85 lines
1.5 KiB
C++
85 lines
1.5 KiB
C++
// Common/StdInStream.cpp
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#include "StdAfx.h"
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#include <tchar.h>
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#include "StdInStream.h"
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#ifdef _MSC_VER
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// "was declared deprecated" disabling
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#pragma warning(disable : 4996 )
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#endif
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static const char kIllegalChar = '\0';
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static const char kNewLineChar = '\n';
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static const char *kEOFMessage = "Unexpected end of input stream";
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static const char *kReadErrorMessage ="Error reading input stream";
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static const char *kIllegalCharMessage = "Illegal character in input stream";
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static LPCTSTR kFileOpenMode = TEXT("r");
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CStdInStream g_StdIn(stdin);
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bool CStdInStream::Open(LPCTSTR fileName)
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{
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Close();
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_stream = _tfopen(fileName, kFileOpenMode);
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_streamIsOpen = (_stream != 0);
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return _streamIsOpen;
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}
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bool CStdInStream::Close()
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{
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if(!_streamIsOpen)
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return true;
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_streamIsOpen = (fclose(_stream) != 0);
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return !_streamIsOpen;
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}
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CStdInStream::~CStdInStream()
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{
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Close();
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}
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AString CStdInStream::ScanStringUntilNewLine()
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{
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AString s;
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for (;;)
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{
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int intChar = GetChar();
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if(intChar == EOF)
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throw kEOFMessage;
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char c = char(intChar);
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if (c == kIllegalChar)
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throw kIllegalCharMessage;
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if(c == kNewLineChar)
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break;
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s += c;
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}
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return s;
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}
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void CStdInStream::ReadToString(AString &resultString)
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{
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resultString.Empty();
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int c;
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while((c = GetChar()) != EOF)
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resultString += char(c);
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}
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bool CStdInStream::Eof()
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{
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return (feof(_stream) != 0);
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}
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int CStdInStream::GetChar()
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{
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int c = fgetc(_stream); // getc() doesn't work in BeOS?
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if(c == EOF && !Eof())
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throw kReadErrorMessage;
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return c;
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}
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