start implimenting a parser

test.ar

@@ -1,54 +1 @@
-import "url.ar" as url
-
-let __makeFile(name, type, data) = do
-    let File = {name: name, type: type, data: data}
-    let save(path) = do
-        let file = file.write(path)
-        file.buffer(data)
-        file.close()
-    File.save = save
-    return File
-
-let __multipart(req, res) = do
-    let boundary = buffer().from(req.headers["content-type"].splitN("boundary=", 2)[1])
-    let newLineSplit = buffer().from("\r\n\r\n")
-    let parts = req.buffer.body.split(boundary)
-    for (i from 0 to parts.length) do
-        let str = parts[i].to("string")
-        if (str == "" || str=="--" || str=="--\r\n") continue
-        str = null
-        let headers = {}
-        let lines = parts[i].splitN(newLineSplit, 2)
-        let headerLines = lines[0].to("string").split("\r\n")
-        for (j from 0 to headerLines.length) do
-            let header = headerLines[j].splitN(": ", 2)
-            if (header.length != 2) continue
-            headers[header[0].lower()] = header[1]
-        if (lines.length != 2) continue
-        let body = lines[1]
-        if (i != parts.length-1) do
-            body = body.slice(0, body.length-4)
-        if ("content-disposition" in headers) do
-            let disposition = headers["content-disposition"].split("; ")
-            if (disposition[0] == "form-data") do
-                let name = json.parse(disposition[1].splitN("=", 2)[1])
-                if (disposition.length >= 3) do
-                    let filename = json.parse(disposition[2].splitN("=", 2)[1])
-                    req.files[name] = __makeFile(filename, headers["content-type"], body)
-                else do
-                    req.formdata[name] = body.to("string")
-    res.next()
-    
-
-let formdata(req, res) = do
-    req.formdata = {}
-    req.files = {}
-
-    if (req.method != "POST") return res.next()
-    if ("content-type" not in req.headers) return res.next()
-    let loweredContentType = req.headers["content-type"].lower()
-    if (loweredContentType.startswith("multipart/form-data")) return __multipart(req, res)
-    else if (loweredContentType.startswith("application/x-www-form-urlencoded")) req.formdata = url.decodeURLQuery(req.buffer.body.to("string"))
-    else if (loweredContentType.startswith("application/json")) req.formdata = json.parse(req.buffer.body.to("string"))
-    else req.files.file = __makeFile("file", req.headers["content-type"], req.buffer.body)
-    res.next()
+"hello world"