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Add JsonWriter, reorganize data structure definition order

This commit is contained in:
doyle 2021-08-09 08:57:53 +10:00
parent 0ae5331d21
commit 2bd49c802a
2 changed files with 457 additions and 142 deletions
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31
Code/Build.bat
View File

@ -1,15 +1,28 @@
@echo OFF
set code_dir=%~dp0
if not exist ..\Build mkdir ..\Build
pushd ..\Build
REM MT Static CRT
REM EHa- Disable exception handling
REM GR- Disable C RTTI
REM O2 Optimisation Level 2
REM Oi Use CPU Intrinsics
REM Z7 Combine multi-debug files to one debug file
REM wd4201 Nonstandard extension used: nameless struct/union
REM Tp Treat header file as CPP source file
cl /MT /EHa /GR- /Od /Oi /Z7 /W4 /WX /wd4201 /D DQN_TEST_WITH_MAIN ../Code/Dqn_Tests.cpp /link /nologo
REM MT Static CRT
REM EHa- Disable exception handling
REM GR- Disable C RTTI
REM O2 Optimisation Level 2
REM Oi Use CPU Intrinsics
REM Z7 Combine multi-debug files to one debug file
REM wd4201 Nonstandard extension used: nameless struct/union
REM Tp Treat header file as CPP source file
if not exist msvc mkdir msvc
if not exist clang mkdir clang
set flags=/MT /EHa /GR- /Od /Oi /Z7 /wd4201 /D DQN_TEST_WITH_MAIN %code_dir%Dqn_Tests.cpp /link /nologo
pushd msvc
cl %flags%
popd
pushd clang
clang-cl %flags%
popd
popd

568
Code/Dqn.h
View File

@ -1254,7 +1254,7 @@ struct Dqn_FixedString
char *end () { return data + size; }
};
template <Dqn_isize MAX_> DQN_API Dqn_FixedString<MAX_> Dqn_FixedString_Fmt (char const *fmt, ...);
template <Dqn_isize MAX_> DQN_API Dqn_FixedString<MAX_> Dqn_FixedString_Fmt (char const *fmt, ...);
template <Dqn_isize MAX_> DQN_API Dqn_isize Dqn_FixedString_Max (Dqn_FixedString<MAX_> *);
template <Dqn_isize MAX_> DQN_API void Dqn_FixedString_Clear (Dqn_FixedString<MAX_> *str);
template <Dqn_isize MAX_> DQN_API Dqn_b32 Dqn_FixedString_AppendFmtV(Dqn_FixedString<MAX_> *str, char const *fmt, va_list va);
@ -1263,6 +1263,164 @@ template <Dqn_isize MAX_> DQN_API Dqn_b32 Dqn_FixedString_Append
template <Dqn_isize MAX_> DQN_API Dqn_b32 Dqn_FixedString_Append (Dqn_FixedString<MAX_> *str, Dqn_String src);
template <Dqn_isize MAX_> DQN_API Dqn_String Dqn_FixedString_ToString (Dqn_FixedString<MAX_> const *str);
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_StringList
// -------------------------------------------------------------------------------------------------
struct Dqn_StringListNode
{
Dqn_String string;
Dqn_StringListNode *next;
};
struct Dqn_StringList
{
Dqn_isize string_size;
Dqn_StringListNode *head;
Dqn_StringListNode *curr;
};
DQN_API Dqn_StringListNode *Dqn_StringList_MakeNode(Dqn_ArenaAllocator *arena, Dqn_isize size);
DQN_API void Dqn_StringList_AddNode(Dqn_StringList *list, Dqn_StringListNode *node);
DQN_API void Dqn_StringList_AppendFmtV(Dqn_StringList *list, Dqn_ArenaAllocator *arena, char const *fmt, va_list args);
DQN_API void Dqn_StringList_AppendFmt(Dqn_StringList *list, Dqn_ArenaAllocator *arena, char const *fmt, ...);
DQN_API void Dqn_StringList_AppendFmt(Dqn_StringList *list, Dqn_ArenaAllocator *arena, char const *fmt, ...);
DQN_API Dqn_String Dqn_StringList_Build(Dqn_StringList const *list, Dqn_ArenaAllocator *arena);
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_StringBuilder
// -------------------------------------------------------------------------------------------------
// TODO(dqn): Rewrite this, iirc the logic here is way more complicated than it
// needs to be have written a StringList implementation that is many times
// simpler than this. There's value in being able to allocate a block up-front
// and append to it until we run out of space for operations where we make a lot
// of small nodes, like using JsonWriter.
struct Dqn_StringBuilderBlock
{
char *mem;
Dqn_isize size;
Dqn_isize used;
Dqn_StringBuilderBlock *next;
};
// TODO(dqn): Rewrite this as string lists
Dqn_isize constexpr DQN_STRING_BUILDER_MIN_BLOCK_SIZE = DQN_KILOBYTES(4);
template <Dqn_isize N = DQN_KILOBYTES(16)>
struct Dqn_StringBuilder
{
Dqn_ArenaAllocator *arena;
char fixed_mem[N];
Dqn_StringBuilderBlock fixed_mem_block;
Dqn_StringBuilderBlock *last_mem_block;
};
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_InitWithArena (Dqn_StringBuilder<N> *builder, Dqn_ArenaAllocator *arena);
// Get the size required to build the string, it returns the length not including the null-terminator.
template <Dqn_isize N> DQN_API Dqn_isize Dqn_StringBuilder_GetSize (Dqn_StringBuilder<N> const *builder);
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_BuildToDest (Dqn_StringBuilder<N> const *builder, char *dest, Dqn_usize dest_size);
template <Dqn_isize N> DQN_API Dqn_String Dqn_StringBuilder_BuildStringWithArena (Dqn_StringBuilder<N> *builder, Dqn_ArenaAllocator *arena);
#define Dqn_StringBuilder_Build( builder, arena, len) Dqn_StringBuilder__Build(builder, arena, len DQN_CALL_SITE(""))
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_AppendFmtV (Dqn_StringBuilder<N> *builder, char const *fmt, va_list va);
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_AppendFmt (Dqn_StringBuilder<N> *builder, char const *fmt, ...);
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_Append (Dqn_StringBuilder<N> *builder, char const *str, Dqn_isize len = -1);
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_AppendString (Dqn_StringBuilder<N> *builder, Dqn_String const string);
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_AppendChar (Dqn_StringBuilder<N> *builder, char ch);
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_FixedArray
// -------------------------------------------------------------------------------------------------
#define DQN_FIXED_ARRAY_TEMPLATE template <typename T, int MAX_>
#define DQN_FIXED_ARRAY_TEMPLATE_DECL Dqn_FixedArray<T, MAX_>
DQN_FIXED_ARRAY_TEMPLATE struct Dqn_FixedArray
{
T data[MAX_];
Dqn_isize size;
T &operator[] (Dqn_isize i) { DQN_ASSERT_MSG(i >= 0 && i <= size, "%jd >= 0 && %jd < %jd", i, size); return data[i]; }
T *begin () { return data; }
T *end () { return data + size; }
T *operator+ (Dqn_isize i) { DQN_ASSERT_MSG(i >= 0 && i <= size, "%jd >= 0 && %jd < %jd", i, size); return data + i; }
T const &operator[] (Dqn_isize i) const { DQN_ASSERT_MSG(i >= 0 && i <= size, "%jd >= 0 && %jd < %jd", i, i, size); return data[i]; }
T const *begin () const { return data; }
T const *end () const { return data + size; }
T const *operator+ (Dqn_isize i) const { DQN_ASSERT_MSG(i >= 0 && i <= size, "%jd >= 0 && %jd < %jd", i, size); return data + i; }
};
DQN_FIXED_ARRAY_TEMPLATE DQN_API DQN_FIXED_ARRAY_TEMPLATE_DECL Dqn_FixedArray_Init (T const *item, int num);
DQN_FIXED_ARRAY_TEMPLATE DQN_API Dqn_isize Dqn_FixedArray_Max (DQN_FIXED_ARRAY_TEMPLATE_DECL const *);
// Calculate the index of a item from the its pointer
DQN_FIXED_ARRAY_TEMPLATE DQN_API Dqn_isize Dqn_FixedArray_GetIndex (DQN_FIXED_ARRAY_TEMPLATE_DECL const *a, T const *entry);
// return: The newly added item, nullptr if failed
DQN_FIXED_ARRAY_TEMPLATE DQN_API T *Dqn_FixedArray_Add (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, T const *items, Dqn_isize num);
DQN_FIXED_ARRAY_TEMPLATE DQN_API T *Dqn_FixedArray_Add (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, T const &item);
// Bump the size of the array and return a pointer to 'num' uninitialised elements
DQN_FIXED_ARRAY_TEMPLATE DQN_API T *Dqn_FixedArray_Make (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_isize num);
DQN_FIXED_ARRAY_TEMPLATE DQN_API void Dqn_FixedArray_Clear (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_ZeroMem zero_mem = Dqn_ZeroMem::No);
