mirror of
https://github.com/barryvdh/ReflectionDocBlock.git
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Merge pull request #53 from mvriel/feature/refactor-to-v2
Make Context leaner and enable third parties to create them
This commit is contained in:
Mike van Riel
@@ -0,0 +1,75 @@
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<?php
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/**
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* This file is part of phpDocumentor.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @copyright 2010-2015 Mike van Riel<[email protected]>
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* @license http://www.opensource.org/licenses/mit-license.php MIT
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* @link http://phpdoc.org
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*/
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namespace phpDocumentor\Reflection\DocBlock;
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/**
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* Provides information about the Context in which the DocBlock occurs that receives this context.
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*
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* A DocBlock does not know of its own accord in which namespace it occurs and which namespace aliases are applicable
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* for the block of code in which it is in. This information is however necessary to resolve Class names in tags since
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* you can provide a short form or make use of namespace aliases.
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*
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* The phpDocumentor Reflection component knows how to create this class but if you use the DocBlock parser from your
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* own application it is possible to generate a Context class using the ContextFactory; this will analyze the file in
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* which an associated class resides for its namespace and imports.
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*
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* @see ContextFactory::createFromClassReflector()
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* @see ContextFactory::createForNamespace()
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*/
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final class Context
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{
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/** @var string The current namespace. */
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private $namespace = '';
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/** @var array List of namespace aliases => Fully Qualified Namespace. */
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private $namespaceAliases = [];
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/**
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* Initializes the new context and normalizes all passed namespaces to be in Qualified Namespace Name (QNN)
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* format (without a preceding `\`).
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*
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* @param string $namespace The namespace where this DocBlock resides in.
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* @param array $namespaceAliases List of namespace aliases => Fully Qualified Namespace.
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*/
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public function __construct($namespace, array $namespaceAliases = [])
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{
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$this->namespace = ('global' !== $namespace && 'default' !== $namespace)
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? trim((string)$namespace, '\\')
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: '';
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foreach ($namespaceAliases as $alias => $fqnn) {
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$this->namespaceAliases[$alias] = trim((string)$fqnn, '\\');
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}
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}
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/**
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* Returns the Qualified Namespace Name (thus without `\` in front) where the associated element is in.
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*
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* @return string
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*/
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public function getNamespace()
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{
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return $this->namespace;
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}
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/**
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* Returns a list of Qualified Namespace Names (thus without `\` in front) that are imported, the keys represent
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* the alias for the imported Namespace.
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*
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* @return string[]
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*/
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public function getNamespaceAliases()
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{
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return $this->namespaceAliases;
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}
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}
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@@ -0,0 +1,174 @@
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<?php
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/**
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* This file is part of phpDocumentor.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @copyright 2010-2015 Mike van Riel<[email protected]>
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* @license http://www.opensource.org/licenses/mit-license.php MIT
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* @link http://phpdoc.org
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*/
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namespace phpDocumentor\Reflection\DocBlock;
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/**
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* Convenience class to create a Context for DocBlocks when not using the Reflection Component of phpDocumentor.
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*
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* For a DocBlock to be able to resolve types that use partial namespace names or rely on namespace imports we need to
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* provide a bit of context so that the DocBlock can read that and based on it decide how to resolve the types to
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* Fully Qualified names.
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*
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* @see Context for more information.
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*/
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final class ContextFactory
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{
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/** The literal used at the end of a use statement. */
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const T_LITERAL_END_OF_USE = ';';
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/** The literal used between sets of use statements */
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const T_LITERAL_USE_SEPARATOR = ',';
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/**
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* Build a Context given a Class Reflection.
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*
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* @param \ReflectionClass $class
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*
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* @see Context for more information on Contexts.
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*
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* @return Context
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*/
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public function createFromClassReflector(\ReflectionClass $class)
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{
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return $this->createForNamespace(
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$class->getNamespaceName(),
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file_get_contents($class->getFileName())
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);
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}
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/**
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* Build a Context for a namespace in the provided file contents.
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*
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* @param string $namespace It does not matter if a `\` precedes the namespace name, this method first normalizes.
