From 1136b8fcdc59da033bb073795fe0d7c99732cbeb Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Wed, 29 Oct 2014 23:42:53 -0400
Subject: [PATCH] CLI

- Implemented ::isIDSequence.
---
 src/CLI.cpp | 36 ++++++++++++++++++++++++++++++++++++
 src/CLI.h   |  1 +
 2 files changed, 37 insertions(+)

diff --git a/src/CLI.cpp b/src/CLI.cpp
index 1d540ba4b..56e18946a 100644
--- a/src/CLI.cpp
+++ b/src/CLI.cpp
@@ -485,6 +485,7 @@ void CLI::addArg (const std::string& arg)
       isConfigOverride (arg) ||
       isUUIDList       (arg) ||
       isUUID           (arg) ||
+      isIDSequence     (arg) ||
       isID             (arg) ||
       isPattern        (arg) ||
       isSubstitution   (arg))
@@ -1741,6 +1742,41 @@ bool CLI::isUUID (const std::string& raw) const
   return false;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+bool CLI::isIDSequence (const std::string& raw) const
+{
+  if (raw.find_first_not_of ("0123456789,-") == std::string::npos)
+  {
+    // Split the ID list into elements.
+    std::vector <std::string> elements;
+    split (elements, raw, ',');
+
+    std::vector <std::string>::iterator e;
+    for (e = elements.begin (); e != elements.end (); ++e)
+    {
+      // Split the ID range into min/max.
+      std::vector <std::string> terms;
+      split (terms, *e, '-');
+
+      if (terms.size () == 1 &&
+          ! isID (terms[0]))
+        return false;
+
+      else if (terms.size () == 2 &&
+          (! isID (terms[0]) ||
+           ! isID (terms[1])))
+        return false;
+
+      else if (terms.size () > 2)
+        return false;
+    }
+
+    return true;
+  }
+
+  return false;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 bool CLI::isID (const std::string& raw) const
 {
diff --git a/src/CLI.h b/src/CLI.h
index 077b1534e..9ac5d777a 100644
--- a/src/CLI.h
+++ b/src/CLI.h
@@ -102,6 +102,7 @@ private:
   bool isConfigOverride (const std::string&) const;
   bool isUUIDList (const std::string&) const;
   bool isUUID (const std::string&) const;
+  bool isIDSequence (const std::string&) const;
   bool isID (const std::string&) const;
   bool isPattern (const std::string&) const;
   bool isSubstitution (const std::string&) const;