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return theList as text | lns3.scpt |
end _replaceText | lns3.scpt |
to encode URL characters theText preserving allowedCharacters : ("") | lns3.scpt |
set theText to _support's asTextParameter(theText, "") | lns3.scpt |
set allowedCharacters to _safeCharacters & _support's asTextParameter(allowedCharacters, "preserving") | lns3.scpt |
set asocAllowedChars to current application's NSCharacterSet's characterSetWithCharactersInString:allowedCharacters | lns3.scpt |
set asocResult to _support's asNSString(theText)'s stringByAddingPercentEncodingWithAllowedCharacters:asocAllowedChars -- Returns a new string made from the receiver by replacing all characters not in the allowedCharacters set with percent encoded characters. UTF-8 encoding is used to determine the correct percent encoded characters. Entire URL strings cannot be percent-encoded. This method is intended to percent-encode an URL component or subcomponent string, NOT the entire URL string. Any characters in allowedCharacters outside of the 7-bit ASCII range are ignored. | lns3.scpt |
if asocResult is missing value then error "Couldn't convert characters to percent escapes." number -1703 from theText -- NSString docs are hopeless on details | lns3.scpt |
return asocResult as text | lns3.scpt |
_error("encode URL characters", eText, eNumber, eFrom, eTo) | lns3.scpt |
end encode URL characters | lns3.scpt |
to decode URL characters theText | lns3.scpt |
set asocResult to _support's asNSString(theText)'s stringByRemovingPercentEncoding() -- Returns a new string made from the receiver by replacing all percent encoded sequences with the matching UTF-8 characters. (NSURLUtilites, 10.9+) | lns3.scpt |
if asocResult is missing value then error "Couldn't convert percent escapes to characters (e.g. not valid UTF8)." number -1703 from theText | lns3.scpt |
_error("decode URL characters", eText, eNumber, eFrom, eTo) | lns3.scpt |
end decode URL characters | lns3.scpt |
to split URL query string queryText | lns3.scpt |
set oldTIDs to AppleScript's text item delimiters | lns3.scpt |
set queryText to _replaceText(_support's asTextParameter(queryText, ""), "+", space) | lns3.scpt |
set AppleScript's text item delimiters to "&" | lns3.scpt |
set queryList to queryText's text items | lns3.scpt |
set AppleScript's text item delimiters to "=" | lns3.scpt |
repeat with aRef in queryList | lns3.scpt |
set queryParts to text items of (get aRef's contents) | lns3.scpt |
if length of queryParts ≠ 2 then error "Invalid query string." number -1703 from queryText -- TO DO: implement 'without strict parsing' option, in which case missing `=` wouldn't throw error? | lns3.scpt |
set aRef's contents to {decode URL characters (item 1 of queryParts), decode URL characters (item 2 of queryParts)} | lns3.scpt |
set AppleScript's text item delimiters to oldTIDs | lns3.scpt |
return queryList | lns3.scpt |
_error("split URL query string", eText, eNumber, eFrom, eTo) | lns3.scpt |
end split URL query string | lns3.scpt |
to join URL query string queryList | lns3.scpt |
set queryList to _support's asList(queryList, "")'s items | lns3.scpt |
set kvPair to aRef's contents | lns3.scpt |
if not (count {kvPair} each list) = 1 and kvPair's length = 2 then error "Invalid query list (not a list of key-value sublists)." number -1703 from aRef | lns3.scpt |
if not (count kvPair each text) = 2 then | lns3.scpt |
error "Invalid query list (keys and values must be text)." number -1703 from aRef | lns3.scpt |
set aRef's contents to _replaceText((encode URL characters (kvPair's item 1) preserving space) & "=" & (encode URL characters (kvPair's item 2) preserving space), space, "+") | lns3.scpt |
set queryText to queryList as text | lns3.scpt |
return queryText | lns3.scpt |
_error("join URL query string", eText, eNumber, eFrom, eTo) | lns3.scpt |
end join URL query string | lns3.scpt |
to encode JSON jsonObject extra white space isPrettyPrinted : (false) | lns3.scpt |
if _support's asBooleanParameter(isPrettyPrinted, "extra white space") then | lns3.scpt |
set writeOptions to current application's NSJSONWritingPrettyPrinted | lns3.scpt |
set writeOptions to 0 | lns3.scpt |
if not (current application's NSJSONSerialization's isValidJSONObject:jsonObject) then | lns3.scpt |
error "Can’t convert object to JSON (found unsupported object type)." number -1703 from jsonObject | lns3.scpt |
set {theData, theError} to current application's NSJSONSerialization's dataWithJSONObject:jsonObject options:writeOptions |error|:(specifier) | lns3.scpt |
if theData is missing value then error "Can’t convert object to JSON(" & theError's localizedDescription() & ")." number -1703 from jsonObject | lns3.scpt |
return (current application's NSString's alloc()'s initWithData:theData encoding:(current application's NSUTF8StringEncoding)) as text | lns3.scpt |
