# -*- mode: qore; indent-tabs-mode: nil -*-
# Qore CsvDataIterator class definition

/*  CsvDataIterator.qc Copyright 2012 - 2023 Qore Technologies, s.r.o.

    Permission is hereby granted, free of charge, to any person obtaining a
    copy of this software and associated documentation files (the "Software"),
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    the rights to use, copy, modify, merge, publish, distribute, sublicense,
    and/or sell copies of the Software, and to permit persons to whom the
    Software is furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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    DEALINGS IN THE SOFTWARE.
*/

# assume local var scope, do not use "$" for vars, members, and method calls
%new-style
%strict-args
%require-types
%enable-all-warnings

#! the CsvUtil namespace. All classes used in the CsvUtil module should be inside this namespace
public namespace CsvUtil {
    #! The CsvDataIterator class allows arbitrary CSV string data to be iterated on a record basis
    /** The class is deprecated as @ref CsvIterator provides more flexibility.
        @see
        - @ref CsvUtil::CsvIterator "CsvIterator" for a stream-based class providing the same functionality as this class in a more generic way
        - @ref abstractcsviterator_options
        - @ref abstractcsviterator_option_field_types
        - @ref abstractcsviterator_option_field_hash
     */
    public class CsvDataIterator inherits CsvUtil::AbstractCsvIterator {

        #! Creates the CsvDataIterator with the input data and optionally an option hash
        /** @param data the input data to iterate
            @param opts a hash of optional options; see @ref abstractcsviterator_options for more information

            @throw ABSTRACTCSVITERATOR-ERROR invalid or unknown option; invalid data type for option; \c "header_names" is @ref True "True" and \c "header_lines" is 0 or \c "headers" is also present; unknown field type
         */
        constructor(string data, *hash opts) : AbstractCsvIterator(new DataLineIterator(data, opts.eol), opts) {
        }

        #! Creates the CsvDataIterator in multi-type mode with the path of the file to read and an option hash
        /** @param data the input data to iterate
            @param spec a hash of field and type definition; see @ref abstractcsviterator_option_field_hash for more information
            @param opts a hash of optional options; see @ref abstractcsviterator_options for more information
         */
        constructor(string data, hash spec, hash opts) : AbstractCsvIterator(new DataLineIterator(data, opts.eol), spec, opts) {
        }

        auto memberGate(string name) {
            return AbstractCsvIterator::memberGate(name);
        }

    } # CsvDataIterator class
} # CsvUtil namespace
