[B! xpath] urza358ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

urza358 id:urza358

xpathã«é–¢ã™ã‚‹urza358ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (9)

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ç¶šDOM XPath
DOM XPathã®å®Ÿè£…ã«ã€ã©ã“ã‹é•å’Œæ„ŸãŒã‚ã‚‹ã€‚ãã®ç†ç”±ã¯ã“ã†ã ã€‚ å…¸åž‹çš„ãªXHTMLã®å ´åˆã€HTMLè¦ç´ ã«ã€ç„¡åã®åå‰ç©ºé–“ã¨ã§ã‚‚ã„ã†ã¹ãã‚‚ã®ã‚’æŒ‡å®šã™ã‚‹ã€‚ï¼ˆè¦æ ¼ã‚’é€†ã•ã«ã—ã¦ã¿ã¦ã‚‚ã€ã©ã†ã‚‚ã“ã®åå‰ã®ãªã„åå‰ç©ºé–“ã®æ£å¼åç§°ã¯åˆ†ã‹ã‚‰ãªã„ï¼‰ <html xmlns="http://www.w3.org/1999/xhtml" > ã“ã‚Œã¯ç¢ºã‹ã«åå‰ç©ºé–“ã ãŒã€ã¨ãã«å…·ä½“çš„ãªåå‰ã‚’ä½¿ã£ã¦ã¯ã„ãªã„ã€‚ã—ãŸãŒã£ã¦ã€ãã‚‚ãã‚‚å…¸åž‹çš„ãªXHTMLã«ã¯ã€åå‰ç©ºé–“ã®ãƒ—ãƒ¬ãƒ•ã‚£ã‚¯ã‚¹ãªã©æŒ‡å®šã—ã‚ˆã†ãŒãªã„ã®ã§ã‚ã‚‹ã€‚æŒ‡å®šã—ã‚ˆã†ãŒãªã„ã®ã ã‹ã‚‰ã€XPathEvaluator.createNSResolver(document.documentElement)ã‚’ä½¿ã£ã¦ã€ç¾åœ¨ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã®Resolverã‚’ä½œã£ãŸã¨ã—ã¦ã‚‚ã€å‹•ãã‚ã‘ãŒãªã„ã€‚ã ã‹ã‚‰ã€XPathã«ãŠã„ã¦ã¯ã€ãƒ€ãƒŸãƒ¼ã®åå‰ç©ºé–“ã‚’æŒ‡å®šã—ã€ãã®ãƒ€ãƒŸãƒ¼ã®åå‰ç©ºé–“ã«å¯¾ã—ã¦ã€XHTMLã®
urza358 2012/08/15
xpath

DOM
ãƒªãƒ³ã‚¯
https://support.microsoft.com/ja-jp/help/307935
urza358 2012/08/15
xpath

MSXML
ãƒªãƒ³ã‚¯
msxmlã«ã¤ã„ã¦ - TakaraIzumo
ã“ã‚Œã‚‰ã®ãƒ¡ã‚½ãƒƒãƒ‰ã«ã‚ˆã‚Šã€æ‰€æŒæ•°ã¨ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹æŒ‡å®šã«ã‚ˆã‚‹æŠ½å‡ºãŒè¡Œãˆã‚‹ã®ã§ã€ä¸€èˆ¬çš„ãªé…åˆ—æ“ä½œãŒè¡Œãˆã‚‹ã€‚ selectSingleNode? ã¨ selectNode selectSingleNode? ã¯ã€ HRESULT selectSingleNode( BSTR queryString, IXMLDOMNode **resultNode ); ã¨å®šç¾©ã•ã‚Œã¦ã„ã‚‹ã€‚å¾—ã‚‰ã‚Œã‚‹æ¤œç´¢çµæžœã¯ã€ä¸€ã¤ã®ãƒŽãƒ¼ãƒ‰( IXMLDOMNode )ã¨ãªã‚‹ã€‚ã‚‚ã—è¤‡æ•°ãƒ’ãƒƒãƒˆã™ã‚‹å¯èƒ½æ€§ã®ã‚ã‚‹ã‚¯ã‚¨ãƒªã‚’æŒ‡å®šã—ãŸå ´åˆã€åˆã‚ã«å¾—ã‚‰ã‚ŒãŸã‚‚ã®ã¨ãªã‚‹ã€‚ selectNode ã¯ã€ HRESULT selectNodes( BSTR expression, IXMLDOMNodeList **resultList); ã¨å®šç¾©ã•ã‚Œã¦ã„ã‚‹ã€‚å¾—ã‚‰ã‚Œã‚‹æ¤œç´¢çµæžœã¯ãƒŽãƒ¼ãƒ‰ãƒªã‚¹ãƒˆ( IXMLDOMNodeList )ã¨ãªã‚‹ã€‚ äºˆã‚ XML ä¸ã§ä¸€æ„
urza358 2012/08/14
*c++

