44bbd9ca01
- this proof-of-concept code duplicates OptionParser information to get something going - take care to respect the type of each option from the OptionParser
59 lines
1.5 KiB
Ruby
59 lines
1.5 KiB
Ruby
require "pathname"
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module GitHubChangelogGenerator
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ParserError = Class.new(StandardError)
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class ParserFile
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FILENAME = ".github_changelog_generator"
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def initialize(options)
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@options = options
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end
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# Destructively change @options using data in configured options file.
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def parse!
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file.each_line { |line| parse_line!(line) } if file.exist?
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end
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private
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def file
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@file ||= Pathname(File.expand_path(@options[:params_file] || FILENAME))
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end
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def parse_line!(line)
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key_sym, value = extract_pair(line)
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@options[key_sym] = convert_value(value, key_sym)
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rescue
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raise ParserError, "Config file #{file} is incorrect in line \"#{line.gsub(/[\n\r]+/, '')}\""
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end
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# Returns a the setting as a symbol and its string value sans newlines.
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#
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# @param line [String] unparsed line from config file
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# @return [Array<Symbol, String>]
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def extract_pair(line)
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key, value = line.split("=", 2)
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[key.sub("-", "_").to_sym, value.gsub(/[\n\r]+/, "")]
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end
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KNOWN_ARRAY_KEYS = [:exclude_labels, :include_labels, :bug_labels,
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:enhancement_labels, :between_tags, :exclude_tags]
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KNOWN_INTEGER_KEYS = [:max_issues]
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def convert_value(value, key_sym)
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if KNOWN_ARRAY_KEYS.include?(key_sym)
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value.split(",")
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elsif KNOWN_INTEGER_KEYS.include?(key_sym)
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value.to_i
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elsif value =~ /^(true|t|yes|y|1)$/i
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true
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elsif value =~ /^(false|f|no|n|0)$/i
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false
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else
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value
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end
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end
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end
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end
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