Xml.php

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<?php
 
class HTMLPurifier_ConfigSchema_Builder_Xml extends XMLWriter
{
 
    protected $interchange;
 
    private $namespace;
 
    protected function writeHTMLDiv($html)
    {
        $this->startElement('div');
 
        $purifier = HTMLPurifier::getInstance();
        $html = $purifier->purify($html);
        $this->writeAttribute('xmlns', 'http://www.w3.org/1999/xhtml');
        $this->writeRaw($html);
 
        $this->endElement(); // div
    }
 
    protected function export($var)
    {
        if ($var === array()) {
            return 'array()';
        }
        return var_export($var, true);
    }
 
    public function build($interchange)
    {
        // global access, only use as last resort
        $this->interchange = $interchange;
 
        $this->setIndent(true);
        $this->startDocument('1.0', 'UTF-8');
        $this->startElement('configdoc');
        $this->writeElement('title', $interchange->name);
 
        foreach ($interchange->directives as $directive) {
            $this->buildDirective($directive);
        }
 
        if ($this->namespace) {
            $this->endElement();
        } // namespace
 
        $this->endElement(); // configdoc
        $this->flush();
    }
 
    public function buildDirective($directive)
    {
        // Kludge, although I suppose having a notion of a "root namespace"
        // certainly makes things look nicer when documentation is built.
        // Depends on things being sorted.
        if (!$this->namespace || $this->namespace !== $directive->id->getRootNamespace()) {
            if ($this->namespace) {
                $this->endElement();
            } // namespace
            $this->namespace = $directive->id->getRootNamespace();
            $this->startElement('namespace');
            $this->writeAttribute('id', $this->namespace);
            $this->writeElement('name', $this->namespace);
        }
 
        $this->startElement('directive');
        $this->writeAttribute('id', $directive->id->toString());
 
        $this->writeElement('name', $directive->id->getDirective());
 
        $this->startElement('aliases');
        foreach ($directive->aliases as $alias) {
            $this->writeElement('alias', $alias->toString());
        }
        $this->endElement(); // aliases
 
        $this->startElement('constraints');
        if ($directive->version) {
            $this->writeElement('version', $directive->version);
        }
        $this->startElement('type');
        if ($directive->typeAllowsNull) {
            $this->writeAttribute('allow-null', 'yes');
        }
        $this->text($directive->type);
        $this->endElement(); // type
        if ($directive->allowed) {
            $this->startElement('allowed');
            foreach ($directive->allowed as $value => $x) {
                $this->writeElement('value', $value);
            }
            $this->endElement(); // allowed
        }
        $this->writeElement('default', $this->export($directive->default));
        $this->writeAttribute('xml:space', 'preserve');
        if ($directive->external) {
            $this->startElement('external');
            foreach ($directive->external as $project) {
                $this->writeElement('project', $project);
            }
            $this->endElement();
        }
        $this->endElement(); // constraints
 
        if ($directive->deprecatedVersion) {
            $this->startElement('deprecated');
            $this->writeElement('version', $directive->deprecatedVersion);
            $this->writeElement('use', $directive->deprecatedUse->toString());
            $this->endElement(); // deprecated
        }
 
        $this->startElement('description');
        $this->writeHTMLDiv($directive->description);
        $this->endElement(); // description
 
        $this->endElement(); // directive
    }
}
 
// vim: et sw=4 sts=4