_redirects.yaml-tmLanguage

name: Redirect Rules
scopeName: source.redirects
fileTypes:
- _redirects
patterns:
- include: '#main'

repository:
  main:
    patterns:
    - include: '#comment'
    - include: '#uri'
    - include: '#query'
    - include: '#number'
    - include: '#code'
    - include: '#punct'
    - include: '#text'

  # Comment line
  comment:
    name: comment.line.hash.redirects
    begin: '#'
    end: '$'
    beginCaptures:
      '0':
        name: punctuation.definition.comment.redirects

  # URI
  uri:
    name: string.unquoted.uri.redirects
    begin: '(?:[a-z]+:)?\/'
    end: '[\s$]'
    patterns:
    - include: '#wildcard'
    - include: '#splat'

  # Wildcard
  wildcard:
    name: constant.character.wildcard.redirects
    match: '\*'

  # Splat
  splat:
    name: variable.other.splat.redirects
    match: ':\w+'

  # Query
  query:
    name: keyword.other.query-selector.redirects
    match: '[^\s]+(?==)'

  # Redirect code
  number:
    match: '(\d+)(!)?'
    captures:
      '1':
        name: constant.numeric.integer.redirects
      '2':
        name: constant.character.force.redirects

  # Geo/lang code
  code:
    name: string.unquoted.code.redirects
    match: '(?<==)[a-z]{2}(?:-[A-Z]{2})?(?=\s|$)'

  # Text
  text:
    name: string.unquoted.text.redirects
    match: '(?<==)[^\s]+'

  # Punctuation
  punct:
    patterns:
    - name: punctuation.accessor.redirects
      match: ':|='
    - name: punctuation.separator.redirects
      match: ',(?!\s)'