Initial commit

.gitignore

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+.stack-work/
+*~

ChangeLog.md

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+# Changelog for attoparsec-fakedata
+
+## Unreleased changes

LICENSE

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+Copyright Sibi Prabakaran (c) 2020
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Sibi Prabakaran nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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+# attoparsec-fakedata

Setup.hs

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+import Distribution.Simple
+main = defaultMain

app/Main.hs

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+module Main where
+
+import Lib
+
+main :: IO ()
+main = someFunc

attoparsec-fakedata.cabal

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+cabal-version: 1.12
+
+-- This file has been generated from package.yaml by hpack version 0.31.2.
+--
+-- see: https://github.com/sol/hpack
+--
+-- hash: c51d59ceceb7157111fb2583f2571bd895b283edce6caf406bb27109679ca895
+
+name:           attoparsec-fakedata
+version:        0.1.0.0
+description:    Please see the README on GitHub at <https://github.com/psibi/attoparsec-fakedata#readme>
+homepage:       https://github.com/psibi/attoparsec-fakedata#readme
+bug-reports:    https://github.com/psibi/attoparsec-fakedata/issues
+author:         Sibi Prabakaran
+maintainer:     sibi@psibi.in
+copyright:      Sibi Prabakaran
+license:        BSD3
+license-file:   LICENSE
+build-type:     Simple
+extra-source-files:
+    README.md
+    ChangeLog.md
+
+source-repository head
+  type: git
+  location: https://github.com/psibi/attoparsec-fakedata
+
+library
+  exposed-modules:
+      Lib
+  other-modules:
+      Paths_attoparsec_fakedata
+  hs-source-dirs:
+      src
+  build-depends:
+      attoparsec
+    , base >=4.7 && <5
+    , text
+  default-language: Haskell2010
+
+executable attoparsec-fakedata-exe
+  main-is: Main.hs
+  other-modules:
+      Paths_attoparsec_fakedata
+  hs-source-dirs:
+      app
+  ghc-options: -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      attoparsec
+    , attoparsec-fakedata
+    , base >=4.7 && <5
+    , text
+  default-language: Haskell2010
+
+test-suite attoparsec-fakedata-test
+  type: exitcode-stdio-1.0
+  main-is: Spec.hs
+  other-modules:
+      Paths_attoparsec_fakedata
+  hs-source-dirs:
+      test
+  ghc-options: -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      attoparsec
+    , attoparsec-fakedata
+    , base >=4.7 && <5
+    , hspec
+    , text
+  default-language: Haskell2010

package.yaml

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+name:                attoparsec-fakedata
+version:             0.1.0.0
+github:              "psibi/attoparsec-fakedata"
+license:             BSD3
+author:              "Sibi Prabakaran"
+maintainer:          "sibi@psibi.in"
+copyright:           "Sibi Prabakaran"
+
+extra-source-files:
+- README.md
+- ChangeLog.md
+
+# Metadata used when publishing your package
+# synopsis:            Short description of your package
+# category:            Web
+
+# To avoid duplicated efforts in documentation and dealing with the
+# complications of embedding Haddock markup inside cabal files, it is
+# common to point users to the README.md file.
+description:         Please see the README on GitHub at <https://github.com/psibi/attoparsec-fakedata#readme>
+
+dependencies:
+- base >= 4.7 && < 5
+- attoparsec
+- text
+
+library:
+  source-dirs: src
+
+executables:
+  attoparsec-fakedata-exe:
+    main:                Main.hs
+    source-dirs:         app
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - attoparsec-fakedata
+
+tests:
+  attoparsec-fakedata-test:
+    main:                Spec.hs
+    source-dirs:         test
+    ghc-options:
+    - -threaded
+    - -rtsopts
+    - -with-rtsopts=-N
+    dependencies:
+    - attoparsec-fakedata
+    - hspec

