for inclusion in a LaTeX
* document.
* \p p is encoded in utf8.
* Caution: This function handles only the OS specific part of that task.
* Never use it directly, use lyx::support::latex_path instead.
*/
std::string latex_path(std::string const & p);
/// Is the path absolute?
/// \p p is encoded in utf8.
bool is_absolute_path(std::string const & p);
/** Returns a string suitable to be passed to popen when
* reading a file.
*/
char const * popen_read_mode();
/** The character used to separate paths returned by the
* PATH environment variable.
*/
char path_separator();
/** If @c use_windows_paths is true, LyX will output Windows-style paths to
* latex files rather than posix ones. Obviously, this option is used only
* under Windows.
*/
void windows_style_tex_paths(bool use_windows_paths);
enum auto_open_mode {
VIEW,
EDIT
};
/** Check whether or not a file can be opened by a default viewer or editor.
* \param extension (without leading .)
* \param mode can be opened in VIEW or EDIT mode
* \returns whether or not the format can be opened according to \p mode
*/
bool canAutoOpenFile(std::string const & ext, auto_open_mode const mode = VIEW);
/** View or edit a file with the default viewer or editor.
* \param filename file to open (encoded in utf8)
* \param mode open in VIEW or EDIT mode
* \returns whether or not the file is viewed (or edited) successfully.
*/
bool autoOpenFile(std::string const & filename, auto_open_mode const mode = VIEW);
} // namespace os
} // namespace support
} // namespace lyx
#endif