iOSDC令和時代のXML処理を考える

೔޲ڧ5TVZPTIJ)ZVHB ྩ࿨࣌୅ͷ9.-ॲཧΛ ߟ͑Δ ʙ΋͋͠ͳ͕ͨڊେͳ9.-ͱ૬ݟ͑Δ͜ͱʹͳͬͨ Βʙ

ηογϣϯΛݟΒΕ͍ͯΔօ͞Μ ͸͡Ίʹ

w ͳͥࠓ9.-ʁ ηογϣϯΛݟΒΕ͍ͯΔօ͞Μ ͸͡Ίʹ

9.-͸͋ͳͨͷۙ͘ʹ ͍ΔΑ

9*# 9.-*OUFSGBDF#VJMEFS

9*# 9.-*OUFSGBDF#VJMEFS <?xml version="1.0" encoding="UTF-8"?> <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="20037" targetRuntime="iOS.CocoaTouch"
propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="Y6W-OH-hqX"> <device id="retina5_9" orientation="portrait" appearance="light"/> <dependencies> <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="20020"/> <capability name="Safe area layout guides" minToolsVersion="9.0"/> <capability name="System colors in document resources" minToolsVersion="11.0"/> <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/> </dependencies> <scenes>  <scene sceneID="s0d-6b-0kx"> <objects> <viewController id="Y6W-OH-hqX" customClass="TopViewController" customModule="WinkCamera" customModuleProvider="target" sceneMemberID="viewController"> <view key="view" contentMode="scaleToFill" insetsLayoutMarginsFromSafeArea="NO" id="5EZ-qb-Rvc" customClass="PreviewView" customModule="WinkCamera" customModuleProvider="target"> <rect key="frame" x="0.0" y="0.0" width="375" height="812"/> <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/> <viewLayoutGuide key="safeArea" id="Yhj-UR-jNr"/> <color key="backgroundColor" systemColor="systemBackgroundColor"/> </view> <connections> <outlet property="previewView" destination="5EZ-qb-Rvc" id="eQc-tb-WN6"/> <outlet property="winkControl" destination="eOh-BF-nHF" id="ueK-OC-EJQ"/> </connections> </viewController> <placeholder placeholderIdentifier="IBFirstResponder" id="Ief-a0-LHa" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/> <customObject id="eOh-BF-nHF" customClass="WinkControl" customModule="WinkCamera" customModuleProvider="target"> <connections> <action selector="takePhoto:" destination="CVf-dU-zam" eventType="valueChanged" id="jmL-r1-JhV"/> </connections> </customObject> <exit id="CVf-dU-zam" userLabel="Exit" sceneMemberID="exit"/> </objects> <point key="canvasLocation" x="35" y="104"/> </scene> </scenes> <resources> <systemColor name="systemBackgroundColor"> <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/> </systemColor> </resources> </document> •

)FBMUI,JU ݈߁σʔλ

)FBMUI,JU ݈߁σʔλ w ϔϧεέΞ w ϒϥ΢ζ w ͢΂ͯͷϔϧεέΞσ ʔλΛॻ͖ग़͢ w
9.-Ͱॻ͖ग़͞Ε Δ

&16# ిࢠॻ੶ϑΝΠϧϑΥʔϚοτ w ϚϯΨͳͲɺిࢠॻ੶ʹ࢖ ΘΕΔϑΥʔϚοτ

ອը͸͋ͳͨͷۙ͘ʹ͍ ΔΑ

J04ʹΑΔ9.-ͷॲཧ

ͷલʹ

J04ʹΑΔ+40/ͷॲཧ

J04ʹΑΔ9.-ͷॲཧ J04ʹΑΔ+40/ͷॲཧͷ৔߹ $PEBCMF +40/σʔλͷ৔߹ɺ$PEBCMFΛ࢖͏͜ͱͰ+40/ΛΦϒδΣΫτԽ

J04ʹΑΔ9.-ͷॲཧ J04ʹΑΔ+40/ͷॲཧͷ৔߹ 9.-ͷ৔߹͸ʁ

w 9.-σʔλΛಡΈࠐΈɺΞΫηεՄೳʹͨ͠Ϟσϧ w 9.-Λ%0.ԽͰ͖Δ"1*͕͋Ε͹ɺJ04Ͱ΋ΦϒδΣΫτͱ͠ ͯѻ͑ͦ͏ %PDVNFOU0CKFDU.PEFM %0.

9.-"1*

w 9.-%PDVNFOU w 9.-1BSTFS w MJCYNM ఏڙ͞Ε͍ͯΔ"1* 9.-"1*

w 9.-%PDVNFOUˡ%0.ʹରԠ w 9.-1BSTFS w MJCYNM ఏڙ͞Ε͍ͯΔ"1* 9.-"1*

·ͱΊ

w 9.-Λ%0.ͱͯ͠ѻ͏ͱ͖͸9.-%PDVNFOUΛ࢖͓͏ʂ ྩ࿨࣌୅ͷ9.-ॲཧΛߟ͑Δ ·ͱΊ

࣮ࡍʹ࢖ͬͯΈΔ

࣮ࡍʹ࢖ͬͯΈΔ 9.-%PDVNFOU w 9.-%PDVNFOUΛ࢖ͬͯ ͷ9.-಺༰දࣔ let data = NSDataAsset(name: "Rss")!.data
let doc = try! XMLDocument(data: data) text = doc.rootElement()? .elements(forName: "channel").first? .elements(forName: "title").first? .stringValue ?? "" print(text) // RSSͷλΠτϧදࣔ

࣮ࡍʹ࢖ͬͯΈΔ 9.-%PDVNFOU w 9.-%PDVNFOUΛ࢖ͬͯ ͷ9.-಺༰දࣔ w 9.-%PDVNFOU͕J04 Ͱ͸ϏϧυΤϥʔ let data
= NSDataAsset(name: "Rss")!.data // Cannot find 'XMLDocument' in scope let doc = try! XMLDocument(data: data) text = doc.rootElement()? .elements(forName: "channel").first? .elements(forName: "title").first? .stringValue ?? "" print(text) // RSSͷλΠτϧදࣔ

