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Diffstat (limited to 'vendor/github.com/charmbracelet/lipgloss/set.go')
| -rw-r--r-- | vendor/github.com/charmbracelet/lipgloss/set.go | 799 |
1 files changed, 799 insertions, 0 deletions
diff --git a/vendor/github.com/charmbracelet/lipgloss/set.go b/vendor/github.com/charmbracelet/lipgloss/set.go new file mode 100644 index 0000000..fde38fa --- /dev/null +++ b/vendor/github.com/charmbracelet/lipgloss/set.go @@ -0,0 +1,799 @@ +package lipgloss + +// Set a value on the underlying rules map. +func (s *Style) set(key propKey, value interface{}) { + // We don't allow negative integers on any of our other values, so just keep + // them at zero or above. We could use uints instead, but the + // conversions are a little tedious, so we're sticking with ints for + // sake of usability. + switch key { //nolint:exhaustive + case foregroundKey: + s.fgColor = colorOrNil(value) + case backgroundKey: + s.bgColor = colorOrNil(value) + case widthKey: + s.width = max(0, value.(int)) + case heightKey: + s.height = max(0, value.(int)) + case alignHorizontalKey: + s.alignHorizontal = value.(Position) + case alignVerticalKey: + s.alignVertical = value.(Position) + case paddingTopKey: + s.paddingTop = max(0, value.(int)) + case paddingRightKey: + s.paddingRight = max(0, value.(int)) + case paddingBottomKey: + s.paddingBottom = max(0, value.(int)) + case paddingLeftKey: + s.paddingLeft = max(0, value.(int)) + case marginTopKey: + s.marginTop = max(0, value.(int)) + case marginRightKey: + s.marginRight = max(0, value.(int)) + case marginBottomKey: + s.marginBottom = max(0, value.(int)) + case marginLeftKey: + s.marginLeft = max(0, value.(int)) + case marginBackgroundKey: + s.marginBgColor = colorOrNil(value) + case borderStyleKey: + s.borderStyle = value.(Border) + case borderTopForegroundKey: + s.borderTopFgColor = colorOrNil(value) + case borderRightForegroundKey: + s.borderRightFgColor = colorOrNil(value) + case borderBottomForegroundKey: + s.borderBottomFgColor = colorOrNil(value) + case borderLeftForegroundKey: + s.borderLeftFgColor = colorOrNil(value) + case borderTopBackgroundKey: + s.borderTopBgColor = colorOrNil(value) + case borderRightBackgroundKey: + s.borderRightBgColor = colorOrNil(value) + case borderBottomBackgroundKey: + s.borderBottomBgColor = colorOrNil(value) + case borderLeftBackgroundKey: + s.borderLeftBgColor = colorOrNil(value) + case maxWidthKey: + s.maxWidth = max(0, value.(int)) + case maxHeightKey: + s.maxHeight = max(0, value.(int)) + case tabWidthKey: + // TabWidth is the only property that may have a negative value (and + // that negative value can be no less than -1). + s.tabWidth = value.(int) + case transformKey: + s.transform = value.(func(string) string) + default: + if v, ok := value.(bool); ok { //nolint:nestif + if v { + s.attrs |= int(key) + } else { + s.attrs &^= int(key) + } + } else if attrs, ok := value.(int); ok { + // bool attrs + if attrs&int(key) != 0 { + s.attrs |= int(key) + } else { + s.attrs &^= int(key) + } + } + } + + // Set the prop on + s.props = s.props.set(key) +} + +// setFrom sets the property from another style. +func (s *Style) setFrom(key propKey, i Style) { + switch key { //nolint:exhaustive + case foregroundKey: + s.set(foregroundKey, i.fgColor) + case backgroundKey: + s.set(backgroundKey, i.bgColor) + case widthKey: + s.set(widthKey, i.width) + case heightKey: + s.set(heightKey, i.height) + case alignHorizontalKey: + s.set(alignHorizontalKey, i.alignHorizontal) + case alignVerticalKey: + s.set(alignVerticalKey, i.alignVertical) + case paddingTopKey: + s.set(paddingTopKey, i.paddingTop) + case paddingRightKey: + s.set(paddingRightKey, i.paddingRight) + case paddingBottomKey: + s.set(paddingBottomKey, i.paddingBottom) + case paddingLeftKey: + s.set(paddingLeftKey, i.paddingLeft) + case marginTopKey: + s.set(marginTopKey, i.marginTop) + case marginRightKey: + s.set(marginRightKey, i.marginRight) + case