1
0
mirror of https://github.com/laurent22/joplin.git synced 2024-12-24 10:27:10 +02:00
joplin/packages/fork-sax/examples/pretty-print.js

75 lines
1.5 KiB
JavaScript
Raw Normal View History

2020-11-05 18:58:23 +02:00
var sax = require('../lib/sax'),
printer = sax.createStream(false, {lowercasetags: true, trim: true}),
fs = require('fs')
function entity (str) {
return str.replace('"', '"')
}
printer.tabstop = 2
printer.level = 0
printer.indent = function () {
print('\n')
for (var i = this.level; i > 0; i--) {
for (var j = this.tabstop; j > 0; j--) {
print(' ')
}
}
}
printer.on('opentag', function (tag) {
this.indent()
this.level++
print('<' + tag.name)
for (var i in tag.attributes) {
print(' ' + i + '="' + entity(tag.attributes[i]) + '"')
}
print('>')
})
printer.on('text', ontext)
printer.on('doctype', ontext)
function ontext (text) {
this.indent()
print(text)
}
printer.on('closetag', function (tag) {
this.level--
this.indent()
print('</' + tag + '>')
})
printer.on('cdata', function (data) {
this.indent()
print('<![CDATA[' + data + ']]>')
})
printer.on('comment', function (comment) {
this.indent()
print('<!--' + comment + '-->')
})
printer.on('error', function (error) {
console.error(error)
throw error
})
if (!process.argv[2]) {
throw new Error('Please provide an xml file to prettify\n' +
'TODO: read from stdin or take a file')
}
var xmlfile = require('path').join(process.cwd(), process.argv[2])
var fstr = fs.createReadStream(xmlfile, { encoding: 'utf8' })
function print (c) {
if (!process.stdout.write(c)) {
fstr.pause()
}
}
process.stdout.on('drain', function () {
fstr.resume()
})
fstr.pipe(printer)