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* @param string $fileContents the file's contents to retrieve the aliases from with the given namespace.
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*
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* @see Context for more information on Contexts.
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*
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* @return Context
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*/
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public function createForNamespace($namespace, $fileContents)
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{
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$namespace = trim($namespace, '\\');
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$useStatements = [];
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$currentNamespace = '';
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$tokens = new \ArrayIterator(token_get_all($fileContents));
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while ($tokens->valid()) {
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switch ($tokens->current()[0]) {
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case T_NAMESPACE:
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$currentNamespace = $this->parseNamespace($tokens);
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break;
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case T_USE:
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if ($currentNamespace === $namespace) {
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$useStatements = array_merge($useStatements, $this->parseUseStatement($tokens));
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}
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break;
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}
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$tokens->next();
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}
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return new Context($namespace, $useStatements);
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}
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/**
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* Deduce the name from tokens when we are at the T_NAMESPACE token.
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*
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* @param \ArrayIterator $tokens
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*
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* @return string
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*/
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private function parseNamespace(\ArrayIterator $tokens)
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{
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// skip to the first string or namespace separator
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$this->skipToNextStringOrNamespaceSeparator($tokens);
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$name = '';
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while ($tokens->valid() && ($tokens->current()[0] === T_STRING || $tokens->current()[0] === T_NS_SEPARATOR)
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) {
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$name .= $tokens->current()[1];
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$tokens->next();
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}
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return $name;
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}
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/**
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* Deduce the names of all imports when we are at the T_USE token.
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*
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* @param \ArrayIterator $tokens
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*
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* @return string[]
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*/
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private function parseUseStatement(\ArrayIterator $tokens)
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{
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$uses = [];
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$continue = true;
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while ($continue) {
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$this->skipToNextStringOrNamespaceSeparator($tokens);
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list($alias, $fqnn) = $this->extractUseStatement($tokens);
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$uses[$alias] = $fqnn;
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if ($tokens->current()[0] === self::T_LITERAL_END_OF_USE) {
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$continue = false;
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}
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}
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return $uses;
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}
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/**
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* Fast-forwards the iterator as longs as we don't encounter a T_STRING or T_NS_SEPARATOR token.
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*
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* @param \ArrayIterator $tokens
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*
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* @return void
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*/
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private function skipToNextStringOrNamespaceSeparator(\ArrayIterator $tokens)
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{
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while ($tokens->valid() && ($tokens->current()[0] !== T_STRING) && ($tokens->current()[0] !== T_NS_SEPARATOR)) {
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$tokens->next();
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}
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}
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/**
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* Deduce the namespace name and alias of an import when we are at the T_USE token or have not reached the end of
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* a USE statement yet.
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*
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* @param \ArrayIterator $tokens
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*
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* @return string
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*/
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private function extractUseStatement(\ArrayIterator $tokens)
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{
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$result = [''];
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while ($tokens->valid()
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&& ($tokens->current()[0] !== self::T_LITERAL_USE_SEPARATOR)
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&& ($tokens->current()[0] !== self::T_LITERAL_END_OF_USE)
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) {
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if ($tokens->current()[0] === T_AS) {
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$result[] = '';
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}
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if ($tokens->current()[0] === T_STRING || $tokens->current()[0] === T_NS_SEPARATOR) {
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$result[count($result) - 1] .= $tokens->current()[1];
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}
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$tokens->next();
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}
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if (count($result) == 1) {
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$result[] = substr($result[0], strrpos($result[0], '\\') + 1);
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}
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return array_reverse($result);
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}
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}
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@@ -1,154 +0,0 @@
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<?php
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/**
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* phpDocumentor
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*
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* PHP Version 5.3
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*
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* @author Vasil Rangelov <[email protected]>
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* @copyright 2010-2011 Mike van Riel / Naenius (http://www.naenius.com)
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* @license http://www.opensource.org/licenses/mit-license.php MIT
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* @link http://phpdoc.org
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*/
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namespace phpDocumentor\Reflection\DocBlock;
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|
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/**
|
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* The context in which a DocBlock occurs.
