Dqn/dqn_string.cpp

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#pragma once
#include "dqn.h"
/*
////////////////////////////////////////////////////////////////////////////////////////////////////
//
// $$$$$$\ $$$$$$$$\ $$$$$$$\ $$$$$$\ $$\ $$\ $$$$$$\
// $$ __$$\\__$$ __|$$ __$$\ \_$$ _|$$$\ $$ |$$ __$$\
// $$ / \__| $$ | $$ | $$ | $$ | $$$$\ $$ |$$ / \__|
// \$$$$$$\ $$ | $$$$$$$ | $$ | $$ $$\$$ |$$ |$$$$\
// \____$$\ $$ | $$ __$$< $$ | $$ \$$$$ |$$ |\_$$ |
// $$\ $$ | $$ | $$ | $$ | $$ | $$ |\$$$ |$$ | $$ |
// \$$$$$$ | $$ | $$ | $$ |$$$$$$\ $$ | \$$ |\$$$$$$ |
// \______/ \__| \__| \__|\______|\__| \__| \______/
//
// dqn_string.cpp
//
////////////////////////////////////////////////////////////////////////////////////////////////////
*/
// NOTE: [$CSTR] Dqn_CStr8 /////////////////////////////////////////////////////////////////////////
DQN_API Dqn_usize Dqn_CStr8_FSize(DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
Dqn_usize result = DQN_VSNPRINTF(nullptr, 0, fmt, args);
va_end(args);
return result;
}
DQN_API Dqn_usize Dqn_CStr8_FVSize(DQN_FMT_ATTRIB char const *fmt, va_list args)
{
va_list args_copy;
va_copy(args_copy, args);
Dqn_usize result = DQN_VSNPRINTF(nullptr, 0, fmt, args_copy);
va_end(args_copy);
return result;
}
DQN_API Dqn_usize Dqn_CStr8_Size(char const *src)
{
Dqn_usize result = 0;
while (src && src[0] != 0) {
src++;
result++;
}
return result;
}
DQN_API Dqn_usize Dqn_CStr16_Size(wchar_t const *src)
{
Dqn_usize result = 0;
while (src && src[0] != 0) {
src++;
result++;
}
return result;
}
// NOTE: [$STR6] Dqn_Str16 /////////////////////////////////////////////////////////////////////////
DQN_API bool operator==(Dqn_Str16 const &lhs, Dqn_Str16 const &rhs)
{
bool result = false;
if (lhs.size == rhs.size)
result = DQN_MEMCMP(lhs.data, rhs.data, lhs.size * sizeof(*lhs.data)) == 0;
return result;
}
DQN_API bool operator!=(Dqn_Str16 const &lhs, Dqn_Str16 const &rhs)
{
bool result = !(lhs == rhs);
return result;
}
// NOTE: [$STR8] Dqn_Str8 //////////////////////////////////////////////////////////////////////////
DQN_API Dqn_Str8 Dqn_Str8_InitCStr8(char const *src)
{
Dqn_usize size = Dqn_CStr8_Size(src);
Dqn_Str8 result = Dqn_Str8_Init(src, size);
return result;
}
DQN_API bool Dqn_Str8_IsAll(Dqn_Str8 string, Dqn_Str8IsAll is_all)
{
bool result = Dqn_Str8_HasData(string);
if (!result)
return result;
switch (is_all) {
case Dqn_Str8IsAll_Digits: {
for (Dqn_usize index = 0; result && index < string.size; index++)
result = string.data[index] >= '0' && string.data[index] <= '9';
} break;
case Dqn_Str8IsAll_Hex: {
Dqn_Str8 trimmed = Dqn_Str8_TrimPrefix(string, DQN_STR8("0x"), Dqn_Str8EqCase_Insensitive);
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for (Dqn_usize index = 0; result && index < trimmed.size; index++) {
char ch = trimmed.data[index];
result = (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F');
}
} break;
}
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_Slice(Dqn_Str8 string, Dqn_usize offset, Dqn_usize size)
