814 lines
28 KiB
C++
814 lines
28 KiB
C++
// NOTE: [$CSTR] Dqn_CString8 ======================================================================
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DQN_API Dqn_usize Dqn_CString8_FSize(DQN_FMT_STRING_ANNOTATE char const *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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Dqn_usize result = STB_SPRINTF_DECORATE(vsnprintf)(nullptr, 0, fmt, args);
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va_end(args);
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return result;
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}
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DQN_API Dqn_usize Dqn_CString8_FVSize(DQN_FMT_STRING_ANNOTATE char const *fmt, va_list args)
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{
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va_list args_copy;
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va_copy(args_copy, args);
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Dqn_usize result = STB_SPRINTF_DECORATE(vsnprintf)(nullptr, 0, fmt, args_copy);
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va_end(args_copy);
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return result;
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}
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DQN_API Dqn_usize Dqn_CString8_Size(char const *src)
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{
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Dqn_usize result = 0;
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while (src && src[0] != 0) {
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src++;
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result++;
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}
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return result;
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}
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DQN_API Dqn_usize Dqn_CString16_Size(wchar_t const *src)
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{
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Dqn_usize result = 0;
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while (src && src[0] != 0) {
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src++;
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result++;
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}
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return result;
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}
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// NOTE: [$STR8] Dqn_String8 =======================================================================
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DQN_API Dqn_String8 Dqn_String8_InitCString8(char const *src)
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{
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Dqn_usize size = Dqn_CString8_Size(src);
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Dqn_String8 result = Dqn_String8_Init(src, size);
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return result;
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}
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DQN_API bool Dqn_String8_IsAll(Dqn_String8 string, Dqn_String8IsAll is_all)
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{
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bool result = Dqn_String8_IsValid(string);
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if (!result)
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return result;
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switch (is_all) {
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case Dqn_String8IsAll_Digits: {
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for (Dqn_usize index = 0; result && index < string.size; index++)
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result = string.data[index] >= '0' && string.data[index] <= '9';
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} break;
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case Dqn_String8IsAll_Hex: {
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Dqn_String8 trimmed = Dqn_String8_TrimPrefix(string, DQN_STRING8("0x"), Dqn_String8EqCase_Insensitive);
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for (Dqn_usize index = 0; result && index < string.size; index++) {
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char ch = trimmed.data[index];
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result = (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F');
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}
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} break;
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}
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return result;
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}
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DQN_API Dqn_String8 Dqn_String8_Slice(Dqn_String8 string, Dqn_usize offset, Dqn_usize size)
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{
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Dqn_String8 result = Dqn_String8_Init(string.data, 0);
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if (!Dqn_String8_IsValid(result))
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return result;
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Dqn_usize capped_offset = DQN_MIN(offset, string.size);
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Dqn_usize max_size = string.size - capped_offset;
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Dqn_usize capped_size = DQN_MIN(size, max_size);
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result = Dqn_String8_Init(string.data + capped_offset, capped_size);
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return result;
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}
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DQN_API Dqn_String8 Dqn_String8_Advance(Dqn_String8 string, Dqn_usize amount)
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{
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Dqn_String8 result = Dqn_String8_Slice(string, amount, UINT64_MAX);
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return result;
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}
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DQN_API Dqn_String8BinarySplitResult Dqn_String8_BinarySplitArray(Dqn_String8 string, Dqn_String8 const *find, Dqn_usize find_size)
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{
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Dqn_String8BinarySplitResult result = {};
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if (!Dqn_String8_IsValid(string) || !find || find_size == 0)
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return result;
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result.lhs = string;
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for (size_t index = 0; !result.rhs.data && index <= string.size; index++) {
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for (Dqn_usize find_index = 0; find_index < find_size; find_index++) {
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Dqn_String8 find_item = find[find_index];
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Dqn_String8 string_slice = Dqn_String8_Slice(string, index, find_item.size);
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if (Dqn_String8_Eq(string_slice, find_item)) {
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result.lhs.size = index;
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result.rhs.data = string_slice.data + find_item.size;
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result.rhs.size = string.size - (index + find_item.size);
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break;
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}
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}
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}
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return result;
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}
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DQN_API Dqn_String8BinarySplitResult Dqn_String8_BinarySplit(Dqn_String8 string, Dqn_String8 find)
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{
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Dqn_String8BinarySplitResult result = Dqn_String8_BinarySplitArray(string, &find, 1);
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return result;
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}
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DQN_API Dqn_usize Dqn_String8_Split(Dqn_String8 string, Dqn_String8 delimiter, Dqn_String8 *splits, Dqn_usize splits_count)
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{
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Dqn_usize result = 0; // The number of splits in the actual string.