DQN_FIXED_ARRAY_TEMPLATE DQN_API void Dqn_FixedArray_EraseStable (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_isize index);
DQN_FIXED_ARRAY_TEMPLATE DQN_API void Dqn_FixedArray_EraseUnstable(DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_isize index);
DQN_FIXED_ARRAY_TEMPLATE DQN_API void Dqn_FixedArray_Pop (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_isize num = 1, Dqn_ZeroMem zero_mem = Dqn_ZeroMem::No);
DQN_FIXED_ARRAY_TEMPLATE DQN_API T *Dqn_FixedArray_Peek (DQN_FIXED_ARRAY_TEMPLATE_DECL *a);
DQN_FIXED_ARRAY_TEMPLATE DQN_API T Dqn_FixedArray_PeekCopy (DQN_FIXED_ARRAY_TEMPLATE_DECL const *a);
template <typename T, int MAX_, typename IsEqual> DQN_API T *Dqn_FixedArray_Find (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, IsEqual IsEqualProc);
template <typename T, int MAX_, typename IsEqual> DQN_API Dqn_b32 Dqn_FixedArray_FindElseMake (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, T **entry, IsEqual IsEqualProc);
DQN_FIXED_ARRAY_TEMPLATE DQN_API T *Dqn_FixedArray_Find (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, T *find);
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_List - Chunked Linked Lists
// -------------------------------------------------------------------------------------------------
template <typename T>
struct Dqn_ListChunk
{
T *data;
Dqn_isize size;
Dqn_isize count;
Dqn_ListChunk<T> *next;
};
template <typename T>
struct Dqn_ListIterator
{
Dqn_b32 init; // (Internal): True if Dqn_List_Iterate has been called at-least once on this iterator
Dqn_ListChunk<T> *chunk; // (Internal): The chunk that the iterator is reading from
Dqn_isize chunk_data_index; // (Internal): The index in the chunk the iterator is referencing
T *data; // (Read): Pointer to the data the iterator is referencing. Nullptr if invalid.
};
template <typename T>
struct Dqn_List
{
Dqn_ArenaAllocator *arena;
Dqn_isize count; // Cumulative count of all items made across all list chunks
Dqn_isize chunk_size; // When new ListChunk's are required, the minimum 'data' entries to allocate for that node.
Dqn_ListChunk<T> *head;
Dqn_ListChunk<T> *tail;
};
template <typename T> DQN_API Dqn_List<T> Dqn_List_InitWithArena(Dqn_ArenaAllocator *arena, Dqn_isize chunk_size = 128);
// Produce an iterator for the data in the list
/*
Dqn_List<int> list = {};
for (Dqn_ListIterator<int> it = {}; Dqn_List_Iterate(&list, &it);)
{
int *item = it.data;
}
*/
template <typename T> DQN_API Dqn_b32 Dqn_List_Iterate (Dqn_List<T> *list, Dqn_ListIterator<T> *iterator);
#define Dqn_List_TaggedMake( list, count, tag) Dqn_List__Make(list, count DQN_CALL_SITE(tag))
#define Dqn_List_Make( list, count) Dqn_List__Make(list, count DQN_CALL_SITE(""))
template <typename T> DQN_API T *Dqn_List__Make( Dqn_List<T> *list, Dqn_isize count DQN_CALL_SITE_ARGS);
// -------------------------------------------------------------------------------------------------
// NOTE: Math
// -------------------------------------------------------------------------------------------------
@ -1639,8 +1797,49 @@ DQN_API Dqn_f64 Dqn_Timer_Ms (Dqn_Timer timer);
DQN_API Dqn_f64 Dqn_Timer_MicroS(Dqn_Timer timer);
DQN_API Dqn_f64 Dqn_Timer_Ns (Dqn_Timer timer);
DQN_API char *Dqn_U64ToStr (Dqn_u64 val, Dqn_U64Str *result, Dqn_b32 comma_sep);
DQN_API char *Dqn_U64ToTempStr (Dqn_u64 val, Dqn_b32 comma_sep = true);
// TODO(dqn): We need to rewrite this so that we just return a Dqn_U64Str which
// makes this a lot more ergonomic to use. Although the typical way we convert
// a number to a string is in reverse order, so I thought it'd be smart to write
// into the string buffer backwards and return a the char pointer to it, we
// should just write it in and memory copy it back so that it's at the start of
// the buffer. See Dqn_MoneyString for an example of this.
