HepMC3 event record library
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GenEvent I/O serialization for structured text files.
Definition at line 26 of file WriterAsciiHepMC2.h.
#include <WriterAsciiHepMC2.h>
Public Member Functions | |
WriterAsciiHepMC2 (const std::string &filename, std::shared_ptr< GenRunInfo > run=std::shared_ptr< GenRunInfo >()) | |
Constructor. | |
WriterAsciiHepMC2 (std::ostream &stream, std::shared_ptr< GenRunInfo > run=std::shared_ptr< GenRunInfo >()) | |
Constructor from ostream. | |
WriterAsciiHepMC2 (std::shared_ptr< std::ostream > s_stream, std::shared_ptr< GenRunInfo > run=std::shared_ptr< GenRunInfo >()) | |
Constructor from temp ostream. | |
~WriterAsciiHepMC2 () | |
Destructor. | |
void | write_event (const GenEvent &evt) override |
Write event to file. | |
void | write_run_info () |
Write the GenRunInfo object to file. | |
bool | failed () override |
Return status of the stream. | |
void | close () override |
Close file stream. | |
void | set_precision (const int &prec) |
Set output precision. | |
int | precision () const |
Return output precision. | |
virtual void | set_run_info (std::shared_ptr< GenRunInfo > run) |
Set the global GenRunInfo object. | |
virtual std::shared_ptr< GenRunInfo > | run_info () const |
Get the global GenRunInfo object. | |
virtual void | set_options (const std::map< std::string, std::string > &options) |
Set options. | |
virtual std::map< std::string, std::string > | get_options () const |
Set options. | |
Protected Attributes | |
std::map< std::string, std::string > | m_options |
options | |
Private Member Functions | |
Write helpers | |
void | write_string (const std::string &str) |
Inline function for writing strings. | |
void | write_vertex (const ConstGenVertexPtr &v) |
Write vertex. | |
void | write_particle (const ConstGenParticlePtr &p, int second_field) |
Write particle. | |
Private Attributes | |
std::ofstream | m_file |
Output file. | |
std::shared_ptr< std::ostream > | m_shared_stream |
Output temp. stream. | |
std::ostream * | m_stream |
Output stream. | |
int | m_precision = 16 |
Output precision. | |
char * | m_buffer = nullptr |
Stream buffer. | |
char * | m_cursor = nullptr |
Cursor inside stream buffer. | |
unsigned long | m_buffer_size = 262144 |
Buffer size. | |
unsigned long | m_particle_counter = 0 |
Used to set bar codes. | |
std::string | m_float_printf_specifier |
the specifier of printf used for floats | |
std::shared_ptr< GenRunInfo > | m_run_info |
The global GenRunInfo object. | |
Buffer management | |
void | allocate_buffer () |
Attempts to allocate buffer of the chosen size. | |
void | set_buffer_size (const size_t &size) |
Set buffer size (in bytes) | |
void | flush () |
Inline function flushing buffer to output stream when close to buffer capacity. | |
void | forced_flush () |
Inline function forcing flush to the output stream. | |
static std::string | escape (const std::string &s) |
Escape '\' and ' ' characters in string. | |
WriterAsciiHepMC2 | ( | const std::string & | filename, |
std::shared_ptr< GenRunInfo > | run = std::shared_ptr<GenRunInfo>() ) |
Constructor.
Definition at line 24 of file WriterAsciiHepMC2.cc.
References HEPMC3_ERROR_LEVEL, HEPMC3_WARNING_LEVEL, m_file, m_float_printf_specifier, m_precision, m_stream, Writer::run_info(), Writer::set_run_info(), and HepMC3::version().
WriterAsciiHepMC2 | ( | std::ostream & | stream, |
std::shared_ptr< GenRunInfo > | run = std::shared_ptr<GenRunInfo>() ) |
Constructor from ostream.
Definition at line 43 of file WriterAsciiHepMC2.cc.
References HEPMC3_WARNING_LEVEL, m_float_printf_specifier, m_precision, m_stream, Writer::run_info(), Writer::set_run_info(), and HepMC3::version().
WriterAsciiHepMC2 | ( | std::shared_ptr< std::ostream > | s_stream, |
std::shared_ptr< GenRunInfo > | run = std::shared_ptr<GenRunInfo>() ) |
Constructor from temp ostream.
Definition at line 54 of file WriterAsciiHepMC2.cc.
References HEPMC3_WARNING_LEVEL, m_float_printf_specifier, m_precision, m_shared_stream, m_stream, Writer::run_info(), Writer::set_run_info(), and HepMC3::version().
~WriterAsciiHepMC2 | ( | ) |
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private |
Attempts to allocate buffer of the chosen size.
This function can be called manually by the user or will be called before first read/write operation
Definition at line 248 of file WriterAsciiHepMC2.cc.
