lib/min_io.nim
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import os, strutils, logging import ../packages/nimline/nimline, ../packages/nim-sgregex/sgregex, ../core/parser, ../core/value, ../core/interpreter, ../core/utils # I/O proc io_module*(i: In) = let def = i.define() def.symbol("newline") do (i: In): echo "" def.symbol("puts") do (i: In): let a = i.peek echo $$a def.symbol("puts!") do (i: In): echo $$i.pop def.symbol("notice") do (i: In): let a = i.peek notice $$a def.symbol("info") do (i: In): let a = i.peek info $$a def.symbol("error") do (i: In): let a = i.peek error $$a def.symbol("warn") do (i: In): let a = i.peek warn $$a def.symbol("debug") do (i: In): let a = i.peek debug $$a def.symbol("fatal") do (i: In): let a = i.peek fatal $$a quit(100) def.symbol("column-print") do (i: In): var n, q: MinValue i.reqIntAndQuotation n, q var c = 0 for s in q.qVal: c.inc stdout.write $$s & spaces(max(0, 15 - ($$s).len)) if c mod n.intVal == 0: echo "" echo "" def.symbol("gets") do (i: In): var ed = initEditor() i.push ed.readLine().newVal def.symbol("password") do (i: In): var ed = initEditor() i.push ed.password("Enter Password: ").newVal def.symbol("ask") do (i: In): var s: MinValue var ed = initEditor() i.reqString s i.push ed.readLine(s.getString & ": ").newVal def.symbol("confirm") do (i: In): var s: MinValue var ed = initEditor() i.reqString s proc confirm(): bool = let answer = ed.readLine(s.getString & " [yes/no]: ") if answer.match("^y(es)?$", "i"): return true elif answer.match("^no?$", "i"): return false else: stdout.write "Invalid answer. Please enter 'yes' or 'no': " return confirm() i.push confirm().newVal def.symbol("choose") do (i: In): var q, s: MinValue var ed = initEditor() i.reqStringLikeAndQuotation s, q if q.qVal.len <= 0: raiseInvalid("No choices to display") stdout.writeLine(s.getString) proc choose(): int = var c = 0 for item in q.qVal: if not item.isQuotation or not item.qVal.len == 2 or not item.qVal[0].isString or not item.qVal[1].isQuotation: raiseInvalid("Each item of the quotation must be a quotation containing a string and a quotation") c.inc echo "$1 - $2" % [$c, item.qVal[0].getString] let answer = ed.readLine("Enter your choice ($1 - $2): " % ["1", $c]) var choice: int try: choice = answer.parseInt except: choice = 0 if choice <= 0 or choice > c: echo "Invalid choice." return choose() else: return choice let choice = choose() i.unquote(q.qVal[choice-1].qVal[1]) def.symbol("print") do (i: In): let a = i.peek a.print def.symbol("print!") do (i: In): i.pop.print def.symbol("fread") do (i: In): var a: MinValue i.reqString a i.push newVal(a.strVal.readFile) def.symbol("fwrite") do (i: In): var a, b: MinValue i.reqTwoStrings a, b a.strVal.writeFile(b.strVal) def.symbol("fappend") do (i: In): var a, b: MinValue i.reqTwoStrings a, b var f:File discard f.open(a.strVal, fmAppend) f.write(b.strVal) f.close() def.finalize("io") |