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Contents
# Author:: Eric Crane (mailto:eric.crane@mac.com)
# Copyright:: Copyright (c) 2022 Eric Crane. All rights reserved.
#
# Handle input and output for the current platform.
#
# This is an abstract base class and minimal implementation
# is only to facilitate testing.
#
module GlooLang
module App
class Platform
#
# Set up Platform.
#
def initialize
end
#
# Show a message.
# Abstract--implment in subclass.
#
def show( msg, md=false, page=false )
puts msg
end
#
# Prompt for the next command.
# Abstract--implment in subclass.
#
def prompt_cmd
return ''
end
#
# Clear the screen.
# Abstract--implment in subclass.
#
def clear_screen
end
#
# Edit some temporary text and return the edited text.
# Abstract--implment in subclass.
#
def edit initial_value
return initial_value
end
#
# Show the given table data.
# Abstract--implment in subclass.
#
def show_table( headers, data, title = nil )
end
#
# Get the number of vertical lines on screen.
# Abstract--implment in subclass.
#
def lines
return 40
end
#
# Get the number of horizontal columns on screen.
# Abstract--implment in subclass.
#
def cols
return 80
end
#
# Get the file mechanism for this platform.
#
def getFileMech( engine )
return GlooLang::Persist::DiscMech.new( engine )
end
#
# Get colorized string.
#
def getColorizedString( string, color )
return str
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems