added os::path::abspath

Author: jeremyselan

pystring.cpp

@@ -1128,6 +1128,18 @@ namespace path
     }
 
 
+    //////////////////////////////////////////////////////////////////////////////////////////////
+    ///
+    ///
+    std::string abspath(const std::string & path, const std::string & cwd)
+    {
+        std::string p = path;
+        if(!isabs(p)) p = join(cwd, p);
+        return normpath(p);
+    }
+    
+    
+
     //////////////////////////////////////////////////////////////////////////////////////////////
     ///
     ///

pystring.h

@@ -323,6 +323,14 @@ namespace path
 
     bool isabs(const std::string & path);
 
+    //////////////////////////////////////////////////////////////////////////////////////////////
+    /// @brief Return a normalized absolutized version of the pathname path.
+    /// 
+    /// NOTE: This differs from the interface of the python equivalent in that it requires you
+    /// to pass in the current working directory as an argument.
+    std::string abspath(const std::string & path, const std::string & cwd);
+    
+
     //////////////////////////////////////////////////////////////////////////////////////////////
     /// @brief Join one or more path components intelligently. If any component is an absolute
     /// path, all previous components (on Windows, including the previous drive letter, if there

test.cpp

@@ -163,3 +163,12 @@ PYSTRING_ADD_TEST(pystring, translate)
     PYSTRING_CHECK_EQUAL(pystring::translate("", t2), "");
     PYSTRING_CHECK_EQUAL(pystring::translate("cheese", t2), "chooso");
 }
+
+
+PYSTRING_ADD_TEST(pystring, abspath)
+{
+    PYSTRING_CHECK_EQUAL(pystring::os::path::abspath("", "/net"), "/net");
+    PYSTRING_CHECK_EQUAL(pystring::os::path::abspath("../jeremys", "/net/soft_scratch/users/stevel"), "/net/soft_scratch/users/jeremys");
+    PYSTRING_CHECK_EQUAL(pystring::os::path::abspath("../../../../tmp/a", "/net/soft_scratch/users/stevel"), "/tmp/a");
+ 
+}