move UniversalType to ASN1ContentHandler v_0
authorFrantišek Kučera <franta-hg@frantovo.cz>
Sun, 04 Jul 2021 11:37:27 +0200
branchv_0
changeset 26 e39de9b8b3a1
parent 25 ba79cebde109
child 27 d9cc2d356cdb
move UniversalType to ASN1ContentHandler
src/lib/ASN1ContentHandler.h
src/lib/BasicASN1Reader.h
src/lib/GenericASN1ContentHandler.h
--- a/src/lib/ASN1ContentHandler.h	Sat Jul 03 20:17:17 2021 +0200
+++ b/src/lib/ASN1ContentHandler.h	Sun Jul 04 11:37:27 2021 +0200
@@ -29,6 +29,46 @@
 namespace asn1 {
 namespace lib {
 
+namespace UniversalType {
+static const uint64_t EndOfContent = 0x00;
+static const uint64_t Boolean = 0x01;
+static const uint64_t Integer = 0x02;
+static const uint64_t BitString = 0x03;
+static const uint64_t OctetString = 0x04;
+static const uint64_t Null = 0x05;
+static const uint64_t ObjectIdentifier = 0x06;
+static const uint64_t ObjectDescriptor = 0x07;
+static const uint64_t External = 0x08;
+static const uint64_t Real = 0x09;
+static const uint64_t Enumerated = 0xA;
+static const uint64_t Embedded = 0xB;
+static const uint64_t UTF8String = 0xC;
+static const uint64_t RelativeObjectIdentifier = 0xD;
+static const uint64_t Time = 0xE;
+static const uint64_t Reserved = 0xF;
+static const uint64_t Sequence = 0x10;
+static const uint64_t Set = 0x11;
+static const uint64_t NumericString = 0x12;
+static const uint64_t PrintableString = 0x13;
+static const uint64_t T61String = 0x14;
+static const uint64_t VideotexString = 0x15;
+static const uint64_t IA5String = 0x16;
+static const uint64_t UTCTime = 0x17;
+static const uint64_t GeneralizedTime = 0x18;
+static const uint64_t GraphicString = 0x19;
+static const uint64_t VisibleString = 0x1A;
+static const uint64_t GeneralString = 0x1B;
+static const uint64_t UniversalString = 0x1C;
+static const uint64_t CharacterString = 0x1D;
+static const uint64_t BMPString = 0x1E;
+static const uint64_t Date = 0x1F;
+static const uint64_t TimeOfDay = 0x20;
+static const uint64_t DateTime = 0x21;
+static const uint64_t Duration = 0x22;
+static const uint64_t ObjectIdentifierIRI = 0x23;
+static const uint64_t RelativeObjectIdentifierIRI = 0x24;
+}
+
 class ASN1ContentHandler {
 public:
 
@@ -51,12 +91,6 @@
 		uint64_t tag;
 	};
 
-	enum class CollectionType : uint64_t {
-		Constructed, // TODO: special event?
-		Sequence = 16,
-		Set = 17
-	};
-
 	enum class StringType : uint64_t {
 		UTF8String = 0xC,
 		NumericString = 0x12,
@@ -83,6 +117,9 @@
 		// TODO: review date/time types
 	};
 
+
+	// TODO: separate implementation of particular types from the interface, separate SPI from API?
+
 	class Integer {
 	private:
 		// TODO: use std::string (of octets, not ASCII) instead of std::vector?
@@ -253,7 +290,7 @@
 	virtual void writeStreamStart() = 0;
 	virtual void writeStreamEnd() = 0;
 
-	virtual void writeCollectionStart(CollectionType type) = 0;
+	virtual void writeCollectionStart(const Header& header) = 0;
 	virtual void writeCollectionEnd() = 0;
 	virtual void writeBoolean(bool value) = 0;
 	virtual void writeNull() = 0;
@@ -300,8 +337,8 @@
 		handlers.forward(&ASN1ContentHandler::writeStreamEnd);
 	}
 
