Add base for menu parsing unit tests

test/ParserTestUtils/Parsing/Mock/MockParserLineStream.cpp

@@ -0,0 +1,70 @@
+#include "MockParserLineStream.h"
+
+#include <algorithm>
+
+const std::string MockParserLineStream::MOCK_FILENAME = "Mockfile";
+
+MockParserLineStream::MockParserLineStream(const std::vector<std::string>& lines)
+{
+    AddIncludeLines(MOCK_FILENAME, lines);
+    m_include_positions.emplace_back(MOCK_FILENAME, lines);
+}
+
+MockParserLineStream::IncludePos::IncludePos(std::string filename, const std::vector<std::string>& lines)
+    : m_filename(std::move(filename)),
+      m_lines(lines),
+      m_pos(0)
+{
+}
+
+void MockParserLineStream::AddIncludeLines(const std::string& filename, const std::vector<std::string>& lines)
+{
+    m_include_lines[filename] = lines;
+}
+
+ParserLine MockParserLineStream::NextLine()
+{
+    while (!m_include_positions.empty())
+    {
+        auto& currentInclude = m_include_positions.back();
+
+        if (currentInclude.m_pos < currentInclude.m_lines.size())
+        {
+            const auto line = currentInclude.m_pos++;
+            return ParserLine(currentInclude.m_filename, static_cast<int>(line + 1), currentInclude.m_lines[line]);
+        }
+
+        m_include_positions.pop_back();
+    }
+
+    return ParserLine();
+}
+
+bool MockParserLineStream::IncludeFile(const std::string& filename)
+{
+    const auto foundInclude = m_include_lines.find(filename);
+    if (foundInclude == m_include_lines.end())
+        return false;
+
+    m_include_positions.emplace_back(foundInclude->first, foundInclude->second);
+    return true;
+}
+
+void MockParserLineStream::PopCurrentFile()
+{
+    if (!m_include_positions.empty())
+        m_include_positions.pop_back();
+}
+
+bool MockParserLineStream::IsOpen() const
+{
+    return true;
+}
+
+bool MockParserLineStream::Eof() const
+{
+    return !std::any_of(m_include_positions.begin(), m_include_positions.end(), [](const IncludePos& pos)
+    {
+        return pos.m_pos < pos.m_lines.size();
+    });
+}