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metadesk/code/base/strings.c
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ed e65974a9b2 progress on base
2025-02-01 19:08:54 -05:00

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#ifdef MD_INTELLISENSE_DIRECTIVES
#pragma once
#include "base/strings.h"
#endif
// Copyright (c) 2024 Epic Games Tools
// Licensed under the MIT license (https://opensource.org/license/mit/)
////////////////////////////////
//~ rjf: Third Party Includes
#if !BUILD_SUPPLEMENTARY_UNIT
# define STB_SPRINTF_IMPLEMENTATION
# define STB_SPRINTF_STATIC
# include "third_party/stb/stb_sprintf.h"
#endif
////////////////////////////////
//~ NOTE(allen): String <-> Integer Tables
read_only global U8 integer_symbols[16] = {
'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F',
};
// NOTE(allen): Includes reverses for uppercase and lowercase hex.
read_only global U8 integer_symbol_reverse[128] = {
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
};
read_only global U8 base64[64] = {
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'_', '$',
};
read_only global U8 base64_reverse[128] = {
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,
0xFF,0x24,0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F,0x30,0x31,0x32,
0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C,0x3D,0xFF,0xFF,0xFF,0xFF,0x3E,
0xFF,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,
0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,0x20,0x21,0x22,0x23,0xFF,0xFF,0xFF,0xFF,0xFF,
};
////////////////////////////////
//~ rjf: Character Classification & Conversion Functions
internal B32
char_is_space(U8 c){
return(c == ' ' || c == '\n' || c == '\t' || c == '\r' || c == '\f' || c == '\v');
}
internal B32
char_is_upper(U8 c){
return('A' <= c && c <= 'Z');
}
internal B32
char_is_lower(U8 c){
return('a' <= c && c <= 'z');
}
internal B32
char_is_alpha(U8 c){
return(char_is_upper(c) || char_is_lower(c));
}
internal B32
char_is_slash(U8 c){
return(c == '/' || c == '\\');
}
internal B32
char_is_digit(U8 c, U32 base){
B32 result = 0;
if (0 < base && base <= 16){
U8 val = integer_symbol_reverse[c];
if (val < base){
result = 1;
}
}
return(result);
}
internal U8
char_to_lower(U8 c){
if (char_is_upper(c)){
c += ('a' - 'A');
}
return(c);
}
internal U8
char_to_upper(U8 c){
if (char_is_lower(c)){
c += ('A' - 'a');
}
return(c);
}
internal U8
char_to_correct_slash(U8 c){
if(char_is_slash(c)){
c = '/';
}
return(c);
}
////////////////////////////////
//~ rjf: C-String Measurement
internal U64
cstring8_length(U8 *c){
U8 *p = c;
for (;*p != 0; p += 1);
return(p - c);
}
internal U64
cstring16_length(U16 *c){
U16 *p = c;
for (;*p != 0; p += 1);
return(p - c);
}
internal U64
cstring32_length(U32 *c){
U32 *p = c;
for (;*p != 0; p += 1);
return(p - c);
}
////////////////////////////////
//~ rjf: String Constructors
internal String8
str8(U8 *str, U64 size){
String8 result = {str, size};
return(result);
}
internal String8
str8_range(U8 *first, U8 *one_past_last){
String8 result = {first, (U64)(one_past_last - first)};
return(result);
}
internal String8
str8_zero(void){
String8 result = {0};
return(result);
}
internal String16
str16(U16 *str, U64 size){
String16 result = {str, size};
return(result);
}
internal String16
str16_range(U16 *first, U16 *one_past_last){
String16 result = {first, (U64)(one_past_last - first)};
return(result);
}
internal String16
str16_zero(void){
String16 result = {0};
return(result);
}
internal String32
str32(U32 *str, U64 size){
String32 result = {str, size};
return(result);
}
internal String32
str32_range(U32 *first, U32 *one_past_last){
String32 result = {first, (U64)(one_past_last - first)};
return(result);
}
internal String32
str32_zero(void){
String32 result = {0};
return(result);
}
internal String8
str8_cstring(char *c){
String8 result = {(U8*)c, cstring8_length((U8*)c)};
return(result);
}
internal String16
str16_cstring(U16 *c){
String16 result = {(U16*)c, cstring16_length((U16*)c)};
return(result);
}
internal String32
str32_cstring(U32 *c){
String32 result = {(U32*)c, cstring32_length((U32*)c)};
return(result);
}
internal String8
str8_cstring_capped(void *cstr, void *cap)
{
char *ptr = (char*)cstr;
char *opl = (char*)cap;
for (;ptr < opl && *ptr != 0; ptr += 1);
U64 size = (U64)(ptr - (char *)cstr);
String8 result = {(U8*)cstr, size};
return(result);
}
////////////////////////////////
//~ rjf: String Stylization
internal String8
upper_from_str8(Arena *arena, String8 string)
{
string = push_str8_copy(arena, string);
for(U64 idx = 0; idx < string.size; idx += 1)
{
string.str[idx] = char_to_upper(string.str[idx]);
}
return string;
}
internal String8
lower_from_str8(Arena *arena, String8 string)
{
string = push_str8_copy(arena, string);
for(U64 idx = 0; idx < string.size; idx += 1)
{
string.str[idx] = char_to_lower(string.str[idx]);
}
return string;
}
internal String8
backslashed_from_str8(Arena *arena, String8 string)
{
string = push_str8_copy(arena, string);
for(U64 idx = 0; idx < string.size; idx += 1)
{
string.str[idx] = char_is_slash(string.str[idx]) ? '\\' : string.str[idx];
}
return string;
}
////////////////////////////////
//~ rjf: String Matching
internal B32
str8_match(String8 a, String8 b, StringMatchFlags flags){
B32 result = 0;
if (a.size == b.size || (flags & StringMatchFlag_RightSideSloppy)){
B32 case_insensitive = (flags & StringMatchFlag_CaseInsensitive);
B32 slash_insensitive = (flags & StringMatchFlag_SlashInsensitive);
U64 size = Min(a.size, b.size);
result = 1;
for (U64 i = 0; i < size; i += 1){
U8 at = a.str[i];
U8 bt = b.str[i];
if (case_insensitive){
