Valdemar Lorenzen
630 lines
21 KiB
Ruby
630 lines
21 KiB
Ruby
# frozen_string_literal: true
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module Vamp
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# @param name [String, Symbol]
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# @return [String]
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def self.chrome_name!(name)
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name = name.to_s if name.is_a?(Symbol)
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name = string!(name, "label/segment name")
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unless /\A[A-Za-z_][A-Za-z0-9_]*\z/.match?(name)
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raise ArgumentError, "label/segment name must match [A-Za-z_][A-Za-z0-9_]*"
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end
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name
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end
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# @param value [Hash{String, Symbol => Object}]
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# @return [Hash{String => Object}]
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def self.chrome_hash!(value)
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raise TypeError, "chrome options must be a Hash" unless value.is_a?(Hash)
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value.each_with_object({}) do |(key, item), result|
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key = key.to_s if key.is_a?(Symbol)
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key = string!(key, "chrome key")
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raise ArgumentError, "duplicate chrome key: #{key}" if result.key?(key)
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result[key] = item
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end
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end
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# @param options [Hash{String, Symbol => Object}]
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# @return [Hash{String => Object}]
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def self.chrome_line!(options)
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chrome_hash!(options).to_h do |name, value|
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if %w[left center right].include?(name)
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raise TypeError, "#{name} must be an Array" unless value.is_a?(Array)
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[name, value.map { |item| chrome_name!(item) }]
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else
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chrome_name!(name)
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style = chrome_hash!(value).to_h do |option, item|
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case option
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when "padding", "margin", "leading_margin", "trailing_margin"
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unless item.is_a?(Integer) && item.between?(0, 64)
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raise ArgumentError, "#{option} must be an Integer between 0 and 64"
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end
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when "title", "leading_edge", "trailing_edge", "first_leading_edge"
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item = string!(item, option)
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else
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raise ArgumentError, "unknown chrome style option: #{option}"
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end
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[option, item]
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end
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[name, style]
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end
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end
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end
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# Collects options for the independently configured top and bottom bars.
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class BarConfig
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# @return [Hash{String => Object}]
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attr_reader :top, :bottom
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# @return [void]
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def initialize
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@top = {}
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@bottom = {}
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end
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# @param options [Hash{String, Symbol => Object}]
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# @return [Hash{String => Object}]
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def top=(options)
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@top = Vamp.chrome_line!(options)
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end
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# @param options [Hash{String, Symbol => Object}]
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# @return [Hash{String => Object}]
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def bottom=(options)
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@bottom = Vamp.chrome_line!(options)
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end
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end
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# Collects anchor options for the independently positioned command and search popups.
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class PopupConfig
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# @return [Hash{String => String}]
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attr_reader :command, :search
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# @return [void]
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def initialize
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@command = {}
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@search = {}
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end
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# @param options [Hash{String, Symbol => String, Symbol}] anchor in the workspace's 3x3 grid
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# @return [Hash{String => String}]
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def command=(options)
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@command = options!(options)
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end
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# @param options [Hash{String, Symbol => String, Symbol}] anchor in the workspace's 3x3 grid
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# @return [Hash{String => String}]
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def search=(options)
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@search = options!(options)
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end
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private
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# @param options [Hash{String, Symbol => String, Symbol}]
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# @return [Hash{String => String}]
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def options!(options)
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Vamp.chrome_hash!(options).to_h do |option, value|
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raise ArgumentError, "unknown popup option: #{option}" unless option == "anchor"
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value = value.to_s if value.is_a?(Symbol)
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value = Vamp.string!(value, "popup anchor")
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unless %w[top_left top_center top_right center_left center center_right bottom_left bottom_center bottom_right].include?(value)
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raise ArgumentError, "unknown popup anchor: #{value}"
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end
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[option, value]
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end
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end
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end
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# Collects and validates the Ruby startup configuration DSL.