{
Dqn_Str8 result = Dqn_Str8_Init(string.data, 0);
if (!Dqn_Str8_HasData(string))
return result;
Dqn_usize capped_offset = DQN_MIN(offset, string.size);
Dqn_usize max_size = string.size - capped_offset;
Dqn_usize capped_size = DQN_MIN(size, max_size);
result = Dqn_Str8_Init(string.data + capped_offset, capped_size);
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_Advance(Dqn_Str8 string, Dqn_usize amount)
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{
Dqn_Str8 result = Dqn_Str8_Slice(string, amount, DQN_USIZE_MAX);
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return result;
}
DQN_API Dqn_Str8 Dqn_Str8_NextLine(Dqn_Str8 string)
{
Dqn_Str8 result = Dqn_Str8_BinarySplit(string, DQN_STR8("\n")).rhs;
return result;
}
DQN_API Dqn_Str8BinarySplitResult Dqn_Str8_BinarySplitArray(Dqn_Str8 string, Dqn_Str8 const *find, Dqn_usize find_size)
{
Dqn_Str8BinarySplitResult result = {};
if (!Dqn_Str8_HasData(string) || !find || find_size == 0)
return result;
result.lhs = string;
for (size_t index = 0; !result.rhs.data && index < string.size; index++) {
for (Dqn_usize find_index = 0; find_index < find_size; find_index++) {
Dqn_Str8 find_item = find[find_index];
Dqn_Str8 string_slice = Dqn_Str8_Slice(string, index, find_item.size);
if (Dqn_Str8_Eq(string_slice, find_item)) {
result.lhs.size = index;
result.rhs.data = string_slice.data + find_item.size;
result.rhs.size = string.size - (index + find_item.size);
break;
}
}
}
return result;
}
DQN_API Dqn_Str8BinarySplitResult Dqn_Str8_BinarySplit(Dqn_Str8 string, Dqn_Str8 find)
{
Dqn_Str8BinarySplitResult result = Dqn_Str8_BinarySplitArray(string, &find, 1);
return result;
}
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DQN_API Dqn_Str8BinarySplitResult Dqn_Str8_BinarySplitLastArray(Dqn_Str8 string, Dqn_Str8 const *find, Dqn_usize find_size)
{
Dqn_Str8BinarySplitResult result = {};
if (!Dqn_Str8_HasData(string) || !find || find_size == 0)
return result;
result.lhs = string;
for (size_t index = string.size - 1; !result.rhs.data && index < string.size; index--) {
for (Dqn_usize find_index = 0; find_index < find_size; find_index++) {
Dqn_Str8 find_item = find[find_index];
Dqn_Str8 string_slice = Dqn_Str8_Slice(string, index, find_item.size);
if (Dqn_Str8_Eq(string_slice, find_item)) {
result.lhs.size = index;
result.rhs.data = string_slice.data + find_item.size;
result.rhs.size = string.size - (index + find_item.size);
break;
}
}
}
return result;
}
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DQN_API Dqn_Str8BinarySplitResult Dqn_Str8_BinarySplitLast(Dqn_Str8 string, Dqn_Str8 find)
{
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Dqn_Str8BinarySplitResult result = Dqn_Str8_BinarySplitLastArray(string, &find, 1);
return result;
}
DQN_API Dqn_usize Dqn_Str8_Split(Dqn_Str8 string, Dqn_Str8 delimiter, Dqn_Str8 *splits, Dqn_usize splits_count, Dqn_Str8SplitIncludeEmptyStrings mode)
{
Dqn_usize result = 0; // The number of splits in the actual string.