marginBottomKey: + s.set(marginBottomKey, i.marginBottom) + case marginLeftKey: + s.set(marginLeftKey, i.marginLeft) + case marginBackgroundKey: + s.set(marginBackgroundKey, i.marginBgColor) + case borderStyleKey: + s.set(borderStyleKey, i.borderStyle) + case borderTopForegroundKey: + s.set(borderTopForegroundKey, i.borderTopFgColor) + case borderRightForegroundKey: + s.set(borderRightForegroundKey, i.borderRightFgColor) + case borderBottomForegroundKey: + s.set(borderBottomForegroundKey, i.borderBottomFgColor) + case borderLeftForegroundKey: + s.set(borderLeftForegroundKey, i.borderLeftFgColor) + case borderTopBackgroundKey: + s.set(borderTopBackgroundKey, i.borderTopBgColor) + case borderRightBackgroundKey: + s.set(borderRightBackgroundKey, i.borderRightBgColor) + case borderBottomBackgroundKey: + s.set(borderBottomBackgroundKey, i.borderBottomBgColor) + case borderLeftBackgroundKey: + s.set(borderLeftBackgroundKey, i.borderLeftBgColor) + case maxWidthKey: + s.set(maxWidthKey, i.maxWidth) + case maxHeightKey: + s.set(maxHeightKey, i.maxHeight) + case tabWidthKey: + s.set(tabWidthKey, i.tabWidth) + case transformKey: + s.set(transformKey, i.transform) + default: + // Set attributes for set bool properties + s.set(key, i.attrs) + } +} + +func colorOrNil(c interface{}) TerminalColor { + if c, ok := c.(TerminalColor); ok { + return c + } + return nil +} + +// Bold sets a bold formatting rule. +func (s Style) Bold(v bool) Style { + s.set(boldKey, v) + return s +} + +// Italic sets an italic formatting rule. In some terminal emulators this will +// render with "reverse" coloring if not italic font variant is available. +func (s Style) Italic(v bool) Style { + s.set(italicKey, v) + return s +} + +// Underline sets an underline rule. By default, underlines will not be drawn on +// whitespace like margins and padding. To change this behavior set +// UnderlineSpaces. +func (s Style) Underline(v bool) Style { + s.set(underlineKey, v) + return s +} + +// Strikethrough sets a strikethrough rule. By default, strikes will not be +// drawn on whitespace like margins and padding. To change this behavior set +// StrikethroughSpaces. +func (s Style) Strikethrough(v bool) Style { + s.set(strikethroughKey, v) + return s +} + +// Reverse sets a rule for inverting foreground and background colors. +func (s Style) Reverse(v bool) Style { + s.set(reverseKey, v) + return s +} + +// Blink sets a rule for blinking foreground text. +func (s Style) Blink(v bool) Style { + s.set(blinkKey, v) + return s +} + +// Faint sets a rule for rendering the foreground color in a dimmer shade. +func (s Style) Faint(v bool) Style { + s.set(faintKey, v) + return s +} + +// Foreground sets a foreground color. +// +// // Sets the foreground to blue +// s := lipgloss.NewStyle().Foreground(lipgloss.Color("#0000ff")) +// +// // Removes the foreground color +// s.Foreground(lipgloss.NoColor) +func (s Style) Foreground(c TerminalColor) Style { + s.set(foregroundKey, c) + return s +} + +// Background sets a background color. +func (s Style) Background(c TerminalColor) Style { + s.set(backgroundKey, c) + return s +} + +// Width sets the width of the block before applying margins. The width, if +// set, also determines where text will wrap. +func (s Style) Width(i int) Style { + s.set(widthKey, i) + return s +} + +// Height sets the height of the block before applying margins. If the height of +// the text block is less than this value after applying padding (or not), the +// block will be set to this height. +func (s Style) Height(i int) Style { + s.set(heightKey, i) + return s +} + +// Align is a shorthand method for setting horizontal and vertical alignment. +// +// With one argument, the position value is applied to the horizontal alignment. +// +// With two arguments, the value is applied to the horizontal and vertical +// alignments, in that order. +func (s Style) Align(p ...Position) Style { + if len(p) > 