1 files changed, 95 insertions, 0 deletions
diff --git a/src/spreadsheet/json_dumper.cpp b/src/spreadsheet/json_dumper.cpp
new file mode 100644
index 0000000..3fe6184
--- /dev/null
+++ b/src/spreadsheet/json_dumper.cpp
@@ -0,0 +1,95 @@
+/* -*- 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 "json_dumper.hpp"
+#include "dumper_global.hpp"
+
+#include "orcus/json_global.hpp"
+#include "orcus/spreadsheet/document.hpp"
+
+#include <ixion/model_context.hpp>
+#include <ixion/formula_name_resolver.hpp>
+
+#include <fstream>
+#include <sstream>
+#include <iostream>
+
+namespace orcus { namespace spreadsheet { namespace detail {
+
+json_dumper::json_dumper(const document& doc) : m_doc(doc) {}
+
+void json_dumper::dump(std::ostream& os, ixion::sheet_t sheet_id) const
+{
+    const ixion::model_context& cxt = m_doc.get_model_context();
+    ixion::abs_range_t data_range = cxt.get_data_range(sheet_id);
+    if (!data_range.valid())
+        return;
+
+    ixion::abs_rc_range_t iter_range;
+    iter_range.first.column = 0;
+    iter_range.first.row = 0;
+    iter_range.last.column = data_range.last.column;
+    iter_range.last.row = data_range.last.row;
+
+    auto iter = cxt.get_model_iterator(
+        sheet_id, ixion::rc_direction_t::horizontal, iter_range);
+
+    std::vector<std::string> column_labels;
+    column_labels.reserve(data_range.last.column+1);
+
+    // Get the column labels.
+    auto resolver = ixion::formula_name_resolver::get(ixion::formula_name_resolver_t::excel_a1, &cxt);
+    for (ixion::col_t i = 0; i <= data_range.last.column; ++i)
+        column_labels.emplace_back(resolver->get_column_name(i));
+
+    os << "[" << std::endl;
+
+    ixion::row_t row = iter.get().row;
+    ixion::col_t col = iter.get().col;
+    assert(row == 0);
+    assert(col == 0);
+
+    os << "    {";
+    os << "\"" << column_labels[col] << "\": ";
+
+    func_str_handler str_handler = [](std::ostream& _os, const std::string& s)
+    {
+        _os << '"' << json::escape_string(s) << '"';
+    };
+
+    func_empty_handler empty_handler = [](std::ostream& _os) { _os << "null"; };
+
+    dump_cell_value(os, cxt, iter.get(), str_handler, empty_handler);
+
+    ixion::row_t last_row = row;
+
+    for (iter.next(); iter.has(); iter.next())
+    {
+        const auto& cell = iter.get();
+        ixion::row_t this_row = cell.row;
+        ixion::col_t this_col = cell.col;
+
+        if (this_row > last_row)
+            os << "}," << std::endl;
+
+        if (this_col == 0)
+            os << "    {";
+        else
+            os << ", ";
+
+        os << "\"" << column_labels.at(this_col) << "\": ";
+
+        dump_cell_value(os, cxt, cell, str_handler, empty_handler);
+        last_row = this_row;
+    }
+
+    os << "}" << std::endl << "]" << std::endl;
+}
+
+}}}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */