Text Processing

- Implemented splitq, which can handle quoted and oddly-quoted string
  splits.

src/text.cpp

@@ -33,10 +33,10 @@
 #include <string>
 #include <strings.h>
 #include <ctype.h>
-#include "Context.h"
-#include "util.h"
-#include "text.h"
-#include "utf8.h"
+#include <Context.h>
+#include <util.h>
+#include <text.h>
+#include <utf8.h>
 
 extern Context context;
 
@@ -59,6 +59,48 @@ void wrapText (
   }
 }
 
+////////////////////////////////////////////////////////////////////////////////
+void splitq (
+  std::vector<std::string>& results,
+  const std::string& input,
+  const char delimiter)
+{
+  results.clear ();
+
+  std::string::size_type start = 0;
+  std::string::size_type i = 0;
+  std::string word;
+  bool in_quote = false;
+  char quote;
+
+  while (utf8_next_char (input, i))
+  {
+    if (in_quote)
+    {
+      if (input[i] == quote)
+      {
+        in_quote = false;
+      }
+    }
+    else
+    {
+      if (input[i] == delimiter)
+      {
+        results.push_back (unquoteText (input.substr (start, i - start)));
+        start = i + 1;
+      }
+      else if (input[i] == '\'' ||
+               input[i] == '"')
+      {
+        quote = input[i];
+        in_quote = true;
+      }
+    }
+  }
+
+  results.push_back (unquoteText (input.substr (start)));
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 void split (
   std::vector<std::string>& results,