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if (!Dqn_String8_IsValid(string) || !Dqn_String8_IsValid(delimiter) || delimiter.size <= 0)
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return result;
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Dqn_usize splits_index = 0; // The number of splits written.
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Dqn_usize begin = 0;
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for (Dqn_usize index = 0; index < string.size; ) {
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// NOTE: Check if we encountered the substring that is the delimiter
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Dqn_String8 check = Dqn_String8_Slice(string, index, delimiter.size);
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if (!Dqn_String8_Eq(check, delimiter)) {
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index++;
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continue;
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}
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// NOTE: Generate the split
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Dqn_String8 split = Dqn_String8_Init(string.data + begin, index - begin);
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if (splits && splits_index < splits_count && split.size)
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splits[splits_index++] = split;
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// NOTE: Advance the iterators
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result += (split.size > 0);
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index += delimiter.size;
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begin = index;
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}
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return result;
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}
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DQN_API Dqn_String8SplitAllocResult Dqn_String8_SplitAlloc(Dqn_Allocator allocator,
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Dqn_String8 string,
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Dqn_String8 delimiter)
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{
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Dqn_String8SplitAllocResult result = {};
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Dqn_usize splits_required = Dqn_String8_Split(string, delimiter, /*splits*/ nullptr, /*count*/ 0);
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result.data = Dqn_Allocator_NewArray(allocator, Dqn_String8, splits_required, Dqn_ZeroMem_No);
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if (result.data) {
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result.size = Dqn_String8_Split(string, delimiter, result.data, splits_required);
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DQN_ASSERT(splits_required == result.size);
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}
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return result;
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}
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DQN_API Dqn_String8FindResult Dqn_String8_FindFirstStringArray(Dqn_String8 string, Dqn_String8 const *find, Dqn_usize find_size)
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{
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Dqn_String8FindResult result = {};
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if (!Dqn_String8_IsValid(string) || !find || find_size == 0)
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return result;
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for (Dqn_usize index = 0; !result.found && index < string.size; index++) {
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for (Dqn_usize find_index = 0; find_index < find_size; find_index++) {
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Dqn_String8 find_item = find[find_index];
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Dqn_String8 string_slice = Dqn_String8_Slice(string, index, find_item.size);
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if (Dqn_String8_Eq(string_slice, find_item)) {
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result.found = true;
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result.index = index;
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result.start_to_before_match = Dqn_String8_Init(string.data, index);
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result.match = Dqn_String8_Init(string.data + index, find_item.size);
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result.match_to_end_of_buffer = Dqn_String8_Init(result.match.data, string.size - index);
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break;
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}
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}
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}
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return result;
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}
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DQN_API Dqn_String8FindResult Dqn_String8_FindFirstString(Dqn_String8 string, Dqn_String8 find)
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{
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Dqn_String8FindResult result = Dqn_String8_FindFirstStringArray(string, &find, 1);
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return result;
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}
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DQN_API Dqn_String8FindResult Dqn_String8_FindFirst(Dqn_String8 string, uint32_t flags)
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{
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Dqn_String8FindResult result = {};
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for (size_t index = 0; !result.found && index < string.size; index++) {
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result.found |= ((flags & Dqn_String8FindFlag_Digit) && Dqn_Char_IsDigit(string.data[index]));
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result.found |= ((flags & Dqn_String8FindFlag_Alphabet) && Dqn_Char_IsAlphabet(string.data[index]));
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result.found |= ((flags & Dqn_String8FindFlag_Whitespace) && Dqn_Char_IsWhitespace(string.data[index]));
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result.found |= ((flags & Dqn_String8FindFlag_Plus) && string.data[index] == '+');
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result.found |= ((flags & Dqn_String8FindFlag_Minus) && string.data[index] == '-');
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if (result.found) {
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result.index = index;
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result.match = Dqn_String8_Init(string.data + index, 1);
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result.match_to_end_of_buffer = Dqn_String8_Init(result.match.data, string.size - index);
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}
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}
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return result;
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}
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DQN_API Dqn_String8 Dqn_String8_Segment(Dqn_Allocator allocator, Dqn_String8 src, Dqn_usize segment_size, char segment_char)
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{
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Dqn_usize result_size = src.size;
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if (result_size > segment_size)
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result_size += (src.size / segment_size) - 1; // NOTE: No segment on the first chunk.
