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-rw-r--r--NorthstarDLL/scripts/scriptjson.cpp249
1 files changed, 249 insertions, 0 deletions
diff --git a/NorthstarDLL/scripts/scriptjson.cpp b/NorthstarDLL/scripts/scriptjson.cpp
new file mode 100644
index 00000000..f41b0457
--- /dev/null
+++ b/NorthstarDLL/scripts/scriptjson.cpp
@@ -0,0 +1,249 @@
+#include "pch.h"
+#include "squirrel/squirrel.h"
+
+#include "rapidjson/error/en.h"
+#include "rapidjson/document.h"
+#include "rapidjson/writer.h"
+#include "rapidjson/stringbuffer.h"
+
+#ifdef _MSC_VER
+#undef GetObject // fuck microsoft developers
+#endif
+
+template <ScriptContext context> void
+DecodeJsonArray(HSquirrelVM* sqvm, rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>* arr)
+{
+ g_pSquirrel<context>->newarray(sqvm, 0);
+
+ for (auto& itr : arr->GetArray())
+ {
+ switch (itr.GetType())
+ {
+ case rapidjson::kObjectType:
+ DecodeJsonTable<context>(sqvm, &itr);
+ g_pSquirrel<context>->arrayappend(sqvm, -2);
+ break;
+ case rapidjson::kArrayType:
+ DecodeJsonArray<context>(sqvm, &itr);
+ g_pSquirrel<context>->arrayappend(sqvm, -2);
+ break;
+ case rapidjson::kStringType:
+ g_pSquirrel<context>->pushstring(sqvm, itr.GetString(), -1);
+ g_pSquirrel<context>->arrayappend(sqvm, -2);
+ break;
+ case rapidjson::kTrueType:
+ case rapidjson::kFalseType:
+ g_pSquirrel<context>->pushbool(sqvm, itr.GetBool());
+ g_pSquirrel<context>->arrayappend(sqvm, -2);
+ break;
+ case rapidjson::kNumberType:
+ if (itr.IsDouble() || itr.IsFloat())
+ g_pSquirrel<context>->pushfloat(sqvm, itr.GetFloat());
+ else
+ g_pSquirrel<context>->pushinteger(sqvm, itr.GetInt());
+ g_pSquirrel<context>->arrayappend(sqvm, -2);
+ break;
+ }
+ }
+}
+
+template <ScriptContext context> void
+DecodeJsonTable(HSquirrelVM* sqvm, rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>* obj)
+{
+ g_pSquirrel<context>->newtable(sqvm);
+
+ for (auto itr = obj->MemberBegin(); itr != obj->MemberEnd(); itr++)
+ {
+ switch (itr->value.GetType())
+ {
+ case rapidjson::kObjectType:
+ g_pSquirrel<context>->pushstring(sqvm, itr->name.GetString(), -1);
+ DecodeJsonTable<context>(
+ sqvm, (rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>*)&itr->value);
+ g_pSquirrel<context>->newslot(sqvm, -3, false);
+ break;
+ case rapidjson::kArrayType:
+ g_pSquirrel<context>->pushstring(sqvm, itr->name.GetString(), -1);
+ DecodeJsonArray<context>(
+ sqvm, (rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>*)&itr->value);
+ g_pSquirrel<context>->newslot(sqvm, -3, false);
+ break;
+ case rapidjson::kStringType:
+ g_pSquirrel<context>->pushstring(sqvm, itr->name.GetString(), -1);
+ g_pSquirrel<context>->pushstring(sqvm, itr->value.GetString(), -1);
+
+ g_pSquirrel<context>->newslot(sqvm, -3, false);
+ break;
+ case rapidjson::kTrueType:
+ case rapidjson::kFalseType:
+ g_pSquirrel<context>->pushstring(sqvm, itr->name.GetString(), -1);
+ g_pSquirrel<context>->pushbool(sqvm, itr->value.GetBool());
+ g_pSquirrel<context>->newslot(sqvm, -3, false);
+ break;
+ case rapidjson::kNumberType:
+ if (itr->value.IsDouble() || itr->value.IsFloat())
+ {
+ g_pSquirrel<context>->pushstring(sqvm, itr->name.GetString(), -1);
+ g_pSquirrel<context>->pushfloat(sqvm, itr->value.GetFloat());
+ }
+ else
+ {
+ g_pSquirrel<context>->pushstring(sqvm, itr->name.GetString(), -1);
+ g_pSquirrel<context>->pushinteger(sqvm, itr->value.GetInt());
+ }
+ g_pSquirrel<context>->newslot(sqvm, -3, false);
+ break;
+ }
+ }
+}
+
+template <ScriptContext context> void EncodeJSONTable(
+ SQTable* table,
+ rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>* obj,
+ rapidjson::MemoryPoolAllocator<SourceAllocator>& allocator)
+{
+ for (int i = 0; i < table->_numOfNodes; i++)
+ {
+ tableNode* node = &table->_nodes[i];
+ if (node->key._Type == OT_STRING)
+ {
+ rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>> newObj(rapidjson::kObjectType);
+ rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>> newArray(rapidjson::kArrayType);
+
+ switch (node->val._Type)
+ {
+ case OT_STRING:
+ obj->AddMember(
