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Core/Stream: Fix ReadLine 

Former-commit-id: 81e89bb4b11264371d7cbcf9cf5275ec0ce3f7ba [formerly 8ac037f30540faebc51efa5953fc01d9659a1f19] [formerly b599cef23b34132171373aee1cca81daf259b65e [formerly 053ef5248717e56f5e943f6dbdddf8092ae9dda2]]
Former-commit-id: c14803c0471a6bfa347f0f512886dae2d8cc7871 [formerly dc174bdb2cb49e68b57b85267ac72178d7e202af]
Former-commit-id: 815fe25a962845d091de7a02a0c0ff2e62f45b51
This commit is contained in:
Lynix 2016-09-26 12:35:16 +02:00
parent c087d916a1
commit 8c7dee81e8
1 changed files with 32 additions and 13 deletions
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45
src/Nazara/Core/Stream.cpp
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@ -44,14 +44,19 @@ namespace Nz
}
/*!
* \brief Reads characters in the stream
* \brief Reads a line from the stream
*
* Reads the stream until a line separator or the end of the stream is found.
*
* If lineSize does not equal zero, it represents the maximum character count to be read from the stream.
*
* \param lineSize Maximum number of characters to read, or zero for no limit
*
* \return Line containing characters
*
* \param lineSize Number of characters to read, if lineSize is 0, read as much as possible
*
* \remark Produces a NazaraWarning if cursor position could not be reset
* \remark With the text stream option, "\r\n" is treated as "\n"
* \remark The line separator character is not returned as part of the string
*/
String Stream::ReadLine(unsigned int lineSize)
{
String line;
@ -71,19 +76,33 @@ namespace Nz
if (ptr)
{
std::ptrdiff_t pos = ptr - buffer;
if (m_streamOptions & StreamOption_Text && pos > 0 && buffer[pos - 1] == '\r')
line.Append(buffer, pos - 1);
else
line.Append(buffer, pos);
if (ptr != buffer)
{
if (m_streamOptions & StreamOption_Text && buffer[pos - 1] == '\r')
line.Append(buffer, pos - 1);
else
line.Append(buffer, pos);
}
if (!SetCursorPos(GetCursorPos() - readSize + pos + 1))
NazaraWarning("Failed to reset cursos pos");
NazaraWarning("Failed to reset cursor pos");
break;
if (!line.IsEmpty())
break;
}
else
line.Append(buffer, readSize);
{
std::size_t length = readSize;
if (m_streamOptions & StreamOption_Text && buffer[length - 1] == '\r')
{
if (!SetCursorPos(GetCursorPos() - 1))
NazaraWarning("Failed to reset cursor pos");
length--;
}
line.Append(buffer, length);
}
}
while (readSize == bufferSize);
}