| // 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; |
| } |