From f2b4cc5873692fc5754e7fc1da2ff73419ef939a Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Mon, 21 Mar 2016 18:52:21 -0400
Subject: [PATCH] Datafile: Added ::load_intervals

---
 src/Datafile.cpp | 29 +++++++++++++++++++++++++++++
 src/Datafile.h   |  5 +++++
 2 files changed, 34 insertions(+)

diff --git a/src/Datafile.cpp b/src/Datafile.cpp
index 4b678b5b..a1909cb7 100644
--- a/src/Datafile.cpp
+++ b/src/Datafile.cpp
@@ -115,6 +115,35 @@ std::string Datafile::dump () const
   return out.str ();
 }
 
+////////////////////////////////////////////////////////////////////////////////
+void Datafile::load_intervals ()
+{
+  if (! _lines_loaded)
+  {
+    load_lines ();
+
+    // Apply previously added lines.
+    for (auto& line : _lines_added)
+      _lines.push_back (line);
+  }
+
+  for (auto& line : _lines)
+  {
+    if (line[0] == 'i')
+    {
+      Interval i;
+      i.initialize (line);
+      _intervals.push_back (i);
+    }
+    else if (line[0] == 'e')
+      ;  // TODO Exclusions.
+    else
+      ;  // TODO Ignore blank lines?
+  }
+
+  _intervals_loaded = true;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 void Datafile::load_lines ()
 {
diff --git a/src/Datafile.h b/src/Datafile.h
index 54c7a806..d1e3586b 100644
--- a/src/Datafile.h
+++ b/src/Datafile.h
@@ -53,6 +53,7 @@ public:
 
 private:
   void load_lines ();
+  void load_intervals ();
 
 private:
   // File representing data.
@@ -65,6 +66,10 @@ private:
   std::vector <std::string> _lines_modified   {};
   bool                      _lines_loaded     {false};
 
+  // Intervals parsed from lines.
+  std::vector <Interval>    _intervals        {};
+  bool                      _intervals_loaded {false};
+
   Datetime                  _day1             {0};
   Datetime                  _dayN             {0};
 };