public function process(TextDocument $doc)
{
$i = 0;
$title = -1;
$contentStart = -1;
foreach ($doc->getTextBlocks() as $tb) {
if ($contentStart == -1 && $tb->hasLabel(TextLabels::TITLE)) {
$title = $i;
$contentStart = -1;
}
if ($contentStart == -1 && $tb->isContent()) {
$contentStart = $i;
}
$i++;
}
if ($contentStart <= $title || $title == -1) {
return false;
}
$changes = false;
foreach ($doc->getTextBlocks() as $key => $tb) {
if ($key < $title) {
continue;
}
if ($key > $contentStart) {
continue;
}
if ($tb->hasLabel(TextLabels::MIGHT_BE_CONTENT)) {
$changes = $tb->setIsContent(true) || $changes;
}
}
return $changes;
}
public function process(TextDocument $doc)
{
$changes = false;
$textBlocks = $doc->getTextBlocks();
foreach ($textBlocks as $tb) {
if (!$tb->isContent() && ($this->labelToKeep == null || !$tb->hasLabel($this->labelToKeep))) {
$doc->removeTextBlock($tb);
$changes = true;
}
}
return $changes;
}
public function process(TextDocument $doc)
{
$textBlocks = $doc->getTextBlocks();
if (count($textBlocks) < 2) {
return false;
}
$changes = false;
$offset = 0;
if ($this->contentOnly) {
$prevBlock = null;
foreach ($textBlocks as $tb) {
$offset++;
if ($tb->isContent()) {
$prevBlock = $tb;
break;
}
}
} else {
$prevBlock = $textBlocks[0];
$offset = 1;
}
for ($i = $offset, $l = count($textBlocks); $i < $l; $i++) {
$tb = $textBlocks[$i];
if (!$tb->isContent()) {
continue;
}
$diffBlocks = $tb->getStartOffset() - $prevBlock->getEndOffset() - 1;
if ($diffBlocks <= $this->maxBlocksDistance) {
$ok = true;
if ($this->contentOnly) {
if (!$prevBlock->isContent() || !$tb->isContent()) {
$ok = false;
}
}
if ($ok && $this->sameTagLevelOnly && $prevBlock->getLevel() != $tb->getLevel()) {
$ok = false;
}
if ($ok) {
$prevBlock->mergeNext($tb);
$doc->removeTextBlock($tb);
$changes = true;
} else {
$prevBlock = $tb;
}
} else {
$prevBlock = $tb;
}
}
return $changes;
}
public function process(TextDocument $doc)
{
$changes = false;
$level = PHP_INT_MAX;
foreach ($doc->getTextBlocks() as $tb) {
if ($tb->isContent() && $tb->hasLabel(TextLabels::VERY_LIKELY_CONTENT)) {
$level = $tb->getLevel();
} else {
if ($tb->getLevel() > $level && $tb->hasLabel(TextLabels::MIGHT_BE_CONTENT) && $tb->hasLabel(TextLabels::LI) && $tb->getLinkDensity() == 0) {
$tb->setIsContent(true);
$changes = true;
} else {
$level = PHP_INT_MAX;
}
}
}
return $changes;
}
public function process(TextDocument $doc)
{
$change = false;
$wordCount = 0;
$foundEndOfText = false;
foreach ($doc->getTextBlocks() as $tb) {
$endOfText = $tb->hasLabel(TextLabels::INDICATES_END_OF_TEXT);
if ($tb->isContent()) {
$wordCount += $this->getFullTextWordCount($tb);
}
if ($endOfText && $wordCount >= $this->minWordCount) {
$foundEndOfText = true;
}
if ($foundEndOfText) {
$change = true;
$tb->setIsContent(false);
}
}
return $change;
}
public function process(TextDocument $doc)
{
$change = false;
/**
* @var TextBlock[] $textBlocks
*/
$textBlocks = $doc->getTextBlocks();
$textBlocks = array_reverse($textBlocks);
foreach ($textBlocks as $tb) {
if ($tb->isContent()) {
if ($tb->hasLabel(TextLabels::HEADING)) {
$tb->setIsContent(false);
$change = true;
} else {
break;
}
}
}
return $change;
}
public function process(TextDocument $doc)
{
$curr = new TextBlock();
$next = new TextBlock();
$change = false;
foreach ($doc->getTextBlocks() as $tb) {
$prev = $curr;
$curr = $next;
$next = $tb;
$change = $this->classify($prev, $curr, $next) || $change;
}
$prev = $curr;
$curr = $next;
