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php-language-server
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Clean up completions, fix exceptions thrown from running strpos on empty strings

pull/357/head
Rob Lourens 2017-05-18 14:26:34 -07:00
parent 1fa29ccae5
commit 67081c4abe
3 changed files with 52 additions and 19 deletions
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21
src/CompletionProvider.php
View File

@ -13,6 +13,7 @@ use LanguageServer\Protocol\{
CompletionItem,
CompletionItemKind
};
use function LanguageServer\{strStartsWith};
use Microsoft\PhpParser as Tolerant;
class CompletionProvider
@ -245,10 +246,8 @@ class CompletionProvider
}
foreach ($this->index->getDefinitions() as $fqn => $def) {
if (
($def->canBeInstantiated || ($def->isGlobal && !isset($creation))) && (empty($prefix) || strpos($fqn, $prefix) !== false)
) {
$fqnStartsWithPrefix = strStartsWith($fqn, $prefix);
if (($def->canBeInstantiated || ($def->isGlobal && !isset($creation))) && strStartsWith($fqn, $prefix)) {
if ($namespaceDefinition !== null && $namespaceDefinition->name !== null) {
$namespacePrefix = (string)Tolerant\ResolvedName::buildName($namespaceDefinition->name->nameParts, $node->getFileContents());
@ -257,7 +256,7 @@ class CompletionProvider
$isNotFullyQualified = !($class instanceof Tolerant\Node\QualifiedName) || !$class->isFullyQualifiedName();
if ($isNotFullyQualified) {
foreach ($namespaceImportTable as $alias => $name) {
if (strpos($fqn, $name) === 0) {
if (strStartsWith($fqn, $name)) {
$fqn = $alias;
$isAliased = true;
break;
@ -266,13 +265,13 @@ class CompletionProvider
}
if (!$isNotFullyQualified && ((strpos($fqn, $prefix) === 0) || strpos($fqn, $namespacePrefix . "\\" . $prefix) === 0)) {
$fqn = $fqn;
if (!$isNotFullyQualified && ($fqnStartsWithPrefix || strStartsWith($fqn, $namespacePrefix . "\\" . $prefix))) {
// $fqn = $fqn;
}
elseif (!$isAliased && !array_search($fqn, array_values($namespaceImportTable))) {
if (empty($prefix)) {
$fqn = '\\' . $fqn;
} elseif (strpos($fqn, $namespacePrefix . "\\" . $prefix) === 0) {
} elseif (strStartsWith($fqn, $namespacePrefix . "\\" . $prefix)) {
$fqn = substr($fqn, strlen($namespacePrefix) + 1);
} else {
continue;
@ -280,7 +279,7 @@ class CompletionProvider
} elseif (!$isAliased) {
continue;
}
} elseif (strpos($fqn, $prefix) === 0 && $class->isFullyQualifiedName()) {
} elseif ($fqnStartsWithPrefix && $class->isFullyQualifiedName()) {
$fqn = '\\' . $fqn;
}
@ -293,23 +292,19 @@ class CompletionProvider
if (!isset($creation)) {
foreach (self::KEYWORDS as $keyword) {
if (strpos($keyword, $prefix) === 0) {
$item = new CompletionItem($keyword, CompletionItemKind::KEYWORD);
$item->insertText = $keyword . ' ';
$list->items[] = $item;
}
}
}
} elseif (TolerantParserHelpers::isConstantFetch($node)) {
$prefix = (string) ($node->getResolvedName() ?? Tolerant\ResolvedName::buildName($node->nameParts, $node->getFileContents()));
foreach (self::KEYWORDS as $keyword) {
if (strpos($keyword, $prefix) === 0) {
$item = new CompletionItem($keyword, CompletionItemKind::KEYWORD);
$item->insertText = $keyword . ' ';
$list->items[] = $item;
}
}
}
return $list;
}

4
src/utils.php
View File

@ -189,3 +189,7 @@ function getVendorDir(\stdClass $composerJson = null): string
{
return $composerJson->config->{'vendor-dir'} ?? 'vendor';
}
function strStartsWith(string $haystack, string $prefix): bool {
return empty($prefix) || strpos($haystack, $prefix) === 0;
}

34
tests/Utils/UtilsTest.php Normal file
View File

@ -0,0 +1,34 @@
<?php
declare(strict_types = 1);
namespace LanguageServer\Tests\Utils;
use PHPUnit\Framework\TestCase;
use function LanguageServer\{strStartsWith};
class UtilsTest extends TestCase
{
public function testStrStartsWithDataProvider(): array {
return [
['a', 'b', false],
['', 'a', false],
['foobar', 'bar', false],
['a', '', true],
['', '', true],
['foobar', 'foob', true],
['foobar', 'f', true],
['FOOBAR', 'foo', false],
['foobar', 'foobar', true]
];
}
/**
* @dataProvider testStrStartsWithDataProvider
*/
public function testStrStartsWith($haystack, $prefix, $expectedResult)
{
$this->assertEquals(strStartsWith($haystack, $prefix), $expectedResult);
}
}