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Compact operator overloads for FixedString

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Doyle T 2018-06-11 18:03:18 +10:00
parent 056c0b3aea
commit d740efdf06
1 changed files with 15 additions and 44 deletions
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59
dqn.h
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@ -2011,10 +2011,19 @@ struct DqnSmartString : public DqnString
~DqnSmartString() { this->Free(); } ~DqnSmartString() { this->Free(); }
}; };
DQN_FILE_SCOPE DqnString DqnString_(DqnMemAPI *const api = DQN_DEFAULT_HEAP_ALLOCATOR);
DQN_FILE_SCOPE DqnString DqnString_(DqnMemStack *const stack);
// NOTE: First level of indirection needs to turn the combined dqnstring_(guid) into a name. Otherwise
// each use of literalVarName will increment __COUNTER__
#define DQN_STRING_LITERAL_INTERNAL(srcVariable, literal, literalVarName) \
{}; \
char literalVarName[] = literal; \
srcVariable.InitLiteralNoAlloc(literalVarName, DQN_CHAR_COUNT(literalVarName))
// #DqnFixedString Public API - Fixed sized strings at compile time // #DqnFixedString Public API - Fixed sized strings at compile time
// ================================================================================================= // =================================================================================================
int DqnFixedString__Append(char *dest, int destSize, char const *src, int len = -1); FILE_SCOPE int DqnFixedString__Append(char *dest, int destSize, char const *src, int len = -1);
template <unsigned int MAX> template <unsigned int MAX>
struct DqnFixedString struct DqnFixedString
@ -2033,10 +2042,10 @@ struct DqnFixedString
DqnFixedString &operator+=(DqnSlice<char> const &other) { this->len = DqnFixedString__Append(this->str + this->len, MAX - this->len, other.data, other.len); return *this; } DqnFixedString &operator+=(DqnSlice<char> const &other) { this->len = DqnFixedString__Append(this->str + this->len, MAX - this->len, other.data, other.len); return *this; }
DqnFixedString &operator+=(DqnFixedString const &other) { this->len = DqnFixedString__Append(this->str + this->len, MAX - this->len, other.str, other.len); return *this; } DqnFixedString &operator+=(DqnFixedString const &other) { this->len = DqnFixedString__Append(this->str + this->len, MAX - this->len, other.str, other.len); return *this; }
DqnFixedString operator+ (char const *other); DqnFixedString operator+ (char const *other) { DqnFixedString result = *this; result.len += DqnFixedString__Append(result.str + result.len, MAX - result.len, other); return result; }
DqnFixedString operator+ (DqnSlice<char const> const &other); DqnFixedString operator+ (DqnSlice<char const> const &other) { DqnFixedString result = *this; result.len += DqnFixedString__Append(result.str + result.len, MAX - result.len, other.data, other.len); return result; }
DqnFixedString operator+ (DqnSlice<char> const &other); DqnFixedString operator+ (DqnSlice<char> const &other) { DqnFixedString result = *this; result.len += DqnFixedString__Append(result.str + result.len, MAX - result.len, other.data, other.len); return result; }
DqnFixedString operator+ (DqnFixedString const &other); DqnFixedString operator+ (DqnFixedString const &other) { DqnFixedString result = *this; result.len += DqnFixedString__Append(result.str + result.len, MAX - result.len, other.str, other.len); return result; }
// Xprintf functions always modifies buffer and null-terminates even with insufficient buffer size. // Xprintf functions always modifies buffer and null-terminates even with insufficient buffer size.
// Asserts on failure if DQN_ASSERT is defined. // Asserts on failure if DQN_ASSERT is defined.
@ -2050,33 +2059,6 @@ struct DqnFixedString
void Clear (Dqn::ZeroClear clear = Dqn::ZeroClear::False) { if (clear == Dqn::ZeroClear::True) DqnMem_Set(str, 0, MAX); this = {}; } void Clear (Dqn::ZeroClear clear = Dqn::ZeroClear::False) { if (clear == Dqn::ZeroClear::True) DqnMem_Set(str, 0, MAX); this = {}; }
}; };
template <unsigned int MAX>
DqnFixedString<MAX> DqnFixedString<MAX>::operator+(char const *other)
{
DqnFixedString result = {};
result.len += DqnFixedString__Append(result.str + result.len, MAX - result.len, this->str, this->len);
result.len += DqnFixedString__Append(result.str + result.len, MAX - result.len, other);
return result;
}
template <unsigned int MAX>
DqnFixedString<MAX> DqnFixedString<MAX>::operator+(DqnSlice<char const> const &other)
{
DqnFixedString result = {};
result.len += DqnFixedString__Append(result.str + result.len, MAX - result.len, this->str, this->len);
result.len += DqnFixedString__Append(result.str + result.len, MAX - result.len, other.data, other.len);
return result;
}
template <unsigned int MAX>
DqnFixedString<MAX> DqnFixedString<MAX>::operator+(DqnFixedString const &other)
{
DqnFixedString result = {};
result.len += DqnFixedString__Append(result.str + result.len, MAX - result.len, this->str, this->len);
result.len += DqnFixedString__Append(result.str + result.len, MAX - result.len, other.str, other.len);
return result;
}
template <unsigned int MAX> template <unsigned int MAX>
FILE_SCOPE bool FILE_SCOPE bool
DqnFixedString__VSprintf(DqnFixedString<MAX> *me, char const *fmt, va_list argList, int bufOffset) DqnFixedString__VSprintf(DqnFixedString<MAX> *me, char const *fmt, va_list argList, int bufOffset)
@ -2137,17 +2119,6 @@ bool DqnFixedString<MAX>::SprintfAppend(char const *fmt, ...)
return result; return result;
} }
DQN_FILE_SCOPE DqnString DqnString_(DqnMemAPI *const api = DQN_DEFAULT_HEAP_ALLOCATOR);
DQN_FILE_SCOPE DqnString DqnString_(DqnMemStack *const stack);
// NOTE: First level of indirection needs to turn the combined dqnstring_(guid) into a name. Otherwise
// each use of literalVarName will increment __COUNTER__
#define DQN_STRING_LITERAL_INTERNAL(srcVariable, literal, literalVarName) \
{}; \
char literalVarName[] = literal; \
srcVariable.InitLiteralNoAlloc(literalVarName, DQN_CHAR_COUNT(literalVarName))
// TODO(doyle): Load factor // TODO(doyle): Load factor
// #DqnHashTable API // #DqnHashTable API
// ================================================================================================= // =================================================================================================
@ -6465,7 +6436,7 @@ wchar_t *DqnString::ToWChar(DqnMemAPI *api) const
// #DqnFixedString Implementation // #DqnFixedString Implementation
// ================================================================================================= // =================================================================================================
// return: The number of bytes written to dest // return: The number of bytes written to dest
int DqnFixedString__Append(char *dest, int destSize, char const *src, int len) FILE_SCOPE int DqnFixedString__Append(char *dest, int destSize, char const *src, int len)
{ {
if (len <= -1) if (len <= -1)
{ {