other-licenses/7zstub/src/Common/StdInStream.cpp@925c144e1f1f (annotated)
other-licenses/7zstub/src/Common/StdInStream.cpp
Fri, 16 Jan 2015 18:13:44 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 18:13:44 +0100
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
- permissions
- -rw-r--r--
Integrate suggestion from review to improve consistency with existing code.
| michael@0 | 1 | // Common/StdInStream.cpp |
| michael@0 | 2 | |
| michael@0 | 3 | #include "StdAfx.h" |
| michael@0 | 4 | |
| michael@0 | 5 | #include <tchar.h> |
| michael@0 | 6 | #include "StdInStream.h" |
| michael@0 | 7 | |
| michael@0 | 8 | static const char kIllegalChar = '\0'; |
| michael@0 | 9 | static const char kNewLineChar = '\n'; |
| michael@0 | 10 | |
| michael@0 | 11 | static const char *kEOFMessage = "Unexpected end of input stream"; |
| michael@0 | 12 | static const char *kReadErrorMessage ="Error reading input stream"; |
| michael@0 | 13 | static const char *kIllegalCharMessage = "Illegal character in input stream"; |
| michael@0 | 14 | |
| michael@0 | 15 | static LPCTSTR kFileOpenMode = TEXT("r"); |
| michael@0 | 16 | |
| michael@0 | 17 | CStdInStream g_StdIn(stdin); |
| michael@0 | 18 | |
| michael@0 | 19 | bool CStdInStream::Open(LPCTSTR fileName) |
| michael@0 | 20 | { |
| michael@0 | 21 | Close(); |
| michael@0 | 22 | _stream = _tfopen(fileName, kFileOpenMode); |
| michael@0 | 23 | _streamIsOpen = (_stream != 0); |
| michael@0 | 24 | return _streamIsOpen; |
| michael@0 | 25 | } |
| michael@0 | 26 | |
| michael@0 | 27 | bool CStdInStream::Close() |
| michael@0 | 28 | { |
| michael@0 | 29 | if(!_streamIsOpen) |
| michael@0 | 30 | return true; |
| michael@0 | 31 | _streamIsOpen = (fclose(_stream) != 0); |
| michael@0 | 32 | return !_streamIsOpen; |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | CStdInStream::~CStdInStream() |
| michael@0 | 36 | { |
| michael@0 | 37 | Close(); |
| michael@0 | 38 | } |
| michael@0 | 39 | |
| michael@0 | 40 | AString CStdInStream::ScanStringUntilNewLine() |
| michael@0 | 41 | { |
| michael@0 | 42 | AString s; |
| michael@0 | 43 | while(true) |
| michael@0 | 44 | { |
| michael@0 | 45 | int intChar = GetChar(); |
| michael@0 | 46 | if(intChar == EOF) |
| michael@0 | 47 | throw kEOFMessage; |
| michael@0 | 48 | char c = char(intChar); |
| michael@0 | 49 | if (c == kIllegalChar) |
| michael@0 | 50 | throw kIllegalCharMessage; |
| michael@0 | 51 | if(c == kNewLineChar) |
| michael@0 | 52 | return s; |
| michael@0 | 53 | s += c; |
| michael@0 | 54 | } |
| michael@0 | 55 | } |
| michael@0 | 56 | |
| michael@0 | 57 | void CStdInStream::ReadToString(AString &resultString) |
| michael@0 | 58 | { |
| michael@0 | 59 | resultString.Empty(); |
| michael@0 | 60 | int c; |
| michael@0 | 61 | while((c = GetChar()) != EOF) |
| michael@0 | 62 | resultString += char(c); |
| michael@0 | 63 | } |
| michael@0 | 64 | |
| michael@0 | 65 | bool CStdInStream::Eof() |
| michael@0 | 66 | { |
| michael@0 | 67 | return (feof(_stream) != 0); |
| michael@0 | 68 | } |
| michael@0 | 69 | |
| michael@0 | 70 | int CStdInStream::GetChar() |
| michael@0 | 71 | { |
| michael@0 | 72 | int c = getc(_stream); |
| michael@0 | 73 | if(c == EOF && !Eof()) |
| michael@0 | 74 | throw kReadErrorMessage; |
| michael@0 | 75 | return c; |
| michael@0 | 76 | } |
| michael@0 | 77 | |
| michael@0 | 78 |
