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gencpp/base/dependencies/strings.hpp

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#ifdef GEN_INTELLISENSE_DIRECTIVES
# pragma once
# include "hashing.hpp"
#endif
#pragma region Strings
struct Str;
Str to_str_from_c_str (char const* bad_string);
bool str_are_equal (Str lhs, Str rhs);
char const* str_back (Str str);
bool str_contains (Str str, Str substring);
Str str_duplicate (Str str, AllocatorInfo allocator);
b32 str_starts_with (Str str, Str substring);
Str str_visualize_whitespace(Str str, AllocatorInfo allocator);
// Constant string with length.
struct Str
{
char const* Ptr;
ssize Len;
#if GEN_COMPILER_CPP
forceinline operator char const* () const { return Ptr; }
forceinline char const& operator[]( ssize index ) const { return Ptr[index]; }
#if ! GEN_C_LIKE_CPP
forceinline bool is_equal (Str rhs) const { return str_are_equal(* this, rhs); }
forceinline char const* back () const { return str_back(* this); }
forceinline bool contains (Str substring) const { return str_contains(* this, substring); }
forceinline Str duplicate (AllocatorInfo allocator) const { return str_duplicate(* this, allocator); }
forceinline b32 starts_with (Str substring) const { return str_starts_with(* this, substring); }
forceinline Str visualize_whitespace(AllocatorInfo allocator) const { return str_visualize_whitespace(* this, allocator); }
#endif
#endif
};
#define cast_to_str( str ) * rcast( Str*, (str) - sizeof(ssize) )
#ifndef txt
# if GEN_COMPILER_CPP
# define txt( text ) GEN_NS Str { ( text ), sizeof( text ) - 1 }
# else
# define txt( text ) (GEN_NS Str){ ( text ), sizeof( text ) - 1 }
# endif
#endif
GEN_API_C_BEGIN
forceinline char const* str_begin(Str str) { return str.Ptr; }
forceinline char const* str_end (Str str) { return str.Ptr + str.Len; }
forceinline char const* str_next (Str str, char const* iter) { return iter + 1; }
GEN_API_C_END
#if GEN_COMPILER_CPP
forceinline char const* begin(Str str) { return str.Ptr; }
forceinline char const* end (Str str) { return str.Ptr + str.Len; }
forceinline char const* next (Str str, char const* iter) { return iter + 1; }
#endif
inline
bool str_are_equal(Str lhs, Str rhs)
{
if (lhs.Len != rhs.Len)
return false;
for (ssize idx = 0; idx < lhs.Len; ++idx)
if (lhs.Ptr[idx] != rhs.Ptr[idx])
return false;
return true;
}
inline
char const* str_back(Str str) {
return & str.Ptr[str.Len - 1];
}
inline
bool str_contains(Str str, Str substring)
{
if (substring.Len > str.Len)
return false;
ssize main_len = str.Len;
ssize sub_len = substring.Len;
for (ssize idx = 0; idx <= main_len - sub_len; ++idx)
{
if (c_str_compare_len(str.Ptr + idx, substring.Ptr, sub_len) == 0)
return true;
}
return false;
}
inline
b32 str_starts_with(Str str, Str substring) {
if (substring.Len > str.Len)
return false;
b32 result = c_str_compare_len(str.Ptr, substring.Ptr, substring.Len) == 0;
return result;
}
inline
Str to_str_from_c_str( char const* bad_str ) {
Str result = { bad_str, c_str_len( bad_str ) };
return result;
}
// Dynamic StrBuilder
// This is directly based off the ZPL string api.
// They used a header pattern
// I kept it for simplicty of porting but its not necessary to keep it that way.