+ rapidjson::StringRef(node->key._VAL.asString->_val), rapidjson::StringRef(node->val._VAL.asString->_val), allocator);
+ break;
+ case OT_INTEGER:
+ obj->AddMember(rapidjson::StringRef(node->key._VAL.asString->_val), node->val._VAL.asInteger, allocator);
+ break;
+ case OT_FLOAT:
+ obj->AddMember(rapidjson::StringRef(node->key._VAL.asString->_val), node->val._VAL.asFloat, allocator);
+ break;
+ case OT_BOOL:
+ if (node->val._VAL.asInteger)
+ {
+ obj->AddMember(rapidjson::StringRef(node->key._VAL.asString->_val), true, allocator);
+ }
+ else
+ {
+ obj->AddMember(rapidjson::StringRef(node->key._VAL.asString->_val), false, allocator);
+ }
+ break;
+ case OT_TABLE:
+ EncodeJSONTable<context>(node->val._VAL.asTable, &newObj, allocator);
+ obj->AddMember(rapidjson::StringRef(node->key._VAL.asString->_val), newObj, allocator);
+ break;
+ case OT_ARRAY:
+ EncodeJSONArray<context>(node->val._VAL.asArray, &newArray, allocator);
+ obj->AddMember(rapidjson::StringRef(node->key._VAL.asString->_val), newArray, allocator);
+ break;
+ default:
+ spdlog::warn("SQ_EncodeJSON: squirrel type {} not supported", SQTypeNameFromID(node->val._Type));
+ break;
+ }
+ }
+ }
+}
+
+template <ScriptContext context> void EncodeJSONArray(
+ SQArray* arr,
+ rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>* obj,
+ rapidjson::MemoryPoolAllocator<SourceAllocator>& allocator)
+{
+ for (int i = 0; i < arr->_usedSlots; i++)
+ {
+ SQObject* node = &arr->_values[i];
+
+ rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>> newObj(rapidjson::kObjectType);
+ rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>> newArray(rapidjson::kArrayType);
+
+ switch (node->_Type)
+ {
+ case OT_STRING:
+ obj->PushBack(rapidjson::StringRef(node->_VAL.asString->_val), allocator);
+ break;
+ case OT_INTEGER:
+ obj->PushBack(node->_VAL.asInteger, allocator);
+ break;
+ case OT_FLOAT:
+ obj->PushBack(node->_VAL.asFloat, allocator);
+ break;
+ case OT_BOOL:
+ if (node->_VAL.asInteger)
+ obj->PushBack(rapidjson::StringRef("true"), allocator);
+ else
+ obj->PushBack(rapidjson::StringRef("false"), allocator);
+ break;
+ case OT_TABLE:
+ EncodeJSONTable<context>(node->_VAL.asTable, &newObj, allocator);
+ obj->PushBack(newObj, allocator);
+ break;
+ case OT_ARRAY:
+ EncodeJSONArray<context>(node->_VAL.asArray, &newArray, allocator);
+ obj->PushBack(newArray, allocator);
+ break;
+ default:
+ spdlog::info("SQ encode Json type {} not supported", SQTypeNameFromID(node->_Type));
+ }
+ }
+}
+
+ADD_SQFUNC(
+ "table",
+ DecodeJSON,
+ "string json, bool fatalParseErrors = false",
+ "converts a json string to a squirrel table",
+ ScriptContext::UI | ScriptContext::CLIENT | ScriptContext::SERVER)
+{
+ const char* pJson = g_pSquirrel<context>->getstring(sqvm, 1);
+ const bool bFatalParseErrors = g_pSquirrel<context>->getbool(sqvm, 2);
+
+ rapidjson_document doc;
+ doc.Parse(pJson);
+ if (doc.HasParseError())
+ {
+ g_pSquirrel<context>->newtable(sqvm);
+
+ std::string sErrorString = fmt::format(
+ "Failed parsing json file: encountered parse error \"{}\" at offset {}",
+ GetParseError_En(doc.GetParseError()),
+ doc.GetErrorOffset());
+
+ if (bFatalParseErrors)
+ g_pSquirrel<context>->raiseerror(sqvm, sErrorString.c_str());
+ else
+ spdlog::warn(sErrorString);
+
+ return SQRESULT_NOTNULL;
+ }
+
+ DecodeJsonTable<context>(sqvm, (rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<SourceAllocator>>*)&doc);
+ return SQRESULT_NOTNULL;
+}
+
+ADD_SQFUNC(
+ "string",
+ EncodeJSON,
+ "table data",
+ "converts a squirrel table to a json string",
+ ScriptContext::UI | ScriptContext::CLIENT | ScriptContext::SERVER)
+{
+ rapidjson_document doc;
+ doc.SetObject();
+
+ // temp until this is just the func parameter type
+ HSquirrelVM* vm = (HSquirrelVM*)sqvm;
+ SQTable* table = vm->_stackOfCurrentFunction[1]._VAL.asTable;
+ EncodeJSONTable<context>(table, &doc, doc.GetAllocator());
+
+ rapidjson::StringBuffer buffer;
+ rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
+ doc.Accept(writer);
+ const char* pJsonString = buffer.GetString();
+
+ g_pSquirrel<context>->pushstring(sqvm, pJsonString, -1);
+ return SQRESULT_NOTNULL;
+}