updated to use mozilla/base from nsFileStream

git-svn-id: svn://10.0.0.236/trunk@20346 18797224-902f-48f8-a5cc-f745e15eee43
1999-02-11 03:07:05 +00:00
parent 88333318d6
commit bcfa0713ea
1 changed files with 128 additions and 0 deletions
--- a/mozilla/network/cache/nu/src/nsCacheFileStream.cpp
+++ b/mozilla/network/cache/nu/src/nsCacheFileStream.cpp
@@ -0,0 +1,128 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1998
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+
+/*
+ * Updated to use mozilla/base nsFileStream class - spence 02/10/99
+ */
+
+#include "nsCacheFileStream.h"
+#include "plstr.h"
+#include "prlog.h"
+#ifdef XP_UNIX
+#include "prio.h"
+#include "sys/param.h"
+#include "prsystem.h"
+#endif
+
+nsCacheFileStream::nsCacheFileStream(const char* i_Filename):m_pFile(0),m_pFilename(0)
+{
+    PR_ASSERT(i_Filename);
+    if (i_Filename)
+    {
+        m_pFilename = new char[PL_strlen(i_Filename)+1];
+        PL_strcpy(m_pFilename, i_Filename);
+        Open();
+    }
+}
+
+nsCacheFileStream::~nsCacheFileStream()
+{
+    if (m_pFilename)
+    {
+        delete[] m_pFilename;
+        m_pFilename = 0;
+    }
+    if (m_pFile)
+        m_pFile->close();
+}
+
+/*
+nsrefcnt nsCacheFileStream::AddRef(void)
+{
+    return ++m_RefCnt;
+}
+nsrefcnt nsCacheFileStream::Release(void)
+{
+    if (--m_RefCnt == 0)
+    {
+        delete this;
+        return 0;
+    }
+    return m_RefCnt;
+}
+
+nsresult nsCacheFileStream::QueryInterface(const nsIID& aIID,
+                                        void** aInstancePtrResult)
+{
+    return NS_OK;
+}
+*/
+
+PRBool nsCacheFileStream::Open()
+{
+    if (m_pFile)
+        m_pFile->close();
+    PR_ASSERT(m_pFilename);
+    if (m_pFilename)
+    {
+	/* does 'browser.cache.directory/<subdir>' exist? */
+	char *cacheDir = new char [MAXPATHLEN];
+	PRFileInfo dir;
+
+	int slash = PL_strrchr (m_pFilename, PR_GetDirectorySeparator())
+							- m_pFilename + 1;
+	PL_strncpyz (cacheDir, m_pFilename, slash);
+
+	PRStatus status = PR_GetFileInfo (cacheDir, &dir);
+	if (PR_FAILURE == status) {
+	    status = PR_MkDir(cacheDir, 0600);
+	    if (PR_SUCCESS != status) {
+		return PR_FALSE;
+	    }
+	}
+
+	nsFilePath ioPath (m_pFilename);
+	m_pFile = new nsIOFileStream (ioPath, PR_CREATE_FILE | PR_RDWR, 0600);
+
+        PR_ASSERT(m_pFile);
+        if (m_pFile)
+            return PR_TRUE;
+    }
+    return PR_FALSE;
+}
+
+PRInt32 nsCacheFileStream::Read(void* o_Buffer, PRUint32 i_Len)
+{
+    if (!m_pFile && !Open())
+        return 0;
+    return m_pFile->read((void *)o_Buffer, i_Len);
+}
+
+void nsCacheFileStream::Reset()
+{
+    Open();
+}
+
+PRInt32 nsCacheFileStream::Write(const void* i_Buffer, PRUint32 i_Len)
+{
+    if (!m_pFile && !Open())
+        return 0;
+    return m_pFile->write((void *)i_Buffer, i_Len);
+}
+