#pragma region StrBuilder
struct StrBuilderHeader;
#if GEN_COMPILER_C
typedef char* StrBuilder;
#else
struct StrBuilder;
#endif
forceinline usize strbuilder_grow_formula(usize value);
StrBuilder strbuilder_make_c_str (AllocatorInfo allocator, char const* str);
StrBuilder strbuilder_make_str (AllocatorInfo allocator, Str str);
StrBuilder strbuilder_make_reserve (AllocatorInfo allocator, ssize capacity);
StrBuilder strbuilder_make_length (AllocatorInfo allocator, char const* str, ssize length);
StrBuilder strbuilder_fmt (AllocatorInfo allocator, char* buf, ssize buf_size, char const* fmt, ...);
StrBuilder strbuilder_fmt_buf (AllocatorInfo allocator, char const* fmt, ...);
StrBuilder strbuilder_join (AllocatorInfo allocator, char const** parts, ssize num_parts, char const* glue);
bool strbuilder_are_equal (StrBuilder const lhs, StrBuilder const rhs);
bool strbuilder_are_equal_str (StrBuilder const lhs, Str rhs);
bool strbuilder_make_space_for (StrBuilder* str, char const* to_append, ssize add_len);
bool strbuilder_append_char (StrBuilder* str, char c);
bool strbuilder_append_c_str (StrBuilder* str, char const* c_str_to_append);
bool strbuilder_append_c_str_len (StrBuilder* str, char const* c_str_to_append, ssize length);
bool strbuilder_append_str (StrBuilder* str, Str c_str_to_append);
bool strbuilder_append_string (StrBuilder* str, StrBuilder const other);
bool strbuilder_append_fmt (StrBuilder* str, char const* fmt, ...);
ssize strbuilder_avail_space (StrBuilder const str);
char* strbuilder_back (StrBuilder str);
bool strbuilder_contains_str (StrBuilder const str, Str substring);
bool strbuilder_contains_string (StrBuilder const str, StrBuilder const substring);
ssize strbuilder_capacity (StrBuilder const str);
void strbuilder_clear (StrBuilder str);
StrBuilder strbuilder_duplicate (StrBuilder const str, AllocatorInfo allocator);
void strbuilder_free (StrBuilder* str);
StrBuilderHeader* strbuilder_get_header (StrBuilder str);
ssize strbuilder_length (StrBuilder const str);
b32 strbuilder_starts_with_str (StrBuilder const str, Str substring);
b32 strbuilder_starts_with_string (StrBuilder const str, StrBuilder substring);
void strbuilder_skip_line (StrBuilder str);
void strbuilder_strip_space (StrBuilder str);
Str strbuilder_to_str (StrBuilder str);
void strbuilder_trim (StrBuilder str, char const* cut_set);
void strbuilder_trim_space (StrBuilder str);
StrBuilder strbuilder_visualize_whitespace(StrBuilder const str);
struct StrBuilderHeader {
AllocatorInfo Allocator;
ssize Capacity;
ssize Length;
};
#if GEN_COMPILER_CPP
struct StrBuilder
{
char* Data;
forceinline operator char*() { return Data; }
forceinline operator char const*() const { return Data; }
forceinline operator Str() const { return { Data, strbuilder_length(* this) }; }
StrBuilder const& operator=(StrBuilder const& other) const {
if (this == &other)
return *this;
StrBuilder* this_ = ccast(StrBuilder*, this);
this_->Data = other.Data;
return *this;
}
forceinline char& operator[](ssize index) { return Data[index]; }
forceinline char const& operator[](ssize index) const { return Data[index]; }
forceinline bool operator==(std::nullptr_t) const { return Data == nullptr; }
forceinline bool operator!=(std::nullptr_t) const { return Data != nullptr; }
friend forceinline bool operator==(std::nullptr_t, const StrBuilder str) { return str.Data == nullptr; }
friend forceinline bool operator!=(std::nullptr_t, const StrBuilder str) { return str.Data != nullptr; }
#if ! GEN_C_LIKE_CPP
forceinline char* begin() const { return Data; }
forceinline char* end() const { return Data + strbuilder_length(* this); }
#pragma region Member Mapping
forceinline static StrBuilder make(AllocatorInfo allocator, char const* str) { return strbuilder_make_c_str(allocator, str); }
forceinline static StrBuilder make(AllocatorInfo allocator, Str str) { return strbuilder_make_str(allocator, str); }
forceinline static StrBuilder make_reserve(AllocatorInfo allocator, ssize cap) { return strbuilder_make_reserve(allocator, cap); }
forceinline static StrBuilder make_length(AllocatorInfo a, char const* s, ssize l) { return strbuilder_make_length(a, s, l); }
forceinline static StrBuilder join(AllocatorInfo a, char const** p, ssize n, char const* g) { return strbuilder_join(a, p, n, g); }
forceinline static usize grow_formula(usize value) { return strbuilder_grow_formula(value); }
static
StrBuilder fmt(AllocatorInfo allocator, char* buf, ssize buf_size, char const* fmt, ...) {
