Location: PHPKode > projects > JibberBook - Free PHP Guestbook script > jibberbook-2.3/libraries/htmlpurifier/standalone/HTMLPurifier/ConfigSchema/Builder/Xml.php
<?php

/**
 * Converts HTMLPurifier_ConfigSchema_Interchange to an XML format,
 * which can be further processed to generate documentation.
 */
class HTMLPurifier_ConfigSchema_Builder_Xml extends XMLWriter
{

    protected $interchange;

    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->namespaces as $namespace) {
            $this->buildNamespace($namespace);
        }

        $this->endElement(); // configdoc
        $this->flush();
    }

    public function buildNamespace($namespace) {
        $this->startElement('namespace');
        $this->writeAttribute('id', $namespace->namespace);

        $this->writeElement('name', $namespace->namespace);
        $this->startElement('description');
            $this->writeHTMLDiv($namespace->description);
        $this->endElement(); // description

        foreach ($this->interchange->directives as $directive) {
            if ($directive->id->namespace !== $namespace->namespace) continue;
            $this->buildDirective($directive);
        }

        $this->endElement(); // namespace
    }

    public function buildDirective($directive) {
        $this->startElement('directive');
        $this->writeAttribute('id', $directive->id->toString());

        $this->writeElement('name', $directive->id->directive);

        $this->startElement('aliases');
            foreach ($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
    }

}

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