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iterate over object keys in WindowsJson.h
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@mmozeiko
mmozeiko committed Sep 29, 2024
1 parent 43a748d commit fb6be9e
Showing 1 changed file with 86 additions and 10 deletions.
96 changes: 86 additions & 10 deletions WindowsJson.h
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,16 @@
#include <windows.h>
#include <windows.data.json.h>

#include <stdint.h>
#include <stdbool.h>

// interface

typedef __x_ABI_CWindows_CData_CJson_CIJsonObject JsonObject;
typedef __x_ABI_CWindows_CData_CJson_CIJsonArray JsonArray;

typedef __FIIterator_1___FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue JsonIterator;

#define JsonCSTR(Name) (HSTRING)&(JsonHSTRING){ 1, sizeof(Name) - 1, 0, 0, L ## Name }
#define JsonRelease(Obj) do { if (Obj) IUnknown_Release((IUnknown*)Obj); } while (0)

Expand All @@ -22,14 +27,19 @@ static JsonObject* JsonObject_GetObject (JsonObject* Object, HSTRING Name);
static JsonArray* JsonObject_GetArray (JsonObject* Object, HSTRING Name);
static HSTRING JsonObject_GetString (JsonObject* Object, HSTRING Name);
static double JsonObject_GetNumber (JsonObject* Object, HSTRING Name);
static boolean JsonObject_GetBoolean(JsonObject* Object, HSTRING Name);
static bool JsonObject_GetBoolean(JsonObject* Object, HSTRING Name);

static JsonIterator* JsonObject_GetIterator(JsonObject* Object);
static HSTRING JsonIterator_GetKey (JsonIterator* Iterator);
static JsonObject* JsonIterator_GetValue(JsonIterator* Iterator);
static bool JsonIterator_Next (JsonIterator* Iterator);

static UINT32 JsonArray_GetCount (JsonArray* Array);
static uint32_t JsonArray_GetCount (JsonArray* Array);
static JsonObject* JsonArray_GetObject (JsonArray* Array, UINT32 Index);
static JsonArray* JsonArray_GetArray (JsonArray* Array, UINT32 Index);
static HSTRING JsonArray_GetString (JsonArray* Array, UINT32 Index);
static double JsonArray_GetNumber (JsonArray* Array, UINT32 Index);
static boolean JsonArray_GetBoolean(JsonArray* Array, UINT32 Index);
static bool JsonArray_GetBoolean(JsonArray* Array, UINT32 Index);

// implementation

Expand All @@ -51,6 +61,7 @@ typedef struct {

DEFINE_GUID(IID_IJsonObject, 0x2289f159, 0x54de, 0x45d8, 0xab, 0xcc, 0x22, 0x60, 0x3f, 0xa0, 0x66, 0xa0);
DEFINE_GUID(IID_IVector_IJsonValue, 0xd44662bc, 0xdce3, 0x59a8, 0x92, 0x72, 0x4b, 0x21, 0x0f, 0x33, 0x90, 0x8b);
DEFINE_GUID(IID_IMap_IJsonValue, 0xdfabb6e1, 0x0411, 0x5a8f, 0xaa, 0x87, 0x35, 0x4e, 0x71, 0x10, 0xf0, 0x99);

JsonObject* JsonObject_Parse(LPCSTR String, int Length)
{
Expand All @@ -77,7 +88,7 @@ JsonObject* JsonObject_ParseW(LPCWSTR String, int Length)
JsonObject* JsonObject_ParseStr(HSTRING String)
{
__x_ABI_CWindows_CData_CJson_CIJsonObjectStatics* ObjectStatics;
HR(RoGetActivationFactory(JsonCSTR("Windows.Data.Json.JsonObject"), &IID_IJsonObject, &ObjectStatics));
HR(RoGetActivationFactory(JsonCSTR("Windows.Data.Json.JsonObject"), &IID_IJsonObject, (void**)&ObjectStatics));

