Method findCaseInsensitivePath

tree.go:671–684

Makes a case-insensitive lookup of the given path and tries to find a handler. It can optionally also fix trailing slashes. It returns the case-corrected path and a bool indicating whether the lookup was successful.

(path string, fixTrailingSlash bool)

// It returns the case-corrected path and a bool indicating whether the lookup
// was successful.
func (n *node) findCaseInsensitivePath(path string, fixTrailingSlash bool) ([]byte, bool) {
	const stackBufSize = 128

	buf := make([]byte, 0, max(stackBufSize, len(path)+1))

	ciPath := n.findCaseInsensitivePathRec(
		path,
		buf,       // Preallocate enough memory for new path
		[4]byte{}, // Empty rune buffer
		fixTrailingSlash,
	)

	return ciPath, ciPath != nil
}

// Shift bytes in array by n bytes left
func shiftNRuneBytes(rb [4]byte, n int) [4]byte {