IUUQTEFWFMPQFSBQQMFDPN EPDVNFOUBUJPOGPVOEBUJPO YNMEPDVNFOU

࣮ࡍʹ࢖ͬͯΈΔ 9.-%PDVNFOU w 9.-%PDVNFOUΛ࢖ͬͯ ͷ9.-಺༰දࣔ w 9.-%PDVNFOU͕J04 Ͱ͸ϏϧυΤϥʔ w 9.-%PDVNFOU͸
NBD04ͷΈͷରԠ let data = NSDataAsset(name: "Rss")!.data #if os(macOS) let doc = try! XMLDocument(data: data) text = doc.rootElement()? .elements(forName: "channel").first? .elements(forName: "title").first? .stringValue ?? "" #endif print(text) // RSSͷλΠτϧදࣔ

w 9.-Λѻ͏ͱ͖͸9.-%PDVNFOUΛ࢖͓͏ʂ w J04Ͱ͸࢖͑ͳ͍ʂ ྩ࿨࣌୅ͷ9.-ॲཧΛߟ͑Δ ·ͱΊ

ผͳํ๏Ͱ%0.Λ࡞Δ

w 9.-%PDVNFOU w 9.-1BSTFS w MJCYNM ఏڙ͞Ε͍ͯΔ"1* 9.-"1*

w 9.-%PDVNFOU w 9.-1BSTFS w MJCYNMˡ͜ΕΛ࢖ͬͯ%0.Λ࡞Εͦ͏ w MJCYNM͸$ͷϥΠϒϥϦ ఏڙ͞Ε͍ͯΔ"1* 9.-"1*

0CKFDUJWF$

MJCYNM 0CKFDUJWF$ NSURL* url; auto fileUrl = [[url absoluteString] UTF8String];
auto document = xmlReadFile(fileUrl, NULL, XML_PARSE_HUGE); auto cur = xmlDocGetRootElement(document); if (xmlStrcmp(cur->name, (xmlChar *)"HealthData") != 0) { return @""; } cur = cur->children; while (cur != NULL) { if ((!xmlStrcmp(cur->name, (const xmlChar*)”ExportDate"))) { auto value = xmlGetProp(cur, (xmlChar *)"value"); auto valueString = [NSString stringWithCString:(char*)value encoding:NSUTF8StringEncoding]; return valueString; // xmlͷग़ྗ೔෇औಘ } cur = cur->next; } return @"";

ϔϧεέΞσʔλΛ ಡΈࠐΜͰΈΑ͏

MJCYNMʹΑΔಡΈࠐΈ ϔϧεέΞσʔλͷಡΈࠐΈ w ϔϧεέΞσʔλͷYNMϑ ΝΠϧΛಡΈࠐΈ

MJCYNMʹΑΔಡΈࠐΈ ϔϧεέΞσʔλͷಡΈࠐΈ w ϔϧεέΞσʔλͷYNMϑ ΝΠϧΛಡΈࠐΈ w (͋Γ·͢

MJCYNMʹΑΔಡΈࠐΈ ϔϧεέΞσʔλͷಡΈࠐΈ w ϔϧεέΞσʔλͷYNMϑ ΝΠϧΛಡΈࠐΈ w (͋Γ·͢ let url =
Bundle.main.url(forResource: "export", withExtension: "xml")! let start = Date() // ಺෦ͰlibxmlΛ࢖ͬͯಡΈࠐΈ let obj = MyObject(url: url) text = obj.readText() let end = Date() print(start.distance(to: end)) print(text)

MJCYNMʹΑΔಡΈࠐΈ ϔϧεέΞσʔλͷಡΈࠐΈ w ϔϧεέΞσʔλͷYNMϑ ΝΠϧΛಡΈࠐΈ w (͋Γ·͢ w ಡΈࠐΈ͢Δͷʹ ඵ͔͔Δ
let url = Bundle.main.url(forResource: "export", withExtension: "xml")! let start = Date() // ಺෦ͰlibxmlΛ࢖ͬͯಡΈࠐΈ let obj = MyObject(url: url) text = obj.readText() let end = Date() print(start.distance(to: end)) //←35ඵ print(text)

w 4"9 &WFOU%SJWFO9.- w %0. 5SFF#BTFE9.- 9.-ॲཧͷछྨ Ұൠతͳ9.-ͷղੳ

w 4"9 &WFOU%SJWFO9.- w 9.-Λઌ಄͔ΒಡΈࠐΈɺಛ௃఺͕ݟ͔ͭΔͨͼʹΠϕϯτͱͯ͠ฦ͢ w 9.-1BSTFS w %0.
5SFF#BTFE9.- w 9.-ΛશͯಡΈࠐΜͰΦϒδΣΫτԽ͠ɺΦϒδΣΫτ͔Βඞཁͳσʔ λʹΞΫηε͢Δ w େྔͷϦιʔε͕ඞཁʹͳΔ w 9.-%PDVNFOU .BDͷΈ 9.-ॲཧͷछྨ Ұൠతͳ9.-ͷղੳ

J04Ͱͷશͯͷσʔλͷ ಡΈࠐΈ͸ݱ࣮తͰ͸ͳ͍

w 9.-%PDVNFOU w 9.-1BSTFSˡJ04͸͜Ε w MJCYNM ఏڙ͞Ε͍ͯΔ"1* 9.-"1*

9.-1BSTFSΛ࢖༻͢Δ

9.-1BSTFSʹΑΔಡΈࠐΈ ϔϧεέΞσʔλͷಡΈࠐΈ w ϔϧεέΞσʔλͷYNMϑ ΝΠϧΛಡΈࠐΈ w (ͷYNMϑΝΠϧ let url =
Bundle.main.url(forResource: "export", withExtension: "xml")! let start = Date() let parser = XMLParser(contentsOf: url)! // ඞཁͳ஋Λऔಘ͢ΔͨΊͷॲཧΛdelegateʹ࣮૷ parser.delegate = self parser.parse() let end = Date() print(text) print(start.distance(to: end))

9.-1BSTFSʹΑΔಡΈࠐΈ ϔϧεέΞσʔλͷಡΈࠐΈ w ϔϧεέΞσʔλͷYNMϑ ΝΠϧΛಡΈࠐΈ w (ͷYNMϑΝΠϧ w ඵͰඞཁͳςΩε τ͕औಘͰ͖Δ
w ΠϕϯτΛ؂ࢹ͠ɺඞ ཁͳσʔλΛऔಘ͠ऴ ͑ͨΒૣظऴྃ͢Δ let url = Bundle.main.url(forResource: "export", withExtension: "xml")! let start = Date() let parser = XMLParser(contentsOf: url)! // ඞཁͳ஋Λऔಘ͢ΔͨΊͷॲཧΛdelegateʹ࣮૷ parser.delegate = self parser.parse() let end = Date() print(text) print(start.distance(to: end)) // ← 0.2ඵ

