ensightReadFile Class Reference

A variant of IFstream with specialised read() for strings, integers and floats. Correctly handles binary read as well. More...

Inheritance diagram for ensightReadFile:
Collaboration diagram for ensightReadFile:

Public Member Functions

 ensightReadFile (const ensightReadFile &)=delete
 No copy construct. More...
 
void operator= (const ensightReadFile &)=delete
 No copy assignment. More...
 
 ensightReadFile (const fileName &pathname)
 Construct from pathname, auto-detect the format. More...
 
 ensightReadFile (const fileName &pathname, IOstreamOption::streamFormat fmt)
 Construct from pathname, use the specified (ascii/binary) format. More...
 
 ~ensightReadFile ()=default
 Destructor. More...
 
virtual Istreamread (char *buf, std::streamsize count) override
 Binary read. More...
 
virtual Istreamread (string &value) override
 Read string as "%80s" or as binary. More...
 
virtual Istreamread (label &value) override
 Read integer as "%10d" or as binary. More...
 
virtual Istreamread (float &value) override
 Read floating-point as "%12.5e" or as binary. More...
 
virtual Istreamread (double &value) override
 Read floating-point as "%12.5e" or as a binary (narrowed) float. More...
 
IstreamreadKeyword (string &key)
 Read element keyword. Currently the same as read(string) More...
 
IstreamreadBinaryHeader ()
 Read "C Binary" for binary files (eg, geometry/measured) More...
 
virtual Istreamread (token &)=0
 Inherit read from Istream. More...
 
virtual Istreamread (char &)=0
 Inherit read from Istream. More...
 
virtual Istreamread (word &)=0
 Inherit read from Istream. More...
 
virtual Istreamread (string &)=0
 Inherit read from Istream. More...
 
virtual Istreamread (label &)=0
 Inherit read from Istream. More...
 
virtual Istreamread (float &)=0
 Inherit read from Istream. More...
 
virtual Istreamread (double &)=0
 Inherit read from Istream. More...
 
virtual Istreamread (char *data, std::streamsize count)=0
 Inherit read from Istream. More...
 
- Public Member Functions inherited from IFstream
 ClassName ("IFstream")
 Declare type-name (with debug switch) More...
 
 IFstream (const fileName &pathname, IOstreamOption streamOpt=IOstreamOption())
 Construct from pathname, default or specified stream options. More...
 
 IFstream (const fileName &pathname, IOstreamOption::streamFormat fmt)
 Construct from pathname and format. More...
 
 ~IFstream ()=default
 Destructor. More...
 
std::streamsize fileSize () const
 Return the size of the underlying file (-1 on error). This corresponds to Foam::fileSize() but with extra handling of compressed files. More...
 
virtual std::istream & stdStream () override
 Access to underlying std::istream. More...
 
virtual const std::istream & stdStream () const override
 Const access to underlying std::istream. More...
 
virtual void rewind () override
 Rewind the stream so that it may be read again. More...
 
virtual void print (Ostream &os) const override
 Print stream description. More...
 
IFstreamoperator() () const
 Return a non-const reference to const IFstream. More...
 
ISstreamget (char &c)
 Get character(s) More...
 
virtual const fileNamename () const override
 Read/write access to the name of the stream. More...
 
virtual fileNamename ()
 Read/write access to the name of the stream. More...
 
- Public Member Functions inherited from ISstream
 ISstream (std::istream &is, const string &streamName, IOstreamOption streamOpt=IOstreamOption())
 Construct wrapper around std::istream, set stream status. More...
 
 ISstream (std::istream &is, const string &streamName, IOstreamOption::streamFormat fmt, IOstreamOption::compressionType cmp=IOstreamOption::UNCOMPRESSED)
 Construct wrapper around std::istream, set stream status. More...
 