DQN_API char *Dqn_U64ToStr (Dqn_u64 val, Dqn_U64Str *result, Dqn_b32 comma_sep);
DQN_API char *Dqn_U64ToTempStr(Dqn_u64 val, Dqn_b32 comma_sep = true);
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_JsonWriter
// -------------------------------------------------------------------------------------------------
// TODO(dqn): We need to write tests for this
struct Dqn_JsonWriter
{
Dqn_FixedArray<Dqn_u16, 32> parent_field_count_stack;
Dqn_ArenaAllocator *arena;
Dqn_StringList list;
int indent_level;
int spaces_per_indent;
};
Dqn_JsonWriter Dqn_JsonWriter_Init(Dqn_ArenaAllocator *arena, int spaces_per_indent);
Dqn_String Dqn_JsonWriter_Build(Dqn_JsonWriter *writer, Dqn_ArenaAllocator *arena);
DQN_API void Dqn_JsonWriter_BeginNamedObject(Dqn_JsonWriter *writer, Dqn_String name);
DQN_API void Dqn_JsonWriter_BeginObject(Dqn_JsonWriter *writer);
DQN_API void Dqn_JsonWriter_EndObject(Dqn_JsonWriter *writer);
DQN_API void Dqn_JsonWriter_BeginNamedArray(Dqn_JsonWriter *writer, Dqn_String name);
DQN_API void Dqn_JsonWriter_BeginArray(Dqn_JsonWriter *writer, Dqn_String name);
DQN_API void Dqn_JsonWriter_EndArray(Dqn_JsonWriter *writer);
DQN_API void Dqn_JsonWriter_NamedString(Dqn_JsonWriter *writer, Dqn_String key, Dqn_String value);
DQN_API void Dqn_JsonWriter_String(Dqn_JsonWriter *writer, Dqn_String value);
DQN_API void Dqn_JsonWriter_NamedU64(Dqn_JsonWriter *writer, Dqn_String key, Dqn_u64 value);
DQN_API void Dqn_JsonWriter_U64(Dqn_JsonWriter *writer, Dqn_u64 value);
// decimal_places: When < 0 show the maximum amount of decimal places
// When >=0 show the specified amount of decimal places
DQN_API void Dqn_JsonWriter_NamedF64(Dqn_JsonWriter *writer, Dqn_String key, Dqn_f64 value, int decimal_places = -1);
DQN_API void Dqn_JsonWriter_F64(Dqn_JsonWriter *writer, Dqn_f64 value, int decimal_places = -1);
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_Win
@ -1727,136 +1926,6 @@ struct Dqn_TimedBlock
DQN_LOG_P("%s -> %s (total): %fms", t1.label, t2.label, Dqn_PerfCounter_Ms(t1.tick, t2.tick)); \
}
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_StringBuilder
// -------------------------------------------------------------------------------------------------
struct Dqn_StringBuilderBlock
{
char *mem;
Dqn_isize size;
Dqn_isize used;
Dqn_StringBuilderBlock *next;
};
// TODO(dqn): Rewrite this as string lists
Dqn_isize constexpr DQN_STRING_BUILDER_MIN_BLOCK_SIZE = DQN_KILOBYTES(4);
template <Dqn_isize N = DQN_KILOBYTES(16)>
struct Dqn_StringBuilder
{
Dqn_ArenaAllocator *arena;
char fixed_mem[N];
Dqn_StringBuilderBlock fixed_mem_block;
Dqn_StringBuilderBlock *last_mem_block;
};
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_InitWithArena (Dqn_StringBuilder<N> *builder, Dqn_ArenaAllocator *arena);
// Get the size required to build the string, it returns the length not including the null-terminator.
