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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/row__reader_8inl_source.html below:

NCBI C++ ToolKit: include/util/row_reader.inl Source File

1 #ifndef UTIL___ROW_READER__INL 2 #define UTIL___ROW_READER__INL 41 #ifndef UTIL___ROW_READER_INCLUDE__INL 42 # error "The row_reader.inl must only be included in row_reader.hpp" 123 string context

=

"Row reader context: "

;

128 context

+=

"Last read line position in the stream: "

+

130 "Last read line number: "

+

134 context

+=

"Position in the stream: "

+

136 "No lines read yet; "

;

142 context

+=

"Raw line data are not available; "

;

145 context

+=

"Stream has reached end"

;

147 context

+=

"Stream has not reached end yet"

;

162 bool

lines_already_read,

165 bool

raw_data_available,

166 const string

& raw_data,

248 return "eUnexpectedRowType"

;

250 return "eStreamFailure"

;

252 return "eFieldNoNotFound"

;

254 return "eDereferencingEndIterator"

;

256 return "eAdvancingEndIterator"

;

258 return "eDereferencingNoDataIterator"

;

260 return "eFileNotFound"

;

262 return "eNoReadPermissions"

;

264 return "eInvalidAction"

;

266 return "eLineProcessing"

;

268 return "eEndIteratorRowAccess"

;

270 return "eFieldNoOutOfRange"

;

272 return "eFieldAccess"

;

274 return "eFieldNameNotFound"

;

276 return "eFieldMetaInfoAccess"

;

278 return "eFieldConvert"

;

280 return "eNullField"

;

282 return "eValidating"

;

284 return "eNonEndIteratorCompare"

;

286 return "eIteratorWhileValidating"

;

288 return "eRowDataReading"

;

290 return "eTraitsOnEvent"

;

292 return "eFieldValueValidation"

;

294 return "eInvalidStream"

;

305 out

<<

"No context available"

;

392 "Unexpected action to convert to a row type"

,

401 if

( !

.Exists() )

403 "File "

+ sourcename +

" is not found"

,

407 "No read permissions for file "

+ sourcename,

415

converted =

(

string

(str_value.

(), str_value.

()));

433

converted = str_value;

438 template

<

typename T

,

449

eFieldConvert,

"Cannot convert field value '"

+

450 string

(str_value.

(), str_value.

()) +

451 "' to "

+

typeid

(

T

).name(),

nullptr

);

452

}

catch

(

const

exception& exc) {

454 "Cannot convert field value '"

+

455 string

(str_value.

(), str_value.

()) +

456 "' to "

+

typeid

(

T

).name() +

": "

+

457

exc.

(),

nullptr

);

460 "Unknown error while converting field value '"

+

461 string

(str_value.

(), str_value.

()) +

462 "' to "

+

typeid

(

T

).name(),

nullptr

);

469 const string

& props)

472 switch

(field_type) {

486 Uint8

converted_uint8;

508 "Error validating field value '"

+

509 string

(str_value.

(), str_value.

()) +

513

}

catch

(

const

exception& exc) {

515 "Error validating field value '"

+

516 string

(str_value.

(), str_value.

()) +

519 ": "

+ exc.

(),

nullptr

);

522 "Unknown error while validating field value '"

+

523 string

(str_value.

(), str_value.

()) +

532 template

<

typename

TTraits>

549 for

(

size_t

k = 0; k < other.

.size(); ++k) {

570 for

(

size_t

index = 0; index <

.size(); ++index) {

607 m_FieldsInfo

[field].m_FieldName = &inserted.first->first;

654 "Unknown field name '"

+ field +

"'"

,

nullptr

);

661 for

(

size_t

index = 0; index <

.size(); ++index)

670 const string

* name_ptr =

[field].m_FieldName;

671 size_t

use_count = 0;

690 friend class CRR_Row

<TTraits>;

773 #define RR_TRAITS_PARENT_STREAM(TTraits) \ 776 typedef CRowReader<TTraits> TStreamType; \ 778 TStreamType& GetMyStream(void) const { return *m_MyStream; } \ 780 friend TStreamType; \ 782 void x_SetMyStream(TStreamType* my_stream) { m_MyStream = my_stream; } \ 783 TStreamType* m_MyStream

Incapsulate compile time information such as __FILE__, __LINE__, NCBI_MODULE, current function.

The class represents the current delimited row stream context.

virtual string Serialize() const

virtual CRR_Context * Clone(void) const

string m_SourceName

Name of the data source, such as:

TStreamPos m_CurrentLinePos

CRR_Context(const string &sourcename, bool lines_already_read, TLineNo line_no, TStreamPos current_line_pos, bool raw_data_available, const string &raw_data, bool reached_end)

Represents one row from an input stream.

static void GetFieldValueConverted(const CTempString &str_value, CTime &converted)

static void GetFieldValueConverted(const CTempString &str_value, T &converted)

static void GetFieldValueConverted(const CTempString &str_value, CTempString &converted)

static string ERR_EventToString(ERR_Event event)

static void GetFieldValueConverted(const CTempString &str_value, string &converted)

static void GetFieldValueConverted(const CTempString &str_value, bool &converted)

static void CheckExistanceAndPermissions(const string &sourcename)

static ERR_RowType ActionToRowType(ERR_Action action)

static string ERR_ActionToString(ERR_Action action)

static void ValidateBasicTypeFieldValue(const CTempString &str_value, ERR_FieldType field_type, const string &props)

static string ERR_FieldTypeToString(ERR_FieldType type)

Exception to be used throughout API.

virtual CRowReaderException(const CDiagCompileInfo &info, const CException *prev_exception, EErrCode err_code, const string &message, CRR_Context *ctxt, EDiagSev severity=eDiag_Error) const char GetErrCodeString)(void) const override

virtual void ReportExtra(ostream &out) const override

Report "non-standard" attributes.

virtual void x_Assign(const CException &src) override

Helper method for copying exception data.