9.-1BSTFSʹΑΔಡΈࠐΈ ϔϧεέΞσʔλͷಡΈࠐΈ w ϔϧεέΞσʔλͷYNMϑ ΝΠϧΛಡΈࠐΈ w (ͷYNMϑΝΠϧ w ඵͰඞཁͳςΩε τ͕औಘͰ͖Δ
w ΠϕϯτΛ؂ࢹ͠ɺඞ ཁͳσʔλΛऔಘ͠ऴ ͑ͨΒૣظऴྃ͢Δ // MARK: - XMLParserDelegate func parser(_ parser: XMLParser, didStartElement elementName: String, namespaceURI: String?, qualifiedName qName: String?, attributes attributeDict: [String : String] = [:]) { // σʔλऔಘʹඞཁͳॲཧΛߦ͏ } func parser(_ parser: XMLParser, didEndElement elementName: String, namespaceURI: String?, qualifiedName qName: String?) { // ඞཁͳσʔλ͕औಘͰ͖ͨΒɺXMLParserΛૣظऴྃ parser.abortParsing() }

9.-1BSTFSͷ࢖͍ํ

9.-1BSTFS खॱ w 9.-1BSTFSͷॳظԽ w %BUB w *OQVU4USFBN w 63-
w 9.-1BSTFS%FMFHBUFΛઃఆͯ͠ ΠϕϯτΛड͚औΕΔΑ͏ʹ͢Δ w 9.-1BSTFSQBSTF Λ࣮ߦͯ͠ ֤छΠϕϯτΛEFMFHBUFͰॲཧ

9.-1BSTFS खॱ w 9.-1BSTFSͷॳظԽ w %BUB w *OQVU4USFBN w 63-
w 9.-1BSTFS%FMFHBUFΛઃఆͯ͠ ΠϕϯτΛड͚औΕΔΑ͏ʹ͢Δ w 9.-1BSTFSQBSTF Λ࣮ߦͯ͠ ֤छΠϕϯτΛEFMFHBUFͰॲཧ let parser = XMLParser(contentsOf: url)! // ॳظԽ parser.delegate = self //delegateઃఆ parser.parse() // ॲཧ։࢝

Α͘࢖͏GVOD 9.-1BSTFS%FMFHBUF

w 9.-1BSTFS%FMFHBUFQBSTFS @EJE4UBSU&MFNFOUOBNFTQBDF63*RV BMJ fi FE/BNFBUUSJCVUFT w ཁૉ໊ͷ։͕࢝ݟ͔ͭͬͨ৔߹ʹݺͼग़͞ΕΔ w
9.-1BSTFS%FMFHBUFQBSTFS @GPVOE$IBSBDUFST w ಺༰͕ݟ͔ͭͬͨ৔߹ʹݺͼग़͞ΕΔ w ҰճͰ͸಺༰͕શͯಡΈऔΕͣɺෳ਺ճݺ͹ΕΔ৔߹΋͋Δ w 9.-1BSTFS%FMFHBUFQBSTFS @EJE&OE&MFNFOUOBNFTQBDF63*RVBM J fi FE/BNF w ཁૉ໊ͷऴ͕ྃݟ͔ͭͬͨ৔߹ʹݺͼग़͞ΕΔ Α͘࢖͏GVOD 9.-1BSTFS%FMFHBUF

<ಛٕ>ԕ͘ͰςϨϏͷిݯ͕ೖͬͨ͜ͱ͕Θ͔Δ</ಛٕ>

EJE4UBSU&MFNFOU GPVOE$IBSBDUFST EJE&OE&MFNFOU <ಛٕ>ԕ͘ͰςϨϏͷిݯ͕ೖͬͨ͜ͱ͕Θ͔Δ</ಛٕ>

಺༰ͷऔಘ func parser(_ parser: XMLParser, foundCharacters string: String) { print(string)
// ԕ͘ͰςϨϏͷిݯ͕ೖͬͨ͜ͱ͕Θ͔Δ } 9.-1BSTFS%FMFHBUF

ෳ਺ߦͷ9.-

<ϓϩϑΟʔϧ> <໊લ>೔޲ڧ</໊લ> <ॴଐ>גࣜձࣾAmazia</ॴଐ> <աڈͷiOSDC> <λΠτϧ year="2019">BLEͰiOS/AndroidؒͰͦͦ͜͜େ͖ͳαΠζͷσʔλ௨৴Λ࣮ݱ͢Δ (L2CAP΋͋ΔΑ)</λΠτϧ> <λΠτϧ year="2020">ৄղStoryboard</λΠτϧ> <λΠτϧ
year="2020">͋ͳͨͷ஌Βͳ͍࿈བྷઌͷੈք</λΠτϧ> <λΠτϧ year="2021">όοΫάϥ΢ϯυͰΞϓϦ͕Ωϧ͞Εͯ΋ා͘ͳ͍ʂΞϓϦͷঢ়ଶΛݩʹ໭͢ϦετΞػೳͷશͯ</λΠτϧ> </աڈͷiOSDC> <޷͖ͳ3DO>REAL</޷͖ͳ3DO> <ಛٕ>ԕ͘ͰςϨϏͷిݯ͕ೖͬͨ͜ͱ͕Θ͔Δ</ಛٕ> </ϓϩϑΟʔϧ>

಺༰ͷऔಘ func parser(_ parser: XMLParser, foundCharacters string: String) { print(string)
// ೔޲ڧ // גࣜձࣾAmazia // BLEͰiOS/AndroidؒͰͦͦ͜͜େ͖ͳαΠζͷσʔλ௨৴Λ࣮ݱ͢Δ (L2CAP΋͋ΔΑ) // ৄղStoryboard // ͋ͳͨͷ஌Βͳ͍࿈བྷઌͷੈք // όοΫάϥ΢ϯυͰΞϓϦ͕Ωϧ͞Εͯ΋ා͘ͳ͍ʂΞϓϦͷঢ়ଶΛݩʹ໭͢ϦετΞػೳͷશͯ // REAL // ԕ͘ͰςϨϏͷిݯ͕ೖͬͨ͜ͱ͕Θ͔Δ } 9.-1BSTFS%FMFHBUF

var isName = false func parser(_ parser: XMLParser, didStartElement elementName:
String, namespaceURI: String?, qualifiedName qName: String?, attributes attributeDict: [String : String] = [:]) { // ݱࡏղੳதͷλάΛ൑ఆ if elementName == "໊લ" { isName = true } } func parser(_ parser: XMLParser, foundCharacters string: String) { if isName { text.append(string) } } func parser(_ parser: XMLParser, didEndElement elementName: String, namespaceURI: String?, qualifiedName qName: String?) { // ղੳதϑϥάΛOFF if elementName == "໊લ" { isName = false } } 9.-1BSTFS%FMFHBUF ໊લΛऔಘ