0 { + s.set(alignHorizontalKey, p[0]) + } + if len(p) > 1 { + s.set(alignVerticalKey, p[1]) + } + return s +} + +// AlignHorizontal sets a horizontal text alignment rule. +func (s Style) AlignHorizontal(p Position) Style { + s.set(alignHorizontalKey, p) + return s +} + +// AlignVertical sets a vertical text alignment rule. +func (s Style) AlignVertical(p Position) Style { + s.set(alignVerticalKey, p) + return s +} + +// Padding is a shorthand method for setting padding on all sides at once. +// +// With one argument, the value is applied to all sides. +// +// With two arguments, the value is applied to the vertical and horizontal +// sides, in that order. +// +// With three arguments, the value is applied to the top side, the horizontal +// sides, and the bottom side, in that order. +// +// With four arguments, the value is applied clockwise starting from the top +// side, followed by the right side, then the bottom, and finally the left. +// +// With more than four arguments no padding will be added. +func (s Style) Padding(i ...int) Style { + top, right, bottom, left, ok := whichSidesInt(i...) + if !ok { + return s + } + + s.set(paddingTopKey, top) + s.set(paddingRightKey, right) + s.set(paddingBottomKey, bottom) + s.set(paddingLeftKey, left) + return s +} + +// PaddingLeft adds padding on the left. +func (s Style) PaddingLeft(i int) Style { + s.set(paddingLeftKey, i) + return s +} + +// PaddingRight adds padding on the right. +func (s Style) PaddingRight(i int) Style { + s.set(paddingRightKey, i) + return s +} + +// PaddingTop adds padding to the top of the block. +func (s Style) PaddingTop(i int) Style { + s.set(paddingTopKey, i) + return s +} + +// PaddingBottom adds padding to the bottom of the block. +func (s Style) PaddingBottom(i int) Style { + s.set(paddingBottomKey, i) + return s +} + +// ColorWhitespace determines whether or not the background color should be +// applied to the padding. This is true by default as it's more than likely the +// desired and expected behavior, but it can be disabled for certain graphic +// effects. +// +// Deprecated: Just use margins and padding. +func (s Style) ColorWhitespace(v bool) Style { + s.set(colorWhitespaceKey, v) + return s +} + +// Margin is a shorthand method for setting margins on all sides at once. +// +// With one argument, the value is applied to all sides. +// +// With two arguments, the value is applied to the vertical and horizontal +// sides, in that order. +// +// With three arguments, the value is applied to the top side, the horizontal +// sides, and the bottom side, in that order. +// +// With four arguments, the value is applied clockwise starting from the top +// side, followed by the right side, then the bottom, and finally the left. +// +// With more than four arguments no margin will be added. +func (s Style) Margin(i ...int) Style { + top, right, bottom, left, ok := whichSidesInt(i...) + if !ok { + return s + } + + s.set(marginTopKey, top) + s.set(marginRightKey, right) + s.set(marginBottomKey, bottom) + s.set(marginLeftKey, left) + return s +} + +// MarginLeft sets the value of the left margin. +func (s Style) MarginLeft(i int) Style { + s.set(marginLeftKey, i) + return s +} + +// MarginRight sets the value of the right margin. +func (s Style) MarginRight(i int) Style { + s.set(marginRightKey, i) + return s +} + +// MarginTop sets the value of the top margin. +func (s Style) MarginTop(i int) Style { + s.set(marginTopKey, i) + return s +} + +// MarginBottom sets the value of the bottom margin. +func (s Style) MarginBottom(i int) Style { + s.set(marginBottomKey, i) + return s +} + +// MarginBackground sets the background color of the margin. Note that this is +// also set when inheriting from a style with a background color. In that case +// the background color on that style will set the margin color on this style. +func (s Style) MarginBackground(c TerminalColor) Style { + s.set(marginBackgroundKey, c) + return