Class: Canopus::Theme

Inherits:
Object
  • Object
show all
Defined in:
lib/canopus/theme.rb,
lib/canopus/theme/import.rb,
sig/canopus.rbs

Defined Under Namespace

Modules: Import

Constant Summary collapse

SYNTAX = 
{"Comment" => "#8f9cae", "Keyword" => "#eaa4c5", "Name.Class" => "#e5cb92", "Name.Function" => "#8ac6df",
"Literal.String" => "#b6d49c", "Literal.Number" => "#dab38d", "Operator" => "#a7bbdb", "Generic.Heading" => "#e5cb92", "Error" => "#f97583"}.freeze
LIGHT_SYNTAX = 
{"Comment" => "#626e7a", "Keyword" => "#853057", "Name.Class" => "#795500", "Name.Function" => "#075b80",
"Literal.String" => "#356224", "Literal.Number" => "#854b16", "Operator" => "#375780", "Generic.Heading" => "#795500", "Error" => "#aa2438"}.freeze
DARK = 
{background: "#161b22", foreground: "#d6dde6", panel: "#10151c", border: "#2c3644",
active_tab: "#222d3b", muted: "#728399", accent: "#e9a661", selection: "#34547799",
cursor: "#f4e4c1", current_line: "#ffffff06", error: "#f97583", status: "#202a36",
:"diagnostic.error" => "#f97583", :"diagnostic.warning" => "#e3b341",
:"diagnostic.information" => "#58a6ff", :"diagnostic.hint" => "#8b949e",
:"bracket.1" => "#ffd866", :"bracket.2" => "#ab9df2", :"bracket.3" => "#78dce8",
:"bracket.4" => "#a9dc76", :"bracket.5" => "#fc9867", :"bracket.6" => "#ff6188",
:"indent.guide" => "#394657", :"indent.guide.active" => "#7c91aa"}.freeze
LIGHT = 
DARK.merge(background: "#faf8f3", foreground: "#293440", panel: "#eeece6", border: "#cecac1",
active_tab: "#fff", muted: "#6d7780", selection: "#93bdd477", current_line: "#00000006",
cursor: "#34465a", status: "#e3e2dc", :"diagnostic.error" => "#aa2438",
:"diagnostic.warning" => "#8a6116", :"diagnostic.information" => "#0969da",
:"diagnostic.hint" => "#57606a", :"bracket.1" => "#8a5a00", :"bracket.2" => "#6f42c1",
:"bracket.3" => "#096b7a", :"bracket.4" => "#3f6f20", :"bracket.5" => "#a34318",
:"bracket.6" => "#b42355", :"indent.guide" => "#c4c9cf", :"indent.guide.active" => "#73808c").freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name: "Canopus Dark", colors: {}, syntax: {}) ⇒ Theme

Returns a new instance of Theme.

Parameters:

  • name: (String) (defaults to: "Canopus Dark")
  • colors: (Hash[Symbol, String]) (defaults to: {})
  • syntax: (Hash[String, String]) (defaults to: {}) 


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# File 'lib/canopus/theme.rb', line 25

def initialize(name: "Canopus Dark", colors: {}, syntax: {})
  @name, @syntax = name, syntax
  @colors = (name.match?(/light/i) ? LIGHT : DARK).merge(colors.transform_keys(&:to_sym))
  @colors.each_value { |color| Zaniah::Color.parse(color) }
  @token_mapping = (name.match?(/light/i) ? LIGHT_SYNTAX : SYNTAX).merge(@syntax.transform_values { |value| value.is_a?(Hash) ? value["color"] : value }.compact)
  @token_mapping.each_value { |color| Zaniah::Color.parse(color) }
  @token_cache = {}
end

Instance Attribute Details

#colors ⇒ Hash[Symbol, String] (readonly)

Returns the value of attribute colors.

Returns:

  • (Hash[Symbol, String]) 


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# File 'lib/canopus/theme.rb', line 24

def colors
  @colors
end

#name ⇒ String (readonly)

Returns the value of attribute name.

Returns:

  • (String) 


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# File 'lib/canopus/theme.rb', line 24

def name
  @name
end

#syntax ⇒ Hash[String, String] (readonly)

Returns the value of attribute syntax.

Returns:

  • (Hash[String, String]) 


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# File 'lib/canopus/theme.rb', line 24

def syntax
  @syntax
end

Class Method Details

.load(path, warnings: nil) ⇒ instance

Parameters:

  • path (String)
  • warnings: (Array[String], nil) (defaults to: nil)

Returns:

  • (instance) 


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# File 'lib/canopus/theme.rb', line 41

def self.load(path, warnings: nil)
  if File.extname(path).downcase == ".tmtheme"
    require_relative "theme/import"
    return Import.load(path, warnings: warnings)
  end

  data = Kochab.parse(File.read(path), strict: false).value
  if data.is_a?(Hash) && (data.key?("colors") || data.key?("tokenColors"))
    require_relative "theme/import"
    return Import.vscode(data, warnings: warnings)
  end

  theme = data.fetch("themes", [data]).first
  style = theme.fetch("style", {})
  map = {"editor.background" => :background, "editor.foreground" => :foreground,
    "panel.background" => :panel, "border" => :border, "text.muted" => :muted,
    "status_bar.background" => :status, "editor.active_line.background" => :current_line,
    "diagnostic.error" => :"diagnostic.error", "diagnostic.warning" => :"diagnostic.warning",
    "diagnostic.information" => :"diagnostic.information", "diagnostic.hint" => :"diagnostic.hint",
    "bracket.1" => :"bracket.1", "bracket.2" => :"bracket.2", "bracket.3" => :"bracket.3",
    "bracket.4" => :"bracket.4", "bracket.5" => :"bracket.5", "bracket.6" => :"bracket.6",
    "indent.guide" => :"indent.guide", "indent.guide.active" => :"indent.guide.active"}
  colors = style.each_with_object({}) { |(key, value), result| result[map[key]] = value if map[key] }
  new(name: theme.fetch("name", "Imported"), colors: colors, syntax: style.fetch("syntax", {}))
end

Instance Method Details

#[](key) ⇒ String

Parameters:

  • key (Symbol)

Returns:

  • (String) 


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# File 'lib/canopus/theme.rb', line 33

def [](key) = @colors.fetch(key)

#token_color(token) ⇒ String

Parameters:

  • token (Object)

Returns:

  • (String) 


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# File 'lib/canopus/theme.rb', line 34

def token_color(token)
  name = token.respond_to?(:qualname) ? token.qualname : token.to_s
  @token_cache[name] ||= begin
    key = @token_mapping.keys.select { |prefix| name == prefix || name.start_with?(prefix + ".") }.max_by(&:length)
    key ? @token_mapping[key] : self[:foreground]
  end
end