# HG changeset patch
# User František Kučera <franta-hg@frantovo.cz>
# Date 1627206835 -7200
# Node ID 7128fabeede0f14390657ab2d1b01036a6602c8b
# Parent  68a281aefa7610fb2cbae27c13a3d59638df5062
FreeformASN1ContentHandler: basic ASN.1 tree in a relation

diff -r 68a281aefa76 -r 7128fabeede0 nbproject/configurations.xml
--- a/nbproject/configurations.xml	Sat Jul 24 17:35:27 2021 +0200
+++ b/nbproject/configurations.xml	Sun Jul 25 11:53:55 2021 +0200
@@ -42,7 +42,12 @@
   <logicalFolder name="root" displayName="root" projectFiles="true" kind="ROOT">
     <df root="." name="0">
       <df name="src">
+        <df name="lib">
+          <in>AbstractParser.cpp</in>
+        </df>
         <in>ASN1Command.cpp</in>
+        <in>FreeformASN1ContentHandler.h</in>
+        <in>RelpipeASN1ContentHandler.h</in>
         <in>relpipe-in-asn1.cpp</in>
       </df>
     </df>
@@ -97,6 +102,14 @@
         <ccTool flags="0">
         </ccTool>
       </item>
+      <item path="src/FreeformASN1ContentHandler.h" ex="false" tool="3" flavor2="0">
+      </item>
+      <item path="src/RelpipeASN1ContentHandler.h" ex="false" tool="3" flavor2="0">
+      </item>
+      <item path="src/lib/AbstractParser.cpp" ex="false" tool="1" flavor2="0">
+        <ccTool flags="0">
+        </ccTool>
+      </item>
       <item path="src/relpipe-in-asn1.cpp" ex="false" tool="1" flavor2="0">
         <ccTool flags="0">
         </ccTool>
@@ -131,6 +144,10 @@
           <preBuildFirst>true</preBuildFirst>
         </preBuild>
       </makefileType>
+      <item path="src/FreeformASN1ContentHandler.h" ex="false" tool="3" flavor2="0">
+      </item>
+      <item path="src/RelpipeASN1ContentHandler.h" ex="false" tool="3" flavor2="0">
+      </item>
     </conf>
   </confs>
 </configurationDescriptor>
diff -r 68a281aefa76 -r 7128fabeede0 src/ASN1Command.cpp
--- a/src/ASN1Command.cpp	Sat Jul 24 17:35:27 2021 +0200
+++ b/src/ASN1Command.cpp	Sun Jul 25 11:53:55 2021 +0200
@@ -26,11 +26,17 @@
 
 #include <relpipe/cli/CLI.h>
 
+#include "lib/ASN1ContentHandler.h"
+#include "lib/BasicASN1Reader.h"
+#include "lib/TransactionalBuffer.h"
+
 #include "ASN1Command.h"
+#include "RelpipeASN1ContentHandler.h"
+#include "FreeformASN1ContentHandler.h"
 
 using namespace std;
 using namespace relpipe::writer;
-//using namespace relpipe::in::asn1::lib;
+using namespace relpipe::in::asn1::lib;
 
 namespace relpipe {
 namespace in {
@@ -38,6 +44,32 @@
 
 void ASN1Command::process(std::istream& input, std::shared_ptr<writer::RelationalWriter> writer, Configuration& configuration) {
 	// TODO: parse ASN.1 and write relational data
+	BasicASN1Reader reader;
+	std::shared_ptr<ASN1ContentHandler> asn1handler;
+
+	if (configuration.mode == Mode::Relpipe) asn1handler = std::make_shared<RelpipeASN1ContentHandler>(writer, configuration);
+	else if (configuration.mode == Mode::Freeform) asn1handler = std::make_shared<FreeformASN1ContentHandler>(writer, configuration);
+	else throw RelpipeWriterException(L"Unsupported mode in ASN1Command: " + std::to_wstring((int) configuration.mode));
+
+	for (ParserOptionRecipe o : configuration.parserOptions) {
+		int n = 0;
+		n += reader.setOption(convertor.to_bytes(o.uri), convertor.to_bytes(o.value));
+		n += asn1handler->setOption(convertor.to_bytes(o.uri), convertor.to_bytes(o.value));
+		if (n == 0) throw RelpipeWriterException(L"Invalid parser option: „" + o.uri + L"“ with value: „" + o.value + L"“");
+	}
+
+	reader.addHandler(asn1handler);
+
+	try {
+		// TODO: buffering? (reader itself also buffers)
+		for (uint8_t b = input.get(); input.good(); b = input.get()) reader.write(&b, 1);
+	} catch (const relpipe::in::asn1::lib::TransactionalBuffer::WriteBufferOverflowException& e) {
+		// TODO: avoid leaky abstraction and use different exception
+		throw relpipe::writer::RelpipeWriterException(L"Transactional buffer for ASN.1 input is too small");
+	}
+
+	reader.close();
+
 
