| // |
| // Copyright (c) 2011 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| #include "Input.h" |
| |
| #include <algorithm> |
| #include <cassert> |
| #include <cstring> |
| |
| namespace pp |
| { |
| |
| Input::Input() : mCount(0), mString(0) |
| { |
| } |
| |
| Input::Input(int count, const char* const string[], const int length[]) : |
| mCount(count), |
| mString(string) |
| { |
| assert(mCount >= 0); |
| mLength.reserve(mCount); |
| for (int i = 0; i < mCount; ++i) |
| { |
| int len = length ? length[i] : -1; |
| mLength.push_back(len < 0 ? strlen(mString[i]) : len); |
| } |
| } |
| |
| int Input::read(char* buf, int maxSize) |
| { |
| int nRead = 0; |
| while ((nRead < maxSize) && (mReadLoc.sIndex < mCount)) |
| { |
| int size = mLength[mReadLoc.sIndex] - mReadLoc.cIndex; |
| size = std::min(size, maxSize); |
| memcpy(buf + nRead, mString[mReadLoc.sIndex] + mReadLoc.cIndex, size); |
| nRead += size; |
| mReadLoc.cIndex += size; |
| |
| // Advance string if we reached the end of current string. |
| if (mReadLoc.cIndex == mLength[mReadLoc.sIndex]) |
| { |
| ++mReadLoc.sIndex; |
| mReadLoc.cIndex = 0; |
| } |
| } |
| return nRead; |
| } |
| |
| } // namespace pp |
| |