69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
// Copyright (C) 2013 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Core/InputStream.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Core/String.hpp>
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#include <cstring>
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#include <Nazara/Core/Debug.hpp>
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NzInputStream::~NzInputStream() = default;
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NzString NzInputStream::ReadLine(unsigned int lineSize)
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{
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NzString line;
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if (lineSize == 0) // Taille maximale indéterminée
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{
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const unsigned int bufferSize = 64;
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char buffer[bufferSize+1];
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buffer[bufferSize] = '\0';
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unsigned int readSize;
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do
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{
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readSize = Read(buffer, bufferSize);
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const char* ptr = std::strchr(buffer, '\n');
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if (ptr)
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{
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unsigned int pos = ptr-buffer;
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if (m_streamOptions & nzStreamOption_Text && pos > 0 && buffer[pos-1] == '\r')
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line.Append(buffer, pos-1);
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else
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line.Append(buffer, pos);
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if (!SetCursorPos(GetCursorPos() - readSize + pos + 1))
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NazaraWarning("Failed to reset cursos pos");
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break;
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}
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else
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line.Append(buffer, readSize);
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}
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while (readSize == bufferSize);
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}
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else
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{
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line.Resize(lineSize);
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unsigned int readSize = Read(&line[0], lineSize);
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unsigned int pos = line.Find('\n');
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if (pos <= readSize) // Forcément trouvé, npos étant le plus grand des entiers
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{
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if (m_streamOptions & nzStreamOption_Text && pos > 0 && line[pos-1] == '\r')
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line.Resize(pos);
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else
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line.Resize(pos+1);
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if (!SetCursorPos(GetCursorPos() - readSize + pos + 1))
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NazaraWarning("Failed to reset cursos pos");
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}
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else
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line.Resize(readSize);
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}
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return line;
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}
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