Added a method to get the basename of the file, without path.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1281 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IFileSystem.h

@@ -119,6 +119,11 @@ public:
 	/** \param filename: The file to get the directory from */
 	virtual core::stringc getFileDir(const core::stringc& filename) const = 0;
 
+	//! Returns the base part of a filename, i.e. the name without the directory
+	//! part. If no directory is prefixed, the full name is returned.
+	/** \param filename: The file to get the basename from */
+	virtual core::stringc getFileBasename(const core::stringc& filename) const = 0;
+
 	//! Creates a list of files and directories in the current working directory and returns it.
 	/** \return a Pointer to the created IFileList is returned. After the list has been used
 	it has to be deleted using its IFileList::drop() method.

source/Irrlicht/CFileSystem.cpp

@@ -238,6 +238,10 @@ core::stringc CFileSystem::getAbsolutePath(const core::stringc& filename) const
 	return ret;
 }
 
+
+//! returns the directory part of a filename, i.e. all until the first
+//! slash or backslash, excluding it. If no directory path is prefixed, a '.'
+//! is returned.
 core::stringc CFileSystem::getFileDir(const core::stringc& filename) const
 {
 	// find last forward or backslash
@@ -251,6 +255,23 @@ core::stringc CFileSystem::getFileDir(const core::stringc& filename) const
 		return ".";
 }
 
+
+//! returns the base part of a filename, i.e. all except for the directory
+//! part. If no directory path is prefixed, the full name is returned.
+core::stringc CFileSystem::getFileBasename(const core::stringc& filename) const
+{
+	// find last forward or backslash
+	s32 lastSlash = filename.findLast('/');
+	const s32 lastBackSlash = filename.findLast('\\');
+	lastSlash = lastSlash > lastBackSlash ? lastSlash : lastBackSlash;
+
+	if ((u32)lastSlash < filename.size())
+		return filename.subString(lastSlash+1, filename.size()-lastSlash);
+	else
+		return filename;
+}
+
+
 //! Creates a list of files and directories in the current working directory 
 IFileList* CFileSystem::createFileList() const
 {

source/Irrlicht/CFileSystem.h

@@ -62,6 +62,11 @@ public:
 	/** \param filename: The file to get the directory from */
 	virtual core::stringc getFileDir(const core::stringc& filename) const;
 
+	//! Returns the base part of a filename, i.e. the name without the directory
+	//! part. If no directory is prefixed, the full name is returned.
+	/** \param filename: The file to get the basename from */
+	core::stringc getFileBasename(const core::stringc& filename) const;
+
 	//! Creates a list of files and directories in the current working directory 
 	//! and returns it.
 	virtual IFileList* createFileList() const;