Initial checkin of lldb code from internal Apple repo.

llvm-svn: 105619

lldb/source/Core/StreamFile.cpp

@@ -0,0 +1,132 @@
+//===-- StreamFile.cpp ------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Core/StreamFile.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+
+using namespace lldb;
+using namespace lldb_private;
+
+//----------------------------------------------------------------------
+// StreamFile constructor
+//----------------------------------------------------------------------
+StreamFile::StreamFile () :
+    Stream (),
+    m_file (NULL),
+    m_path_name (),
+    m_close_file (false)
+{
+}
+
+StreamFile::StreamFile(uint32_t flags, uint32_t addr_size, ByteOrder byte_order, FILE *f) :
+    Stream (flags, addr_size, byte_order),
+    m_file(f),
+    m_path_name (),
+    m_close_file(false)
+{
+}
+
+StreamFile::StreamFile(FILE *f) :
+    Stream (),
+    m_file(f),
+    m_path_name (),
+    m_close_file(false)
+{
+}
+
+StreamFile::StreamFile(uint32_t flags, uint32_t addr_size, ByteOrder byte_order, const char *path, const char *permissions) :
+    Stream (flags, addr_size, byte_order),
+    m_file (NULL),
+    m_path_name (path),
+    m_close_file(false)
+{
+    Open(path, permissions);
+}
+
+StreamFile::StreamFile(const char *path, const char *permissions) :
+    Stream (),
+    m_file (NULL),
+    m_path_name (path),
+    m_close_file(false)
+{
+    Open(path, permissions);
+}
+
+
+StreamFile::~StreamFile()
+{
+    Close ();
+}
+
+void
+StreamFile::Close ()
+{
+    if (m_close_file && m_file != NULL)
+        ::fclose (m_file);
+    m_file = NULL;
+    m_close_file = false;
+}
+
+bool
+StreamFile::Open (const char *path, const char *permissions)
+{
+    Close();
+    if (path && path[0])
+    {
+        if ((m_path_name.size() == 0)
+            || (m_path_name.compare(path) != 0))
+            m_path_name = path;
+        m_file = ::fopen (path, permissions);
+        if (m_file != NULL)
+            m_close_file = true;
+    }
+    return m_file != NULL;
+}
+
+void
+StreamFile::Flush ()
+{
+    if (m_file)
+        ::fflush (m_file);
+}
+
+int
+StreamFile::Write (const void *s, size_t length)
+{
+    if (m_file)
+        return ::fwrite (s, 1, length, m_file);
+    return 0;
+}
+
+FILE *
+StreamFile::GetFileHandle()
+{
+    return m_file;
+}
+
+void
+StreamFile::SetFileHandle (FILE *file, bool close_file)
+{
+    Close();
+    m_file = file;
+    m_close_file = close_file;
+}
+
+const char *
+StreamFile::GetFilePathname ()
+{
+    if (m_path_name.size() == 0)
+        return NULL;
+    else
+        return m_path_name.c_str();
+}