MSXML

COM

DOM

xpath
ãƒªãƒ³ã‚¯
XPathã‚’ç”¨ã„ã¦XMLãƒ‡ãƒ¼ã‚¿ã‚’æ“ä½œ(XPathDocument, XPathNavigator) - ã„ã‚ã„ã‚å‚™å¿˜éŒ²æ—¥è¨˜
å‰å›žã€XmlReaderã‚’ç”¨ã„ã¦XMLãƒ‡ãƒ¼ã‚¿ã®èªã¿å‡ºã—ã‚’æ›¸ãã¾ã—ãŸãŒ å®Ÿéš›ã«XMLã‚’æ“ä½œã™ã‚‹å ´åˆã€å‰å›žã®ã‚ˆã†ã«è¦ç´ ã‚’ä¸Šã‹ã‚‰é †ã«è¦‹ã¦ã„ãã®ã¨ã¯ åˆ¥ã«XPathå¼ã‚’ä½¿ã£ã¦ãƒ‡ãƒ¼ã‚¿ã‚’æ“ä½œã™ã‚‹æ–¹æ³•ãŒã‚ã‚Šã¾ã™ã€‚ XPathã‚’åˆ©ç”¨ã™ã‚‹ã®ã¯ã€ä¾‹ãˆã‚‹ã¨ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã«å¯¾ã—ã¦SQLã‚’ä½¿ã£ã¦ãƒ‡ãƒ¼ã‚¿ã‚’ å–å¾—ã™ã‚‹ã®ã«ä¼¼ã¦ã„ã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚æ¡ä»¶ã‚’ä»˜åŠ ã—ãŸä¸Šã§ã®ç‰¹å®šãƒ‡ãƒ¼ã‚¿ã® å–å¾—ãªã©ãŒä¸€ç™ºã§è¡ŒãˆãŸã‚Šã—ã¾ã™ã€‚ .NETã§ã¯ã€XPathãŒã‚µãƒãƒ¼ãƒˆã•ã‚Œã¦ã„ã¾ã™ã®ã§ã€åˆ¥é€”ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ å¿…è¦ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ ã‚„ã‚Šæ–¹ã§ã™ãŒã€ä»¥ä¸‹ã®ã‚ˆã†ãªæ‰‹é †ã«ãªã‚Šã¾ã™ã€‚ å…ƒã¨ãªã‚‹Stream, File, XmlReaderãªã©ã‹ã‚‰XPathDocumentã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’ç”Ÿæˆ. ä½œæˆã—ãŸXPathDocumentã‹ã‚‰XPathNavigatorã‚’ç”Ÿæˆ. XPathNavigator::Evaluateã‚’ä½¿ã£ã¦XPathå¼ã‚’è©•ä¾¡. ä»¥ä¸‹
urza358 2012/08/14
xml

