source: liacs/MIR2010/SourceCode/cximage/xiofile.h@ 172

Last change on this file since 172 was 95, checked in by Rick van der Zwet, 15 years ago

Bad boy, improper move of directory
File size: 2.9 KB
RevLine 
[95]1#if !defined(__xiofile_h)
2#define __xiofile_h
3
4#include "xfile.h"
5//#include <TCHAR.h>
6
7class DLL_EXP CxIOFile : public CxFile
8 {
9public:
10 CxIOFile(FILE* fp = NULL)
11 {
12 m_fp = fp;
13 m_bCloseFile = (bool)(fp==0);
14 }
15
16 ~CxIOFile()
17 {
18 Close();
19 }
20//////////////////////////////////////////////////////////
21 bool Open(LPCTSTR filename, LPCTSTR mode)
22 {
23 if (m_fp) return false; // Can't re-open without closing first
24
25 m_fp = _tfopen(filename, mode);
26 if (!m_fp) return false;
27
28 m_bCloseFile = true;
29
30 return true;
31 }
32//////////////////////////////////////////////////////////
33 virtual bool Close()
34 {
35 int iErr = 0;
36 if ( (m_fp) && (m_bCloseFile) ){
37 iErr = fclose(m_fp);
38 m_fp = NULL;
39 }
40 return (bool)(iErr==0);
41 }
42//////////////////////////////////////////////////////////
43 virtual size_t Read(void *buffer, size_t size, size_t count)
44 {
45 if (!m_fp) return 0;
46 return fread(buffer, size, count, m_fp);
47 }
48//////////////////////////////////////////////////////////
49 virtual size_t Write(const void *buffer, size_t size, size_t count)
50 {
51 if (!m_fp) return 0;
52 return fwrite(buffer, size, count, m_fp);
53 }
54//////////////////////////////////////////////////////////
55 virtual bool Seek(long offset, int origin)
56 {
57 if (!m_fp) return false;
58 return (bool)(fseek(m_fp, offset, origin) == 0);
59 }
60//////////////////////////////////////////////////////////
61 virtual long Tell()
62 {
63 if (!m_fp) return 0;
64 return ftell(m_fp);
65 }
66//////////////////////////////////////////////////////////
67 virtual long Size()
68 {
69 if (!m_fp) return -1;
70 long pos,size;
71 pos = ftell(m_fp);
72 fseek(m_fp, 0, SEEK_END);
73 size = ftell(m_fp);
74 fseek(m_fp, pos,SEEK_SET);
75 return size;
76 }
77//////////////////////////////////////////////////////////
78 virtual bool Flush()
79 {
80 if (!m_fp) return false;
81 return (bool)(fflush(m_fp) == 0);
82 }
83//////////////////////////////////////////////////////////
84 virtual bool Eof()
85 {
86 if (!m_fp) return true;
87 return (bool)(feof(m_fp) != 0);
88 }
89//////////////////////////////////////////////////////////
90 virtual long Error()
91 {
92 if (!m_fp) return -1;
93 return ferror(m_fp);
94 }
95//////////////////////////////////////////////////////////
96 virtual bool PutC(unsigned char c)
97 {
98 if (!m_fp) return false;
99 return (bool)(fputc(c, m_fp) == c);
100 }
101//////////////////////////////////////////////////////////
102 virtual long GetC()
103 {
104 if (!m_fp) return EOF;
105 return getc(m_fp);
106 }
107//////////////////////////////////////////////////////////
108 virtual char * GetS(char *string, int n)
109 {
110 if (!m_fp) return NULL;
111 return fgets(string,n,m_fp);
112 }
113//////////////////////////////////////////////////////////
114 virtual long Scanf(const char *format, void* output)
115 {
116 if (!m_fp) return EOF;
117 return fscanf(m_fp, format, output);
118 }
119//////////////////////////////////////////////////////////
120protected:
121 FILE *m_fp;
122 bool m_bCloseFile;
123 };
124
125#endif
Note: See TracBrowser for help on using the repository browser.