at = char_to_upper(at);
bt = char_to_upper(bt);
}
if (slash_insensitive){
at = char_to_correct_slash(at);
bt = char_to_correct_slash(bt);
}
if (at != bt){
result = 0;
break;
}
}
}
return(result);
}
internal U64
str8_find_needle(String8 string, U64 start_pos, String8 needle, StringMatchFlags flags){
U8 *p = string.str + start_pos;
U64 stop_offset = Max(string.size + 1, needle.size) - needle.size;
U8 *stop_p = string.str + stop_offset;
if (needle.size > 0){
U8 *string_opl = string.str + string.size;
String8 needle_tail = str8_skip(needle, 1);
StringMatchFlags adjusted_flags = flags | StringMatchFlag_RightSideSloppy;
U8 needle_first_char_adjusted = needle.str[0];
if(adjusted_flags & StringMatchFlag_CaseInsensitive){
needle_first_char_adjusted = char_to_upper(needle_first_char_adjusted);
}
for (;p < stop_p; p += 1){
U8 haystack_char_adjusted = *p;
if(adjusted_flags & StringMatchFlag_CaseInsensitive){
haystack_char_adjusted = char_to_upper(haystack_char_adjusted);
}
if (haystack_char_adjusted == needle_first_char_adjusted){
if (str8_match(str8_range(p + 1, string_opl), needle_tail, adjusted_flags)){
break;
}
}
}
}
U64 result = string.size;
if (p < stop_p){
result = (U64)(p - string.str);
}
return(result);
}
internal B32
str8_ends_with(String8 string, String8 end, StringMatchFlags flags){
String8 postfix = str8_postfix(string, end.size);
B32 is_match = str8_match(end, postfix, flags);
return is_match;
}
////////////////////////////////
//~ rjf: String Slicing
internal String8
str8_substr(String8 str, Rng1U64 range){
range.min = ClampTop(range.min, str.size);
range.max = ClampTop(range.max, str.size);
str.str += range.min;
str.size = dim_1u64(range);
return(str);
}
internal String8
str8_prefix(String8 str, U64 size){
str.size = ClampTop(size, str.size);
return(str);
}
internal String8
str8_skip(String8 str, U64 amt){
amt = ClampTop(amt, str.size);
str.str += amt;
str.size -= amt;
return(str);
}
internal String8
str8_postfix(String8 str, U64 size){
size = ClampTop(size, str.size);
str.str = (str.str + str.size) - size;
str.size = size;
return(str);
}
internal String8
str8_chop(String8 str, U64 amt){
amt = ClampTop(amt, str.size);
str.size -= amt;
return(str);
}
internal String8
str8_skip_chop_whitespace(String8 string){
U8 *first = string.str;
U8 *opl = first + string.size;
for (;first < opl; first += 1){
if (!char_is_space(*first)){
break;
}
}
for (;opl > first;){
opl -= 1;
if (!char_is_space(*opl)){
opl += 1;
break;
}
}
String8 result = str8_range(first, opl);
return(result);
}
////////////////////////////////
//~ rjf: String Formatting & Copying
internal String8
push_str8_cat(Arena *arena, String8 s1, String8 s2){
String8 str;
str.size = s1.size + s2.size;
str.str = push_array_no_zero(arena, U8, str.size + 1);
MemoryCopy(str.str, s1.str, s1.size);
MemoryCopy(str.str + s1.size, s2.str, s2.size);
str.str[str.size] = 0;
return(str);
}
internal String8
push_str8_copy(Arena *arena, String8 s){
String8 str;
str.size = s.size;
str.str = push_array_no_zero(arena, U8, str.size + 1);
MemoryCopy(str.str, s.str, s.size);
str.str[str.size] = 0;
return(str);
}
internal String8
push_str8fv(Arena *arena, char *fmt, va_list args){
va_list args2;
va_copy(args2, args);
U32 needed_bytes = raddbg_vsnprintf(0, 0, fmt, args) + 1;
String8 result = {0};
result.str = push_array_no_zero(arena, U8, needed_bytes);
result.size = raddbg_vsnprintf((char*)result.str, needed_bytes, fmt, args2);
result.str[result.size] = 0;
va_end(args2);
return(result);
}
internal String8
push_str8f(Arena *arena, char *fmt, ...){
va_list args;
va_start(args, fmt);
String8 result = push_str8fv(arena, fmt, args);
va_end(args);
return(result);
}
////////////////////////////////
//~ rjf: String <=> Integer Conversions
//- rjf: string -> integer
internal S64
sign_from_str8(String8 string, String8 *string_tail){
// count negative signs
U64 neg_count = 0;
U64 i = 0;
for (; i < string.size; i += 1){
if (string.str[i] == '-'){
neg_count += 1;
}
else if (string.str[i] != '+'){
break;
}
}
// output part of string after signs
*string_tail = str8_skip(string, i);
// output integer sign
S64 sign = (neg_count & 1)?-1:+1;
return(sign);
}
internal B32
str8_is_integer(String8 string, U32 radix){
B32 result = 0;
if (string.size > 0){
if (1 < radix && radix <= 16){
result = 1;
for (U64 i = 0; i < string.size; i += 1){
U8 c = string.str[i];
if (!(c < 0x80) || integer_symbol_reverse[c] >= radix){
result = 0;
break;
}
}
}
}
return(result);
}
internal U64
u64_from_str8(String8 string, U32 radix){
U64 x = 0;
if (1 < radix && radix <= 16){
for (U64 i = 0; i < string.size; i += 1){
x *= radix;
x += integer_symbol_reverse[string.str[i]&0x7F];
}
}
return(x);
}
internal S64
s64_from_str8(String8 string, U32 radix){
S64 sign = sign_from_str8(string, &string);
S64 x = (S64)u64_from_str8(string, radix) * sign;
return(x);
}
internal B32
try_u64_from_str8_c_rules(String8 string, U64 *x){
B32 is_integer = 0;
if (str8_is_integer(string, 10)){
is_integer = 1;
*x = u64_from_str8(string, 10);
}
else{
String8 hex_string = str8_skip(string, 2);
if (str8_match(str8_prefix(string, 2), str8_lit("0x"), 0) &&
str8_is_integer(hex_string, 0x10)){
is_integer = 1;
*x = u64_from_str8(hex_string, 0x10);
}
else if (str8_match(str8_prefix(string, 2), str8_lit("0b"), 0) &&
str8_is_integer(hex_string, 2)){
is_integer = 1;
*x = u64_from_str8(hex_string, 2);
}
else{
String8 oct_string = str8_skip(string, 1);
if (str8_match(str8_prefix(string, 1), str8_lit("0"), 0) &&
str8_is_integer(hex_string, 010)){
is_integer = 1;
*x = u64_from_str8(oct_string, 010);
}
}
}
return(is_integer);
}
internal B32