va_list va;
va_start(va, fmt);
ssize res = c_str_fmt_va(buf, buf_size, fmt, va) - 1;
va_end(va);
return strbuilder_make_length(allocator, buf, res);
}
static
StrBuilder fmt_buf(AllocatorInfo allocator, char const* fmt, ...) {
local_persist thread_local
char buf[GEN_PRINTF_MAXLEN] = { 0 };
va_list va;
va_start(va, fmt);
ssize res = c_str_fmt_va(buf, GEN_PRINTF_MAXLEN, fmt, va) - 1;
va_end(va);
return strbuilder_make_length(allocator, buf, res);
}
forceinline bool make_space_for(char const* str, ssize add_len) { return strbuilder_make_space_for(this, str, add_len); }
forceinline bool append(char c) { return strbuilder_append_char(this, c); }
forceinline bool append(char const* str) { return strbuilder_append_c_str(this, str); }
forceinline bool append(char const* str, ssize length) { return strbuilder_append_c_str_len(this, str, length); }
forceinline bool append(Str str) { return strbuilder_append_str(this, str); }
forceinline bool append(const StrBuilder other) { return strbuilder_append_string(this, other); }
forceinline ssize avail_space() const { return strbuilder_avail_space(* this); }
forceinline char* back() { return strbuilder_back(* this); }
forceinline bool contains(Str substring) const { return strbuilder_contains_str(* this, substring); }
forceinline bool contains(StrBuilder const& substring) const { return strbuilder_contains_string(* this, substring); }
forceinline ssize capacity() const { return strbuilder_capacity(* this); }
forceinline void clear() { strbuilder_clear(* this); }
forceinline StrBuilder duplicate(AllocatorInfo allocator) const { return strbuilder_duplicate(* this, allocator); }
forceinline void free() { strbuilder_free(this); }
forceinline bool is_equal(StrBuilder const& other) const { return strbuilder_are_equal(* this, other); }
forceinline bool is_equal(Str other) const { return strbuilder_are_equal_str(* this, other); }
forceinline ssize length() const { return strbuilder_length(* this); }
forceinline b32 starts_with(Str substring) const { return strbuilder_starts_with_str(* this, substring); }
forceinline b32 starts_with(StrBuilder substring) const { return strbuilder_starts_with_string(* this, substring); }
forceinline void skip_line() { strbuilder_skip_line(* this); }
forceinline void strip_space() { strbuilder_strip_space(* this); }
forceinline Str to_str() { return { Data, strbuilder_length(*this) }; }
forceinline void trim(char const* cut_set) { strbuilder_trim(* this, cut_set); }
forceinline void trim_space() { strbuilder_trim_space(* this); }
forceinline StrBuilder visualize_whitespace() const { return strbuilder_visualize_whitespace(* this); }
forceinline StrBuilderHeader& get_header() { return * strbuilder_get_header(* this); }
bool append_fmt(char const* fmt, ...) {
ssize res;
char buf[GEN_PRINTF_MAXLEN] = { 0 };
va_list va;
va_start(va, fmt);
res = c_str_fmt_va(buf, count_of(buf) - 1, fmt, va) - 1;
va_end(va);
return strbuilder_append_c_str_len(this, buf, res);
}
#pragma endregion Member Mapping
#endif
};
#endif
forceinline char* strbuilder_begin(StrBuilder str) { return ((char*) str); }
forceinline char* strbuilder_end (StrBuilder str) { return ((char*) str + strbuilder_length(str)); }
forceinline char* strbuilder_next (StrBuilder str, char const* iter) { return ((char*) iter + 1); }
#if GEN_COMPILER_CPP && ! GEN_C_LIKE_CPP
forceinline char* begin(StrBuilder str) { return ((char*) str); }
forceinline char* end (StrBuilder str) { return ((char*) str + strbuilder_length(str)); }
forceinline char* next (StrBuilder str, char* iter) { return ((char*) iter + 1); }
#endif
#if GEN_COMPILER_CPP && ! GEN_C_LIKE_CPP
forceinline bool make_space_for(StrBuilder& str, char const* to_append, ssize add_len);
forceinline bool append(StrBuilder& str, char c);
forceinline bool append(StrBuilder& str, char const* c_str_to_append);
forceinline bool append(StrBuilder& str, char const* c_str_to_append, ssize length);
forceinline bool append(StrBuilder& str, Str c_str_to_append);
forceinline bool append(StrBuilder& str, const StrBuilder other);
forceinline bool append_fmt(StrBuilder& str, char const* fmt, ...);
forceinline char& back(StrBuilder& str);
forceinline void clear(StrBuilder& str);
forceinline void free(StrBuilder& str);
#endif
forceinline
usize strbuilder_grow_formula(usize value) {
// Using a very aggressive growth formula to reduce time mem_copying with recursive calls to append in this library.
