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-rw-r--r--lib/bundler/vendor/thor/lib/thor/shell/html.rb126
1 files changed, 126 insertions, 0 deletions
diff --git a/lib/bundler/vendor/thor/lib/thor/shell/html.rb b/lib/bundler/vendor/thor/lib/thor/shell/html.rb
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+require "bundler/vendor/thor/lib/thor/shell/basic"
+
+class Bundler::Thor
+ module Shell
+ # Inherit from Bundler::Thor::Shell::Basic and add set_color behavior. Check
+ # Bundler::Thor::Shell::Basic to see all available methods.
+ #
+ class HTML < Basic
+ # The start of an HTML bold sequence.
+ BOLD = "font-weight: bold"
+
+ # Set the terminal's foreground HTML color to black.
+ BLACK = "color: black"
+ # Set the terminal's foreground HTML color to red.
+ RED = "color: red"
+ # Set the terminal's foreground HTML color to green.
+ GREEN = "color: green"
+ # Set the terminal's foreground HTML color to yellow.
+ YELLOW = "color: yellow"
+ # Set the terminal's foreground HTML color to blue.
+ BLUE = "color: blue"
+ # Set the terminal's foreground HTML color to magenta.
+ MAGENTA = "color: magenta"
+ # Set the terminal's foreground HTML color to cyan.
+ CYAN = "color: cyan"
+ # Set the terminal's foreground HTML color to white.
+ WHITE = "color: white"
+
+ # Set the terminal's background HTML color to black.
+ ON_BLACK = "background-color: black"
+ # Set the terminal's background HTML color to red.
+ ON_RED = "background-color: red"
+ # Set the terminal's background HTML color to green.
+ ON_GREEN = "background-color: green"
+ # Set the terminal's background HTML color to yellow.
+ ON_YELLOW = "background-color: yellow"
+ # Set the terminal's background HTML color to blue.
+ ON_BLUE = "background-color: blue"
+ # Set the terminal's background HTML color to magenta.
+ ON_MAGENTA = "background-color: magenta"
+ # Set the terminal's background HTML color to cyan.
+ ON_CYAN = "background-color: cyan"
+ # Set the terminal's background HTML color to white.
+ ON_WHITE = "background-color: white"
+
+ # Set color by using a string or one of the defined constants. If a third
+ # option is set to true, it also adds bold to the string. This is based
+ # on Highline implementation and it automatically appends CLEAR to the end
+ # of the returned String.
+ #
+ def set_color(string, *colors)
+ if colors.all? { |color| color.is_a?(Symbol) || color.is_a?(String) }
+ html_colors = colors.map { |color| lookup_color(color) }
+ "<span style=\"#{html_colors.join('; ')};\">#{string}</span>"
+ else
+ color, bold = colors
+ html_color = self.class.const_get(color.to_s.upcase) if color.is_a?(Symbol)
+ styles = [html_color]
+ styles << BOLD if bold
+ "<span style=\"#{styles.join('; ')};\">#{string}</span>"
+ end
+ end
+
+ # Ask something to the user and receives a response.
+ #
+ # ==== Example
+ # ask("What is your name?")
+ #
+ # TODO: Implement #ask for Bundler::Thor::Shell::HTML
+ def ask(statement, color = nil)
+ raise NotImplementedError, "Implement #ask for Bundler::Thor::Shell::HTML"
+ end
+
+ protected
+
+ def can_display_colors?
+ true
+ end
+
+ # Overwrite show_diff to show diff with colors if Diff::LCS is
+ # available.
+ #
+ def show_diff(destination, content) #:nodoc:
+ if diff_lcs_loaded? && ENV["THOR_DIFF"].nil? && ENV["RAILS_DIFF"].nil?
+ actual = File.binread(destination).to_s.split("\n")
+ content = content.to_s.split("\n")
+
+ Diff::LCS.sdiff(actual, content).each do |diff|
+ output_diff_line(diff)
+ end
+ else
+ super
+ end
+ end
+
+ def output_diff_line(diff) #:nodoc:
+ case diff.action
+ when "-"
+ say "- #{diff.old_element.chomp}", :red, true
+ when "+"
+ say "+ #{diff.new_element.chomp}", :green, true
+ when "!"
+ say "- #{diff.old_element.chomp}", :red, true
+ say "+ #{diff.new_element.chomp}", :green, true
+ else
+ say " #{diff.old_element.chomp}", nil, true
+ end
+ end
+
+ # Check if Diff::LCS is loaded. If it is, use it to create pretty output
+ # for diff.
+ #
+ def diff_lcs_loaded? #:nodoc:
+ return true if defined?(Diff::LCS)
+ return @diff_lcs_loaded unless @diff_lcs_loaded.nil?
+
+ @diff_lcs_loaded = begin
+ require "diff/lcs"
+ true
+ rescue LoadError
+ false
+ end
+ end
+ end
+ end
+end