Safe Haskell	None
Language	Haskell2010

Xeno.SAX

Description

SAX parser and API for XML.

Synopsis

process :: (Monad m, StringLike str) => Process (m ()) -> str -> m ()
data Process a = Process {
- openF :: !(ByteString -> a)
- attrF :: !(ByteString -> ByteString -> a)
- endOpenF :: !(ByteString -> a)
- textF :: !(ByteString -> a)
- closeF :: !(ByteString -> a)
- cdataF :: !(ByteString -> a)
}
class StringLike str where
- s_index' :: str -> Int -> Word8
- elemIndexFrom' :: Word8 -> str -> Int -> Maybe Int
- drop' :: Int -> str -> str
- substring' :: str -> Int -> Int -> ByteString
- toBS :: str -> ByteString
fold :: (s -> ByteString -> s) -> (s -> ByteString -> ByteString -> s) -> (s -> ByteString -> s) -> (s -> ByteString -> s) -> (s -> ByteString -> s) -> (s -> ByteString -> s) -> s -> ByteString -> Either XenoException s
validate :: StringLike str => str -> Bool
validateEx :: StringLike str => str -> Bool
dump :: ByteString -> IO ()
skipDoctype :: ByteString -> ByteString

Documentation

process :: (Monad m, StringLike str) => Process (m ()) -> str -> m () Source #

Process events with callbacks in the XML input.

data Process a Source #

Parameters to the process function

Constructors

Process
Fields openF :: !(ByteString -> a) Open tag. attrF :: !(ByteString -> ByteString -> a) Tag attribute. endOpenF :: !(ByteString -> a) End open tag. textF :: !(ByteString -> a) Text. closeF :: !(ByteString -> a) Close tag. cdataF :: !(ByteString -> a) CDATA.

class StringLike str where Source #

Methods

s_index' :: str -> Int -> Word8 Source #

elemIndexFrom' :: Word8 -> str -> Int -> Maybe Int Source #

drop' :: Int -> str -> str Source #

substring' :: str -> Int -> Int -> ByteString Source #

toBS :: str -> ByteString Source #

Instances

Instances details

StringLike ByteString Source #
Instance details Defined in Xeno.SAX Methods s_index' :: ByteString -> Int -> Word8 Source # elemIndexFrom' :: Word8 -> ByteString -> Int -> Maybe Int Source # drop' :: Int -> ByteString -> ByteString Source # substring' :: ByteString -> Int -> Int -> ByteString Source # toBS :: ByteString -> ByteString Source #
StringLike ByteStringZeroTerminated Source #
Instance details Defined in Xeno.SAX Methods s_index' :: ByteStringZeroTerminated -> Int -> Word8 Source # elemIndexFrom' :: Word8 -> ByteStringZeroTerminated -> Int -> Maybe Int Source # drop' :: Int -> ByteStringZeroTerminated -> ByteStringZeroTerminated Source # substring' :: ByteStringZeroTerminated -> Int -> Int -> ByteString Source # toBS :: ByteStringZeroTerminated -> ByteString Source #

fold Source #

Arguments

:: (s -> ByteString -> s)	Open tag.
-> (s -> ByteString -> ByteString -> s)	Attribute key/value.
-> (s -> ByteString -> s)	End of open tag.
-> (s -> ByteString -> s)	Text.
-> (s -> ByteString -> s)	Close tag.
-> (s -> ByteString -> s)	CDATA.
-> s
-> ByteString
-> Either XenoException s

Fold over the XML input.

validate :: StringLike str => str -> Bool Source #

Parse the XML but return no result, process no events.

N.B.: Only the lexical correctness of the input string is checked, not its XML semantics (e.g. only if tags are well formed, not whether tags are properly closed)

> :set -XOverloadedStrings
> validate "<b>"
True

> validate "<b"
False

validateEx :: StringLike str => str -> Bool Source #

Parse the XML and checks tags nesting.

dump :: ByteString -> IO () Source #

Parse the XML and pretty print it to stdout.

skipDoctype :: ByteString -> ByteString Source #

Skip initial DOCTYPE declaration