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Dqn_String8 result = Dqn_String8_Allocate(allocator, result_size, Dqn_ZeroMem_Yes);
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Dqn_usize write_index = 0;
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DQN_FOR_UINDEX(src_index, src.size) {
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result.data[write_index++] = src.data[src_index];
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if ((src_index + 1) % segment_size == 0 && (src_index + 1) < src.size)
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result.data[write_index++] = segment_char;
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DQN_ASSERTF(write_index <= result.size, "result.size=%zu, write_index=%zu", result.size, write_index);
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}
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DQN_ASSERTF(write_index == result.size, "result.size=%zu, write_index=%zu", result.size, write_index);
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return result;
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}
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DQN_API bool Dqn_String8_Eq(Dqn_String8 lhs, Dqn_String8 rhs, Dqn_String8EqCase eq_case)
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{
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if (lhs.size != rhs.size)
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return false;
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if (lhs.size == 0)
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return true;
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if (!lhs.data || !rhs.data)
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return false;
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bool result = true;
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switch (eq_case) {
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case Dqn_String8EqCase_Sensitive: {
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result = (DQN_MEMCMP(lhs.data, rhs.data, lhs.size) == 0);
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} break;
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case Dqn_String8EqCase_Insensitive: {
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for (Dqn_usize index = 0; index < lhs.size && result; index++)
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result = (Dqn_Char_ToLower(lhs.data[index]) == Dqn_Char_ToLower(rhs.data[index]));
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} break;
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}
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return result;
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}
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DQN_API bool Dqn_String8_EqInsensitive(Dqn_String8 lhs, Dqn_String8 rhs)
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{
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bool result = Dqn_String8_Eq(lhs, rhs, Dqn_String8EqCase_Insensitive);
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return result;
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}
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DQN_API bool Dqn_String8_StartsWith(Dqn_String8 string, Dqn_String8 prefix, Dqn_String8EqCase eq_case)
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{
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Dqn_String8 substring = {string.data, DQN_MIN(prefix.size, string.size)};
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bool result = Dqn_String8_Eq(substring, prefix, eq_case);
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return result;
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}
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DQN_API bool Dqn_String8_StartsWithInsensitive(Dqn_String8 string, Dqn_String8 prefix)
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{
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bool result = Dqn_String8_StartsWith(string, prefix, Dqn_String8EqCase_Insensitive);
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return result;
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}
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DQN_API bool Dqn_String8_EndsWith(Dqn_String8 string, Dqn_String8 suffix, Dqn_String8EqCase eq_case)
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{
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Dqn_String8 substring = {string.data + string.size - suffix.size, DQN_MIN(string.size, suffix.size)};
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bool result = Dqn_String8_Eq(substring, suffix, eq_case);
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return result;
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}
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DQN_API bool Dqn_String8_EndsWithInsensitive(Dqn_String8 string, Dqn_String8 suffix)
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{
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bool result = Dqn_String8_EndsWith(string, suffix, Dqn_String8EqCase_Insensitive);
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return result;
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}
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DQN_API bool Dqn_String8_HasChar(Dqn_String8 string, char ch)
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{
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bool result = false;
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for (Dqn_usize index = 0; !result && index < string.size; index++)
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result = string.data[index] == ch;
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return result;
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}
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DQN_API Dqn_String8 Dqn_String8_TrimPrefix(Dqn_String8 string, Dqn_String8 prefix, Dqn_String8EqCase eq_case)
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{
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Dqn_String8 result = string;
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if (Dqn_String8_StartsWith(string, prefix, eq_case)) {
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result.data += prefix.size;
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result.size -= prefix.size;
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}
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return result;
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}
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DQN_API Dqn_String8 Dqn_String8_TrimSuffix(Dqn_String8 string, Dqn_String8 suffix, Dqn_String8EqCase eq_case)
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{