try_s64_from_str8_c_rules(String8 string, S64 *x){
String8 string_tail = {0};
S64 sign = sign_from_str8(string, &string_tail);
U64 x_u64 = 0;
B32 is_integer = try_u64_from_str8_c_rules(string_tail, &x_u64);
*x = x_u64*sign;
return(is_integer);
}
//- rjf: integer -> string
internal String8
str8_from_memory_size(Arena *arena, U64 z){
String8 result = {0};
if (z < KB(1)){
result = push_str8f(arena, "%llu b", z);
}
else if (z < MB(1)){
result = push_str8f(arena, "%llu.%02llu Kb", z/KB(1), ((100*z)/KB(1))%100);
}
else if (z < GB(1)){
result = push_str8f(arena, "%llu.%02llu Mb", z/MB(1), ((100*z)/MB(1))%100);
}
else{
result = push_str8f(arena, "%llu.%02llu Gb", z/GB(1), ((100*z)/GB(1))%100);
}
return(result);
}
internal String8
str8_from_u64(Arena *arena, U64 u64, U32 radix, U8 min_digits, U8 digit_group_separator)
{
String8 result = {0};
{
// rjf: prefix
String8 prefix = {0};
switch(radix)
{
case 16:{prefix = str8_lit("0x");}break;
case 8: {prefix = str8_lit("0o");}break;
case 2: {prefix = str8_lit("0b");}break;
}
// rjf: determine # of chars between separators
U8 digit_group_size = 3;
switch(radix)
{
default:break;
case 2:
case 8:
case 16:
{digit_group_size = 4;}break;
}
// rjf: prep
U64 needed_leading_0s = 0;
{
U64 needed_digits = 1;
{
U64 u64_reduce = u64;
for(;;)
{
u64_reduce /= radix;
if(u64_reduce == 0)
{
break;
}
needed_digits += 1;
}
}
needed_leading_0s = (min_digits > needed_digits) ? min_digits - needed_digits : 0;
U64 needed_separators = 0;
if(digit_group_separator != 0)
{
needed_separators = (needed_digits+needed_leading_0s)/digit_group_size;
if(needed_separators > 0 && (needed_digits+needed_leading_0s)%digit_group_size == 0)
{
needed_separators -= 1;
}
}
result.size = prefix.size + needed_leading_0s + needed_separators + needed_digits;
result.str = push_array_no_zero(arena, U8, result.size + 1);
result.str[result.size] = 0;
}
// rjf: fill contents
{
U64 u64_reduce = u64;
U64 digits_until_separator = digit_group_size;
for(U64 idx = 0; idx < result.size; idx += 1)
{
if(digits_until_separator == 0 && digit_group_separator != 0)
{
result.str[result.size - idx - 1] = digit_group_separator;
digits_until_separator = digit_group_size+1;
}
else
{
result.str[result.size - idx - 1] = char_to_lower(integer_symbols[u64_reduce%radix]);
u64_reduce /= radix;
}
digits_until_separator -= 1;
if(u64_reduce == 0)
{
break;
}
}
for(U64 leading_0_idx = 0; leading_0_idx < needed_leading_0s; leading_0_idx += 1)
{
result.str[prefix.size + leading_0_idx] = '0';
}
}
// rjf: fill prefix
if(prefix.size != 0)
{
MemoryCopy(result.str, prefix.str, prefix.size);
}
}
return result;
}
internal String8
str8_from_s64(Arena *arena, S64 s64, U32 radix, U8 min_digits, U8 digit_group_separator)
{
String8 result = {0};
// TODO(rjf): preeeeetty sloppy...
if(s64 < 0)
{
Temp scratch = scratch_begin(&arena, 1);
String8 numeric_part = str8_from_u64(scratch.arena, (U64)(-s64), radix, min_digits, digit_group_separator);
result = push_str8f(arena, "-%S", numeric_part);
scratch_end(scratch);
}
else
{
result = str8_from_u64(arena, (U64)s64, radix, min_digits, digit_group_separator);
}
return result;
}
////////////////////////////////
//~ rjf: String <=> Float Conversions
internal F64
f64_from_str8(String8 string)
{
// TODO(rjf): crappy implementation for now that just uses atof.
F64 result = 0;
if(string.size > 0)
{
// rjf: find starting pos of numeric string, as well as sign
F64 sign = +1.0;
//U64 first_numeric = 0;
if(string.str[0] == '-')
{
//first_numeric = 1;
sign = -1.0;
}
else if(string.str[0] == '+')
{
//first_numeric = 1;
sign = 1.0;
}
// rjf: gather numerics
U64 num_valid_chars = 0;
char buffer[64];
for(U64 idx = 0; idx < string.size && num_valid_chars < sizeof(buffer)-1; idx += 1)
{
if(char_is_digit(string.str[idx], 10) || string.str[idx] == '.')
{
buffer[num_valid_chars] = string.str[idx];
num_valid_chars += 1;
}
}
// rjf: null-terminate (the reason for all of this!!!!!!)
buffer[num_valid_chars] = 0;
// rjf: do final conversion
result = sign * atof(buffer);
}
return result;
}
////////////////////////////////
//~ rjf: String List Construction Functions
internal String8Node*
str8_list_push_node(String8List *list, String8Node *node){
SLLQueuePush(list->first, list->last, node);
list->node_count += 1;
list->total_size += node->string.size;
return(node);
}
internal String8Node*
str8_list_push_node_set_string(String8List *list, String8Node *node, String8 string){
SLLQueuePush(list->first, list->last, node);
list->node_count += 1;
list->total_size += string.size;
node->string = string;
return(node);
}
internal String8Node*
str8_list_push_node_front(String8List *list, String8Node *node){
SLLQueuePushFront(list->first, list->last, node);
list->node_count += 1;
list->total_size += node->string.size;
return(node);
}
internal String8Node*
str8_list_push_node_front_set_string(String8List *list, String8Node *node, String8 string){
SLLQueuePushFront(list->first, list->last, node);
list->node_count += 1;
list->total_size += string.size;
node->string = string;
return(node);
}
internal String8Node*
str8_list_push(Arena *arena, String8List *list, String8 string){
String8Node *node = push_array_no_zero(arena, String8Node, 1);
str8_list_push_node_set_string(list, node, string);
return(node);
}
internal String8Node*
str8_list_push_front(Arena *arena, String8List *list, String8 string){
String8Node *node = push_array_no_zero(arena, String8Node, 1);
str8_list_push_node_front_set_string(list, node, string);
return(node);
}
internal void
str8_list_concat_in_place(String8List *list, String8List *to_push){
if(to_push->node_count != 0){
if (list->last){
list->node_count += to_push->node_count;
