Les tests ne sont pas des tests (au sens de tests unitaires) de l'outil (non encore existant) . Ce sont des essais des idées germantes, des Proof-of-Concept (PoC).

git-svn-id: file:///var/svn/2012-php-weave/trunk@3 d972a294-176a-4cf9-8ea1-fcd5b0c30f5c

1 files changed, 91 insertions, 0 deletions

diff --git a/poc/poc01-parsing-includes/src/php-weave/visitors.inc.php b/poc/poc01-parsing-includes/src/php-weave/visitors.inc.php
new file mode 100644
index 0000000..3f997ad
--- /dev/null
+++ b/poc/poc01-parsing-includes/src/php-weave/visitors.inc.php
@@ -0,0 +1,91 @@
+<?php
+/*
+class NodeVisitor_NamespaceConverter extends PHPParser_NodeVisitorAbstract
+{
+	public function leaveNode(PHPParser_Node $node) {
+		if ($node instanceof PHPParser_Node_Name) {
+			return new PHPParser_Node_Name($node->toString('_'));
+		} elseif ($node instanceof PHPParser_Node_Stmt_Class
+				|| $node instanceof PHPParser_Node_Stmt_Interface
+				|| $node instanceof PHPParser_Node_Stmt_Function) {
+			$node->name = $node->namespacedName->toString('_');
+		} elseif ($node instanceof PHPParser_Node_Stmt_Const) {
+			foreach ($node->consts as $const) {
+				$const->name = $const->namespacedName->toString('_');
+			}
+		} elseif ($node instanceof PHPParser_Node_Stmt_Namespace) {
+			// returning an array merges is into the parent array
+			return $node->stmts;
+		} elseif ($node instanceof PHPParser_Node_Stmt_Use) {
+			// returning false removed the node altogether
+			return false;
+		}
+	}
+}
+*/
+
+class NodeVisitor_PreprocessInclude extends PHPParser_NodeVisitorAbstract {
+	protected $level;
+	protected $cwd;
+	protected $filepath;
+	protected $prettyPrinter;
+
+	public function __construct($level, $cwd, $filepath) {
+		$this->level=$level;
+		$this->cwd=$cwd;
+		$this->filepath=$filepath;
+		$this->prettyPrinter = new PHPParser_PrettyPrinter_Zend;
+	}
+
+	protected function resolveIncludePath($node) {
+		//FIXME : Quick and dirty
+		// no classpath checks...
+		// no check if compound value like "dirname(__FILE__) . '/PHPParser/Autoloader.php'"
+		return $node->expr->value;
+	}
+
+	public function enterNode(PHPParser_Node $node) {
+                if ($node instanceof PHPParser_Node_Expr_Include) {
+			// Already processed, go out (occurs if an unresolved include has left as is in the previous recursion level)
+			if (is_array($node->attributes) && array_key_exists('NodeVisitor_PreprocessInclude', $node->attributes)) return $node;
+
+			switch($node->type) {
+				case PHPParser_Node_Expr_Include::TYPE_INCLUDE:
+				case PHPParser_Node_Expr_Include::TYPE_REQUIRE:
+					$once=0;
+					break;
+				case PHPParser_Node_Expr_Include::TYPE_INCLUDE_ONCE:
+				case PHPParser_Node_Expr_Include::TYPE_REQUIRE_ONCE:
+					$once=1;
+					echo "TODO : include_once or require_once\n";
+					break;
+				default:
+					echo "FIXME : BUG NodeVisitor_PreprocessInclude::enterNode !!\n";
+					return $node;
+			}
+
+			$path=$this->resolveIncludePath($node);
+
+			//FIXME : No infinite recursion check like test.php contains include('./test.php');
+			// Preprocess include if readable
+			$comment_suffix=" */";
+			if ( ($this->level < 3) && is_readable($path)) {
+				$comment_prefix="/* ";
+				//FIXME : use a closure or sort of here (dependancy injection)
+				//$stmts=recursive_parse($path, "out/rec.out1", "out/rec.out2", $this->level+1);
+				$stmts=recursive_parse($path, "", "", $this->level+1);
+			} else {
+				$comment_prefix="/* UNRESOLVED : ";
+				$node->attributes['NodeVisitor_PreprocessInclude']='unresolved';
+				$stmts=array($node); // Caution : can cause infinite loop (will be tried at the next step)
+			}
+
+			$comment= new PHPParser_Comment($comment_prefix . $this->prettyPrinter->prettyPrint(array($node)) . $comment_suffix);
+
+			// FIXME : Get out this if() that is a trick for not returning here an array instead of a node
+			return new PHPParser_Node_Stmt_If(new PHPParser_Node_Scalar_LNumber(1),array('stmts'=>$stmts),array('comments'=>array($comment)));
+		}
+
+	}
+}
+