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Optimizations

main
Dustin Wilson 3 years ago
parent
d0928d7c4d
commit
6ad430fb21
1 changed files with 90 additions and 149 deletions
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  1. 239
      lib/Scope/Parser.php

239
lib/Scope/Parser.php
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@ -23,15 +23,14 @@ class Parser {
public static function parse(string $selector): Matcher|false {
self::$instance = new self($selector);
self::$debugCount = 1;
$result = false;
$s1 = self::parseSpace();
if ($s1 !== false) {
$s2 = self::parseSelector();
if ($s2 !== false) {
$s3 = self::parseSpace();
$result = $s2;
}
self::parseSpace();
$s2 = self::parseSelector();
if ($s2 !== false) {
self::parseSpace();
$result = $s2;
}
if ($result === false && self::$instance->lastExceptionData !== []) {
@ -51,23 +50,16 @@ class Parser {
$s1 = self::parseExpression();
if ($s1 !== false) {
$s2 = self::parseSpace();
if ($s2 !== false) {
$s3 = self::$instance->data->consumeIf('|&-');
if ($s3 === '' || $s3 === false) {
$s3 = false;
self::fail('|&-');
}
if ($s3 !== false) {
$s4 = self::parseSpace();
if ($s4 !== false) {
$s5 = self::parseComposite();
if ($s5 !== false) {
$result = new CompositeMatcher($s1, $s3, $s5);
}
}
self::parseSpace();
$s3 = self::$instance->data->consumeIf('|&-');
if (in_array($s3, [ '|', '&', '-' ])) {
self::parseSpace();
$s5 = self::parseComposite();
if ($s5 !== false) {
$result = new CompositeMatcher($s1, $s3, $s5);
}
} else {
self::fail('|&-');
}
}
@ -91,22 +83,15 @@ class Parser {
$result = false;
$s1 = self::$instance->data->consumeIf('-');
if ($s1 === '' || $s1 === false) {
$s1 = false;
self::fail('-');
}
if ($s1 !== false) {
$s2 = self::parseSpace();
if ($s2 !== false) {
$s3 = self::parseGroup();
if ($s3 !== false) {
$s4 = self::parseSpace();
if ($s4 !== false) {
$result = new NegateMatcher($s3);
}
}
if ($s1 === '-') {
self::parseSpace();
$s3 = self::parseGroup();
if ($s3 !== false) {
self::parseSpace();
$result = new NegateMatcher($s3);
}
} else {
self::fail('-');
}
if ($result === false) {
@ -117,15 +102,11 @@ class Parser {
}
if ($s1 !== false) {
$s2 = self::parseSpace();
if ($s2 !== false) {
$s3 = self::parsePath();
if ($s3 !== false) {
$s4 = self::parseSpace();
if ($s4 !== false) {
$result = new NegateMatcher($s3);
}
}
self::parseSpace();
$s3 = self::parsePath();
if ($s3 !== false) {
self::parseSpace();
$result = new NegateMatcher($s3);
}
}
@ -160,41 +141,31 @@ class Parser {
if ($s2 !== false) {
$s3 = self::$instance->data->consumeIf(':');
if ($s3 === '' || $s3 === false) {
$s3 = false;
self::fail(':');
}
if ($s3 !== false) {
if ($s3 === ':') {
$prefix = "$s2$s3";
} else {
self::fail(':');
}
}
$s2 = self::$instance->data->consumeIf('(');
if ($s2 === '' || $s2 === false) {
$s2 = false;
self::fail('(');
}
if ($s2 === '(') {
self::parseSpace();
$s4 = self::parseSelector();
if ($s4 !== false) {
self::parseSpace();
$s6 = self::$instance->data->consumeIf(')');
if ($s6 === '' || $s6 === false) {
$s6 = false;
self::fail(')');
}
if ($s2 !== false) {
$s3 = self::parseSpace();
if ($s3 !== false) {
$s4 = self::parseSelector();
if ($s4 !== false) {
$s5 = self::parseSpace();
if ($s5 !== false) {
$s6 = self::$instance->data->consumeIf(')');
if ($s6 === '' || $s6 === false) {
$s6 = false;
self::fail(')');
}
if ($s6 !== false) {
$result = new GroupMatcher($prefix, $s4);
}
}
if ($s6 !== false) {
$result = new GroupMatcher($prefix, $s4);
}
}
} else {
self::fail('(');
}
if (self::$debug === true) {
@ -213,12 +184,7 @@ class Parser {
$prefix = null;
$s2 = self::$instance->data->consumeIf('LRB');
if ($s2 === '' || $s2 === false) {
$s2 = false;
self::fail('LRB');
}
