Search Results for "xpath"

XSLT is a standard created by World Wide Web Consortium, designed for creating formatting structures that allow for the interpretation and modification of XML elements.eXtensible Stylesheet Language, or XSL was created similarly to XML. After submission to W3C and several working drafts, it was released in 2000. It's goals are mainly similar with XML, more specifically aiming for a quick designing process, being transparent to users and developers, easy to use, with as few as possible optional features and being suitable for use over the

This short description is about the work of XForms. Before talking about XForms it's important to understand the concept of forms. Forms are to collect the data so we should not get surprised if we say XForms is basically depending on instance data. Instance data are these data which are based on XML. The data are defined in the terms of XPath's internal tree illustration and dispensation of XML. It may look odd at first to relate XPath with XForms. However, XPath is the well-known as the ordinary layer between XSLT and XPointer. Since XForms

Altova Education partner This XSL course is the last two days of the five-day XML training course, but it can be taken independently of the five-day package. You are currently working with XML - maybe you've defined a language with a DTD, maybe you're editing XML documents regularly, or maybe you're prototyping a project - but you need to expand your knowledge of the W3C XML languages. The Intermediate client-side XML class examines XPath and XSLT. XSLT is used to transform your XML documents into a format appropriate for particular applications

Style sheets describe how documents are presented on screens, in print, or perhaps how they are pronounced. W3C has actively promoted the use of style sheets on the Web since the Consortium was founded in 1994. The Style Activity has produced several W3C Recommendations (CSS1, CSS2, XPath, XSLT). CSS especially is widely implemented in browsers. By attaching style sheets to structured documents on the Web (e.g. HTML), authors and readers can influence the presentation of documents without sacrificing device-independence or adding new HTML

Debates on the XML-DEV and XSL mailing lists over the last two weeks concern the futures of XSLT, XPath, and, the latest addition to the W3C XML toolkit, XML Query. There are no signs of these debates ending this week. Discussion on XML-DEV about the design of XML Query rages on. Reinventing the Wheel The focus of last week's XML-Deviant was the concern expressed by several XML-DEV contributors that the interdependence of several W3C specifications may have exceeded the dictates of software reuse and become instead a tangled mess. Suggestions were

Now that we are successfully using XML to mark up our information according to our own vocabularies, we are taking control and responsibility for our information, instead of abdicating such control to product vendors. These vendors would rather lock our information into their proprietary schemes to keep us beholden to their solutions and technology.But the flexibility inherent in the power given to each of us to develop our own vocabularies, and for industry associations, e-commerce consortia, and the W3C to develop their own vocabularies, presents the

Not so long ago, font tags (which are evil) provided a web designer’s only means of formatting an HTML document’s text for presentation within web browsers such as Microsoft Internet Explorer™, Opera™ or Mozilla Firefox. The trouble with font tags was that they were not only notoriously unreliable for presenting any given piece of information in the way initially intended by its author; they also bloated file sizes to almost insupportable proportions. In fact, even the text size setting of a browser could make a page’s content overlap or

An old saying goes: “There are two types of people: those who divide people into two types and those who don’t.” I am definitely in the former group. For example, I might say there are two types of people: those who read Web pages and those who create them. Of course, some of us do both, but the vast majority of the Web-using public doesn’t know or care about the messy underpinnings of HTML, Web servers, browser compatibility issues, and all the rest. They care about just one thing: the information on the page. If a page loads too slowly, if the

The Web Consortium's XML Linking working group is developing specifications to enable more advanced hypertext functionality on the Web: in particular fine-grained anchors, external annotation, and bi-directional links. This paper examines basic goals and approaches; describes HTML linking limitations XML Linking seeks to overcome; and surveys the Working Group's primary specifications: XPath, XPointer, and XLink. As of this writing, the last two, while well advanced, are not final recommendations, and so are subject to change. Consult the W3C Web site

Forms are for collecting data, so it's not surprising that the most important concept in XForms is "instance data", an internal representation of the data mapped to the familiar "form controls". Instance data is based on XML and defined in terms of XPath's internal tree representation and processing of XML. It might seem strange at first to associate XPath and XForms. XPath is best known as the common layer between XSLT and XPointer, not as a foundation for web forms. As XForms evolved, however, it became apparent that forms needed greater structure

XPath enables you to locate any one or more nodes within an XML document, often by using multiple alternate routes. In essence, XPath provides the syntax for performing basic queries upon your XML document data. It works by utilizing the ability to work with XML documents as hierarchically structured data sets. All XML documents can be represented as a hierarchy or tree of nodes. This aspect of XML shares a similarity to how paths are encoded in file system URLs, which are used in Windows Explorer to produce tree views of files and folders on your

XML is simply markup for data. That's it. XML is not a magic wand; it does not specify how data is transmitted over the wire, it does not specify how data is stored. XML simply determines the format of the data: what you do with the data is up to you. That said, the real power behind XML is not solely its ability to represent data: XML's real power lies in ancillary technologies that, when combined with XML, provide robust solutions, and XPath is one of those ancillary technologies. Version 1.0 of the XML Path Language became a World Wide Web

This article provides a brief tour through some of the new features in XPath 2.0. It assumes that you already have a basic understanding of XPath 1.0, and that you've most likely used it in the context of XSLT. It is by no means an exhaustive overview but merely points out some of the most noteworthy features. Relationship between XPath 1.0 and XPath 2.0 Both the XPath 1.0 recommendation and the latest XPath 2.0 working draft say that "XPath is a language for addressing parts of an XML document". This was a fairly appropriate characterization of

Abstract XPath is a language for addressing parts of an XML document, designed to be used by both XSLT and XPointer. Status of this document This document has been reviewed by W3C Members and other interested parties and has been endorsed by the Director as a W3C Recommendation. It is a stable document and may be used as reference material or cited as a normative reference from other documents. W3C's role in making the Recommendation is to draw attention to the specification and to promote its widespread deployment. This enhances the

Abstract XSLT 2.0 and XQuery 1.0 have been developed by two Working Groups in close collaboration, and there is a high degree of overlap in the functionality of the two languages. They share many common concepts, such as the underlying data model, and they both include the whole of XPath 2.0 as a sublanguage, together with its extensive repertoire of data types and the associated function library. The two languages focus on different needs, and to some extent these needs exist in different user communities. This makes it understandable that many

xtensible Stylesheet Transformations, or XSLT, has received decidedly mixed reviews from developers. Although XSLT has many evangelists it has its detractors as well. Because of some concepts, such as static variables. XSLT's learning curve can also be a bit steep, particularly for some of the more complex transformations. Many of the problems stem from a fundamental lack of understanding about how the language works. Primarily through Mulberry's XSL-List, the XSLT developer community has gone to great lengths to educate developers on how to use