return 4 * value + 8;
}
forceinline
StrBuilder strbuilder_make_c_str(AllocatorInfo allocator, char const* str) {
ssize length = str ? c_str_len(str) : 0;
return strbuilder_make_length(allocator, str, length);
}
forceinline
StrBuilder strbuilder_make_str(AllocatorInfo allocator, Str str) {
return strbuilder_make_length(allocator, str.Ptr, str.Len);
}
inline
StrBuilder strbuilder_fmt(AllocatorInfo allocator, char* buf, ssize buf_size, char const* fmt, ...) {
va_list va;
va_start(va, fmt);
ssize res = c_str_fmt_va(buf, buf_size, fmt, va) - 1;
va_end(va);
return strbuilder_make_length(allocator, buf, res);
}
inline
StrBuilder strbuilder_fmt_buf(AllocatorInfo allocator, char const* fmt, ...)
{
local_persist thread_local
PrintF_Buffer buf = struct_init(PrintF_Buffer, {0});
va_list va;
va_start(va, fmt);
ssize res = c_str_fmt_va(buf, GEN_PRINTF_MAXLEN, fmt, va) -1;
va_end(va);
return strbuilder_make_length(allocator, buf, res);
}
inline
StrBuilder strbuilder_join(AllocatorInfo allocator, char const** parts, ssize num_parts, char const* glue)
{
StrBuilder result = strbuilder_make_c_str(allocator, "");
for (ssize idx = 0; idx < num_parts; ++idx)
{
strbuilder_append_c_str(& result, parts[idx]);
if (idx < num_parts - 1)
strbuilder_append_c_str(& result, glue);
}
return result;
}
forceinline
bool strbuilder_append_char(StrBuilder* str, char c) {
GEN_ASSERT(str != nullptr);
return strbuilder_append_c_str_len( str, (char const*)& c, (ssize)1);
}
forceinline
bool strbuilder_append_c_str(StrBuilder* str, char const* c_str_to_append) {
GEN_ASSERT(str != nullptr);
return strbuilder_append_c_str_len(str, c_str_to_append, c_str_len(c_str_to_append));
}
inline
bool strbuilder_append_c_str_len(StrBuilder* str, char const* c_str_to_append, ssize append_length)
{
GEN_ASSERT(str != nullptr);
if ( rcast(sptr, c_str_to_append) > 0)
{
ssize curr_len = strbuilder_length(* str);
if ( ! strbuilder_make_space_for(str, c_str_to_append, append_length))
return false;
StrBuilderHeader* header = strbuilder_get_header(* str);
char* Data = * str;
mem_copy( Data + curr_len, c_str_to_append, append_length);
Data[curr_len + append_length] = '\0';
header->Length = curr_len + append_length;
}
return c_str_to_append != nullptr;
}
forceinline
bool strbuilder_append_str(StrBuilder* str, Str c_str_to_append) {
GEN_ASSERT(str != nullptr);
return strbuilder_append_c_str_len(str, c_str_to_append.Ptr, c_str_to_append.Len);
}
forceinline
bool strbuilder_append_string(StrBuilder* str, StrBuilder const other) {
GEN_ASSERT(str != nullptr);
return strbuilder_append_c_str_len(str, (char const*)other, strbuilder_length(other));
}
inline
bool strbuilder_append_fmt(StrBuilder* str, char const* fmt, ...) {
GEN_ASSERT(str != nullptr);
ssize res;
char buf[GEN_PRINTF_MAXLEN] = { 0 };
va_list va;
va_start(va, fmt);
res = c_str_fmt_va(buf, count_of(buf) - 1, fmt, va) - 1;
va_end(va);
return strbuilder_append_c_str_len(str, (char const*)buf, res);
}
inline
bool strbuilder_are_equal_string(StrBuilder const lhs, StrBuilder const rhs)
{
if (strbuilder_length(lhs) != strbuilder_length(rhs))
return false;
for (ssize idx = 0; idx < strbuilder_length(lhs); ++idx)
if (lhs[idx] != rhs[idx])
return false;
return true;
}
inline
bool strbuilder_are_equal_str(StrBuilder const lhs, Str rhs)
{
if (strbuilder_length(lhs) != (rhs.Len))
return false;
for (ssize idx = 0; idx < strbuilder_length(lhs); ++idx)
if (lhs[idx] != rhs.Ptr[idx])
return false;
return true;
}
forceinline
ssize strbuilder_avail_space(StrBuilder const str) {
StrBuilderHeader const* header = rcast(StrBuilderHeader const*, scast(char const*, str) - sizeof(StrBuilderHeader));
