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// file : build2/utility.ixx -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
namespace build2
{
inline size_t
next_word (const string& s, size_t& b, size_t& e, char d1, char d2)
{
return next_word (s, s.size (), b, e, d1, d2);
}
inline size_t
next_word (const string& s, size_t n, size_t& b, size_t& e, char d1, char d2)
{
if (b != e)
b = e;
// Skip leading delimiters.
//
for (; b != n && (s[b] == d1 || s[b] == d2); ++b) ;
if (b == n)
{
e = n;
return 0;
}
// Find first trailing delimiter.
//
for (e = b + 1; e != n && s[e] != d1 && s[e] != d2; ++e) ;
return e - b;
}
template <typename T>
inline void
append_options (cstrings& args, T& s, const char* var)
{
append_options (args, s[var]);
}
template <typename T>
inline void
hash_options (sha256& csum, T& s, const char* var)
{
hash_options (csum, s[var]);
}
template <typename T>
inline bool
find_option (const char* o, T& s, const char* var, bool ic)
{
return find_option (o, s[var], ic);
}
template <typename T>
inline bool
find_options (initializer_list<const char*> os,
T& s,
const char* var,
bool ic)
{
return find_options (os, s[var], ic);
}
template <typename T>
inline bool
find_option_prefix (const char* p, T& s, const char* var, bool ic)
{
return find_option_prefix (p, s[var], ic);
}
template <typename T>
inline bool
find_option_prefixes (initializer_list<const char*> ps,
T& s,
const char* var,
bool ic)
{
return find_option_prefixes (ps, s[var], ic);
}
}
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