From 149f8e76d1eed5037c583bad599a27154ce3d9a9 Mon Sep 17 00:00:00 2001
From: Christoph Egger <Christoph.Egger@fau.de>
Date: Tue, 3 Mar 2015 17:36:10 +0100
Subject: [PATCH] implement basic deserialization of BasicBlock's

---
 src/core/BasicBlock.cxx | 77 +++++++++++++++++++++++++++++++++++++++++
 src/core/BasicBlock.hxx |  3 ++
 2 files changed, 80 insertions(+)

diff --git a/src/core/BasicBlock.cxx b/src/core/BasicBlock.cxx
index 0dec430..5e2efd7 100644
--- a/src/core/BasicBlock.cxx
+++ b/src/core/BasicBlock.cxx
@@ -1,5 +1,9 @@
 #include "BasicBlock.hxx"
 #include "gui/qt.hxx"
+#include "core/InformationManager.hxx"
+
+#include <cassert>
+#include <iostream>
 
 void BasicBlock::serialize(QXmlStreamWriter& stream) {
 	stream.writeStartElement("block");
@@ -12,3 +16,76 @@ void BasicBlock::serialize(QXmlStreamWriter& stream) {
 		stream.writeTextElement("next", QString::number(getNextBlock(1), 16));
 	stream.writeEndElement(); // "block"
 }
+
+BasicBlock* BasicBlock::deserialize(QXmlStreamReader& stream, InformationManager* manager) {
+	Q_ASSERT(stream.name() == "block");
+
+	QString name = stream.attributes().value("id").toString();
+	uint64_t start_address(0), end_address(0), next_blocks[2] = {0, 0};
+	BasicBlock* block;
+
+
+	while (QXmlStreamReader::NoToken != stream.readNext()) {
+		while (QXmlStreamReader::Characters == stream.tokenType() &&
+		       stream.isWhitespace())
+			stream.readNext();
+		if (QXmlStreamReader::EndElement == stream.tokenType())
+			break;
+
+		if(QXmlStreamReader::StartElement != stream.tokenType())
+			return NULL;
+
+		if (stream.name() == "start") {
+			stream.readNext();
+			if (QXmlStreamReader::Characters != stream.tokenType())
+				return NULL;
+
+			start_address = stream.text().toULongLong(NULL, 16);
+			stream.readNext();
+
+			if(QXmlStreamReader::EndElement != stream.tokenType())
+				return NULL;
+		}
+		if (stream.name() == "end") {
+			stream.readNext();
+			if (QXmlStreamReader::Characters != stream.tokenType())
+				return NULL;
+
+			end_address = stream.text().toULongLong(NULL, 16);
+			stream.readNext();
+
+			if(QXmlStreamReader::EndElement != stream.tokenType())
+				return NULL;
+		}
+		if (stream.name() == "next") {
+			stream.readNext();
+			if (QXmlStreamReader::Characters != stream.tokenType())
+				return NULL;
+
+			uint64_t newblock = stream.text().toULongLong(NULL, 16);
+			stream.readNext();
+
+			if (next_blocks[0] == 0) {
+				next_blocks[0] = newblock;
+			} else {
+				if (0 != next_blocks[1])
+					return NULL;
+				next_blocks[1] = newblock;
+			}
+
+			if(QXmlStreamReader::EndElement != stream.tokenType())
+				return NULL;
+		}
+	}
+
+	block = manager->newBasicBlock(start_address);
+	block->end_address = end_address;
+	block->next_blocks[0] = next_blocks[0];
+	block->next_blocks[1] = next_blocks[1];
+
+	assert(stream.name() == "block");
+	assert(block->getName() == name.toStdString());
+
+	manager->finishBasicBlock(block);
+	return block;
+}
diff --git a/src/core/BasicBlock.hxx b/src/core/BasicBlock.hxx
index c7ae26e..bec0da3 100644
--- a/src/core/BasicBlock.hxx
+++ b/src/core/BasicBlock.hxx
@@ -8,6 +8,7 @@
 class Disassembler;
 class InformationManager;
 class QXmlStreamWriter;
+class QXmlStreamReader;
 
 class BasicBlock {
 public:
@@ -48,6 +49,8 @@ public:
 	}
 
 	void serialize(QXmlStreamWriter& stream);
+	static BasicBlock* deserialize(QXmlStreamReader& stream, InformationManager* manager);
+
 private:
 	BasicBlock(uint64_t start_address, InformationManager* manager)
 		: start_address(start_address)
-- 
2.39.2