344 ෳࡶͳ9.- STTWFSTJPO DIBOOFM UJUMFχϡʔεɾτϐοΫεUJUMF JUFN UJUMF5TVZPTIJIZVHBɺϝΨωΛ৽ௐUJUMF JUFN
DIBOOFM STT

344 ෳࡶͳ9.- STTWFSTJPO DIBOOFM UJUMFχϡʔεɾτϐοΫεUJUMF JUFN UJUMF5TVZPTIJIZVHBɺϝΨωΛ৽ௐUJUMF JUFN
DIBOOFM STT ಉ͡։࢝λά͕͋Γɺ۠ผͰ͖ͳ͍

6TJOH.VMUJQMF %FMFHBUFT

6TJOH.VMUJQMF%FMFHBUFT ҰͭͷEFMFHBUFॲཧ༻ΫϥεͰॲཧΛϋϯυϦϯά ैདྷͷ%FMFHBUF

6TJOH.VMUJQMF%FMFHBUFT λά͝ͱʹEFMFHBUFΦϒδΣΫτΛ࡞ΓɺҠৡ͢Δ λά͝ͱͷ%FMFHBUF

9.-1BSTFSͰ%0. 6TJOH.VMUJQMF%FMFHBUFT UJUMFλάΛͦΕͧΕͷΦϒδΣΫτͰղܾ͢Δ

&MFNFOU1BSTFS IUUQTHJUIVCDPNDPF&MFNFOU1BSTFS

public func parser(_ parser: XMLParser, didStartElement elementName: String, namespaceURI: String?,
qualifiedName qName: String?, attributes attributeDict: [String : String] = [:]) { let child = ElementParser(parser: parser, elementName: elementName, attributeDict: attributeDict, parent: self, parentElement: element) childParser = child parser.delegate = child } 9.-1BSTFSͰ%0. 6TJOH.VMUJQMF%FMFHBUFT ։࢝λά͕ݟ͔ͭΔͨͼʹ৽ͨʹΦϒδΣΫτΛ࡞੒͠ɺEFMFHBUFͷର৅Λ੾Γସ͑Δ

public func parser(_ parser: XMLParser, didEndElement elementName: String, namespaceURI: String?,
qualifiedName qName: String?) { parentParser?.addChild(element) parser.delegate = parentParser } private func addChild(_ child: Element) { element.addElement(child) } 9.-1BSTFSͰ%0. 6TJOH.VMUJQMF%FMFHBUFT λά͕ऴྃͨ͠Β਌ΤϨϝϯτʹ௥Ճ

let parser = ElementParser() let xmlParser = XMLParser(data: rss2XmlData) let
rss2document: Element = parser.getDocument(from: xmlParser) 9.-1BSTFSͰ%0. 6TJOH.VMUJQMF%FMFHBUFT 344ͷ%0.Λऔಘ

σʔλऔಘ

rss2document: Element = parser.getDocument(from: xmlParser) STTWFSTJPO DIBOOFM UJUMFχϡʔεɾτϐοΫεUJUMF JUFN UJUMF5TVZPTIJIZVHBɺϝΨωΛ৽ௐUJUMF JUFN DIBOOFM STT 9.-1BSTFSͰ%0. 6TJOH.VMUJQMF%FMFHBUFT STTEPDVNFOU͔ΒUJUMFΛऔಘ͢Δʹ͸ʁ

!EZOBNJD.FNCFS-PPLVQ

public class Element { 6TJOH.VMUJQMF%FMFHBUFT !EZOBNJD.FNCFS-PPLVQ

@dynamicMemberLookup public class Element { private var _elements: [String: [Element]]
public subscript(dynamicMember member: String) -> Element? { return _elements[member]?[0] } 6TJOH.VMUJQMF%FMFHBUFT !EZOBNJD.FNCFS-PPLVQ

w !EZOBNJD.FNCFS-PPLVQΛར༻ͨ͠ΞΫηε w !EZOBNJD.FNCFS-PPLVQ͕෇༩͞Ε͍ͯΔ΋ͷ͸ɺఆٛ͠ ͳ͍ϓϩύςΟʹΞΫηεͨ͠ͱͯ͠΋ɺίϯύΠϧΤϥʔʹ ͳΒͳ͍ w TVCTDSJQU EZOBNJD.FNCFSNFNCFS4USJOH Λ࣮ߦͨ͠
͜ͱʹͳΔ !EZOBNJD.FNCFS-PPLVQ 6TJOH.VMUJQMF%FMFHBUFT

rss2document: Element = parser.getDocument(from: xmlParser) 6TJOH.VMUJQMF%FMFHBUFT !EZOBNJD.FNCFS-PPLVQ

rss2document: Element = parser.getDocument(from: xmlParser) // χϡʔεɾτϐοΫε let channelTitle = rss2document.rss?.channel?.title?.getStringValue() // Tsuyoshi hyugaɺϝΨωΛ৽ௐ let itemTitle = rss2document.rss?.channel?.item?[0]?.title?.getStringValue() 6TJOH.VMUJQMF%FMFHBUFT !EZOBNJD.FNCFS-PPLVQ STTWFSTJPO DIBOOFM UJUMFχϡʔεɾτϐοΫεUJUMF JUFN UJUMF5TVZPTIJIZVHBɺϝΨωΛ৽ௐUJUMF JUFN DIBOOFM STT

let atomData = atomXml.data(using: .utf8)! let parser = ElementParser() let
xmlParser = XMLParser(data: atomData) let document: Element = parser.getDocument(from: xmlParser) let channelTitle = document.feed?.title?.getStringValue() let itemTitle = document.feed?.entry?[2]?.title?.getStringValue() document.feed?.entry?.getArrayValue()?.forEach({ _ in // ԿΒ͔ͷॲཧ }) 6TJOH.VMUJQMF%FMFHBUFT !EZOBNJD.FNCFS-PPLVQ "UPNGFFE

let data = profileXml.data(using: .utf8)! let parser = ElementParser() let
xmlParser = XMLParser(data: data) let document: Element = parser.getDocument(from: xmlParser) document.ϓϩϑΟʔϧ?.໊લ?.getStringValue() // ೔޲ڧ document.ϓϩϑΟʔϧ?.޷͖ͳ3DO?.getStringValue() // REAL document.ϓϩϑΟʔϧ?.ओͳ࣮੷?.getStringValue() // nil 6TJOH.VMUJQMF%FMFHBUFT !EZOBNJD.FNCFS-PPLVQ ϓϩϑΟʔϧ

