Amir Abbas Mousavian
e30861ad18
- Added more Documentation, specially initializer - Added option to conserve sessions after provider deinit to finish tasks - Dropbox and OneDrive init are not bailable anymore - Updated AEXML
102 lines
3.5 KiB
Swift
102 lines
3.5 KiB
Swift
//
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// Parser.swift
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//
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// Copyright (c) 2014-2016 Marko Tadić <tadija@me.com> http://tadija.net
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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import Foundation
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/// Simple wrapper around `Foundation.XMLParser`.
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internal class AEXMLParser: NSObject, XMLParserDelegate {
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// MARK: - Properties
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let document: AEXMLDocument
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let data: Data
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var currentParent: AEXMLElement?
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var currentElement: AEXMLElement?
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var currentValue = String()
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var parseError: Error?
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// MARK: - Lifecycle
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init(document: AEXMLDocument, data: Data) {
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self.document = document
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self.data = data
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currentParent = document
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super.init()
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}
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// MARK: - API
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func parse() throws {
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let parser = XMLParser(data: data)
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parser.delegate = self
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parser.shouldProcessNamespaces = document.options.parserSettings.shouldProcessNamespaces
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parser.shouldReportNamespacePrefixes = document.options.parserSettings.shouldReportNamespacePrefixes
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parser.shouldResolveExternalEntities = document.options.parserSettings.shouldResolveExternalEntities
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let success = parser.parse()
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if !success {
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guard let error = parseError else { throw AEXMLError.parsingFailed }
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throw error
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}
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}
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// MARK: - XMLParserDelegate
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@objc func parser(_ parser: XMLParser,
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didStartElement elementName: String,
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namespaceURI: String?,
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qualifiedName qName: String?,
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attributes attributeDict: [String : String])
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{
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currentValue = String()
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currentElement = currentParent?.addChild(name: elementName, attributes: attributeDict)
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currentParent = currentElement
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}
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@objc func parser(_ parser: XMLParser, foundCharacters string: String) {
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currentValue += string
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let newValue = currentValue.trimmingCharacters(in: CharacterSet.whitespacesAndNewlines)
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currentElement?.value = newValue == String() ? nil : newValue
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}
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@objc func parser(_ parser: XMLParser,
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didEndElement elementName: String,
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namespaceURI: String?,
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qualifiedName qName: String?)
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{
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currentParent = currentParent?.parent
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currentElement = nil
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}
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@objc func parser(_ parser: XMLParser, parseErrorOccurred parseError: Error) {
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self.parseError = parseError
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}
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}
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