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Spreadsheet: Reimplement ranges as lazy objects instead of arrays

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Doing so makes it possible to talk about theoretically infinite ranges
like "all of column A".
This commit is contained in:
Ali Mohammad Pur 2021-11-21 03:38:10 +03:30 • committed by Ali Mohammad Pur
parent 892e585e9a
commit 91444de2cf
5 changed files with 214 additions and 51 deletions
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6
Userland/Applications/Spreadsheet/Spreadsheet.cpp
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@ -468,12 +468,14 @@ RefPtr<Sheet> Sheet::from_json(const JsonObject& object, Workbook& workbook)
return sheet;
}
Position Sheet::written_data_bounds() const
Position Sheet::written_data_bounds(Optional<size_t> column_index) const
{
Position bound;
for (auto& entry : m_cells) {
for (auto const& entry : m_cells) {
if (entry.value->data().is_empty())
continue;
if (column_index.has_value() && entry.key.column != *column_index)
continue;
if (entry.key.row >= bound.row)
bound.row = entry.key.row;
if (entry.key.column >= bound.column)