CMake: Move tokenize to cmSystemTools

1 files changed, 32 insertions, 0 deletions

diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index 7bc89a4..9341a4c 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -2833,3 +2833,35 @@ bool cmSystemTools::RepeatedRemoveDirectory(const char* dir)
     }
   return false;
 }
+
+//----------------------------------------------------------------------------
+std::vector<std::string> cmSystemTools::tokenize(const std::string& str,
+                                  const std::string& sep)
+{
+  std::vector<std::string> tokens;
+  std::string::size_type tokend = 0;
+
+  do
+    {
+    std::string::size_type tokstart=str.find_first_not_of(sep, tokend);
+    if (tokstart==std::string::npos)
+      {
+      break;    // no more tokens
+      }
+    tokend=str.find_first_of(sep,tokstart);
+    if (tokend==std::string::npos)
+      {
+      tokens.push_back(str.substr(tokstart));
+      }
+    else
+      {
+      tokens.push_back(str.substr(tokstart,tokend-tokstart));
+      }
+    } while (tokend!=std::string::npos);
+
+  if (tokens.empty())
+    {
+    tokens.push_back("");
+    }
+  return tokens;
+}