From cde848ce1eb995170723f6f070b9fcba0dfdb880 Mon Sep 17 00:00:00 2001
From: Adrian Kummerländer
Date: Sat, 5 Jan 2013 22:30:35 +0100
Subject: Moved node classes into separate compilation unit; File extension
 change

---
 src/tree.cc | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 src/tree.cc

(limited to 'src/tree.cc')

diff --git a/src/tree.cc b/src/tree.cc
new file mode 100644
index 0000000..675009e
--- /dev/null
+++ b/src/tree.cc
@@ -0,0 +1,69 @@
+#include "tree.h"
+#include "exceptions.h"
+
+#include <sstream>
+#include <limits>
+
+namespace SimpleParser {
+
+void Tree::setRoot(Node* root) {
+	this->root_node_ = root;
+}
+
+double Tree::solve() {
+	return this->root_node_->solve();
+}
+
+Node* Tree::addOperand(Node** place, double value) {
+	this->node_collection_.emplace_back(new OperandNode(value));
+
+	if ( place != nullptr ) {
+		*place = this->node_collection_.back().get();
+	}
+
+	return this->node_collection_.back().get();
+}
+
+Node* Tree::addOperator(Node** place, char oper) {
+	this->node_collection_.emplace_back(new OperatorNode(oper));
+
+	if ( place != nullptr ) {
+		*place = this->node_collection_.back().get();
+	}
+
+	return this->node_collection_.back().get();
+}
+
+std::string Tree::print(std::string term) {
+	std::stringstream out;
+	out.precision(std::numeric_limits<double>::digits10);
+
+	out << "digraph \"" << term << "\"" << std::endl
+		<< "{"  << std::endl
+		<< "node [shape = box];" << std::endl;
+
+	int i = 0;
+
+	for ( auto it = this->node_collection_.begin(); it != this->node_collection_.end(); ++it ) {
+		out << "node" << i << " [ label = \"" << (*it)->print() << "\"];" << std::endl;
+
+		if ( (*it)->getType() == OPERATOR_NODE ) {
+			for ( auto iter = this->node_collection_.begin(); iter != this->node_collection_.end(); ++iter ) {
+				if ( (*iter).get() == (*it)->leftChild ) {
+					out << "\"node" << i << "\" -> \"node" << (iter - this->node_collection_.begin()) << "\";" << std::endl;
+				}
+				if ( (*iter).get() == (*it)->rightChild ) {
+					out << "\"node" << i << "\" -> \"node" << (iter - this->node_collection_.begin()) << "\";" << std::endl;
+				}
+			}
+		}
+
+		i++;
+	}
+	
+	out << "}" << std::endl;
+	
+	return out.str();
+}
+
+}
-- 
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