Implementa BinaryWriter

includes/csharp/io/binary.hpp

@@ -190,7 +190,8 @@ namespace csharp {
 	class BinaryWriter {
 	public:
 		BinaryWriter(std::shared_ptr<Stream> const& output)
-			: BinaryWriter(output, false) {	}
+			: BinaryWriter(output, false) {
+		}
 
 		BinaryWriter(std::shared_ptr<Stream> const& output, bool leaveOpen) {
 			ArgumentNullException::ThrowIfNull(output.get(), "output");
@@ -242,13 +243,82 @@ namespace csharp {
 			OutStream->Write(buffer, bufferLength, index, count);
 		}
 
-		virtual void Write(char ch);
+		inline virtual void Write(char ch) {
+			const auto byte = static_cast<uint8_t>(ch);
+			OutStream->Write(&byte, 1);
+		}
+
+		inline virtual void Write(char* chars, int32_t charsLength) {
+			ArgumentNullException::ThrowIfNull(chars, "chars");
+			auto bytes = reinterpret_cast<const uint8_t*>(chars);
+			OutStream->Write(bytes, charsLength);
+		}
+
+		inline virtual void Write(char* chars, int32_t charsLength, int32_t index, int32_t count) {
+			ArgumentNullException::ThrowIfNull(chars, "chars");
+			ArgumentOutOfRangeException::ThrowIfNegative(index, "index");
+			ArgumentOutOfRangeException::ThrowIfNegative(count, "count");
+
+			if (index > charsLength - count)
+				throw ArgumentOutOfRangeException("index");
+
+			auto bytes = reinterpret_cast<const uint8_t*>(chars);
+			OutStream->Write(bytes, charsLength, index, count);
+		}
+
+		inline virtual void Write(double value) {
+			WriteNumeric(value);
+		}
+
+		inline virtual void Write(int16_t value) {
+			WriteNumeric(value);
+		}
+
+		inline virtual void Write(uint16_t value) {
+			WriteNumeric(value);
+		}
+
+		inline virtual void Write(int32_t value) {
+			WriteNumeric(value);
+		}
+
+		inline virtual void Write(uint32_t value) {
+			WriteNumeric(value);
+		}
+
+		inline virtual void Write(int64_t value) {
+			WriteNumeric(value);
+		}
+
+		inline virtual void Write(uint64_t value) {
+			WriteNumeric(value);
+		}
+
+		inline virtual void Write(float value) {
+			WriteNumeric(value);
+		}
+
+		virtual void Write(std::string const& value) {
+			Write7BitEncodedInt(static_cast<int64_t>(value.size()));
+			auto bytes = reinterpret_cast<const uint8_t*>(value.data());
+			OutStream->Write(bytes, value.size());
+		}		
+
+		void Write7BitEncodedInt(int32_t value);
+		void Write7BitEncodedInt(int64_t value);
 
 	protected:
 		BinaryWriter() {
 			OutStream = Stream::Null;
 		}
 
+		template <typename TNUMERIC>
+		void WriteNumeric(TNUMERIC const& value) {
+			auto bytes = reinterpret_cast<const uint8_t*>(&value);
+			const auto size = sizeof(value);
+			OutStream->Write(bytes, static_cast<int32_t>(size));
+		}
+
 	protected:
 		std::shared_ptr<Stream> OutStream;
 

includes/csharp/text/unicode.hpp

@@ -2,6 +2,13 @@
 #define CSHARP_TEXT_UNICODE_HPP
 
 #include <cstdint>
+#include <vector>
+#include "csharp/exception.hpp"
+
+//
+// The char type keyword is an alias for the .NET System.Char structure type that represents a Unicode UTF-16 character.
+// https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/builtin-types/char
+//
 
 namespace csharp {
 	struct UnicodeUtility {
@@ -49,18 +56,13 @@ namespace csharp {
 			return value <= 0x7Fu;
 		}
 
