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Add some helper functions

This commit is contained in:
doyle 2020-04-01 01:08:59 +11:00
parent ea8e29dc9f
commit f743c230e7
3 changed files with 47 additions and 9 deletions
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34
Code/Dqn.h
View File

@ -985,6 +985,16 @@ struct Dqn_Slice
T *operator+ (Dqn_isize i) { DQN_ASSERT_MSG(i >= 0 && i < len, "%d >= 0 && %d < %d", i, len); return data + i; }
};
template <typename T, isize N>
DQN_HEADER_COPY_PROTOTYPE(inline Dqn_Slice<T>, Dqn_Slice_InitWithArray(T (&array)[N]))
{
Dqn_Slice<T> result = {};
result.len = N;
result.data = array;
return result;
}
DQN_HEADER_COPY_PROTOTYPE(template <typename T> inline Dqn_Slice<T>, Dqn_Slice_Allocate(Dqn_Allocator *allocator, Dqn_isize len))
{
Dqn_Slice<T> result = {};
@ -1203,7 +1213,7 @@ template <typename T> struct Dqn_Array
};
DQN_HEADER_COPY_END
DQN_HEADER_COPY_PROTOTYPE(template <typename T> Dqn_Array<T>, Dqn_Array_InitMemory(T *memory, Dqn_isize max, Dqn_isize len = 0))
DQN_HEADER_COPY_PROTOTYPE(template <typename T> Dqn_Array<T>, Dqn_Array_InitWithMemory(T *memory, Dqn_isize max, Dqn_isize len = 0))
{
Dqn_Array<T> result = {};
result.allocator = Dqn_Allocator_Null();
@ -1213,6 +1223,14 @@ DQN_HEADER_COPY_PROTOTYPE(template <typename T> Dqn_Array<T>, Dqn_Array_InitMemo
return result;
}
DQN_HEADER_COPY_PROTOTYPE(template <typename T> Dqn_Array<T>, Dqn_Array_InitWithAllocatorNoGrow(Dqn_Allocator *allocator, Dqn_isize max, Dqn_isize len = 0))
{
T *memory = DQN_CAST(T *)Dqn_Allocator_Allocate(allocator, sizeof(T) * max, alignof(T));
Dqn_Array<T> result = Dqn_Array_InitWithMemory(memory, max, len);
return result;
}
DQN_HEADER_COPY_PROTOTYPE(template <typename T> bool, Dqn_Array_Reserve(Dqn_Array<T> *a, Dqn_isize size))
{
if (size <= a->len) return true;
@ -2560,6 +2578,20 @@ DQN_HEADER_COPY_PROTOTYPE(Dqn_String, Dqn_String_Copy(Dqn_Allocator *allocator,
return result;
}
DQN_HEADER_COPY_PROTOTYPE(Dqn_String, Dqn_String_TrimWhitespaceAround(Dqn_String src))
{
Dqn_String result = src;
if (src.len <= 0) return result;
char *start = src.str;
char *end = start + (src.len - 1);
while (Dqn_Char_IsWhitespace(start[0])) start++;
while (end != start && Dqn_Char_IsWhitespace(end[0])) end--;
result.str = start;
result.len = (end - start) + 1;
return result;
}
// @ -------------------------------------------------------------------------------------------------
// @

