1 files changed, 159 insertions, 0 deletions
diff --git a/lib/common/Utils.cpp b/lib/common/Utils.cpp
new file mode 100755
index 00000000..b4d3144b
--- /dev/null
+++ b/lib/common/Utils.cpp
@@ -0,0 +1,159 @@
+// --------------------------------------------------------------------------
+//
+// File
+//		Name:    Utils.cpp
+//		Purpose: Utility function
+//		Created: 2003/07/31
+//
+// --------------------------------------------------------------------------
+
+#include "Box.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+#ifdef SHOW_BACKTRACE_ON_EXCEPTION
+	#include <execinfo.h>
+	#include <stdlib.h>
+#endif
+
+#include "Utils.h"
+#include "CommonException.h"
+
+#include "MemLeakFindOn.h"
+
+// --------------------------------------------------------------------------
+//
+// Function
+//		Name:    SplitString(const std::string &, char, std::vector<std::string> &)
+//		Purpose: Splits a string at a given character
+//		Created: 2003/07/31
+//
+// --------------------------------------------------------------------------
+void SplitString(const std::string &String, char SplitOn, std::vector<std::string> &rOutput)
+{
+	// Split it up.
+	std::string::size_type b = 0;
+	std::string::size_type e = 0;
+	while(e = String.find_first_of(SplitOn, b), e != String.npos)
+	{
+		// Get this string
+		unsigned int len = e - b;
+		if(len >= 1)
+		{
+			rOutput.push_back(String.substr(b, len));
+		}
+		b = e + 1;
+	}
+	// Last string
+	if(b < String.size())
+	{
+		rOutput.push_back(String.substr(b));
+	}
+/*#ifndef NDEBUG
+	TRACE2("Splitting string '%s' on %c\n", String.c_str(), SplitOn);
+	for(unsigned int l = 0; l < rOutput.size(); ++l)
+	{
+		TRACE2("%d = '%s'\n", l, rOutput[l].c_str());
+	}
+#endif*/
+}
+
+#ifdef SHOW_BACKTRACE_ON_EXCEPTION
+void DumpStackBacktrace()
+{
+	void *array[10];
+	size_t size;
+	char **strings;
+	size_t i;
+
+	size = backtrace (array, 10);
+	strings = backtrace_symbols (array, size);
+
+	printf ("Obtained %zd stack frames.\n", size);
+
+	for(i = 0; i < size; i++)
+		printf("%s\n", strings[i]);
+
+	free (strings);
+}
+#endif
+
+
+
+// --------------------------------------------------------------------------
+//
+// Function
+//		Name:    FileExists(const char *)
+//		Purpose: Does a file exist?
+//		Created: 20/11/03
+//
+// --------------------------------------------------------------------------
+bool FileExists(const char *Filename, int64_t *pFileSize, bool TreatLinksAsNotExisting)
+{
+	struct stat st;
+	if(::stat(Filename, &st) != 0)
+	{
+		if(errno == ENOENT)
+		{
+			return false;
+		}
+		else
+		{
+			THROW_EXCEPTION(CommonException, OSFileError);
+		}
+	}
+
+	// is it a file?	
+	if((st.st_mode & S_IFDIR) == 0)
+	{
+		if(TreatLinksAsNotExisting && ((st.st_mode & S_IFLNK) != 0))
+		{
+			return false;
+		}
+	
+		// Yes. Tell caller the size?
+		if(pFileSize != 0)
+		{
+			*pFileSize = st.st_size;
+		}
+	
+		return true;
+	}
+	else
+	{
+		return false;
+	}
+}
+
+// --------------------------------------------------------------------------
+//
+// Function
+//		Name:    ObjectExists(const char *)
+//		Purpose: Does a object exist, and if so, is it a file or a directory?
+//		Created: 23/11/03
+//
+// --------------------------------------------------------------------------
+int ObjectExists(const char *Filename)
+{
+	struct stat st;
+	if(::stat(Filename, &st) != 0)
+	{
+		if(errno == ENOENT)
+		{
+			return ObjectExists_NoObject;
+		}
+		else
+		{
+			THROW_EXCEPTION(CommonException, OSFileError);
+		}
+	}
+
+	// is it a file or a dir?
+	return ((st.st_mode & S_IFDIR) == 0)?ObjectExists_File:ObjectExists_Dir;
+}
+
+
+
+