1 files changed, 82 insertions, 0 deletions
diff --git a/src/diagram/scope.cpp b/src/diagram/scope.cpp
new file mode 100644
index 0000000..a1074a3
--- /dev/null
+++ b/src/diagram/scope.cpp
@@ -0,0 +1,82 @@
+#include "diagram/Scope.hpp"
+
+using namespace samb;
+
+/* Scope::iterator */
+
+Scope::iterator::iterator(Statement::pointer statement): m_current(statement) {
+
+}
+
+Scope::iterator::~iterator() {
+
+}
+
+Scope::iterator& Scope::iterator::operator++() {
+    if (m_current->next() == nullptr) {
+        // TODO: remove throw
+        throw std::logic_error("Statement::iterator::operator++() m_current->next() is nullptr");
+    }
+
+    m_current = m_current->next();
+
+    return *this;
+}
+
+Scope::iterator& Scope::iterator::operator++(int) {
+    static Scope::iterator old(*this);
+
+    old = *this;
+    operator++();
+    return old;
+}
+
+Statement& Scope::iterator::operator*() const {
+    if (m_current == nullptr) {
+        throw std::logic_error("Statement::iterator::operator*() m_current is nullptr");
+    }
+
+    return *m_current;
+}
+
+Statement::pointer Scope::iterator::operator->() const {
+    return m_current;
+}
+
+
+/* Scope */
+
+Scope::Scope(std::string label): Statement(Statement::Type::SCOPE, label, nullptr), m_head(nullptr), m_tail(nullptr) {
+
+}
+
+Scope::Scope(std::string label, Statement::pointer first): Statement(Statement::Type::SCOPE, label, first), m_head(first), m_tail(first) {
+
+}
+
+Scope::~Scope() {
+
+}
+
+Scope::iterator Scope::insert_after(Scope::iterator it, Statement::pointer statement) {
+    if (statement == nullptr) {
+        throw std::invalid_argument("Statement::insert_after() cannot insert nullptr");
+    }
+
+    statement->next(it->next());
+    it->next(statement);
+
+    m_size++;
+
+    return it;
+}
+
+Scope::iterator Scope::erase_after(Scope::iterator it) {
+    if (it->next() == nullptr) {
+        return end();
+    }
+
+    it->next(it->next()->next());
+
+    return it;
+}