1 files changed, 29 insertions, 3 deletions
diff --git a/src/buffer_manager.cc b/src/buffer_manager.cc
index 32d03fc1..35f0fcde 100644
--- a/src/buffer_manager.cc
+++ b/src/buffer_manager.cc
@@ -7,6 +7,7 @@
 #include "file.hh"
 #include "ranges.hh"
 #include "string.hh"
+#include "regex.hh"
 
 namespace Kakoune
 {
@@ -34,7 +35,7 @@ Buffer* BufferManager::create_buffer(String name, Buffer::Flags flags, BufferLin
             throw runtime_error{"buffer name is already in use"};
     }
 
-    m_buffers.push_back(std::make_unique<Buffer>(std::move(name), flags, lines, bom, eolformat, fs_status));
+    m_buffers.push_back(std::make_unique<Buffer>(std::move(name), flags, std::move(lines), bom, eolformat, fs_status));
     auto* buffer = m_buffers.back().get();
     buffer->on_registered();
 
@@ -79,12 +80,30 @@ Buffer& BufferManager::get_buffer(StringView name)
     return *res;
 }
 
+Buffer* BufferManager::get_buffer_matching_ifp(const Regex& regex)
+{
+    for (auto& buf : m_buffers | reverse())
+    {
+        if (StringView name = buf->name(); regex_match(name.begin(), name.end(), regex))
+            return buf.get();
+    }
+    return nullptr;
+}
+
+Buffer& BufferManager::get_buffer_matching(const Regex& regex)
+{
+    Buffer* res = get_buffer_matching_ifp(regex);
+    if (not res)
+        throw runtime_error{format("no buffer matching '{}'", regex.str())};
+    return *res;
+}
+
 Buffer& BufferManager::get_first_buffer()
 {
     if (all_of(m_buffers, [](auto& b) { return (b->flags() & Buffer::Flags::Debug); }))
         create_buffer("*scratch*", Buffer::Flags::None,
-                      {StringData::create({"*** this is a *scratch* buffer which won't be automatically saved ***\n"}),
-                       StringData::create({"*** use it for notes or open a file buffer with the :edit command ***\n"})},
+                      {StringData::create("*** this is a *scratch* buffer which won't be automatically saved ***\n"),
+                       StringData::create("*** use it for notes or open a file buffer with the :edit command ***\n")},
                       ByteOrderMark::None, EolFormat::Lf, {InvalidTime, {}, {}});
 
     return *m_buffers.back();
@@ -130,4 +149,11 @@ void BufferManager::arrange_buffers(ConstArrayView<String> first_ones)
     m_buffers = std::move(res);
 }
 
+void BufferManager::make_latest(Buffer& buffer)
+{
+    auto it = find(m_buffers, &buffer);
+    kak_assert(it != m_buffers.end());
+    std::rotate(it, it+1, m_buffers.end());
+}
+
 }