Enhancement

- Broke the indentTree function into two pieces - one that processes
  a list, the other that processes a single item.  This makes it more
  efficient for use places that have only one element.

src/util.cpp

@@ -588,24 +588,25 @@ const std::vector<std::string> indentTree (
   std::vector <std::string> modified;
   std::vector <std::string>::const_iterator i;
   for (i = values.begin (); i != values.end (); ++i)
-  {
+    modified.push_back (indentProject (*i, whitespace, delimiter));
-    // Count the delimiters in *i.
-    int count = 0;
-    std::string::size_type pos = 0;
-    while ((pos = i->find (delimiter, pos + 1)) != std::string::npos)
-      ++count;
-
-    // Construct a prefix string which is a concatenated set of whitespace
-    // strings.
-    std::string prefix;
-    for (int indent = 0; indent < count; ++indent)
-      prefix += whitespace;
-
-    modified.push_back (prefix + *i);
-  }
 
   return modified;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
+const std::string indentProject (
+  const std::string& project,
+  const std::string& whitespace /* = "  " */,
+  char delimiter /* = '.' */)
+{
+  // Count the delimiters in *i.
+  std::string prefix = "";
+  std::string::size_type pos = 0;
+  while ((pos = project.find (delimiter, pos + 1)) != std::string::npos)
+    prefix += whitespace;
+
+  return prefix + project;
+}
+
+////////////////////////////////////////////////////////////////////////////////
 

src/util.h

@@ -77,7 +77,12 @@ const std::string escape (const std::string&, char);
 const std::vector<std::string> indentTree (
   const std::vector<std::string>&,
   const std::string& whitespace = "  ",
-  char delimiter='.');
+  char delimiter = '.');
+
+const std::string indentProject (
+  const std::string&,
+  const std::string& whitespace = "  ",
+  char delimiter = '.');
 
 #endif
 ////////////////////////////////////////////////////////////////////////////////

test/util.t.cpp

@@ -35,7 +35,7 @@ Context context;
 ////////////////////////////////////////////////////////////////////////////////
 int main (int argc, char** argv)
 {
-  UnitTest t (36);
+  UnitTest t (40);
 
   // TODO bool confirm (const std::string&);
   // TODO int confirm3 (const std::string&);
@@ -129,6 +129,12 @@ int main (int argc, char** argv)
   t.is (structured[3], "  one.four",        "indentTree 'one.four'      -> '  one.four'");
   t.is (structured[4], "two",               "indentTree 'two'           -> 'two'");
 
+  // std::vector<std::string> indentProject (const std::string&, const std::string whitespace="  ", char delimiter='.');
+  t.is (indentProject (""),              "",                  "indentProject '' -> ''");
+  t.is (indentProject ("one"),           "one",               "indentProject 'one' -> 'one'");
+  t.is (indentProject ("one.two"),       "  one.two",         "indentProject 'one.two' -> '  one.two'");
+  t.is (indentProject ("one.two.three"), "    one.two.three", "indentProject 'one.two.three' -> '    one.two.three'");
+
   // TODO const std::string encode (const std::string& value);
   // TODO const std::string decode (const std::string& value);