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# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
module Lexers
class JSON < RegexLexer
title 'JSON'
desc "JavaScript Object Notation (json.org)"
tag 'json'
filenames '*.json', 'Pipfile.lock'
mimetypes 'application/json', 'application/vnd.api+json',
'application/hal+json', 'application/problem+json',
'application/schema+json'
state :whitespace do
rule %r/\s+/, Text::Whitespace
end
state :root do
mixin :whitespace
rule %r/{/, Punctuation, :object
rule %r/\[/, Punctuation, :array
mixin :name
mixin :value
# These characters may be invalid but syntax correctness is a non-goal
rule %r/[\]}]/, Punctuation
end
state :object do
mixin :whitespace
mixin :name
mixin :value
rule %r/}/, Punctuation, :pop!
rule %r/,/, Punctuation
end
state :name do
rule %r/("(?:\\.|[^"\\\n])*?")(\s*)(:)/ do
groups Name::Label, Text::Whitespace, Punctuation
end
end
state :value do
mixin :whitespace
mixin :constants
rule %r/"/, Str::Double, :string
rule %r/\[/, Punctuation, :array
rule %r/{/, Punctuation, :object
end
state :string do
rule %r/[^\\"]+/, Str::Double
rule %r/\\./, Str::Escape
rule %r/"/, Str::Double, :pop!
end
state :array do
mixin :value
rule %r/\]/, Punctuation, :pop!
rule %r/,/, Punctuation
end
state :constants do
rule %r/(?:true|false|null)/, Keyword::Constant
rule %r/-?(?:0|[1-9]\d*)\.\d+(?:e[+-]?\d+)?/i, Num::Float
rule %r/-?(?:0|[1-9]\d*)(?:e[+-]?\d+)?/i, Num::Integer
end
end
end
end
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