8
Code/DqnHeader_Generated.h
View File

@ -371,6 +371,8 @@ template <Dqn_usize N> void Dqn_StringBuilder_Free(Dqn_StringBuild
// NOTE: Dqn_Slices
//
// -------------------------------------------------------------------------------------------------
inline Dqn_Slice<T> Dqn_Slice_InitWithArray(T (&array)[N]);
template <typename T> inline Dqn_Slice<T> Dqn_Slice_Allocate(Dqn_Allocator *allocator, Dqn_isize len);
template <typename T> inline Dqn_Slice<T> Dqn_Slice_CopyNullTerminated(Dqn_Allocator *allocator, T const *src, Dqn_isize len);
template <typename T> inline Dqn_Slice<T> Dqn_Slice_CopyNullTerminated(Dqn_Allocator *allocator, Dqn_Slice<T> const src);
template <typename T> inline Dqn_Slice<T> Dqn_Slice_Copy(Dqn_Allocator *allocator, T const *src, Dqn_isize len);
@ -412,6 +414,7 @@ T * Dqn_FixedArray_Peek(DQN_FIXED_ARRAY_TE
Dqn_isize Dqn_FixedArray_GetIndex(DQN_FIXED_ARRAY_TEMPLATE_DECL *a, T const *entry);
T * Dqn_FixedArray_Find(DQN_FIXED_ARRAY_TEMPLATE_DECL *a, EqualityProc IsEqual);
T * Dqn_FixedArray_Find(DQN_FIXED_ARRAY_TEMPLATE_DECL *a, T *find);
Dqn_Slice<T> Dqn_FixedArray_Slice(DQN_FIXED_ARRAY_TEMPLATE_DECL *a);
// -------------------------------------------------------------------------------------------------
//
// NOTE: Dqn_Array
@ -434,7 +437,8 @@ template <typename T> struct Dqn_Array
T *operator+(Dqn_isize i) { DQN_ASSERT_MSG(i >= 0 && i < len, "%d >= 0 && %d < %d", i, len); return data + i; }
};
template <typename T> Dqn_Array<T> Dqn_Array_InitMemory(T *memory, Dqn_isize max, Dqn_isize len = 0);
template <typename T> Dqn_Array<T> Dqn_Array_InitWithMemory(T *memory, Dqn_isize max, Dqn_isize len = 0);
template <typename T> Dqn_Array<T> Dqn_Array_InitWithAllocatorNoGrow(Dqn_Allocator *allocator, Dqn_isize max, Dqn_isize len = 0);
template <typename T> bool Dqn_Array_Reserve(Dqn_Array<T> *a, Dqn_isize size);
template <typename T> void Dqn_Array_Free(Dqn_Array<T> *a);
template <typename T> T * Dqn_Array_Add(Dqn_Array<T> *a, T const *items, Dqn_isize num);
@ -582,6 +586,7 @@ Dqn_V2I Dqn_RectI32_Size(Dqn_RectI32 rect);
//
// -------------------------------------------------------------------------------------------------
Dqn_V2 Dqn_LerpV2(Dqn_V2 a, Dqn_f32 t, Dqn_V2 b);
f32 Dqn_LerpF32(f32 a, f32 t, f32 b);
// -------------------------------------------------------------------------------------------------
//
// NOTE: Dqn_Mat4
@ -661,6 +666,7 @@ Dqn_i64 Dqn_Str_ToI64(char const *buf, int len
Dqn_b32 Dqn_String_Compare(Dqn_String const lhs, Dqn_String const rhs);
Dqn_b32 Dqn_String_CompareCaseInsensitive(Dqn_String const lhs, Dqn_String const rhs);
Dqn_String Dqn_String_Copy(Dqn_Allocator *allocator, Dqn_String const src);
Dqn_String Dqn_String_TrimWhitespaceAround(Dqn_String src);
// -------------------------------------------------------------------------------------------------
//
// NOTE: File