s +} + +// Border is shorthand for setting the border style and which sides should +// have a border at once. The variadic argument sides works as follows: +// +// With one value, the value is applied to all sides. +// +// With two values, the values are applied to the vertical and horizontal +// sides, in that order. +// +// With three values, the values are applied to the top side, the horizontal +// sides, and the bottom side, in that order. +// +// With four values, the values are applied clockwise starting from the top +// side, followed by the right side, then the bottom, and finally the left. +// +// With more than four arguments the border will be applied to all sides. +// +// Examples: +// +// // Applies borders to the top and bottom only +// lipgloss.NewStyle().Border(lipgloss.NormalBorder(), true, false) +// +// // Applies rounded borders to the right and bottom only +// lipgloss.NewStyle().Border(lipgloss.RoundedBorder(), false, true, true, false) +func (s Style) Border(b Border, sides ...bool) Style { + s.set(borderStyleKey, b) + + top, right, bottom, left, ok := whichSidesBool(sides...) + if !ok { + top = true + right = true + bottom = true + left = true + } + + s.set(borderTopKey, top) + s.set(borderRightKey, right) + s.set(borderBottomKey, bottom) + s.set(borderLeftKey, left) + + return s +} + +// BorderStyle defines the Border on a style. A Border contains a series of +// definitions for the sides and corners of a border. +// +// Note that if border visibility has not been set for any sides when setting +// the border style, the border will be enabled for all sides during rendering. +// +// You can define border characters as you'd like, though several default +// styles are included: NormalBorder(), RoundedBorder(), BlockBorder(), +// OuterHalfBlockBorder(), InnerHalfBlockBorder(), ThickBorder(), +// and DoubleBorder(). +// +// Example: +// +// lipgloss.NewStyle().BorderStyle(lipgloss.ThickBorder()) +func (s Style) BorderStyle(b Border) Style { + s.set(borderStyleKey, b) + return s +} + +// BorderTop determines whether or not to draw a top border. +func (s Style) BorderTop(v bool) Style { + s.set(borderTopKey, v) + return s +} + +// BorderRight determines whether or not to draw a right border. +func (s Style) BorderRight(v bool) Style { + s.set(borderRightKey, v) + return s +} + +// BorderBottom determines whether or not to draw a bottom border. +func (s Style) BorderBottom(v bool) Style { + s.set(borderBottomKey, v) + return s +} + +// BorderLeft determines whether or not to draw a left border. +func (s Style) BorderLeft(v bool) Style { + s.set(borderLeftKey, v) + return s +} + +// BorderForeground is a shorthand function for setting all of the +// foreground colors of the borders at once. The arguments work as follows: +// +// With one argument, the argument is applied to all sides. +// +// With two arguments, the arguments are applied to the vertical and horizontal +// sides, in that order. +// +// With three arguments, the arguments are applied to the top side, the +// horizontal sides, and the bottom side, in that order. +// +// With four arguments, the arguments are applied clockwise starting from the +// top side, followed by the right side, then the bottom, and finally the left. +// +// With more than four arguments nothing will be set. +func (s Style) BorderForeground(c ...TerminalColor) Style { + if len(c) == 0 { + return s + } + + top, right, bottom, left, ok := whichSidesColor(c...) + if !ok { + return s + } + + s.set(borderTopForegroundKey, top) + s.set(borderRightForegroundKey, right) + s.set(borderBottomForegroundKey, bottom) + s.set(borderLeftForegroundKey, left) + + return s +} + +// BorderTopForeground set the foreground color for the top of the border. +func (s Style) BorderTopForeground(c TerminalColor) Style { + s.set(borderTopForegroundKey, c) + return s +} + +// BorderRightForeground sets the foreground color for the