grammar.js

/**
 * @file vCard parser
 * @author Titouan Real <titouan.real@gmail.com>
 * @license APACHE-2.0 OR MIT
 */

/// <reference types="tree-sitter-cli/dsl" />
// @ts-check

module.exports = grammar({
  name: "vcard",

  rules: {
    source_file: ($) =>
      seq(
        repeat($._crlf),
        repeat(seq($.property, repeat1($._crlf))),
        $.property,
        repeat($._crlf),
      ),

    _crlf: ($) => "\r\n",

    property: ($) =>
      seq(
        optional(seq($.group, ".")),
        $.property_name,
        repeat(seq(";", $.parameter)),
        ":",
        $.property_value,
      ),

    group: ($) => /[A-Za-z0-9-]+/,

    property_name: ($) => /[A-Za-z0-9-]+/,

    property_value: ($) => /[^\r\n]*/,

    parameter: ($) =>
      seq(
        $.parameter_name,
        "=",
        $.parameter_value,
        repeat(seq(",", $.parameter_value)),
      ),

    parameter_name: ($) => /[A-Za-z0-9-]+/,

    parameter_value: ($) => choice(/[^";:,\x00-\x1F]+/, /"[^"\x00-\x1F]+"/),
  },
});