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<?php

/**

* Converts HTMLPurifier_ConfigSchema_Interchange to an XML format,

* which can be further processed to generate documentation.

class HTMLPurifier_ConfigSchema_Builder_Xml extends XMLWriter

{

/**

* @type HTMLPurifier_ConfigSchema_Interchange

protected $interchange;

/**

* @type string

private $namespace;

/**

* @param string $html

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

}

/**

* @param mixed $var

* @return string

protected function export($var)

{

if ($var === array()) {

return 'array()';

}

return var_export($var, true);

}

/**

* @param HTMLPurifier_ConfigSchema_Interchange $interchange

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();

}

/**

* @param HTMLPurifier_ConfigSchema_Interchange_Directive $directive

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

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