From bc0491ae52c1b1375129de52d96fc5698671ff46 Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Wed, 28 Aug 2013 00:12:11 +0200
Subject: [PATCH] BPackageInfo: Add Matches()

Checks whether the package satisfies the given
BPackageResolvableExpression.
---
 headers/os/package/PackageInfo.h |  3 +++
 src/kits/package/PackageInfo.cpp | 21 +++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/headers/os/package/PackageInfo.h b/headers/os/package/PackageInfo.h
index 4d691df6a0..8653506ee5 100644
--- a/headers/os/package/PackageInfo.h
+++ b/headers/os/package/PackageInfo.h
@@ -105,6 +105,9 @@ public:
 
 			BString				CanonicalFileName() const;
 
+			bool				Matches(const BPackageResolvableExpression&
+									expression) const;
+
 			void				SetName(const BString& name);
 			void				SetSummary(const BString& summary);
 			void				SetDescription(const BString& description);
diff --git a/src/kits/package/PackageInfo.cpp b/src/kits/package/PackageInfo.cpp
index de50705382..35c1eddf9b 100644
--- a/src/kits/package/PackageInfo.cpp
+++ b/src/kits/package/PackageInfo.cpp
@@ -582,6 +582,27 @@ BPackageInfo::CanonicalFileName() const
 }
 
 
+bool
+BPackageInfo::Matches(const BPackageResolvableExpression& expression) const
+{
+	// check for an explicit match on the package
+	if (expression.Name().StartsWith("pkg:")) {
+		return fName == expression.Name().String() + 4
+			&& expression.Matches(fVersion, fVersion);
+	}
+
+	// search for a matching provides
+	int32 count = fProvidesList.CountItems();
+	for (int32 i = 0; i < count; i++) {
+		const BPackageResolvable* provides = fProvidesList.ItemAt(i);
+		if (expression.Matches(*provides))
+			return true;
+	}
+
+	return false;
+}
+
+
 void
 BPackageInfo::SetName(const BString& name)
 {