 }
 
diff -r 68a281aefa76 -r 7128fabeede0 src/CMakeLists.txt
--- a/src/CMakeLists.txt	Sat Jul 24 17:35:27 2021 +0200
+++ b/src/CMakeLists.txt	Sun Jul 25 11:53:55 2021 +0200
@@ -29,6 +29,7 @@
 # Executable output:
 add_executable(
 	${EXECUTABLE_FILE}
+	lib/AbstractParser.cpp
 	ASN1Command.cpp
 	relpipe-in-asn1.cpp
 )
diff -r 68a281aefa76 -r 7128fabeede0 src/FreeformASN1ContentHandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/FreeformASN1ContentHandler.h	Sun Jul 25 11:53:55 2021 +0200
@@ -0,0 +1,170 @@
+/**
+ * Relational pipes
+ * Copyright © 2021 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <relpipe/writer/RelationalWriter.h>
+#include "lib/ASN1ContentHandler.h"
+#include "Configuration.h"
+
+namespace relpipe {
+namespace in {
+namespace asn1 {
+
+class FreeformASN1ContentHandler : public lib::ASN1ContentHandler {
+private:
+	std::shared_ptr<relpipe::writer::RelationalWriter> writer;
+	Configuration configuration;
+	std::vector<relpipe::common::type::Integer> position;
+
+	class Record {
+	public:
+		const Header* header;
+		const std::vector<relpipe::common::type::Integer>& position;
+		relpipe::common::type::Integer level = 0;
+		relpipe::common::type::StringX event;
+
+		Record(const Header* header, std::vector<relpipe::common::type::Integer>& position, relpipe::common::type::StringX event) : header(header), position(position), event(event) {
+		}
+
+		virtual ~Record() {
+		}
+	};
+
+	void write(const Record& r) {
+		relpipe::common::type::Integer tag = r.header ? r.header->tag : -1; // TODO: null + possible integer overflow
+		relpipe::common::type::Integer id = r.position.back();
+		relpipe::common::type::Integer parent = r.position[r.position.size() - 2];
+		relpipe::common::type::Integer level = r.position.size() - 2;
+
+		writer->writeAttribute(&id, typeid (id));
+		writer->writeAttribute(&parent, typeid (parent));
+		writer->writeAttribute(&level, typeid (level));
+		writer->writeAttribute(&r.event, typeid (r.event));
+		writer->writeAttribute(&tag, typeid (tag));
+	}
+
+public:
+
+	FreeformASN1ContentHandler(std::shared_ptr<relpipe::writer::RelationalWriter> writer, Configuration configuration) : writer(writer), configuration(configuration) {
+	}
+
+	bool setOption(const std::string& uri, const std::string& value) override {
+		return false;
+	}
+
+	void writeStreamStart() override {
+		writer->startRelation(configuration.relation,{
+			{L"id", relpipe::writer::TypeId::INTEGER},
+			{L"parent", relpipe::writer::TypeId::INTEGER},
+			{L"level", relpipe::writer::TypeId::INTEGER},
+			{L"event", relpipe::writer::TypeId::STRING},
+			//{L"pc", relpipe::writer::TypeId::STRING},
+			//{L"tag_class", relpipe::writer::TypeId::STRING},
+			{L"tag", relpipe::writer::TypeId::INTEGER},
+		}, true);
+
+		position.push_back(-1); // TODO: null
+		position.push_back(1);
+		Record r(nullptr, position, L"stream-start");
+		write(r);
+		position.push_back(position.back());
+	}
+
+	void writeStreamEnd() override {
+		auto id = position.back() + 1;
+		position.pop_back();
+		position.back() = id;
+		Record r(nullptr, position, L"stream-end");
+		write(r);
+	}
+
+	void writeCollectionStart(const Header& header) override {
+		position.back()++;
+		Record r(&header, position, L"collection-start");
+		write(r);
+		position.push_back(position.back());
+	}
+
+	void writeCollectionEnd() override {
+		auto id = position.back() + 1;
+		position.pop_back();
+		position.back() = id;
+		Record r(nullptr, position, L"collection-end");
+		write(r);
+	}
+
+	void writeBitString(const Header& header, std::vector<bool> value) override {
+		position.back()++;
+		Record r(&header, position, L"bit-string");
+		write(r);
+	}
+
+	void writeBoolean(const Header& header, bool value) override {
+		position.back()++;
+		Record r(&header, position, L"boolean");
+		write(r);