src/Lib.hs

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+module Lib where
+
+import Control.Applicative
+import Control.Monad (void)
+import qualified Data.Attoparsec.Text as P
+import Data.Text (Text)
+import qualified Data.Text as T
+
+-- Assumptions of the parser. #{ will have #}
+-- "PO Box ###{test} hi ??"
+data FakeIRValue
+  = Literal Text
+  | Hash Int
+  | Ques Int
+  | Resolve Text
+  deriving (Show, Eq)
+
+data FakedataIR =
+  FakedataIR
+    { values :: [FakeIRValue]
+    }
+  deriving (Show, Eq)
+
+parseLiteralText :: P.Parser FakeIRValue
+parseLiteralText = do
+  literal <- many $ P.satisfy (not . isHashOrQues)
+  pure $ Literal $ T.pack literal
+
+parseLiteralTextSome :: P.Parser FakeIRValue
+parseLiteralTextSome = do
+  literal <- some $ P.satisfy (not . isHashOrQues)
+  pure $ Literal $ T.pack literal
+
+
+parseHash :: P.Parser [FakeIRValue]
+parseHash = do
+  hashes <- many $ P.char '#'
+  let numHahes = Prelude.length hashes
+  nh <-
+    case numHahes of
+      0 -> pure Nothing
+      n -> P.peekChar
+  case nh of
+    Nothing -> pure $ [Hash numHahes]
+    Just c ->
+      if c == '{'
+        then do
+          void P.anyChar
+          xs <- P.takeTill (\a -> a == '}')
+          void $ P.char '#'
+          case numHahes of
+            0 -> fail "parseHash: undefined state"
+            1 -> pure $ [Resolve xs]
+            n -> pure $ [Hash (numHahes - 1), Resolve xs]
+        else pure $ [Hash numHahes]
+
+parseHashSome :: P.Parser [FakeIRValue]
+parseHashSome = do
+  hashes <- some $ P.char '#'
+  let numHahes = Prelude.length hashes
+  nh <- P.peekChar
+  case nh of
+    Nothing -> pure $ [Hash numHahes]
+    Just c ->
+      if c == '{'
+        then do
+          void P.anyChar
+          xs <- P.takeTill (\a -> a == '}')
+          void P.anyChar
+          case numHahes of
+            0 -> fail "parseHash: undefined state"
+            1 -> pure $ [Resolve xs]
+            n -> pure $ [Hash (numHahes - 1), Resolve xs]
+        else pure $ [Hash numHahes]
+
+parseQues :: P.Parser FakeIRValue
+parseQues = do
+  ques <- many $ P.char '?'
+  pure $ Ques (Prelude.length ques)
+
+parseQuesSome :: P.Parser FakeIRValue
+parseQuesSome = do
+  ques <- some $ P.char '?'
+  pure $ Ques (Prelude.length ques)
+
+-- parseAllFakedata :: P.Parser [FakeIRValue]
+-- parseAllFakedata = do
+--   a <- (parseLiteralText <|> parseHash <|> parseQues)
+--   b <- parseAllFakedata
+--   pure $ (a:b)
+singleton :: a -> [a]
+singleton x = [x]
+
+-- parseFakedata :: P.Parser [FakeIRValue]
+-- parseFakedata = do
+--   a <-
+--     ((singleton <$> parseLiteralText) <|> parseHash <|>
+--      (singleton <$> parseQues))
+--   b <-
+--     (parseHash <|> (singleton <$> parseLiteralText) <|>
+--      (singleton <$> parseQues))
+--   c <-
+--     ((singleton <$> parseQues) <|> (singleton <$> parseLiteralText) <|>
+--      parseHash)
+--   pure $ a <> b <> c
+
+parseFakedata :: P.Parser [FakeIRValue]
+parseFakedata = do
+  xs <- many $ ((singleton <$> parseLiteralTextSome) <|> parseHashSome <|> (singleton <$> parseQuesSome))
+  pure $ concat xs
+
+isHashOrQues :: Char -> Bool
+isHashOrQues '?' = True
+isHashOrQues '#' = True
+isHashOrQues _ = False
+
+-- parser :: Parser FakeIRValue
+-- parser = do
+--   literal <- takeWhile (not . isHashOrQues)
+someFunc :: IO ()
+someFunc = putStrLn "someFunc"

stack.yaml

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+# This file was automatically generated by 'stack init'
+#
+# Some commonly used options have been documented as comments in this file.
+# For advanced use and comprehensive documentation of the format, please see:
+# https://docs.haskellstack.org/en/stable/yaml_configuration/
+
+# Resolver to choose a 'specific' stackage snapshot or a compiler version.
+# A snapshot resolver dictates the compiler version and the set of packages
+# to be used for project dependencies. For example:
+#
+# resolver: lts-3.5
+# resolver: nightly-2015-09-21
+# resolver: ghc-7.10.2
+#
+# The location of a snapshot can be provided as a file or url. Stack assumes
+# a snapshot provided as a file might change, whereas a url resource does not.
+#
+# resolver: ./custom-snapshot.yaml
+# resolver: https://example.com/snapshots/2018-01-01.yaml
+resolver: lts-16.5
+
+# User packages to be built.
+# Various formats can be used as shown in the example below.
+#
+# packages:
+# - some-directory
+# - https://example.com/foo/bar/baz-0.0.2.tar.gz
+#   subdirs:
+#   - auto-update
+#   - wai
+packages:
+- .
+# Dependency packages to be pulled from upstream that are not in the resolver.
+# These entries can reference officially published versions as well as
+# forks / in-progress versions pinned to a git hash. For example:
+#
+# extra-deps:
+# - acme-missiles-0.3
+# - git: https://github.com/commercialhaskell/stack.git
+#   commit: e7b331f14bcffb8367cd58fbfc8b40ec7642100a
+#
+# extra-deps: []
+
+# Override default flag values for local packages and extra-deps
+# flags: {}
+
+# Extra package databases containing global packages
+# extra-package-dbs: []
+
+# Control whether we use the GHC we find on the path
+# system-ghc: true
+#
+# Require a specific version of stack, using version ranges
+# require-stack-version: -any # Default
+# require-stack-version: ">=2.1"
+#
+# Override the architecture used by stack, especially useful on Windows
+# arch: i386
+# arch: x86_64
+#
+# Extra directories used by stack for building
+# extra-include-dirs: [/path/to/dir]
+# extra-lib-dirs: [/path/to/dir]
+#
+# Allow a newer minor version of GHC than the snapshot specifies
+# compiler-check: newer-minor

stack.yaml.lock

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+# This file was autogenerated by Stack.
+# You should not edit this file by hand.
+# For more information, please see the documentation at:
+#   https://docs.haskellstack.org/en/stable/lock_files
+
+packages: []
+snapshots:
+- completed:
+    size: 531707
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/16/5.yaml
+    sha256: 9751e25e0af5713a53ddcfcc79564b082c71b1b357fadef0d85672a5b5ba3703
+  original: lts-16.5