9.-1BSTFSͷͦͷଞͷػೳ

໊લۭؒ

໊લۭؒ 344 SEG3%'YNMOTIUUQQVSMPSHSTTYNMOTSEGIUUQXXXXPSHSEGTZOUBYOTYNMOTEDIUUQQVSMPSH EDFMFNFOUTYNMOTNOIUUQVTFGVMJODDPNSTTNBOJGFTUYNMMBOHKB DIBOOFM UJUMF೔هUJUMF ʜ DIBOOFM ʜ JUFNSEGBCPVUIUUQTFYBNQMFBSUJDMF
UJUMFλΠτϧUJUMF MJOLIUUQTHJIZPKQFYBNQMFBSUJDMFMJOL EFTDSJQUJPOίϯςϯπͷઆ໌Ͱ͢EFTDSJQUJPO EDEBUF5 EDEBUF EDTVCKFDUϗοτϥΠϯEDTVCKFDU EDDSFBUPSUTVZPTIJIZVHBEDDSFBUPS JUFN SEG3%'

໊લۭؒ 344 SEG3%'YNMOTIUUQQVSMPSHSTTYNMOTSEGIUUQXXXXPSHSEGTZOUBYOTYNMOTEDIUUQ QVSMPSHEDFMFNFOUTYNMOTNOIUUQVTFGVMJODDPNSTTNBOJGFTUYNMMBOHKB DIBOOFM UJUMF೔هUJUMF ʜ DIBOOFM ʜ JUFNSEGBCPVUIUUQTFYBNQMFBSUJDMF
UJUMFλΠτϧUJUMF MJOLIUUQTHJIZPKQFYBNQMFBSUJDMFMJOL EFTDSJQUJPOίϯςϯπͷઆ໌Ͱ͢EFTDSJQUJPO EDEBUF5 EDEBUF EDTVCKFDUϗοτϥΠϯEDTVCKFDU EDDSFBUPSUTVZPTIJIZVHBEDDSFBUPS JUFN SEG3%' EDͷ໊લۭؒఆٛ

໊લۭؒ 344 SEG3%'YNMOTIUUQQVSMPSHSTTYNMOTSEGIUUQXXXXPSHSEGTZOUBYOTYNMOTEDIUUQ QVSMPSHEDFMFNFOUTYNMOTNOIUUQVTFGVMJODDPNSTTNBOJGFTUYNMMBOHKB DIBOOFM UJUMF೔هUJUMF ʜ DIBOOFM ʜ JUFNSEGBCPVUIUUQTFYBNQMFBSUJDMF
UJUMFλΠτϧUJUMF MJOLIUUQTHJIZPKQFYBNQMFBSUJDMFMJOL EFTDSJQUJPOίϯςϯπͷઆ໌Ͱ͢EFTDSJQUJPO EDEBUF5 EDEBUF EDTVCKFDUϗοτϥΠϯEDTVCKFDU EDDSFBUPSUTVZPTIJIZVHBEDDSFBUPS JUFN SEG3%' ໊લۭؒ63-EDʹଐ͢Δ

໊લۭؒ 9.-1BSTFS

w TIPVME1SPDFTT/BNFTQBDFT w TIPVME3FQPSU/BNFTQBDF1SF fi YFT 9.-1BSTFS ໊લۭؒ

shouldProcessNamespaces IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOGPVOEBUJPOOTYNMQBSTFSTIPVMEQSPDFTTOBNFTQBDFT

w σϑΥϧτ͸GBMTF w USVFʹ͢Δͱɺ9.-1BSTFS%FMFHBUFͷҎԼͷGVODͷಈ࡞͕มΘ Δ w QBSTFS @EJE4UBSU&MFNFOUOBNFTQBDF63*RVBMJ fi FE/B
NFBUUSJCVUFT w QBSTFS @EJE&OE&MFNFOUOBNFTQBDF63*RVBMJ fi FE/B NF TIPVME1SPDFTT/BNFTQBDFT ໊લۭؒ

TIPVME1SPDFTT/BNFTQBDFT ໊લۭؒॲཧ '"-4& %FGBVMU 536& FMFNFOU/BNF EDEBUF EBUF OBNFTQBDF63* OJM
IUUQQVSMPSHEDFMFNFOUT R/BNF OJM EDEBUF SEG3%'YNMOTIUUQQVSMPSHSTTYNMOTSEGIUUQXXXXPSHSEGTZOUBYOTYNMOTEDIUUQ QVSMPSHEDFMFNFOUTYNMOTNOIUUQVTFGVMJODDPNSTTNBOJGFTUYNMMBOHKB DIBOOFM UJUMF೔هUJUMF ʜ DIBOOFM ʜ JUFNSEGBCPVUIUUQTFYBNQMFBSUJDMF UJUMFλΠτϧUJUMF MJOLIUUQTHJIZPKQFYBNQMFBSUJDMFMJOL EFTDSJQUJPOίϯςϯπͷઆ໌Ͱ͢EFTDSJQUJPO EDEBUF5 EDEBUF EDTVCKFDUϗοτϥΠϯEDTVCKFDU EDDSFBUPSUTVZPTIJIZVHBEDDSFBUPS JUFN SEG3%'

shouldReportNamespacePrefixes IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOGPVOEBUJPOYNMQBSTFSTIPVMESFQPSUOBNFTQBDFQSF fi YFT

w σϑΥϧτ͸GBMTF w USVFʹ͢Δͱɺ9.-1BSTFS%FMFHBUFͰ৽ͨͳϝιου͕ίʔϧ ͞ΕΔΑ͏ʹͳΔ w QBSTFS @EJE4UBSU.BQQJOH1SF fi YUP63*
w QBSTFS @EJE&OE.BQQJOH1SF fi Y w ໊લۭؒఆٛΛಡΈࠐΜͩͱ͖ʹݺ͹ΕΔ TIPVME3FQPSU/BNFTQBDF1SF fi YFT ໊લۭؒ

υΩϡϝϯτʹ࢖͍ํ͕ॻ͍ͯ͋Δ

l%PDVNFOU5ZQF%FGJOJUJPOʢจॻܕఆٛɺ%5%ʣͱ͸ɺϚ ʔΫΞοϓݴޠͷ4(.-͓Αͼ9.-ʹ͓͍ͯɺจॻߏ଄ ʢจॻܕʣΛఆٛ͢ΔͨΊͷεΩʔϚݴޠͷҰͭͰ͋Δɻz ʮ%PDVNFOU5ZQF%F fi OJUJPOʯʢ೥݄೔ Ր ɹ65$ͷ൛ʣʰ΢ΟΩϖσΟΞ೔ຊޠ൛ʱɻ IUUQTKBXJLJQFEJBPSHXJLJ%PDVNFOU@5ZQF@%F fi
OJUJPO