|
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||||||
*
|
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* @author Vasil Rangelov <[email protected]>
|
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* @license http://www.opensource.org/licenses/mit-license.php MIT
|
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* @link http://phpdoc.org
|
|
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*/
|
|
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class Context
|
|
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{
|
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||||||
/** @var string The current namespace. */
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protected $namespace = '';
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|
|
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/** @var array List of namespace aliases => Fully Qualified Namespace. */
|
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||||||
protected $namespace_aliases = array();
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|
|
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/** @var string Name of the structural element, within the namespace. */
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protected $lsen = '';
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Cteates a new context.
|
|
||||||
* @param string $namespace The namespace where this DocBlock
|
|
||||||
* resides in.
|
|
||||||
* @param array $namespace_aliases List of namespace aliases => Fully
|
|
||||||
* Qualified Namespace.
|
|
||||||
* @param string $lsen Name of the structural element, within
|
|
||||||
* the namespace.
|
|
||||||
*/
|
|
||||||
public function __construct(
|
|
||||||
$namespace = '',
|
|
||||||
array $namespace_aliases = array(),
|
|
||||||
$lsen = ''
|
|
||||||
) {
|
|
||||||
if (!empty($namespace)) {
|
|
||||||
$this->setNamespace($namespace);
|
|
||||||
}
|
|
||||||
$this->setNamespaceAliases($namespace_aliases);
|
|
||||||
$this->setLSEN($lsen);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @return string The namespace where this DocBlock resides in.
|
|
||||||
*/
|
|
||||||
public function getNamespace()
|
|
||||||
{
|
|
||||||
return $this->namespace;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @return array List of namespace aliases => Fully Qualified Namespace.
|
|
||||||
*/
|
|
||||||
public function getNamespaceAliases()
|
|
||||||
{
|
|
||||||
return $this->namespace_aliases;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns the Local Structural Element Name.
|
|
||||||
*
|
|
||||||
* @return string Name of the structural element, within the namespace.
|
|
||||||
*/
|
|
||||||
public function getLSEN()
|
|
||||||
{
|
|
||||||
return $this->lsen;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Sets a new namespace.
|
|
||||||
*
|
|
||||||
* Sets a new namespace for the context. Leading and trailing slashes are
|
|
||||||
* trimmed, and the keywords "global" and "default" are treated as aliases
|
|
||||||
* to no namespace.
|
|
||||||
*
|
|
||||||
* @param string $namespace The new namespace to set.
|
|
||||||
*
|
|
||||||
* @return $this
|
|
||||||
*/
|
|
||||||
public function setNamespace($namespace)
|
|
||||||
{
|
|
||||||
if ('global' !== $namespace
|
|
||||||
&& 'default' !== $namespace
|
|
||||||
) {
|
|
||||||
// Srip leading and trailing slash
|
|
||||||
$this->namespace = trim((string)$namespace, '\\');
|
|
||||||
} else {
|
|
||||||
$this->namespace = '';
|
|
||||||
}
|
|
||||||
return $this;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Sets the namespace aliases, replacing all previous ones.
|
|
||||||
*
|
|
||||||
* @param array $namespace_aliases List of namespace aliases => Fully
|
|
||||||
* Qualified Namespace.
|
|
||||||
*
|
|
||||||
* @return $this
|
|
||||||
*/
|
|
||||||
public function setNamespaceAliases(array $namespace_aliases)
|
|
||||||
{
|
|
||||||
$this->namespace_aliases = array();
|
|
||||||
foreach ($namespace_aliases as $alias => $fqnn) {
|
|
||||||
$this->setNamespaceAlias($alias, $fqnn);
|
|
||||||
}
|
|
||||||
return $this;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Adds a namespace alias to the context.
|
|
||||||
*
|
|
||||||
* @param string $alias The alias name (the part after "as", or the last
|
|
||||||
* part of the Fully Qualified Namespace Name) to add.
|
|
||||||
* @param string $fqnn The Fully Qualified Namespace Name for this alias.
