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Qore FixedLengthUtil Module Reference 1.6
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Provides a data provider for reading fixed-length files. More...
#include <FixedLengthReadDataProvider.qc.dox.h>
Public Member Functions | |
| constructor (*hash< auto > options) | |
| Creates the object from constructor options. | |
| constructor (InputStream stream, *string encoding, hash< auto > spec, *hash< auto > opts) | |
| Creates the FixedLengthReadDataProvider from a binary input data stream, the record specifications, and optionally an option hash. | |
| constructor (string path, hash< auto > spec, *hash< auto > opts) | |
| Creates the FixedLengthReadDataProvider with the input data path, the record specifications, and optionally an option hash. | |
| constructor (StringInputStream stream, hash< auto > spec, *hash< auto > opts) | |
| Creates the FixedLengthReadDataProvider with the string input data stream, the record specifications, and optionally an option hash. | |
| string | getName () |
| Returns the object name. | |
Public Attributes | |
| const | ConstructorOptions = ... |
| Constructor options. | |
| const | FixedLengthReadOptionList = keys (ConstructorOptions - ("path", "stream", "spec")) |
| iteration option list | |
| const | ProviderInfo = ... |
| Provider info. | |
Protected Member Functions | |
| *hash< string, AbstractDataField > | getRecordTypeImpl (*hash< auto > search_options) |
| Returns the description of the record type, if any. | |
| hash< DataProviderInfo > | getStaticInfoImpl () |
| Returns data provider static info. | |
| AbstractDataProviderRecordIterator | searchRecordsImpl (*hash< auto > where_cond, *hash< auto > search_options) |
| Returns an iterator for zero or more records matching the search options. | |
| AbstractDataProviderRecordIterator | searchRecordsImpl (*hash< DataProviderExpression > where_cond, *hash< auto > search_options) |
| Returns an iterator for zero or more records matching the search options. | |
Protected Attributes | |
| FixedLengthAbstractIterator | i |
| The iterator object. | |
Provides a data provider for reading fixed-length files.
Supports generic record search operators and options
| FixedLengthUtil::FixedLengthReadDataProvider::constructor | ( | InputStream | stream, |
| *string | encoding, | ||
| hash< auto > | spec, | ||
| *hash< auto > | opts ) |
Creates the FixedLengthReadDataProvider from a binary input data stream, the record specifications, and optionally an option hash.
| stream | the input stream to iterate |
| encoding | the encoding of the string data in the binary input stream |
| spec | Fixed-length line specification; see Specification Hash for more information |
| opts | a hash of options; see Global Options for more information |
| FIXED-LENGTH-UTIL-INVALID-SPEC | invalid record specification; invalid type or missing field length |
| FixedLengthUtil::FixedLengthReadDataProvider::constructor | ( | string | path, |
| hash< auto > | spec, | ||
| *hash< auto > | opts ) |
Creates the FixedLengthReadDataProvider with the input data path, the record specifications, and optionally an option hash.
| path | the input file to iterate |
| spec | Fixed-length line specification; see Specification Hash for more information |
| opts | a hash of options; see Global Options for more information |
| FIXED-LENGTH-UTIL-INVALID-SPEC | invalid record specification; invalid type or missing field length |
| FixedLengthUtil::FixedLengthReadDataProvider::constructor | ( | StringInputStream | stream, |
| hash< auto > | spec, | ||
| *hash< auto > | opts ) |
Creates the FixedLengthReadDataProvider with the string input data stream, the record specifications, and optionally an option hash.
| stream | the string input stream to iterate |
| spec | Fixed-length line specification; see Specification Hash for more information |
| opts | a hash of options; see Global Options for more information |
| FIXED-LENGTH-UTIL-INVALID-SPEC | invalid record specification; invalid type or missing field length |
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protected |
Returns an iterator for zero or more records matching the search options.
| where_cond | the search criteria |
| search_options | the search options after processing by validateSearchOptions() |
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protected |
Returns an iterator for zero or more records matching the search options.
| where_cond | the search criteria |
| search_options | the search options after processing by validateSearchOptions() |