Class: Odin::Transform::TransformParser

Inherits:

Object

• Object
• Odin::Transform::TransformParser

Defined in:

lib/odin/transform/transform_parser.rb

Defined Under Namespace

Classes: ParseError

Constant Summary

VERB_ARITY =

── Complete Verb Arity Table ──

{
  # Arity 0
  "today" => 0, "now" => 0,

  # Arity 1
  "upper" => 1, "lower" => 1, "trim" => 1, "trimLeft" => 1, "trimRight" => 1,
  "coerceString" => 1, "coerceNumber" => 1, "coerceInteger" => 1,
  "coerceBoolean" => 1, "coerceDate" => 1, "coerceTimestamp" => 1,
  "tryCoerce" => 1, "toArray" => 1, "toObject" => 1,
  "not" => 1, "isNull" => 1, "isString" => 1, "isNumber" => 1,
  "isBoolean" => 1, "isArray" => 1, "isObject" => 1, "isDate" => 1,
  "typeOf" => 1,
  "capitalize" => 1, "titleCase" => 1, "length" => 1, "reverseString" => 1,
  "camelCase" => 1, "snakeCase" => 1, "kebabCase" => 1, "pascalCase" => 1,
  "slugify" => 1, "normalizeSpace" => 1, "stripAccents" => 1, "clean" => 1,
  "wordCount" => 1, "soundex" => 1,
  "abs" => 1, "floor" => 1, "ceil" => 1, "negate" => 1, "sign" => 1,
  "trunc" => 1, "isFinite" => 1, "isNaN" => 1, "ln" => 1, "log10" => 1,
  "exp" => 1, "sqrt" => 1,
  "formatInteger" => 1, "formatCurrency" => 1,
  "startOfDay" => 1, "endOfDay" => 1, "startOfMonth" => 1, "endOfMonth" => 1,
  "startOfYear" => 1, "endOfYear" => 1, "dayOfWeek" => 1, "weekOfYear" => 1,
  "quarter" => 1, "isLeapYear" => 1, "toUnix" => 1, "fromUnix" => 1,
  "dayOfMonth" => 1, "dayOfYear" => 1,
  "base64Encode" => 1, "base64Decode" => 1, "urlEncode" => 1, "urlDecode" => 1,
  "jsonEncode" => 1, "jsonDecode" => 1, "hexEncode" => 1, "hexDecode" => 1,
  "sha256" => 1, "sha1" => 1, "sha512" => 1, "md5" => 1, "crc32" => 1,
  "flatten" => 1, "distinct" => 1, "sort" => 1, "sortDesc" => 1,
  "reverse" => 1, "compact" => 1, "unique" => 1, "cumsum" => 1, "cumprod" => 1,
  "sum" => 1, "count" => 1, "min" => 1, "max" => 1, "avg" => 1,
  "first" => 1, "last" => 1,
  "std" => 1, "stdSample" => 1, "variance" => 1, "varianceSample" => 1,
  "median" => 1, "mode" => 1, "rowNumber" => 1,
  "uuid" => 1, "sequence" => 1, "resetSequence" => 1,
  "keys" => 1, "values" => 1, "entries" => 1,
  "toRadians" => 1, "toDegrees" => 1,
  "nextBusinessDay" => 1, "formatDuration" => 1,