|
|
||||||
* Any form of leading/trailing slashes are accepted, but what will be
|
|
||||||
* stored is a name, prefixed with a slash, and no trailing slash.
|
|
||||||
*
|
|
||||||
* @return $this
|
|
||||||
*/
|
|
||||||
public function setNamespaceAlias($alias, $fqnn)
|
|
||||||
{
|
|
||||||
$this->namespace_aliases[$alias] = '\\' . trim((string)$fqnn, '\\');
|
|
||||||
return $this;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Sets a new Local Structural Element Name.
|
|
||||||
*
|
|
||||||
* Sets a new Local Structural Element Name. A local name also contains
|
|
||||||
* punctuation determining the kind of structural element (e.g. trailing "("
|
|
||||||
* and ")" for functions and methods).
|
|
||||||
*
|
|
||||||
* @param string $lsen The new local name of a structural element.
|
|
||||||
*
|
|
||||||
* @return $this
|
|
||||||
*/
|
|
||||||
public function setLSEN($lsen)
|
|
||||||
{
|
|
||||||
$this->lsen = (string)$lsen;
|
|
||||||
return $this;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -0,0 +1,94 @@
|
|||||||
|
<?php
|
||||||
|
/**
|
||||||
|
* This file is part of phpDocumentor.
|
||||||
|
*
|
||||||
|
* For the full copyright and license information, please view the LICENSE
|
||||||
|
* file that was distributed with this source code.
|
||||||
|
*
|
||||||
|
* @copyright 2010-2015 Mike van Riel<[email protected]>
|
||||||
|
* @license http://www.opensource.org/licenses/mit-license.php MIT
|
||||||
|
* @link http://phpdoc.org
|
||||||
|
*/
|
||||||
|
|
||||||
|
namespace phpDocumentor\Reflection\DocBlock {
|
||||||
|
|
||||||
|
// Added imports on purpose as mock for the unit tests, please do not remove.
|
||||||
|
use Mockery as m;
|
||||||
|
use phpDocumentor\Reflection\DocBlock,
|
||||||
|
phpDocumentor\Reflection\DocBlock\Tag;
|
||||||
|
use \ReflectionClass; // yes, the slash is part of the test
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @coversDefaultClass \phpDocumentor\Reflection\DocBlock\ContextFactory
|
||||||
|
* @covers ::<private>
|
||||||
|
*/
|
||||||
|
class ContextFactoryTest extends \PHPUnit_Framework_TestCase
|
||||||
|
{
|
||||||
|
/**
|
||||||
|
* @covers ::createFromClassReflector
|
||||||
|
* @covers ::createForNamespace
|
||||||
|
* @uses phpDocumentor\Reflection\DocBlock\Context
|
||||||
|
*/
|
||||||
|
public function testReadsNamespaceFromClassReflection()
|
||||||
|
{
|
||||||
|
$fixture = new ContextFactory();
|
||||||
|
$context = $fixture->createFromClassReflector(new ReflectionClass($this));
|
||||||
|
|
||||||
|
$this->assertSame(__NAMESPACE__, $context->getNamespace());
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @covers ::createFromClassReflector
|
||||||
|
* @covers ::createForNamespace
|
||||||
|
* @uses phpDocumentor\Reflection\DocBlock\Context
|
||||||
|
*/
|
||||||
|
public function testReadsAliasesFromClassReflection()
|
||||||
|
{
|
||||||
|
$fixture = new ContextFactory();
|
||||||
|
$expected = [
|
||||||
|
'm' => 'Mockery',
|
||||||
|
'DocBlock' => 'phpDocumentor\Reflection\DocBlock',
|
||||||
|
'Tag' => 'phpDocumentor\Reflection\DocBlock\Tag',
|
||||||
|
'ReflectionClass' => 'ReflectionClass'
|
||||||
|
];
|
||||||
|
$context = $fixture->createFromClassReflector(new ReflectionClass($this));
|
||||||
|
|
||||||
|
$this->assertSame($expected, $context->getNamespaceAliases());
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @covers ::createForNamespace
|
||||||
|
* @uses phpDocumentor\Reflection\DocBlock\Context
