External/cxxopts
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Add option to display usage (#355)

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Make the usage displaying optional
This commit is contained in:
Yassir Najmaoui 2022-07-27 16:50:13 -04:00 committed by GitHub
parent 01798ee7a0
commit 2abdd4af4d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 4 deletions
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11
include/cxxopts.hpp
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@ -1893,7 +1893,7 @@ class Options
} }
std::string std::string
help(const std::vector<std::string>& groups = {}) const; help(const std::vector<std::string>& groups = {}, bool print_usage=true) const;
std::vector<std::string> std::vector<std::string>
groups() const; groups() const;
@ -2725,10 +2725,13 @@ Options::generate_all_groups_help(String& result) const
inline inline
std::string std::string
Options::help(const std::vector<std::string>& help_groups) const Options::help(const std::vector<std::string>& help_groups, bool print_usage) const
{ {
String result = m_help_string + "\nUsage:\n " + String result = m_help_string;
toLocalString(m_program) + " " + toLocalString(m_custom_help); if(print_usage)
{
result+= "\nUsage:\n " + toLocalString(m_program) + " " + toLocalString(m_custom_help);
}
if (!m_positional.empty() && !m_positional_help.empty()) { if (!m_positional.empty() && !m_positional_help.empty()) {
result += " " + toLocalString(m_positional_help); result += " " + toLocalString(m_positional_help);