template <Dqn_isize N> DQN_API Dqn_isize Dqn_StringBuilder_GetSize (Dqn_StringBuilder<N> const *builder);
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_BuildToDest (Dqn_StringBuilder<N> const *builder, char *dest, Dqn_usize dest_size);
template <Dqn_isize N> DQN_API Dqn_String Dqn_StringBuilder_BuildStringWithArena (Dqn_StringBuilder<N> *builder, Dqn_ArenaAllocator *arena);
#define Dqn_StringBuilder_Build( builder, arena, len) Dqn_StringBuilder__Build(builder, arena, len DQN_CALL_SITE(""))
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_AppendFmtV (Dqn_StringBuilder<N> *builder, char const *fmt, va_list va);
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_AppendFmt (Dqn_StringBuilder<N> *builder, char const *fmt, ...);
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_Append (Dqn_StringBuilder<N> *builder, char const *str, Dqn_isize len = -1);
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_AppendString (Dqn_StringBuilder<N> *builder, Dqn_String const string);
template <Dqn_isize N> DQN_API void Dqn_StringBuilder_AppendChar (Dqn_StringBuilder<N> *builder, char ch);
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_FixedArray
// -------------------------------------------------------------------------------------------------
#define DQN_FIXED_ARRAY_TEMPLATE template <typename T, int MAX_>
#define DQN_FIXED_ARRAY_TEMPLATE_DECL Dqn_FixedArray<T, MAX_>
DQN_FIXED_ARRAY_TEMPLATE struct Dqn_FixedArray
{
T data[MAX_];
Dqn_isize size;
T &operator[] (Dqn_isize i) { DQN_ASSERT_MSG(i >= 0 && i <= size, "%jd >= 0 && %jd < %jd", i, size); return data[i]; }
T *begin () { return data; }
T *end () { return data + size; }
T *operator+ (Dqn_isize i) { DQN_ASSERT_MSG(i >= 0 && i <= size, "%jd >= 0 && %jd < %jd", i, size); return data + i; }
T const &operator[] (Dqn_isize i) const { DQN_ASSERT_MSG(i >= 0 && i <= size, "%jd >= 0 && %jd < %jd", i, i, size); return data[i]; }
T const *begin () const { return data; }
T const *end () const { return data + size; }
T const *operator+ (Dqn_isize i) const { DQN_ASSERT_MSG(i >= 0 && i <= size, "%jd >= 0 && %jd < %jd", i, size); return data + i; }
};
DQN_FIXED_ARRAY_TEMPLATE DQN_API DQN_FIXED_ARRAY_TEMPLATE_DECL Dqn_FixedArray_Init (T const *item, int num);
DQN_FIXED_ARRAY_TEMPLATE DQN_API Dqn_isize Dqn_FixedArray_Max (DQN_FIXED_ARRAY_TEMPLATE_DECL const *);
// Calculate the index of a item from the its pointer
DQN_FIXED_ARRAY_TEMPLATE DQN_API Dqn_isize Dqn_FixedArray_GetIndex (DQN_FIXED_ARRAY_TEMPLATE_DECL const *a, T const *entry);
// return: The newly added item, nullptr if failed
DQN_FIXED_ARRAY_TEMPLATE DQN_API T *Dqn_FixedArray_Add (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, T const *items, Dqn_isize num);
DQN_FIXED_ARRAY_TEMPLATE DQN_API T *Dqn_FixedArray_Add (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, T const &item);
// Bump the size of the array and return a pointer to 'num' uninitialised elements
DQN_FIXED_ARRAY_TEMPLATE DQN_API T *Dqn_FixedArray_Make (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_isize num);
DQN_FIXED_ARRAY_TEMPLATE DQN_API void Dqn_FixedArray_Clear (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_ZeroMem zero_mem = Dqn_ZeroMem::No);
DQN_FIXED_ARRAY_TEMPLATE DQN_API void Dqn_FixedArray_EraseStable (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_isize index);
DQN_FIXED_ARRAY_TEMPLATE DQN_API void Dqn_FixedArray_EraseUnstable(DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_isize index);
DQN_FIXED_ARRAY_TEMPLATE DQN_API void Dqn_FixedArray_Pop (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, Dqn_isize num = 1, Dqn_ZeroMem zero_mem = Dqn_ZeroMem::No);
DQN_FIXED_ARRAY_TEMPLATE DQN_API T *Dqn_FixedArray_Peek (DQN_FIXED_ARRAY_TEMPLATE_DECL *a);
DQN_FIXED_ARRAY_TEMPLATE DQN_API T Dqn_FixedArray_PeekCopy (DQN_FIXED_ARRAY_TEMPLATE_DECL const *a);
template <typename T, int MAX_, typename IsEqual> DQN_API T *Dqn_FixedArray_Find (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, IsEqual IsEqualProc);
template <typename T, int MAX_, typename IsEqual> DQN_API Dqn_b32 Dqn_FixedArray_FindElseMake (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, T **entry, IsEqual IsEqualProc);
DQN_FIXED_ARRAY_TEMPLATE DQN_API T *Dqn_FixedArray_Find (DQN_FIXED_ARRAY_TEMPLATE_DECL *a, T *find);
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_List - Chunked Linked Lists
// -------------------------------------------------------------------------------------------------
template <typename T>
struct Dqn_ListChunk
{
T *data;
Dqn_isize size;
Dqn_isize count;
Dqn_ListChunk<T> *next;
};
template <typename T>
struct Dqn_ListIterator
{
Dqn_b32 init; // (Internal): True if Dqn_List_Iterate has been called at-least once on this iterator
Dqn_ListChunk<T> *chunk; // (Internal): The chunk that the iterator is reading from
Dqn_isize chunk_data_index; // (Internal): The index in the chunk the iterator is referencing
T *data; // (Read): Pointer to the data the iterator is referencing. Nullptr if invalid.
