#!/usr/bin/env node /* printj.js (C) 2016-present SheetJS -- http://sheetjs.com */ /* eslint-env node */ /* vim: set ts=2 ft=javascript: */ /*jshint node:true, evil:true */ require("../shim"); var X = require("../"), argv = process.argv; function help() { [ "usage: printj [options] [args...]", "", "Options:", " -h, --help output usage information", " -d, --dump print debug information about format string", "", "Arguments are treated as strings unless prefaced by a type indicator:", " n: call parseInt (ex. n:3 -> 3)", " f: call parseFloat (ex. f:3.1 -> 3.1)", ' b: false when lowercase value is "FALSE" or "0", else true', " s: interpret as string (ex. s:n:3 -> \"n:3\")", " j: interpret as an object using JSON.parse", " e: evaluate argument (ex. e:1+1 -> 2, e:\"1\"+1 -> \"11\")", "", "samples:", " $ printj '|%02hhx%d|' n:50 e:0x7B # |32123|", " $ printj '|%2$d + %3$d is %1$d|' e:1+2 n:1 n:2 # |1 + 2 is 3| ", " $ printj '|%s is %s|' s:1+2 e:1+2 # |1+2 is 3|", " $ printj '|%c %c|' s:69 n:69 # |6 E|", "", "Support email: dev@sheetjs.com", "Web Demo: http://oss.sheetjs.com/printj/" ].forEach(function(l) { console.log(l); }); return 0; } function parse_arg(arg/*:string*/)/*:any*/ { var m = arg.substr(2), p/*:number*/ = 0; if(arg.charCodeAt(1) === 58) switch((p = arg.charCodeAt(0))) { case /*n*/ 110: return parseInt(m, 10); case /*f*/ 102: return parseFloat(m); case /*b*/ 98: return !(m.toUpperCase() === "FALSE" || m === "0"); case /*j*/ 106: return JSON.parse(m); case /*e*/ 101: return eval(m); case /*s*/ 115: return m; } void p; return arg; } var args/*:Array*/ = []; var fmt = "", n = 0; for(var i = 2; i < argv.length; ++i) switch(argv[i]) { case "--help": case "-h": process.exit(help()); break; case "--dump": case "-d": if(fmt.length===0) fmt = argv[++i]; process.exit(dump(fmt)); break; default: if(n++ === 0) fmt = argv[i]; else args.push(parse_arg(argv[i])); } console.log(X.vsprintf(fmt, args)); process.exit(0); function dump(fmt/*:string*/)/*:number*/ { if(!fmt) { console.error("printj: missing format argument"); return 1; } X._tokenize(fmt).forEach(function(x){console.log(x);}); return 0; }