 ISstream (std::istream &is, const string &streamName, IOstreamOption::streamFormat fmt, IOstreamOption::versionNumber ver, IOstreamOption::compressionType cmp=IOstreamOption::UNCOMPRESSED)
 Construct wrapper around std::istream, set stream status. More...
 
virtual ~ISstream ()=default
 Destructor. More...
 
virtual const fileNamename () const override
 The name of the input serial stream. (eg, the name of the Fstream file name) More...
 
virtual fileNamename ()
 The name of the input serial stream, for modification. More...
 
virtual ios_base::fmtflags flags () const override
 Return flags of output stream. More...
 
virtual ios_base::fmtflags flags (const ios_base::fmtflags f) override
 Set stream flags. More...
 
void syncState ()
 Set stream state to match that of the std::istream. More...
 
**return False if stream exhausted before finding the comment end *bool seekCommentEnd_Cstyle ()
 Discard until end of C-style comment '. More...
 
bool continueReadUntilRightBrace (std::string &str, const bool stripComments=true)
 Raw, low-level get into a string. Continues reading after an initial left-brace until it finds the matching closing right-brace. More...
 
ISstreamget (char &c)
 Raw, low-level get character function. More...
 
int peek ()
 Raw, low-level peek function. More...
 
ISstreamgetLine (std::string &str, char delim='\n')
 Raw, low-level getline (until delimiter) into a string. More...
 
std::streamsize getLine (std::nullptr_t, char delim='\n')
 Low-level discard until delimiter. More...
 
ISstreamputback (const char c)
 Raw, low-level putback character function. More...
 
virtual Istreamread (token &t) override
 Return next token from stream. More...
 
virtual Istreamread (char &c) override
 Read a character. More...
 
virtual Istreamread (word &str) override
 Read a word. More...
 
virtual IstreamreadRaw (char *data, std::streamsize count) override
 Low-level raw binary read (without possible block delimiters). Reading into a null pointer behaves like a forward seek of count characters. More...
 
virtual bool beginRawRead () override
 Start of low-level raw binary read. More...
 
virtual bool endRawRead () override
 End of low-level raw binary read. More...
 
- Public Member Functions inherited from Istream
 Istream (const Istream &)=default
 Copy construct. More...
 
virtual ~Istream ()=default
 Destructor. More...
 
 Istream (IOstreamOption streamOpt=IOstreamOption())
 Default construct (ASCII, uncompressed), construct with specified stream option. More...
 
 Istream (IOstreamOption::streamFormat fmt, IOstreamOption::compressionType cmp=IOstreamOption::UNCOMPRESSED)
 Construct with format (uncompressed) More...
 
const tokenpeekBack () const noexcept
 Examine putback token without removing it. More...
 
void putBackClear ()
 Drop the putback token. More...
 
void putBack (const token &tok)
 Put back a token (copy). Only a single put back is permitted. More...
 
void putBack (token &&tok)
 Put back a token (move). Only a single put back is permitted. More...
 
bool getBack (token &tok)
 Retrieve the put-back token if there is one. More...
 
bool readBegin (const char *funcName)
 Begin read of data chunk, starts with '('. More...
 
bool readEnd (const char *funcName)
 End read of data chunk, ends with ')'. More...
 
char readBeginList (const char *funcName)
 Begin read of list data, starts with '(' or '{'. More...
 
char readEndList (const char *funcName)
 End read of list data, ends with ')' or '}'. More...
 
Istreamoperator() () const
 Return a non-const reference to const Istream. More...
 
- Public Member Functions inherited from IOstream
 IOstream (const IOstream &)=default
 Copy construct. More...
 
virtual ~IOstream ()=default
 Destructor. More...
 
 IOstream (IOstreamOption streamOpt=IOstreamOption())
 Default construct (ASCII, uncompressed), construct with specified stream option. More...
 
