protected function typesetLine(Line $line)
{
$this->startLine();
foreach ($line->getLineParts() as $linePart) {
if ($linePart->hasChord()) {
$this->typesetChord($linePart->getChord());
}
$this->typesetLyrics($linePart->getLyrics());
}
$this->endLine();
}
protected function splitToLines($rawBlock)
{
$rawLines = preg_split("/\n/", $rawBlock['rawLines']);
$lines = array();
foreach ($rawLines as $rawLine) {
$line = new Line();
# get lyrics up till first chord
preg_match('%
(?: # (do not capture)
(.*?) # $1 capture all ...
(?= # ... up till ...
(?: # (do not capture)
\\+?\\{ # chord begin
[^\\} \\s]+ # ... first chord ...
\\}\\+? # chord end
)
|$ # ... or end
)
)
%xs', $rawLine, $part1);
if ($lyrics = $part1[1]) {
$line->addLinePart(new LinePart($lyrics));
}
# get chord and lyrics till next chord
$countMatches = preg_match_all('%
(?: # do not capture
(\\+?) # $1 optional left margin, + before {
\\{ # chord begins
([^\\} \\s]+) # $2 chord (no whitespace)
\\} # chord ends
(\\+?) # $3 optional right margin, + after }
(.*?) # $4 all up till ...
(?=\\+?\\{|$) # ... next chord or end
)
%xs', $rawLine, $parts, PREG_SET_ORDER);
foreach ($parts as $part) {
$lyrics = $part[4];
# each $part contains a chord in the beginning
$leftMargin = $part[1] === '' ? false : true;
$rightMargin = $part[3] === '' ? false : true;
$bound = false;
if (substr($lyrics, 0, 1) !== ' ' && $rightMargin === false) {
$bound = true;
}
$chord = new Chord($part[2], $bound, $leftMargin, $rightMargin);
$line->addLinePart(new LinePart($lyrics, $chord));
}
$lines[] = $line;
}
return $lines;
}
