From 2e7cd2233ce449a51756c180432635eb1aee20f3 Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Fri, 30 Mar 2012 12:00:40 +0000
Subject: [PATCH] add a Line::length method

---
 src/buffer.cc              | 6 +++---
 src/buffer.hh              | 2 ++
 src/buffer_iterator.inl.hh | 4 ++--
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/buffer.cc b/src/buffer.cc
index 754167125..1c37e2f24 100644
--- a/src/buffer.cc
+++ b/src/buffer.cc
@@ -100,14 +100,14 @@ BufferIterator Buffer::end() const
 {
     if (m_lines.empty())
         return BufferIterator(*this, { 0, 0 });
-    return BufferIterator(*this, { (int)line_count()-1, (int)m_lines.back().content.length() });
+    return BufferIterator(*this, { (int)line_count()-1, (int)m_lines.back().length() });
 }
 
 BufferSize Buffer::length() const
 {
     if (m_lines.empty())
         return 0;
-    return m_lines.back().start + m_lines.back().content.length();
+    return m_lines.back().start + m_lines.back().length();
 }
 
 BufferSize Buffer::line_count() const
@@ -190,7 +190,7 @@ void Buffer::check_invariant() const
     for (auto& line : m_lines)
     {
         assert(line.start == start);
-        start += line.content.length();
+        start += line.length();
     }
 }
 
diff --git a/src/buffer.hh b/src/buffer.hh
index 526110fd4..83e5ffc74 100644
--- a/src/buffer.hh
+++ b/src/buffer.hh
@@ -182,6 +182,8 @@ private:
     {
         BufferPos start;
         String    content;
+
+        size_t length() const { return content.length(); }
     };
     std::vector<Line> m_lines;
 
diff --git a/src/buffer_iterator.inl.hh b/src/buffer_iterator.inl.hh
index fa9e8f672..1ad3e25f5 100644
--- a/src/buffer_iterator.inl.hh
+++ b/src/buffer_iterator.inl.hh
@@ -22,10 +22,10 @@ inline bool BufferIterator::is_valid() const
 {
     return m_buffer and
            ((line() < m_buffer->line_count() and
-             column() < m_buffer->m_lines[line()].content.length()) or
+             column() < m_buffer->m_lines[line()].length()) or
             ((line() == m_buffer->line_count() and column() == 0)) or
              (line() == m_buffer->line_count() - 1 and
-              column() == m_buffer->m_lines.back().content.length()));
+              column() == m_buffer->m_lines.back().length()));
 }
 
 inline BufferIterator& BufferIterator::operator=(const BufferIterator& iterator)