};
template <typename T>
struct Dqn_List
{
Dqn_ArenaAllocator *arena;
Dqn_isize count; // Cumulative count of all items made across all list chunks
Dqn_isize chunk_size; // When new ListChunk's are required, the minimum 'data' entries to allocate for that node.
Dqn_ListChunk<T> *head;
Dqn_ListChunk<T> *tail;
};
template <typename T> DQN_API Dqn_List<T> Dqn_List_InitWithArena(Dqn_ArenaAllocator *arena, Dqn_isize chunk_size = 128);
// Produce an iterator for the data in the list
/*
Dqn_List<int> list = {};
for (Dqn_ListIterator<int> it = {}; Dqn_List_Iterate(&list, &it);)
{
int *item = it.data;
}
*/
template <typename T> DQN_API Dqn_b32 Dqn_List_Iterate (Dqn_List<T> *list, Dqn_ListIterator<T> *iterator);
#define Dqn_List_TaggedMake( list, count, tag) Dqn_List__Make(list, count DQN_CALL_SITE(tag))
#define Dqn_List_Make( list, count) Dqn_List__Make(list, count DQN_CALL_SITE(""))
template <typename T> DQN_API T *Dqn_List__Make( Dqn_List<T> *list, Dqn_isize count DQN_CALL_SITE_ARGS);
// -------------------------------------------------------------------------------------------------
// NOTE: Hashing - Dqn_FNV1A[32|64]
// -------------------------------------------------------------------------------------------------
@ -3583,6 +3652,65 @@ DQN_API Dqn_i64 Dqn_String_ToI64(Dqn_String str)
return result;
}
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_StringList Implementation
// -------------------------------------------------------------------------------------------------
DQN_API Dqn_StringListNode *Dqn_StringList_MakeNode(Dqn_ArenaAllocator *arena, Dqn_isize size)
{
Dqn_StringListNode *result = Dqn_ArenaAllocator_New(arena, Dqn_StringListNode, Dqn_ZeroMem::Yes);
if (size) result->string = Dqn_String_Allocate(arena, size, Dqn_ZeroMem::Yes);
return result;
}
DQN_API void Dqn_StringList_AddNode(Dqn_StringList *list, Dqn_StringListNode *node)
{
if (list->curr)
{
list->curr->next = node;
list->curr = list->curr->next;
}
else
{
list->head = node;
list->curr = node;
}
list->string_size += node->string.size;
}
DQN_API void Dqn_StringList_AppendFmtV(Dqn_StringList *list, Dqn_ArenaAllocator *arena, char const *fmt, va_list args)
{
Dqn_StringListNode *node = Dqn_StringList_MakeNode(arena, 0 /*size*/);
node->string = Dqn_String_FmtV(arena, fmt, args);
Dqn_StringList_AddNode(list, node);
}
DQN_API void Dqn_StringList_AppendFmt(Dqn_StringList *list, Dqn_ArenaAllocator *arena, char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
Dqn_StringList_AppendFmtV(list, arena, fmt, args);
va_end(args);
}
DQN_API void Dqn_StringList_AppendString(Dqn_StringList *list, Dqn_ArenaAllocator *arena, Dqn_String string)
{
Dqn_StringListNode *node = Dqn_StringList_MakeNode(arena, 0 /*size*/);
node->string = Dqn_String_Copy(string, arena);
Dqn_StringList_AddNode(list, node);
}
DQN_API Dqn_String Dqn_StringList_Build(Dqn_StringList const *list, Dqn_ArenaAllocator *arena)
{
Dqn_String result = Dqn_String_Allocate(arena, list->string_size, Dqn_ZeroMem::No);
for (Dqn_StringListNode const *node = list->head; node; node = node->next)
{