if (!Dqn_Str8_HasData(string) || !Dqn_Str8_HasData(delimiter) || delimiter.size <= 0)
return result;
Dqn_Str8BinarySplitResult split = {};
Dqn_Str8 first = string;
do {
split = Dqn_Str8_BinarySplit(first, delimiter);
if (split.lhs.size || mode == Dqn_Str8SplitIncludeEmptyStrings_Yes) {
if (splits && result < splits_count)
splits[result] = split.lhs;
result++;
}
first = split.rhs;
} while (first.size);
return result;
}
DQN_API Dqn_Slice<Dqn_Str8> Dqn_Str8_SplitAlloc(Dqn_Arena *arena, Dqn_Str8 string, Dqn_Str8 delimiter, Dqn_Str8SplitIncludeEmptyStrings mode)
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{
Dqn_Slice<Dqn_Str8> result = {};
Dqn_usize splits_required = Dqn_Str8_Split(string, delimiter, /*splits*/ nullptr, /*count*/ 0, mode);
result.data = Dqn_Arena_NewArray(arena, Dqn_Str8, splits_required, Dqn_ZeroMem_No);
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if (result.data) {
result.size = Dqn_Str8_Split(string, delimiter, result.data, splits_required, mode);
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DQN_ASSERT(splits_required == result.size);
}
return result;
}
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DQN_API Dqn_Str8FindResult Dqn_Str8_FindStr8Array(Dqn_Str8 string, Dqn_Str8 const *find, Dqn_usize find_size, Dqn_Str8EqCase eq_case)
{
Dqn_Str8FindResult result = {};
if (!Dqn_Str8_HasData(string) || !find || find_size == 0)
return result;
for (Dqn_usize index = 0; !result.found && index < string.size; index++) {
for (Dqn_usize find_index = 0; find_index < find_size; find_index++) {
Dqn_Str8 find_item = find[find_index];
Dqn_Str8 string_slice = Dqn_Str8_Slice(string, index, find_item.size);
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if (Dqn_Str8_Eq(string_slice, find_item, eq_case)) {
result.found = true;
result.index = index;
result.start_to_before_match = Dqn_Str8_Init(string.data, index);
result.match = Dqn_Str8_Init(string.data + index, find_item.size);
result.match_to_end_of_buffer = Dqn_Str8_Init(result.match.data, string.size - index);
break;
}
}
}
return result;
}
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DQN_API Dqn_Str8FindResult Dqn_Str8_FindStr8(Dqn_Str8 string, Dqn_Str8 find, Dqn_Str8EqCase eq_case)
{
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Dqn_Str8FindResult result = Dqn_Str8_FindStr8Array(string, &find, 1, eq_case);
return result;
}
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DQN_API Dqn_Str8FindResult Dqn_Str8_Find(Dqn_Str8 string, uint32_t flags)
{
Dqn_Str8FindResult result = {};
for (size_t index = 0; !result.found && index < string.size; index++) {
result.found |= ((flags & Dqn_Str8FindFlag_Digit) && Dqn_Char_IsDigit(string.data[index]));
result.found |= ((flags & Dqn_Str8FindFlag_Alphabet) && Dqn_Char_IsAlphabet(string.data[index]));
result.found |= ((flags & Dqn_Str8FindFlag_Whitespace) && Dqn_Char_IsWhitespace(string.data[index]));
result.found |= ((flags & Dqn_Str8FindFlag_Plus) && string.data[index] == '+');
result.found |= ((flags & Dqn_Str8FindFlag_Minus) && string.data[index] == '-');
if (result.found) {
result.index = index;
result.match = Dqn_Str8_Init(string.data + index, 1);
result.match_to_end_of_buffer = Dqn_Str8_Init(result.match.data, string.size - index);
}
}
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_Segment(Dqn_Arena *arena, Dqn_Str8 src, Dqn_usize segment_size, char segment_char)