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class Config
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# @return [Hash{String => Boolean, Hash{String, Symbol => Object}}] language presets/options
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attr_reader :lsp
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# @return [Hash{String => Integer, nil}] LSP-style language IDs to Tab widths
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attr_reader :language_tab_spaces
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# @return [Vamp::BarConfig]
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attr_reader :bar
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# @return [Vamp::PopupConfig]
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attr_reader :popup
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# @return [void]
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def initialize
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@plugins = []
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@lsp = {}
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@review_directory = nil
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@bindings = []
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@leader = "space"
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@file_explorer_side = "right"
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@file_picker_view = "tree"
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@file_explorer_view = "tree"
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@clipboard_mode = "system"
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@git_blame = true
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@git_gutter = "bar"
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@bar = BarConfig.new
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@popup = PopupConfig.new
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@labels = {}
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@scroll_distance = 0
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@scroll_step_lines = nil
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@highlight_trailing_whitespace = false
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@whitespace_characters = {}
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@whitespace_scope = "all"
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@tab_spaces = nil
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@language_tab_spaces = {}
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@diff_context_lines = 10
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@diff_expand_lines = 15
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@diff_view_mode = "split"
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@diff_split_orientation = "vertical"
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@diff_follow_working_copy = true
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@pull_request_review_requested_symbol = "🙏"
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@pull_request_approved_symbol = "👍"
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@resolve_history_layout = "columns"
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end
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# @param path [String] relative to the configuration file
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# @param options [Hash{String, Symbol => Object}] JSON-compatible plugin options
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# @return [nil]
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def plugin(path, options: {})
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path = Vamp.string!(path, "plugin path")
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raise ArgumentError, "plugin path must not be empty" if path.empty? || path.include?("\0")
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raise TypeError, "plugin options must be a Hash" unless options.is_a?(Hash)
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@plugins << { "path" => path, "options" => Vamp.json_value!(options) }
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nil
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end
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# @param path [String, nil] relative to the configuration file; nil uses the XDG data directory
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# @return [String, nil]
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def review_directory=(path)
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path = nonempty_string!(path, "review_directory") unless path.nil?
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raise ArgumentError, "review_directory must not contain NUL" if path&.include?("\0")
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@review_directory = path
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end
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# @param key [String]
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# @return [String]
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def leader=(key)
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@leader = nonempty_string!(key, "leader key")
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end
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# @param side [String]
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# @return [String]
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def file_explorer_side=(side)
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@file_explorer_side = nonempty_string!(side, "file explorer side")
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end
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# @param view [String]
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# @return [String]
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def file_picker_view=(view)
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@file_picker_view = nonempty_string!(view, "file picker view")
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end
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# @param view [String]
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# @return [String]
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def file_explorer_view=(view)
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@file_explorer_view = nonempty_string!(view, "file explorer view")
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end
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# @param mode [String]
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# @return [String]
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def clipboard_mode=(mode)
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@clipboard_mode = nonempty_string!(mode, "clipboard mode")
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end
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# @param enabled [Boolean]
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# @return [Boolean]
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def git_blame=(enabled)
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raise TypeError, "git_blame must be true or false" unless [true, false].include?(enabled)
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@git_blame = enabled
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end
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# @param style [String] "bar", "symbols", "line_numbers", or "none"
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def git_gutter=(style)
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style = nonempty_string!(style, "git gutter")
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raise ArgumentError, "git gutter must be bar, symbols, line_numbers, or none" unless %w[bar symbols line_numbers none].include?(style)
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@git_gutter = style
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end
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# @param values [Hash{String, Symbol => String}]
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# @return [Hash]
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def labels=(values)
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@labels = Vamp.chrome_hash!(values).to_h do |name, text|
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[Vamp.chrome_name!(name), Vamp.string!(text, "label text")]
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end
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end
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# @param distance [Integer, nil] nonnegative cursor margin, or nil to center
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# @return [Integer, nil]
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def scroll_distance=(distance)
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@scroll_distance = distance.nil? ? nil : diff_line_count!(distance, "scroll_distance", 0)
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end
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# @param lines [Integer, nil] positive screen rows, or nil for half the viewport
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# @return [Integer, nil]
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def scroll_step_lines=(lines)
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@scroll_step_lines = lines.nil? ? nil : diff_line_count!(lines, "scroll_step_lines", 1)
