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fixup! ircd: Add tokens_after() util.

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This commit is contained in:
Jason Volk 2017-03-20 19:22:58 -07:00
parent 91cd0327bd
commit 98c51be27d
1 changed files with 20 additions and 14 deletions
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34
ircd/lexical.cc
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@ -23,20 +23,6 @@
#include <RB_INC_BOOST_TOKENIZER_HPP #include <RB_INC_BOOST_TOKENIZER_HPP
#include <RB_INC_BOOST_LEXICAL_CAST_HPP #include <RB_INC_BOOST_LEXICAL_CAST_HPP
ircd::string_view
ircd::tokens_after(const string_view &str,
const char *const &sep,
const size_t &i)
try
{
const auto t(token(str, sep, i + 1));
return { t.data(), str.data() + str.size() };
}
catch(const std::out_of_range &e)
{
return {};
}
ircd::string_view ircd::string_view
ircd::token_first(const string_view &str, ircd::token_first(const string_view &str,
const char *const &sep) const char *const &sep)
@ -44,6 +30,26 @@ ircd::token_first(const string_view &str,
return token(str, sep, 0); return token(str, sep, 0);
} }
ircd::string_view
ircd::tokens_after(const string_view &str,
const char *const &sep,
const size_t &i)
{
using type = string_view;
using iter = typename type::const_iterator;
using delim = boost::char_separator<char>;
const delim d(sep);
const boost::tokenizer<delim, iter, type> view(str, d);
auto it(begin(view));
for(size_t j(0); it != end(view); ++it, j++)
if(j > i)
return string_view{it->data(), str.data() + str.size()};
return {};
}
ircd::string_view ircd::string_view
ircd::token_last(const string_view &str, ircd::token_last(const string_view &str,
const char *const &sep) const char *const &sep)