1 files changed, 125 insertions, 0 deletions
diff --git a/lldb/source/Target/PathMappingList.cpp b/lldb/source/Target/PathMappingList.cpp
new file mode 100644
index 00000000000..02ca0671ca0
--- /dev/null
+++ b/lldb/source/Target/PathMappingList.cpp
@@ -0,0 +1,125 @@
+//===-- PathMappingList.cpp -------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+#include "lldb/Core/Error.h"
+#include "lldb/Core/Stream.h"
+// Project includes
+#include "PathMappingList.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// PathMappingList constructor
+//----------------------------------------------------------------------
+PathMappingList::PathMappingList 
+(
+    ChangedCallback callback,
+    void *callback_baton
+) :
+    m_pairs (),
+    m_callback (callback),
+    m_callback_baton (callback_baton)
+{
+}
+
+//----------------------------------------------------------------------
+// Destructor
+//----------------------------------------------------------------------
+PathMappingList::~PathMappingList ()
+{
+}
+
+void
+PathMappingList::Append (const ConstString &path,
+                         const ConstString &replacement,
+                         bool notify)
+{
+    m_pairs.push_back(pair(path, replacement));
+    if (notify && m_callback)
+        m_callback (*this, m_callback_baton);
+}
+
+void
+PathMappingList::Insert (const ConstString &path,
+                         const ConstString &replacement,
+                         uint32_t index,
+                         bool notify)
+{
+    iterator insert_iter;
+    if (index >= m_pairs.size())
+        insert_iter = m_pairs.end();
+    else
+        insert_iter = m_pairs.begin() + index;
+    m_pairs.insert(insert_iter, pair(path, replacement));
+    if (notify && m_callback)
+        m_callback (*this, m_callback_baton);
+}
+
+bool
+PathMappingList::Remove (off_t index, bool notify)
+{
+    if (index >= m_pairs.size())
+        return false;
+
+    iterator iter = m_pairs.begin() + index;
+    m_pairs.erase(iter);
+    if (notify && m_callback)
+        m_callback (*this, m_callback_baton);
+    return true;
+}
+
+void
+PathMappingList::Dump (Stream *s)
+{
+    unsigned int numPairs = m_pairs.size();
+    unsigned int index;
+
+    for (index = 0; index < numPairs; ++index)
+    {
+        s->Printf("[%d] \"%s\" -> \"%s\"\n",
+                  index, m_pairs[index].first.GetCString(), m_pairs[index].second.GetCString());
+    }
+}
+
+void
+PathMappingList::Clear (bool notify)
+{
+    m_pairs.clear();
+    if (notify && m_callback)
+        m_callback (*this, m_callback_baton);
+}
+
+size_t
+PathMappingList::GetSize ()
+{
+    return m_pairs.size();
+}
+
+bool
+PathMappingList::RemapPath (const ConstString &path, ConstString &new_path)
+{
+    const_iterator pos, end = m_pairs.end();
+    for (pos = m_pairs.begin(); pos != end; ++pos)
+    {
+        const size_t prefixLen = pos->first.GetLength();
+
+        if (::strncmp (pos->first.GetCString(), path.GetCString(), prefixLen) == 0)
+        {
+            std::string new_path_str (pos->second.GetCString());
+            new_path_str.append(path.GetCString() + prefixLen);
+            new_path.SetCString(new_path_str.c_str());
+            return true;
+        }
+    }
+    return false;
+}