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fix bool lexical casts

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oops
This commit is contained in:
Kae 2024-09-22 16:24:20 +10:00
parent ca48a137ec
commit 3e8f914154
2 changed files with 29 additions and 1 deletions
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23
source/core/StarLexicalCast.cpp
View File

@ -10,4 +10,27 @@ void throwLexicalCastError(std::errc ec, const char* first, const char* last) {
throw BadLexicalCast(strf("Lexical cast failed on '{}'", str));
}
template <>
bool tryLexicalCast(bool& result, const char* first, const char* last) {
size_t len = last - first;
if (strncmp(first, "true", len) == 0)
result = true;
else if (strncmp(first, "false", len) != 0)
return false;
result = false;
return true;
}
template <>
bool lexicalCast(const char* first, const char* last) {
size_t len = last - first;
if (strncmp(first, "true", len) == 0)
return true;
else if (strncmp(first, "false", len) != 0)
throwLexicalCastError(std::errc(), first, last);
return false;
}
}

7
source/core/StarLexicalCast.hpp
View File

@ -19,6 +19,9 @@ bool tryLexicalCast(Type& result, const char* first, const char* last) {
return res.ptr == last && (res.ec == std::errc() || res.ec == std::errc::result_out_of_range);
}
template <>
bool tryLexicalCast(bool& result, const char* first, const char* last);
template <typename Type>
bool tryLexicalCast(Type& result, String const& s) {
return tryLexicalCast<Type>(s.utf8Ptr(), s.utf8Ptr() + s.utf8Size());
@ -43,7 +46,6 @@ Maybe<Type> maybeLexicalCast(StringView s) {
return maybeLexicalCast<Type>(s.utf8Ptr(), s.utf8Ptr() + s.utf8Size());
}
template <typename Type>
Type lexicalCast(const char* first, const char* last) {
Type result{};
@ -54,6 +56,9 @@ Type lexicalCast(const char* first, const char* last) {
return result;
}
template <>
bool lexicalCast(const char* first, const char* last);
template <typename Type>
Type lexicalCast(StringView s) {
return lexicalCast<Type>(s.utf8Ptr(), s.utf8Ptr() + s.utf8Size());