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Suppress conversion warnings in match_results. #208

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Merged
merged 1 commit into from
Mar 25, 2024
Merged

Suppress conversion warnings in match_results. #208

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33 changes: 28 additions & 5 deletions include/boost/regex/v5/match_results.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -97,15 +97,23 @@ class match_results
bool empty() const
{ return m_subs.size() < 2; }
// element access:
difference_type length(int sub = 0) const
private:
difference_type do_get_length(int sub = 0) const
{
if(m_is_singular)
if (m_is_singular)
raise_logic_error();
sub += 2;
if((sub < (int)m_subs.size()) && (sub > 0))
if ((sub < (int)m_subs.size()) && (sub > 0))
return m_subs[sub].length();
return 0;
}
public:
template <class Integer>
typename std::enable_if<std::is_integral<Integer>::value, difference_type>::type length(Integer sub) const
{
return do_get_length(static_cast<int>(sub));
}
difference_type length() const { return do_get_length(0); }
difference_type length(const char_type* sub) const
{
if(m_is_singular)
Expand Down Expand Up @@ -161,7 +169,8 @@ class match_results
{
return position(sub.c_str());
}
string_type str(int sub = 0) const
private:
string_type do_get_string(int sub = 0) const
{
if(m_is_singular)
raise_logic_error();
Expand All @@ -177,6 +186,13 @@ class match_results
}
return result;
}
public:
template <class Integer>
typename std::enable_if<std::is_integral<Integer>::value, string_type>::type str(Integer sub) const
{
return do_get_string(static_cast<int>(sub));
}
string_type str() const { return do_get_string(0); }
string_type str(const char_type* sub) const
{
return (*this)[sub].str();
Expand All @@ -196,7 +212,8 @@ class match_results
{
return (*this)[sub].str();
}
const_reference operator[](int sub) const
private:
const_reference get_at(int sub) const
{
if(m_is_singular && m_subs.empty())
raise_logic_error();
Expand All @@ -207,6 +224,12 @@ class match_results
}
return m_null;
}
public:
template <class Integer>
typename std::enable_if<std::is_integral<Integer>::value, const_reference>::type operator[](Integer sub) const
{
return get_at(static_cast<int>(sub));
}
//
// Named sub-expressions:
//
Expand Down