// Given directory = "dir", relative_path = "test.xml", returns "dir/test.xml".
// On Windows, uses \ as the separator rather than /.
FilePath FilePath::ConcatPaths(const FilePath& directory,
const FilePath& relative_path) {
if (directory.IsEmpty())
return relative_path;
const FilePath dir(directory.RemoveTrailingPathSeparator());
return FilePath(dir.string() + kPathSeparator + relative_path.string());
}
// Given directory = "dir", base_name = "test", number = 0,
// extension = "xml", returns "dir/test.xml". If number is greater
// than zero (e.g., 12), returns "dir/test_12.xml".
// On Windows platform, uses \ as the separator rather than /.
FilePath FilePath::MakeFileName(const FilePath& directory,
const FilePath& base_name,
int number,
const char* extension) {
std::string file;
if (number == 0) {
file = base_name.string() + "." + extension;
} else {
file = base_name.string() + "_" + StreamableToString(number)
+ "." + extension;
}
return ConcatPaths(directory, FilePath(file));
}