DQN_MEMCOPY(result.str + result.size, node->string.str, node->string.size);
result.size += node->string.size;
}
return result;
}
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_ArenaAllocator
// -------------------------------------------------------------------------------------------------
@ -5265,6 +5393,180 @@ DQN_API char *Dqn_U64ToTempStr(Dqn_u64 val, Dqn_b32 comma_sep)
return result;
}
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_JsonWriter
// -------------------------------------------------------------------------------------------------
DQN_API Dqn_JsonWriter Dqn_JsonWriter_Init(Dqn_ArenaAllocator *arena, int spaces_per_indent)
{
Dqn_JsonWriter result = {};
result.arena = arena;
result.spaces_per_indent = spaces_per_indent;
return result;
}
DQN_API Dqn_String Dqn_JsonWriter_Build(Dqn_JsonWriter *writer, Dqn_ArenaAllocator *arena)
{
Dqn_String result = Dqn_StringList_Build(&writer->list, arena);
return result;
}
DQN_API void Dqn_JsonWriter__DoIndent(Dqn_JsonWriter *writer)
{
int spaces_per_indent = writer->spaces_per_indent ? writer->spaces_per_indent : 2;
int spaces = writer->indent_level * spaces_per_indent;
if (spaces)
Dqn_StringList_AppendFmt(&writer->list, writer->arena, "%*s", spaces, "");
}
DQN_API void Dqn_JsonWriter__PreAddItem(Dqn_JsonWriter *writer)
{
if (writer->parent_field_count_stack.size <= 0)
return;
Dqn_u16 *parent_field_count = Dqn_FixedArray_Peek(&writer->parent_field_count_stack);
if (*parent_field_count == 0)
{
// NOTE: First time we're adding an item to an object, we need to write
// on a new line for nice formatting.
Dqn_StringList_AppendString(&writer->list, writer->arena, DQN_STRING("\n"));
}
else if (*parent_field_count > 0)
{
// NOTE: We have items in the object already and we're adding another
// item so we need to add a comma on the previous item.
Dqn_StringList_AppendString(&writer->list, writer->arena, DQN_STRING(",\n"));
}
Dqn_JsonWriter__DoIndent(writer);
}
DQN_API void Dqn_JsonWriter__PostAddItem(Dqn_JsonWriter *writer)
{
if (writer->parent_field_count_stack.size <= 0)
return;
Dqn_u16 *parent_field_count = Dqn_FixedArray_Peek(&writer->parent_field_count_stack);
(*parent_field_count)++;
}
DQN_API void Dqn_JsonWriter__BeginContainer(Dqn_JsonWriter *writer, Dqn_String name, bool array)
{
Dqn_String container_ch = array ? DQN_STRING("[") : DQN_STRING("{");
Dqn_JsonWriter__PreAddItem(writer);
if (name.size)
Dqn_StringList_AppendFmt(&writer->list, writer->arena, "\"%.*s\": %.*s", DQN_STRING_FMT(name), DQN_STRING_FMT(container_ch));
else
Dqn_StringList_AppendString(&writer->list, writer->arena, container_ch);
Dqn_JsonWriter__PostAddItem(writer);
writer->indent_level++;
Dqn_u16 *parent_field_count = Dqn_FixedArray_Make(&writer->parent_field_count_stack, 1);
*parent_field_count = 0;
}
DQN_API void Dqn_JsonWriter__EndContainer(Dqn_JsonWriter *writer, Dqn_b32 array)
{
Dqn_u16 *parent_field_count = Dqn_FixedArray_Peek(&writer->parent_field_count_stack);
if (*parent_field_count > 0)
{
// NOTE: End of object/array should start on a new line if the
// array/object has atleast one field in it.