return header->Capacity - header->Length;
}
forceinline
char* strbuilder_back(StrBuilder str) {
return & (str)[strbuilder_length(str) - 1];
}
inline
bool strbuilder_contains_StrC(StrBuilder const str, Str substring)
{
StrBuilderHeader const* header = rcast(StrBuilderHeader const*, scast(char const*, str) - sizeof(StrBuilderHeader));
if (substring.Len > header->Length)
return false;
ssize main_len = header->Length;
ssize sub_len = substring.Len;
for (ssize idx = 0; idx <= main_len - sub_len; ++idx)
{
if (c_str_compare_len(str + idx, substring.Ptr, sub_len) == 0)
return true;
}
return false;
}
inline
bool strbuilder_contains_string(StrBuilder const str, StrBuilder const substring)
{
StrBuilderHeader const* header = rcast(StrBuilderHeader const*, scast(char const*, str) - sizeof(StrBuilderHeader));
if (strbuilder_length(substring) > header->Length)
return false;
ssize main_len = header->Length;
ssize sub_len = strbuilder_length(substring);
for (ssize idx = 0; idx <= main_len - sub_len; ++idx)
{
if (c_str_compare_len(str + idx, substring, sub_len) == 0)
return true;
}
return false;
}
forceinline
ssize strbuilder_capacity(StrBuilder const str) {
StrBuilderHeader const* header = rcast(StrBuilderHeader const*, scast(char const*, str) - sizeof(StrBuilderHeader));
return header->Capacity;
}
forceinline
void strbuilder_clear(StrBuilder str) {
strbuilder_get_header(str)->Length = 0;
}
forceinline
StrBuilder strbuilder_duplicate(StrBuilder const str, AllocatorInfo allocator) {
return strbuilder_make_length(allocator, str, strbuilder_length(str));
}
forceinline
void strbuilder_free(StrBuilder* str) {
GEN_ASSERT(str != nullptr);
if (! (* str))
return;
StrBuilderHeader* header = strbuilder_get_header(* str);
allocator_free(header->Allocator, header);
}
forceinline
StrBuilderHeader* strbuilder_get_header(StrBuilder str) {
return (StrBuilderHeader*)(scast(char*, str) - sizeof(StrBuilderHeader));
}
forceinline
ssize strbuilder_length(StrBuilder const str)
{
StrBuilderHeader const* header = rcast(StrBuilderHeader const*, scast(char const*, str) - sizeof(StrBuilderHeader));
return header->Length;
}
inline
bool strbuilder_make_space_for(StrBuilder* str, char const* to_append, ssize add_len)
{
ssize available = strbuilder_avail_space(* str);
if (available >= add_len) {
return true;
}
else
{
ssize new_len, old_size, new_size;
void* ptr;
void* new_ptr;
AllocatorInfo allocator = strbuilder_get_header(* str)->Allocator;
StrBuilderHeader* header = nullptr;
new_len = strbuilder_grow_formula(strbuilder_length(* str) + add_len);
ptr = strbuilder_get_header(* str);
old_size = size_of(StrBuilderHeader) + strbuilder_length(* str) + 1;
new_size = size_of(StrBuilderHeader) + new_len + 1;
new_ptr = resize(allocator, ptr, old_size, new_size);
if (new_ptr == nullptr)
return false;
header = rcast(StrBuilderHeader*, new_ptr);
header->Allocator = allocator;
header->Capacity = new_len;
char** Data = rcast(char**, str);
* Data = rcast(char*, header + 1);
return true;
}
}
forceinline
b32 strbuilder_starts_with_str(StrBuilder const str, Str substring) {
if (substring.Len > strbuilder_length(str))
return false;
b32 result = c_str_compare_len(str, substring.Ptr, substring.Len) == 0;
return result;
}
forceinline
b32 strbuilder_starts_with_string(StrBuilder const str, StrBuilder substring) {
if (strbuilder_length(substring) > strbuilder_length(str))
return false;
b32 result = c_str_compare_len(str, substring, strbuilder_length(substring) - 1) == 0;
return result;
}
inline
void strbuilder_skip_line(StrBuilder str)
{
#define current (*scanner)
char* scanner = str;
while (current != '\r' && current != '\n') {
++scanner;
}
s32 new_length = scanner - str;