ϔϧεέΞͷ9.-%5%ൈਮ %5% %0$5:1&)FBMUI%BUB< )FBMUI,JU&YQPSU7FSTJPO &-&.&/5)FBMUI%BUB &YQPSU%BUF .F 3FDPSEc$PSSFMBUJPOc8PSLPVUc"DUJWJUZ4VNNBSZc$MJOJDBM3FDPSE "55-*45)FBMUI%BUB
MPDBMF$%"5"3&26*3&% &-&.&/5&YQPSU%BUF&.15: "55-*45&YQPSU%BUF WBMVF$%"5"3&26*3&% &-&.&/5.F&.15: "55-*45.F ),$IBSBDUFSJTUJD5ZQF*EFOUJ fi FS%BUF0G#JSUI$%"5"3&26*3&% ),$IBSBDUFSJTUJD5ZQF*EFOUJ fi FS#JPMPHJDBM4FY$%"5"3&26*3&% ),$IBSBDUFSJTUJD5ZQF*EFOUJ fi FS#MPPE5ZQF$%"5"3&26*3&% ),$IBSBDUFSJTUJD5ZQF*EFOUJ fi FS'JU[QBUSJDL4LJO5ZQF$%"5"3&26*3&% >

w &-&.&/5 w "55-*45 %PDVNFOU5ZQF%F fi OJUJPO %5%

w &-&.&/5 w "55-*45 w &/5*5: w /05"5*0/ %PDVNFOU5ZQF%F fi
OJUJPO %5%

9.-1BSTFS%FMFHBUF΋ ରԠ͍ͯ͠Δ

IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOGPVOEBUJPOYNMQBSTFSEFMFHBUF

&-&.&/5 "55-*45

&-&.&/5"55-*45 %5% &-&.&/53FDPSE .FUBEBUB&OUSZc)FBSU3BUF7BSJBCJMJUZ.FUBEBUB-JTU "55-*453FDPSE UZQF$%"5"3&26*3&% VOJU$%"5"*.1-*&% WBMVF$%"5"*.1-*&% TPVSDF/BNF$%"5"3&26*3&%
TPVSDF7FSTJPO$%"5"*.1-*&% EFWJDF$%"5"*.1-*&% DSFBUJPO%BUF$%"5"*.1-*&% TUBSU%BUF$%"5"3&26*3&% FOE%BUF$%"5"3&26*3&%

&-&.&/5"55-*45 %5% &-&.&/53FDPSE .FUBEBUB&OUSZc)FBSU3BUF7BSJBCJMJUZ.FUBEBUB-JTU "55-*453FDPSE UZQF$%"5"3&26*3&% VOJU$%"5"*.1-*&% WBMVF$%"5"*.1-*&% TPVSDF/BNF$%"5"3&26*3&%
TPVSDF7FSTJPO$%"5"*.1-*&% EFWJDF$%"5"*.1-*&% DSFBUJPO%BUF$%"5"*.1-*&% TUBSU%BUF$%"5"3&26*3&% FOE%BUF$%"5"3&26*3&% 3FDPSEUZQF),2VBOUJUZ5ZQF*EFOUJ fi FS#MPPE(MVDPTFTPVSDF/BNFϔϧεέΞTPVSDF7FSTJPOVOJUNHE- DSFBUJPO%BUF TUBSU%BUF FOE%BUF WBMVF .FUBEBUB&OUSZLFZ),8BT6TFS&OUFSFEWBMVF 3FDPSE

&-&.&/5 %5% &-&.&/53FDPSE .FUBEBUB&OUSZc)FBSU3BUF7BSJBCJMJUZ.FUBEBUB-JTU "55-*453FDPSE UZQF$%"5"3&26*3&% VOJU$%"5"*.1-*&% WBMVF$%"5"*.1-*&% TPVSDF/BNF$%"5"3&26*3&%
TPVSDF7FSTJPO$%"5"*.1-*&% EFWJDF$%"5"*.1-*&% DSFBUJPO%BUF$%"5"*.1-*&% TUBSU%BUF$%"5"3&26*3&% FOE%BUF$%"5"3&26*3&% 3FDPSEUZQF),2VBOUJUZ5ZQF*EFOUJ fi FS#MPPE(MVDPTFTPVSDF/BNFϔϧεέΞTPVSDF7FSTJPOVOJUNHE- DSFBUJPO%BUF TUBSU%BUF FOE%BUF WBMVF .FUBEBUB&OUSZLFZ),8BT6TFS&OUFSFEWBMVF 3FDPSE

"55-*45 %5% &-&.&/53FDPSE .FUBEBUB&OUSZc)FBSU3BUF7BSJBCJMJUZ.FUBEBUB-JTU "55-*453FDPSE UZQF$%"5"3&26*3&% VOJU$%"5"*.1-*&% WBMVF$%"5"*.1-*&% TPVSDF/BNF$%"5"3&26*3&%
TPVSDF7FSTJPO$%"5"*.1-*&% EFWJDF$%"5"*.1-*&% DSFBUJPO%BUF$%"5"*.1-*&% TUBSU%BUF$%"5"3&26*3&% FOE%BUF$%"5"3&26*3&% 3FDPSEUZQF),2VBOUJUZ5ZQF*EFOUJ fi FS#MPPE(MVDPTFTPVSDF/BNFϔϧεέΞTPVSDF7FSTJPOVOJUNH E-DSFBUJPO%BUF TUBSU%BUF FOE%BUF WBMVF .FUBEBUB&OUSZLFZ),8BT6TFS&OUFSFEWBMVF 3FDPSE

w &-&.&/5 w "55-*45 w 9.-ͷܗΛఆ͍ٛͯ͠Δ w ఆ͔ٛΒɺ9.-͕ଥ౰͔όϦσʔγϣϯνΣοΫͰ͖Δ &-&.&/5"55-*45 %5%

QBSTFS @GPVOE&MFNFOU%FDMBSBUJPO8JUI/BNFNPEFM IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOGPVOEBUJPOYNMQBSTFSEFMFHBUFQBSTFS

optional func parser( _ parser: XMLParser, foundElementDeclarationWithName elementName: String, model:
String ) &-&.&/5ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE&MFNFOU%FDMBSBUJPO8JUI/BNFNPEFM parser An NSXMLParser object parsing XML. elementName A string that is the name of an element. model A string that specifies a model for elementName.