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end
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# @param enabled [Boolean]
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# @return [Boolean]
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def highlight_trailing_whitespace=(enabled)
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raise TypeError, "highlight_trailing_whitespace must be true or false" unless [true, false].include?(enabled)
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@highlight_trailing_whitespace = enabled
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end
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# @param characters [Hash{String => String}] whitespace character to single-cell marker
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# @return [Hash{String => String}]
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def whitespace_characters=(characters)
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raise TypeError, "whitespace_characters must be a Hash" unless characters.is_a?(Hash)
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characters.each do |whitespace, marker|
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unless [whitespace, marker].all? { |value| value.is_a?(String) && value.length == 1 }
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raise TypeError, "whitespace_characters keys and values must be single-character Strings"
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end
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end
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@whitespace_characters = characters.dup
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end
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# @param scope [String] "all" or "leading"
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# @return [String]
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def whitespace_scope=(scope)
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scope = Vamp.string!(scope, "whitespace_scope")
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raise ArgumentError, "whitespace_scope must be all or leading" unless %w[all leading].include?(scope)
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@whitespace_scope = scope
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end
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# @param spaces [Integer, nil] spaces per Tab, or nil for a literal tab
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# @return [Integer, nil]
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def tab_spaces=(spaces)
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@tab_spaces = tab_spaces!(spaces)
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end
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# @param languages [Hash{String => Integer, nil}] LSP-style language IDs to Tab widths
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# @return [Hash{String => Integer, nil}]
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def language_tab_spaces=(languages)
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@language_tab_spaces = language_tab_spaces!(languages)
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end
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# @param lines [Integer] nonnegative context lines around each diff change
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# @return [Integer]
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def diff_context_lines=(lines)
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@diff_context_lines = diff_line_count!(lines, "diff_context_lines", 0)
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end
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# @param lines [Integer] positive lines revealed per diff expansion
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# @return [Integer]
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def diff_expand_lines=(lines)
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@diff_expand_lines = diff_line_count!(lines, "diff_expand_lines", 1)
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end
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# @param mode [String] "split" or "unified"
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# @return [String]
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def diff_view_mode=(mode)
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mode = nonempty_string!(mode, "diff view mode")
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raise ArgumentError, "diff view mode must be split or unified" unless %w[split unified].include?(mode)
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@diff_view_mode = mode
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end
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# @param orientation [String] "vertical" or "horizontal"
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# @return [String]
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def diff_split_orientation=(orientation)
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orientation = nonempty_string!(orientation, "diff split orientation")
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unless %w[vertical horizontal].include?(orientation)
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raise ArgumentError, "diff split orientation must be vertical or horizontal"
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end
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@diff_split_orientation = orientation
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end
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# @param enabled [Boolean]
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# @return [Boolean]
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def diff_follow_working_copy=(enabled)
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raise TypeError, "diff_follow_working_copy must be true or false" unless [true, false].include?(enabled)
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@diff_follow_working_copy = enabled
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end
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# @param symbol [String] empty to hide the review-request indicator
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# @return [String]
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def pull_request_review_requested_symbol=(symbol)
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@pull_request_review_requested_symbol = pull_request_symbol!(symbol, "pull_request_review_requested_symbol")
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end
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# @param symbol [String] empty to hide the approval indicator
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# @return [String]
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def pull_request_approved_symbol=(symbol)
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@pull_request_approved_symbol = pull_request_symbol!(symbol, "pull_request_approved_symbol")
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end
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# @param layout [String] "columns" or "base_below"
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# @return [String]
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def resolve_history_layout=(layout)
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layout = nonempty_string!(layout, "resolve history layout")
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unless %w[columns base_below].include?(layout)
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raise ArgumentError, "resolve history layout must be columns or base_below"
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end
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@resolve_history_layout = layout
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end
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# @return [Module<Vamp::Core>] frozen namespace with catalog-generated Action methods
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def core
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Core
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end
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# @return [Module<Vamp::Modes>] frozen namespace whose methods return Mode values
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def modes
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Modes
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end
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# @param key [String] one key or a leader-prefixed sequence
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# @param command [Vamp::Action, String, nil] core action, external command, or disabled route
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# @param mode [Vamp::Mode]
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# @return [nil]
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def bind(key, command, mode: Modes.normal)
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key = Vamp.string!(key, "binding key")
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raise TypeError, "binding mode must be a value from config.modes" unless mode.is_a?(Mode)
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command = binding_target(command)
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raise ArgumentError, "binding key must not be empty" if key.empty?
