diff options
Diffstat (limited to 'src/rpc/util.cpp')
| -rw-r--r-- | src/rpc/util.cpp | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/src/rpc/util.cpp b/src/rpc/util.cpp index 023b4b6746..e37af953fa 100644 --- a/src/rpc/util.cpp +++ b/src/rpc/util.cpp @@ -1,4 +1,4 @@ -// Copyright (c) 2017-2018 The Bitcoin Core developers +// Copyright (c) 2017-2019 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -315,6 +315,17 @@ std::string RPCExamples::ToDescriptionString() const return m_examples.empty() ? m_examples : "\nExamples:\n" + m_examples; } +bool RPCHelpMan::IsValidNumArgs(size_t num_args) const +{ + size_t num_required_args = 0; + for (size_t n = m_args.size(); n > 0; --n) { + if (!m_args.at(n - 1).IsOptional()) { + num_required_args = n; + break; + } + } + return num_required_args <= num_args && num_args <= m_args.size(); +} std::string RPCHelpMan::ToString() const { std::string ret; @@ -323,12 +334,7 @@ std::string RPCHelpMan::ToString() const ret += m_name; bool was_optional{false}; for (const auto& arg : m_args) { - bool optional; - if (arg.m_fallback.which() == 1) { - optional = true; - } else { - optional = RPCArg::Optional::NO != boost::get<RPCArg::Optional>(arg.m_fallback); - } + const bool optional = arg.IsOptional(); ret += " "; if (optional) { if (!was_optional) ret += "( "; @@ -370,6 +376,15 @@ std::string RPCHelpMan::ToString() const return ret; } +bool RPCArg::IsOptional() const +{ + if (m_fallback.which() == 1) { + return true; + } else { + return RPCArg::Optional::NO != boost::get<RPCArg::Optional>(m_fallback); + } +} + std::string RPCArg::ToDescriptionString() const { std::string ret; |