list->total_size += to_push->total_size;
list->last->next = to_push->first;
list->last = to_push->last;
}
else{
*list = *to_push;
}
MemoryZeroStruct(to_push);
}
}
internal String8Node*
str8_list_push_aligner(Arena *arena, String8List *list, U64 min, U64 align){
String8Node *node = push_array_no_zero(arena, String8Node, 1);
U64 new_size = list->total_size + min;
U64 increase_size = 0;
if (align > 1){
// NOTE(allen): assert is power of 2
Assert(((align - 1) & align) == 0);
U64 mask = align - 1;
new_size += mask;
new_size &= (~mask);
increase_size = new_size - list->total_size;
}
local_persist const U8 zeroes_buffer[64] = {0};
Assert(increase_size <= ArrayCount(zeroes_buffer));
SLLQueuePush(list->first, list->last, node);
list->node_count += 1;
list->total_size = new_size;
node->string.str = (U8*)zeroes_buffer;
node->string.size = increase_size;
return(node);
}
internal String8Node*
str8_list_pushf(Arena *arena, String8List *list, char *fmt, ...){
va_list args;
va_start(args, fmt);
String8 string = push_str8fv(arena, fmt, args);
String8Node *result = str8_list_push(arena, list, string);
va_end(args);
return(result);
}
internal String8Node*
str8_list_push_frontf(Arena *arena, String8List *list, char *fmt, ...){
va_list args;
va_start(args, fmt);
String8 string = push_str8fv(arena, fmt, args);
String8Node *result = str8_list_push_front(arena, list, string);
va_end(args);
return(result);
}
internal String8List
str8_list_copy(Arena *arena, String8List *list){
String8List result = {0};
for (String8Node *node = list->first;
node != 0;
node = node->next){
String8Node *new_node = push_array_no_zero(arena, String8Node, 1);
String8 new_string = push_str8_copy(arena, node->string);
str8_list_push_node_set_string(&result, new_node, new_string);
}
return(result);
}
internal String8List
str8_split(Arena *arena, String8 string, U8 *split_chars, U64 split_char_count, StringSplitFlags flags){
String8List list = {0};
B32 keep_empties = (flags & StringSplitFlag_KeepEmpties);
U8 *ptr = string.str;
U8 *opl = string.str + string.size;
for (;ptr < opl;){
U8 *first = ptr;
for (;ptr < opl; ptr += 1){
U8 c = *ptr;
B32 is_split = 0;
for (U64 i = 0; i < split_char_count; i += 1){
if (split_chars[i] == c){
is_split = 1;
break;
}
}
if (is_split){
break;
}
}
String8 string = str8_range(first, ptr);
if (keep_empties || string.size > 0){
str8_list_push(arena, &list, string);
}
ptr += 1;
}
return(list);
}
internal String8List
str8_split_by_string_chars(Arena *arena, String8 string, String8 split_chars, StringSplitFlags flags){
String8List list = str8_split(arena, string, split_chars.str, split_chars.size, flags);
return list;
}
internal String8List
str8_list_split_by_string_chars(Arena *arena, String8List list, String8 split_chars, StringSplitFlags flags){
String8List result = {0};
for (String8Node *node = list.first; node != 0; node = node->next){
String8List split = str8_split_by_string_chars(arena, node->string, split_chars, flags);
str8_list_concat_in_place(&result, &split);
}
return result;
}
internal String8
str8_list_join(Arena *arena, String8List *list, StringJoin *optional_params){
StringJoin join = {0};
if (optional_params != 0){
MemoryCopyStruct(&join, optional_params);
}
U64 sep_count = 0;
if (list->node_count > 0){
sep_count = list->node_count - 1;
}
String8 result;
result.size = join.pre.size + join.post.size + sep_count*join.sep.size + list->total_size;
U8 *ptr = result.str = push_array_no_zero(arena, U8, result.size + 1);
MemoryCopy(ptr, join.pre.str, join.pre.size);
ptr += join.pre.size;
for (String8Node *node = list->first;
node != 0;
node = node->next){
MemoryCopy(ptr, node->string.str, node->string.size);
ptr += node->string.size;
if (node->next != 0){
MemoryCopy(ptr, join.sep.str, join.sep.size);
ptr += join.sep.size;
}
}
MemoryCopy(ptr, join.post.str, join.post.size);
ptr += join.post.size;
*ptr = 0;
return(result);
}
internal void
str8_list_from_flags(Arena *arena, String8List *list,
U32 flags, String8 *flag_string_table, U32 flag_string_count){
for (U32 i = 0; i < flag_string_count; i += 1){
U32 flag = (1 << i);
if (flags & flag){
str8_list_push(arena, list, flag_string_table[i]);
}
}
}
////////////////////////////////
//~ rjf; String Arrays
internal String8Array
str8_array_from_list(Arena *arena, String8List *list)
{
String8Array array;
array.count = list->node_count;
array.v = push_array_no_zero(arena, String8, array.count);
U64 idx = 0;
for(String8Node *n = list->first; n != 0; n = n->next, idx += 1)
{
array.v[idx] = n->string;
}
return array;
}
internal String8Array
str8_array_reserve(Arena *arena, U64 count)
{
String8Array arr;
arr.count = 0;
arr.v = push_array(arena, String8, count);
return arr;
}
////////////////////////////////
//~ rjf: String Path Helpers
internal String8
str8_chop_last_slash(String8 string){
if (string.size > 0){
U8 *ptr = string.str + string.size - 1;
for (;ptr >= string.str; ptr -= 1){
if (*ptr == '/' || *ptr == '\\'){
break;
}
}
if (ptr >= string.str){
string.size = (U64)(ptr - string.str);
}
else{
string.size = 0;
}
}
return(string);
}
internal String8
str8_skip_last_slash(String8 string){
if (string.size > 0){
U8 *ptr = string.str + string.size - 1;
for (;ptr >= string.str; ptr -= 1){
if (*ptr == '/' || *ptr == '\\'){
break;
}
}
if (ptr >= string.str){
ptr += 1;
string.size = (U64)(string.str + string.size - ptr);
string.str = ptr;
}
}
return(string);
}
internal String8
str8_chop_last_dot(String8 string)
{
String8 result = string;
U64 p = string.size;
for (;p > 0;){
p -= 1;
if (string.str[p] == '.'){
result = str8_prefix(string, p);
break;
}
}
return(result);
}
