The Tor Browser / file comparison
comparison: gfx/angle/src/compiler/preprocessor/Input.cpp
gfx/angle/src/compiler/preprocessor/Input.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
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replaced
| -1:000000000000 | 0:140fee41aac4 |
|---|---|
| 1 // | |
| 2 // Copyright (c) 2011 The ANGLE Project Authors. All rights reserved. | |
| 3 // Use of this source code is governed by a BSD-style license that can be | |
| 4 // found in the LICENSE file. | |
| 5 // | |
| 6 | |
| 7 #include "Input.h" | |
| 8 | |
| 9 #include <algorithm> | |
| 10 #include <cassert> | |
| 11 #include <cstring> | |
| 12 | |
| 13 namespace pp | |
| 14 { | |
| 15 | |
| 16 Input::Input() : mCount(0), mString(0) | |
| 17 { | |
| 18 } | |
| 19 | |
| 20 Input::Input(size_t count, const char* const string[], const int length[]) : | |
| 21 mCount(count), | |
| 22 mString(string) | |
| 23 { | |
| 24 mLength.reserve(mCount); | |
| 25 for (size_t i = 0; i < mCount; ++i) | |
| 26 { | |
| 27 int len = length ? length[i] : -1; | |
| 28 mLength.push_back(len < 0 ? std::strlen(mString[i]) : len); | |
| 29 } | |
| 30 } | |
| 31 | |
| 32 size_t Input::read(char* buf, size_t maxSize) | |
| 33 { | |
| 34 size_t nRead = 0; | |
| 35 while ((nRead < maxSize) && (mReadLoc.sIndex < mCount)) | |
| 36 { | |
| 37 size_t size = mLength[mReadLoc.sIndex] - mReadLoc.cIndex; | |
| 38 size = std::min(size, maxSize); | |
| 39 std::memcpy(buf + nRead, mString[mReadLoc.sIndex] + mReadLoc.cIndex, size); | |
| 40 nRead += size; | |
| 41 mReadLoc.cIndex += size; | |
| 42 | |
| 43 // Advance string if we reached the end of current string. | |
| 44 if (mReadLoc.cIndex == mLength[mReadLoc.sIndex]) | |
| 45 { | |
| 46 ++mReadLoc.sIndex; | |
| 47 mReadLoc.cIndex = 0; | |
| 48 } | |
| 49 } | |
| 50 return nRead; | |
| 51 } | |
| 52 | |
| 53 } // namespace pp | |
| 54 |
