is_exe: use choose_method

Author: scivision

+stdlib/+native/is_exe_legacy.m renamed to +stdlib/+legacy/is_exe.m

@@ -1,4 +1,4 @@
-function y = is_exe_legacy(file)
+function y = is_exe(file)
 
 y = isfile(file);
 

+stdlib/is_exe.m

@@ -2,18 +2,15 @@
 %
 % false if not a file
 
-function y = is_exe(p)
+function y = is_exe(file, method)
 arguments
-  p {mustBeTextScalar}
+  file {mustBeTextScalar}
+  method (1,:) string = ["java", "python", "native", "legacy"]
 end
 
-% Java or Python are like 100x faster than Matlab native
-if stdlib.has_java()
-  y = stdlib.java.is_exe(p);
-elseif stdlib.has_python()
-  y = stdlib.python.is_exe(p);
-else
-  y = stdlib.native.is_exe(p);
-end
+% Java or Python ~ 100x faster than Matlab native
+fun = choose_method(method, "is_exe", 'R2025a');
+
+y = fun(file);
 
 end

test/TestIsExe.m

@@ -7,7 +7,7 @@
 {'', false}, ...
 {"", false}
 }
-fun = {@stdlib.is_exe, @stdlib.java.is_exe, @stdlib.python.is_exe, @stdlib.native.is_exe, @stdlib.native.is_exe_legacy}
+method = {'java', 'python', 'native', 'legacy'}
 end
 
 methods(TestClassSetup)
@@ -19,26 +19,26 @@ function pkg_path(tc)
 
 methods(Test, TestTags="impure")
 
-function test_is_exe(tc, p, fun)
-is_capable(tc, fun)
+function test_is_exe(tc, p, method)
+is_capable(tc, str2func("stdlib." + method + ".is_exe"))
 
-tc.verifyEqual(fun(p{1}), p{2})
+tc.verifyEqual(stdlib.is_exe(p{1}, method), p{2})
 end
 
 
-function test_is_exe_dir(tc, fun)
-is_capable(tc, fun)
+function test_is_exe_dir(tc, method)
+is_capable(tc, str2func("stdlib." + method + ".is_exe"))
 
-tc.verifyFalse(fun('.'))
+tc.verifyFalse(stdlib.is_exe('.', method))
 end
 
 
-function test_matlab_exe(tc, fun)
-is_capable(tc, fun)
+function test_matlab_exe(tc, method)
+is_capable(tc, str2func("stdlib." + method + ".is_exe"))
 
 
 f = matlab_path();
-tc.verifyTrue(fun(f))
+tc.verifyTrue(stdlib.is_exe(f, method))
 end