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// file : libbuild2/utility.ixx -*- C++ -*-
// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
namespace build2
{
inline void
hash_path (sha256& cs, const path& p, const dir_path& prefix)
{
// Note: for efficiency we don't use path::leaf() and "skip" the prefix
// without copying.
//
const char* s (p.string ().c_str ());
if (!prefix.empty () && p.sub (prefix))
{
s += prefix.size (); // Does not include trailing slash except for root.
if (path::traits_type::is_separator (*s))
++s;
}
cs.append (s);
}
template <typename T>
inline void
append_options (cstrings& args, T& s, const variable& var, const char* e)
{
append_options (args, s[var], e);
}
template <typename T>
inline void
append_options (strings& args, T& s, const variable& var, const char* e)
{
append_options (args, s[var], e);
}
template <typename T>
inline void
hash_options (sha256& csum, T& s, const variable& var)
{
hash_options (csum, s[var]);
}
template <typename T>
inline void
append_options (cstrings& args, T& s, const char* var, const char* e)
{
append_options (args, s[var], e);
}
template <typename T>
inline void
append_options (strings& args, T& s, const char* var, const char* e)
{
append_options (args, s[var], e);
}
template <typename T>
inline void
hash_options (sha256& csum, T& s, const char* var)
{
hash_options (csum, s[var]);
}
inline void
append_options (cstrings& args, const strings& sv, const char* e)
{
if (size_t n = sv.size ())
append_options (args, sv, n, e);
}
inline void
append_options (strings& args, const strings& sv, const char* e)
{
if (size_t n = sv.size ())
append_options (args, sv, n, e);
}
inline void
hash_options (sha256& csum, const strings& sv)
{
if (size_t n = sv.size ())
hash_options (csum, sv, n);
}
template <typename T>
inline bool
find_option (const char* o, T& s, const variable& var, bool ic)
{
return find_option (o, s[var], ic);
}
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 variable& var,
bool ic)
{
return find_options (os, 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 const string*
find_option_prefix (const char* p, T& s, const variable& var, bool ic)
{
return find_option_prefix (p, s[var], ic);
}
template <typename T>
inline const string*
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 const string*
find_option_prefixes (initializer_list<const char*> ps,
T& s,
const variable& var,
bool ic)
{
return find_option_prefixes (ps, s[var], ic);
}
template <typename T>
inline const string*
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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