filetype: yaml

detect:
    filename: "\\.ya?ml$"
    signature: "%YAML"

rules:
    - type: "(^| )!!(binary|bool|float|int|map|null|omap|seq|set|str) "
    - constant:  "\\b(YES|yes|Y|y|ON|on|TRUE|True|true|NO|no|N|n|OFF|off|FALSE|False|false)\\b"
    - statement: "(:[[:space:]]|\\[|\\]|:[[:space:]]+[|>]|^[[:space:]]*- )"
    - identifier: "[[:space:]][\\*&][A-Za-z0-9]+"
    - type: "[-.\\w]+:"
    - statement: ":"
    - special:  "(^---|^\\.\\.\\.|^%YAML|^%TAG)"

    - constant.string:
        start: "(^| )\""
        end: "\""
        skip: "\\\\."
        rules:
            - constant.specialChar: "\\\\."

    - constant.string:
        start: "(^| )'"
        end: "'"
        skip: "(\\\\.)|('')"
        rules:
            - constant.specialChar: "\\\\."

    - comment:
        start: "#"
        end: "$"
        rules:
            - todo: "(TODO|XXX|FIXME):?"