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Code Issues Releases Wiki Activity

Add support for closing tag hints in WireMarkupRegions. These increase speed/efficiency for large documents.

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This commit is contained in:
Ryan Cramer
2017-07-28 13:49:49 -04:00
parent 4a3f09d34c
commit 629220ffc8
1 changed files with 34 additions and 1 deletions
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35
wire/core/WireMarkupRegions.php
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@@ -516,6 +516,12 @@ class WireMarkupRegions extends Wire {
$verboseRegion['details'] = 'Only 1 possible closing tag: ' . $tagInfo['close'];
}
} else if($tagInfo['pwid'] && false !== ($pos = strpos($region, "$tagInfo[close]<!--#$tagInfo[pwid]-->"))) {
// close tag indicates what it closes, i.e. “</div><!--#content-->”
$region = substr($region, 0, $pos);
$tagInfo['close'] = "$tagInfo[close]<!--#$tagInfo[pwid]-->";
if($verbose) $verboseRegion['details'] = "Fast match with HTML comment hint";
} else {
// multiple close tags present, must figure out which is the right one
$testStart = 0;
@@ -523,9 +529,15 @@ class WireMarkupRegions extends Wire {
$maxDoCnt = 100000;
$openTag1 = "<$tagInfo[name]>";
$openTag2 = "<$tagInfo[name] ";
$fail = false;
do {
$doCnt++;
$testPos = stripos($region, $tagInfo['close'], $testStart);
if($testPos === false) {
$fail = true;
break;
}
$test = substr($region, 0, $testPos);
$openCnt = substr_count($test, $openTag1) + substr_count($test, $openTag2);
$closeCnt = substr_count($test, $tagInfo['close']);
@@ -539,7 +551,14 @@ class WireMarkupRegions extends Wire {
}
} while($doCnt < $maxDoCnt && $testStart < strlen($region));
if($doCnt >= $maxDoCnt) {
if($fail) {
if($verbose) {
$verboseRegion['error'] = true;
$verboseRegion['details'] = "Failed to find closing tag $tagInfo[close] after $doCnt iterations";
} else {
$region = 'error';
}
} else if($doCnt >= $maxDoCnt) {
if($verbose) {
$verboseRegion['error'] = true;
$verboseRegion['details'] = "Failed region match after $doCnt tests for <$tagInfo[name]> tag(s)";
@@ -794,6 +813,15 @@ class WireMarkupRegions extends Wire {
$open = strpos($tag, '<') === 0 ? $tag : "<$tag";
$close = $tag == '<!--' ? '-->' : '</' . trim($tag, '<>') . '>';
// keep comments that start with <!--#
if($tag == "<!--" && strpos($markup, "<!--#") !== false) {
$hasHints = true;
$markup = str_replace("<!--#", "<!~~#", $markup);
$markup = preg_replace('/<!--#([-_.a-zA-Z0-9]+)-->/', '<!~~$1~~>', $markup);
} else {
$hasHints = false;
}
do {
$pos = stripos($markup, $open, $startPos);
@@ -811,6 +839,11 @@ class WireMarkupRegions extends Wire {
if($getRegions) return $regions;
if(count($regions)) $markup = str_replace($regions, '', $markup);
if($hasHints) {
// keep comments that start with <!--#
$markup = str_replace(array("<!~~#", "~~>"), array("<!--#", "-->"), $markup);
}
return $markup;
}