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Support1. The Problem There is no standard way of translating an XML document into its JSON equivalent. An acceptable translation scheme should be lossless (i.e., not lose any of the XML specific information). Also a translation scheme should ensure that if the JSON document is converted back into XML that important XML aspects of the […]
Recent Unique Product Features
Rule Throttling
This article describes an advanced feature of P6R’s rule engine. (See our XJR SDK.) An introduction to that rule engine can be found at An XPath Enabled Rule Engine. The current article addresses the issue “how effective are my rules”? Rule Execution Statistics Passing the ‘P6RULE_KEEPSTATS’ flag into the p6IRuleEngine::initialize() method enables a powerful run-time […]
<xsl:output method=’json’/>
Other articles on this site have described the JSON support we have added to our XSLT 2.0 and XPath 2.0 products (see A SAX-like Parser for JSON, XSLT and XPath for JSON, and our XJR SDK.). In this article, we describe two additional extensions to our XSLT 2.0 and DOM parser products to support the […]
Compiled Rule Sets
Compile once and evaluate multiple times When a developer wishes to use the P6R rule engine (reference An XPath Enabled Rule Engine), he can simply create a single instance of the rule engine component, load it with a set of rules (defined in XML), load the stated facts (in XML or JSON), and generate inferred […]
Compiled Templates for XSLT 2.0
A problem of performance One common concern with the use of XSLT has been performance. The need to compile an XSLT template, with its embedded XPath expressions each time a Web page is to be displayed is wasteful. Part of P6R’s implementation of the XSLT 2.0 standard includes an extension that helps address this performance […]
A SAX-like Parser for JSON
Introduction P6R’s JSON parser provides a C++ implementation of the SAX2 like interface. (See our JSN Streaming JSON Parser Library, which is also included in our XJR SDK.) Our parser implementation is designed to be high performance and to directly support a streaming IO model. The parser can be invoked with the entire JSON document […]
An XPath Enabled Rule Engine
This document was updated on 11 April 2024. An excellent introduction to Rule Engines can be found at “Chapter1. The Rule Engine” . However, this description is a bit detailed. In general, a rule engine allows the user to define a set of conditional statements (such as “if x then y”), where when the condition […]
XSLT and XPath for JSON
Instead of developing separate software to provide XSLT and XPath functionality to documents encoded in JSON we decided to extend our existing XML suite of tools (i.e., XJR) to accommodate more than XML documents. Once we had this ability we took one more step and applied this capability to another XPath enabled software in our […]
