/*
   +----------------------------------------------------------------------+
   | HipHop for PHP                                                       |
   +----------------------------------------------------------------------+
   | Copyright (c) 2010- Facebook, Inc. (http://www.facebook.com)         |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
*/

#include <runtime/base/file/file_stream_wrapper.h>
#include <runtime/base/file/plain_file.h>
#include <runtime/base/server/static_content_cache.h>
#include <memory>

namespace HPHP {
///////////////////////////////////////////////////////////////////////////////

MemFile* FileStreamWrapper::openFromCache(CStrRef filename, CStrRef mode) {
  if (!StaticContentCache::TheFileCache) {
    return nullptr;
  }

  String relative =
    FileCache::GetRelativePath(File::TranslatePath(filename).c_str());
  std::unique_ptr<MemFile> file(NEWOBJ(MemFile)());
  bool ret = file->open(relative, mode);
  if (ret) {
    return file.release();
  }
  return nullptr;
}

File* FileStreamWrapper::open(CStrRef filename, CStrRef mode,
                              int options, CVarRef context) {
  String fname =
    !strncmp(filename.data(), "file://", sizeof("file://") - 1)
    ? filename.substr(sizeof("file://") - 1) : filename;

  if (MemFile *file = openFromCache(fname, mode)) {
    return file;
  }

  std::unique_ptr<PlainFile> file(NEWOBJ(PlainFile)());
  bool ret = file->open(File::TranslatePath(fname), mode);
  if (!ret) {
    raise_warning("%s", file->getLastError().c_str());
    return nullptr;
  }
  return file.release();
}

///////////////////////////////////////////////////////////////////////////////
}