ENH: Teach separate_arguments() to parse commands

This adds UNIX_COMMAND and WINDOWS_COMMAND modes to the command.
These modes parse unix- and windows-style command lines.

1 files changed, 25 insertions, 0 deletions

diff --git a/Tests/CMakeTests/SeparateArgumentsTest.cmake.in b/Tests/CMakeTests/SeparateArgumentsTest.cmake.in
new file mode 100644
index 0000000..48964b8
--- /dev/null
+++ b/Tests/CMakeTests/SeparateArgumentsTest.cmake.in
@@ -0,0 +1,25 @@
+set(old_out "a b  c")
+separate_arguments(old_out)
+set(old_exp "a;b;;c")
+
+set(unix_cmd "a \"b c\" 'd e' \";\" \\ \\'\\\" '\\'' \"\\\"\"")
+set(unix_exp "a;b c;d e;\;; '\";';\"")
+separate_arguments(unix_out UNIX_COMMAND "${unix_cmd}")
+
+set(windows_cmd "a \"b c\" 'd e' \";\" \\ \"c:\\windows\\path\\\\\" \\\"")
+set(windows_exp "a;b c;'d;e';\;;\\;c:\\windows\\path\\;\"")
+separate_arguments(windows_out WINDOWS_COMMAND "${windows_cmd}")
+
+foreach(mode old unix windows)
+  if(NOT "${${mode}_out}" STREQUAL "${${mode}_exp}")
+    message(FATAL_ERROR "separate_arguments ${mode}-style failed.  "
+      "Expected\n  [${${mode}_exp}]\nbut got\n  [${${mode}_out}]\n")
+  endif()
+endforeach()
+
+set(nothing)
+separate_arguments(nothing)
+if(DEFINED nothing)
+  message(FATAL_ERROR "separate_arguments null-case failed: "
+    "nothing=[${nothing}]")
+endif()