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.. index:: tsv_protocol .. _tsv_protocol/0:
.. rst-class:: right
protocol
tsv_protocol
TSV file and stream reading and writing protocol.
| Availability:
| logtalk_load(tsv(loader))
| Author: Paulo Moura | Version: 1:0:0 | Date: 2023-11-15
| Compilation flags:
| static
| Dependencies: | (none)
| Remarks:
- Type-checking: Some of the predicate file and stream argument type-checking exceptions depend on the Prolog backend compliance with standards.
| Inherited public predicates: | (none)
.. contents:: :local: :backlinks: top
Public predicates
.. index:: read_file/3 .. _tsv_protocol/0::read_file/3:
read_file/3 ^^^^^^^^^^^^^^^
Reads a TSV file saving the data as clauses for the specified object predicate. Fails if the file cannot be parsed.
| Compilation flags:
| static
| Template:
| read_file(File,Object,Predicate)
| Mode and number of proofs:
| read_file(+atom,+object_identifier,+predicate_indicator) - zero_or_one
| Exceptions:
| File is a variable:
| instantiation_error
| File is neither a variable nor an atom:
| type_error(atom,File)
| File is an atom but not an existing file:
| existence_error(file,File)
| File is an existing file but cannot be opened for reading:
| permission_error(open,source_sink,File)
| Object is a variable:
| instantiation_error
| Object is neither a variable nor an object identifier:
| type_error(object_identifier,Object)
| Object is a valid object identifier but not an existing object:
| existence_error(object,Object)
| Predicate is a variable:
| instantiation_error
| Predicate is neither a variable nor a predicate indicator:
| type_error(predicate_indicator,Predicate)
| Predicate is a valid predicate indicator but not an existing public predicate:
| existence_error(predicate,Predicate)
.. index:: read_stream/3 .. _tsv_protocol/0::read_stream/3:
read_stream/3 ^^^^^^^^^^^^^^^^^
Reads a TSV stream saving the data as clauses for the specified object predicate. Fails if the stream cannot be parsed.
| Compilation flags:
| static
| Template:
| read_stream(Stream,Object,Predicate)
| Mode and number of proofs:
| read_stream(+stream_or_alias,+object_identifier,+predicate_indicator) - zero_or_one
| Exceptions:
| Stream is a variable:
| instantiation_error
| Stream is neither a variable nor a stream-term or alias:
| domain_error(stream_or_alias,Stream)
| Stream is not an open stream:
| existence_error(stream,Stream)
| Stream is an output stream:
| permission_error(input,stream,Stream)
| Stream is a binary stream:
| permission_error(input,binary_stream,Stream)
| Object is a variable:
| instantiation_error
| Object is neither a variable nor an object identifier:
| type_error(object_identifier,Object)
| Object is a valid object identifier but not an existing object:
| existence_error(object,Object)
| Predicate is a variable:
| instantiation_error
| Predicate is neither a variable nor a predicate indicator:
| type_error(predicate_indicator,Predicate)
| Predicate is a valid predicate indicator but not an existing public predicate:
| existence_error(predicate,Predicate)
.. index:: read_file/2 .. _tsv_protocol/0::read_file/2:
read_file/2 ^^^^^^^^^^^^^^^
Reads a TSV file returning the data as a list of rows, each row a list of fields. Fails if the file cannot be parsed.
| Compilation flags:
| static
| Template:
| read_file(File,Rows)
| Mode and number of proofs:
| read_file(+atom,-list(list)) - zero_or_one
| Exceptions:
| File is a variable:
| instantiation_error
| File is neither a variable nor an atom:
| type_error(atom,File)
| File is an atom but not an existing file:
| existence_error(file,File)
| File is an existing file but cannot be opened for reading:
| permission_error(open,source_sink,File)
.. index:: read_stream/2 .. _tsv_protocol/0::read_stream/2:
read_stream/2 ^^^^^^^^^^^^^^^^^
Reads a TSV stream returning the data as a list of rows, each row a list of fields. Fails if the stream cannot be parsed.
| Compilation flags:
| static
| Template:
| read_stream(Stream,Rows)
| Mode and number of proofs:
| read_stream(+stream_or_alias,-list(list)) - zero_or_one
| Exceptions:
| Stream is a variable:
| instantiation_error
| Stream is neither a variable nor a stream-term or alias:
| domain_error(stream_or_alias,Stream)
| Stream is not an open stream:
| existence_error(stream,Stream)
| Stream is an output stream:
| permission_error(input,stream,Stream)
| Stream is a binary stream:
| permission_error(input,binary_stream,Stream)
.. index:: read_file_by_line/3 .. _tsv_protocol/0::read_file_by_line/3:
read_file_by_line/3 ^^^^^^^^^^^^^^^^^^^^^^^
Reads a TSV file saving the data as clauses for the specified object predicate. The file is read line by line. Fails if the file cannot be parsed.
| Compilation flags:
| static
| Template:
| read_file_by_line(File,Object,Predicate)
| Mode and number of proofs:
| read_file_by_line(+atom,+object_identifier,+predicate_indicator) - zero_or_one
| Exceptions:
| File is a variable:
| instantiation_error
| File is neither a variable nor an atom:
| type_error(atom,File)
| File is an atom but not an existing file:
| existence_error(file,File)
| File is an existing file but cannot be opened for reading:
| permission_error(open,source_sink,File)
| Object is a variable:
| instantiation_error
| Object is neither a variable nor an object identifier:
| type_error(object_identifier,Object)
| Object is a valid object identifier but not an existing object:
| existence_error(object,Object)
| Predicate is a variable:
| instantiation_error
| Predicate is neither a variable nor a predicate indicator:
| type_error(predicate_indicator,Predicate)
| Predicate is a valid predicate indicator but not an existing public predicate:
| existence_error(predicate,Predicate)
.. index:: read_stream_by_line/3 .. _tsv_protocol/0::read_stream_by_line/3:
read_stream_by_line/3 ^^^^^^^^^^^^^^^^^^^^^^^^^
Reads a TSV stream saving the data as clauses for the specified object predicate. The stream is read line by line. Fails if the stream cannot be parsed.