&-&.&/5ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE&MFNFOU%FDMBSBUJPO8JUI/BNFNPEFM parser An NSXMLParser object parsing XML. elementName
A string that is the name of an element. model A string that specifies a model for elementName. &-&.&/53FDPSE .FUBEBUB&OUSZc)FBSU3BUF7BSJBCJMJUZ.FUBEBUB-JTU

υΩϡϝϯτʹࡌ͍ͬͯ ͳ͍෦෼

String ) &-&.&/5ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE&MFNFOU%FDMBSBUJPO8JUI/BNFNPEFM &-&.&/53FDPSE .FUBEBUB&OUSZc)FBSU3BUF7BSJBCJMJUZ.FUBEBUB-JTU ༧૝ FMFNFOU/BNF 3FDPSE NPEFM .FUBEBUB&OUSZc)FBSU3BUF7BSJBCJMJUZ.FUBEBUB-JTU

String ) &-&.&/5ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE&MFNFOU%FDMBSBUJPO8JUI/BNFNPEFM &-&.&/53FDPSE .FUBEBUB&OUSZc)FBSU3BUF7BSJBCJMJUZ.FUBEBUB-JTU ༧૝ ࣮ࡍ FMFNFOU/BNF 3FDPSE 3FDPSE NPEFM .FUBEBUB&OUSZc)FBSU3BUF7BSJBCJMJUZ.FUBEBUB-JTU ۭจࣈ

IUUQTEFWFMPQFSBQQMFDPNGPSVNTUISFBE

QBSTFS @GPVOE"UUSJCVUF%FDMBSBUJPO8JUI/BNFGPS&MFNFOUUZQFEFGBVMU7BMVF IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOGPVOEBUJPOYNMQBSTFSEFMFHBUFQBSTFS

optional func parser( _ parser: XMLParser, foundAttributeDeclarationWithName attributeName: String, forElement
elementName: String, type: String?, defaultValue: String? ) "55-*45ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE"UUSJCVUF%FDMBSBUJPO8JUI/BNFGPS&MFNFOUUZQFEFGBVMU7B MVF parser An NSXMLParser object parsing XML. attributeName A string that is the name of an attribute. elementName A string that is the name of an element that has the attribute attributeName. type A string, such as "ENTITY", "NOTATION", or "ID", that indicates the type of the attribute. defaultValue A string that specifies the default value of the attribute.

"55-*45ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE"UUSJCVUF%FDMBSBUJPO8JUI/BNFGPS&MFNFOUUZQFEFGBVMU7B MVF parser An NSXMLParser object parsing
XML. attributeName A string that is the name of an attribute. elementName A string that is the name of an element that has the attribute attributeName. type A string, such as "ENTITY", "NOTATION", or "ID", that indicates the type of the attribute. defaultValue A string that specifies the default value of the attribute. "55-*45TRVBSFXJEUI$%"5"

"55-*45ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE"UUSJCVUF%FDMBSBUJPO8JUI/BNFGPS&MFNFOUUZQFEFGBVMU7B MVF parser An NSXMLParser object parsing
XML. attributeName A string that is the name of an attribute. elementName A string that is the name of an element that has the attribute attributeName. type A string, such as "ENTITY", "NOTATION", or "ID", that indicates the type of the attribute. defaultValue A string that specifies the default value of the attribute. "55-*45TRVBSFXJEUI$%"5" ͭͷ஋͕ͦΕͧΕͷύϥϝʔλʹͳ͍ͬͯΔ

υΩϡϝϯτʹࡌ͍ͬͯ ͳ͍෦෼

"55-*45ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE"UUSJCVUF%FDMBSBUJPO8JUI/BNFGPS&MFNFOUUZQFEFGBVMU7B MVF ༧૝ BUUSJCVUF/BNF XJEUI FMFNFOU/BNF TRVBSF
UZQF $%"5" EFGBVMU7BMVF optional func parser( _ parser: XMLParser, foundAttributeDeclarationWithName attributeName: String, forElement elementName: String, type: String?, defaultValue: String? ) "55-*45TRVBSFXJEUI$%"5"

"55-*45ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE"UUSJCVUF%FDMBSBUJPO8JUI/BNFGPS&MFNFOUUZQFEFGBVMU7B MVF ༧૝ ݁Ռ BUUSJCVUF/BNF XJEUI XJEUI
FMFNFOU/BNF TRVBSF TRVBSF UZQF $%"5" ۭจࣈ EFGBVMU7BMVF optional func parser( _ parser: XMLParser, foundAttributeDeclarationWithName attributeName: String, forElement elementName: String, type: String?, defaultValue: String? ) "55-*45TRVBSFXJEUI$%"5"

"55-*45ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE"UUSJCVUF%FDMBSBUJPO8JUI/BNFGPS&MFNFOUUZQFEFGBVMU7B MVF ༧૝ ࣮ࡍ BUUSJCVUF/BNF XJEUI XJEUI
FMFNFOU/BNF TRVBSF TRVBSF UZQF $%"5" ۭจࣈ EFGBVMU7BMVF 3&26*3&% OJM optional func parser( _ parser: XMLParser, foundAttributeDeclarationWithName attributeName: String, forElement elementName: String, type: String?, defaultValue: String? ) "55-*45TRVBSFXJEUI$%"5"3&26*3&%

&/5*5:

w ಺෦&/5*5: w ֎෦&/5*5: &/5*5: %5%

಺෦&/5*5: &/5*5: CPPLTOBNFॻ੶৘ใ CPPL UJUMFࡾ࢛࿠UJUMF BVUIPSՆ໨ᕸੴBVUIPS CPPL CPPL UJUMFͦΕ͔ΒUJUMF BVUIPSՆ໨ᕸੴBVUIPS
CPPL CPPL UJUMF໳UJUMF BVUIPSՆ໨ᕸੴBVUIPS CPPL CPPLT

಺෦&/5*5: &/5*5: CPPLTOBNFॻ੶৘ใ CPPL UJUMFࡾ࢛࿠UJUMF BVUIPSՆ໨ᕸੴBVUIPS CPPL CPPL UJUMFͦΕ͔ΒUJUMF BVUIPSՆ໨ᕸੴBVUIPS
CPPL CPPL UJUMF໳UJUMF BVUIPSՆ໨ᕸੴBVUIPS CPPL CPPLT ಉ͡࡞ऀ໊ͷ࡞඼͕ฒΜͰ͍Δ

಺෦&/5*5: &/5*5: YNMWFSTJPOFODPEJOH65' %0$5:1&CPPLT< &/5*5:BVUIPSՆ໨ᕸੴ > CPPLTOBNFॻ੶৘ใ
CPPL UJUMFࡾ࢛࿠UJUMF BVUIPSBVUIPSBVUIPS CPPL CPPL UJUMFͦΕ͔ΒUJUMF BVUIPSBVUIPSBVUIPS CPPL CPPL UJUMF໳UJUMF BVUIPSBVUIPSBVUIPS CPPL CPPLT ಺෦&/5*5:Ͱஔ͖׵͑

಺෦&/5*5:ͷ 9.-1BSTFSղੳ

optional func parser( _ parser: XMLParser, foundInternalEntityDeclarationWithName name: String, value:
String? ) ಺෦&/5*5:ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE*OUFSOBM&OUJUZ%FDMBSBUJPO8JUI/BNFWBMVF parser An NSXMLParser object parsing XML. name A string that is the declared name of an internal entity. value A string that is the value of entity name.