 IOstream (IOstreamOption::streamFormat fmt, IOstreamOption::versionNumber ver, IOstreamOption::compressionType cmp=IOstreamOption::UNCOMPRESSED)
 Construct with format, version (compression) More...
 
fileName relativeName () const
 Return the name of the stream relative to the current case. More...
 
virtual bool check (const char *operation) const
 Check IOstream status for given operation. More...
 
bool fatalCheck (const char *operation) const
 Check IOstream status for given operation. More...
 
bool opened () const noexcept
 True if stream has been opened. More...
 
bool closed () const noexcept
 True if stream is closed. More...
 
bool good () const noexcept
 True if next operation might succeed. More...
 
bool eof () const noexcept
 True if end of input seen. More...
 
bool fail () const noexcept
 True if next operation will fail. More...
 
bool bad () const noexcept
 True if stream is corrupted. More...
 
 operator bool () const noexcept
 Return true if the stream has not failed. More...
 
bool operator! () const noexcept
 Return true if the stream has failed. More...
 
unsigned labelByteSize () const noexcept
 The sizeof (label) in bytes associated with the stream. More...
 
unsigned scalarByteSize () const noexcept
 The sizeof (scalar) in bytes associated with the stream. More...
 
void setLabelByteSize (unsigned nbytes) noexcept
 Set the sizeof (label) in bytes associated with the stream. More...
 
void setScalarByteSize (unsigned nbytes) noexcept
 Set the sizeof (scalar) in bytes associated with the stream. More...
 
template<class T = label>
std::enable_if< std::is_integral< T >::value, bool >::type checkLabelSize () const noexcept
 Check if the label byte-size associated with the stream is the same as the given type. More...
 
template<class T = scalar>
std::enable_if< std::is_floating_point< T >::value, bool >::type checkScalarSize () const noexcept
 Check if the scalar byte-size associated with the stream is the same as the given type. More...
 
label lineNumber () const noexcept
 Const access to the current stream line number. More...
 
label & lineNumber () noexcept
 Non-const access to the current stream line number. More...
 
label lineNumber (const label num) noexcept
 Set the stream line number. More...
 
void setEof () noexcept
 Set stream state as reached 'eof'. More...
 
void setFail () noexcept
 Set stream state as 'failed'. More...
 
void setBad ()
 Set stream state to be 'bad'. More...
 
ios_base::fmtflags setf (const ios_base::fmtflags f)
 Set flags of stream. More...
 
ios_base::fmtflags setf (const ios_base::fmtflags f, const ios_base::fmtflags mask)
 Set flags of given field of stream. More...
 
void unsetf (const ios_base::fmtflags f)
 Unset flags of stream. More...
 
void print (Ostream &os, const int streamState) const
 Print information about the stream state bits. More...
 
InfoProxy< IOstreaminfo () const noexcept
 Return info proxy, used to print IOstream information to a stream. More...
 
- Public Member Functions inherited from IOstreamOption
constexpr IOstreamOption (streamFormat fmt=streamFormat::ASCII, compressionType comp=compressionType::UNCOMPRESSED) noexcept
 Default construct (ASCII, UNCOMPRESSED, currentVersion) or construct with format, compression. More...
 
constexpr IOstreamOption (streamFormat fmt, compressionType comp, versionNumber ver) noexcept
 Construct from components (format, compression, version) More...
 
constexpr IOstreamOption (streamFormat fmt, versionNumber ver, compressionType comp=compressionType::UNCOMPRESSED) noexcept
 Construct from components (format, version, compression) More...
 
 IOstreamOption (const IOstreamOption &opt, streamFormat fmt) noexcept
 Copy construct with change of format. More...
 
streamFormat format () const noexcept
 Get the current stream format. More...
 
streamFormat format (const streamFormat fmt) noexcept
 Set the stream format. More...
 
streamFormat format (const word &formatName)
 Set the stream format from string value. More...
 
compressionType compression () const noexcept
 Get the stream compression. More...
 
compressionType compression (const compressionType comp) noexcept
 Set the stream compression. More...
 
compressionType compression (const word &compName)
 Set the stream compression from string value. More...
 
versionNumber version () const noexcept
 Get the stream version. More...
 
versionNumber version (const versionNumber ver) noexcept
 Set the stream version. More...
 
versionNumber version (const token &tok)
 Set the stream version from token. More...
 

Static Public Member Functions

static IOstreamOption::streamFormat detectBinaryHeader (const fileName &pathname)
 Detect if the file is binary by testing for initial "(C|Fortran) Binary". More...
 