| Compilation flags:
| static
| Template:
| read_stream_by_line(Stream,Object,Predicate)
| Mode and number of proofs:
| read_stream_by_line(+stream_or_alias,+object_identifier,+predicate_indicator) - zero_or_one
| Exceptions:
| Stream is a variable:
| instantiation_error
| Stream is neither a variable nor a stream-term or alias:
| domain_error(stream_or_alias,Stream)
| Stream is not an open stream:
| existence_error(stream,Stream)
| Stream is an output stream:
| permission_error(input,stream,Stream)
| Stream is a binary stream:
| permission_error(input,binary_stream,Stream)
| Object is a variable:
| instantiation_error
| Object is neither a variable nor an object identifier:
| type_error(object_identifier,Object)
| Object is a valid object identifier but not an existing object:
| existence_error(object,Object)
| Predicate is a variable:
| instantiation_error
| Predicate is neither a variable nor a predicate indicator:
| type_error(predicate_indicator,Predicate)
| Predicate is a valid predicate indicator but not an existing public predicate:
| existence_error(predicate,Predicate)
.. index:: read_file_by_line/2 .. _tsv_protocol/0::read_file_by_line/2:
read_file_by_line/2 ^^^^^^^^^^^^^^^^^^^^^^^
Reads a TSV file returning the data as a list of rows, each row a list of fields. The file is read line by line. Fails if the file cannot be parsed.
| Compilation flags:
| static
| Template:
| read_file_by_line(File,Rows)
| Mode and number of proofs:
| read_file_by_line(+atom,-list(list)) - zero_or_one
| Exceptions:
| File is a variable:
| instantiation_error
| File is neither a variable nor an atom:
| type_error(atom,File)
| File is an atom but not an existing file:
| existence_error(file,File)
| File is an existing file but cannot be opened for reading:
| permission_error(open,source_sink,File)
.. index:: read_stream_by_line/2 .. _tsv_protocol/0::read_stream_by_line/2:
read_stream_by_line/2 ^^^^^^^^^^^^^^^^^^^^^^^^^
Reads a TSV stream returning the data as a list of rows, each row a list of fields. The stream is read line by line. Fails if the stream cannot be parsed.
| Compilation flags:
| static
| Template:
| read_stream_by_line(Stream,Rows)
| Mode and number of proofs:
| read_stream_by_line(+stream_or_alias,-list(list)) - zero_or_one
| Exceptions:
| Stream is a variable:
| instantiation_error
| Stream is neither a variable nor a stream-term or alias:
| domain_error(stream_or_alias,Stream)
| Stream is not an open stream:
| existence_error(stream,Stream)
| Stream is an output stream:
| permission_error(input,stream,Stream)
| Stream is a binary stream:
| permission_error(input,binary_stream,Stream)
.. index:: write_file/3 .. _tsv_protocol/0::write_file/3:
write_file/3 ^^^^^^^^^^^^^^^^
Writes a TSV file with the data represented by the clauses of the specified object predicate.
| Compilation flags:
| static
| Template:
| write_file(File,Object,Predicate)
| Mode and number of proofs:
| write_file(+atom,+object_identifier,+predicate_indicator) - one
| Exceptions:
| File is a variable:
| instantiation_error
| File is neither a variable nor an atom:
| type_error(atom,File)
| File is an atom but cannot be opened for writing:
| permission_error(open,source_sink,File)
| Object is a variable:
| instantiation_error
| Object is neither a variable nor an object identifier:
| type_error(object_identifier,Object)
| Object is a valid object identifier but not an existing object:
| existence_error(object,Object)
| Predicate is a variable:
| instantiation_error
| Predicate is neither a variable nor a predicate indicator:
| type_error(predicate_indicator,Predicate)
| Predicate is a valid predicate indicator but not an existing public predicate:
| existence_error(predicate,Predicate)
.. index:: write_stream/3 .. _tsv_protocol/0::write_stream/3:
write_stream/3 ^^^^^^^^^^^^^^^^^^
Writes a TSV stream with the data represented by the clauses of the specified object predicate.
| Compilation flags:
| static
| Template:
| write_stream(Stream,Object,Predicate)
| Mode and number of proofs:
| write_stream(+stream_or_alias,+object_identifier,+predicate_indicator) - one
| Exceptions:
| Stream is a variable:
| instantiation_error
| Stream is neither a variable nor a stream-term or alias:
| domain_error(stream_or_alias,Stream)
| Stream is not an open stream:
| existence_error(stream,Stream)
| Stream is an input stream:
| permission_error(output,stream,Stream)
| Stream is a binary stream:
| permission_error(output,binary_stream,Stream)
| Object is a variable:
| instantiation_error
| Object is neither a variable nor an object identifier:
| type_error(object_identifier,Object)
| Object is a valid object identifier but not an existing object:
| existence_error(object,Object)
| Predicate is a variable:
| instantiation_error
| Predicate is neither a variable nor a predicate indicator:
| type_error(predicate_indicator,Predicate)
| Predicate is a valid predicate indicator but not an existing public predicate:
| existence_error(predicate,Predicate)
Protected predicates
(none)
Private predicates
(none)
Operators
(none)