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Base.php
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Base.php
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<?php
/**
* @link https://github.com/CatoTH/html2opendocument
* @author Tobias Hößl <tobias@hoessl.eu>
* @license https://opensource.org/licenses/MIT
*/
namespace CatoTH\HTML2OpenDocument;
abstract class Base
{
const NS_OFFICE = 'urn:oasis:names:tc:opendocument:xmlns:office:1.0';
const NS_TEXT = 'urn:oasis:names:tc:opendocument:xmlns:text:1.0';
const NS_FO = 'urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0';
const NS_DRAW = 'urn:oasis:names:tc:opendocument:xmlns:drawing:1.0';
const NS_STYLE = 'urn:oasis:names:tc:opendocument:xmlns:style:1.0';
const NS_SVG = 'urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0';
const NS_TABLE = 'urn:oasis:names:tc:opendocument:xmlns:table:1.0';
const NS_CALCTEXT = 'urn:org:documentfoundation:names:experimental:calc:xmlns:calcext:1.0';
const NS_XLINK = 'http://www.w3.org/1999/xlink';
/** @var \DOMDocument|null */
protected $doc = null;
/** @var bool */
protected $DEBUG = false;
protected $trustHtml = false;
/** @var string */
protected $tmpPath = '/tmp/';
/** @var \ZipArchive */
private $zip;
/** @var @string */
private $tmpZipFile;
/** @var null|string */
protected $pageWidth = null;
protected $pageHeight = null;
protected $printOrientation = null;
protected $marginTop = null;
protected $marginLeft = null;
protected $marginRight = null;
protected $marginBottom = null;
/** @var string */
protected $colorIns = '#008800';
protected $colorDel = '#880000';
/**
* @throws \Exception
*/
public function __construct(string $templateFile, array $options = [])
{
$template = file_get_contents($templateFile);
if (isset($options['tmpPath']) && $options['tmpPath'] !== '') {
$this->tmpPath = $options['tmpPath'];
}
if (isset($options['trustHtml'])) {
$this->trustHtml = ($options['trustHtml'] === true);
}
if (isset($options['colorIns'])) {
$this->colorIns = $options['colorIns'];
}
if(!file_exists($this->tmpPath)){
mkdir($this->tmpPath);
}
$this->tmpZipFile = $this->tmpPath . uniqid('zip-');
file_put_contents($this->tmpZipFile, $template);
$this->zip = new \ZipArchive();
if ($this->zip->open($this->tmpZipFile) !== true) {
throw new \Exception("cannot open <$this->tmpZipFile>\n");
}
$content = $this->zip->getFromName('content.xml');
$this->doc = new \DOMDocument();
$this->doc->loadXML($content);
}
public function finishAndGetDocument(): string
{
$content = $this->create();
$this->zip->deleteName('content.xml');
$this->zip->addFromString('content.xml', $content);
$this->writePageStyles();
$this->zip->close();
$content = file_get_contents($this->tmpZipFile);
unlink($this->tmpZipFile);
return $content;
}
protected function writePageStyles(): void
{
$stylesStr = $this->zip->getFromName('styles.xml');
$styles = new \DOMDocument();
$styles->loadXML($stylesStr);
foreach ($styles->getElementsByTagNameNS(static::NS_STYLE, 'page-layout-properties') as $element) {
/** @var \DOMElement $element */
if ($this->pageWidth) {
$element->setAttribute('fo:page-width', $this->pageWidth);
}
if ($this->pageHeight) {
$element->setAttribute('fo:page-height', $this->pageHeight);
}
if ($this->printOrientation) {
$element->setAttribute('style:print-orientation', $this->printOrientation);
}
if ($this->marginTop) {
$element->setAttribute('fo:margin-top', $this->marginTop);
}
if ($this->marginLeft) {
$element->setAttribute('fo:margin-left', $this->marginLeft);
}
if ($this->marginRight) {
$element->setAttribute('fo:margin-right', $this->marginRight);
}
if ($this->marginBottom) {
$element->setAttribute('fo:margin-bottom', $this->marginBottom);
}
}
$xml = $styles->saveXML();
$rows = explode("\n", $xml);
$rows[0] .= "\n";
$stylesStr = implode('', $rows) . "\n";
$this->zip->deleteName('styles.xml');
$this->zip->addFromString('styles.xml', $stylesStr);
}
abstract function create(): string;
protected function purifyHTML(string $html, array $config): string
{
$configInstance = \HTMLPurifier_Config::create($config);
$configInstance->autoFinalize = false;
$purifier = \HTMLPurifier::instance($configInstance);
$purifier->config->set('Cache.SerializerPath', $this->tmpPath);
return $purifier->purify($html);
}
public function html2DOM(string $html): \DOMNode
{
if (!$this->trustHtml) {
$html = $this->purifyHTML(
$html,
[
'HTML.Doctype' => 'HTML 4.01 Transitional',
'HTML.Trusted' => true,
'CSS.Trusted' => true,
]
);
}
$src_doc = new \DOMDocument();
$src_doc->loadHTML('<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
</head><body>' . $html . "</body></html>");
$bodies = $src_doc->getElementsByTagName('body');
return $bodies->item(0);
}
public function setDebug(bool $debug): void
{
$this->DEBUG = $debug;
}
public function debugOutput(): void
{
$this->doc->preserveWhiteSpace = false;
$this->doc->formatOutput = true;
echo htmlentities($this->doc->saveXML(), ENT_COMPAT, 'UTF-8');
die();
}
/**
* @param string[] $attributes
*/
protected function appendStyleNode(string $styleName, string $family, string $element, array $attributes): void
{
$node = $this->doc->createElementNS(static::NS_STYLE, 'style');
$node->setAttribute('style:name', $styleName);
$node->setAttribute('style:family', $family);
$style = $this->doc->createElementNS(static::NS_STYLE, $element);
foreach ($attributes as $att_name => $att_val) {
$style->setAttribute($att_name, $att_val);
}
$node->appendChild($style);
foreach ($this->doc->getElementsByTagNameNS(static::NS_OFFICE, 'automatic-styles') as $element) {
/** @var \DOMElement $element */
$element->appendChild($node);
}
}
protected function appendTextStyleNode(string $styleName, array $attributes): void
{
$this->appendStyleNode($styleName, 'text', 'text-properties', $attributes);
}
protected function appendParagraphStyleNode(string $styleName, array $attributes): void
{
$this->appendStyleNode($styleName, 'paragraph', 'paragraph-properties', $attributes);
}
/**
* @param string $top (e.g. "20mm")
*/
public function setMargins(string $top, string $left, string $right, string $bottom): void
{
$this->marginBottom = $bottom;
$this->marginLeft = $left;
$this->marginRight = $right;
$this->marginTop = $top;
}
/**
* @param string $width (e.g. "297mm")
* @param string $height (e.g. "210mm")
* @param string $orientation (landscape or portrait)
*/
public function setPageOrientation(string $width, string $height, string $orientation): void
{
$this->pageHeight = $height;
$this->pageWidth = $width;
$this->printOrientation = $orientation;
}
}