SourceFiles

For a given input path, determine all source files by inspecting filename extensions.

For a given array of input paths, determine all source files by inspecting filename extensions.

For the given file at filePath determine the line separator used.

Note: the current systems line separator (returned by System.getProperty("line.separator")) can not be used as the file could have been written by another app on another operating system.

We only read until the first occurrence of a line break as that is sufficient and should not hinder performance too much.

Constructs an absolute path against rootPath. If the given path is already absolute this path is returned unaltered. Otherwise, "rootPath / path" is returned.

Constructs a relative path against rootPath. If the given path is not inside rootPath, path is returned unaltered. Otherwise, the path relative to rootPath is returned.