xpath

*c#
ãƒªãƒ³ã‚¯
4. Xpath ã®åž‹ã¨æ¼”ç®—å
æ¼”ç®—åã«é–¢ã—ã¦ä»¥ä¸‹ã®ã‚ˆã†ãªæ³¨æ„ç‚¹ãŒã‚ã‚Šã¾ã™ã€‚ XPath å¼ã‚’ XML æ–‡æ›¸å†…ã§ä½¿ç”¨ã™ã‚‹å ´åˆã«ã¯ã€< æ¼”ç®—åã‚„ <= æ¼”ç®—åã¯ã€ã‚¿ã‚°ã®é–‹å§‹ã‚„çµ‚äº†ã¨è§£é‡ˆã•ã‚Œã‚‹ã“ã¨ã‚’é¿ã‘ã‚‹ãŸã‚ XML 1.0 ã®ãƒ«ãƒ¼ãƒ«ã«å¾“ã„ã€< ã‚„ <= ã®ã‚ˆã†ã«æ›¸ã‹ãªã‘ã‚Œã°ãªã‚Šã¾ã›ã‚“ã€‚ XMLã§ã¯åå‰ã« - ã‚’ä½¿ç”¨ã§ãã‚‹ãŸã‚ã€- æ¼”ç®—åã®å‰ã«ç©ºç™½ã‚’å…¥ã‚Œãªã‘ã‚Œã°ãªã‚‰ãªã„ã‚±ãƒ¼ã‚¹ãŒã‚ã‚Šã¾ã™ã€‚ãŸã¨ãˆã°ã€foo-bar ã¯ foo-bar ã¨ã„ã†åå‰ã®åè¦ç´ ã‚’å«ã‚€ãƒŽãƒ¼ãƒ‰é›†åˆã«ãªã‚Šã¾ã™ãŒã€foo -bar ã¯åè¦ç´ foo ã®æ–‡å—åˆ—å€¤ã‚’æ•°å€¤ã«å¤‰æ›ã—ãŸçµæžœã¨ã€åè¦ç´ bar ã®æ–‡å—åˆ—å€¤ã‚’æ•°å€¤ã«å¤‰æ›ã—ãŸçµæžœã¨ã®å·®ã«ãªã‚Šã¾ã™ã€‚ * ã¯ä¹—ç®—ã®æ¼”ç®—åã¨ã—ã¦ä½¿ç”¨ã—ã¾ã™ãŒã€ãƒŽãƒ¼ãƒ‰ãƒ†ã‚¹ãƒˆã§ã‚‚ã‚ã‚Šã¾ã™ã€‚ç›´å‰ãŒ @ã€::ã€(ã€[ã€, ã¾ãŸã¯æ¼”ç®—åã®ã¨ãã¯ * ã¯ãƒŽãƒ¼ãƒ‰ãƒ†ã‚¹ãƒˆã¨ã—ã¦å‡¦ç†ã•ã‚Œã¾ã™ã€‚ ä¾‹ãˆã°ã€1 + 2 * 3 ã§ã¯æŽ›ã‘ç®—ãŒå„ªå…ˆã•ã‚Œã‚‹ãŸã‚ã€è¶³ã—
urza358 2012/08/14
xpath

xml
ãƒªãƒ³ã‚¯
XML Path Language - Wikipedia
XMLæ–‡æ›¸ã« XPath ã®å¼ã‚’é©ç”¨ã—ãŸã‚¤ãƒ¡ãƒ¼ã‚¸ XMLå¤‰æ›ã«ãŠã‘ã‚‹XPathã®ä½ç½®ä»˜ã‘ XML Path Language ï¼ˆXPathï¼ˆã‚¨ãƒƒã‚¯ã‚¹ãƒ‘ã‚¹ï¼‰ï¼‰ ã¯ã€ãƒžãƒ¼ã‚¯ã‚¢ãƒƒãƒ—è¨€èªž XML ã«æº–æ‹ ã—ãŸæ–‡æ›¸ã®ç‰¹å®šã®éƒ¨åˆ†ã‚’æŒ‡å®šã™ã‚‹è¨€èªžæ§‹æ–‡ã§ã‚ã‚‹ã€‚XPathè‡ªä½“ã¯ç°¡æ½”ãªæ§‹æ–‡ ï¼ˆå¼è¨€èªžï¼‰ ã§ã‚ã‚Šã€XMLãƒ™ãƒ¼ã‚¹ã®ãƒžãƒ¼ã‚¯ã‚¢ãƒƒãƒ—è¨€èªžã§ã¯ãªã„ã€‚æ¨™æº–åŒ–å›£ä½“ W3C (World Wide Web Consortium) ã§é–‹ç™ºã•ã‚Œã€1999å¹´11æœˆ16æ—¥ã« XML Path Language (XPath) 1.0 ãŒ XSL Transf ormations (XSLT) 1.0 ã¨åŒæ™‚ã«å‹§å‘Šã¨ã—ã¦å…¬è¡¨ã•ã‚ŒãŸ[1][2]ã€‚XPathã¯ã€XSLT ã¨ XSL-FO ã¨ã¨ã‚‚ã« XSL ã®æ§‹æˆè¦ç´ ã§ã‚ã‚‹ã€‚2007å¹´1æœˆ23æ—¥ã€W3C ã§ XPath 1.0 ã®æ¬¡æœŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ãŒåˆ¶å®šã•ã‚Œã€XPath 2.0 ãŒ XSL
urza358 2012/08/14
xpath
ãƒªãƒ³ã‚¯
03.æŒ‡å®šã—ãŸå±žæ€§å€¤ã‚’æŒã¤ãƒŽãƒ¼ãƒ‰ã‚’æ¤œç´¢ã™ã‚‹ < XPath Tips ãƒ¡ãƒ‹ãƒ¥ãƒ¼ < XML Tips < C# 2005 Tips HOME < HIRO's.NET
æŒ‡å®šã—ãŸå±žæ€§å€¤ã‚’æŒã¤ãƒŽãƒ¼ãƒ‰ã‚’å–å¾—ã™ã‚‹ã«ã¯ãƒŠãƒ“ã‚²ãƒ¼ã‚¿ã®Evaluateãƒ¡ã‚½ãƒƒãƒ‰ã‚’ä½¿ç”¨ã—ã¾ã™ã€‚ã“ã®ã‚µãƒ³ãƒ—ãƒ«ã§ã¯ã‚¿ã‚°ã®å±žæ€§IDãŒ"ID00234"ã®ãƒŽãƒ¼ãƒ‰ã‚’å–å¾—ã—ã¦ã„ã¾ã™ã€‚ æ¤œç´¢å¼ã¯ã€//æ¤œç´¢ã™ã‚‹ã‚¿ã‚°[@å±žæ€§å=æ¤œç´¢å€¤] ã®ç”¨ã«æŒ‡å®šã—ã¾ã™ã€‚ //XPathãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚’ä½œæˆ System.Xml.XPath.XPathDocument xmlDoc = new System.Xml.XPath.XPathDocument(@"C:\Work\Test.xml"); //ãƒŠãƒ“ã‚²ãƒ¼ã‚¿ã‚’ä½œæˆ System.Xml.XPath.XPathNavigator xNavi = xmlDoc.CreateNavigator(); //æ¤œç´¢å¼ã‚’æŒ‡å®šã—ã¦ã€ãƒ’ãƒƒãƒˆã—ãŸãƒŽãƒ¼ãƒ‰ã‚’iteã«æ ¼ç´ System.Xml.XPath.XPathNodeIterator ite = (System.Xml.XPath.XPath
urza358 2012/08/13
xml

