68 lines
1.7 KiB
Crystal
68 lines
1.7 KiB
Crystal
require "colorize"
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module Ameba
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enum Severity
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Error
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Warning
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Convention
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# Returns a symbol uniquely indicating severity.
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#
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# ```
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# Severity::Warning.symbol # => 'W'
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# ```
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def symbol : Char
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case self
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in Error then 'E'
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in Warning then 'W'
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in Convention then 'C'
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end
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end
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# Returns a color uniquely indicating severity.
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#
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# ```
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# Severity::Warning.color # => Colorize::ColorANSI::Red
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# ```
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def color : Colorize::Color
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case self
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in Error then Colorize::ColorANSI::Red
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in Warning then Colorize::ColorANSI::Red
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in Convention then Colorize::ColorANSI::Blue
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end
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end
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# Creates Severity by the name.
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#
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# ```
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# Severity.parse("convention") # => Severity::Convention
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# Severity.parse("foo-bar") # => Exception: Incorrect severity name
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# ```
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def self.parse(name : String)
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super name
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rescue ArgumentError
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raise "Incorrect severity name #{name}. Try one of: #{values.map(&.to_s).join(", ")}"
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end
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end
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# Converter for `YAML.mapping` which converts severity enum to and from YAML.
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class SeverityYamlConverter
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def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
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unless node.is_a?(YAML::Nodes::Scalar)
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raise "Severity must be a scalar, not #{node.class}"
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end
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case value = node.value
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when String then Severity.parse(value)
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when Nil then raise "Missing severity"
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else
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raise "Incorrect severity: #{value}"
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end
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end
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def self.to_yaml(value : Severity, yaml : YAML::Nodes::Builder)
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yaml.scalar value
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end
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end
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end
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