Walk.hs

-- Note: this is an automatically generated file. Do not edit.

-- | Pure directory-traversal decision helpers: deterministic ordering and basename matching over observed paths

module Hydra.Build.Walk where

import qualified Hydra.Ast as Ast
import qualified Hydra.Coders as Coders
import qualified Hydra.Core as Core
import qualified Hydra.Docs as Docs
import qualified Hydra.Error.Checking as Checking
import qualified Hydra.Error.Core as ErrorCore
import qualified Hydra.Error.File as ErrorFile
import qualified Hydra.Error.Packaging as ErrorPackaging
import qualified Hydra.Error.System as ErrorSystem
import qualified Hydra.Errors as Errors
import qualified Hydra.File as File
import qualified Hydra.Graph as Graph
import qualified Hydra.Json.Model as Model
import qualified Hydra.Overlay.Haskell.Lib.Equality as Equality
import qualified Hydra.Overlay.Haskell.Lib.Lists as Lists
import qualified Hydra.Overlay.Haskell.Lib.Logic as Logic
import qualified Hydra.Overlay.Haskell.Lib.Optionals as Optionals
import qualified Hydra.Overlay.Haskell.Lib.Ordering as Ordering
import qualified Hydra.Overlay.Haskell.Lib.Strings as Strings
import qualified Hydra.Packaging as Packaging
import qualified Hydra.Parsing as Parsing
import qualified Hydra.Paths as Paths
import qualified Hydra.Query as Query
import qualified Hydra.Regex as Regex
import qualified Hydra.Relational as Relational
import qualified Hydra.System as System
import qualified Hydra.Tabular as Tabular
import qualified Hydra.Testing as Testing
import qualified Hydra.Time as Time
import qualified Hydra.Topology as Topology
import qualified Hydra.Typed as Typed
import qualified Hydra.Typing as Typing
import qualified Hydra.Util as Util
import qualified Hydra.Validation as Validation
import qualified Hydra.Variants as Variants
import Prelude hiding  (Enum, Ordering, decodeFloat, encodeFloat, fail, lines, map, pure, sum, unlines)
import qualified Data.Scientific as Sci

-- | The final /-separated segment of a path (its file name)
baseName :: String -> String
baseName path = Optionals.match (Lists.last (Strings.splitOn "/" path)) path (\seg -> seg)

-- | The extension of a path (after the final . in its file name), or empty if none
extensionOf :: String -> String
extensionOf path =

      let dotParts = Strings.splitOn "." (baseName path)
      in (Logic.ifElse (Ordering.gt (Lists.length dotParts) 1) (Optionals.match (Lists.last dotParts) "" (\ext -> ext)) "")

-- | Paths whose file name equals the given name, sorted deterministically
filterByBaseName :: String -> [String] -> [String]
filterByBaseName name paths = sortPaths (Lists.filter (\path -> matchesBaseName name path) paths)

-- | Paths whose extension equals the given extension, sorted deterministically
filterByExtension :: String -> [String] -> [String]
filterByExtension ext paths = sortPaths (Lists.filter (\path -> matchesExtension ext path) paths)

-- | Whether a path's file name equals the given name
matchesBaseName :: String -> String -> Bool
matchesBaseName name path = Equality.equal (baseName path) name

-- | Whether a path's extension equals the given extension
matchesExtension :: String -> String -> Bool
matchesExtension ext path = Equality.equal (extensionOf path) ext

-- | Sort a list of paths into a deterministic ascending order
sortPaths :: Ord t0 => ([t0] -> [t0])
sortPaths paths = Lists.sort paths