internal String8
str8_skip_last_dot(String8 string){
String8 result = string;
U64 p = string.size;
for (;p > 0;){
p -= 1;
if (string.str[p] == '.'){
result = str8_skip(string, p + 1);
break;
}
}
return(result);
}
internal PathStyle
path_style_from_str8(String8 string){
PathStyle result = PathStyle_Relative;
if (string.size >= 1 && string.str[0] == '/'){
result = PathStyle_UnixAbsolute;
}
else if (string.size >= 2 &&
char_is_alpha(string.str[0]) &&
string.str[1] == ':'){
if (string.size == 2 ||
char_is_slash(string.str[2])){
result = PathStyle_WindowsAbsolute;
}
}
return(result);
}
internal String8List
str8_split_path(Arena *arena, String8 string){
String8List result = str8_split(arena, string, (U8*)"/\\", 2, 0);
return(result);
}
internal void
str8_path_list_resolve_dots_in_place(String8List *path, PathStyle style){
Temp scratch = scratch_begin(0, 0);
String8MetaNode *stack = 0;
String8MetaNode *free_meta_node = 0;
String8Node *first = path->first;
MemoryZeroStruct(path);
for (String8Node *node = first, *next = 0;
node != 0;
node = next){
// save next now
next = node->next;
// cases:
if (node == first && style == PathStyle_WindowsAbsolute){
goto save_without_stack;
}
if (node->string.size == 1 && node->string.str[0] == '.'){
goto do_nothing;
}
if (node->string.size == 2 && node->string.str[0] == '.' && node->string.str[1] == '.'){
if (stack != 0){
goto eliminate_stack_top;
}
else{
goto save_without_stack;
}
}
goto save_with_stack;
// handlers:
save_with_stack:
{
str8_list_push_node(path, node);
String8MetaNode *stack_node = free_meta_node;
if (stack_node != 0){
SLLStackPop(free_meta_node);
}
else{
stack_node = push_array_no_zero(scratch.arena, String8MetaNode, 1);
}
SLLStackPush(stack, stack_node);
stack_node->node = node;
continue;
}
save_without_stack:
{
str8_list_push_node(path, node);
continue;
}
eliminate_stack_top:
{
path->node_count -= 1;
path->total_size -= stack->node->string.size;
SLLStackPop(stack);
if (stack == 0){
path->last = path->first;
}
else{
path->last = stack->node;
}
continue;
}
do_nothing: continue;
}
scratch_end(scratch);
}
internal String8
str8_path_list_join_by_style(Arena *arena, String8List *path, PathStyle style){
StringJoin params = {0};
switch (style){
case PathStyle_Relative:
case PathStyle_WindowsAbsolute:
{
params.sep = str8_lit("/");
}break;
case PathStyle_UnixAbsolute:
{
params.pre = str8_lit("/");
params.sep = str8_lit("/");
}break;
}
String8 result = str8_list_join(arena, path, &params);
return(result);
}
internal String8TxtPtPair
str8_txt_pt_pair_from_string(String8 string)
{
String8TxtPtPair pair = {0};
{
String8 file_part = {0};
String8 line_part = {0};
String8 col_part = {0};
// rjf: grab file part
for(U64 idx = 0; idx <= string.size; idx += 1)
{
U8 byte = (idx < string.size) ? (string.str[idx]) : 0;
U8 next_byte = ((idx+1 < string.size) ? (string.str[idx+1]) : 0);
if(byte == ':' && next_byte != '/' && next_byte != '\\')
{
file_part = str8_prefix(string, idx);
line_part = str8_skip(string, idx+1);
break;
}
else if(byte == 0)
{
file_part = string;
break;
}
}
// rjf: grab line/column
{
U64 colon_pos = str8_find_needle(line_part, 0, str8_lit(":"), 0);
if(colon_pos < line_part.size)
{
col_part = str8_skip(line_part, colon_pos+1);
line_part = str8_prefix(line_part, colon_pos);
}
}
// rjf: convert line/column strings to numerics
U64 line = 0;
U64 column = 0;
try_u64_from_str8_c_rules(line_part, &line);
try_u64_from_str8_c_rules(col_part, &column);
// rjf: fill
pair.string = file_part;
pair.pt = txt_pt((S64)line, (S64)column);
if(pair.pt.line == 0) { pair.pt.line = 1; }
if(pair.pt.column == 0) { pair.pt.column = 1; }
}
return pair;
}
////////////////////////////////
//~ rjf: UTF-8 & UTF-16 Decoding/Encoding
read_only global U8 utf8_class[32] = {
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,2,2,2,2,3,3,4,5,
};
internal UnicodeDecode
utf8_decode(U8 *str, U64 max){
UnicodeDecode result = {1, max_U32};
U8 byte = str[0];
U8 byte_class = utf8_class[byte >> 3];
switch (byte_class)
{
case 1:
{
result.codepoint = byte;
}break;
case 2:
{
if (2 < max)
{
U8 cont_byte = str[1];
if (utf8_class[cont_byte >> 3] == 0)
{
result.codepoint = (byte & bitmask5) << 6;
result.codepoint |= (cont_byte & bitmask6);
result.inc = 2;
}
}
}break;
case 3:
{
if (2 < max)
{
U8 cont_byte[2] = {str[1], str[2]};
if (utf8_class[cont_byte[0] >> 3] == 0 &&
utf8_class[cont_byte[1] >> 3] == 0)
{
result.codepoint = (byte & bitmask4) << 12;
result.codepoint |= ((cont_byte[0] & bitmask6) << 6);
result.codepoint |= (cont_byte[1] & bitmask6);
result.inc = 3;
}
}
}break;
case 4:
{
if (3 < max)
{
U8 cont_byte[3] = {str[1], str[2], str[3]};
if (utf8_class[cont_byte[0] >> 3] == 0 &&
utf8_class[cont_byte[1] >> 3] == 0 &&
utf8_class[cont_byte[2] >> 3] == 0)
{
result.codepoint = (byte & bitmask3) << 18;
result.codepoint |= ((cont_byte[0] & bitmask6) << 12);
result.codepoint |= ((cont_byte[1] & bitmask6) << 6);
result.codepoint |= (cont_byte[2] & bitmask6);
result.inc = 4;
}
}
}
}
return(result);
}
internal UnicodeDecode
utf16_decode(U16 *str, U64 max){
UnicodeDecode result = {1, max_U32};
result.codepoint = str[0];
result.inc = 1;
if (max > 1 && 0xD800 <= str[0] && str[0] < 0xDC00 && 0xDC00 <= str[1] && str[1] < 0xE000){
result.codepoint = ((str[0] - 0xD800) << 10) | ((str[1] - 0xDC00) + 0x10000);
result.inc = 2;
}
return(result);
}
internal U32
utf8_encode(U8 *str, U32 codepoint){
U32 inc = 0;
if (codepoint <= 0x7F){
str[0] = (U8)codepoint;
inc = 1;
}
else if (codepoint <= 0x7FF){
str[0] = (bitmask2 << 6) | ((codepoint >> 6) & bitmask5);
str[1] = bit8 | (codepoint & bitmask6);
inc = 2;
}
else if (codepoint <= 0xFFFF){
