xpcom/ds/nsManifestLineReader.h@129ffea94266 (annotated)
xpcom/ds/nsManifestLineReader.h
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef nsManifestLineReader_h__ |
| michael@0 | 7 | #define nsManifestLineReader_h__ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nspr.h" |
| michael@0 | 10 | #include "nsDebug.h" |
| michael@0 | 11 | |
| michael@0 | 12 | class nsManifestLineReader |
| michael@0 | 13 | { |
| michael@0 | 14 | public: |
| michael@0 | 15 | nsManifestLineReader() : mBase(nullptr) {} |
| michael@0 | 16 | ~nsManifestLineReader() {} |
| michael@0 | 17 | |
| michael@0 | 18 | void Init(char* base, uint32_t flen) |
| michael@0 | 19 | { |
| michael@0 | 20 | mBase = mCur = mNext = base; |
| michael@0 | 21 | mLength = 0; |
| michael@0 | 22 | mLimit = base + flen; |
| michael@0 | 23 | } |
| michael@0 | 24 | |
| michael@0 | 25 | bool NextLine() |
| michael@0 | 26 | { |
| michael@0 | 27 | if(mNext >= mLimit) |
| michael@0 | 28 | return false; |
| michael@0 | 29 | |
| michael@0 | 30 | mCur = mNext; |
| michael@0 | 31 | mLength = 0; |
| michael@0 | 32 | |
| michael@0 | 33 | while(mNext < mLimit) |
| michael@0 | 34 | { |
| michael@0 | 35 | if(IsEOL(*mNext)) |
| michael@0 | 36 | { |
| michael@0 | 37 | *mNext = '\0'; |
| michael@0 | 38 | for(++mNext; mNext < mLimit; ++mNext) |
| michael@0 | 39 | if(!IsEOL(*mNext)) |
| michael@0 | 40 | break; |
| michael@0 | 41 | return true; |
| michael@0 | 42 | } |
| michael@0 | 43 | ++mNext; |
| michael@0 | 44 | ++mLength; |
| michael@0 | 45 | } |
| michael@0 | 46 | return false; |
| michael@0 | 47 | } |
| michael@0 | 48 | |
| michael@0 | 49 | int ParseLine(char** chunks, int* lengths, int maxChunks) |
| michael@0 | 50 | { |
| michael@0 | 51 | NS_ASSERTION(mCur && maxChunks && chunks, "bad call to ParseLine"); |
| michael@0 | 52 | int found = 0; |
| michael@0 | 53 | chunks[found++] = mCur; |
| michael@0 | 54 | |
| michael@0 | 55 | if(found < maxChunks) |
| michael@0 | 56 | { |
| michael@0 | 57 | char *lastchunk = mCur; |
| michael@0 | 58 | int *lastlength = lengths; |
| michael@0 | 59 | for(char* cur = mCur; *cur; cur++) |
| michael@0 | 60 | { |
| michael@0 | 61 | if(*cur == ',') |
| michael@0 | 62 | { |
| michael@0 | 63 | *cur = 0; |
| michael@0 | 64 | // always fill in the previous chunk's length |
| michael@0 | 65 | *lastlength++ = cur - lastchunk; |
| michael@0 | 66 | chunks[found++] = lastchunk = cur+1; |
| michael@0 | 67 | if(found == maxChunks) |
| michael@0 | 68 | break; |
| michael@0 | 69 | } |
| michael@0 | 70 | } |
| michael@0 | 71 | // crazy pointer math - calculate the length of the final chunk |
| michael@0 | 72 | *lastlength = (mCur + mLength) - lastchunk; |
| michael@0 | 73 | } |
| michael@0 | 74 | return found; |
| michael@0 | 75 | } |
| michael@0 | 76 | |
| michael@0 | 77 | char* LinePtr() {return mCur;} |
| michael@0 | 78 | uint32_t LineLength() {return mLength;} |
| michael@0 | 79 | |
| michael@0 | 80 | bool IsEOL(char c) {return c == '\n' || c == '\r';} |
| michael@0 | 81 | private: |
| michael@0 | 82 | char* mCur; |
| michael@0 | 83 | uint32_t mLength; |
| michael@0 | 84 | char* mNext; |
| michael@0 | 85 | char* mBase; |
| michael@0 | 86 | char* mLimit; |
| michael@0 | 87 | }; |
| michael@0 | 88 | |
| michael@0 | 89 | #endif |
