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Merge pull request #10577 from creative-commoners/pulls/4/textcollector-class-notation

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Michal Kleiner 2022-11-25 10:27:59 +13:00 committed by GitHub
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2 changed files with 129 additions and 5 deletions
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76
src/i18n/TextCollection/i18nTextCollector.php
View File

@ -548,9 +548,10 @@ class i18nTextCollector
*/
public function collectFromCode($content, $fileName, Module $module)
{
// Get namespace either from $fileName or $module fallback
// Get "namespace" either from $fileName or $module fallback
$namespace = $fileName ? basename($fileName) : $module->getName();
$usedFQCNs = [];
$entities = [];
$tokens = token_get_all("<?php\n" . $content);
@ -558,12 +559,17 @@ class i18nTextCollector
$inConcat = false;
$inNamespace = false;
$inClass = false; // after `class` but before `{`
$inUse = false; // pulling in classes from other namespaces
$inArrayClosedBy = false; // Set to the expected closing token, or false if not in array
$inSelf = false; // Tracks progress of collecting self::class
$currentEntity = [];
$currentNameSpace = []; // The actual namespace for the current class
$currentClass = []; // Class components
$previousToken = null;
$thisToken = null; // used to populate $previousToken on next iteration
$potentialClassName = null;
$currentUse = null;
$currentUseAlias = null;
foreach ($tokens as $token) {
// Shuffle last token to $lastToken
$previousToken = $thisToken;
@ -571,17 +577,54 @@ class i18nTextCollector
if (is_array($token)) {
list($id, $text) = $token;
// Collect use statements so we can get fully qualified class names
if ($id === T_USE) {
$inUse = true;
$currentUse = [];
continue;
}
if ($inUse) {
// PHP 8.0+
if (defined('T_NAME_QUALIFIED') && $id === T_NAME_QUALIFIED) {
$currentUse[] = $text;
$text = explode('\\', $text);
$currentUseAlias = end($text);
continue;
}
// PHP 7.4 or an alias declaration
if ($id === T_STRING) {
// Only add to the FQCN if it's the first string or comes after a namespace separator
if (empty($currentUse) || (is_array($previousToken) && $previousToken[0] === T_NS_SEPARATOR)) {
$currentUse[] = $text;
}
// The last part of the use statement is always the alias or the actual class name
$currentUseAlias = $text;
continue;
}
}
// Check class
if ($id === T_NAMESPACE) {
$inNamespace = true;
$currentClass = [];
$currentNameSpace = [];
continue;
}
if ($inNamespace && ($id === T_STRING || (defined('T_NAME_QUALIFIED') && $id === T_NAME_QUALIFIED))) {
$currentClass[] = $text;
$currentNameSpace[] = $text;
continue;
}
// This could be a ClassName::class declaration
if ($id === T_DOUBLE_COLON && is_array($previousToken) && $previousToken[0] === T_STRING) {
$prevString = $previousToken[1];
if (!in_array($prevString, ['self', 'static', 'parent'])) {
$potentialClassName = $prevString;
}
}
// Check class
if ($id === T_CLASS) {
// Skip if previous token was '::'. E.g. 'Object::class'
@ -591,6 +634,16 @@ class i18nTextCollector
// for __CLASS__ to handle an array of class parts
$id = T_CLASS_C;
$inSelf = false;
} elseif ($potentialClassName) {
$id = T_CONSTANT_ENCAPSED_STRING;
if (array_key_exists($potentialClassName, $usedFQCNs)) {
// Handle classes that we explicitly know about from use statements
$text = "'" . $usedFQCNs[$potentialClassName] . "'";
} else {
// Assume the class is in the current namespace
$potentialFQCN = [...$currentNameSpace, $potentialClassName];
$text = "'" . implode('\\', $potentialFQCN) . "'";
}
} else {
// Don't handle other ::class definitions. We can't determine which
// class was invoked, so parent::class is not possible at this point.
@ -600,7 +653,11 @@ class i18nTextCollector
$inClass = true;
continue;
}
} elseif (is_array($previousToken) && $previousToken[0] === T_DOUBLE_COLON) {
// We had a potential class but it turns out it was probably a method call.
$potentialClassName = null;
}
if ($inClass && $id === T_STRING) {
$currentClass[] = $text;
$inClass = false;
@ -691,10 +748,19 @@ class i18nTextCollector
continue;
}
// Check if we can close the namespace
if ($inNamespace && $token === ';') {
$inNamespace = false;
continue;
// Check if we can close the namespace or use statement
if ($token === ';') {
if ($inNamespace) {
$inNamespace = false;
continue;
}
if ($inUse) {
$inUse = false;
$usedFQCNs[$currentUseAlias] = implode('\\', $currentUse);
$currentUse = null;
$currentUseAlias = null;
continue;
}
}
// Continue only if in translation and not in array

58
tests/php/i18n/i18nTextCollectorTest.php
View File

@ -348,6 +348,64 @@ PHP;
);
}
public function testCollectFromClassSyntax()
{
$c = i18nTextCollector::create();
$mymodule = ModuleLoader::inst()->getManifest()->getModule('i18ntestmodule');
$php = <<<PHP
<?php
namespace SilverStripe\Framework\Core;
use SilverStripe\ORM\DataObject;
use SilverStripe\Versioned\Versioned;
use Some\Space\MyClass as AliasClass;
use NoNamespaceClass;
class MyClass extends Base implements SomeService {
public function pointlessFunction1(\$class) {
if (
!is_subclass_of(\$class, DataObject::class)
|| !Object::has_extension(\$class, Versioned::class)
) {
return null;
}
return _t(
Versioned::class . '.OTHER_NAMESPACE',
'New Lines'
);
}
public function pointlessFunction2() {
return _t(
SameNamespaceClass::class . '.SAME_NAMESPACE',
'Slash=\\\\, Quote=\\''
);
}
public function pointlessFunction3() {
return _t(
AliasClass::class . ".ALIAS_CLASS",
"Slash=\\\\, Quote=\\""
);
}
public function pointlessFunction4()
{
return _t(
NoNamespaceClass::class . '.NO_NAMESPACE',
'Self Class'
);
}
}
PHP;
$this->assertEquals(
[
'SilverStripe\\Versioned\\Versioned.OTHER_NAMESPACE' => "New Lines",
'SilverStripe\\Framework\\Core\\SameNamespaceClass.SAME_NAMESPACE' => 'Slash=\\, Quote=\'',
'Some\\Space\\MyClass.ALIAS_CLASS' => 'Slash=\\, Quote="',
'NoNamespaceClass.NO_NAMESPACE' => 'Self Class',
],
$c->collectFromCode($php, null, $mymodule)
);
}
public function testNewlinesInEntityValues()
{