import std/os
import std/strutils
import utils/twtstr
func gopherName(c: char): string =
return case c
of '0': "text file"
of '1': "directory"
of '3': "error"
of '5': "DOS binary"
of '7': "search"
of 'm': "message"
of 's', '<': "sound"
of 'g': "gif"
of 'h': "HTML"
of 'I', ':': "image"
of '9': "binary"
of 'p': "png"
of ';': "video"
else: "unsupported"
proc main() =
if paramCount() != 2 or paramStr(1) != "-u":
stdout.writeLine("Usage: gopher2html [-u URL]")
quit(1)
let url = htmlEscape(paramStr(2))
stdout.write("""
Index of """ & url & """
Index of """ & url & """
""")
var ispre = false
var line = ""
while stdin.readLine(line):
if line.len == 0:
continue
let t = line[0]
if t == '.':
break # end
var i = 1
template get_field(): string =
let s = line.until('\t', i)
i += s.len
if i < line.len and line[i] == '\t':
inc i
s
let name = get_field()
var file = get_field()
let host = get_field()
let port = line.until('\t', i) # ignore anything after port
var outs = ""
if t == 'i':
if not ispre:
outs &= ""
ispre = true
outs &= htmlEscape(name) & '\n'
else:
if ispre:
outs &= ""
ispre = false
let names = '[' & gopherName(t) & ']' & htmlEscape(name)
let ourls = if not file.startsWith("URL:"):
if file.len == 0 or file[0] != '/':
file = '/' & file
let pefile = file.percentEncode(PathPercentEncodeSet)
"gopher://" & host & ":" & port & "/" & t & pefile
else:
file.substr("URL:".len)
outs &= "" & names & "
\n"
stdout.write(outs)
main()