- Static Public Member Functions inherited from IOstream
static unsigned int defaultPrecision () noexcept
 Return the default precision. More...
 
static unsigned int defaultPrecision (unsigned int prec) noexcept
 Reset the default precision. More...
 
- Static Public Member Functions inherited from IOstreamOption
static floatFormat floatFormatEnum (const word &fmtName, const floatFormat deflt=floatFormat::general)
 Lookup floatFormat enum corresponding to the string (general | fixed | scientific). More...
 
static floatFormat floatFormatEnum (const word &key, const dictionary &dict, const floatFormat deflt=floatFormat::general)
 getOrDefault floatFormat from dictionary, warn only on bad enumeration. More...
 
static streamFormat formatEnum (const word &fmtName, const streamFormat deflt=streamFormat::ASCII)
 Lookup streamFormat enum corresponding to the string (ascii | binary). More...
 
static streamFormat formatEnum (const word &key, const dictionary &dict, const streamFormat deflt=streamFormat::ASCII)
 getOrDefault streamFormat from dictionary, warn only on bad enumeration. More...
 
static compressionType compressionEnum (const word &compName, const compressionType deflt=compressionType::UNCOMPRESSED)
 The compression enum corresponding to the string. More...
 
static compressionType compressionEnum (const word &key, const dictionary &dict, const compressionType deflt=compressionType::UNCOMPRESSED)
 getOrDefault compressionType from dictionary, warn only on bad enumeration. More...
 

Additional Inherited Members

- Public Types inherited from IOstream
enum  streamAccess : char { CLOSED = 0, OPENED }
 Enumeration for stream open/closed state. More...
 
- Public Types inherited from IOstreamOption
enum  streamFormat : char { ASCII = 0, BINARY }
 Data format (ascii | binary) More...
 
enum  compressionType : char { UNCOMPRESSED = 0, COMPRESSED }
 Compression treatment (UNCOMPRESSED | COMPRESSED) More...
 
enum  appendType : char { NON_APPEND = 0, APPEND }
 File appending (NON_APPEND | APPEND) More...
 
enum  atomicType : char { NON_ATOMIC = 0, ATOMIC }
 Atomic operations (output) More...
 
enum  floatFormat : unsigned { general = unsigned(0), fixed = unsigned(std::ios_base::fixed), scientific = unsigned(std::ios_base::scientific) }
 Float formats (eg, time directory name formats) More...
 
- Static Public Attributes inherited from IOstream
static unsigned int precision_
 Default precision. More...
 
- Static Public Attributes inherited from IOstreamOption
static const Enum< floatFormatfloatFormatNames
 Names for float formats (general, fixed, scientific) More...
 
static const Enum< streamFormatformatNames
 Stream format names (ascii, binary) More...
 
static const versionNumber currentVersion
 The current version number (2.0) More...
 
- Protected Member Functions inherited from Istream
bool hasPutback () const noexcept
 True if putback token is in use. More...
 
- Protected Member Functions inherited from IOstream
void setOpened () noexcept
 Set stream opened. More...
 
void setClosed () noexcept
 Set stream closed. More...
 
void setState (std::ios_base::iostate state) noexcept
 Set stream state. More...
 
void setGood () noexcept
 Set stream state to be good. More...
 
- Protected Attributes inherited from IOstream
std::ios_base::iostate ioState_
 Mirror of internal stream io state. More...
 
streamAccess openClosed_
 The stream open/closed state. More...
 
unsigned char sizeofLabel_
 The sizeof (label), possibly read from the header. More...
 
unsigned char sizeofScalar_
 The sizeof (scalar), possibly read from the header. More...
 
label lineNumber_
 The file line. More...
 
- Static Protected Attributes inherited from IOstream
static fileName staticName_
 Name for any generic stream - normally treat as readonly. More...
 

Detailed Description

A variant of IFstream with specialised read() for strings, integers and floats. Correctly handles binary read as well.