str[0] = (bitmask3 << 5) | ((codepoint >> 12) & bitmask4);
str[1] = bit8 | ((codepoint >> 6) & bitmask6);
str[2] = bit8 | ( codepoint & bitmask6);
inc = 3;
}
else if (codepoint <= 0x10FFFF){
str[0] = (bitmask4 << 4) | ((codepoint >> 18) & bitmask3);
str[1] = bit8 | ((codepoint >> 12) & bitmask6);
str[2] = bit8 | ((codepoint >> 6) & bitmask6);
str[3] = bit8 | ( codepoint & bitmask6);
inc = 4;
}
else{
str[0] = '?';
inc = 1;
}
return(inc);
}
internal U32
utf16_encode(U16 *str, U32 codepoint){
U32 inc = 1;
if (codepoint == max_U32){
str[0] = (U16)'?';
}
else if (codepoint < 0x10000){
str[0] = (U16)codepoint;
}
else{
U32 v = codepoint - 0x10000;
str[0] = safe_cast_u16(0xD800 + (v >> 10));
str[1] = safe_cast_u16(0xDC00 + (v & bitmask10));
inc = 2;
}
return(inc);
}
internal U32
utf8_from_utf32_single(U8 *buffer, U32 character){
return(utf8_encode(buffer, character));
}
////////////////////////////////
//~ rjf: Unicode String Conversions
internal String8
str8_from_16(Arena *arena, String16 in){
U64 cap = in.size*3;
U8 *str = push_array_no_zero(arena, U8, cap + 1);
U16 *ptr = in.str;
U16 *opl = ptr + in.size;
U64 size = 0;
UnicodeDecode consume;
for (;ptr < opl; ptr += consume.inc){
consume = utf16_decode(ptr, opl - ptr);
size += utf8_encode(str + size, consume.codepoint);
}
str[size] = 0;
arena_pop(arena, (cap - size));
return(str8(str, size));
}
internal String16
str16_from_8(Arena *arena, String8 in){
U64 cap = in.size*2;
U16 *str = push_array_no_zero(arena, U16, cap + 1);
U8 *ptr = in.str;
U8 *opl = ptr + in.size;
U64 size = 0;
UnicodeDecode consume;
for (;ptr < opl; ptr += consume.inc){
consume = utf8_decode(ptr, opl - ptr);
size += utf16_encode(str + size, consume.codepoint);
}
str[size] = 0;
arena_pop(arena, (cap - size)*2);
return(str16(str, size));
}
internal String8
str8_from_32(Arena *arena, String32 in){
U64 cap = in.size*4;
U8 *str = push_array_no_zero(arena, U8, cap + 1);
U32 *ptr = in.str;
U32 *opl = ptr + in.size;
U64 size = 0;
for (;ptr < opl; ptr += 1){
size += utf8_encode(str + size, *ptr);
}
str[size] = 0;
arena_pop(arena, (cap - size));
return(str8(str, size));
}
internal String32
str32_from_8(Arena *arena, String8 in){
U64 cap = in.size;
U32 *str = push_array_no_zero(arena, U32, cap + 1);
U8 *ptr = in.str;
U8 *opl = ptr + in.size;
U64 size = 0;
UnicodeDecode consume;
for (;ptr < opl; ptr += consume.inc){
consume = utf8_decode(ptr, opl - ptr);
str[size] = consume.codepoint;
size += 1;
}
str[size] = 0;
arena_pop(arena, (cap - size)*4);
return(str32(str, size));
}
////////////////////////////////
//~ rjf: Basic Types & Space Enum -> String Conversions
internal String8
string_from_dimension(Dimension dimension){
local_persist String8 strings[] = {
str8_lit_comp("X"),
str8_lit_comp("Y"),
str8_lit_comp("Z"),
str8_lit_comp("W"),
};
String8 result = str8_lit("error");
if ((U32)dimension < 4){
result = strings[dimension];
}
return(result);
}
internal String8
string_from_side(Side side){
local_persist String8 strings[] = {
str8_lit_comp("Min"),
str8_lit_comp("Max"),
};
String8 result = str8_lit("error");
if ((U32)side < 2){
result = strings[side];
}
return(result);
}
internal String8
string_from_operating_system(OperatingSystem os){
local_persist String8 strings[] = {
str8_lit_comp("Null"),
str8_lit_comp("Windows"),
str8_lit_comp("Linux"),
str8_lit_comp("Mac"),
};
String8 result = str8_lit("error");
if (os < OperatingSystem_COUNT){
result = strings[os];
}
return(result);
}
internal String8
string_from_architecture(Architecture arch){
local_persist String8 strings[] = {
str8_lit_comp("Null"),
str8_lit_comp("x64"),
str8_lit_comp("x86"),
str8_lit_comp("arm64"),
str8_lit_comp("arm32"),
};
String8 result = str8_lit("error");
if (arch < Architecture_COUNT){
result = strings[arch];
}
return(result);
}
////////////////////////////////
//~ rjf: Time Types -> String
internal String8
string_from_week_day(WeekDay week_day){
local_persist String8 strings[] = {
str8_lit_comp("Sun"),
str8_lit_comp("Mon"),
str8_lit_comp("Tue"),
str8_lit_comp("Wed"),
str8_lit_comp("Thu"),
str8_lit_comp("Fri"),
str8_lit_comp("Sat"),
};
String8 result = str8_lit("Err");
if ((U32)week_day < WeekDay_COUNT){
result = strings[week_day];
}
return(result);
}
internal String8
string_from_month(Month month){
local_persist String8 strings[] = {
str8_lit_comp("Jan"),
str8_lit_comp("Feb"),
str8_lit_comp("Mar"),
str8_lit_comp("Apr"),
str8_lit_comp("May"),
str8_lit_comp("Jun"),
str8_lit_comp("Jul"),
str8_lit_comp("Aug"),
str8_lit_comp("Sep"),
str8_lit_comp("Oct"),
str8_lit_comp("Nov"),
str8_lit_comp("Dec"),
};
String8 result = str8_lit("Err");
if ((U32)month < Month_COUNT){
result = strings[month];
}
return(result);
}
internal String8
push_date_time_string(Arena *arena, DateTime *date_time){
char *mon_str = (char*)string_from_month(date_time->month).str;
U32 adjusted_hour = date_time->hour%12;
if (adjusted_hour == 0){
adjusted_hour = 12;
}
char *ampm = "am";
if (date_time->hour >= 12){
ampm = "pm";
}
String8 result = push_str8f(arena, "%d %s %d, %02d:%02d:%02d %s",
date_time->day, mon_str, date_time->year,
adjusted_hour, date_time->min, date_time->sec, ampm);
return(result);
}
internal String8
push_file_name_date_time_string(Arena *arena, DateTime *date_time){
char *mon_str = (char*)string_from_month(date_time->month).str;
String8 result = push_str8f(arena, "%d-%s-%0d--%02d-%02d-%02d",
date_time->year, mon_str, date_time->day,
date_time->hour, date_time->min, date_time->sec);
return(result);
}
internal String8
string_from_elapsed_time(Arena *arena, DateTime dt){
Temp scratch = scratch_begin(&arena, 1);
String8List list = {0};
if (dt.year){
