-// Copyright (c) 2015 Ryan Prichard
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to
-// deal in the Software without restriction, including without limitation the
-// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-// sell copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-// IN THE SOFTWARE.
-
-#include "LargeConsoleRead.h"
-
-#include <stdlib.h>
-
-#include "../shared/WindowsVersion.h"
-#include "Scraper.h"
-#include "Win32ConsoleBuffer.h"
-
-LargeConsoleReadBuffer::LargeConsoleReadBuffer() :
- m_rect(0, 0, 0, 0), m_rectWidth(0)
-{
-}
-
-void largeConsoleRead(LargeConsoleReadBuffer &out,
- Win32ConsoleBuffer &buffer,
- const SmallRect &readArea,
- WORD attributesMask) {
- ASSERT(readArea.Left >= 0 &&
- readArea.Top >= 0 &&
- readArea.Right >= readArea.Left &&
- readArea.Bottom >= readArea.Top &&
- readArea.width() <= MAX_CONSOLE_WIDTH);
- const size_t count = readArea.width() * readArea.height();
- if (out.m_data.size() < count) {
- out.m_data.resize(count);
- }
- out.m_rect = readArea;
- out.m_rectWidth = readArea.width();
-
- static const bool useLargeReads = isAtLeastWindows8();
- if (useLargeReads) {
- buffer.read(readArea, out.m_data.data());
- } else {
- const int maxReadLines = std::max(1, MAX_CONSOLE_WIDTH / readArea.width());
- int curLine = readArea.Top;
- while (curLine <= readArea.Bottom) {
- const SmallRect subReadArea(
- readArea.Left,
- curLine,
- readArea.width(),
- std::min(maxReadLines, readArea.Bottom + 1 - curLine));
- buffer.read(subReadArea, out.lineDataMut(curLine));
- curLine = subReadArea.Bottom + 1;
- }
- }
- if (attributesMask != static_cast<WORD>(~0)) {
- for (size_t i = 0; i < count; ++i) {
- out.m_data[i].Attributes &= attributesMask;
- }
- }
-}