| 1 | fs = require "fs"
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| 2 | os = require "os"
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| 3 | colors = require "colors"
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| 4 | {spawn} = require "child_process"
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| 5 |
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| 6 | shuffle = (array) ->
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| 7 | i = array.length
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| 8 | return if i is 0
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| 9 |
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| 10 | while --i
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| 11 | j = Math.floor Math.random() * ( i + 1 )
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| 12 | temp = array[i]
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| 13 | array[i] = array[j]
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| 14 | array[j] = temp
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| 15 |
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| 16 | random = (max)-> Math.floor Math.random() * max
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| 17 |
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| 18 | keygen = (length, options = {}) ->
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| 19 | keys = []
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| 20 | chars = "0123456789abcdefghijklmnopqrstuvwxyz"
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| 21 | rest = length
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| 22 | for i in [0..length]
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| 23 | rand = random chars.length
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| 24 | upper = length * random(length) % 2
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| 25 | char = chars.substring rand, rand+1
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| 26 | unless options.lower
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| 27 | char = if upper then char.toUpperCase() else char
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| 28 | keys.push char
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| 29 | keys.join ""
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| 30 | shuffle(keys).join ""
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| 31 |
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| 32 | ask = (question, {format, hidden, callback, error})->
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| 33 | {stdin, stdout} = process
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| 34 | stdout.write "#{question} "
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| 35 | stdin.resume()
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| 36 | stdin.setEncoding "utf8"
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| 37 | unless hidden
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| 38 | stdin.once "data", (answer)->
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| 39 | answer = answer.toString().trim()
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| 40 | if format?.test? answer
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| 41 | callback answer
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| 42 | else
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| 43 | if error
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| 44 | error answer.toString().trim()
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| 45 | else
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| 46 | stdout.write "Please enter a valid answer.\n"
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| 47 | ask question, {format, callback, error}
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| 48 | else
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| 49 | stdin.setRawMode true
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| 50 | stdout.write "\n"
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| 51 | buffer = []
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| 52 | stdin.on "data", (key)->
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| 53 | process.exit 0 if key is "\u0003" or key is "\u0004"
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| 54 | if key is "\u000D"
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| 55 | answer = buffer.join ""
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| 56 | callback answer
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| 57 | else
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| 58 | key = key.toString().trim()
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| 59 | buffer.push key
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| 60 |
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| 61 | logger = (namespace="kd")->(message, color="yellow")->
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| 62 | message?.toString?().split("\n").forEach (line)->
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| 63 | nocolor = ~process.argv.indexOf "--nocolor"
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| 64 | if nocolor
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| 65 | console.log "#{namespace}:", line
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| 66 | else
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| 67 | console.log colors[color]("#{namespace}:"), line
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| 68 |
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| 69 | compileDebug = (path, source, error)->
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| 70 | data = source.toString()
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| 71 | if error.location
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| 72 | {first_line, last_line, first_column, last_column} = error.location
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| 73 | lines = data.split os.EOL
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| 74 | trace = lines.slice(first_line, last_line+1).join os.EOL
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| 75 | point = ""
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| 76 | for i in [0..last_column]
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| 77 | if i < first_column then point+=" " else point+="^"
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| 78 | point+= " #{error.message}"
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| 79 |
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| 80 | first_line++; last_line++;
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| 81 | spaces = Array((first_line+"").length+1).join " "
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| 82 | curr = first_line
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| 83 | prev = first_line - 1
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| 84 | next = first_line + 1
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| 85 |
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| 86 | previous_line = if first_line > 1 then "#{prev} #{lines[prev-1]}" else ""
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| 87 | next_line = if lines.length > next then "#{next} #{lines[next-1]}" else ""
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| 88 | """
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| 89 |
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| 90 | at #{path} line #{first_line}:#{last_line} column #{first_column}:#{last_column}
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| 91 |
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| 92 | #{previous_line}
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| 93 | #{colors.red curr} #{colors.red trace}
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| 94 | #{spaces} #{colors.green point}
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| 95 | #{next_line}
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| 96 | """
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| 97 |
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| 98 | spawner = ({exec, params, data, error, exit})->
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| 99 | timeStart = Date.now()
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| 100 | child = spawn executable, params
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| 101 | child.stdout.on "data",(data)-> data? data
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| 102 | child.stderr.on "data",(data)-> error? data
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| 103 | child.on "exit",(code)->
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| 104 | exit? code, "child pid:#{child.pid} was alive #{(Date.now()-timeStart)/1000}msecs"
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| 105 | return child
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| 106 |
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| 107 | module.exports = {shuffle, random, keygen, ask, logger, compileDebug, spawner}
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