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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | pmbaty | 1 | /* |
| 2 | * This file is copyright by Rebirth contributors and licensed as |
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| 3 | * described in COPYING.txt. |
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| 4 | * See COPYING.txt for license details. |
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| 5 | */ |
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| 6 | |||
| 7 | #pragma once |
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| 8 | |||
| 9 | #include <algorithm> |
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| 10 | #include <cassert> |
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| 11 | #include <cstdint> |
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| 12 | #include <cstdlib> |
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| 13 | #include <cstring> |
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| 14 | #include <iterator> |
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| 15 | #include <type_traits> |
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| 16 | #include "dxxsconf.h" |
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| 17 | #include "ntstring.h" |
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| 18 | |||
| 19 | template <std::size_t N> |
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| 20 | static inline bool cmp(const char *token, const char *equal, const char (&name)[N]) |
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| 21 | { |
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| 22 | return &token[N - 1] == equal && !strncmp(token, name, N - 1); |
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| 23 | } |
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| 24 | |||
| 25 | template <typename F, typename T> |
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| 26 | static inline bool convert_integer(F *f, T &t, const char *value, int base) |
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| 27 | { |
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| 28 | char *e; |
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| 29 | auto r = (*f)(value, &e, base); |
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| 30 | if (*e) |
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| 31 | /* Trailing garbage found */ |
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| 32 | return false; |
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| 33 | T tr = static_cast<T>(r); |
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| 34 | if (r != tr) |
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| 35 | /* Result truncated */ |
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| 36 | return false; |
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| 37 | t = tr; |
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| 38 | return true; |
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| 39 | } |
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| 40 | |||
| 41 | template <typename T> |
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| 42 | static inline typename std::enable_if<std::is_signed<T>::value, bool>::type convert_integer(T &t, const char *value, int base = 10) |
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| 43 | { |
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| 44 | return convert_integer(strtol, t, value, base); |
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| 45 | } |
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| 46 | |||
| 47 | template <typename T> |
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| 48 | static inline typename std::enable_if<std::is_unsigned<T>::value, bool>::type convert_integer(T &t, const char *value, int base = 10) |
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| 49 | { |
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| 50 | return convert_integer(strtoul, t, value, base); |
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| 51 | } |
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| 52 | |||
| 53 | template <std::size_t N> |
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| 54 | static inline void convert_string(ntstring<N> &out, const char *const value, const char *eol) |
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| 55 | { |
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| 56 | assert(*eol == 0); |
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| 57 | const std::size_t i = std::distance(value, ++ eol); |
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| 58 | if (i > out.size()) |
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| 59 | /* Only if not truncated */ |
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| 60 | return; |
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| 61 | std::copy(value, eol, out.begin()); |
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| 62 | } |