css

Documentation

Overview

Package css implements the minimal CSS syntax for allowing CSS properties to be defined via the standard flag package.

Index

• type Dimension
  • func (d *Dimension) Scan(state fmt.ScanState, verb rune) error
  • func (d *Dimension) Set(s string) error
  • func (d Dimension) String() string
• type Font
  • func (f *Font) Set(s string) error
  • func (f Font) String() string
• type Number
  • func (n *Number) Set(s string) error
  • func (n Number) String() string
• type PageMargin
  • func (p *PageMargin) Set(s string) error
  • func (p PageMargin) String() string
• type PageSize
  • func (p *PageSize) Set(s string) error
  • func (p PageSize) String() string
• type Unit
  • func (u *Unit) Set(s string) error
  • func (u Unit) String() string

Types

type Dimension

type Dimension struct {
	Value Number
	Unit  Unit
}

Dimension represents a CSS number with unit.

func (*Dimension) Scan

func (d *Dimension) Scan(state fmt.ScanState, verb rune) error

Scan implements the Scanner interface.

func (*Dimension) Set

func (d *Dimension) Set(s string) error

Set implements the Value interface.

func (Dimension) String

func (d Dimension) String() string

String implements the Stringer interface.

type Font

type Font struct {
	Family     string
	Size       Dimension
	LineHeight Dimension
}

Font represents a CSS font. Only family, size and line height are supported, and they must all be provided. Font family must always be quoted.

func (*Font) Set

func (f *Font) Set(s string) error

Set implements the Value interface.

func (Font) String

func (f Font) String() string

String implements the Stringer interface.

type Number

type Number float64

Number represents a CSS number. Only real numbers are supported.

func (*Number) Set

func (n *Number) Set(s string) error

Set implements the Value interface.

func (Number) String

func (n Number) String() string

String implements the Stringer interface.

type PageMargin

type PageMargin struct {
	Top    Dimension
	Right  Dimension
	Bottom Dimension
	Left   Dimension
}

PageMargin represents CSS page margins.

func (*PageMargin) Set

func (p *PageMargin) Set(s string) error

Set implements the Value interface.

func (PageMargin) String

func (p PageMargin) String() string

String implements the Stringer interface.

type PageSize

type PageSize string

PageSize represents a CSS page size. Only A4 and letter page sizes are supported. The page orientation is portrait and can not be changed.

const (
	A4     PageSize = "A4"
	Letter PageSize = "letter"
)

Supported page sizes.

func (*PageSize) Set

func (p *PageSize) Set(s string) error

Set implements the Value interface.

func (PageSize) String

func (p PageSize) String() string

String implements the Stringer interface.

type Unit

type Unit string

Unit represents the unit of a CSS quantity. Only absolute length units are supported, excluding pixels and quarter-millimeters.

const (
	NoUnit     Unit = ""
	Point      Unit = "pt"
	Pica       Unit = "pc"
	Inch       Unit = "inch"
	Millimeter Unit = "mm"
	Centimeter Unit = "cm"
)

Supported units.

func (*Unit) Set

func (u *Unit) Set(s string) error

Set implements the Value interface.

func (Unit) String

func (u Unit) String() string

String implements the Stringer interface.