75 lines
1.5 KiB
JavaScript
75 lines
1.5 KiB
JavaScript
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var sax = require("../lib/sax")
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, printer = sax.createStream(false, {lowercasetags:true, trim:true})
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, fs = require("fs")
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function entity (str) {
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return str.replace('"', '"')
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}
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printer.tabstop = 2
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printer.level = 0
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printer.indent = function () {
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print("\n")
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for (var i = this.level; i > 0; i --) {
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for (var j = this.tabstop; j > 0; j --) {
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print(" ")
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}
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}
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}
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printer.on("opentag", function (tag) {
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this.indent()
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this.level ++
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print("<"+tag.name)
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for (var i in tag.attributes) {
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print(" "+i+"=\""+entity(tag.attributes[i])+"\"")
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}
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print(">")
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})
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printer.on("text", ontext)
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printer.on("doctype", ontext)
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function ontext (text) {
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this.indent()
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print(text)
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}
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printer.on("closetag", function (tag) {
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this.level --
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this.indent()
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print("</"+tag+">")
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})
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printer.on("cdata", function (data) {
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this.indent()
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print("<![CDATA["+data+"]]>")
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})
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printer.on("comment", function (comment) {
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this.indent()
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print("<!--"+comment+"-->")
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})
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printer.on("error", function (error) {
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console.error(error)
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throw error
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})
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if (!process.argv[2]) {
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throw new Error("Please provide an xml file to prettify\n"+
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"TODO: read from stdin or take a file")
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}
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var xmlfile = require("path").join(process.cwd(), process.argv[2])
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var fstr = fs.createReadStream(xmlfile, { encoding: "utf8" })
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function print (c) {
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if (!process.stdout.write(c)) {
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fstr.pause()
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}
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}
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process.stdout.on("drain", function () {
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fstr.resume()
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})
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fstr.pipe(printer)
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