* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
- * Copyright 1995-2000 The LyX Team.
+ * Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
// three/four times. Don't you think it better to use a macro definition
// (an inlined member of some class)?
-// This should have been a namespace
-#ifdef CXX_WORKING_NAMESPACES
+// Use a namespace if we can, a struct otherwise
namespace lyx {
- ///
- char * getcwd(char * buffer, size_t size);
- ///
- int chdir(char const * name);
- /// generates a checksum
- unsigned long sum(char const * file);
- /// returns a date string (not used currently)
- char * date();
- /// returns the name of the user (not used currently)
- string getUserName();
- ///
- int kill(long int pid, int sig);
- ///
- void abort();
- ///
- int mkdir(char const * pathname, unsigned long int mode);
- ///
- int putenv(char const * str);
+
+///
+string const getcwd();
+///
+int chdir(string const & name);
+/// Returns false if it fails
+bool rename(string const & from, string const & to);
+/// Returns false it it fails
+bool copy(string const & from, string const & to);
+/// generates a checksum
+unsigned long sum(string const & file);
+/// returns a date string (not used currently)
+char * date();
+/// returns the name of the user (not used currently)
+string const getUserName();
+///
+int kill(int pid, int sig);
+///
+void abort();
+///
+int mkdir(string const & pathname, unsigned long int mode);
+///
+int putenv(char const * str);
+///
+int unlink(string const & file);
+///
+int rmdir(string const & file);
+///
+int atoi(string const & nstr);
+///
+string const tempName(string const & dir = string(),
+ string const & mask = string());
+
+
+/** Returns true if var is approximately equal to number with allowed error
+ * of 'error'.
+ *
+ * Reason: A float can be very close to the number, yet still need not be
+ * exactly equal, you can have exp(-10) which is very close to zero but not
+ * zero. If you only need an approximate equality (you usually do), use this
+ * template.
+ *
+ * Usage: if (float_equal(var, number, 0.0001)) { }
+ *
+ * This will check if 'var' is approx. equal to 'number' with error of 1/1000
+ */
+inline bool float_equal(float var, float number, float error)
+{
+ return (number - error <= var && var <= number + error);
}
-#else
-struct lyx {
- ///
- static char * getcwd(char * buffer, size_t size);
- ///
- static int chdir(char const * name);
- /// generates a checksum
- static unsigned long sum(char const * file);
- /// returns a date string (not used currently)
- static char * date();
- /// returns the name of the user (not used currently)
- static string getUserName();
- ///
- static int kill(long int pid, int sig);
- ///
- static void abort();
- ///
- static int mkdir(char const * pathname, unsigned long int mode);
- ///
- static int putenv(char const * str);
-};
-#endif // CXX_WORKING_NAMESPACES
-#endif
+
+} // namespace lyx
+#endif /* LYX_LIB_H */