1 files changed, 169 insertions, 0 deletions
diff --git a/src/session_handler.cpp b/src/session_handler.cpp
new file mode 100644
index 0000000..b5e49a9
--- /dev/null
+++ b/src/session_handler.cpp
@@ -0,0 +1,169 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include "session_handler.hpp"
+#include "app_common.hpp"
+
+#include "ixion/formula_name_resolver.hpp"
+#include "ixion/formula_result.hpp"
+#include "ixion/formula_tokens.hpp"
+#include "ixion/config.hpp"
+
+#include <string>
+#include <iostream>
+#include <sstream>
+#include <mutex>
+
+using namespace std;
+
+namespace ixion {
+
+session_handler::factory::factory(const model_context& cxt) :
+    m_context(cxt), m_show_sheet_name(false) {}
+
+session_handler::factory::~factory() {}
+
+std::unique_ptr<iface::session_handler> session_handler::factory::create()
+{
+    return std::make_unique<session_handler>(m_context, m_show_sheet_name);
+}
+
+void session_handler::factory::show_sheet_name(bool b)
+{
+    m_show_sheet_name = b;
+}
+
+struct session_handler::impl
+{
+    const model_context& m_context;
+    std::unique_ptr<formula_name_resolver> mp_resolver;
+    std::string m_cell_name;
+    std::ostringstream m_buf;
+    bool m_show_sheet_name;
+
+    impl(const model_context& cxt, bool show_sheet_name) :
+        m_context(cxt),
+        mp_resolver(formula_name_resolver::get(formula_name_resolver_t::excel_a1, &cxt)),
+        m_show_sheet_name(show_sheet_name) {}
+};
+
+session_handler::session_handler(const model_context& cxt, bool show_sheet_name) :
+    mp_impl(std::make_unique<impl>(cxt, show_sheet_name)) {}
+
+session_handler::~session_handler() {}
+
+void session_handler::begin_cell_interpret(const abs_address_t& pos)
+{
+    // Convert absolute to relative address, which looks better when printed.
+    address_t pos_display(pos);
+    pos_display.set_absolute(false);
+    mp_impl->m_cell_name = mp_impl->mp_resolver->get_name(pos_display, abs_address_t(), mp_impl->m_show_sheet_name);
+
+    mp_impl->m_buf << detail::get_formula_result_output_separator() << endl;
+    mp_impl->m_buf << mp_impl->m_cell_name << ": ";
+}
+
+void session_handler::end_cell_interpret()
+{
+    print(mp_impl->m_buf.str());
+}
+
+void session_handler::set_result(const formula_result& result)
+{
+    mp_impl->m_buf << std::endl << mp_impl->m_cell_name << ": result = ";
+
+    switch (result.get_type())
+    {
+        case formula_result::result_type::string:
+        {
+            constexpr char quote = '\'';
+            mp_impl->m_buf << quote << result.str(mp_impl->m_context) << quote;
+            break;
+        }
+        default:
+            mp_impl->m_buf << result.str(mp_impl->m_context);
+    }
+
+    mp_impl->m_buf << " [" << result.get_type() << ']' << std::endl;
+}
+
+void session_handler::set_invalid_expression(std::string_view msg)
+{
+    mp_impl->m_buf << endl << mp_impl->m_cell_name << ": invalid expression: " << msg << endl;
+}
+
+void session_handler::set_formula_error(std::string_view msg)
+{
+    mp_impl->m_buf << endl << mp_impl->m_cell_name << ": result = " << msg << endl;
+}
+
+void session_handler::push_token(fopcode_t fop)
+{
+    switch (fop)
+    {
+        case fop_sep:
+        {
+            mp_impl->m_buf << mp_impl->m_context.get_config().sep_function_arg;
+            break;
+        }
+        case fop_array_row_sep:
+        {
+            mp_impl->m_buf << mp_impl->m_context.get_config().sep_matrix_row;
+            break;
+        }
+        default:
+            mp_impl->m_buf << get_formula_opcode_string(fop);
+    }
+}
+
+void session_handler::push_value(double val)
+{
+    mp_impl->m_buf << val;
+}
+
+void session_handler::push_string(size_t sid)
+{
+    const string* p = mp_impl->m_context.get_string(sid);
+    mp_impl->m_buf << '"';
+    if (p)
+        mp_impl->m_buf << *p;
+    else
+        mp_impl->m_buf << "(null string)";
+    mp_impl->m_buf << '"';
+}
+
+void session_handler::push_single_ref(const address_t& addr, const abs_address_t& pos)
+{
+    mp_impl->m_buf << mp_impl->mp_resolver->get_name(addr, pos, false);
+}
+
+void session_handler::push_range_ref(const range_t& range, const abs_address_t& pos)
+{
+    mp_impl->m_buf << mp_impl->mp_resolver->get_name(range, pos, false);
+}
+
+void session_handler::push_table_ref(const table_t& table)
+{
+    mp_impl->m_buf << mp_impl->mp_resolver->get_name(table);
+}
+
+void session_handler::push_function(formula_function_t foc)
+{
+    mp_impl->m_buf << get_formula_function_name(foc);
+}
+
+void session_handler::print(const std::string& msg)
+{
+    static std::mutex mtx;
+    std::lock_guard<std::mutex> lock(mtx);
+    cout << msg;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
+