Definition at line 44 of file ensightReadFile.H.

Constructor & Destructor Documentation

◆ ensightReadFile() [1/3]

ensightReadFile ( const ensightReadFile )
delete

No copy construct.

◆ ensightReadFile() [2/3]

ensightReadFile ( const fileName pathname)
explicit

Construct from pathname, auto-detect the format.

Definition at line 72 of file ensightReadFile.C.

◆ ensightReadFile() [3/3]

ensightReadFile ( const fileName pathname,
IOstreamOption::streamFormat  fmt 
)

Construct from pathname, use the specified (ascii/binary) format.

Definition at line 81 of file ensightReadFile.C.

◆ ~ensightReadFile()

~ensightReadFile ( )
default

Destructor.

Member Function Documentation

◆ operator=()

void operator= ( const ensightReadFile )
delete

No copy assignment.

◆ detectBinaryHeader()

Foam::IOstreamOption::streamFormat detectBinaryHeader ( const fileName pathname)
static

Detect if the file is binary by testing for initial "(C|Fortran) Binary".

Definition at line 26 of file ensightReadFile.C.

References IOstreamOption::ASCII, IOstreamOption::BINARY, string::contains(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, IOstream::good(), IFstream::name(), Foam::nl, and IFstream::stdStream().

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◆ read() [1/13]

Foam::Istream & read ( char *  buf,
std::streamsize  count 
)
overridevirtual

Binary read.

Reimplemented from ISstream.

Definition at line 93 of file ensightReadFile.C.

References Foam::BitOps::count(), and Istream::read().

Referenced by Foam::discard(), ensightSurfaceReader::readField(), ensightSurfaceReader::readGeometry(), and ensightSurfaceReader::readGeometryHeader().

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◆ read() [2/13]

Foam::Istream & read ( string value)
overridevirtual

Read string as "%80s" or as binary.

Reimplemented from ISstream.

Definition at line 104 of file ensightReadFile.C.

References IOstreamOption::BINARY, and format().

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◆ read() [3/13]

Foam::Istream & read ( label &  value)
overridevirtual

Read integer as "%10d" or as binary.

Reimplemented from ISstream.

Definition at line 149 of file ensightReadFile.C.

References IOstreamOption::BINARY, format(), and Foam::read().

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◆ read() [4/13]

Foam::Istream & read ( float &  value)
overridevirtual

Read floating-point as "%12.5e" or as binary.

Reimplemented from ISstream.

Definition at line 172 of file ensightReadFile.C.

References IOstreamOption::BINARY, format(), and Foam::read().

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◆ read() [5/13]

Foam::Istream & read ( double &  value)
overridevirtual

Read floating-point as "%12.5e" or as a binary (narrowed) float.

Reimplemented from ISstream.

Definition at line 192 of file ensightReadFile.C.

References IOstreamOption::BINARY, format(), and Foam::read().

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◆ readKeyword()

Foam::Istream & readKeyword ( string key)

Read element keyword. Currently the same as read(string)

Definition at line 215 of file ensightReadFile.C.

References Foam::glTF::key(), and Foam::read().

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◆ readBinaryHeader()

Foam::Istream & readBinaryHeader ( )

Read "C Binary" for binary files (eg, geometry/measured)

Definition at line 222 of file ensightReadFile.C.

References IOstreamOption::BINARY, format(), and Foam::read().

Referenced by ensightSurfaceReader::readGeometryHeader().

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◆ read() [6/13]

virtual Istream& read

Inherit read from Istream.

◆ read() [7/13]

virtual Istream& read

Inherit read from Istream.

◆ read() [8/13]

virtual Istream& read

Inherit read from Istream.

◆ read() [9/13]

virtual Istream& read

Inherit read from Istream.

◆ read() [10/13]

virtual Istream& read

Inherit read from Istream.

◆ read() [11/13]

virtual Istream& read

Inherit read from Istream.

◆ read() [12/13]

virtual Istream& read

Inherit read from Istream.

◆ read() [13/13]

virtual Istream& read

Inherit read from Istream.


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