139 lines
4.6 KiB
C++
139 lines
4.6 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
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// Copyright 2008-2016 National ICT Australia (NICTA)
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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//! \addtogroup diskio
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//! @{
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namespace csv_opts
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{
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typedef unsigned int flag_type;
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struct opts
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{
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const flag_type flags;
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inline constexpr explicit opts(const flag_type in_flags);
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inline const opts operator+(const opts& rhs) const;
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};
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inline
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constexpr
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opts::opts(const flag_type in_flags)
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: flags(in_flags)
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{}
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inline
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const opts
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opts::operator+(const opts& rhs) const
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{
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const opts result( flags | rhs.flags );
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return result;
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}
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// The values below (eg. 1u << 0) are for internal Armadillo use only.
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// The values can change without notice.
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static constexpr flag_type flag_none = flag_type(0 );
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static constexpr flag_type flag_trans = flag_type(1u << 0);
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static constexpr flag_type flag_no_header = flag_type(1u << 1);
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static constexpr flag_type flag_with_header = flag_type(1u << 2);
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static constexpr flag_type flag_semicolon = flag_type(1u << 3);
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static constexpr flag_type flag_strict = flag_type(1u << 4);
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struct opts_none : public opts { inline constexpr opts_none() : opts(flag_none ) {} };
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struct opts_trans : public opts { inline constexpr opts_trans() : opts(flag_trans ) {} };
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struct opts_no_header : public opts { inline constexpr opts_no_header() : opts(flag_no_header ) {} };
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struct opts_with_header : public opts { inline constexpr opts_with_header() : opts(flag_with_header) {} };
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struct opts_semicolon : public opts { inline constexpr opts_semicolon() : opts(flag_semicolon ) {} };
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struct opts_strict : public opts { inline constexpr opts_strict() : opts(flag_strict ) {} };
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static constexpr opts_none none;
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static constexpr opts_trans trans;
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static constexpr opts_no_header no_header;
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static constexpr opts_with_header with_header;
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static constexpr opts_semicolon semicolon;
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static constexpr opts_strict strict;
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}
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struct csv_name
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{
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typedef field<std::string> header_type;
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const std::string filename;
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const csv_opts::opts opts;
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header_type header_junk;
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const header_type& header_ro;
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header_type& header_rw;
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inline
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csv_name(const std::string& in_filename)
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: filename (in_filename )
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, opts (csv_opts::no_header)
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, header_ro(header_junk )
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, header_rw(header_junk )
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{}
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inline
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csv_name(const std::string& in_filename, const csv_opts::opts& in_opts)
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: filename (in_filename )
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, opts (csv_opts::no_header + in_opts)
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, header_ro(header_junk )
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, header_rw(header_junk )
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{}
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inline
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csv_name(const std::string& in_filename, field<std::string>& in_header)
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: filename (in_filename )
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, opts (csv_opts::with_header)
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, header_ro(in_header )
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, header_rw(in_header )
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{}
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inline
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csv_name(const std::string& in_filename, const field<std::string>& in_header)
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: filename (in_filename )
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, opts (csv_opts::with_header)
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, header_ro(in_header )
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, header_rw(header_junk )
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{}
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inline
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csv_name(const std::string& in_filename, field<std::string>& in_header, const csv_opts::opts& in_opts)
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: filename (in_filename )
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, opts (csv_opts::with_header + in_opts)
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, header_ro(in_header )
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, header_rw(in_header )
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{}
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inline
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csv_name(const std::string& in_filename, const field<std::string>& in_header, const csv_opts::opts& in_opts)
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: filename (in_filename )
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, opts (csv_opts::with_header + in_opts)
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, header_ro(in_header )
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, header_rw(header_junk )
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{}
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};
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//! @}
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