usage:
$anchor = (new HtmlElement('a'))->href($link)->setText('Texy');
$el->class = 'myclass';
echo $el->startTag(), $el->endTag();
/**
* Finish invocation.
* @return Texy\HtmlElement|FALSE
*/
public function solve(Texy\HandlerInvocation $invocation, $content, Texy\Modifier $mod = NULL)
{
$texy = $this->texy;
// find hard linebreaks
if ($texy->mergeLines) {
// ....
// ... => \r means break line
$content = Regexp::replace($content, '#\\n +(?=\\S)#', "\r");
} else {
$content = Regexp::replace($content, '#\\n#', "\r");
}
$el = new Texy\HtmlElement('p');
$el->parseLine($texy, $content);
$content = $el->getText();
// string
// check content type
// block contains block tag
if (strpos($content, $texy::CONTENT_BLOCK) !== FALSE) {
$el->setName(NULL);
// ignores modifier!
// block contains text (protected)
} elseif (strpos($content, $texy::CONTENT_TEXTUAL) !== FALSE) {
// leave element p
// block contains text
} elseif (preg_match('#[^\\s' . Texy\Patterns::MARK . ']#u', $content)) {
// leave element p
// block contains only replaced element
} elseif (strpos($content, $texy::CONTENT_REPLACED) !== FALSE) {
$el->setName($texy->nontextParagraph);
// block contains only markup tags or spaces or nothing
} else {
// if {ignoreEmptyStuff} return FALSE;
if (!$mod) {
$el->setName(NULL);
}
}
if ($el->getName()) {
// apply modifier
if ($mod) {
$mod->decorate($texy, $el);
}
// add <br />
if (strpos($content, "\r") !== FALSE) {
$key = $texy->protect('<br />', $texy::CONTENT_REPLACED);
$content = str_replace("\r", $key, $content);
}
}
$content = strtr($content, "\r\n", ' ');
$el->setText($content);
return $el;
}
/**
* Callback for:.
*
* 1) .... .(title)[class]{style}>
* 2) ....
* + ...
* + ...
* 3) ....
*
* @return HtmlElement|FALSE
*/
public function patternList(BlockParser $parser, array $matches)
{
list(, $mMod, $mBullet) = $matches;
// [1] => .(title)[class]{style}<>
// [2] => bullet * + - 1) a) A) IV)
$el = new HtmlElement();
$bullet = $min = NULL;
foreach ($this->bullets as $type => $desc) {
if (preg_match('#' . $desc[0] . '#Au', $mBullet)) {
$bullet = isset($desc[3]) ? $desc[3] : $desc[0];
$min = isset($desc[3]) ? 2 : 1;
$el->setName($desc[1] ? 'ol' : 'ul');
$el->attrs['style']['list-style-type'] = $desc[2];
if ($desc[1]) {
// ol
if ($type[0] === '1' && (int) $mBullet > 1) {
$el->attrs['start'] = (int) $mBullet;
} elseif ($type[0] === 'a' && $mBullet[0] > 'a') {
$el->attrs['start'] = ord($mBullet[0]) - 96;
} elseif ($type[0] === 'A' && $mBullet[0] > 'A') {
$el->attrs['start'] = ord($mBullet[0]) - 64;
}
}
break;
}
}
$mod = new Modifier($mMod);
$mod->decorate($this->texy, $el);
$parser->moveBackward(1);
while ($elItem = $this->patternItem($parser, $bullet, FALSE, 'li')) {
$el->add($elItem);
}
if ($el->count() < $min) {
return FALSE;
}
// event listener
$this->texy->invokeHandlers('afterList', [$parser, $el, $mod]);
return $el;
}
/**
* Callback for: [ref].
* @return Texy\HtmlElement|string|FALSE
*/
public function patternReference(LineParser $parser, array $matches)
{
list(, $mRef) = $matches;
// [1] => [ref]
$texy = $this->texy;
$name = substr($mRef, 1, -1);
$link = $this->getReference($name);
if (!$link) {
return $texy->invokeAroundHandlers('newReference', $parser, [$name]);
}
$link->type = $link::BRACKET;
if ($link->label != '') {
// NULL or ''
// prevent circular references
if (isset(self::$livelock[$link->name])) {
$content = $link->label;
} else {
self::$livelock[$link->name] = TRUE;
$el = new Texy\HtmlElement();
$lineParser = new LineParser($texy, $el);
$lineParser->parse($link->label);
$content = $el->toString($texy);
unset(self::$livelock[$link->name]);
}
} else {
$content = $this->textualUrl($link);
$content = $this->texy->protect($content, $texy::CONTENT_TEXTUAL);
}
return $texy->invokeAroundHandlers('linkReference', $parser, [$link, $content]);
}
/**
* Finish invocation.
* @return Texy\HtmlElement
*/
public function solve(Texy\HandlerInvocation $invocation, $phrase, $content, Modifier $mod, Texy\Link $link = NULL)
{
$texy = $this->texy;
$tag = isset($this->tags[$phrase]) ? $this->tags[$phrase] : NULL;
if ($tag === 'a') {
$tag = $link && $this->linksAllowed ? NULL : 'span';
}
if ($phrase === 'phrase/code') {
$content = $texy->protect(htmlspecialchars($content, ENT_NOQUOTES, 'UTF-8'), $texy::CONTENT_TEXTUAL);
}
if ($phrase === 'phrase/strong+em') {
$el = new Texy\HtmlElement($this->tags['phrase/strong']);
$el->create($this->tags['phrase/em'], $content);
$mod->decorate($texy, $el);
} elseif ($tag) {
$el = new Texy\HtmlElement($tag, $content);
$mod->decorate($texy, $el);
if ($tag === 'q') {
$el->attrs['cite'] = $mod->cite;
}
} else {
$el = $content;
// trick
}
if ($link && $this->linksAllowed) {
return $texy->linkModule->solve(NULL, $link, $el);
}
return $el;
}
/**
* Finish invocation.
* @return HtmlElement|string|FALSE
*/
public function solveTag(Texy\HandlerInvocation $invocation, HtmlElement $el, $isStart, $forceEmpty = NULL)
{
$texy = $this->texy;
// tag & attibutes
$allowedTags = $texy->allowedTags;
// speed-up
if (!$allowedTags) {
return FALSE;
// all tags are disabled
}
// convert case
$name = $el->getName();
$lower = strtolower($name);
if (isset($texy->dtd[$lower]) || $name === strtoupper($name)) {
// complete UPPER convert to lower
$name = $lower;
$el->setName($name);
}
if (is_array($allowedTags)) {
if (!isset($allowedTags[$name])) {
return FALSE;
}
$allowedAttrs = $allowedTags[$name];
// allowed attrs
} else {
// allowedTags === Texy\Texy::ALL
if ($forceEmpty) {
$el->setName($name, TRUE);
}
$allowedAttrs = $texy::ALL;
// all attrs are allowed
}
// end tag? we are finished
if (!$isStart) {
return $el;
}
$elAttrs =& $el->attrs;
// process attributes
if (!$allowedAttrs) {
$elAttrs = [];
} elseif (is_array($allowedAttrs)) {
// skip disabled
$allowedAttrs = array_flip($allowedAttrs);
foreach ($elAttrs as $key => $foo) {
if (!isset($allowedAttrs[$key])) {
unset($elAttrs[$key]);
}
}
}
// apply allowedClasses
$tmp = $texy->_classes;
// speed-up
if (isset($elAttrs['class'])) {
if (is_array($tmp)) {
$elAttrs['class'] = explode(' ', $elAttrs['class']);
foreach ($elAttrs['class'] as $key => $value) {
if (!isset($tmp[$value])) {
unset($elAttrs['class'][$key]);
// id & class are case-sensitive
}
}
} elseif ($tmp !== $texy::ALL) {
$elAttrs['class'] = NULL;
}
}
// apply allowedClasses for ID
if (isset($elAttrs['id'])) {
if (is_array($tmp)) {
if (!isset($tmp['#' . $elAttrs['id']])) {
$elAttrs['id'] = NULL;
}
} elseif ($tmp !== $texy::ALL) {
$elAttrs['id'] = NULL;
}
}
// apply allowedStyles
if (isset($elAttrs['style'])) {
$tmp = $texy->_styles;
// speed-up
if (is_array($tmp)) {
$styles = explode(';', $elAttrs['style']);
$elAttrs['style'] = NULL;
foreach ($styles as $value) {
$pair = explode(':', $value, 2);
$prop = trim($pair[0]);
if (isset($pair[1]) && isset($tmp[strtolower($prop)])) {
// CSS is case-insensitive
$elAttrs['style'][$prop] = $pair[1];
}
}
} elseif ($tmp !== $texy::ALL) {
$elAttrs['style'] = NULL;
}
}
foreach (['src', 'href', 'name', 'id'] as $attr) {
if (isset($elAttrs[$attr])) {
$elAttrs[$attr] = is_string($elAttrs[$attr]) ? trim($elAttrs[$attr]) : '';
if ($elAttrs[$attr] === '') {
unset($elAttrs[$attr]);
}
}
}
if ($name === 'img') {
if (!isset($elAttrs['src']) || !$texy->checkURL($elAttrs['src'], $texy::FILTER_IMAGE)) {
return FALSE;
}
$texy->summary['images'][] = $elAttrs['src'];
} elseif ($name === 'a') {
if (!isset($elAttrs['href']) && !isset($elAttrs['name']) && !isset($elAttrs['id'])) {
return FALSE;
}
if (isset($elAttrs['href'])) {
if ($texy->linkModule->forceNoFollow && strpos($elAttrs['href'], '//') !== FALSE) {
if (isset($elAttrs['rel'])) {
$elAttrs['rel'] = (array) $elAttrs['rel'];
}
$elAttrs['rel'][] = 'nofollow';
}
if (!$texy->checkURL($elAttrs['href'], $texy::FILTER_ANCHOR)) {
return FALSE;
}
$texy->summary['links'][] = $elAttrs['href'];
}
} elseif (preg_match('#^h[1-6]#i', $name)) {
$texy->headingModule->TOC[] = ['el' => $el, 'level' => (int) substr($name, 1), 'type' => 'html'];
}
$el->validateAttrs($texy->dtd);
return $el;
}
/**
* Finish invocation.
* @return HtmlElement|string|FALSE
*/
public function solve(Texy\HandlerInvocation $invocation, $blocktype, $s, $param, Texy\Modifier $mod)
{
$texy = $this->texy;
$parser = $invocation->getParser();
if ($blocktype === 'block/texy') {
$el = new HtmlElement();
$el->parseBlock($texy, $s, $parser->isIndented());
return $el;
}
if (empty($texy->allowed[$blocktype])) {
return FALSE;
}
if ($blocktype === 'block/texysource') {
$s = Helpers::outdent($s);
if ($s === '') {
return "\n";
}
$el = new HtmlElement();
if ($param === 'line') {
$el->parseLine($texy, $s);
} else {
$el->parseBlock($texy, $s);
}
$s = $el->toHtml($texy);
$blocktype = 'block/code';
$param = 'html';
// to be continue (as block/code)
}
if ($blocktype === 'block/code') {
$s = Helpers::outdent($s);
if ($s === '') {
return "\n";
}
$s = htmlspecialchars($s, ENT_NOQUOTES, 'UTF-8');
$s = $texy->protect($s, $texy::CONTENT_BLOCK);
$el = new HtmlElement('pre');
$mod->decorate($texy, $el);
$el->attrs['class'][] = $param;
// lang
$el->create('code', $s);
return $el;
}
if ($blocktype === 'block/default') {
$s = Helpers::outdent($s);
if ($s === '') {
return "\n";
}
$el = new HtmlElement('pre');
$mod->decorate($texy, $el);
$el->attrs['class'][] = $param;
// lang
$s = htmlspecialchars($s, ENT_NOQUOTES, 'UTF-8');
$s = $texy->protect($s, $texy::CONTENT_BLOCK);
$el->setText($s);
return $el;
}
if ($blocktype === 'block/pre') {
$s = Helpers::outdent($s);
if ($s === '') {
return "\n";
}
$el = new HtmlElement('pre');
$mod->decorate($texy, $el);
$lineParser = new Texy\LineParser($texy, $el);
// special mode - parse only html tags
$tmp = $lineParser->patterns;
$lineParser->patterns = [];
if (isset($tmp['html/tag'])) {
$lineParser->patterns['html/tag'] = $tmp['html/tag'];
}
if (isset($tmp['html/comment'])) {
$lineParser->patterns['html/comment'] = $tmp['html/comment'];
}
unset($tmp);
$lineParser->parse($s);
$s = $el->getText();
$s = html_entity_decode($s, ENT_QUOTES, 'UTF-8');
$s = htmlspecialchars($s, ENT_NOQUOTES, 'UTF-8');
$s = $texy->unprotect($s);
$s = $texy->protect($s, $texy::CONTENT_BLOCK);
$el->setText($s);
return $el;
}
if ($blocktype === 'block/html') {
$s = trim($s, "\n");
if ($s === '') {
return "\n";
}
$el = new HtmlElement();
$lineParser = new Texy\LineParser($texy, $el);
// special mode - parse only html tags
$tmp = $lineParser->patterns;
$lineParser->patterns = [];
if (isset($tmp['html/tag'])) {
$lineParser->patterns['html/tag'] = $tmp['html/tag'];
}
if (isset($tmp['html/comment'])) {
$lineParser->patterns['html/comment'] = $tmp['html/comment'];
}
unset($tmp);
$lineParser->parse($s);
$s = $el->getText();
$s = html_entity_decode($s, ENT_QUOTES, 'UTF-8');
$s = htmlspecialchars($s, ENT_NOQUOTES, 'UTF-8');
$s = $texy->unprotect($s);
return $texy->protect($s, $texy::CONTENT_BLOCK) . "\n";
}
if ($blocktype === 'block/text') {
$s = trim($s, "\n");
if ($s === '') {
return "\n";
}
$s = htmlspecialchars($s, ENT_NOQUOTES, 'UTF-8');
$s = str_replace("\n", (new HtmlElement('br'))->startTag(), $s);
// nl2br
return $texy->protect($s, $texy::CONTENT_BLOCK) . "\n";
}
if ($blocktype === 'block/comment') {
return "\n";
}
if ($blocktype === 'block/div') {
$s = Helpers::outdent($s, TRUE);
if ($s === '') {
return "\n";
}
$el = new HtmlElement('div');
$mod->decorate($texy, $el);
$el->parseBlock($texy, $s, $parser->isIndented());
// TODO: INDENT or NORMAL ?
return $el;
}
return FALSE;
}
/**
* Parse text in all cells.
* @return void
*/
private function finishPart(HtmlElement $elPart)
{
foreach ($elPart->getChildren() as $elRow) {
foreach ($elRow->getChildren() as $elCell) {
if ($elCell->colSpan > 1) {
$elCell->attrs['colspan'] = $elCell->colSpan;
}
if ($elCell->rowSpan > 1) {
$elCell->attrs['rowspan'] = $elCell->rowSpan;
}
$text = rtrim($elCell->text);
if (strpos($text, "\n") !== FALSE) {
// multiline parse as block
// HACK: disable tables
$this->disableTables = TRUE;
$elCell->parseBlock($this->texy, Texy\Helpers::outdent($text));
$this->disableTables = FALSE;
} else {
$elCell->parseLine($this->texy, ltrim($text));
}
if ($elCell->getText() === '') {
$elCell->setText(" ");
//
}
}
}
}
public function blockHandler($invocation, $blocktype, $content, $lang, $modifier)
{
if ($blocktype !== 'block/code') {
return $invocation->proceed();
//vstup se nebude zpracovavat
}
$highlighter = new \FSHL\Highlighter(new \FSHL\Output\Html(), \FSHL\Highlighter::OPTION_TAB_INDENT);
$texy = $invocation->getTexy();
$content = \Texy\Texy::outdent($content);
//Set correct lexer:
$lang = $lang ?: '';
switch (strtoupper($lang)) {
case 'C':
case 'CPP':
$lexer = new \FSHL\Lexer\Cpp();
break;
case 'CSS':
$lexer = new \FSHL\Lexer\Css();
break;
case 'HTML':
$lexer = new \FSHL\Lexer\Html();
break;
//HtmlOnly lexer
//HtmlOnly lexer
case 'JAVA':
$lexer = new \FSHL\Lexer\Java();
break;
case 'JS':
case 'JAVASCRIPT':
$lexer = new \FSHL\Lexer\Javascript();
break;
case 'NEON':
$lexer = new \FSHL\Lexer\Neon();
break;
case 'PHP':
$lexer = new \FSHL\Lexer\Php();
break;
case 'PYTHON':
$lexer = new \FSHL\Lexer\Python();
break;
case 'SQL':
$lexer = new \FSHL\Lexer\Sql();
break;
case 'TEX':
$lexer = new \App\Texy\Tex();
break;
case 'TEXY':
$lexer = new \FSHL\Lexer\Texy();
break;
default:
$lexer = new \FSHL\Lexer\Minimal();
}
$content = $highlighter->highlight($content, $lexer);
$content = $texy->protect($content, \Texy\Texy::CONTENT_BLOCK);
$elPre = \Texy\HtmlElement::el('pre');
if ($modifier) {
$modifier->decorate($texy, $elPre);
}
$elPre->attrs['class'] = strtolower($lang);
$elPre->create('code', $content);
return $elPre;
}