xsl xpath examples

While using W3Schools, you agree to have read and accepted our, Selects all ancestors (parent, grandparent, etc.) Result: true, Example: replace("Bella Italia", "l", "*") While using W3Schools, you agree to have read and accepted our, Returns the node-name of the argument node, Returns a Boolean value indicating whether the argument node is nilled, Takes a sequence of items and returns a sequence of atomic values, Returns the value of the base-uri property of the current or specified node, Returns the value of the document-uri property for the specified node, Example: error(fn:QName('http://example.com/test', 'err:toohigh'), 'Error: Price is too high'), Returns the numeric value of the argument. Result: ("ab", "cd", "gh"), Example: reverse(("ab", "cd", "ef")) You can also rearrange and sort elements, perform tests and make decisions about which elements to hide and display, and a lot more. Result: ("ab"), Example: subsequence(($item1, $item2, $item3,...), 3) Result: (2, 4), Example: index-of (("a", "dog", "and", "a", "duck"), "a") Xpath contains a library of standard functions. This example will add a pink background-color to the "Artist" column WHEN the price of the CD is higher than 10: Example 2. Result: '10', Example: matches("Merano", "ran") '), ' ') Result: ' We are having fun! ' ', Example:string-join((), 'sep') Xpath is an important component of XSLT standard. Result: "http://example.com/~b%C3%A9b%C3%A9", Example: contains('XML','XM') Result: 12, Example: minutes-from-dateTime(xs:dateTime("2005-01-10T12:30-04:10")) Result: ($item3, ...), Example: subsequence(($item1, $item2, $item3, ...), 2, 2) This will usually be a document node, Returns the positions within the sequence of items that are equal to the searchitem argument, Returns a new sequence constructed from the value of the item arguments - with the item specified by the position argument removed, Returns true if the value of the arguments IS an empty sequence, otherwise it returns false, Returns true if the value of the arguments IS NOT an empty sequence, otherwise it returns false, Returns a new sequence constructed from the value of the item arguments - with the value of the inserts argument inserted in the position specified by the pos argument, Returns the reversed order of the items specified, Returns a sequence of items from the position specified by the start argument and continuing for the number of items specified by the len argument. The value for that field is stored as text inside of that field's tag. Example: concat('XPath ','is ','FUN!') Example: bookstore/book[1] => Fetches details of first child of bookstore element. Result: 0, Example: year-from-date(xs:date("2005-04-23")) bookstore/book[last()] => … © 2020 SmartBear Software. A location path can be absolute or relative. Result: 7, Example: normalize-space(' The   XML ') replaces all internal sequences of white space with one and returns the result. Result: 'Thérèse', Example: string-to-codepoints("Thérèse") of the current node, Selects all descendants (children, grandchildren, etc.) With XSLT you can add/remove elements and attributes to or from the output file. Result: "314", Example: codepoints-to-string((84, 104, 233, 114, 232, 115, 101)) fn:string-join((string,string,...),sep) Returns a string created by concatenating the string arguments and using the sep argument as the separator Example: string-join(('We', 'are', 'having', 'fun! Example 1. of the current node and the current node itself, Selects everything in the document after the closing tag of the current node, Selects all siblings after the current node, Selects all namespace nodes of the current node, Selects all nodes that appear before the current node in the document, except ancestors, attribute nodes and namespace nodes, Selects all siblings before the current node, Selects all book nodes that are children of the current node, Selects the lang attribute of the current node, Selects all element children of the current node, Selects all text node children of the current node, Selects all book descendants of the current node, Selects all book ancestors of the current node, Selects all book ancestors of the current node - and the current as well if it is a book node, Selects all price grandchildren of the current node, an axis (defines the tree-relationship between the selected nodes and the current node), a node-test (identifies a node within an axis), zero or more predicates (to further refine the selected node-set). Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. Examples might be simplified to improve reading and learning. If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail: W3Schools is optimized for learning and training. However, there are optional arguments of --xpath and --xsl-file which allow you to query the resulting document for particular information. Otherwise, it returns a time with a timezone, Returns the name of the current node or the first node in the specified node set, Returns the name of the current node or the first node in the specified node set - without the namespace prefix, Returns the namespace URI of the current node or the first node in the specified node set, Returns true if the language of the current node matches the language of the specified language, Returns the root of the tree to which the current node or the specified belongs. to locate nodes relative to that node on the tree.

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, Example: index-of ((15, 40, 25, 40, 10), 40) Result: '12:45', Example: translate('12:30','0123','abcd') XSLT 2.0, XPath 2.0, and XQuery 1.0, share the same functions library. element is used to pass parameters to the template. Result: 10, Example: hours-from-dateTime(xs:dateTime("2005-01-10T12:30-04:10")) If you feel more comfortable handling XML conversions than connecting directly to a database, you can instead get data about reviews using the command ccollab admin review-xml. Result: 23, Example: hours-from-time(xs:time("10:22:00")) Result: 'bc:da', Example: escape-uri("http://example.com/test#car", false()) Result: 2, Example: round-half-to-even(2.5) XSLT Elements. '), ' ') Examples might be simplified to improve reading and learning. The default prefix for the function namespace is fn: Result: 2005, Example: month-from-date(xs:date("2005-04-23")) ', Example: string-join(('We', 'are', 'having', 'fun! #5) Provide the string/text value regarding the XPath expression defined in … XSLT uses XPath … Result: Returns http://example.com/test#toohigh and the string "Error: Price is too high" to the external processing environment, Example: round-half-to-even(1.5) Result: 'Bea Itaia', Component Extraction Functions on Durations, Dates and Times, Example: year-from-dateTime(xs:dateTime("2005-01-10T12:30-04:10")) The argument could be a boolean, string, or node-set, Returns the absolute value of the argument, Returns the smallest integer that is greater than the number argument, Returns the largest integer that is not greater than the number argument, Rounds the number argument to the nearest integer, Returns the string value of the argument. Result: ("cd", "ef"), Example: remove(("ab", "cd", "ef"), 4) Tip: Functions are often called with the fn: prefix, such as fn:string(). By default, it will output the entire XML document for the review. Result: 'k', Example: min(('a', 'k')) This command has one required argument, the review ID. Result: false, Example: exists(remove(("ab"), 1)) The hierarchy in an XPath expression tells the XPath parser where in the XML document to find elements. Below is an example command invocation and its response: $ ccollab admin review-xml 3919 --xpath /reviews/review/participant-custom-fields, 27, APIs, 5, 45, , 2, 0, . Xpath uses different types of expression to retrieve relevant information from the XML document. Result: 4, Example: day-from-date(xs:date("2005-04-23")) Result: true, Example: starts-with('XML','X') Result: ($item2, $item3), Functions That Test the Cardinality of Sequences, Example: max(('a', 'k')) For example, to get the section of the review-xml document that contains participant custom fields, you would use an XPath expression like this: /reviews/review/participant-custom-fields. In both cases the location path consists of one or more steps, each separated by a slash: Each step is evaluated against the nodes in the current node-set.

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