diff options
Diffstat (limited to 'src/Text/Pandoc/Shared.hs')
-rw-r--r-- | src/Text/Pandoc/Shared.hs | 69 |
1 files changed, 68 insertions, 1 deletions
diff --git a/src/Text/Pandoc/Shared.hs b/src/Text/Pandoc/Shared.hs index 3a61656e5..7a1e6f3e3 100644 --- a/src/Text/Pandoc/Shared.hs +++ b/src/Text/Pandoc/Shared.hs @@ -81,6 +81,9 @@ module Text.Pandoc.Shared ( openURL, collapseFilePath, filteredFilesFromArchive, + -- * URI handling + schemes, + isURI, -- * Error handling mapLeft, -- * for squashing blocks @@ -104,7 +107,7 @@ import Data.List ( find, stripPrefix, intercalate ) import Data.Maybe (mapMaybe) import Data.Version ( showVersion ) import qualified Data.Map as M -import Network.URI ( escapeURIString, unEscapeString ) +import Network.URI ( URI(uriScheme), escapeURIString, unEscapeString, parseURI ) import qualified Data.Set as Set import System.Directory import System.FilePath (splitDirectories, isPathSeparator) @@ -774,6 +777,70 @@ filteredFilesFromArchive zf f = fileAndBinary :: Archive -> FilePath -> Maybe (FilePath, BL.ByteString) fileAndBinary a fp = findEntryByPath fp a >>= \e -> Just (fp, fromEntry e) + +-- +-- IANA URIs +-- + +-- | Schemes from http://www.iana.org/assignments/uri-schemes.html plus +-- the unofficial schemes doi, javascript, isbn, pmid. +schemes :: Set.Set String +schemes = Set.fromList + -- Official IANA schemes + [ "aaa", "aaas", "about", "acap", "acct", "acr", "adiumxtra", "afp", "afs" + , "aim", "appdata", "apt", "attachment", "aw", "barion", "beshare", "bitcoin" + , "blob", "bolo", "browserext", "callto", "cap", "chrome", "chrome-extension" + , "cid", "coap", "coaps", "com-eventbrite-attendee", "content", "crid", "cvs" + , "data", "dav", "dict", "dis", "dlna-playcontainer", "dlna-playsingle" + , "dns", "dntp", "dtn", "dvb", "ed2k", "example", "facetime", "fax", "feed" + , "feedready", "file", "filesystem", "finger", "fish", "ftp", "geo", "gg" + , "git", "gizmoproject", "go", "gopher", "graph", "gtalk", "h323", "ham" + , "hcp", "http", "https", "hxxp", "hxxps", "hydrazone", "iax", "icap", "icon" + , "im", "imap", "info", "iotdisco", "ipn", "ipp", "ipps", "irc", "irc6" + , "ircs", "iris", "iris.beep", "iris.lwz", "iris.xpc", "iris.xpcs" + , "isostore", "itms", "jabber", "jar", "jms", "keyparc", "lastfm", "ldap" + , "ldaps", "lvlt", "magnet", "mailserver", "mailto", "maps", "market" + , "message", "mid", "mms", "modem", "mongodb", "moz", "ms-access" + , "ms-browser-extension", "ms-drive-to", "ms-enrollment", "ms-excel" + , "ms-gamebarservices", "ms-getoffice", "ms-help", "ms-infopath" + , "ms-media-stream-id", "ms-officeapp", "ms-project", "ms-powerpoint" + , "ms-publisher", "ms-search-repair", "ms-secondary-screen-controller" + , "ms-secondary-screen-setup", "ms-settings", "ms-settings-airplanemode" + , "ms-settings-bluetooth", "ms-settings-camera", "ms-settings-cellular" + , "ms-settings-cloudstorage", "ms-settings-connectabledevices" + , "ms-settings-displays-topology", "ms-settings-emailandaccounts" + , "ms-settings-language", "ms-settings-location", "ms-settings-lock" + , "ms-settings-nfctransactions", "ms-settings-notifications" + , "ms-settings-power", "ms-settings-privacy", "ms-settings-proximity" + , "ms-settings-screenrotation", "ms-settings-wifi", "ms-settings-workplace" + , "ms-spd", "ms-sttoverlay", "ms-transit-to", "ms-virtualtouchpad" + , "ms-visio", "ms-walk-to", "ms-whiteboard", "ms-whiteboard-cmd", "ms-word" + , "msnim", "msrp", "msrps", "mtqp", "mumble", "mupdate", "mvn", "news", "nfs" + , "ni", "nih", "nntp", "notes", "ocf", "oid", "onenote", "onenote-cmd" + , "opaquelocktoken", "pack", "palm", "paparazzi", "pkcs11", "platform", "pop" + , "pres", "prospero", "proxy", "pwid", "psyc", "qb", "query", "redis" + , "rediss", "reload", "res", "resource", "rmi", "rsync", "rtmfp", "rtmp" + , "rtsp", "rtsps", "rtspu", "secondlife", "service", "session", "sftp", "sgn" + , "shttp", "sieve", "sip", "sips", "skype", "smb", "sms", "smtp", "snews" + , "snmp", "soap.beep", "soap.beeps", "soldat", "spotify", "ssh", "steam" + , "stun", "stuns", "submit", "svn", "tag", "teamspeak", "tel", "teliaeid" + , "telnet", "tftp", "things", "thismessage", "tip", "tn3270", "tool", "turn" + , "turns", "tv", "udp", "unreal", "urn", "ut2004", "v-event", "vemmi" + , "ventrilo", "videotex", "vnc", "view-source", "wais", "webcal", "wpid" + , "ws", "wss", "wtai", "wyciwyg", "xcon", "xcon-userid", "xfire" + , "xmlrpc.beep", "xmlrpc.beeps", "xmpp", "xri", "ymsgr", "z39.50", "z39.50r" + , "z39.50s" + -- Inofficial schemes + , "doi", "isbn", "javascript", "pmid" + ] + +-- | Check if the string is a valid URL with a IANA or frequently used but +-- unofficial scheme (see @schemes@). +isURI :: String -> Bool +isURI = maybe False hasKnownScheme . parseURI + where + hasKnownScheme = (`Set.member` schemes) . filter (/= ':') . uriScheme + --- --- Squash blocks into inlines --- |