{
if (!segment_size || !Dqn_Str8_HasData(src)) {
Dqn_Str8 result = Dqn_Str8_Copy(arena, src);
return result;
}
Dqn_usize segments = src.size / segment_size;
if (src.size % segment_size == 0)
segments--;
Dqn_usize segment_counter = 0;
Dqn_Str8 result = Dqn_Str8_Alloc(arena, src.size + segments, Dqn_ZeroMem_Yes);
Dqn_usize write_index = 0;
DQN_FOR_UINDEX(src_index, src.size) {
result.data[write_index++] = src.data[src_index];
if ((src_index + 1) % segment_size == 0 && segment_counter < segments) {
result.data[write_index++] = segment_char;
segment_counter++;
}
DQN_ASSERTF(write_index <= result.size, "result.size=%zu, write_index=%zu", result.size, write_index);
}
DQN_ASSERTF(write_index == result.size, "result.size=%zu, write_index=%zu", result.size, write_index);
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_ReverseSegment(Dqn_Arena *arena, Dqn_Str8 src, Dqn_usize segment_size, char segment_char)
{
if (!segment_size || !Dqn_Str8_HasData(src)) {
Dqn_Str8 result = Dqn_Str8_Copy(arena, src);
return result;
}
Dqn_usize segments = src.size / segment_size;
if (src.size % segment_size == 0)
segments--;
Dqn_usize write_counter = 0;
Dqn_usize segment_counter = 0;
Dqn_Str8 result = Dqn_Str8_Alloc(arena, src.size + segments, Dqn_ZeroMem_Yes);
Dqn_usize write_index = result.size - 1;
DQN_MSVC_WARNING_PUSH
DQN_MSVC_WARNING_DISABLE(6293) // NOTE: Ill-defined loop
for (size_t src_index = src.size - 1; src_index < src.size; src_index--) {
DQN_MSVC_WARNING_POP
result.data[write_index--] = src.data[src_index];
if (++write_counter % segment_size == 0 && segment_counter < segments) {
result.data[write_index--] = segment_char;
segment_counter++;
}
}
DQN_ASSERT(write_index == SIZE_MAX);
return result;
}
DQN_API bool Dqn_Str8_Eq(Dqn_Str8 lhs, Dqn_Str8 rhs, Dqn_Str8EqCase eq_case)
{
if (lhs.size != rhs.size)
return false;
if (lhs.size == 0)
return true;
if (!lhs.data || !rhs.data)
return false;
bool result = true;
switch (eq_case) {
case Dqn_Str8EqCase_Sensitive: {
result = (DQN_MEMCMP(lhs.data, rhs.data, lhs.size) == 0);
} break;
case Dqn_Str8EqCase_Insensitive: {
for (Dqn_usize index = 0; index < lhs.size && result; index++)
result = (Dqn_Char_ToLower(lhs.data[index]) == Dqn_Char_ToLower(rhs.data[index]));
} break;
}
return result;
}
DQN_API bool Dqn_Str8_EqInsensitive(Dqn_Str8 lhs, Dqn_Str8 rhs)
{
bool result = Dqn_Str8_Eq(lhs, rhs, Dqn_Str8EqCase_Insensitive);
return result;
}
DQN_API bool Dqn_Str8_StartsWith(Dqn_Str8 string, Dqn_Str8 prefix, Dqn_Str8EqCase eq_case)
{
Dqn_Str8 substring = {string.data, DQN_MIN(prefix.size, string.size)};
bool result = Dqn_Str8_Eq(substring, prefix, eq_case);
return result;
}
DQN_API bool Dqn_Str8_StartsWithInsensitive(Dqn_Str8 string, Dqn_Str8 prefix)
{
bool result = Dqn_Str8_StartsWith(string, prefix, Dqn_Str8EqCase_Insensitive);
return result;
}
DQN_API bool Dqn_Str8_EndsWith(Dqn_Str8 string, Dqn_Str8 suffix, Dqn_Str8EqCase eq_case)
{
Dqn_Str8 substring = {string.data + string.size - suffix.size, DQN_MIN(string.size, suffix.size)};
bool result = Dqn_Str8_Eq(substring, suffix, eq_case);
return result;
}
DQN_API bool Dqn_Str8_EndsWithInsensitive(Dqn_Str8 string, Dqn_Str8 suffix)
{
bool result = Dqn_Str8_EndsWith(string, suffix, Dqn_Str8EqCase_Insensitive);
return result;
}