References HEPMC3_ERROR_LEVEL, HEPMC3_WARNING_LEVEL, m_buffer, m_buffer_size, and m_cursor.
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overridevirtual |
Close file stream.
Implements Writer.
Definition at line 432 of file WriterAsciiHepMC2.cc.
References forced_flush(), and m_stream.
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staticprivate |
Escape '\' and '
' characters in string.
Definition at line 271 of file WriterAsciiHepMC2.cc.
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overridevirtual |
Return status of the stream.
Implements Writer.
Definition at line 443 of file WriterAsciiHepMC2.cc.
References m_file.
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inlineprivate |
Inline function flushing buffer to output stream when close to buffer capacity.
Definition at line 338 of file WriterAsciiHepMC2.cc.
References m_buffer, m_buffer_size, m_cursor, and m_stream.
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inlineprivate |
Inline function forcing flush to the output stream.
Definition at line 351 of file WriterAsciiHepMC2.cc.
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inlinevirtualinherited |
Set options.
Reimplemented in WriterPlugin.
Definition at line 54 of file Writer.h.
References m_options.
int precision | ( | ) | const |
Return output precision.
Definition at line 450 of file WriterAsciiHepMC2.cc.
References m_precision.
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inlinevirtualinherited |
Get the global GenRunInfo object.
Reimplemented in WriterGZ< T, C >, and WriterPlugin.
Definition at line 45 of file Writer.h.
References m_run_info.
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private |
Set buffer size (in bytes)
Default is 256kb. Minimum is 256b. Size can only be changed before first read/write operation.
Definition at line 454 of file WriterAsciiHepMC2.cc.
References m_buffer, and m_buffer_size.
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inlinevirtualinherited |
Set options.
Reimplemented in WriterPlugin.
Definition at line 52 of file Writer.h.
References m_options.
void set_precision | ( | const int & | prec | ) |
Set output precision.
Available range is [2,24]. Default is 16.
Definition at line 445 of file WriterAsciiHepMC2.cc.
References m_precision.
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inlinevirtualinherited |
Set the global GenRunInfo object.
Reimplemented in WriterGZ< T, C >, and WriterPlugin.
Definition at line 42 of file Writer.h.
References m_run_info.
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overridevirtual |
Write event to file.
[in] | evt | Event to be serialized |
Implements Writer.
Definition at line 74 of file WriterAsciiHepMC2.cc.
References allocate_buffer(), GenEvent::attribute(), escape(), GenEvent::event_number(), flush(), forced_flush(), HEPMC3_WARNING_LEVEL, GenEvent::length_unit(), m_buffer, m_cursor, m_float_printf_specifier, Writer::m_options, m_particle_counter, m_precision, GenEvent::momentum_unit(), Units::name(), GenEvent::run_info(), Writer::run_info(), Writer::set_run_info(), GenEvent::vertices(), GenEvent::weights(), write_particle(), write_string(), and write_vertex().
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private |
Write particle.
Helper routine for writing single particle to file
Definition at line 361 of file WriterAsciiHepMC2.cc.
References flush(), m_cursor, m_float_printf_specifier, m_particle_counter, and write_string().
void write_run_info | ( | ) |
Write the GenRunInfo object to file.
Definition at line 359 of file WriterAsciiHepMC2.cc.
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inlineprivate |
Inline function for writing strings.
Since strings can be long (maybe even longer than buffer) they have to be dealt with separately.
Definition at line 414 of file WriterAsciiHepMC2.cc.
References flush(), forced_flush(), m_buffer, m_buffer_size, m_cursor, and m_stream.
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private |
Write vertex.
Helper routine for writing single vertex to file
Definition at line 292 of file WriterAsciiHepMC2.cc.
References flush(), FourVector::is_zero(), m_cursor, m_float_printf_specifier, FourVector::t(), FourVector::x(), FourVector::y(), and FourVector::z().
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private |
Stream buffer.
Definition at line 125 of file WriterAsciiHepMC2.h.
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private |
Buffer size.
Definition at line 127 of file WriterAsciiHepMC2.h.
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private |
Cursor inside stream buffer.
Definition at line 126 of file WriterAsciiHepMC2.h.
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private |
Output file.
Definition at line 121 of file WriterAsciiHepMC2.h.
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private |
the specifier of printf used for floats
Definition at line 129 of file WriterAsciiHepMC2.h.
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protectedinherited |
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private |
Used to set bar codes.
Definition at line 128 of file WriterAsciiHepMC2.h.
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private |
Output precision.
Definition at line 124 of file WriterAsciiHepMC2.h.
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privateinherited |
The global GenRunInfo object.
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private |
Output temp. stream.
Definition at line 122 of file WriterAsciiHepMC2.h.
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private |
Output stream.
Definition at line 123 of file WriterAsciiHepMC2.h.