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joplin/packages/fork-sax/examples/get-products.js

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2020-11-05 18:58:23 +02:00
// pull out /GeneralSearchResponse/categories/category/items/product tags
// the rest we don't care about.
var sax = require('../lib/sax.js')
var fs = require('fs')
var path = require('path')
var xmlFile = path.resolve(__dirname, 'shopping.xml')
var util = require('util')
var http = require('http')
fs.readFile(xmlFile, function (er, d) {
http.createServer(function (req, res) {
if (er) throw er
var xmlstr = d.toString('utf8')
var parser = sax.parser(true)
var products = []
var product = null
var currentTag = null
parser.onclosetag = function (tagName) {
if (tagName === 'product') {
products.push(product)
currentTag = product = null
return
}
if (currentTag && currentTag.parent) {
var p = currentTag.parent
delete currentTag.parent
currentTag = p
}
}
parser.onopentag = function (tag) {
if (tag.name !== 'product' && !product) return
if (tag.name === 'product') {
product = tag
}
tag.parent = currentTag
tag.children = []
tag.parent && tag.parent.children.push(tag)
currentTag = tag
}
parser.ontext = function (text) {
if (currentTag) currentTag.children.push(text)
}
parser.onend = function () {
var out = util.inspect(products, false, 3, true)
res.writeHead(200, {'content-type': 'application/json'})
res.end('{"ok":true}')
// res.end(JSON.stringify(products))
}
parser.write(xmlstr).end()
}).listen(1337)
})