DQN_API bool Dqn_Str8_HasChar(Dqn_Str8 string, char ch)
{
bool result = false;
for (Dqn_usize index = 0; !result && index < string.size; index++)
result = string.data[index] == ch;
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_TrimPrefix(Dqn_Str8 string, Dqn_Str8 prefix, Dqn_Str8EqCase eq_case)
{
Dqn_Str8 result = string;
if (Dqn_Str8_StartsWith(string, prefix, eq_case)) {
result.data += prefix.size;
result.size -= prefix.size;
}
return result;
}
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DQN_API Dqn_Str8 Dqn_Str8_TrimHexPrefix(Dqn_Str8 string)
{
Dqn_Str8 result = Dqn_Str8_TrimPrefix(string, DQN_STR8("0x"), Dqn_Str8EqCase_Insensitive);
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_TrimSuffix(Dqn_Str8 string, Dqn_Str8 suffix, Dqn_Str8EqCase eq_case)
{
Dqn_Str8 result = string;
if (Dqn_Str8_EndsWith(string, suffix, eq_case))
result.size -= suffix.size;
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_TrimAround(Dqn_Str8 string, Dqn_Str8 trim_string)
{
Dqn_Str8 result = Dqn_Str8_TrimPrefix(string, trim_string);
result = Dqn_Str8_TrimSuffix(result, trim_string);
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_TrimWhitespaceAround(Dqn_Str8 string)
{
Dqn_Str8 result = string;
if (!Dqn_Str8_HasData(string))
return result;
char const *start = string.data;
char const *end = string.data + string.size;
while (start < end && Dqn_Char_IsWhitespace(start[0]))
start++;
while (end > start && Dqn_Char_IsWhitespace(end[-1]))
end--;
result = Dqn_Str8_Init(start, end - start);
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_TrimByteOrderMark(Dqn_Str8 string)
{
Dqn_Str8 result = string;
if (!Dqn_Str8_HasData(result))
return result;
// TODO(dqn): This is little endian
Dqn_Str8 UTF8_BOM = DQN_STR8("\xEF\xBB\xBF");
Dqn_Str8 UTF16_BOM_BE = DQN_STR8("\xEF\xFF");
Dqn_Str8 UTF16_BOM_LE = DQN_STR8("\xFF\xEF");
Dqn_Str8 UTF32_BOM_BE = DQN_STR8("\x00\x00\xFE\xFF");
Dqn_Str8 UTF32_BOM_LE = DQN_STR8("\xFF\xFE\x00\x00");
result = Dqn_Str8_TrimPrefix(result, UTF8_BOM, Dqn_Str8EqCase_Sensitive);
result = Dqn_Str8_TrimPrefix(result, UTF16_BOM_BE, Dqn_Str8EqCase_Sensitive);
result = Dqn_Str8_TrimPrefix(result, UTF16_BOM_LE, Dqn_Str8EqCase_Sensitive);
result = Dqn_Str8_TrimPrefix(result, UTF32_BOM_BE, Dqn_Str8EqCase_Sensitive);
result = Dqn_Str8_TrimPrefix(result, UTF32_BOM_LE, Dqn_Str8EqCase_Sensitive);
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_FileNameFromPath(Dqn_Str8 path)
{
Dqn_Str8 separators[] = {DQN_STR8("/"), DQN_STR8("\\")};
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Dqn_Str8BinarySplitResult split = Dqn_Str8_BinarySplitLastArray(path, separators, DQN_ARRAY_UCOUNT(separators));
Dqn_Str8 result = Dqn_Str8_HasData(split.rhs) ? split.rhs : split.lhs;
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_FileNameNoExtension(Dqn_Str8 path)
{
Dqn_Str8 file_name = Dqn_Str8_FileNameFromPath(path);
Dqn_Str8 result = Dqn_Str8_FilePathNoExtension(file_name);
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_FilePathNoExtension(Dqn_Str8 path)
{
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Dqn_Str8BinarySplitResult split = Dqn_Str8_BinarySplitLast(path, DQN_STR8("."));
Dqn_Str8 result = split.lhs;
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_FileExtension(Dqn_Str8 path)
{
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Dqn_Str8BinarySplitResult split = Dqn_Str8_BinarySplitLast(path, DQN_STR8("."));