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Dqn_String8 result = string;
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if (Dqn_String8_EndsWith(string, suffix, eq_case))
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result.size -= suffix.size;
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return result;
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}
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DQN_API Dqn_String8 Dqn_String8_TrimWhitespaceAround(Dqn_String8 string)
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{
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Dqn_String8 result = string;
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if (!Dqn_String8_IsValid(string))
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return result;
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char const *start = string.data;
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char const *end = string.data + string.size;
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while (start < end && Dqn_Char_IsWhitespace(start[0]))
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start++;
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while (end > start && Dqn_Char_IsWhitespace(end[-1]))
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end--;
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result = Dqn_String8_Init(start, end - start);
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return result;
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}
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DQN_API Dqn_String8 Dqn_String8_TrimByteOrderMark(Dqn_String8 string)
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{
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Dqn_String8 result = string;
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if (!Dqn_String8_IsValid(result))
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return result;
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// TODO(dqn): This is little endian
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Dqn_String8 UTF8_BOM = DQN_STRING8("\xEF\xBB\xBF");
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Dqn_String8 UTF16_BOM_BE = DQN_STRING8("\xEF\xFF");
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Dqn_String8 UTF16_BOM_LE = DQN_STRING8("\xFF\xEF");
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Dqn_String8 UTF32_BOM_BE = DQN_STRING8("\x00\x00\xFE\xFF");
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Dqn_String8 UTF32_BOM_LE = DQN_STRING8("\xFF\xFE\x00\x00");
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result = Dqn_String8_TrimPrefix(result, UTF8_BOM, Dqn_String8EqCase_Sensitive);
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result = Dqn_String8_TrimPrefix(result, UTF16_BOM_BE, Dqn_String8EqCase_Sensitive);
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result = Dqn_String8_TrimPrefix(result, UTF16_BOM_LE, Dqn_String8EqCase_Sensitive);
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result = Dqn_String8_TrimPrefix(result, UTF32_BOM_BE, Dqn_String8EqCase_Sensitive);
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result = Dqn_String8_TrimPrefix(result, UTF32_BOM_LE, Dqn_String8EqCase_Sensitive);
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return result;
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}
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DQN_API Dqn_String8 Dqn_String8_FileNameFromPath(Dqn_String8 path)
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{
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Dqn_String8 result = path;
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if (!Dqn_String8_IsValid(result))
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return result;
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DQN_MSVC_WARNING_PUSH
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DQN_MSVC_WARNING_DISABLE(6293) // Ill-defined for-loop.
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for (Dqn_usize index = result.size - 1; index < result.size; --index) {
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if (result.data[index] == '\\' || result.data[index] == '/') {
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char const *end = result.data + result.size;
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result.data = result.data + (index + 1);
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result.size = end - result.data;
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break;
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}
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}
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DQN_MSVC_WARNING_POP
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return result;
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}
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DQN_API Dqn_String8ToU64Result Dqn_String8_ToU64(Dqn_String8 string, char separator)
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{
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// NOTE: Argument check
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Dqn_String8ToU64Result result = {};
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if (!Dqn_String8_IsValid(string))
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return result;
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// NOTE: Sanitize input/output
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Dqn_String8 trim_string = Dqn_String8_TrimWhitespaceAround(string);
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if (trim_string.size == 0) {
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result.success = false;
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return result;
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}
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// NOTE: Handle prefix '+'
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Dqn_usize start_index = 0;
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if (!Dqn_Char_IsDigit(trim_string.data[0])) {
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if (trim_string.data[0] != '+')
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return result;
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start_index++;
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}
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// NOTE: Convert the string number to the binary number
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for (Dqn_usize index = start_index; index < trim_string.size; index++) {
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char ch = trim_string.data[index];
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if (index) {
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if (separator != 0 && ch == separator)