+	}
+
+	void writeDateTime(const Header& header, DateTime value) override {
+		position.back()++;
+		Record r(&header, position, L"date-time");
+		write(r);
+	}
+
+	void writeInteger(const Header& header, Integer value) override {
+		position.back()++;
+		Record r(&header, position, L"integer");
+		write(r);
+	}
+
+	void writeNull(const Header& header) override {
+		position.back()++;
+		Record r(&header, position, L"null");
+		write(r);
+	}
+
+	void writeOID(const Header& header, ObjectIdentifier value) override {
+		position.back()++;
+		Record r(&header, position, L"oid");
+		write(r);
+	}
+
+	void writeOctetString(const Header& header, std::string value) override {
+		position.back()++;
+		Record r(&header, position, L"octet-string");
+		write(r);
+	}
+
+	void writeTextString(const Header& header, std::string value) override {
+		position.back()++;
+		Record r(&header, position, L"text-string");
+		write(r);
+	}
+
+	void writeSpecific(const Header& header, std::string value) override {
+		position.back()++;
+		Record r(&header, position, L"specific");
+		write(r);
+	}
+
+
+
+};
+
+}
+}
+}
\ No newline at end of file
diff -r 68a281aefa76 -r 7128fabeede0 src/RelpipeASN1ContentHandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/RelpipeASN1ContentHandler.h	Sun Jul 25 11:53:55 2021 +0200
@@ -0,0 +1,85 @@
+/**
+ * Relational pipes
+ * Copyright © 2021 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <relpipe/writer/RelationalWriter.h>
+#include "lib/ASN1ContentHandler.h"
+#include "Configuration.h"
+
+namespace relpipe {
+namespace in {
+namespace asn1 {
+
+class RelpipeASN1ContentHandler : public lib::ASN1ContentHandler {
+private:
+	std::shared_ptr<relpipe::writer::RelationalWriter> writer;
+	Configuration configuration;
+
+public:
+
+	RelpipeASN1ContentHandler(std::shared_ptr<relpipe::writer::RelationalWriter> writer, Configuration configuration) : writer(writer), configuration(configuration) {
+	}
+
+	bool setOption(const std::string& uri, const std::string& value) override {
+		return false;
+	}
+
+	void writeStreamStart() override {
+	}
+
+	void writeStreamEnd() override {
+	}
+
+	void writeCollectionStart(const Header& header) override {
+	}
+
+	void writeCollectionEnd() override {
+	}
+
+	void writeBitString(const Header& header, std::vector<bool> value) override {
+	}
+
+	void writeBoolean(const Header& header, bool value) override {
+	}
+
+	void writeDateTime(const Header& header, DateTime value) override {
+	}
+
+	void writeInteger(const Header& header, Integer value) override {
+	}
+
+	void writeNull(const Header& header) override {
+	}
+
+	void writeOID(const Header& header, ObjectIdentifier value) override {
+	}
+
+	void writeOctetString(const Header& header, std::string value) override {
+	}
+
+	void writeTextString(const Header& header, std::string value) override {
+	}
+
+	void writeSpecific(const Header& header, std::string value) override {
+	}
+
+
+};
+
+}
+}
+}
\ No newline at end of file
diff -r 68a281aefa76 -r 7128fabeede0 src/relpipe-in-asn1.cpp
--- a/src/relpipe-in-asn1.cpp	Sat Jul 24 17:35:27 2021 +0200
+++ b/src/relpipe-in-asn1.cpp	Sun Jul 25 11:53:55 2021 +0200
@@ -52,10 +52,14 @@
 		std::shared_ptr<RelationalWriter> writer(Factory::create(std::cout));
 		command.process(cin, writer, configuration);
 		resultCode = CLI::EXIT_CODE_SUCCESS;
-	} catch (RelpipeWriterException e) {
+	} catch (RelpipeWriterException& e) {
 		fwprintf(stderr, L"Caught Writer exception: %ls\n", e.getMessge().c_str());
 		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
 		resultCode = CLI::EXIT_CODE_DATA_ERROR;
+	} catch (RelpipeCLIException& e) {
+		fwprintf(stderr, L"Caught CLI exception: %ls\n", e.getMessge().c_str());
+		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
+		resultCode = e.getExitCode();
 	}
 
 	return resultCode;