$next = new TextBlock();
$change = $this->classify($prev, $curr, $next) || $change;
$prev = $curr;
$curr = $next;
$next = new TextBlock();
$change = $this->classify($prev, $curr, $next) || $change;
return $change;
}
public function process(TextDocument $doc)
{
$changes = false;
$level = -1;
foreach ($doc->getTextBlocks() as $tb) {
if ($tb->isContent() && $tb->hasLabel(TextLabels::MIGHT_BE_CONTENT)) {
$level = $tb->getLevel();
break;
}
}
if ($level == -1) {
return false;
}
foreach ($doc->getTextBlocks() as $tb) {
if (!$tb->isContent()) {
if ($tb->getWordCount() >= 100 && $tb->getLevel() == $level) {
$tb->setIsContent(true);
$changes = true;
}
}
}
return $changes;
}
public function process(TextDocument $doc)
{
$change = false;
foreach ($doc->getTextBlocks() as $tb) {
$result = false;
$wordCount = $tb->getWordCount();
if ($wordCount < 15) {
$text = strtolower(trim($tb->getText()));
$length = mb_strlen($text);
if ($length > 7) {
$result = "thanks for your comments - this feedback is now closed" === $text || $this->startWith($text, "comments") || $this->startWith($text, "© reuters") || $this->startWith($text, "please rate this") || $this->startWith($text, "post a comment") || $this->startWithNumber($text, [" comments", " users responded in"]) || $this->contains($text, "what you think...") || $this->contains($text, "add your comment") || $this->contains($text, "add comment") || $this->contains($text, "reader views") || $this->contains($text, "have your say") || $this->contains($text, "reader comments") || $this->contains($text, "rätta artikeln");
} else {
if (1 == $tb->getLinkDensity()) {
$result = "comment" == $text;
}
}
}
if ($result) {
$tb->addLabel(TextLabels::INDICATES_END_OF_TEXT);
}
$change = $change || $result;
}
return $change;
}
public function process(TextDocument $doc)
{
$title = $this->clear($doc->getTitle());
$potentialTitles = $this->getPotentialTitles($title);
if (!$potentialTitles) {
return false;
}
$change = false;
foreach ($doc->getTextBlocks() as $tb) {
$text = $this->clear($tb->getText());
if (isset($potentialTitles[$text])) {
$tb->addLabel(TextLabels::TITLE);
$change = true;
break;
}
$text = trim(preg_replace('/[\\?\\!\\.\\-\\:]+/', '', $text));
if (isset($potentialTitles[$text])) {
$tb->addLabel(TextLabels::TITLE);
$change = true;
break;
}
}
return $change;
}
public function process(TextDocument $doc)
{
$blocks = $doc->getTextBlocks();
if (count($blocks) < 2) {
return false;
}
$maxNumWords = -1;
$largestBlock = null;
$level = -1;
$i = 0;
$n = -1;
foreach ($doc->getTextBlocks() as $tb) {
$wc = $tb->getWordCount();
if ($wc > $maxNumWords) {
$largestBlock = $tb;
$maxNumWords = $wc;
$n = $i;
if ($this->expandToSameLevelText) {
$level = $tb->getLevel();
}
}
$i++;
}
foreach ($doc->getTextBlocks() as $tb) {
if ($tb == $largestBlock) {
$tb->setIsContent(true);
$tb->addLabel(TextLabels::VERY_LIKELY_CONTENT);
} else {
$tb->setIsContent(false);
$tb->addLabel(TextLabels::MIGHT_BE_CONTENT);
}
}
if ($this->expandToSameLevelText && $n != -1) {
for ($i = $n; $i >= 0; $i--) {
$tb = $blocks[$i];
$tl = $tb->getLevel();
if ($tl < $level) {
break;
} else {
if ($tl == $level) {
if ($tb->getWordCount() >= $this->minWords) {
$tb->setIsContent(true);
}
}
}
}
for ($i = $n, $l = count($blocks); $i < $l; $i++) {
$tb = $blocks[$i];
$tl = $tb->getLevel();
if ($tl < $level) {
break;
} else {
if ($tl == $level) {
if ($tb->getWordCount() >= $this->minWords) {
$tb->setIsContent(true);
}
}
}
}
}
return true;
}