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