From cf14bd04704a9bba847def6d0f6555ed33350176 Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Fri, 20 Jun 2014 07:25:59 -0400
Subject: [PATCH] Text

- Migrated some utility functions over from Taskwarrior.
---
 src/text.cpp | 31 +++++++++++++++++++++++++++++++
 src/text.h   |  2 ++
 2 files changed, 33 insertions(+)

diff --git a/src/text.cpp b/src/text.cpp
index 5f58cd0..33243ae 100644
--- a/src/text.cpp
+++ b/src/text.cpp
@@ -27,6 +27,7 @@
 #include <cmake.h>
 #include <vector>
 #include <string>
+#include <strings.h>
 
 static void replace_positional (std::string&, const std::string&, const std::string&);
 
@@ -78,6 +79,36 @@ std::string lowerCase (const std::string& input)
   return output;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+bool compare (
+  const std::string& left,
+  const std::string& right,
+  bool sensitive /*= true*/)
+{
+  // Use strcasecmp if required.
+  if (!sensitive)
+    return strcasecmp (left.c_str (), right.c_str ()) == 0 ? true : false;
+
+  // Otherwise, just use std::string::operator==.
+  return left == right;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+bool closeEnough (
+  const std::string& reference,
+  const std::string& attempt,
+  unsigned int minLength /* = 0 */)
+{
+  if (compare (reference, attempt, false))
+    return true;
+
+  if (attempt.length () < reference.length () &&
+      attempt.length () >= minLength)
+    return compare (reference.substr (0, attempt.length ()), attempt, false);
+
+  return false;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 static void replace_positional (
   std::string& fmt,
diff --git a/src/text.h b/src/text.h
index 29f11f1..6d5cbec 100644
--- a/src/text.h
+++ b/src/text.h
@@ -35,6 +35,8 @@ std::string trimRight (const std::string& in, const std::string& t = " ");
 std::string trim (const std::string& in, const std::string& t = " ");
 void split (std::vector<std::string>&, const std::string&, const char);
 std::string lowerCase (const std::string&);
+bool compare (const std::string&, const std::string&, bool sensitive = true);
+bool closeEnough (const std::string&, const std::string&, unsigned int minLength = 0);
 const std::string format (const std::string&, const std::string&);
 
 #endif