blob: e014f60b5b9fe01f1c2d1ee524e0119920411f9a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
// Common/StdInStream.cpp
#include "StdAfx.h"
#include <tchar.h>
#include "StdInStream.h"
static const char kIllegalChar = '\0';
static const char kNewLineChar = '\n';
static const char *kEOFMessage = "Unexpected end of input stream";
static const char *kReadErrorMessage ="Error reading input stream";
static const char *kIllegalCharMessage = "Illegal character in input stream";
static LPCTSTR kFileOpenMode = TEXT("r");
CStdInStream g_StdIn(stdin);
bool CStdInStream::Open(LPCTSTR fileName)
{
Close();
_stream = _tfopen(fileName, kFileOpenMode);
_streamIsOpen = (_stream != 0);
return _streamIsOpen;
}
bool CStdInStream::Close()
{
if(!_streamIsOpen)
return true;
_streamIsOpen = (fclose(_stream) != 0);
return !_streamIsOpen;
}
CStdInStream::~CStdInStream()
{
Close();
}
AString CStdInStream::ScanStringUntilNewLine()
{
AString s;
while(true)
{
int intChar = GetChar();
if(intChar == EOF)
throw kEOFMessage;
char c = char(intChar);
if (c == kIllegalChar)
throw kIllegalCharMessage;
if(c == kNewLineChar)
return s;
s += c;
}
}
void CStdInStream::ReadToString(AString &resultString)
{
resultString.Empty();
int c;
while((c = GetChar()) != EOF)
resultString += char(c);
}
bool CStdInStream::Eof()
{
return (feof(_stream) != 0);
}
int CStdInStream::GetChar()
{
int c = getc(_stream);
if(c == EOF && !Eof())
throw kReadErrorMessage;
return c;
}
|
