From 5ec26979d2547b7444c4e1f00aa76d86d22f4c84 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 21 Jul 2012 11:56:23 +0100
Subject: Return title number from dvd_titles().

---
 src/lib/copy_from_dvd_job.cc | 10 +++++-----
 src/lib/dvd.cc               | 31 ++++++++++++++++++++++++-------
 src/lib/dvd.h                | 14 +++++++++++++-
 3 files changed, 42 insertions(+), 13 deletions(-)

(limited to 'src/lib')

diff --git a/src/lib/copy_from_dvd_job.cc b/src/lib/copy_from_dvd_job.cc
index b82169ad1..55259eb1e 100644
--- a/src/lib/copy_from_dvd_job.cc
+++ b/src/lib/copy_from_dvd_job.cc
@@ -58,7 +58,7 @@ CopyFromDVDJob::run ()
 		set_state (FINISHED_ERROR);
 	}
 
-	vector<uint64_t> const t = dvd_titles (dvd);
+	list<DVDTitle> const t = dvd_titles (dvd);
 	if (t.empty ()) {
 		set_error ("no titles found on DVD");
 		set_state (FINISHED_ERROR);
@@ -66,10 +66,10 @@ CopyFromDVDJob::run ()
 
 	int longest_title = 0;
 	uint64_t longest_size = 0;
-	for (vector<int>::size_type i = 0; i < t.size(); ++i) {
-		if (longest_size < t[i]) {
-			longest_size = t[i];
-			longest_title = i;
+	for (list<DVDTitle>::const_iterator i = t.begin(); i != t.end(); ++i) {
+		if (longest_size < i->size) {
+			longest_size = i->size;
+			longest_title = i->number;
 		}
 	}
 
diff --git a/src/lib/dvd.cc b/src/lib/dvd.cc
index 629ba1ac8..19b59b588 100644
--- a/src/lib/dvd.cc
+++ b/src/lib/dvd.cc
@@ -20,6 +20,7 @@
 #include <fstream>
 #include <boost/filesystem.hpp>
 #include <boost/algorithm/string.hpp>
+#include "dvd.h"
 
 using namespace std;
 using namespace boost;
@@ -42,13 +43,13 @@ find_dvd ()
 	return "";
 }
 
-vector<uint64_t>
+list<DVDTitle>
 dvd_titles (string dvd)
 {
 	filesystem::path video (dvd);
 	video /= "VIDEO_TS";
 
-	vector<uint64_t> sizes;
+	list<DVDTitle> titles;
 	
 	for (filesystem::directory_iterator i = filesystem::directory_iterator (video); i != filesystem::directory_iterator(); ++i) {
 #if BOOST_FILESYSTEM_VERSION == 3		
@@ -63,16 +64,32 @@ dvd_titles (string dvd)
 			if (p.size() == 4) {
 				int const a = atoi (p[1].c_str ());
 				int const b = atoi (p[2].c_str ());
-				while (a >= int (sizes.size())) {
-					sizes.push_back (0);
+				if (b == 0) {
+					continue;
 				}
 
-				if (b > 0) {
-					sizes[a] += size;
+				list<DVDTitle>::iterator j = titles.begin ();
+				while (j != titles.end() && j->number != a) {
+					++j;
+				}
+
+				if (j == titles.end ()) {
+					titles.push_back (DVDTitle (a, size));
+				} else {
+					j->size += size;
 				}
 			}
 		}
 	}
+
+	titles.sort ();
 					
-	return sizes;		
+	return titles;
+}
+
+
+bool
+operator< (DVDTitle const & a, DVDTitle const & b)
+{
+	return a.number < b.number;
 }
diff --git a/src/lib/dvd.h b/src/lib/dvd.h
index 170472121..d3f6043ce 100644
--- a/src/lib/dvd.h
+++ b/src/lib/dvd.h
@@ -17,5 +17,17 @@
 
 */
 
-extern std::vector<uint64_t> dvd_titles (std::string);
+class DVDTitle
+{
+public:
+	DVDTitle () : number (-1), size (0) {}
+	DVDTitle (int n, int s)	: number (n), size (s) {}
+	
+	int number;
+	uint64_t size;
+};
+
+extern bool operator< (DVDTitle const &, DVDTitle const &);
+
+extern std::list<DVDTitle> dvd_titles (std::string);
 extern std::string find_dvd ();
-- 
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