README
¶
go-runewidth
Provides functions to get fixed width of the character or string.
Usage
runewidth.StringWidth("つのだ☆HIRO") == 12
Author
Yasuhiro Matsumoto
License
under the MIT License: http://mattn.mit-license.org/2013
Documentation
¶
Index ¶
- Variables
- func CreateLUT()
- func FillLeft(s string, w int) string
- func FillRight(s string, w int) string
- func IsAmbiguousWidth(r rune) bool
- func IsEastAsian() bool
- func IsNeutralWidth(r rune) bool
- func RuneWidth(r rune) int
- func StringWidth(s string) (width int)
- func Truncate(s string, w int, tail string) string
- func TruncateLeft(s string, w int, prefix string) string
- func Wrap(s string, w int) string
- type Condition
- func (c *Condition) CreateLUT()
- func (c *Condition) FillLeft(s string, w int) string
- func (c *Condition) FillRight(s string, w int) string
- func (c *Condition) RuneWidth(r rune) int
- func (c *Condition) StringWidth(s string) (width int)
- func (c *Condition) Truncate(s string, w int, tail string) string
- func (c *Condition) TruncateLeft(s string, w int, prefix string) string
- func (c *Condition) Wrap(s string, w int) string
Constants ¶
This section is empty.
Variables ¶
var ( // EastAsianWidth will be set true if the current locale is CJK EastAsianWidth bool // StrictEmojiNeutral should be set false if handle broken fonts StrictEmojiNeutral bool = true // DefaultCondition is a condition in current locale DefaultCondition = &Condition{ EastAsianWidth: false, StrictEmojiNeutral: true, } )
Functions ¶
func CreateLUT ¶ added in v0.0.14
func CreateLUT()
CreateLUT will create an in-memory lookup table of 557055 bytes for faster operation. This should not be called concurrently with other operations.
func IsAmbiguousWidth ¶
IsAmbiguousWidth returns whether is ambiguous width or not.
func IsNeutralWidth ¶
IsNeutralWidth returns whether is neutral width or not.
func RuneWidth ¶
RuneWidth returns the number of cells in r. See http://www.unicode.org/reports/tr11/
func TruncateLeft ¶ added in v0.0.14
TruncateLeft cuts w cells from the beginning of the `s`.
Types ¶
type Condition ¶
type Condition struct {
EastAsianWidth bool
StrictEmojiNeutral bool
// contains filtered or unexported fields
}
Condition have flag EastAsianWidth whether the current locale is CJK or not.
func NewCondition ¶
func NewCondition() *Condition
NewCondition return new instance of Condition which is current locale.
func (*Condition) CreateLUT ¶ added in v0.0.14
func (c *Condition) CreateLUT()
CreateLUT will create an in-memory lookup table of 557056 bytes for faster operation. This should not be called concurrently with other operations on c. If options in c is changed, CreateLUT should be called again.
func (*Condition) RuneWidth ¶
RuneWidth returns the number of cells in r. See http://www.unicode.org/reports/tr11/
func (*Condition) StringWidth ¶
StringWidth return width as you can see
func (*Condition) TruncateLeft ¶ added in v0.0.14
TruncateLeft cuts w cells from the beginning of the `s`.
Source Files