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58470a06ad
The regular expression used to check for non-breaking spaces is invalid,
but prints a warning ("Unknown escape \U is ignored: /\U+A0/") instead
of raising an error.
This commit fixes the check (and the warning).
46 lines
1.3 KiB
Ruby
46 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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module ActiveSupport
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# Reads a YAML configuration file, evaluating any ERB, then
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# parsing the resulting YAML.
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#
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# Warns in case of YAML confusing characters, like invisible
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# non-breaking spaces.
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class ConfigurationFile # :nodoc:
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class FormatError < StandardError; end
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def initialize(content_path)
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@content_path = content_path.to_s
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@content = read content_path
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end
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def self.parse(content_path, **options)
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new(content_path).parse(**options)
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end
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def parse(context: nil, **options)
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YAML.load(render(context), **options) || {}
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rescue Psych::SyntaxError => error
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raise "YAML syntax error occurred while parsing #{@content_path}. " \
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"Please note that YAML must be consistently indented using spaces. Tabs are not allowed. " \
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"Error: #{error.message}"
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end
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private
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def read(content_path)
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require "yaml"
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require "erb"
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File.read(content_path).tap do |content|
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if content.include?("\u00A0")
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warn "File contains invisible non-breaking spaces, you may want to remove those"
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end
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end
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end
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def render(context)
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erb = ERB.new(@content).tap { |e| e.filename = @content_path }
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context ? erb.result(context) : erb.result
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end
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end
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end
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