if ($s2 !== false) {
if (in_array($s2, [ 'L', 'R', 'B' ])) {
$s3 = self::$instance->data->consumeIf(':');
if ($s3 === '' || $s3 === false) {
$s3 = false;
@ -228,6 +194,8 @@ class Parser {
if ($s3 !== false) {
$prefix = "$s2$s3";
}
} else {
self::fail('LRB');
}
$s2 = self::parseScope();
@ -236,12 +204,10 @@ class Parser {
do {
$s6 = false;
$s5 = self::parseSpace();
if ($s5 !== false) {
$s6 = self::parseScope();
if ($s6 !== false) {
$s3[] = $s6;
}
self::parseSpace();
$s6 = self::parseScope();
if ($s6 !== false) {
$s3[] = $s6;
}
} while ($s6 !== false);
@ -262,47 +228,36 @@ class Parser {
$result = false;
$s1 = self::parseSpace();
if ($s1 !== false) {
$s2 = self::$instance->data->consumeWhile('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+_');
if ($s2 === '' || $s2 === false) {
$s2 = false;
self::fail('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+_');
}
if ($s2 !== false) {
$s3 = self::$instance->data->consumeWhile('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+_');
if ($s3 === '' || $s2 === false) {
$s3 = false;
self::fail('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+_');
} else {
$s2 .= $s3;
}
}
self::parseSpace();
$s2 = self::$instance->data->consumeWhile('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+_');
if ($s2 === '' || $s2 === false) {
$s2 = false;
self::fail('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+_');
}
if ($s2 !== false) {
$s3 = self::parseSpace();
if ($s3 !== false) {
$result = new SegmentMatcher($s2);
}
if ($s2 !== false) {
$s3 = self::$instance->data->consumeWhile('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+_');
if ($s3 === '' || $s2 === false) {
$s3 = false;
self::fail('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-+_');
} else {
$s2 .= $s3;
}
}
if ($result === false) {
$s1 = self::parseSpace();
if ($s1 !== false) {
$s2 = self::$instance->data->consumeIf('*');
if ($s2 === '' || $s2 === false) {
$s2 = false;
self::fail('*');
}
if ($s2 !== false) {
self::parseSpace();
$result = new SegmentMatcher($s2);
}
if ($s2 !== false) {
$s3 = self::parseSpace();
if ($s3 !== false) {
$result = new TrueMatcher($s2);
}
}
}
if ($result === false) {
self::parseSpace();
$s2 = self::$instance->data->consumeIf('*');
if ($s2 === '*') {
self::parseSpace();
$result = new TrueMatcher($s2);
} else {
self::fail('*');
}
}
@ -323,21 +278,14 @@ class Parser {
$s1 = self::parseComposite();
if ($s1 !== false) {
$s2 = self::parseSpace();
if ($s2 !== false) {
$s3 = self::$instance->data->consumeIf(',');
if ($s3 === '' || $s3 === false) {
$s3 = false;
self::fail(',');
}
if ($s3 !== false) {
$s4 = self::parseSpace();
if ($s4 !== false) {
$s5 = self::parseSelector();
$result = ($s5 === false) ? $s1 : new OrMatcher($s1, $s5);
}
}
self::parseSpace();
$s3 = self::$instance->data->consumeIf(',');
if ($s3 === ',') {
self::parseSpace();
$s5 = self::parseSelector();
$result = ($s5 === false) ? $s1 : new OrMatcher($s1, $s5);
} else {
self::fail(',');
}
}
@ -367,16 +315,13 @@ class Parser {
$s3 = false;
$s4 = self::$instance->data->consumeIf('.');
if ($s4 === '' || $s4 === false) {
$s4 = false;
self::fail('.');
}
if ($s4 !== false) {
if ($s4 === '.') {
$s3 = self::parseSegment();
if ($s3 !== false) {
$s2[] = $s3;
}
} else {
self::fail('.');
}
} while ($s3 !== false);
@ -397,7 +342,7 @@ class Parser {
$result = self::$instance->data->consumeWhile(" \t");
if ($result === false) {
self::fail(' \t');
self::fail(" \t");
}
if (self::$debug === true) {
@ -409,10 +354,6 @@ class Parser {
protected static function debug() {
/*if (self::$debugCount === 2500) {
die();
}*/
$message = <<<DEBUG
------------------------------
%s

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