JsonObject* Object;
HRESULT hr;
Expand Down Expand Up @@ -130,17 +141,82 @@ double JsonObject_GetNumber(JsonObject* Object, HSTRING Name)
return Result;
}

boolean JsonObject_GetBoolean(JsonObject* Object, HSTRING Name)
bool JsonObject_GetBoolean(JsonObject* Object, HSTRING Name)
{
boolean Result;
if (!Object || FAILED(__x_ABI_CWindows_CData_CJson_CIJsonObject_GetNamedBoolean(Object, Name, &Result)))
{
Result = 0;
}
return !!Result;
}

JsonIterator* JsonObject_GetIterator(JsonObject* Object)
{
__FIIterator_1___FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue* Iterator = NULL;

__FIIterable_1___FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue* Iterable;
if (SUCCEEDED(__x_ABI_CWindows_CData_CJson_CIJsonObject_QueryInterface(Object, &IID_IMap_IJsonValue, (void**)&Iterable)))
{
HR(__FIIterable_1___FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue_First(Iterable, &Iterator));

boolean HasCurrent;
HR(__FIIterator_1___FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue_get_HasCurrent(Iterator, &HasCurrent));
if (!HasCurrent)
{
__FIIterator_1___FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue_Release(Iterator);
Iterator = NULL;
}

__FIIterable_1___FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue_Release(Iterable);
}

return Iterator;
}

HSTRING JsonIterator_GetKey(JsonIterator* Iterator)
{
HSTRING Result = NULL;

__FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue* Current;
if (SUCCEEDED(__FIIterator_1___FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue_get_Current(Iterator, &Current)))
{
HR(__FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue_get_Key(Current, &Result));
__FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue_Release(Current);
}

return Result;
}

UINT32 JsonArray_GetCount(JsonArray* Array)
JsonObject* JsonIterator_GetValue(JsonIterator* Iterator)
{
JsonObject* Result = NULL;

__FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue* Current;
if (SUCCEEDED(__FIIterator_1___FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue_get_Current(Iterator, &Current)))
{
__x_ABI_CWindows_CData_CJson_CIJsonValue* Value;
HR(__FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue_get_Value(Current, &Value));
__FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue_Release(Current);

HR(__x_ABI_CWindows_CData_CJson_CIJsonValue_GetObject(Value, &Result));
__x_ABI_CWindows_CData_CJson_CIJsonValue_Release(Value);
}

return Result;
}

bool JsonIterator_Next(JsonIterator* Iterator)
{
boolean Result;
if (FAILED(__FIIterator_1___FIKeyValuePair_2_HSTRING_Windows__CData__CJson__CIJsonValue_MoveNext(Iterator, &Result)))
{
Result = 0;
}
return !!Result;
}

uint32_t JsonArray_GetCount(JsonArray* Array)
{
if (!Array)
{
Expand All @@ -150,7 +226,7 @@ UINT32 JsonArray_GetCount(JsonArray* Array)
UINT32 Count;

__FIVector_1_Windows__CData__CJson__CIJsonValue* Vector;
HR(__x_ABI_CWindows_CData_CJson_CIJsonArray_QueryInterface(Array, &IID_IVector_IJsonValue, &Vector));
HR(__x_ABI_CWindows_CData_CJson_CIJsonArray_QueryInterface(Array, &IID_IVector_IJsonValue, (void**)&Vector));
if (FAILED(__FIVector_1_Windows__CData__CJson__CIJsonValue_get_Size(Vector, &Count)))
{
Count = 0;
Expand Down Expand Up @@ -200,12 +276,12 @@ double JsonArray_GetNumber(JsonArray* Array, UINT32 Index)
return Result;
}

boolean JsonArray_GetBoolean(JsonArray* Array, UINT32 Index)
bool JsonArray_GetBoolean(JsonArray* Array, UINT32 Index)
{
boolean Result;
if (!Array || FAILED(__x_ABI_CWindows_CData_CJson_CIJsonArray_GetBooleanAt(Array, Index, &Result)))
{
Result = FALSE;
Result = 0;
}
return Result;
return !!Result;
}

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