typedef NS_ENUM(NSInteger, NSLineBreakMode) { /* What to do with long lines */
NSLineBreakByWordWrapping = 0, /* Wrap at word boundaries, default */
NSLineBreakByCharWrapping, /* Wrap at character boundaries */
NSLineBreakByClipping, /* Simply clip */
NSLineBreakByTruncatingHead, /* Truncate at head of line: "...wxyz" */
NSLineBreakByTruncatingTail, /* Truncate at tail of line: "abcd..." */
NSLineBreakByTruncatingMiddle /* Truncate middle of line: "ab...yz" */
