blob: 04e751279ba6fdb2ff04a426082747bead3d0c19 [file] [log] [blame]
// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "starboard/file.h"
#include "starboard/log.h"
#include "starboard/string.h"
namespace {
bool IsUpdate(const char* mode) {
for (const char* m = mode; *m != '\0'; ++m) {
if (*m == '+') {
return true;
}
}
return false;
}
} // namespace
int SbFileModeStringToFlags(const char* mode) {
if (!mode) {
return 0;
}
int length = static_cast<int>(SbStringGetLength(mode));
if (length < 1) {
return 0;
}
int flags = 0;
switch (mode[0]) {
case 'r':
if (IsUpdate(mode + 1)) {
flags |= kSbFileWrite;
}
flags |= kSbFileOpenOnly | kSbFileRead;
break;
case 'w':
if (IsUpdate(mode + 1)) {
flags |= kSbFileRead;
}
flags |= kSbFileCreateAlways | kSbFileWrite;
break;
case 'a':
if (IsUpdate(mode + 1)) {
flags |= kSbFileRead;
}
flags |= kSbFileOpenAlways | kSbFileWrite;
break;
default:
SB_NOTREACHED();
break;
}
return flags;
}