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raise ArgumentError, "binding command must not be empty" if command == ""
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@bindings << { "mode" => mode.name, "key" => key, "command" => command }
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nil
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end
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# @return [Hash{String => Object}] validated startup configuration frame
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def response
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{ "version" => 1, "type" => "config", "plugins" => @plugins, "lsp" => lsp_options, "bindings" => @bindings,
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"review_directory" => @review_directory,
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"leader" => @leader, "file_explorer_side" => @file_explorer_side, "file_picker_view" => @file_picker_view,
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"file_explorer_view" => @file_explorer_view, "clipboard_mode" => @clipboard_mode,
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"git_blame" => @git_blame,
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"git_gutter" => @git_gutter,
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"scroll_distance" => @scroll_distance,
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"scroll_step_lines" => @scroll_step_lines,
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"highlight_trailing_whitespace" => @highlight_trailing_whitespace,
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"whitespace_characters" => @whitespace_characters,
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"whitespace_scope" => @whitespace_scope,
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"tab_spaces" => @tab_spaces, "language_tab_spaces" => language_tab_spaces!(@language_tab_spaces),
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"top_bar" => @bar.top, "bottom_bar" => @bar.bottom, "labels" => @labels,
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"popup" => { "command" => @popup.command, "search" => @popup.search },
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"diff_context_lines" => @diff_context_lines, "diff_expand_lines" => @diff_expand_lines,
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"diff_view_mode" => @diff_view_mode, "diff_split_orientation" => @diff_split_orientation,
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"diff_follow_working_copy" => @diff_follow_working_copy,
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"pull_request_review_requested_symbol" => @pull_request_review_requested_symbol,
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"pull_request_approved_symbol" => @pull_request_approved_symbol,
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"resolve_history_layout" => @resolve_history_layout }
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end
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private
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def pull_request_symbol!(symbol, label)
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symbol = Vamp.string!(symbol, label)
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raise ArgumentError, "#{label} must not contain control characters" if symbol.match?(/[[:cntrl:]]/)
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symbol
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end
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# @param spaces [Integer, nil]
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# @return [Integer, nil]
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def tab_spaces!(spaces)
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unless spaces.nil? || (spaces.is_a?(Integer) && spaces.between?(1, 255))
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raise ArgumentError, "tab_spaces must be nil or an Integer between 1 and 255"
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end
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spaces
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end
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# @param languages [Hash{String => Integer, nil}]
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# @return [Hash{String => Integer, nil}]
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def language_tab_spaces!(languages)
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raise TypeError, "language_tab_spaces must be a Hash" unless languages.is_a?(Hash)
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languages.to_h do |language, spaces|
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language = nonempty_string!(language, "Tab language")
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raise ArgumentError, "Tab language must not contain control characters" if language.match?(/[[:cntrl:]]/)
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[language, tab_spaces!(spaces)]
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end
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end
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# @param value [Integer]
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# @param label [String]
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# @param minimum [Integer]
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# @return [Integer]
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def diff_line_count!(value, label, minimum)
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raise TypeError, "#{label} must be an Integer" unless value.is_a?(Integer)
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maximum = (1 << 64) - 1
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unless value.between?(minimum, maximum)
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raise ArgumentError, "#{label} must be between #{minimum} and #{maximum}"
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end
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value
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end
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# @param value [String]
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# @param label [String]
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# @return [String]
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def nonempty_string!(value, label)
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value = Vamp.string!(value, label)
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raise ArgumentError, "#{label} must not be empty" if value.empty?
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value
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end
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# @param command [Vamp::Action, String, nil]
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# @return [String, nil]
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def binding_target(command)
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case command
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when Action
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command.name
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when String
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external_command(command)
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when nil
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nil
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else
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raise TypeError, "binding command must be an Action, String, or nil"
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end
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end
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# @param command [String]
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# @return [String]
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def external_command(command)
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name = Vamp.string!(command, "binding command")
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if name.start_with?("core.") || Vamp.builtin_command?(name)
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raise TypeError, "use config.core for built-in actions"
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end
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name
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end
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# @return [Hash{String => Boolean, Hash{String => Object}}]
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def lsp_options
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@lsp.to_h do |language, value|
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language = lsp_language(language)
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[language, lsp_value(value, language)]
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end
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end
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# @param language [String]
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# @return [String]
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def lsp_language(language)
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language = Vamp.string!(language, "LSP language key")
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invalid = language.empty? || language.match?(/[[:cntrl:]]/)
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raise ArgumentError, "LSP language keys must not be empty or contain control characters" if invalid
|
|
|
|
language
|
|
end
|
|
|
|
# @param value [Boolean, Hash{String, Symbol => Object}]
|
|
# @param language [String]
|
|
# @return [Boolean, Hash{String => Object}]
|
|
def lsp_value(value, language)
|
|
case value
|
|
when TrueClass, FalseClass
|
|
value
|
|
when Hash
|
|
Vamp.json_value!(value)
|
|
else
|
|
raise TypeError, "LSP language #{language.inspect} must be true, false, or a Hash"