-	void writeCollectionStart(CollectionType type) override {
-		handlers.forward(&ASN1ContentHandler::writeCollectionStart, type);
+	void writeCollectionStart(const Header& header) override {
+		handlers.forward(&ASN1ContentHandler::writeCollectionStart, header);
 	}
 
 	void writeCollectionEnd() override {
--- a/src/lib/BasicASN1Reader.h	Sat Jul 03 20:17:17 2021 +0200
+++ b/src/lib/BasicASN1Reader.h	Sun Jul 04 11:37:27 2021 +0200
@@ -37,46 +37,6 @@
 
 	bool started = false;
 
-	enum UniversalType : uint64_t {
-		EndOfContent = 0x00,
-		Boolean = 0x01,
-		Integer = 0x02,
-		BitString = 0x03,
-		OctetString = 0x04,
-		Null = 0x05,
-		ObjectIdentifier = 0x06,
-		ObjectDescriptor = 0x07,
-		External = 0x08,
-		Real = 0x09,
-		Enumerated = 0xA,
-		Embedded = 0xB,
-		UTF8String = 0xC,
-		RelativeObjectIdentifier = 0xD,
-		Time = 0xE,
-		Reserved = 0xF,
-		Sequence = 0x10,
-		Set = 0x11,
-		NumericString = 0x12,
-		PrintableString = 0x13,
-		T61String = 0x14,
-		VideotexString = 0x15,
-		IA5String = 0x16,
-		UTCTime = 0x17,
-		GeneralizedTime = 0x18,
-		GraphicString = 0x19,
-		VisibleString = 0x1A,
-		GeneralString = 0x1B,
-		UniversalString = 0x1C,
-		CharacterString = 0x1D,
-		BMPString = 0x1E,
-		Date = 0x1F,
-		TimeOfDay = 0x20,
-		DateTime = 0x21,
-		Duration = 0x22,
-		ObjectIdentifierIRI = 0x23,
-		RelativeObjectIdentifierIRI = 0x24,
-	};
-
 	class BasicHeader : public ASN1ContentHandler::Header {
 	public:
 		bool definiteLength;
@@ -171,13 +131,13 @@
 			handlers.writeCollectionEnd();
 		} else if (typeHeader.tag == UniversalType::Sequence) {
 			level.push_back({typeHeader.definiteLength, typeHeader.length, getBytesRead()}); // TODO: transaction
-			handlers.writeCollectionStart(ASN1ContentHandler::CollectionType::Sequence);
+			handlers.writeCollectionStart(typeHeader);
 		} else if (typeHeader.tag == UniversalType::Set) {
 			level.push_back({typeHeader.definiteLength, typeHeader.length, getBytesRead()}); // TODO: transaction
-			handlers.writeCollectionStart(ASN1ContentHandler::CollectionType::Set);
+			handlers.writeCollectionStart(typeHeader);
 		} else if (typeHeader.pc == PC::Constructed) {
 			level.push_back({typeHeader.definiteLength, typeHeader.length, getBytesRead()}); // TODO: transaction
-			handlers.writeCollectionStart(ASN1ContentHandler::CollectionType::Constructed);
+			handlers.writeCollectionStart(typeHeader);
 		} else if (typeHeader.tag == UniversalType::Null && typeHeader.length == 0) {
 			handlers.writeNull();
 		} else if (typeHeader.tag == UniversalType::Boolean && typeHeader.definiteLength && typeHeader.length == 1) {
--- a/src/lib/GenericASN1ContentHandler.h	Sat Jul 03 20:17:17 2021 +0200
+++ b/src/lib/GenericASN1ContentHandler.h	Sun Jul 04 11:37:27 2021 +0200
@@ -52,11 +52,10 @@
 		handlers.writeEndElement();
 	}
 
-	void writeCollectionStart(CollectionType type) override {
-		if (type == CollectionType::Sequence) handlers.writeStartElement("sequence");
-		else if (type == CollectionType::Set) handlers.writeStartElement("set");
-		else if (type == CollectionType::Constructed) handlers.writeStartElement("constructed");
-		else handlers.writeStartElement("unknown-collection"); // TODO: exception?
+	void writeCollectionStart(const Header& header) override {
+		if (header.tag == UniversalType::Sequence) handlers.writeStartElement("sequence");
+		else if (header.tag == UniversalType::Set) handlers.writeStartElement("set");
+		else handlers.writeStartElement("constructed");
 	}
 
 	void writeCollectionEnd() override {