if (current == '\r') {
new_length += 1;
}
mem_move((char*)str, scanner, new_length);
StrBuilderHeader* header = strbuilder_get_header(str);
header->Length = new_length;
#undef current
}
inline
void strbuilder_strip_space(StrBuilder str)
{
char* write_pos = str;
char* read_pos = str;
while (* read_pos)
{
if (! char_is_space(* read_pos))
{
* write_pos = * read_pos;
write_pos++;
}
read_pos++;
}
write_pos[0] = '\0'; // Null-terminate the modified string
// Update the length if needed
strbuilder_get_header(str)->Length = write_pos - str;
}
forceinline
Str strbuilder_to_str(StrBuilder str) {
Str result = { (char const*)str, strbuilder_length(str) };
return result;
}
inline
void strbuilder_trim(StrBuilder str, char const* cut_set)
{
ssize len = 0;
char* start_pos = str;
char* end_pos = scast(char*, str) + strbuilder_length(str) - 1;
while (start_pos <= end_pos && char_first_occurence(cut_set, *start_pos))
start_pos++;
while (end_pos > start_pos && char_first_occurence(cut_set, *end_pos))
end_pos--;
len = scast(ssize, (start_pos > end_pos) ? 0 : ((end_pos - start_pos) + 1));
if (str != start_pos)
mem_move(str, start_pos, len);
str[len] = '\0';
strbuilder_get_header(str)->Length = len;
}
forceinline
void strbuilder_trim_space(StrBuilder str) {
strbuilder_trim(str, " \t\r\n\v\f");
}
inline
StrBuilder strbuilder_visualize_whitespace(StrBuilder const str)
{
StrBuilderHeader* header = (StrBuilderHeader*)(scast(char const*, str) - sizeof(StrBuilderHeader));
StrBuilder result = strbuilder_make_reserve(header->Allocator, strbuilder_length(str) * 2); // Assume worst case for space requirements.
for (char const* c = strbuilder_begin(str); c != strbuilder_end(str); c = strbuilder_next(str, c))
switch ( * c )
{
case ' ':
strbuilder_append_str(& result, txt("·"));
break;
case '\t':
strbuilder_append_str(& result, txt("→"));
break;
case '\n':
strbuilder_append_str(& result, txt("↵"));
break;
case '\r':
strbuilder_append_str(& result, txt("⏎"));
break;
case '\v':
strbuilder_append_str(& result, txt("⇕"));
break;
case '\f':
strbuilder_append_str(& result, txt("⌂"));
break;
default:
strbuilder_append_char(& result, * c);
break;
}
return result;
}
#pragma endregion StrBuilder
#if GEN_COMPILER_CPP
struct StrBuilder_POD {
char* Data;
};
static_assert( sizeof( StrBuilder_POD ) == sizeof( StrBuilder ), "StrBuilder is not a POD" );
#endif
forceinline
Str str_duplicate(Str str, AllocatorInfo allocator) {
Str result = strbuilder_to_str( strbuilder_make_length(allocator, str.Ptr, str.Len));
return result;
}
inline
Str str_visualize_whitespace(Str str, AllocatorInfo allocator)
{
StrBuilder result = strbuilder_make_reserve(allocator, str.Len * 2); // Assume worst case for space requirements.
for (char const* c = str_begin(str); c != str_end(str); c = str_next(str, c))
switch ( * c )
{
case ' ':
strbuilder_append_str(& result, txt("·"));
break;
case '\t':
strbuilder_append_str(& result, txt("→"));
break;
case '\n':
strbuilder_append_str(& result, txt("↵"));
break;
case '\r':
strbuilder_append_str(& result, txt("⏎"));
break;
case '\v':
strbuilder_append_str(& result, txt("⇕"));
break;
case '\f':
strbuilder_append_str(& result, txt("⌂"));
break;
default:
strbuilder_append_char(& result, * c);
break;
}
return strbuilder_to_str(result);
}
// Represents strings cached with the string table.
// Should never be modified, if changed string is desired, cache_string( str ) another.
typedef Str StrCached;
// Implements basic string interning. Data structure is based off the ZPL Hashtable.
typedef HashTable(StrCached) StringTable;
#pragma endregion Strings
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