diff options
Diffstat (limited to 'src/Text/Hakyll')
| -rw-r--r-- | src/Text/Hakyll/ContextManipulations.hs | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/Text/Hakyll/ContextManipulations.hs b/src/Text/Hakyll/ContextManipulations.hs index b2706be..2ececc6 100644 --- a/src/Text/Hakyll/ContextManipulations.hs +++ b/src/Text/Hakyll/ContextManipulations.hs @@ -6,13 +6,14 @@ module Text.Hakyll.ContextManipulations , changeUrl , copyValue , renderDate + , renderDateWithLocale , changeExtension , renderBody ) where import Control.Monad (liftM) import Control.Arrow (arr) -import System.Locale (defaultTimeLocale) +import System.Locale (TimeLocale, defaultTimeLocale) import System.FilePath (takeFileName, addExtension, dropExtension) import Data.Time.Format (parseTime, formatTime) import Data.Time.Clock (UTCTime) @@ -66,11 +67,24 @@ copyValue source destination = renderValue source destination id -- > renderDate "date" "%B %e, %Y" "Date unknown" -- -- Will render something like @January 32, 2010@. +-- renderDate :: String -- ^ Key in which the rendered date should be placed. -> String -- ^ Format to use on the date. -> String -- ^ Default key, in case the date cannot be parsed. -> HakyllAction Context Context -renderDate key format defaultValue = renderValue "path" key renderDate' +renderDate = renderDateWithLocale defaultTimeLocale + +-- | This is an extended version of 'renderDate' that allows you to specify a +-- time locale that is used for outputting the date. For more details, see +-- 'renderDate'. +-- +renderDateWithLocale :: TimeLocale -- ^ Output time locale. + -> String -- ^ Destination key. + -> String -- ^ Format to use on the date. + -> String -- ^ Default key. + -> HakyllAction Context Context +renderDateWithLocale locale key format defaultValue = + renderValue "path" key renderDate' where renderDate' filePath = fromMaybe defaultValue $ do let dateString = substituteRegex "^([0-9]*-[0-9]*-[0-9]*).*" "\\1" @@ -78,7 +92,7 @@ renderDate key format defaultValue = renderValue "path" key renderDate' time <- parseTime defaultTimeLocale "%Y-%m-%d" dateString :: Maybe UTCTime - return $ formatTime defaultTimeLocale format time + return $ formatTime locale format time -- | Change the extension of a file. This is only needed when you want to -- render, for example, mardown to @.php@ files instead of @.html@ files. |