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continue;
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}
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if (!Dqn_Char_IsDigit(ch))
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return result;
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result.value = Dqn_Safe_MulU64(result.value, 10);
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uint64_t digit = ch - '0';
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result.value = Dqn_Safe_AddU64(result.value, digit);
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}
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result.success = true;
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return result;
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}
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DQN_API Dqn_String8ToI64Result Dqn_String8_ToI64(Dqn_String8 string, char separator)
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{
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// NOTE: Argument check
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Dqn_String8ToI64Result result = {};
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if (!Dqn_String8_IsValid(string))
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return result;
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// NOTE: Sanitize input/output
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Dqn_String8 trim_string = Dqn_String8_TrimWhitespaceAround(string);
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if (trim_string.size == 0) {
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result.success = false;
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return result;
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}
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bool negative = false;
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Dqn_usize start_index = 0;
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if (!Dqn_Char_IsDigit(trim_string.data[0])) {
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negative = (trim_string.data[start_index] == '-');
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if (!negative && trim_string.data[0] != '+')
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return result;
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start_index++;
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}
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// NOTE: Convert the string number to the binary number
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for (Dqn_usize index = start_index; index < trim_string.size; index++) {
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char ch = trim_string.data[index];
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if (index) {
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if (separator != 0 && ch == separator)
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continue;
|
||
}
|
||
|
||
if (!Dqn_Char_IsDigit(ch))
|
||
return result;
|
||
|
||
result.value = Dqn_Safe_MulU64(result.value, 10);
|
||
uint64_t digit = ch - '0';
|
||
result.value = Dqn_Safe_AddU64(result.value, digit);
|
||
}
|
||
|
||
if (negative)
|
||
result.value *= -1;
|
||
|
||
result.success = true;
|
||
return result;
|
||
}
|
||
|
||
DQN_API Dqn_String8 Dqn_String8_Replace(Dqn_String8 string,
|
||
Dqn_String8 find,
|
||
Dqn_String8 replace,
|
||
Dqn_usize start_index,
|
||
Dqn_Allocator allocator,
|
||
Dqn_String8EqCase eq_case)
|
||
{
|
||
Dqn_String8 result = {};
|
||
if (!Dqn_String8_IsValid(string) || !Dqn_String8_IsValid(find) || find.size > string.size || find.size == 0 || string.size == 0) {
|
||
result = Dqn_String8_Copy(allocator, string);
|
||
return result;
|
||
}
|
||
|
||
Dqn_ThreadScratch scratch = Dqn_Thread_GetScratch(allocator.user_context);
|
||
Dqn_String8Builder string_builder = {};
|
||
string_builder.allocator = scratch.allocator;
|
||
Dqn_usize max = string.size - find.size;
|
||
Dqn_usize head = start_index;
|
||
|
||
for (Dqn_usize tail = head; tail <= max; tail++) {
|
||
Dqn_String8 check = Dqn_String8_Slice(string, tail, find.size);
|
||
if (!Dqn_String8_Eq(check, find, eq_case))
|
||
continue;
|
||
|
||
if (start_index > 0 && string_builder.string_size == 0) {
|
||
// User provided a hint in the string to start searching from, we
|
||
// need to add the string up to the hint. We only do this if there's
|
||
// a replacement action, otherwise we have a special case for no
|
||
// replacements, where the entire string gets copied.
|
||
Dqn_String8 slice = Dqn_String8_Init(string.data, head);
|
||
Dqn_String8Builder_AppendRef(&string_builder, slice);
|
||
}
|
||
|
||
Dqn_String8 range = Dqn_String8_Slice(string, head, (tail - head));
|
||
Dqn_String8Builder_AppendRef(&string_builder, range);
|
||
Dqn_String8Builder_AppendRef(&string_builder, replace);
|
||
head = tail + find.size;
|
||
tail += find.size - 1; // NOTE: -1 since the for loop will post increment us past the end of the find string
|
||
}
|
||
|
||
if (string_builder.string_size == 0) {
|
||
// NOTE: No replacement possible, so we just do a full-copy
|
||
result = Dqn_String8_Copy(allocator, string);
|
||
} else {
|
||
Dqn_String8 remainder = Dqn_String8_Init(string.data + head, string.size - head);
|
||
Dqn_String8Builder_AppendRef(&string_builder, remainder);
|
||
result = Dqn_String8Builder_Build(&string_builder, allocator);
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
DQN_API Dqn_String8 Dqn_String8_ReplaceInsensitive(Dqn_String8 string, Dqn_String8 find, Dqn_String8 replace, Dqn_usize start_index, Dqn_Allocator allocator)
|
||
{
|
||
Dqn_String8 result = Dqn_String8_Replace(string, find, replace, start_index, allocator, Dqn_String8EqCase_Insensitive);
|
||
return result;
|
||
}
|
||
|
||
DQN_API void Dqn_String8_Remove(Dqn_String8 *string, Dqn_usize offset, Dqn_usize size)
|
||
{
|
||
if (!string || !Dqn_String8_IsValid(*string))
|
||
return;
|
||
|
||
char *end = string->data + string->size;
|
||
char *dest = DQN_MIN(string->data + offset, end);
|
||
char *src = DQN_MIN(string->data + offset + size, end);
|
||
Dqn_usize bytes_to_move = end - src;
|
||
DQN_MEMMOVE(dest, src, bytes_to_move);
|
||
string->size -= bytes_to_move;
|
||
}
|
||
|
||
#if defined(__cplusplus)
|
||
DQN_API bool operator==(Dqn_String8 const &lhs, Dqn_String8 const &rhs)
|
||
{
|
||
bool result = Dqn_String8_Eq(lhs, rhs, Dqn_String8EqCase_Sensitive);
|
||
return result;
|
||
}
|
||
|
||
DQN_API bool operator!=(Dqn_String8 const &lhs, Dqn_String8 const &rhs)
|
||
{
|
||
bool result = !(lhs == rhs);
|
||
return result;
|
||
}
|
||
#endif
|
||
|
||
DQN_API Dqn_String8 Dqn_String8_InitF(Dqn_Allocator allocator, DQN_FMT_STRING_ANNOTATE char const *fmt, ...)
