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51 lines
1.7 KiB
Plaintext
51 lines
1.7 KiB
Plaintext
; Copyright (C) 2019-2022 Aleo Systems Inc.
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; This file is part of the Leo library.
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; The Leo library is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation, either version 3 of the License, or
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; (at your option) any later version.
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; The Leo library is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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; You should have received a copy of the GNU General Public License
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; along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Background on ABNF
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; ------------------
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; ABNF is an Internet standard:
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; for more info please checkout the
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; [README](./README.md) in this directory.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Format String
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; -------------------
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; This ABNF grammar consists of one grammar:
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; that describes how a Leo string-literal is parsed
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; for formatting. Meaning in this context
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; all characters are already parsed and we don't
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; have to worry about escapes or etc.
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not-brace = %x0-7A / %x7C / %x7E-10FFFF ; anything but { or }
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format-string-container = "{}"
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format-string-open-brace = "{{"
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format-string-close-brace = "}}"
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format-string-element = not-brace
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/ format-string-container
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/ format-string-open-brace
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/ format-string-close-brace
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format-string = *format-string-element
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