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Contents
#
# Copyright:: Copyright (c) 2014 Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
module ChefDK
module Policyfile
module Reports
# Defines a table with a flexible number of columns and prints rows in
# the table. Columns are defined ahead of time, by calling the #column
# method, individual rows are printed by calling #print_row with the data
# for each cell.
class TablePrinter
attr_reader :ui
def initialize(ui)
@ui = ui
@column_widths = []
yield self
end
# Defines a column. If a collection is given, it is mapped to an array
# of strings and the longest string is used as the left justify width
# for that column when rows are printed.
def column(collection = [])
@column_widths << (collection.map(&:to_s).map(&:size).max || 0)
end
# Print a row.
def print_row(*cells)
row = ""
cells.each_with_index do |cell_data, i|
row << cell_data.to_s.ljust(@column_widths[i])
row << " "
end
ui.msg(row.strip)
end
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems