protected function outputTag(Tag $tag)
{
$this->isRich = \true;
$tagName = $tag->getName();
$tagPos = $tag->getPos();
$tagLen = $tag->getLen();
$tagFlags = $tag->getFlags();
if ($tagFlags & self::RULE_IGNORE_WHITESPACE) {
$skipBefore = 1;
$skipAfter = $tag->isEndTag() ? 2 : 1;
} else {
$skipBefore = $skipAfter = 0;
}
$closeParagraph = \false;
if ($tag->isStartTag()) {
if ($tagFlags & self::RULE_BREAK_PARAGRAPH) {
$closeParagraph = \true;
}
} else {
$closeParagraph = \true;
}
$this->outputText($tagPos, $skipBefore, $closeParagraph);
$tagText = $tagLen ? \htmlspecialchars(\substr($this->text, $tagPos, $tagLen), \ENT_NOQUOTES, 'UTF-8') : '';
if ($tag->isStartTag()) {
if (!($tagFlags & self::RULE_BREAK_PARAGRAPH)) {
$this->outputParagraphStart($tagPos);
}
$colonPos = \strpos($tagName, ':');
if ($colonPos) {
$this->namespaces[\substr($tagName, 0, $colonPos)] = 0;
}
$this->output .= '<' . $tagName;
$attributes = $tag->getAttributes();
\ksort($attributes);
foreach ($attributes as $attrName => $attrValue) {
$this->output .= ' ' . $attrName . '="' . \str_replace("\n", ' ', \htmlspecialchars($attrValue, \ENT_COMPAT, 'UTF-8')) . '"';
}
if ($tag->isSelfClosingTag()) {
if ($tagLen) {
$this->output .= '>' . $tagText . '</' . $tagName . '>';
} else {
$this->output .= '/>';
}
} elseif ($tagLen) {
$this->output .= '><s>' . $tagText . '</s>';
} else {
$this->output .= '>';
}
} else {
if ($tagLen) {
$this->output .= '<e>' . $tagText . '</e>';
}
$this->output .= '</' . $tagName . '>';
}
$this->pos = $tagPos + $tagLen;
$this->wsPos = $this->pos;
while ($skipAfter && $this->wsPos < $this->textLen && $this->text[$this->wsPos] === "\n") {
--$skipAfter;
++$this->wsPos;
}
}
/**
* @testdox isEndTag() returns true if the tag's type is Tag::SELF_CLOSING_TAG
*/
public function testIsEndTagSelfClosing()
{
$tag = new Tag(Tag::SELF_CLOSING_TAG, 'X', 12, 34);
$this->assertTrue($tag->isEndTag());
}
/**
* Append a tag to the output
*
* @param Tag $tag Tag to append
* @return void
*/
protected function outputTag(Tag $tag)
{
$this->isRich = true;
$tagName = $tag->getName();
$tagPos = $tag->getPos();
$tagLen = $tag->getLen();
$tagFlags = $tag->getFlags();
if ($tagFlags & self::RULE_IGNORE_WHITESPACE) {
$skipBefore = 1;
$skipAfter = $tag->isEndTag() ? 2 : 1;
} else {
$skipBefore = $skipAfter = 0;
}
// Current paragraph must end before the tag if:
// - the tag is a start (or self-closing) tag and it breaks paragraphs, or
// - the tag is an end tag (but not self-closing)
$closeParagraph = false;
if ($tag->isStartTag()) {
if ($tagFlags & self::RULE_BREAK_PARAGRAPH) {
$closeParagraph = true;
}
} else {
$closeParagraph = true;
}
// Let the cursor catch up with this tag's position
$this->outputText($tagPos, $skipBefore, $closeParagraph);
// Capture the text consumed by the tag
$tagText = $tagLen ? htmlspecialchars(substr($this->text, $tagPos, $tagLen), ENT_NOQUOTES, 'UTF-8') : '';
// Output current tag
if ($tag->isStartTag()) {
// Handle paragraphs before opening the tag
if (!($tagFlags & self::RULE_BREAK_PARAGRAPH)) {
$this->outputParagraphStart($tagPos);
}
// Record this tag's namespace, if applicable
$colonPos = strpos($tagName, ':');
if ($colonPos) {
$this->namespaces[substr($tagName, 0, $colonPos)] = 0;
}
// Open the start tag and add its attributes, but don't close the tag
$this->output .= '<' . $tagName;
// We output the attributes in lexical order. Helps canonicalizing the output and could
// prove useful someday
$attributes = $tag->getAttributes();
ksort($attributes);
foreach ($attributes as $attrName => $attrValue) {
$this->output .= ' ' . $attrName . '="' . htmlspecialchars($attrValue, ENT_COMPAT, 'UTF-8') . '"';
}
if ($tag->isSelfClosingTag()) {
if ($tagLen) {
$this->output .= '>' . $tagText . '</' . $tagName . '>';
} else {
$this->output .= '/>';
}
} elseif ($tagLen) {
$this->output .= '><s>' . $tagText . '</s>';
} else {
$this->output .= '>';
}
} else {
if ($tagLen) {
$this->output .= '<e>' . $tagText . '</e>';
}
$this->output .= '</' . $tagName . '>';
}
// Move the cursor past the tag
$this->pos = $tagPos + $tagLen;
// Skip newlines (no other whitespace) after this tag
$this->wsPos = $this->pos;
while ($skipAfter && $this->wsPos < $this->textLen && $this->text[$this->wsPos] === "\n") {
// Decrement the number of lines to skip
--$skipAfter;
// Move the cursor past the newline
++$this->wsPos;
}
}
