packages feed

pandoc-dhall-decoder (empty) → 0.1.0.0

raw patch · 5 files changed

+113/−0 lines, 5 filesdep +basedep +dhalldep +either

Dependencies added: base, dhall, either, pandoc, text

Files

+ ChangeLog.md view
@@ -0,0 +1,5 @@+# Changelog for pandoc-dhall-decoder++## v0.1.0.0++* Working pandoc decoder for dhall.
+ LICENSE view
@@ -0,0 +1,30 @@+Copyright Daniel Firth (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 Daniel Firth 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 view
@@ -0,0 +1,13 @@+# pandoc-dhall-decoder++This module allows you to decode a `Pandoc` value using any `Text.Pandoc.Readers` function.++You should use newtypes like so:++```+newtype MyDoc = Project Pandoc+  deriving stock (Eq, Show, Generic)++instance D.FromDhall MyDoc where+  autoWith options = fmap MyDoc $ pandocDecoder readMarkdown def options+```
+ pandoc-dhall-decoder.cabal view
@@ -0,0 +1,39 @@+cabal-version: 1.12++-- This file has been generated from package.yaml by hpack version 0.34.2.+--+-- see: https://github.com/sol/hpack++name:           pandoc-dhall-decoder+version:        0.1.0.0+synopsis:       Decodes pandoc to dhall.+description:    Please see the README on GitHub at <https://github.com/githubuser/pandoc-dhall-decoder#readme>+category:       dhall pandoc+author:         Daniel Firth+maintainer:     dan.firth@homotopic.tech+copyright:      dan.firth@homotopic.tech+license:        BSD3+license-file:   LICENSE+build-type:     Simple+extra-source-files:+    README.md+    ChangeLog.md++source-repository head+  type: git+  location: https://gitlab.com/homotopic-tech/pandoc-dhall-decoder++library+  exposed-modules:+      Text.Pandoc.Dhall+  other-modules:+      Paths_pandoc_dhall_decoder+  hs-source-dirs:+      src+  build-depends:+      base >=4.7 && <5+    , dhall+    , either+    , pandoc+    , text+  default-language: Haskell2010
+ src/Text/Pandoc/Dhall.hs view
@@ -0,0 +1,26 @@+module Text.Pandoc.Dhall where++import Data.Either.Validation+import qualified Dhall as D+import Text.Pandoc+import Data.Text as T++-- | Decode a Pandoc value.+pandocDecoder :: (ReaderOptions -> Text -> PandocPure Pandoc) -> ReaderOptions -> D.InputNormalizer -> D.Decoder Pandoc+pandocDecoder f ropts opts =+      D.Decoder+            { D.extract = extractDoc+            , D.expected = expectedDoc+            }+      where+        docDecoder :: D.Decoder Text+        docDecoder = D.autoWith opts++        extractDoc expression =+          case D.extract docDecoder expression of+              Success x -> case runPure (f ropts x) of+                Left exception   -> D.extractError (T.pack $ show exception)+                Right path       -> Success path+              Failure e        -> Failure e++        expectedDoc = D.expected docDecoder