xpath
ãƒªãƒ³ã‚¯
åå‰ç©ºé–“ã‚’æŒ‡å®šã—ã¦XPathã‚’å®Ÿè¡Œã™ã‚‹ã€‚(XmlNamespaceManager, XmlReader, XPathDocument, XPathNavigator, Evaluate) - ã„ã‚ã„ã‚å‚™å¿˜éŒ²æ—¥è¨˜
XPathã‚’ç”¨ã„ãŸãƒ‡ãƒ¼ã‚¿ã®æ“ä½œæ–¹æ³•ã«ã¤ã„ã¦ã¯ã€ä»¥å‰ http://d.hatena.ne.jp/gsf_zero1/20070117/p2 ã‚„ http://d.hatena.ne.jp/gsf_zero1/20060830/p1 ã«ã¦ã€è¨˜è¿°ã—ã¾ã—ãŸãŒ ã“ã®æ™‚è¨˜è¿°ã—ãŸã®ã¯ã€è©²å½“ã®XMLãƒ‡ãƒ¼ã‚¿ãŒãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®åå‰ç©ºé–“ã«å±žã—ã¦ã„ã‚‹å ´åˆã®å‡¦ç†ã®æ–¹æ³•ã§ã™ã€‚ å®Ÿéš›ã®XMLãƒ‡ãƒ¼ã‚¿ã¯ã€xmlnsã«ç‰¹å®šã®åå‰ç©ºé–“ã‚’æŒ‡å®šã—ã¦ã„ã‚‹ãƒ‘ã‚¿ãƒ¼ãƒ³ã‚‚çµæ§‹å¤šã„ã§ã™ã€‚ ã“ã®å ´åˆã¯ã€XPathã‚’ä½¿ç”¨ã™ã‚‹éš›ã«ã€åå‰ç©ºé–“ã‚’ãƒžãƒƒãƒ”ãƒ³ã‚°ã™ã‚‹ä½œæ¥ãŒç™ºç”Ÿã—ã¾ã™ã€‚ åå‰ç©ºé–“ã®ãƒžãƒƒãƒ”ãƒ³ã‚°ã«ä½¿ç”¨ã™ã‚‹ã‚¯ãƒ©ã‚¹ã¯ã€ä»¥ä¸‹ã®ã‚¯ãƒ©ã‚¹ã¨ãªã‚Šã¾ã™ã€‚ System.Xml.XmlNamespaceManager ä»¥ä¸‹ã®ã‚ˆã†ã«ã—ã¦åˆ©ç”¨ã—ã¾ã™ã€‚ // // XmlNamespaceManagerã‚’ä½œæˆã€‚ // ã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ã«æ¸¡ã™ã®ã¯ã€XmlReaderã‚„XPath
urza358 2012/08/13
xml

xpath
ãƒªãƒ³ã‚¯
PagAlloc missing?
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urza358 2011/10/07
Bentley
ãƒªãƒ³ã‚¯
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