@ eIteratorWhileValidating

@ eDereferencingEndIterator

@ eDereferencingNoDataIterator

void SetContext(CRR_Context *ctxt)

unique_ptr< CRR_Context > m_Context

CRR_Context * GetContext(void) const

CTempString implements a light-weight string on top of a storage buffer whose lifetime management is ...

const_iterator end() const

iterator_bool insert(const value_type &val)

const_iterator find(const key_type &key) const

std::ofstream out("events_result.xml")

main entry point for tests

EDiagSev

Severity level for the posted diagnostics.

@ eDiag_Error

Error message.

TErrCode GetErrCode(void) const

Get error code.

virtual void x_Assign(const CException &src)

Helper method for copying exception data.

#define NCBI_THROW2(exception_class, err_code, message, extra)

Throw exception with extra parameter.

EErrCode

Error types that an application can generate.

#define NCBI_RETHROW2(prev_exception, exception_class, err_code, message, extra)

Re-throw exception with extra parameter.

#define NCBI_EXCEPTION_DEFAULT_IMPLEMENTATION(exception_class, base_class)

Helper macro for default exception implementation.

virtual const char * GetErrCodeString(void) const

Get error code interpreted as text.

virtual const char * what(void) const noexcept

Standard report (includes full backlog).

int64_t Int8

8-byte (64-bit) signed integer

uint64_t Uint8

8-byte (64-bit) unsigned integer

IO_PREFIX::istream CNcbiIstream

Portable alias for istream.

static bool StringToBool(const CTempString str)

Convert string to bool.

static TNumeric StringToNumeric(const CTempString str, TStringToNumFlags flags=0, int base=10)

Convert string to a numeric value.

const char * data(void) const

Return a pointer to the array represented.

static enable_if< is_arithmetic< TNumeric >::value||is_convertible< TNumeric, Int8 >::value, string >::type NumericToString(TNumeric value, TNumToStringFlags flags=0, int base=10)

Convert numeric value to string.

size_type size(void) const

Return the length of the represented array.

const GenericPointer< typename T::ValueType > T2 value

Uint4 TFieldNo

Field number (zero based)

@ eRR_Metadata

row contains metadata

@ eRR_Invalid

row is invalid

@ eRR_Data

row contains data

@ eRR_Comment

row contains a comment

Uint8 TLineNo

Line number (in the data stream, zero based)

Uint8 TStreamPos

Position in the data stream (zero based)

ERR_FieldType

Basic field data types.

ERR_TranslationResult

The Translate() callback result. It is used to translate field values.

@ eRR_UseOriginal

No translation done.

@ eRR_Translated

The value has been translated to another string.

@ eRR_Null

The value has been translated to NULL.

ERR_Action

Delimited stream traits use the ERR_Action members to instruct what should be done next.

@ eRR_Continue_Data

Continue processing this line, in full.

@ eRR_Interrupt

Stop processing the stream.

@ eRR_Skip

Skip this line.

@ eRR_Continue_Metadata

Continue processing this line but skip Tokenize() and Translate()

@ eRR_Continue_Invalid

Continue processing this line but skip Tokenize() and Translate()

@ eRR_Continue_Comment

Continue processing this line but skip Tokenize() and Translate()

ERR_TraitsFlags

Miscellaneous trait-specific flags It is used when a row stream should be built on a file.

@ fRR_OpenFile_AsBinary

open file in a binary mode

@ fRR_Default

open file in a text mode

ERR_EventAction

How to react to the potentially disruptive events.

@ eRR_EventAction_Continue

Resume processing.

@ eRR_EventAction_Stop

Stop further processing.

@ eRR_EventAction_Default

Do some default action.

int TTraitsFlags

Bit-wise OR of ERR_TraitsFlags.

ERR_EventMode

Indicate whether the "ERR_Event" event (passed to the OnEvent() callback) occured during regular read...

@ eRR_EventMode_Validating

We are performing data validation.

@ eRR_EventMode_Iterating

We are iterating through the rows.

ERR_Event

CRowReader passes such events to the Traits via OnEvent() callback.

@ eRR_Event_SourceEnd

Data source has hit EOF.

@ eRR_Event_SourceBegin

Data source has started or been switched (no reads yet though).

@ eRR_Event_SourceError

Data source has hit an error on read.

SRR_SourceInfo(CNcbiIstream *s, const string &sourcename, bool owner)

static CS_CONTEXT * context

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