Hascat.Protocol

Documentation

data Input

The value of an input parameter, and some metadata.

Constructors

Input

Fields

inputValue :: ByteString

inputFilename :: Maybe String

inputContentType :: ContentType

Instances

Show Input

data ServletRequest

Constructors

ServletRequest

Fields

rqURI :: URI

rqMethod :: RequestMethod

rqHeaders :: [Header]

rqInputs :: [(String, Input)]

Input parameters. For better laziness in reading inputs, this is not a Map.

rqBody :: ByteString

Instances

Show ServletRequest

Inputs

decodeInput :: Request ByteString -> ServletRequest

Gets and decodes the input according to the request method and the content-type.

takeInput

Arguments

:: [Header]

-> ByteString

Request body.

-> ByteString

CONTENT_LENGTH bytes from the request body, or the empty string if there is no CONTENT_LENGTH.

Takes the right number of bytes from the input.

URL encoding

formDecode :: String -> [(String, String)]

Gets the name-value pairs from application/x-www-form-urlencoded data.

urlDecode :: String -> String

Converts a single value from the application/x-www-form-urlencoded encoding.

Utilities

maybeRead :: Read a => String -> Maybe a

replace

Arguments

:: Eq a

=> a

Value to look for

-> a

Value to replace it with

-> [a]

Input list

-> [a]

Output list

Replaces all instances of a value in a list by another value.