|
|
end
|
|
end
|
|
end
|
|
|
|
# Provides an immutable editor snapshot and queues effects for an invocation.
|
|
class Editor
|
|
# @return [String] immutable context text, uppercase mode, or workspace path
|
|
attr_reader :text, :mode, :root
|
|
# @return [Integer] one-based grapheme row/column or nonnegative document ID/revision
|
|
attr_reader :row, :column, :buffer_id, :revision
|
|
# @return [String, nil] document path; nil for an unnamed buffer
|
|
attr_reader :path
|
|
# @return [Integer] positive invocation ID
|
|
attr_reader :request_id
|
|
# @return [Array<Hash{String => String}>] queued text and presentation effects
|
|
attr_reader :effects
|
|
|
|
# @param context [Hash{String => String, Integer, nil}] primary caret/document snapshot
|
|
# @param request_id [Integer] positive invocation ID
|
|
# @return [void]
|
|
def initialize(context, request_id)
|
|
validate_context(context)
|
|
assign_context_strings(context)
|
|
assign_context_numbers(context, request_id)
|
|
validate_context_position
|
|
validate_context_revision
|
|
@effects = []
|
|
@effect_bytes = 0
|
|
end
|
|
|
|
# @param text [String]
|
|
# @return [nil]
|
|
def insert(text)
|
|
queue("insert", text)
|
|
end
|
|
|
|
# @param text [String]
|
|
# @return [nil]
|
|
def replace(text)
|
|
queue("replace", text)
|
|
end
|
|
|
|
# @param text [String]
|
|
# @return [nil]
|
|
def message(text)
|
|
queue("message", text)
|
|
end
|
|
|
|
# @param name [String, Symbol]
|
|
# @param text [String] named session-wide plain text; empty clears it
|
|
# @return [nil]
|
|
def label(name, text)
|
|
name = Vamp.chrome_name!(name)
|
|
queue("label", text, name)
|
|
end
|
|
|
|
private
|
|
|
|
# @param context [Hash{String => String, Integer, nil}]
|
|
# @return [void]
|
|
def validate_context(context)
|
|
return if context.is_a?(Hash) && context.keys.sort == %w[buffer_id column mode path revision root row text]
|
|
|
|
raise ArgumentError, "invalid editor context"
|
|
end
|
|
|
|
# @param context [Hash{String => String, Integer, nil}]
|
|
# @return [void]
|
|
def assign_context_strings(context)
|
|
@text = Vamp.string!(context["text"], "context text").freeze
|
|
@mode = Vamp.string!(context["mode"], "context mode").freeze
|
|
@path = context["path"].nil? ? nil : Vamp.string!(context["path"], "context path").freeze
|
|
@root = Vamp.string!(context["root"], "context root").freeze
|
|
end
|
|
|
|
# @param context [Hash{String => String, Integer, nil}]
|
|
# @param request_id [Integer]
|
|
# @return [void]
|
|
def assign_context_numbers(context, request_id)
|
|
@buffer_id = context["buffer_id"]
|
|
@revision = context["revision"]
|
|
@request_id = request_id
|
|
@row = context["row"]
|
|
@column = context["column"]
|
|
end
|
|
|
|
# @return [void]
|
|
def validate_context_position
|
|
return if @row.is_a?(Integer) && @row.positive? && @column.is_a?(Integer) && @column.positive?
|
|
|
|
raise ArgumentError, "context row and column must be positive integers"
|
|
end
|
|
|
|
# @return [void]
|
|
def validate_context_revision
|
|
return if @buffer_id.is_a?(Integer) && @buffer_id >= 0 && @revision.is_a?(Integer) && @revision >= 0
|
|
|
|
raise ArgumentError, "context buffer_id and revision must be nonnegative integers"
|
|
end
|
|
|
|
# @param type [String] insert, replace, message, or label
|
|
# @param text [String]
|
|
# @param name [String, nil]
|
|
# @return [nil]
|
|
def queue(type, text, name = nil)
|
|
text = Vamp.string!(text, "effect text")
|
|
@effect_bytes += text.bytesize + (name ? name.bytesize : 0)
|
|
raise ArgumentError, "effects exceed 4 MiB" if @effect_bytes > MAX_FRAME
|
|
|
|
effect = { "type" => type, "text" => text }
|
|
effect["name"] = name if name
|
|
@effects << effect
|
|
nil
|
|
end
|
|
end
|
|
end
|