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-Sablotron XSLT Extensions Readme File
-
-=====================================
-
-
-
-1. Building
-
-----------------------------------------
-
-
-
-Extension elements and functions as defined by XSLT 1.0 are
-
-implemented in Sablotron since the version 0.80. Sablotron recognizes
-
-the extension element <http://www.exslt.org/functions/script> as
-
-suggested by exslt.org. There are some exceptions described later in
-
-this document. Please note, that this feature is still supposed to be
-
-EXPERIMENTAL.
-
-
-
-If you want to benefit form this feature, you have to install
-
-JavaScript engine from mozilla.org (SpiderMonkey). You have to do it
-
-even when you have Mozilla browser installed, because the binary
-
-browser installation doesn't include essential header files.
-
-
-
-An alternative way to get all neccessary JS files is to download and
-
-install Charlie application framework (see gingerall.org).
-
-
-
-All you need to do on Sablotron side is to run the configure script
-
-with --enable-javascript option. To use JS engine from Charlie
-
-installation, type: ./configure --enable-javascript --enable-perlconnect
-
-
-
-If you have installed JS libraries into non-standard directories, you
-
-need to set (and export) CPLUS_INCLUDE_PATH/LIBRARY_PATH to point to
-
-directories where the header files/lib files (e.g. libjs.so) can be found.
-
-
-
-The default name for the linked library is 'js' (-ljs switch) - if you
-
-need to override this value, you may set SABLOT_JSLIB environment
-
-variable - the configure script uses -l$(SABLOT_JSLIB) in this case.
-
-
-
-
-
-2. What is working
-
-----------------------------------------
-
-
-
-Sablotron supports JavaScript (ECMA) scripting as described in XSTL WD
-
-1.1. with few exceptions:
-
-
-
-- DOM functions handling namespaces (with NS in their name) are not
-
- supported (throw NOT_SUPPORTED exception)
-
-
-
-- DOM model is read only (as supported, may be changed later)
-
-
-
-- XSLTContext.stringValue is not supported
-
-
-
-- Document.getElementsByTagName{NS} are not supported
-
-
-
-- Element.getElementsByTagName{NS} are not supported
-
-
-
-- DTD definition nodes are not supported
-
-
-
-
-
-The following summarizes what IS supported:
-
-
-
-- exslt:script element support
-
-
-
-- XSLTContext object
-
-
-
-- DOM2 acces to a processed document
-
-
-
-- type mapping between XPath and JavaScript including the XSLT
-
- external object support
-
-
-
-- function-available() function
-
-
-
-- element-available() function
-
-
-
-
-
-3. Sample stylesheet
-
-----------------------------------------
-
-
-
-<?xml version='1.0'?>
-
-<xsl:stylesheet version='1.0'
-
- xmlns:xsl='http://www.w3.org/1999/XSL/Transform'
-
- xmlns:exslt='http://www.exslt.org/functions'
-
- xmlns:my='http://gingerall.org/sablot/myfunc'
-
- extension-element-prefixes='exslt'
-
- exclude-result-prefixes='my'>
-
-
-
- <xsl:output method='xml' indent='yes'/>
-
-
-
- <exslt:script language='javascript' implements-prefix='my'>
-
- <![CDATA[
-
-
-
- function getNodeNames(nodeList)
-
- {
-
- ret = '';
-
- for (i = 0; i < nodeList.length; i++)
-
- {
-
- ret += nodeList[i].nodeName + " ";
-
- }
-
- return ret;
-
- }
-
-
-
- ]]>
-
- </exslt:script>
-
-
-
-
-
- <xsl:template match='/'>
-
- <output>
-
- <xsl:value-of select='my:getNodeNames(*)'/>
-
- </output>
-
- </xsl:template>
-
-
-
-</xsl:stylesheet>
-