_error("encode JSON", eText, eNumber, eFrom, eTo) | lns3.scpt |
end encode JSON | lns3.scpt |
to decode JSON jsonText fragments allowed areFragmentsAllowed : (false) | lns3.scpt |
set jsonText to _support's asTextParameter(jsonText, "") | lns3.scpt |
if _support's asBooleanParameter(areFragmentsAllowed, "allowing fragments") then | lns3.scpt |
set readOptions to current application's NSJSONReadingAllowFragments | lns3.scpt |
set readOptions to 0 | lns3.scpt |
set theData to _support's asNSString(jsonText)'s dataUsingEncoding:(current application's NSUTF8StringEncoding) | lns3.scpt |
set {jsonObject, theError} to current application's NSJSONSerialization's JSONObjectWithData:theData options:readOptions |error|:(specifier) | lns3.scpt |
if jsonObject is missing value then error "Not valid JSON (" & theError's localizedDescription() & ")." number -1703 from jsonText | lns3.scpt |
return jsonObject as any | lns3.scpt |
_error("decode JSON", eText, eNumber, eFrom, eTo) | lns3.scpt |
end decode JSON | lns3.scpt |
to encode Base64 theText | lns3.scpt |
set asocString to _support's asNSString(_support's asTextParameter(theText, "")) | lns3.scpt |
return asocString's dataUsingEncoding:((current application's NSUTF8StringEncoding)'s base64EncodedStringWithOptions:0) | lns3.scpt |
_error("encode Base64", eText, eNumber, eFrom, eTo) | lns3.scpt |
end encode Base64 | lns3.scpt |
to decode Base64 theText | lns3.scpt |
set asocData to current application's NSData's alloc()'s initWithBase64EncodedString:theText options:(current application's NSDataBase64DecodingIgnoreUnknownCharacters) -- ignores line breaks and other non-Base64 chars; TO DO: would it be better to strip white space chars separately, then fail if text contains any other non-Base64 chars | lns3.scpt |
set asocString to (current application's NSString's alloc()'s initWithData:asocData encoding:(current application's NSUTF8StringEncoding)) | lns3.scpt |
if asocString is missing value then _support's throwInvalidParameter(theText, "", text, "Base64-encoded data doesn't contain UTF8-encoded text.") | lns3.scpt |
_error("decode Base64", eText, eNumber, eFrom, eTo) | lns3.scpt |
end decode Base64 | lns3.scpt |
property _excludeHeaders : {"Authorization", "Connection", "Host", "Proxy-Authenticate", "Proxy-Authorization", "WWW-Authenticate", "Content-Length"} -- note: unlike authorization headers, "Content-Length" isn't reserved by NSSession but is already set automatically so no point allowing users to override with potentially wrong value | lns3.scpt |
script _NSStringEncodings -- used by `send HTTP request` to automatically encode/decode text-based request/response body data | lns3.scpt |
property _list : missing value | lns3.scpt |
to _init() | lns3.scpt |
set _list to {¬
{{"utf-8", "utf8"}, current application's NSUTF8StringEncoding}, ¬ | lns3.scpt |
{{"utf-16", "utf16"}, current application's NSUTF16StringEncoding}, ¬ | lns3.scpt |
{{"utf-16be", "utf16be"}, current application's NSUTF16BigEndianStringEncoding}, ¬ | lns3.scpt |
{{"utf-16le", "utf16le"}, current application's NSUTF16LittleEndianStringEncoding}, ¬ | lns3.scpt |
{{"utf-32", "utf32"}, current application's NSUTF32StringEncoding}, ¬ | lns3.scpt |
{{"utf-32be", "utf32be"}, current application's NSUTF32BigEndianStringEncoding}, ¬ | lns3.scpt |
{{"utf-32le", "utf32le"}, current application's NSUTF32LittleEndianStringEncoding}, ¬ | lns3.scpt |
{{"ascii"}, current application's NSASCIIStringEncoding}, ¬ | lns3.scpt |
{{"iso-2022-jp", "iso2022jp", "csiso2022jp"}, current application's NSISO2022JPStringEncoding}, ¬ | lns3.scpt |
{{"iso-8859-1", "latin1", "iso8859-1"}, current application's NSISOLatin1StringEncoding}, ¬ | lns3.scpt |
{{"iso-8859-2", "latin2", "iso8859-2"}, current application's NSISOLatin2StringEncoding}, ¬ | lns3.scpt |
{{"euc-jp", "u-jis", "eucjp", "ujis"}, current application's NSJapaneseEUCStringEncoding}, ¬ | lns3.scpt |
{{"macroman"}, current application's NSMacOSRomanStringEncoding}, ¬ | lns3.scpt |
{{"shift-jis", "s-jis", "sjis"}, current application's NSShiftJISStringEncoding}, ¬ | lns3.scpt |
{{"windows-1250", "windows1250", "cp1250"}, current application's NSWindowsCP1250StringEncoding}, ¬ | lns3.scpt |
{{"windows-1251", "windows1251", "cp1251"}, current application's NSWindowsCP1251StringEncoding}, ¬ | lns3.scpt |
{{"windows-1252", "windows1252", "cp1252"}, current application's NSWindowsCP1252StringEncoding}, ¬ | lns3.scpt |
{{"windows-1253", "windows1253", "cp1253"}, current application's NSWindowsCP1253StringEncoding}, ¬ | lns3.scpt |
{{"windows-1254", "windows1254", "cp1254"}, current application's NSWindowsCP1254StringEncoding}} | lns3.scpt |
end _init | lns3.scpt |
to getEncoding(textEncoding) | lns3.scpt |
if _list is missing value then _init() | lns3.scpt |
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