|
||
{
|
||
va_list va;
|
||
va_start(va, fmt);
|
||
Dqn_String8 result = Dqn_String8_InitFV(allocator, fmt, va);
|
||
va_end(va);
|
||
return result;
|
||
}
|
||
|
||
DQN_API Dqn_String8 Dqn_String8_InitFV(Dqn_Allocator allocator, DQN_FMT_STRING_ANNOTATE char const *fmt, va_list args)
|
||
{
|
||
Dqn_String8 result = {};
|
||
if (!fmt)
|
||
return result;
|
||
|
||
Dqn_usize size = Dqn_CString8_FVSize(fmt, args);
|
||
if (size) {
|
||
result = Dqn_String8_Allocate(allocator, size, Dqn_ZeroMem_No);
|
||
if (Dqn_String8_IsValid(result))
|
||
STB_SPRINTF_DECORATE(vsnprintf)(result.data, Dqn_Safe_SaturateCastISizeToInt(size + 1 /*null-terminator*/), fmt, args);
|
||
}
|
||
return result;
|
||
}
|
||
|
||
DQN_API Dqn_String8 Dqn_String8_Allocate(Dqn_Allocator allocator, Dqn_usize size, Dqn_ZeroMem zero_mem)
|
||
{
|
||
Dqn_String8 result = {};
|
||
result.data = (char *)Dqn_Allocator_Alloc(allocator, size + 1, alignof(char), zero_mem);
|
||
if (result.data)
|
||
result.size = size;
|
||
return result;
|
||
}
|
||
|
||
DQN_API Dqn_String8 Dqn_String8_CopyCString(Dqn_Allocator allocator, char const *string, Dqn_usize size)
|
||
{
|
||
Dqn_String8 result = {};
|
||
if (!string)
|
||
return result;
|
||
|
||
result = Dqn_String8_Allocate(allocator, size, Dqn_ZeroMem_No);
|
||
if (Dqn_String8_IsValid(result)) {
|
||
DQN_MEMCPY(result.data, string, size);
|
||
result.data[size] = 0;
|
||
}
|
||
return result;
|
||
}
|
||
|
||
DQN_API Dqn_String8 Dqn_String8_Copy(Dqn_Allocator allocator, Dqn_String8 string)
|
||
{
|
||
Dqn_String8 result = Dqn_String8_CopyCString(allocator, string.data, string.size);
|
||
return result;
|
||
}
|
||
|
||
// NOTE: [$STRB] Dqn_String8Builder ================================================================
|
||
DQN_API bool Dqn_String8Builder_AppendRef(Dqn_String8Builder *builder, Dqn_String8 string)
|
||
{
|
||
if (!builder || !string.data || string.size <= 0)
|
||
return false;
|
||
|
||
Dqn_String8Link *link = Dqn_Allocator_New(builder->allocator, Dqn_String8Link, Dqn_ZeroMem_No);
|
||
if (!link)
|
||
return false;
|
||
|
||
link->string = string;
|
||
link->next = NULL;
|
||
|
||
if (builder->head)
|
||
builder->tail->next = link;
|
||
else
|
||
builder->head = link;
|
||
|
||
builder->tail = link;
|
||
builder->count++;
|
||
builder->string_size += string.size;
|
||
return true;
|
||
}
|
||
|
||
DQN_API bool Dqn_String8Builder_AppendCopy(Dqn_String8Builder *builder, Dqn_String8 string)
|
||
{
|
||
Dqn_String8 copy = Dqn_String8_Copy(builder->allocator, string);
|
||
bool result = Dqn_String8Builder_AppendRef(builder, copy);
|
||
return result;
|
||
}
|
||
|
||
DQN_API bool Dqn_String8Builder_AppendFV(Dqn_String8Builder *builder, DQN_FMT_STRING_ANNOTATE char const *fmt, va_list args)
|
||
{
|
||
Dqn_String8 string = Dqn_String8_InitFV(builder->allocator, fmt, args);
|
||
if (string.size == 0)
|
||
return true;
|
||
|
||
bool result = Dqn_String8Builder_AppendRef(builder, string);
|
||
if (!result)
|
||
Dqn_Allocator_Dealloc(builder->allocator, string.data, string.size + 1);
|
||
return result;
|
||
}
|
||
|
||
DQN_API bool Dqn_String8Builder_AppendF(Dqn_String8Builder *builder, DQN_FMT_STRING_ANNOTATE char const *fmt, ...)
