Don't disable apply button if one (or more) of vertical alignment, rotation,

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

diff --git a/src/support/os.h b/src/support/os.h
index f0333a633dad1a16f418acdd0b694471df2a224e..38517d8bda33d830afe94b20f67c08820dfb5ca4 100644 (file)
--- a/src/support/os.h
+++ b/src/support/os.h
@@ -14,7 +14,8 @@
 #ifndef OS_H
 #define OS_H
 
-#include "support/docstring.h"
+#include "support/strfwd.h"
+#include <cstddef>
 
 
 namespace lyx {
@@ -26,9 +27,25 @@ enum shell_type {
        CMD_EXE
 };
 
+enum path_case {
+       CASE_UNCHANGED,
+       CASE_ADJUSTED
+};
+
+enum file_access {
+       EXISTING,
+       CREATE
+};
+
 /// Do some work just once.
 void init(int argc, char * argv[]);
 
+/// Returns the i-th program argument in utf8 encoding.
+std::string utf8_argv(int i);
+
+/// Removes from the internal copy \p num program arguments starting from \p i.
+void remove_internal_args(int i, int num);
+
 /// Returns the name of the NULL device (/dev/null, null).
 std::string const & nulldev();
 
@@ -41,9 +58,14 @@ shell_type shell();
 /// Name of the python interpreter
 std::string const python();
 
+///
+bool isFilesystemCaseSensitive();
+
 /// 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.
-docstring::size_type common_path(docstring const & p1, docstring const & p2);
+/// \p p1 and \p p2 are encoded in ucs4, \returns the index to the end of
+/// the last matching path component (the index may be pointing after the
+/// end of @c p1 or @c p2 if their last char is not the path separator).
+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.
@@ -53,6 +75,15 @@ std::string external_path(std::string const & p);
 /// \p p and the return value are encoded in utf8.
 std::string internal_path(std::string const & p);
 
+/// Converts a host OS style path to a unicode safe unix style.
+/// On Windows, this is achieved by using the short form of the path,
+/// which can be safely passed to standard I/O functions expecting narrow
+/// char paths even when the path contains non-ascii chars.
+/// As the short form is only available for existing files, if the file is
+/// to be accessed for writing, \param how should be set to CREATE.
+/// \p p and the return value are encoded in utf8.
+std::string safe_internal_path(std::string const & p, file_access how = EXISTING);
+
 /// 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);
@@ -70,9 +101,8 @@ std::string internal_path_list(std::string const & p);
  */
 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);
+/// Checks if the format string is suitable on the OS
+bool is_valid_strftime(std::string const & p);
 
 /** Returns a string suitable to be passed to popen when
  *  reading a file.
@@ -109,18 +139,22 @@ bool canAutoOpenFile(std::string const & ext, auto_open_mode const mode = VIEW);
  */
 bool autoOpenFile(std::string const & filename, auto_open_mode const mode = VIEW);
 
-/** General font utilities.
- *  FIXME: only MAC and WIN32 for now but it would be nice to convince
- *  fontconfig to do the same for linux.
- */
-
-/// Add fonts to the font subsystem, must be called before Application
-/// is initialized.
-void addFontResources();
-
-/// Restore original font resources, must be called after Application
-/// is destroyed.
-void restoreFontResources();
+/** Resolves a path such that it does not contain '.', '..', or symbolic links.
+  * \p path and the return value are encoded in utf8.
+  */
+std::string real_path(std::string const & path);
+
+/** Checks whether \param path starts with \param pre, accounting for case
+  * insensitive file systems.
+  */
+bool path_prefix_is(std::string const & path, std::string const & pre);
+
+/** Checks whether \param path starts with \param pre, accounting for case
+  * insensitive file systems. If true, the file system is case insensitive,
+  * and \param how == CASE_ADJUSTED, the case of the matching prefix in
+  * @c path is made equal to that of @c pre.
+  */
+bool path_prefix_is(std::string & path, std::string const & pre, path_case how = CASE_UNCHANGED);
 
 } // namespace os
 } // namespace support