mirror of
https://github.com/matrix-construct/construct
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56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2021 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_GPT_VOCAB_H
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/// Vocabulary Tokenization & Encoding
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///
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namespace ircd::gpt::vocab
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{
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IRCD_EXCEPTION(gpt::error, error)
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// Actual number of tokens and merges stored in following lists.
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extern size_t
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tokens,
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merges;
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// Lists of tokens and merges. Values are strings up to length maxlen which
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// are null terminated if shorter.
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extern char
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token [65536][16],
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merge [65536][2][16];
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// Paths to the files containing token and merge datas.
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extern conf::item<std::string>
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tokens_path,
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merges_path;
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// Tokenize UTF-8 input string of any length into proper token values,
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vector_view<u16> tokenize(const vector_view<u16> &out, const string_view &in) noexcept;
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// Tokenize one token. The buffer is advanced consuming one token per call.
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u16 tokenize(const_buffer &) noexcept;
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// Tokenize one token. Error thrown if input is not exactly one token.
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u16 tokenize(const string_view &in, const bool prefix_space = false);
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// Return the number of tokens which would be output by a tokenize().
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size_t count(const string_view &in) noexcept;
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// Decode token values to build output text string.
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string_view detokenize(const mutable_buffer &out, const vector_view<const u16> &in) noexcept;
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// Return the length of the string which would be output by a detokenize().
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size_t count(const vector_view<const u16> &in) noexcept;
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// Other tools
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string_view debug(const mutable_buffer &buf, const u16 token, const uint fmt_msk = -1U);
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}
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