14
Code/Dqn_UnitTests.cpp
View File

@ -228,12 +228,12 @@ FILE_SCOPE void UnitTests()
// ---------------------------------------------------------------------------------------------
{
TEST_DECLARE_GROUP_SCOPED(testing_state, "Dqn_Array");
// NOTE: Dqn_Array_InitMemory
// NOTE: Dqn_Array_InitWithMemory
{
{
TEST_START_SCOPE(testing_state, "Fixed Memory: Test add single item and can't allocate more");
int memory[4] = {};
Dqn_Array<int> array = Dqn_Array_InitMemory(memory, Dqn_ArrayCount(memory), 0 /*len*/);
Dqn_Array<int> array = Dqn_Array_InitWithMemory(memory, Dqn_ArrayCount(memory), 0 /*len*/);
Dqn_Array_Add(&array, 1);
Dqn_Array_Add(&array, 2);
Dqn_Array_Add(&array, 3);
@ -254,7 +254,7 @@ FILE_SCOPE void UnitTests()
TEST_START_SCOPE(testing_state, "Fixed Memory: Test add array of items");
int memory[4] = {};
int DATA[] = {1, 2, 3};
Dqn_Array<int> array = Dqn_Array_InitMemory(memory, Dqn_ArrayCount(memory), 0 /*len*/);
Dqn_Array<int> array = Dqn_Array_InitWithMemory(memory, Dqn_ArrayCount(memory), 0 /*len*/);
Dqn_Array_Add(&array, DATA, Dqn_ArrayCount(DATA));
TEST_EXPECT_MSG(testing_state, array.data[0] == 1, "array.data %d", array.data[0]);
TEST_EXPECT_MSG(testing_state, array.data[1] == 2, "array.data %d", array.data[1]);
@ -267,7 +267,7 @@ FILE_SCOPE void UnitTests()
TEST_START_SCOPE(testing_state, "Fixed Memory: Test clear and clear with memory zeroed");
int memory[4] = {};
int DATA[] = {1, 2, 3};
Dqn_Array<int> array = Dqn_Array_InitMemory(memory, Dqn_ArrayCount(memory), 0 /*len*/);
Dqn_Array<int> array = Dqn_Array_InitWithMemory(memory, Dqn_ArrayCount(memory), 0 /*len*/);
Dqn_Array_Add(&array, DATA, Dqn_ArrayCount(DATA));
Dqn_Array_Clear(&array, false /*zero_mem*/);
TEST_EXPECT_MSG(testing_state, array.len == 0, "array.len: %d", array.len);
@ -282,7 +282,7 @@ FILE_SCOPE void UnitTests()
TEST_START_SCOPE(testing_state, "Fixed Memory: Test erase stable and erase unstable");
int memory[4] = {};
int DATA[] = {1, 2, 3, 4};
Dqn_Array<int> array = Dqn_Array_InitMemory(memory, Dqn_ArrayCount(memory), 0 /*len*/);
Dqn_Array<int> array = Dqn_Array_InitWithMemory(memory, Dqn_ArrayCount(memory), 0 /*len*/);
Dqn_Array_Add(&array, DATA, Dqn_ArrayCount(DATA));
Dqn_Array_EraseUnstable(&array, 1);
TEST_EXPECT_MSG(testing_state, array.data[0] == 1, "array.data %d", array.data[0]);
@ -300,7 +300,7 @@ FILE_SCOPE void UnitTests()
TEST_START_SCOPE(testing_state, "Fixed Memory: Test array pop and peek");
int memory[4] = {};
int DATA[] = {1, 2, 3};
Dqn_Array<int> array = Dqn_Array_InitMemory(memory, Dqn_ArrayCount(memory), 0 /*len*/);
Dqn_Array<int> array = Dqn_Array_InitWithMemory(memory, Dqn_ArrayCount(memory), 0 /*len*/);
Dqn_Array_Add(&array, DATA, Dqn_ArrayCount(DATA));
Dqn_Array_Pop(&array, 2);
TEST_EXPECT_MSG(testing_state, array.data[0] == 1, "array.data: %d", array.data[0]);
@ -316,7 +316,7 @@ FILE_SCOPE void UnitTests()
{
TEST_START_SCOPE(testing_state, "Fixed Memory: Test free on fixed memory array does nothing");
int memory[4] = {};
Dqn_Array<int> array = Dqn_Array_InitMemory(memory, Dqn_ArrayCount(memory), 0 /*len*/);
Dqn_Array<int> array = Dqn_Array_InitWithMemory(memory, Dqn_ArrayCount(memory), 0 /*len*/);
DQN_DEFER { Dqn_Array_Free(&array); };
}
}