Belle II Software development
Public Member Functions | Protected Member Functions | Private Attributes | List of all members
FileReader< FD > Class Template Reference
Packages » daq
Inheritance diagram for FileReader< FD >:
Reader

Public Member Functions

 FileReader (const FD &fd)
 
size_t read (void *v, size_t count) override
 
bool available () override
 
virtual bool readBool ()
 
virtual char readChar ()
 
virtual short readShort ()
 
virtual int readInt ()
 
virtual long long readLong ()
 
virtual unsigned char readUChar ()
 
virtual unsigned short readUShort ()
 
virtual unsigned int readUInt ()
 
virtual unsigned long long readULong ()
 
virtual float readFloat ()
 
virtual double readDouble ()
 
virtual const std::string readString ()
 
virtual void readObject (Serializable &)
 

Protected Member Functions

void reverse (void *buf, size_t len)
 

Private Attributes

FD _fd
 

Detailed Description

template<class FD>
class Belle2::FileReader< FD >

Definition at line 20 of file FileReader.h.

Constructor & Destructor Documentation

◆ FileReader() [1/2]

FileReader ( )
inline

Definition at line 23 of file FileReader.h.

23{}

◆ FileReader() [2/2]

FileReader ( const FD &  fd)
inline

Definition at line 24 of file FileReader.h.

24: _fd(fd) {}

◆ ~FileReader()

virtual ~FileReader ( )
inlinevirtual

Definition at line 25 of file FileReader.h.

25{}

Member Function Documentation

◆ available()

bool available ( )
inlineoverridevirtual

Implements Reader.

Definition at line 29 of file FileReader.h.

29{ return _fd.select(); }

◆ read()

size_t read ( void *  v,
size_t  count 
)
inlineoverridevirtual

Implements Reader.

Definition at line 28 of file FileReader.h.

28{ return _fd.read(v, count); }

◆ readBool()

bool readBool ( )
virtualinherited

Definition at line 27 of file Reader.cc.

28{
29 bool v;
30 read(&v, sizeof(bool));
31 return v;
32}

◆ readChar()

char readChar ( )
virtualinherited

Definition at line 34 of file Reader.cc.

35{
36 char v;
37 read(&v, sizeof(char));
38 return v;
39}

◆ readDouble()

double readDouble ( )
virtualinherited

Definition at line 118 of file Reader.cc.

119{
120 double v;
121 read(&v, sizeof(double));
122#if defined(__ENDIAN_L__)
123 reverse(&v, sizeof(double));
124#endif
125 return v;
126}

◆ readFloat()

float readFloat ( )
virtualinherited

Definition at line 108 of file Reader.cc.

109{
110 float v;
111 read(&v, sizeof(float));
112#if defined(__ENDIAN_L__)
113 reverse(&v, sizeof(float));
114#endif
115 return v;
116}

◆ readInt()

int readInt ( )
virtualinherited

Definition at line 68 of file Reader.cc.

69{
70 int v;
71 read(&v, sizeof(int));
72#if defined(__ENDIAN_L__)
73 reverse(&v, sizeof(int));
74#endif
75 return v;
76}

◆ readLong()

long long readLong ( )
virtualinherited

Definition at line 88 of file Reader.cc.

89{
90 long long v;
91 read(&v, sizeof(long long));
92#if defined(__ENDIAN_L__)
93 reverse(&v, sizeof(long long));
94#endif
95 return v;
96}

◆ readObject()

void readObject ( Serializable &  v)
virtualinherited

Definition at line 142 of file Reader.cc.

143{
144 v.readObject(*this);
145}

◆ readShort()

short readShort ( )
virtualinherited

Definition at line 48 of file Reader.cc.

49{
50 short v;
51 read(&v, sizeof(short));
52#if defined(__ENDIAN_L__)
53 reverse(&v, sizeof(short));
54#endif
55 return v;
56}

◆ readString()

const std::string readString ( )
virtualinherited

Definition at line 128 of file Reader.cc.

129{
130 int count = readInt();
131 char str[1025];
132 std::string v;
133 while (count > 0) {
134 int c = (count > 1024) ? 1024 : count;
135 read(str, c);
136 v.append(str, 0, c);
137 count -= c;
138 }
139 return v;
140}

◆ readUChar()

unsigned char readUChar ( )
virtualinherited

Definition at line 41 of file Reader.cc.

42{
43 unsigned char v;
44 read(&v, sizeof(unsigned char));
45 return v;
46}

◆ readUInt()

unsigned int readUInt ( )
virtualinherited

Definition at line 78 of file Reader.cc.

79{
80 unsigned int v;
81 read(&v, sizeof(unsigned int));
82#if defined(__ENDIAN_L__)
83 reverse(&v, sizeof(unsigned int));
84#endif
85 return v;
86}

◆ readULong()

unsigned long long readULong ( )
virtualinherited

Definition at line 98 of file Reader.cc.

99{
100 unsigned long long v;
101 read(&v, sizeof(unsigned long long));
102#if defined(__ENDIAN_L__)
103 reverse(&v, sizeof(unsigned long long));
104#endif
105 return v;
106}

◆ readUShort()

unsigned short readUShort ( )
virtualinherited

Definition at line 58 of file Reader.cc.

59{
60 unsigned short v;
61 read(&v, sizeof(unsigned short));
62#if defined(__ENDIAN_L__)
63 reverse(&v, sizeof(unsigned short));
64#endif
65 return v;
66}

◆ reverse()

void reverse ( void *  buf,
size_t  len 
)
protectedinherited

Definition at line 18 of file Reader.cc.

19{
20 for (int c = 0 ; c < (int)len / 2 ; c ++) {
21 char tmp = *((char*)buf + c);
22 *((char*)buf + c) = *((char*)buf + len - 1 - c);
23 *((char*)buf + len - 1 - c) = tmp;
24 }
25}

Member Data Documentation

◆ _fd

FD _fd
private

Definition at line 32 of file FileReader.h.

The documentation for this class was generated from the following file: