From e3cb7b15b4cb933147cf8535e387ceb40d28a9bb Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Sun, 22 Jun 2014 15:30:05 -0400
Subject: [PATCH] add Path::exists()

---
 src/lib/include/jes/Path.h | 1 +
 src/lib/src/Path.cc        | 9 +++++++++
 test/src/test_Path.cc      | 6 ++++++
 3 files changed, 16 insertions(+)

diff --git a/src/lib/include/jes/Path.h b/src/lib/include/jes/Path.h
index 3be9084..b21bdf8 100644
--- a/src/lib/include/jes/Path.h
+++ b/src/lib/include/jes/Path.h
@@ -14,6 +14,7 @@ namespace jes
         Path dirname();
         Path join(const Path & other);
         const std::string & to_s() { return m_path; }
+        bool exists();
     protected:
         void clean();
         std::string m_path;
diff --git a/src/lib/src/Path.cc b/src/lib/src/Path.cc
index 7a344b1..6f19aa7 100644
--- a/src/lib/src/Path.cc
+++ b/src/lib/src/Path.cc
@@ -1,4 +1,7 @@
 #include "jes/Path.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 
 namespace jes
 {
@@ -46,6 +49,12 @@ namespace jes
             return Path(m_path + '/' + other.m_path);
     }
 
+    bool Path::exists()
+    {
+        struct stat st;
+        return stat(m_path.c_str(), &st) == 0;
+    }
+
     void Path::clean()
     {
         for (char & c : m_path)
diff --git a/test/src/test_Path.cc b/test/src/test_Path.cc
index 96aae3a..1dddfc5 100644
--- a/test/src/test_Path.cc
+++ b/test/src/test_Path.cc
@@ -38,3 +38,9 @@ TEST(PathTest, dirname)
     EXPECT_EQ(".", Path("folder//").dirname().to_s());
     EXPECT_EQ("a", Path("a/b").dirname().to_s());
 }
+
+TEST(PathTest, exists)
+{
+    EXPECT_TRUE(Path("runtime").exists());
+    EXPECT_FALSE(Path("foobar").exists());
+}