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9bcce2608d
Move miniscript / descriptor script parsing functions out of util library so they are not a dependency of the kernel. There are no changes to code or behavior.
41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
// Copyright (c) 2018-2022 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_SCRIPT_PARSING_H
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#define BITCOIN_SCRIPT_PARSING_H
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#include <span.h>
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#include <string>
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namespace script {
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/** Parse a constant.
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*
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* If sp's initial part matches str, sp is updated to skip that part, and true is returned.
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* Otherwise sp is unmodified and false is returned.
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*/
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bool Const(const std::string& str, Span<const char>& sp);
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/** Parse a function call.
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*
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* If sp's initial part matches str + "(", and sp ends with ")", sp is updated to be the
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* section between the braces, and true is returned. Otherwise sp is unmodified and false
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* is returned.
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*/
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bool Func(const std::string& str, Span<const char>& sp);
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/** Extract the expression that sp begins with.
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*
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* This function will return the initial part of sp, up to (but not including) the first
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* comma or closing brace, skipping ones that are surrounded by braces. So for example,
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* for "foo(bar(1),2),3" the initial part "foo(bar(1),2)" will be returned. sp will be
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* updated to skip the initial part that is returned.
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*/
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Span<const char> Expr(Span<const char>& sp);
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} // namespace script
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#endif // BITCOIN_SCRIPT_PARSING_H
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