Dqn_Str8 result = split.rhs;
return result;
}
DQN_API Dqn_Str8ToU64Result Dqn_Str8_ToU64(Dqn_Str8 string, char separator)
{
// NOTE: Argument check
Dqn_Str8ToU64Result result = {};
if (!Dqn_Str8_HasData(string)) {
result.success = true;
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return result;
}
// NOTE: Sanitize input/output
Dqn_Str8 trim_string = Dqn_Str8_TrimWhitespaceAround(string);
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if (trim_string.size == 0) {
result.success = true;
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return result;
}
// NOTE: Handle prefix '+'
Dqn_usize start_index = 0;
if (!Dqn_Char_IsDigit(trim_string.data[0])) {
if (trim_string.data[0] != '+')
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return result;
start_index++;
}
// NOTE: Convert the string number to the binary number
for (Dqn_usize index = start_index; index < trim_string.size; index++) {
char ch = trim_string.data[index];
if (index) {
if (separator != 0 && ch == separator)
continue;
}
if (!Dqn_Char_IsDigit(ch))
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return result;
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result.value = Dqn_Safe_MulU64(result.value, 10);
uint64_t digit = ch - '0';
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result.value = Dqn_Safe_AddU64(result.value, digit);
}
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result.success = true;
return result;
}
DQN_API Dqn_Str8ToI64Result Dqn_Str8_ToI64(Dqn_Str8 string, char separator)
{
// NOTE: Argument check
Dqn_Str8ToI64Result result = {};
if (!Dqn_Str8_HasData(string)) {
result.success = true;
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return result;
}
// NOTE: Sanitize input/output
Dqn_Str8 trim_string = Dqn_Str8_TrimWhitespaceAround(string);
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if (trim_string.size == 0) {
result.success = true;
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return result;
}
bool negative = false;
Dqn_usize start_index = 0;
if (!Dqn_Char_IsDigit(trim_string.data[0])) {
negative = (trim_string.data[start_index] == '-');
if (!negative && trim_string.data[0] != '+')
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return result;
start_index++;
}
// NOTE: Convert the string number to the binary number
for (Dqn_usize index = start_index; index < trim_string.size; index++) {
char ch = trim_string.data[index];
if (index) {
if (separator != 0 && ch == separator)
continue;
}
if (!Dqn_Char_IsDigit(ch))
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return result;
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result.value = Dqn_Safe_MulU64(result.value, 10);
uint64_t digit = ch - '0';
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result.value = Dqn_Safe_AddU64(result.value, digit);
}
if (negative)
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result.value *= -1;
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result.success = true;
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_Replace(Dqn_Str8 string,
Dqn_Str8 find,
Dqn_Str8 replace,
Dqn_usize start_index,
Dqn_Arena *arena,
Dqn_Str8EqCase eq_case)
{
Dqn_Str8 result = {};
if (!Dqn_Str8_HasData(string) || !Dqn_Str8_HasData(find) || find.size > string.size || find.size == 0 || string.size == 0) {