  # Arity 2
  "ifNull" => 2, "ifEmpty" => 2,
  "and" => 2, "or" => 2, "xor" => 2,
  "eq" => 2, "ne" => 2, "lt" => 2, "lte" => 2, "gt" => 2, "gte" => 2,
  "contains" => 2, "startsWith" => 2, "endsWith" => 2,
  "truncate" => 2, "join" => 2,
  "mask" => 2, "match" => 2, "leftOf" => 2, "rightOf" => 2,
  "repeat" => 2, "matches" => 2, "levenshtein" => 2, "tokenize" => 2,
  "add" => 2, "subtract" => 2, "multiply" => 2, "divide" => 2, "mod" => 2,
  "formatNumber" => 2, "pow" => 2, "log" => 2, "formatPercent" => 2,
  "parseInt" => 2, "formatLocaleNumber" => 2, "round" => 2,
  "formatDate" => 2, "parseDate" => 2,
  "addDays" => 2, "addMonths" => 2, "addYears" => 2,
  "addHours" => 2, "addMinutes" => 2, "addSeconds" => 2,
  "formatTime" => 2, "formatTimestamp" => 2, "parseTimestamp" => 2,
  "isBefore" => 2, "isAfter" => 2,
  "daysBetweenDates" => 2, "ageFromDate" => 2, "isValidDate" => 2,
  "formatLocaleDate" => 2,
  "accumulate" => 2, "set" => 2,
  "percentile" => 2, "quantile" => 2, "covariance" => 2, "correlation" => 2,
  "weightedAvg" => 2, "npv" => 2, "irr" => 2, "zscore" => 2,
  "sortBy" => 2, "map" => 2, "indexOf" => 2, "at" => 2,
  "includes" => 2, "concatArrays" => 2, "zip" => 2, "groupBy" => 2,
  "take" => 2, "drop" => 2, "chunk" => 2, "pluck" => 2,
  "dedupe" => 2, "diff" => 2, "pctChange" => 2, "limit" => 2,
  "nanoid" => 2,
  "has" => 2, "merge" => 2, "jsonPath" => 2,
  "assert" => 2,
  "formatPhone" => 2, "movingAvg" => 2, "businessDays" => 2,

  # Arity 3
  "ifElse" => 3, "between" => 3,
  "substring" => 3, "replace" => 3, "replaceRegex" => 3,
  "padLeft" => 3, "padRight" => 3, "pad" => 3,
  "split" => 3, "extract" => 3, "wrap" => 3, "center" => 3,
  "clamp" => 3, "random" => 3, "safeDivide" => 3,
  "dateDiff" => 3, "isBetween" => 3,
  "compound" => 3, "discount" => 3, "pmt" => 3, "fv" => 3, "pv" => 3,
  "depreciation" => 3,
  "slice" => 3, "range" => 3, "shift" => 3, "rank" => 3,
  "lag" => 3, "lead" => 3, "sample" => 3, "fillMissing" => 3,
  "get" => 3,
  "reduce" => 3, "pivot" => 3, "unpivot" => 3, "convertUnit" => 3,

  # Arity 4
  "rate" => 4, "nper" => 4,
  "filter" => 4, "every" => 4, "some" => 4, "find" => 4,
  "findIndex" => 4, "partition" => 4,
  "bearing" => 4, "midpoint" => 4,

  # Arity 5
  "distance" => 5, "interpolate" => 5,

  # Arity 6
  "inBoundingBox" => 6
}.freeze

VARIADIC_VERBS =

%w[
  concat coalesce cond switch lookup lookupDefault minOf maxOf
].freeze

ALL_DIRECTIVES =

%w[
  pos len field trim type date time timestamp boolean integer number
  currency percent binary duration reference leftPad rightPad truncate
  upper lower default decimals currencyCode required confidential
  deprecated attr ns if unless omitNull omitEmpty
].freeze

Instance Method Summary

• #parse(text) ⇒ Object
• #parse_expression_string(raw) ⇒ Object

  Public for testing expression parsing.

Instance Method Details

#parse(text) ⇒ Object

Raises:

• (ParseError)

# File 'lib/odin/transform/transform_parser.rb', line 123

def parse(text)
  raise ParseError.new("Transform text cannot be nil", code: "T001") if text.nil?
  raise ParseError.new("Transform text cannot be empty", code: "T001") if text.strip.empty?

  lines = text.lines.map(&:chomp)
  parse_lines(lines)
end

#parse_expression_string(raw) ⇒ Object

Public for testing expression parsing

# File 'lib/odin/transform/transform_parser.rb', line 132

def parse_expression_string(raw)
  return [LiteralExpr.new(Types::DynValue.of_null), []] if raw.nil? || raw.strip.empty?

  raw = raw.strip
  tokens = tokenize_expression(raw)
  return [LiteralExpr.new(Types::DynValue.of_null), []] if tokens.empty?

  expr, remaining = parse_expr_from_tokens(tokens)
  directives = parse_directives(remaining)
  [expr, directives]
end