|
||||||
|
*/
|
||||||
|
public function testReadsNamespaceFromProvidedNamespaceAndContent()
|
||||||
|
{
|
||||||
|
$fixture = new ContextFactory();
|
||||||
|
$context = $fixture->createForNamespace(__NAMESPACE__, file_get_contents(__FILE__));
|
||||||
|
|
||||||
|
$this->assertSame(__NAMESPACE__, $context->getNamespace());
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @covers ::createForNamespace
|
||||||
|
* @uses phpDocumentor\Reflection\DocBlock\Context
|
||||||
|
*/
|
||||||
|
public function testReadsAliasesFromProvidedNamespaceAndContent()
|
||||||
|
{
|
||||||
|
$fixture = new ContextFactory();
|
||||||
|
$expected = [
|
||||||
|
'm' => 'Mockery',
|
||||||
|
'DocBlock' => 'phpDocumentor\Reflection\DocBlock',
|
||||||
|
'Tag' => 'phpDocumentor\Reflection\DocBlock\Tag',
|
||||||
|
'ReflectionClass' => 'ReflectionClass'
|
||||||
|
];
|
||||||
|
$context = $fixture->createForNamespace(__NAMESPACE__, file_get_contents(__FILE__));
|
||||||
|
|
||||||
|
$this->assertSame($expected, $context->getNamespaceAliases());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
namespace phpDocumentor\Reflection\DocBlock\Mock {
|
||||||
|
// the following import should not show in the tests above
|
||||||
|
use phpDocumentor\Reflection\DocBlock\Description;
|
||||||
|
}
|
||||||
@@ -0,0 +1,61 @@
|
|||||||
|
<?php
|
||||||
|
/**
|
||||||
|
* This file is part of phpDocumentor.
|
||||||
|
*
|
||||||
|
* For the full copyright and license information, please view the LICENSE
|
||||||
|
* file that was distributed with this source code.
|
||||||
|
*
|
||||||
|
* @copyright 2010-2015 Mike van Riel<[email protected]>
|
||||||
|
* @license http://www.opensource.org/licenses/mit-license.php MIT
|
||||||
|
* @link http://phpdoc.org
|
||||||
|
*/
|
||||||
|
|
||||||
|
namespace phpDocumentor\Reflection\DocBlock;
|
||||||
|
|
||||||
|
use Mockery as m;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @coversDefaultClass \phpDocumentor\Reflection\DocBlock\Context
|
||||||
|
*/
|
||||||
|
class ContextTest extends \PHPUnit_Framework_TestCase
|
||||||
|
{
|
||||||
|
/**
|
||||||
|
* @covers ::__construct
|
||||||
|
* @covers ::getNamespace
|
||||||
|
*/
|
||||||
|
public function testProvidesANormalizedNamespace()
|
||||||
|
{
|
||||||
|
$fixture = new Context('\My\Space');
|
||||||
|
$this->assertSame('My\Space', $fixture->getNamespace());
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @covers ::__construct
|
||||||
|
* @covers ::getNamespace
|
||||||
|
*/
|
||||||
|
public function testInterpretsNamespaceNamedGlobalAsRootNamespace()
|
||||||
|
{
|
||||||
|
$fixture = new Context('global');
|
||||||
|
$this->assertSame('', $fixture->getNamespace());
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @covers ::__construct
|
||||||
|
* @covers ::getNamespace
|
||||||
|
*/
|
||||||
|
public function testInterpretsNamespaceNamedDefaultAsRootNamespace()
|
||||||
|
{
|
||||||
|
$fixture = new Context('default');
|
||||||
|
$this->assertSame('', $fixture->getNamespace());
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @covers ::__construct
|
||||||
|
* @covers ::getNamespaceAliases
|
||||||
|
*/
|
||||||
|
public function testProvidesNormalizedNamespaceAliases()
|
||||||
|
{
|
||||||
|
$fixture = new Context('', ['Space' => '\My\Space']);
|
||||||
|
$this->assertSame(['Space' => 'My\Space'], $fixture->getNamespaceAliases());
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user