Dqn_StringList_AppendFmt(&writer->list, writer->arena, "\n");
}
Dqn_FixedArray_Pop(&writer->parent_field_count_stack);
writer->indent_level--;
DQN_ASSERT(writer->indent_level >= 0);
Dqn_JsonWriter__DoIndent(writer);
Dqn_StringList_AppendString(&writer->list, writer->arena, array ? DQN_STRING("]") : DQN_STRING("}"));
}
DQN_API void Dqn_JsonWriter_BeginNamedObject(Dqn_JsonWriter *writer, Dqn_String name)
{
Dqn_JsonWriter__BeginContainer(writer, name, false /*array*/);
}
DQN_API void Dqn_JsonWriter_BeginObject(Dqn_JsonWriter *writer)
{
Dqn_JsonWriter__BeginContainer(writer, DQN_STRING(""), false /*array*/);
}
DQN_API void Dqn_JsonWriter_EndObject(Dqn_JsonWriter *writer)
{
Dqn_JsonWriter__EndContainer(writer, false /*array*/);
}
DQN_API void Dqn_JsonWriter_BeginNamedArray(Dqn_JsonWriter *writer, Dqn_String name)
{
Dqn_JsonWriter__BeginContainer(writer, name, true /*array*/);
}
DQN_API void Dqn_JsonWriter_BeginArray(Dqn_JsonWriter *writer)
{
Dqn_JsonWriter__BeginContainer(writer, DQN_STRING(""), false /*array*/);
}
DQN_API void Dqn_JsonWriter_EndArray(Dqn_JsonWriter *writer)
{
Dqn_JsonWriter__EndContainer(writer, true /*array*/);
}
DQN_API void Dqn_JsonWriter_NamedString(Dqn_JsonWriter *writer, Dqn_String key, Dqn_String value)
{
Dqn_JsonWriter__PreAddItem(writer);
if (key.size)
Dqn_StringList_AppendFmt(&writer->list, writer->arena, "\"%.*s\": \"%.*s\"", DQN_STRING_FMT(key), DQN_STRING_FMT(value));
else
Dqn_StringList_AppendFmt(&writer->list, writer->arena, "\"%.*s\"", DQN_STRING_FMT(value));
Dqn_JsonWriter__PostAddItem(writer);
}
DQN_API void Dqn_JsonWriter_String(Dqn_JsonWriter *writer, Dqn_String value)
{
Dqn_JsonWriter_NamedString(writer, DQN_STRING("") /*key*/, value);
}
DQN_API void Dqn_JsonWriter_NamedU64(Dqn_JsonWriter *writer, Dqn_String key, Dqn_u64 value)
{
Dqn_JsonWriter__PreAddItem(writer);
if (key.size)
Dqn_StringList_AppendFmt(&writer->list, writer->arena, "\"%.*s\": %I64u", DQN_STRING_FMT(key), value);
else
Dqn_StringList_AppendFmt(&writer->list, writer->arena, "%I64u", value);
Dqn_JsonWriter__PostAddItem(writer);
}
DQN_API void Dqn_JsonWriter_U64(Dqn_JsonWriter *writer, Dqn_u64 value)
{
Dqn_JsonWriter_NamedU64(writer, DQN_STRING("") /*key*/, value);
}
DQN_API void Dqn_JsonWriter_NamedF64(Dqn_JsonWriter *writer, Dqn_String key, Dqn_f64 value, int decimal_places)
{
Dqn_FixedString<8> const float_fmt =
decimal_places > 0
? Dqn_FixedString_Fmt<8>("%%.%df", decimal_places) // %.<decimal_places>f i.e. %.1f
: Dqn_FixedString_Fmt<8>("%%f"); // %f
Dqn_FixedString<32> const fmt_string =
key.size ? Dqn_FixedString_Fmt<32>(R"("%%.*s": %s)", float_fmt) :
Dqn_FixedString_Fmt<32>(R"(%s)", float_fmt);
Dqn_JsonWriter__PreAddItem(writer);
if (key.size)
Dqn_StringList_AppendFmt(&writer->list, writer->arena, fmt_string.str, DQN_STRING_FMT(key), value);
else
Dqn_StringList_AppendFmt(&writer->list, writer->arena, fmt_string.str, value);
Dqn_JsonWriter__PostAddItem(writer);
}
DQN_API void Dqn_JsonWriter_F64(Dqn_JsonWriter *writer, Dqn_f64 value, int decimal_places)
{
Dqn_JsonWriter_NamedF64(writer, DQN_STRING("") /*key*/, value, decimal_places);
}
// -------------------------------------------------------------------------------------------------
// NOTE: Dqn_Win Implementation
// -------------------------------------------------------------------------------------------------