-		// Returns true if value is in the Basic Multilingual Plane (BMP
-		static constexpr bool IsAsciiCodePoint(uint32_t value) {
-			return value <= 0xFFFFu;
-		}
-
 		//Returns true if is a UTF-16 high surrogate code point, i.e., is in [ U+D800..U+DBFF ], inclusive.
 		static constexpr bool IsHighSurrogateCodePoint(uint32_t value) {
 			return IsInRangeInclusive(value, 0xD800U, 0xDBFFU);
 		}
 		
 		//Returns true if is between
-		static consexpr bool IsInRangeInclusive(uint32_t value, uint32_t lowerBound, uint32_t upperBound) {
+		static constexpr bool IsInRangeInclusive(uint32_t value, uint32_t lowerBound, uint32_t upperBound) {
 			return (value - lowerBound) <= (upperBound - lowerBound);
 		}
 
@@ -75,7 +77,7 @@ namespace csharp {
 		}
 		 
 		//Returns true if value is a valid Unicode code point, i.e., is in [ U+0000..U+10FFFF ], inclusive.
-		static constexpr bool IsValidCodePoint(uint32_t value) {
+		static constexpr bool IsValidCodePoint(uint32_t codePoint) {
 			return codePoint <= 0x10FFFFU;
 		}
 

samples/01_blank/xna.cpp

@@ -12,25 +12,6 @@ namespace xna {
 	public:
 		Game1() : Game() {
 			Content()->RootDirectory("Content");			
-
-			short inteiro = 0xC3 | 0xA7;
-			char charpa = inteiro;
-
-			auto stream = std::make_shared<csharp::FileStream>("D:/file.bin", csharp::FileMode::Open);
-			auto reader = csharp::BinaryReader(stream);
-			auto bo = reader.ReadBoolean(); //reader.ReadChar()
-			auto x = reader.ReadChar(); //x
-			auto cedilha = reader.ReadChar8(); //ç
-			auto sb = reader.ReadSByte(); //127
-			auto by = reader.ReadByte(); //255
-			auto i16 = reader.ReadInt16(); //32767
-			auto ui16 = reader.ReadUInt16();//65535
-			auto i32 = reader.ReadInt32(); //2147483647
-			auto ui32 = reader.ReadUInt32(); //4294967295
-			auto i64 = reader.ReadInt64(); //9223372036854775807
-			auto ui64 = reader.ReadUInt64(); //18446744073709551615
-			auto str = reader.ReadString(); //The string in stream.
-			auto str2 = reader.ReadString8(); //Ç de cedilha e ñ com til mas sem ¨ trema.
 		}
 
 		void Initialize() override {

sources/csharp/io/binary.cpp

@@ -1,6 +1,7 @@
 #include "csharp/io/binary.hpp"
 #include <vector>
 #include <cstdint>
+#include "csharp/text/unicode.hpp"
 
 namespace csharp {
 	int32_t BinaryReader::PeekChar() {
@@ -82,7 +83,7 @@ namespace csharp {
         return static_cast<uint8_t>(b);
     }
 
-    char BinaryReader::ReadChar(bool twoBytes = false) {
+    char BinaryReader::ReadChar(bool twoBytes) {
         const auto value = Read(twoBytes);
 
         if (value == -1)
@@ -295,4 +296,28 @@ namespace csharp {
         result |= static_cast<int64_t>(byteReadJustNow) << (MaxBytesWithoutOverflow * 7);
         return static_cast<int64_t>(result);
     }
+
+    void BinaryWriter::Write7BitEncodedInt(int32_t value) {
+        auto uValue = static_cast<uint32_t>(value);
+
+        while (uValue > 0x7Fu)
+        {
+            Write(static_cast<uint8_t>(uValue | ~0x7Fu));
+            uValue >>= 7;
+        }
+
+        Write(static_cast<uint8_t>(uValue));
+    }
+
+    void BinaryWriter::Write7BitEncodedInt(int64_t value) {
+        auto uValue = static_cast<uint32_t>(value);
+
+        while (uValue > 0x7Fu)
+        {
+            Write(static_cast<uint8_t>(uValue | ~0x7Fu));
+            uValue >>= 7;
+        }
+
+        Write(static_cast<uint8_t>(uValue));
+    }
 }