str8_list_pushf(scratch.arena, &list, "%dy", dt.year);
str8_list_pushf(scratch.arena, &list, "%um", dt.mon);
str8_list_pushf(scratch.arena, &list, "%ud", dt.day);
} else if (dt.mon){
str8_list_pushf(scratch.arena, &list, "%um", dt.mon);
str8_list_pushf(scratch.arena, &list, "%ud", dt.day);
} else if (dt.day){
str8_list_pushf(scratch.arena, &list, "%ud", dt.day);
}
str8_list_pushf(scratch.arena, &list, "%u:%u:%u:%u ms", dt.hour, dt.min, dt.sec, dt.msec);
StringJoin join = { str8_lit_comp(""), str8_lit_comp(" "), str8_lit_comp("") };
String8 result = str8_list_join(arena, &list, &join);
scratch_end(scratch);
return(result);
}
////////////////////////////////
//~ rjf: Basic Text Indentation
internal String8
indented_from_string(Arena *arena, String8 string)
{
Temp scratch = scratch_begin(&arena, 1);
read_only local_persist U8 indentation_bytes[] = " ";
String8List indented_strings = {0};
S64 depth = 0;
S64 next_depth = 0;
U64 line_begin_off = 0;
for(U64 off = 0; off <= string.size; off += 1)
{
U8 byte = off<string.size ? string.str[off] : 0;
switch(byte)
{
default:{}break;
case '{':case '[':case '(':{next_depth += 1; next_depth = Max(0, next_depth);}break;
case '}':case ']':case ')':{next_depth -= 1; next_depth = Max(0, next_depth); depth = next_depth;}break;
case '\n':
case 0:
{
String8 line = str8_skip_chop_whitespace(str8_substr(string, r1u64(line_begin_off, off)));
if(line.size != 0)
{
str8_list_pushf(scratch.arena, &indented_strings, "%.*s%S\n", (int)depth*2, indentation_bytes, line);
}
line_begin_off = off+1;
depth = next_depth;
}break;
}
}
String8 result = str8_list_join(arena, &indented_strings, 0);
scratch_end(scratch);
return result;
}
////////////////////////////////
//~ rjf: Text Wrapping
internal String8List
wrapped_lines_from_string(Arena *arena, String8 string, U64 first_line_max_width, U64 max_width, U64 wrap_indent)
{
String8List list = {0};
Rng1U64 line_range = r1u64(0, 0);
U64 wrapped_indent_level = 0;
static char *spaces = " ";
for (U64 idx = 0; idx <= string.size; idx += 1){
U8 chr = idx < string.size ? string.str[idx] : 0;
if (chr == '\n'){
Rng1U64 candidate_line_range = line_range;
candidate_line_range.max = idx;
// NOTE(nick): when wrapping is interrupted with \n we emit a string without including \n
// because later tool_fprint_list inserts separator after each node
// except for last node, so don't strip last \n.
if (idx + 1 == string.size){
candidate_line_range.max += 1;
}
String8 substr = str8_substr(string, candidate_line_range);
str8_list_push(arena, &list, substr);
line_range = r1u64(idx+1,idx+1);
}
else
if (char_is_space(chr) || chr == 0){
Rng1U64 candidate_line_range = line_range;
candidate_line_range.max = idx;
String8 substr = str8_substr(string, candidate_line_range);
U64 width_this_line = max_width-wrapped_indent_level;
if (list.node_count == 0){
width_this_line = first_line_max_width;
}
if (substr.size > width_this_line){
String8 line = str8_substr(string, line_range);
if (wrapped_indent_level > 0){
line = push_str8f(arena, "%.*s%S", wrapped_indent_level, spaces, line);
}
str8_list_push(arena, &list, line);
line_range = r1u64(line_range.max+1, candidate_line_range.max);
wrapped_indent_level = ClampTop(64, wrap_indent);
}
else{
line_range = candidate_line_range;
}
}
}
if (line_range.min < string.size && line_range.max > line_range.min){
String8 line = str8_substr(string, line_range);
if (wrapped_indent_level > 0){
line = push_str8f(arena, "%.*s%S", wrapped_indent_level, spaces, line);
}
str8_list_push(arena, &list, line);
}
return list;
}
////////////////////////////////
//~ rjf: String <-> Color
internal String8
hex_string_from_rgba_4f32(Arena *arena, Vec4F32 rgba)
{
String8 hex_string = push_str8f(arena, "%02x%02x%02x%02x", (U8)(rgba.x*255.f), (U8)(rgba.y*255.f), (U8)(rgba.z*255.f), (U8)(rgba.w*255.f));
return hex_string;
}
internal Vec4F32
rgba_from_hex_string_4f32(String8 hex_string)
{
U8 byte_text[8] = {0};
U64 byte_text_idx = 0;
for(U64 idx = 0; idx < hex_string.size && byte_text_idx < ArrayCount(byte_text); idx += 1)
{
if(char_is_digit(hex_string.str[idx], 16))
{
byte_text[byte_text_idx] = char_to_lower(hex_string.str[idx]);
byte_text_idx += 1;
}
}
U8 byte_vals[4] = {0};
for(U64 idx = 0; idx < 4; idx += 1)
{
byte_vals[idx] = (U8)u64_from_str8(str8(&byte_text[idx*2], 2), 16);
}
Vec4F32 rgba = v4f32(byte_vals[0]/255.f, byte_vals[1]/255.f, byte_vals[2]/255.f, byte_vals[3]/255.f);
return rgba;
}
////////////////////////////////
//~ rjf: String Fuzzy Matching
internal FuzzyMatchRangeList
fuzzy_match_find(Arena *arena, String8 needle, String8 haystack)
{
FuzzyMatchRangeList result = {0};
Temp scratch = scratch_begin(&arena, 1);
String8List needles = str8_split(scratch.arena, needle, (U8*)" ", 1, 0);
result.needle_part_count = needles.node_count;
for(String8Node *needle_n = needles.first; needle_n != 0; needle_n = needle_n->next)
{
U64 find_pos = 0;
for(;find_pos < haystack.size;)
{
find_pos = str8_find_needle(haystack, find_pos, needle_n->string, StringMatchFlag_CaseInsensitive);
B32 is_in_gathered_ranges = 0;
for(FuzzyMatchRangeNode *n = result.first; n != 0; n = n->next)
{
if(n->range.min <= find_pos && find_pos < n->range.max)
{
is_in_gathered_ranges = 1;
find_pos = n->range.max;
break;
}
}
if(!is_in_gathered_ranges)
{
break;
}
}
if(find_pos < haystack.size)
{
Rng1U64 range = r1u64(find_pos, find_pos+needle_n->string.size);
FuzzyMatchRangeNode *n = push_array(arena, FuzzyMatchRangeNode, 1);
n->range = range;
SLLQueuePush(result.first, result.last, n);
result.count += 1;
result.total_dim += dim_1u64(range);
}
}
scratch_end(scratch);
return result;
}
internal FuzzyMatchRangeList
fuzzy_match_range_list_copy(Arena *arena, FuzzyMatchRangeList *src)
{
FuzzyMatchRangeList dst = {0};
for(FuzzyMatchRangeNode *src_n = src->first; src_n != 0; src_n = src_n->next)
{
FuzzyMatchRangeNode *dst_n = push_array(arena, FuzzyMatchRangeNode, 1);
SLLQueuePush(dst.first, dst.last, dst_n);
dst_n->range = src_n->range;
}
dst.count = src->count;
dst.needle_part_count = src->needle_part_count;
dst.total_dim = src->total_dim;
return dst;
}
////////////////////////////////
//~ NOTE(allen): Serialization Helpers
internal void
str8_serial_begin(Arena *arena, String8List *srl){
String8Node *node = push_array(arena, String8Node, 1);
node->string.str = push_array_no_zero(arena, U8, 0);
srl->first = srl->last = node;
srl->node_count = 1;
srl->total_size = 0;
}
internal String8
str8_serial_end(Arena *arena, String8List *srl){
U64 size = srl->total_size;
U8 *out = push_array_no_zero(arena, U8, size);
str8_serial_write_to_dst(srl, out);
String8 result = str8(out, size);
return result;
}
internal void
str8_serial_write_to_dst(String8List *srl, void *out){
U8 *ptr = (U8*)out;
for (String8Node *node = srl->first;
node != 0;
node = node->next){
U64 size = node->string.size;
MemoryCopy(ptr, node->string.str, size);
ptr += size;
}
}
internal U64
str8_serial_push_align(Arena *arena, String8List *srl, U64 align){
Assert(IsPow2(align));
U64 pos = srl->total_size;
U64 new_pos = AlignPow2(pos, align);
U64 size = (new_pos - pos);
if(size != 0)
{
U8 *buf = push_array(arena, U8, size);
String8 *str = &srl->last->string;
if (str->str + str->size == buf){
srl->last->string.size += size;
srl->total_size += size;
}
else{
str8_list_push(arena, srl, str8(buf, size));
}
}
return size;
}
internal void *
str8_serial_push_size(Arena *arena, String8List *srl, U64 size)
{
void *result = 0;
if(size != 0)
{
U8 *buf = push_array_no_zero(arena, U8, size);
String8 *str = &srl->last->string;
if (str->str + str->size == buf){
srl->last->string.size += size;
srl->total_size += size;
}
else{
str8_list_push(arena, srl, str8(buf, size));
}
result = buf;
}
return result;
}
internal void *
str8_serial_push_data(Arena *arena, String8List *srl, void *data, U64 size){
void *result = str8_serial_push_size(arena, srl, size);
if(result != 0)
{
MemoryCopy(result, data, size);
}
return result;
}
internal void
str8_serial_push_data_list(Arena *arena, String8List *srl, String8Node *first){
for (String8Node *node = first;
node != 0;
node = node->next){
str8_serial_push_data(arena, srl, node->string.str, node->string.size);
}
}
internal void
str8_serial_push_u64(Arena *arena, String8List *srl, U64 x){
U8 *buf = push_array_no_zero(arena, U8, 8);
MemoryCopy(buf, &x, 8);
String8 *str = &srl->last->string;
if (str->str + str->size == buf){
srl->last->string.size += 8;
srl->total_size += 8;
}
else{
str8_list_push(arena, srl, str8(buf, 8));
}
}
internal void
str8_serial_push_u32(Arena *arena, String8List *srl, U32 x){
U8 *buf = push_array_no_zero(arena, U8, 4);
MemoryCopy(buf, &x, 4);
String8 *str = &srl->last->string;
if (str->str + str->size == buf){
srl->last->string.size += 4;
srl->total_size += 4;
}
else{
str8_list_push(arena, srl, str8(buf, 4));
}
}
internal void
str8_serial_push_u16(Arena *arena, String8List *srl, U16 x){
str8_serial_push_data(arena, srl, &x, sizeof(x));
}
internal void
str8_serial_push_u8(Arena *arena, String8List *srl, U8 x){
str8_serial_push_data(arena, srl, &x, sizeof(x));
}
internal void
str8_serial_push_cstr(Arena *arena, String8List *srl, String8 str){
str8_serial_push_data(arena, srl, str.str, str.size);
str8_serial_push_u8(arena, srl, 0);
}
internal void
str8_serial_push_string(Arena *arena, String8List *srl, String8 str){
str8_serial_push_data(arena, srl, str.str, str.size);
}
////////////////////////////////
//~ rjf: Deserialization Helpers
internal U64
str8_deserial_read(String8 string, U64 off, void *read_dst, U64 read_size, U64 granularity)
{
U64 bytes_left = string.size-Min(off, string.size);
U64 actually_readable_size = Min(bytes_left, read_size);
U64 legally_readable_size = actually_readable_size - actually_readable_size%granularity;
if(legally_readable_size > 0)
{
MemoryCopy(read_dst, string.str+off, legally_readable_size);
}
return legally_readable_size;
}
internal U64
str8_deserial_find_first_match(String8 string, U64 off, U16 scan_val)
{
U64 cursor = off;
for (;;) {
U16 val = 0;
str8_deserial_read_struct(string, cursor, &val);
if (val == scan_val) {
break;
}
cursor += sizeof(val);
}
return cursor;
}
internal void *
str8_deserial_get_raw_ptr(String8 string, U64 off, U64 size)
{
void *raw_ptr = 0;
if (off + size <= string.size) {
raw_ptr = string.str + off;
}
return raw_ptr;
}
internal U64
str8_deserial_read_cstr(String8 string, U64 off, String8 *cstr_out)
{
U64 cstr_size = 0;
if (off < string.size) {
U8 *ptr = string.str + off;
U8 *cap = string.str + string.size;
*cstr_out = str8_cstring_capped(ptr, cap);
cstr_size = (cstr_out->size + 1);
}
return cstr_size;
}
internal U64
str8_deserial_read_windows_utf16_string16(String8 string, U64 off, String16 *str_out)
{
U64 null_off = str8_deserial_find_first_match(string, off, 0);
U64 size = null_off - off;
U16 *str = (U16 *)str8_deserial_get_raw_ptr(string, off, size);
U64 count = size / sizeof(*str);
*str_out = str16(str, count);
U64 read_size_with_null = size + sizeof(*str);
return read_size_with_null;
}
internal U64
str8_deserial_read_block(String8 string, U64 off, U64 size, String8 *block_out)
{
Rng1U64 range = rng_1u64(off, off + size);
*block_out = str8_substr(string, range);
return block_out->size;
}
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