52 lines
1.4 KiB
PHP
52 lines
1.4 KiB
PHP
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<?php
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require_once(HTML2PS_DIR.'inline.content.builder.php');
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class InlineContentBuilderNormal extends InlineContentBuilder {
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function InlineContentBuilderNormal() {
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$this->InlineContentBuilder();
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}
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/**
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* CSS 2.1 p.16.6
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* white-space: normal
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* This value directs user agents to collapse sequences of whitespace, and break lines as necessary to fill line boxes.
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*/
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function build(&$box, $text, &$pipeline) {
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$text = $this->remove_leading_linefeeds($text);
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$text = $this->remove_trailing_linefeeds($text);
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$content = $this->collapse_whitespace($text);
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// Whitespace-only text nodes sill result on only one whitespace box
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if (trim($content) === '') {
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$whitespace =& WhitespaceBox::create($pipeline);
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$box->add_child($whitespace);
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return;
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}
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// Add leading whispace box, if content stars with a space
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if (preg_match('/ /u',substr($content,0,1))) {
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$whitespace =& WhitespaceBox::create($pipeline);
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$box->add_child($whitespace);
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}
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$words = $this->break_into_words($content);
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$size = count($words);
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$pos = 0;
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$last_whitespace = substr(strlen($content)-1, 1);
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foreach ($words as $word) {
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$box->process_word($word, $pipeline);
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$pos++;
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$is_last_word = ($pos == $size);
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if (!$is_last_word || $last_whitespace) {
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$whitespace =& WhitespaceBox::create($pipeline);
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$box->add_child($whitespace);
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};
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};
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}
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}
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?>
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