|
||
{
|
||
va_list args;
|
||
va_start(args, fmt);
|
||
bool result = Dqn_String8Builder_AppendFV(builder, fmt, args);
|
||
va_end(args);
|
||
return result;
|
||
}
|
||
|
||
DQN_API Dqn_String8 Dqn_String8Builder_Build(Dqn_String8Builder const *builder, Dqn_Allocator allocator)
|
||
{
|
||
Dqn_String8 result = DQN_ZERO_INIT;
|
||
if (!builder || builder->string_size <= 0 || builder->count <= 0)
|
||
return result;
|
||
|
||
result.data = Dqn_Allocator_NewArray(allocator, char, builder->string_size + 1, Dqn_ZeroMem_No);
|
||
if (!result.data)
|
||
return result;
|
||
|
||
for (Dqn_String8Link *link = builder->head; link; link = link->next) {
|
||
DQN_MEMCPY(result.data + result.size, link->string.data, link->string.size);
|
||
result.size += link->string.size;
|
||
}
|
||
|
||
result.data[result.size] = 0;
|
||
DQN_ASSERT(result.size == builder->string_size);
|
||
return result;
|
||
}
|
||
|
||
// NOTE: [$CHAR] Dqn_Char ==========================================================================
|
||
DQN_API bool Dqn_Char_IsAlphabet(char ch)
|
||
{
|
||
bool result = (ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z');
|
||
return result;
|
||
}
|
||
|
||
DQN_API bool Dqn_Char_IsDigit(char ch)
|
||
{
|
||
bool result = (ch >= '0' && ch <= '9');
|
||
return result;
|
||
}
|
||
|
||
DQN_API bool Dqn_Char_IsAlphaNum(char ch)
|
||
{
|
||
bool result = Dqn_Char_IsAlphabet(ch) || Dqn_Char_IsDigit(ch);
|
||
return result;
|
||
}
|
||
|
||
DQN_API bool Dqn_Char_IsWhitespace(char ch)
|
||
{
|
||
bool result = (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r');
|
||
return result;
|
||
}
|
||
|
||
DQN_API bool Dqn_Char_IsHex(char ch)
|
||
{
|
||
bool result = ((ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F') || (ch >= '0' && ch <= '9'));
|
||
return result;
|
||
}
|
||
|
||
DQN_API uint8_t Dqn_Char_HexToU8(char ch)
|
||
{
|
||
DQN_ASSERTF(Dqn_Char_IsHex(ch), "Hex character not valid '%c'", ch);
|
||
|
||
uint8_t result = 0;
|
||
if (ch >= 'a' && ch <= 'f')
|
||
result = ch - 'a' + 10;
|
||
else if (ch >= 'A' && ch <= 'F')
|
||
result = ch - 'A' + 10;
|
||
else
|
||
result = ch - '0';
|
||
return result;
|
||
}
|
||
|
||
static char constexpr DQN_HEX_LUT[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
|
||
DQN_API char Dqn_Char_ToHex(char ch)
|
||
{
|
||
char result = DQN_CAST(char)-1;
|
||
if (ch < 16)
|
||
result = DQN_HEX_LUT[DQN_CAST(uint8_t)ch];
|
||
return result;
|
||
}
|
||
|
||
DQN_API char Dqn_Char_ToHexUnchecked(char ch)
|
||
{
|
||
char result = DQN_HEX_LUT[DQN_CAST(uint8_t)ch];
|
||
return result;
|
||
}
|
||
|
||
DQN_API char Dqn_Char_ToLower(char ch)
|
||
{
|
||
char result = ch;
|
||
if (result >= 'A' && result <= 'Z')
|
||
result += 'a' - 'A';
|
||
return result;
|
||
}
|
||
|
||
// NOTE: [$UTFX] Dqn_UTF ===========================================================================
|
||
DQN_API int Dqn_UTF8_EncodeCodepoint(uint8_t utf8[4], uint32_t codepoint)
|
||
{
|
||