right side of the +// border. +func (s Style) BorderRightForeground(c TerminalColor) Style { + s.set(borderRightForegroundKey, c) + return s +} + +// BorderBottomForeground sets the foreground color for the bottom of the +// border. +func (s Style) BorderBottomForeground(c TerminalColor) Style { + s.set(borderBottomForegroundKey, c) + return s +} + +// BorderLeftForeground sets the foreground color for the left side of the +// border. +func (s Style) BorderLeftForeground(c TerminalColor) Style { + s.set(borderLeftForegroundKey, c) + return s +} + +// BorderBackground is a shorthand function for setting all of the +// background colors of the borders at once. The arguments work as follows: +// +// With one argument, the argument is applied to all sides. +// +// With two arguments, the arguments are applied to the vertical and horizontal +// sides, in that order. +// +// With three arguments, the arguments are applied to the top side, the +// horizontal sides, and the bottom side, in that order. +// +// With four arguments, the arguments are applied clockwise starting from the +// top side, followed by the right side, then the bottom, and finally the left. +// +// With more than four arguments nothing will be set. +func (s Style) BorderBackground(c ...TerminalColor) Style { + if len(c) == 0 { + return s + } + + top, right, bottom, left, ok := whichSidesColor(c...) + if !ok { + return s + } + + s.set(borderTopBackgroundKey, top) + s.set(borderRightBackgroundKey, right) + s.set(borderBottomBackgroundKey, bottom) + s.set(borderLeftBackgroundKey, left) + + return s +} + +// BorderTopBackground sets the background color of the top of the border. +func (s Style) BorderTopBackground(c TerminalColor) Style { + s.set(borderTopBackgroundKey, c) + return s +} + +// BorderRightBackground sets the background color of right side the border. +func (s Style) BorderRightBackground(c TerminalColor) Style { + s.set(borderRightBackgroundKey, c) + return s +} + +// BorderBottomBackground sets the background color of the bottom of the +// border. +func (s Style) BorderBottomBackground(c TerminalColor) Style { + s.set(borderBottomBackgroundKey, c) + return s +} + +// BorderLeftBackground set the background color of the left side of the +// border. +func (s Style) BorderLeftBackground(c TerminalColor) Style { + s.set(borderLeftBackgroundKey, c) + return s +} + +// Inline makes rendering output one line and disables the rendering of +// margins, padding and borders. This is useful when you need a style to apply +// only to font rendering and don't want it to change any physical dimensions. +// It works well with Style.MaxWidth. +// +// Because this in intended to be used at the time of render, this method will +// not mutate the style and instead return a copy. +// +// Example: +// +// var userInput string = "..." +// var userStyle = text.Style{ /* ... */ } +// fmt.Println(userStyle.Inline(true).Render(userInput)) +func (s Style) Inline(v bool) Style { + o := s // copy + o.set(inlineKey, v) + return o +} + +// MaxWidth applies a max width to a given style. This is useful in enforcing +// a certain width at render time, particularly with arbitrary strings and +// styles. +// +// Because this in intended to be used at the time of render, this method will +// not mutate the style and instead return a copy. +// +// Example: +// +// var userInput string = "..." +// var userStyle = text.Style{ /* ... */ } +// fmt.Println(userStyle.MaxWidth(16).Render(userInput)) +func (s Style) MaxWidth(n int) Style { + o := s // copy + o.set(maxWidthKey, n) + return o +} + +// MaxHeight applies a max height to a given style. This is useful in enforcing +// a certain height at render time, particularly with arbitrary strings and +// styles. +// +// Because this in intended to be used at the time of render, this method will +// not mutate the style and instead returns a copy. +func (s Style) MaxHeight(n int) Style { + o := s // copy + o.set(maxHeightKey, n) + return o +} + +// NoTabConversion can be passed to [Style.TabWidth] to disable the replacement +// of tabs with spaces at render time. +const NoTabConversion = -1 + +// TabWidth sets the number of spaces that a tab (/t) should be rendered as. +// When set to 0, tabs will be removed. To disable the replacement of tabs with +// spaces entirely, set this to [NoTabConversion]. +// +// By default, tabs will be replaced with 4 spaces. +func (s Style) TabWidth(n int) Style { + if n <= -1 { + n = -1 + } + s.set(tabWidthKey, n) + return s +} + +// UnderlineSpaces determines whether to underline spaces between words. By +// default, this is true. Spaces can also be underlined without underlining the +// text itself. +func (s Style) UnderlineSpaces(v bool) Style { + s.set(underlineSpacesKey, v) + return s +} + +// StrikethroughSpaces determines whether to apply strikethroughs to spaces +// between words. By default, this is true. Spaces can also be struck without +// underlining the text itself. +func (s Style) StrikethroughSpaces(v bool) Style { + s.set(strikethroughSpacesKey, v) + return s +} + +// Transform applies a given function to a string at render time, allowing for +// the string being rendered to be manipuated. +// +// Example: +// +// s := NewStyle().Transform(strings.ToUpper) +// fmt.Println(s.Render("raow!") // "RAOW!" +func (s Style) Transform(fn func(string) string) Style { + s.set(transformKey, fn) + return s +} + +// Renderer sets the renderer for the style. This is useful for changing the +// renderer for a style that is being used in a different context. +func (s Style) Renderer(r *Renderer) Style { + s.r = r + return s +} + +// whichSidesInt is a helper method for setting values on sides of a block based +// on the number of arguments. It follows the CSS shorthand rules for blocks +// like margin, padding. and borders. Here are how the rules work: +// +// 0 args: do nothing +// 1 arg: all sides +// 2 args: top -> bottom +// 3 args: top -> horizontal -> bottom +// 4 args: top -> right -> bottom -> left +// 5+ args: do nothing. +func whichSidesInt(i ...int) (top, right, bottom, left int, ok bool) { + switch len(i) { + case 1: + top = i[0] + bottom = i[0] + left = i[0] + right = i[0] + ok = true + case 2: //nolint:mnd + top = i[0] + bottom = i[0] + left = i[1] + right = i[1] + ok = true + case 3: //nolint:mnd + top = i[0] + left = i[1] + right = i[1] + bottom = i[2] + ok = true + case 4: //nolint:mnd + top = i[0] + right = i[1] + bottom = i[2] + left = i[3] + ok = true + } + return top, right, bottom, left, ok +} + +// whichSidesBool is like whichSidesInt, except it operates on a series of +// boolean values. See the comment on whichSidesInt for details on how this +// works. +func whichSidesBool(i ...bool) (top, right, bottom, left bool, ok bool) { + switch len(i) { + case 1: + top = i[0] + bottom = i[0] + left = i[0] + right = i[0] + ok = true + case 2: //nolint:mnd + top = i[0] + bottom = i[0] + left = i[1] + right = i[1] + ok = true + case 3: //nolint:mnd + top = i[0] + left = i[1] + right = i[1] + bottom = i[2] + ok = true + case 4: //nolint:mnd + top = i[0] + right = i[1] + bottom = i[2] + left = i[3] + ok = true + } + return top, right, bottom, left, ok +} + +// whichSidesColor is like whichSides, except it operates on a series of +// boolean values. See the comment on whichSidesInt for details on how this +// works. +func whichSidesColor(i ...TerminalColor) (top, right, bottom, left TerminalColor, ok bool) { + switch len(i) { + case 1: + top = i[0] + bottom = i[0] + left = i[0] + right = i[0] + ok = true + case 2: //nolint:mnd + top = i[0] + bottom = i[0] + left = i[1] + right = i[1] + ok = true + case 3: //nolint:mnd + top = i[0] + left = i[1] + right = i[1] + bottom = i[2] + ok = true + case 4: //nolint:mnd + top = i[0] + right = i[1] + bottom = i[2] + left = i[3] + ok = true + } + return top, right, bottom, left, ok +} |