util: Migrated strippedLength from text

src/text.cpp

@@ -53,30 +53,3 @@ const char* optionalBlankLine ()
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// Return the length, in characters, of the input, subtracting color control
-// codes.
-int strippedLength (const std::string& input)
-{
-  int length = input.length ();
-  bool inside = false;
-  int count = 0;
-  for (int i = 0; i < length; ++i)
-  {
-    if (inside)
-    {
-      if (input[i] == 'm')
-        inside = false;
-    }
-    else
-    {
-      if (input[i] == 033)
-        inside = true;
-      else
-        ++count;
-    }
-  }
-
-  return count;
-}
-
-////////////////////////////////////////////////////////////////////////////////

src/util.cpp

@@ -328,3 +328,30 @@ bool nontrivial (const std::string& input)
 }
 
 ////////////////////////////////////////////////////////////////////////////////
+// Return the length, in characters, of the input, subtracting color control
+// codes.
+int strippedLength (const std::string& input)
+{
+  int length = input.length ();
+  bool inside = false;
+  int count = 0;
+  for (int i = 0; i < length; ++i)
+  {
+    if (inside)
+    {
+      if (input[i] == 'm')
+        inside = false;
+    }
+    else
+    {
+      if (input[i] == 033)
+        inside = true;
+      else
+        ++count;
+    }
+  }
+
+  return count;
+}
+
+////////////////////////////////////////////////////////////////////////////////

src/util.h

@@ -63,6 +63,7 @@ const std::vector <std::string> extractParents (
 std::string osName ();
 const std::string obfuscateText (const std::string&);
 bool nontrivial (const std::string&);
+int strippedLength (const std::string&);
 
 #endif
 ////////////////////////////////////////////////////////////////////////////////

test/text.t.cpp

@@ -37,14 +37,7 @@ Context context;
 ////////////////////////////////////////////////////////////////////////////////
 int main (int, char**)
 {
-  UnitTest t (5);
+  UnitTest t (0);
-
-  // int strippedLength (const std::string&);
-  t.is (strippedLength (std::string ("")),                                  0, "strippedLength                              -> 0");
-  t.is (strippedLength (std::string ("abc")),                               3, "strippedLength abc                          -> 3");
-  t.is (strippedLength (std::string ("one\033[5;38;255mtwo\033[0mthree")), 11, "strippedLength one^[[5;38;255mtwo^[[0mthree -> 11");
-  t.is (strippedLength (std::string ("\033[0m")),                           0, "strippedLength ^[[0m                        -> 0");
-  t.is (strippedLength (std::string ("\033[1m\033[0m")),                    0, "strippedLength ^[[1m^[[0m                   -> 0");
 
   return 0;
 }

test/util.t.cpp

@@ -36,7 +36,7 @@ Context context;
 ////////////////////////////////////////////////////////////////////////////////
 int main (int, char**)
 {
-  UnitTest t (19);
+  UnitTest t (24);
 
   // Ensure environment has no influence.
   unsetenv ("TASKDATA");
@@ -86,6 +86,13 @@ int main (int, char**)
   t.ok    (nontrivial ("  \t\ta"),                "nontrivial '  \\t\\ta' -> true");
   t.ok    (nontrivial ("a\t\t  "),                "nontrivial 'a\\t\\t  ' -> true");
 
+  // int strippedLength (const std::string&);
+  t.is (strippedLength (std::string ("")),                                  0, "strippedLength                              -> 0");
+  t.is (strippedLength (std::string ("abc")),                               3, "strippedLength abc                          -> 3");
+  t.is (strippedLength (std::string ("one\033[5;38;255mtwo\033[0mthree")), 11, "strippedLength one^[[5;38;255mtwo^[[0mthree -> 11");
+  t.is (strippedLength (std::string ("\033[0m")),                           0, "strippedLength ^[[0m                        -> 0");
+  t.is (strippedLength (std::string ("\033[1m\033[0m")),                    0, "strippedLength ^[[1m^[[0m                   -> 0");
+
   return 0;
 }