// NOTE: Table from https://www.reedbeta.com/blog/programmers-intro-to-unicode/
|
||
// ----------------------------------------+----------------------------+--------------------+
|
||
// UTF-8 (binary) | Code point (binary) | Range |
|
||
// ----------------------------------------+----------------------------+--------------------+
|
||
// 0xxx'xxxx | xxx'xxxx | U+0000 - U+007F |
|
||
// 110x'xxxx 10yy'yyyy | xxx'xxyy'yyyy | U+0080 - U+07FF |
|
||
// 1110'xxxx 10yy'yyyy 10zz'zzzz | xxxx'yyyy'yyzz'zzzz | U+0800 - U+FFFF |
|
||
// 1111'0xxx 10yy'yyyy 10zz'zzzz 10ww'wwww | x'xxyy'yyyy'zzzz'zzww'wwww | U+10000 - U+10FFFF |
|
||
// ----------------------------------------+----------------------------+--------------------+
|
||
|
||
if (codepoint <= 0b0111'1111)
|
||
{
|
||
utf8[0] = DQN_CAST(uint8_t)codepoint;
|
||
return 1;
|
||
}
|
||
|
||
if (codepoint <= 0b0111'1111'1111)
|
||
{
|
||
utf8[0] = (0b1100'0000 | ((codepoint >> 6) & 0b01'1111)); // x
|
||
utf8[1] = (0b1000'0000 | ((codepoint >> 0) & 0b11'1111)); // y
|
||
return 2;
|
||
}
|
||
|
||
if (codepoint <= 0b1111'1111'1111'1111)
|
||
{
|
||
utf8[0] = (0b1110'0000 | ((codepoint >> 12) & 0b00'1111)); // x
|
||
utf8[1] = (0b1000'0000 | ((codepoint >> 6) & 0b11'1111)); // y
|
||
utf8[2] = (0b1000'0000 | ((codepoint >> 0) & 0b11'1111)); // z
|
||
return 3;
|
||
}
|
||
|
||
if (codepoint <= 0b1'1111'1111'1111'1111'1111)
|
||
{
|
||
utf8[0] = (0b1111'0000 | ((codepoint >> 18) & 0b00'0111)); // x
|
||
utf8[1] = (0b1000'0000 | ((codepoint >> 12) & 0b11'1111)); // y
|
||
utf8[2] = (0b1000'0000 | ((codepoint >> 6) & 0b11'1111)); // z
|
||
utf8[3] = (0b1000'0000 | ((codepoint >> 0) & 0b11'1111)); // w
|
||
return 4;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
DQN_API int Dqn_UTF16_EncodeCodepoint(uint16_t utf16[2], uint32_t codepoint)
|
||
{
|
||
// NOTE: Table from https://www.reedbeta.com/blog/programmers-intro-to-unicode/
|
||
// ----------------------------------------+------------------------------------+------------------+
|
||
// UTF-16 (binary) | Code point (binary) | Range |
|
||
// ----------------------------------------+------------------------------------+------------------+
|
||
// xxxx'xxxx'xxxx'xxxx | xxxx'xxxx'xxxx'xxxx | U+0000–U+FFFF |
|
||
// 1101'10xx'xxxx'xxxx 1101'11yy'yyyy'yyyy | xxxx'xxxx'xxyy'yyyy'yyyy + 0x10000 | U+10000–U+10FFFF |
|
||
// ----------------------------------------+------------------------------------+------------------+
|
||
|
||
if (codepoint <= 0b1111'1111'1111'1111)
|
||
{
|
||
utf16[0] = DQN_CAST(uint16_t)codepoint;
|
||
return 1;
|
||
}
|
||
|
||
if (codepoint <= 0b1111'1111'1111'1111'1111)
|
||
{
|
||
uint32_t surrogate_codepoint = codepoint + 0x10000;
|
||
utf16[0] = 0b1101'1000'0000'0000 | ((surrogate_codepoint >> 10) & 0b11'1111'1111); // x
|
||
utf16[1] = 0b1101'1100'0000'0000 | ((surrogate_codepoint >> 0) & 0b11'1111'1111); // y
|
||
return 2;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|