remake UTF-8 and I forgot what I have done in this commit

2025-03-11 18:37:34 +08:00
parent 7e63aa1217
commit a1d0f11032
32 changed files with 254 additions and 6 deletions
@@ -0,0 +1,83 @@
+//
+// Created by EmsiaetKadosh on 25-3-7.
+//
+
+#pragma once
+
+
+class File {
+public:
+	std::wfstream file;
+	explicit File(const std::wstring& path) : file(path, std::ios::in | std::ios::out | std::ios::binary) {}
+	~File() { if (file.is_open()) file.close(); }
+};
+
+class Data {
+public:
+	enum class DataType : int {
+		Integer, Double, String, Boolean, Null, List, Object
+	};
+
+private:
+	String name;
+	String value;
+	DataType type;
+
+public:
+	Data(String&& name, String&& value, const DataType type): name(std::move(name)), value(std::move(value)), type(type) {}
+};
+
+class DataLoader {
+	File file;
+
+	int parseString(int& line, String& string) {
+		while (!file.file.eof()) {
+			wchar c = file.file.get();
+			if (c == L'\"') Success();
+			if (c == L'\\') {
+				c = file.file.get();
+			}
+		}
+		errorInfo =	L"Error: String never ends. EOF comes before a '\"'";
+		Failed();
+	}
+
+	int loadUntil(int& line, wchar at = 0) {
+		String name = {};
+		String val = {};
+		enum { identifier, eq, value, end } status = identifier;
+		while (!file.file.eof()) {
+			const wchar c = file.file.get();
+			if (c == L'\n') ++line;
+			switch (status) {
+				case identifier:
+					if (!isspace(c)) name.append(1, c);
+					else if (!name.empty()) status = eq;
+					break;
+				case eq:
+					if (c == L'=') status = value;
+					else if (!isspace(c)) {
+						errorInfo = L"Error: expected '=' after identifier at line " + std::to_wstring(line);
+						Failed();
+					}
+					break;
+				case value:
+					if (!isspace(c)) { if (c == L'\"') {} }
+					break;
+				case end:
+					break;
+			}
+		}
+	}
+
+public:
+	String errorInfo = {};
+	explicit DataLoader(const String& path) : file(path) {}
+	DataLoader(const DataLoader&) = delete;
+	DataLoader(DataLoader&&) = delete;
+
+	int load() {
+		int line = 1;
+		return loadUntil(line);
+	}
+};