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Diffstat (limited to 'doc/src/xml-processing')
| -rw-r--r-- | doc/src/xml-processing/xquery-introduction.qdoc | 40 |
1 files changed, 18 insertions, 22 deletions
diff --git a/doc/src/xml-processing/xquery-introduction.qdoc b/doc/src/xml-processing/xquery-introduction.qdoc index 93a33c1..25fa13f 100644 --- a/doc/src/xml-processing/xquery-introduction.qdoc +++ b/doc/src/xml-processing/xquery-introduction.qdoc @@ -40,11 +40,11 @@ ****************************************************************************/ /*! - \page xquery-introduction.html - \title A Short Path to XQuery +\page xquery-introduction.html +\title A Short Path to XQuery - \startpage Using XML Technologies - \target XQuery-introduction +\startpage Using XML Technologies +\target XQuery-introduction XQuery is a language for querying XML data or non-XML data that can be modeled as XML. XQuery is specified by the \l{http://www.w3.org}{W3C}. @@ -119,7 +119,7 @@ following XQuery: \snippet snippets/code/doc_src_qtxmlpatterns.qdoc 18 -The \c{doc()} function loads the file \l{cookbook.xml} and returns the +The \c{doc()} function loads the \c{cookbook.xml} file and returns the document node. The document node then becomes the focus for the next step \c{//recipe}. Here the double slash means select all \c{<recipe>} elements found below the document node, regardless of where they @@ -535,7 +535,7 @@ methods is presented in the section on \l{Boolean Predicates}. There are many more functions and operators defined for XQuery and XPath. They are all \l{http://www.w3.org/TR/xpath-functions} -{documented here}. +{documented in the specification}. \section2 Positional Predicates @@ -688,12 +688,12 @@ XQueries wherever expressions are allowed. \snippet snippets/code/doc_src_qtxmlpatterns.qdoc 40 -If \c{cookbook.xml} is loaded without error, a \c{<resept>} element -(Norweigian word for recipe) is constructed for each \c{<recipe>} +If \c{cookbook.xml} is loaded without error, a \c{<oppskrift>} element +(Norwegian word for recipe) is constructed for each \c{<recipe>} element in the cookbook, and the child nodes of the \c{<recipe>} are -copied into the \c{<resept>} element. But if the cookbook document +copied into the \c{<oppskrift>} element. But if the cookbook document doesn't exist or does not contain well-formed XML, a single -\c{<resept>} element is constructed containing an error message. +\c{<oppskrift>} element is constructed containing an error message. \section1 Constructing Atomic Values @@ -727,26 +727,23 @@ Sending this XQuery through xmlpatterns produces: \snippet snippets/code/doc_src_qtxmlpatterns.qdoc 40 -If \c{cookbook.xml} is loaded without error, a \c{<resept>} element +If \c{cookbook.xml} is loaded without error, a \c{<oppskrift>} element (Norweigian word for recipe) is constructed for each \c{<recipe>} element in the cookbook, and the child nodes of the \c{<recipe>} are -copied into the \c{<resept>} element. But if the cookbook document +copied into the \c{<oppskrift>} element. But if the cookbook document doesn't exist or does not contain well-formed XML, a single -\c{<resept>} element is constructed containing an error message. +\c{<oppskrift>} element is constructed containing an error message. \section1 Running The Cookbook Examples -Most of the XQuery examples in this document refer to the cookbook -written in XML shown below. Save it as \c{cookbook.xml}. In the same -directory, save one of the cookbook XQuery examples in a \c{.xq} file -(e.g. \c{file.xq}). Run the XQuery using Qt's command line utility: +Most of the XQuery examples in this document refer to the +\c{cookbook.xml} example file from the \l{Recipes Example}. +Copy the \c{cookbook.xml} to your current directory, save one of the +cookbook XQuery examples in a \c{.xq} file (e.g., \c{file.xq}), and +run the XQuery using Qt's command line utility: \snippet snippets/code/doc_src_qtxmlpatterns.qdoc 6 -\section2 cookbook.xml - -\snippet snippets/code/doc_src_qtxmlpatterns.qdoc 100 - \section1 Further Reading There is much more to the XQuery language than we have presented in @@ -1019,5 +1016,4 @@ you want to use \c{true} and \c{false}. The other way is to invoke the boolean constructor: \quotefile snippets/patternist/xsBooleanTrue.xq - */ |