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/* -*- 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 "document_impl.hpp"
#include <algorithm>
namespace orcus { namespace spreadsheet { namespace detail {
namespace {
class find_column_by_name
{
std::string_view m_name;
public:
find_column_by_name(std::string_view name) : m_name(name) {}
bool operator() (const table_column_t& col) const
{
return col.name == m_name;
}
};
void adjust_row_range(ixion::abs_range_t& range, const table_t& tab, ixion::table_areas_t areas)
{
bool headers = (areas & ixion::table_area_headers);
bool data = (areas & ixion::table_area_data);
bool totals = (areas & ixion::table_area_totals);
if (headers)
{
if (data)
{
if (totals)
{
// All areas.
return;
}
// Headers + data
range.last.row -= tab.totals_row_count;
return;
}
if (totals)
{
// Header + total is invalid.
range = ixion::abs_range_t(ixion::abs_range_t::invalid);
return;
}
// Headers only.
range.last.row = range.first.row;
return;
}
if (data)
{
++range.first.row;
if (totals)
{
// Data + total
return;
}
// Data only
range.last.row -= tab.totals_row_count;
return;
}
if (totals)
{
// Total only
if (!tab.totals_row_count)
{
// This table has not total rows. Return empty range.
range = ixion::abs_range_t();
return;
}
range.first.row = range.last.row - tab.totals_row_count - 1;
return;
}
// Empty range.
range = ixion::abs_range_t();
}
}
sheet_item::sheet_item(document& doc, std::string_view _name, sheet_t sheet_index) :
name(_name), data(doc, sheet_index) {}
const table_t* ixion_table_handler::find_table(const ixion::abs_address_t& pos) const
{
auto it = m_tables.begin(), it_end = m_tables.end();
for (; it != it_end; ++it)
{
const table_t* p = it->second.get();
if (p->range.contains(pos))
return p;
}
return nullptr;
}
std::string_view ixion_table_handler::get_string(ixion::string_id_t sid) const
{
if (sid == ixion::empty_string_id)
return std::string_view{};
const std::string* p = m_context.get_string(sid);
if (!p || p->empty())
return std::string_view{};
return std::string_view(p->data(), p->size());
}
col_t ixion_table_handler::find_column(const table_t& tab, std::string_view name, size_t offset) const
{
if (offset >= tab.columns.size())
return -1;
table_t::columns_type::const_iterator it_beg = tab.columns.begin();
table_t::columns_type::const_iterator it_end = tab.columns.end();
std::advance(it_beg, offset);
table_t::columns_type::const_iterator it =
std::find_if(it_beg, it_end, find_column_by_name(name));
if (it == it_end)
// not found.
return -1;
size_t dist = std::distance(tab.columns.begin(), it);
return tab.range.first.column + dist;
}
ixion::abs_range_t ixion_table_handler::get_range_from_table(
const table_t& tab, ixion::string_id_t column_first, ixion::string_id_t column_last,
ixion::table_areas_t areas) const
{
if (column_first != ixion::empty_string_id)
{
std::string_view col1_name = get_string(column_first);
if (col1_name.empty())
return ixion::abs_range_t(ixion::abs_range_t::invalid);
col_t col1_index = find_column(tab, col1_name, 0);
if (col1_index < 0)
return ixion::abs_range_t(ixion::abs_range_t::invalid);
if (column_last != ixion::empty_string_id)
{
std::string_view col2_name = get_string(column_last);
if (!col2_name.empty())
{
// column range table reference.
col_t col2_index = find_column(tab, col2_name, col1_index);
ixion::abs_range_t range = tab.range;
range.first.column = col1_index;
range.last.column = col2_index;
adjust_row_range(range, tab, areas);
return range;
}
}
// single column table reference.
ixion::abs_range_t range = tab.range;
range.first.column = range.last.column = col1_index;
adjust_row_range(range, tab, areas);
return range;
}
return ixion::abs_range_t();
}
ixion_table_handler::ixion_table_handler(const ixion::model_context& cxt, const table_store_type& tables) :
m_context(cxt), m_tables(tables) {}
ixion::abs_range_t ixion_table_handler::get_range(
const ixion::abs_address_t& pos, ixion::string_id_t column_first, ixion::string_id_t column_last,
ixion::table_areas_t areas) const
{
const table_t* tab = find_table(pos);
if (!tab)
return ixion::abs_range_t(ixion::abs_range_t::invalid);
return get_range_from_table(*tab, column_first, column_last, areas);
}
ixion::abs_range_t ixion_table_handler::get_range(
ixion::string_id_t table, ixion::string_id_t column_first, ixion::string_id_t column_last,
ixion::table_areas_t areas) const
{
std::string_view tab_name = get_string(table);
if (tab_name.empty())
// no table name given.
return ixion::abs_range_t(ixion::abs_range_t::invalid);
auto it = m_tables.find(tab_name);
if (it == m_tables.end())
// no table by this name found.
return ixion::abs_range_t(ixion::abs_range_t::invalid);
const table_t* tab = it->second.get();
return get_range_from_table(*tab, column_first, column_last, areas);
}
document_impl::document_impl(document& _doc, const range_size_t& sheet_size) :
doc(_doc),
context({sheet_size.rows, sheet_size.columns}),
styles_store(),
ss_store(context),
pivots(doc),
name_resolver_global(ixion::formula_name_resolver::get(ixion::formula_name_resolver_t::excel_a1, &context)),
grammar(formula_grammar_t::xlsx),
table_handler(context, tables)
{
context.set_table_handler(&table_handler);
}
}}}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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