result = Dqn_Str8_Copy(arena, string);
return result;
}
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Dqn_TLSTMem tmem = Dqn_TLS_TMem(arena);
Dqn_Str8Builder string_builder = Dqn_Str8Builder_Init(tmem.arena);
Dqn_usize max = string.size - find.size;
Dqn_usize head = start_index;
for (Dqn_usize tail = head; tail <= max; tail++) {
Dqn_Str8 check = Dqn_Str8_Slice(string, tail, find.size);
if (!Dqn_Str8_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_Str8 slice = Dqn_Str8_Init(string.data, head);
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Dqn_Str8Builder_AddRef(&string_builder, slice);
}
Dqn_Str8 range = Dqn_Str8_Slice(string, head, (tail - head));
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Dqn_Str8Builder_AddRef(&string_builder, range);
Dqn_Str8Builder_AddRef(&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_Str8_Copy(arena, string);
} else {
Dqn_Str8 remainder = Dqn_Str8_Init(string.data + head, string.size - head);
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Dqn_Str8Builder_AddRef(&string_builder, remainder);
result = Dqn_Str8Builder_Build(&string_builder, arena);
}
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_ReplaceInsensitive(Dqn_Str8 string, Dqn_Str8 find, Dqn_Str8 replace, Dqn_usize start_index, Dqn_Arena *arena)
{
Dqn_Str8 result = Dqn_Str8_Replace(string, find, replace, start_index, arena, Dqn_Str8EqCase_Insensitive);
return result;
}
DQN_API void Dqn_Str8_Remove(Dqn_Str8 *string, Dqn_usize offset, Dqn_usize size)
{
if (!string || !Dqn_Str8_HasData(*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_Str8 const &lhs, Dqn_Str8 const &rhs)
{
bool result = Dqn_Str8_Eq(lhs, rhs, Dqn_Str8EqCase_Sensitive);
return result;
}
DQN_API bool operator!=(Dqn_Str8 const &lhs, Dqn_Str8 const &rhs)
{
bool result = !(lhs == rhs);
return result;
}
#endif
DQN_API Dqn_Str8 Dqn_Str8_InitF(Dqn_Arena *arena, DQN_FMT_ATTRIB char const *fmt, ...)
{
va_list va;
va_start(va, fmt);
Dqn_Str8 result = Dqn_Str8_InitFV(arena, fmt, va);
va_end(va);
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_InitFV(Dqn_Arena *arena, DQN_FMT_ATTRIB char const *fmt, va_list args)
{
Dqn_Str8 result = {};
if (!fmt)
return result;
Dqn_usize size = Dqn_CStr8_FVSize(fmt, args);
if (size) {
result = Dqn_Str8_Alloc(arena, size, Dqn_ZeroMem_No);
if (Dqn_Str8_HasData(result))
DQN_VSNPRINTF(result.data, Dqn_Safe_SaturateCastISizeToInt(size + 1 /*null-terminator*/), fmt, args);
}
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_Alloc(Dqn_Arena *arena, Dqn_usize size, Dqn_ZeroMem zero_mem)
{
Dqn_Str8 result = {};
result.data = Dqn_Arena_NewArray(arena, char, size + 1, zero_mem);
if (result.data)
result.size = size;
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if (zero_mem == Dqn_ZeroMem_No)
result.data[result.size] = 0;
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_CopyCString(Dqn_Arena *arena, char const *string, Dqn_usize size)
{
Dqn_Str8 result = {};
if (!string)
return result;
result = Dqn_Str8_Alloc(arena, size, Dqn_ZeroMem_No);
if (Dqn_Str8_HasData(result)) {
DQN_MEMCPY(result.data, string, size);
result.data[size] = 0;
}
return result;
}
DQN_API Dqn_Str8 Dqn_Str8_Copy(Dqn_Arena *arena, Dqn_Str8 string)
{
Dqn_Str8 result = Dqn_Str8_CopyCString(arena, string.data, string.size);
return result;
}