web-encodings-0.2.0: Encapsulate multiple web encoding in a single package.

Portabilityportable
StabilityStable
MaintainerMichael Snoyman <michael@snoyman.com>

Web.Encodings

Contents

Description

Various web encodings.

Synopsis

Simple encodings.

URL (percentage encoding)

encodeUrl :: StringLike s => s -> sSource

Encode all but unreserved characters with percentage encoding.

Assumes use of UTF-8 character encoding.

decodeUrl :: StringLike s => s -> sSource

Decode percentage encoding. Assumes use of UTF-8 character encoding.

HTML (entity encoding)

encodeHtml :: StringLike s => s -> sSource

Escape special HTML characters.

decodeHtml :: StringLike s => s -> sSource

Decode HTML-encoded content into plain content.

Note: this does not support all HTML entities available. It also swallows all failures.

JSON

encodeJson :: StringLike s => s -> sSource

Perform JSON-encoding on a string. Does not wrap in quotation marks. Taken from json package by Sigbjorn Finne.

HTTP level encoding.

Query string- pairs of percentage encoding

encodeUrlPairs :: StringLike s => [(s, s)] -> sSource

Convert a list of key-values pairs into a query string. Does not include the question mark at the beginning.

decodeUrlPairs :: StringLike s => s -> [(s, s)]Source

Convert into key-value pairs. Strips the leading ? if necesary.

Post parameters

data FileInfo s c Source

Information on an uploaded file.

Constructors

FileInfo 

Fields

fileName :: s
 
fileContentType :: s
 
fileContent :: c
 

Instances

Show s => Show (FileInfo s a) 

parseMultipartSource

Arguments

:: StringLike s 
=> String

boundary

-> s

content

-> ([(s, s)], [(s, FileInfo s s)]) 

Parse a multipart form into parameters and files.

parsePostSource

Arguments

:: StringLike s 
=> String

content type

-> String

content length

-> s

body of the post

-> ([(s, s)], [(s, FileInfo s s)]) 

Parse a post request. This function determines the correct decoding function to use.

Cookies

decodeCookies :: String -> [(String, String)]Source

Decode the value of an HTTP_COOKIE header into key/value pairs.

Date/time encoding

formatW3 :: UTCTime -> StringSource

Format a UTCTime in W3 format; useful for setting cookies.