಺෦&/5*5:ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE*OUFSOBM&OUJUZ%FDMBSBUJPO8JUI/BNFWBMVF ༧૝ ࣮ࡍ OBNF BVUIPS BVUIPS WBMVF Ն໨ᕸੴ
Ն໨ᕸੴ &/5*5:BVUIPSՆ໨ᕸੴ optional func parser( _ parser: XMLParser, foundInternalEntityDeclarationWithName name: String, value: String? )

಺෦&/5*5: &/5*5: CPPLTOBNFॻ੶৘ใ CPPL UJUMFࡾ࢛࿠UJUMF BVUIPSBVUIPSBVUIPS CPPL CPPL UJUMFͦΕ͔ΒUJUMF BVUIPSBVUIPSBVUIPS
CPPL CPPL UJUMF໳UJUMF BVUIPSBVUIPSBVUIPS CPPL CPPLT

಺෦&/5*5: &/5*5: func parser(_ parser: XMLParser, foundCharacters string: String) {
print(string) } ಺༰͸Ͳ͏ग़ྗ͞ΕΔʁ CPPLTOBNFॻ੶৘ใ CPPL UJUMFࡾ࢛࿠UJUMF BVUIPSBVUIPSBVUIPS CPPL CPPL UJUMFͦΕ͔ΒUJUMF BVUIPSBVUIPSBVUIPS CPPL CPPL UJUMF໳UJUMF BVUIPSBVUIPSBVUIPS CPPL CPPLT

print(string) // Ն໨ᕸੴ } ಺༰͸Ͳ͏ग़ྗ͞ΕΔʁ CPPLTOBNFॻ੶৘ใ CPPL UJUMFࡾ࢛࿠UJUMF BVUIPSBVUIPSBVUIPS CPPL CPPL UJUMFͦΕ͔ΒUJUMF BVUIPSBVUIPSBVUIPS CPPL CPPL UJUMF໳UJUMF BVUIPSBVUIPSBVUIPS CPPL CPPLT

print(string) // &author; } ಺༰͸Ͳ͏ग़ྗ͞ΕΔʁ CPPLTOBNFॻ੶৘ใ CPPL UJUMFࡾ࢛࿠UJUMF BVUIPSBVUIPSBVUIPS CPPL CPPL UJUMFͦΕ͔ΒUJUMF BVUIPSBVUIPSBVUIPS CPPL CPPL UJUMF໳UJUMF BVUIPSBVUIPSBVUIPS CPPL CPPLT

print(string) // \n } վߦจࣈ͕͘Δˠม׵Ͱ͖ͳ͍ CPPLTOBNFॻ੶৘ใ CPPL UJUMFࡾ࢛࿠UJUMF BVUIPSBVUIPSBVUIPS CPPL CPPL UJUMFͦΕ͔ΒUJUMF BVUIPSBVUIPSBVUIPS CPPL CPPL UJUMF໳UJUMF BVUIPSBVUIPSBVUIPS CPPL CPPLT

֎෦&/5*5:

֎෦&/5*5: &/5*5: YNMWFSTJPOFODPEJOHVUG %0$5:1&UFTU< &/5*5:FYUFSOBM4:45&.VTFS fi MFYNM >
UFTUFYUFSOBMUFTU

֎෦&/5*5: &/5*5: YNMWFSTJPOFODPEJOHVUG %0$5:1&UFTU< &/5*5:FYUFSOBM4:45&.VTFS fi MFYNM >
UFTUFYUFSOBMUFTU ࢦఆ͞Εͨύεͷ಺༰ʹஔ͖׵ΘΔ

9.-1BSTFSͰͷ֎෦ &/5*5:

optional func parser( _ parser: XMLParser, foundExternalEntityDeclarationWithName name: String, publicID:
String?, systemID: String? ) ֎෦&/5*5:ղੳ༻9.-1BSTFS%FMFHBUF QBSTFS @GPVOE&YUFSOBM&OUJUZ%FDMBSBUJPO8JUI/BNFQVCMJD*%TZTUFN*%

֎෦&/5*5:Λύʔε͠ ͯΈΔ

9.-1BSTFSͰͷ֎෦&/5*5: &/5*5: YNMWFSTJPOFODPEJOHVUG %0$5:1&UFTU< &/5*5:FYUFSOBM4:45&.VTFS fi MFYNM >
UFTUFYUFSOBMUFTU

UFTUFYUFSOBMUFTU func parser(_ parser: XMLParser, parseErrorOccurred parseError: Error) { print(#function, #line, "parseError", parseError) } parser(_:parseErrorOccurred:) 45 parseError Error Domain=NSXMLParserErrorDomain Code=104 "(null)" UserInfo={NSXMLParserErrorColumn=17, NSXMLParserErrorLineNumber=5, NSXMLParserErrorMessage=Failure to process entity external }

֎෦&/5*5:͸ಈ͔ͳ ͍ʁ

ಈ͖·͢ʂ

externalEntityResolvingPolicy IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOGPVOEBUJPOYNMQBSTFSFYUFSOBMFOUJUZSFTPMWJOHQPMJDZ

/PPWFSWJFXBWBJMBCMF

switch xmlParser.externalEntityResolvingPolicy { case .never: print("never") // ← Default case
.noNetwork: print("noNetwork") case .sameOriginOnly: print("sameOriginOnly") case .always: print("always") @unknown default: print("default") } 9.-1BSTFSͰ%0. 6TJOH.VMUJQMF%FMFHBUFT σϑΥϧτͰ͸OFWFS͕ઃఆ͞Ε͍ͯΔ

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.noNetwork: print("noNetwork") case .sameOriginOnly: print("sameOriginOnly") case .always: print("always") @unknown default: print("default") } xmlParser.externalEntityResolvingPolicy = .noNetwork // or .always 9.-1BSTFSͰ%0. 6TJOH.VMUJQMF%FMFHBUFT ֎෦&OUJUZ͕ fi MFͷ৔߹ɺOP/FUXPSL΍BMXBZTʹઃఆ͢Δ

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iOSDC令和時代のXML処理を考える

iOSDC令和時代のXML処理を考える

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