xlnt/source/serialization/worksheet_serializer.cpp
2015-11-19 22:54:54 -05:00

599 lines
22 KiB
C++

#include <algorithm>
#include <cmath>
#include <sstream>
#include <xlnt/serialization/worksheet_serializer.hpp>
#include <xlnt/cell/cell.hpp>
#include <xlnt/cell/cell_reference.hpp>
#include <xlnt/serialization/xml_document.hpp>
#include <xlnt/serialization/xml_node.hpp>
#include <xlnt/workbook/workbook.hpp>
#include <xlnt/worksheet/column_properties.hpp>
#include <xlnt/worksheet/range.hpp>
#include <xlnt/worksheet/range_reference.hpp>
#include <xlnt/worksheet/row_properties.hpp>
#include <detail/constants.hpp>
namespace {
bool is_integral(long double d)
{
return d == static_cast<long long int>(d);
}
} // namepsace
namespace xlnt {
worksheet_serializer::worksheet_serializer(worksheet sheet) : sheet_(sheet)
{
}
bool worksheet_serializer::read_worksheet(const xml_document &xml)
{
auto &root_node = xml.get_child("worksheet");
auto &dimension_node = root_node.get_child("dimension");
std::string dimension = dimension_node.get_attribute("ref");
auto full_range = xlnt::range_reference(dimension);
auto sheet_data_node = root_node.get_child("sheetData");
if (root_node.has_child("mergeCells"))
{
auto merge_cells_node = root_node.get_child("mergeCells");
auto count = std::stoull(merge_cells_node.get_attribute("count"));
for (auto merge_cell_node : merge_cells_node.get_children())
{
if (merge_cell_node.get_name() != "mergeCell")
{
continue;
}
sheet_.merge_cells(range_reference(merge_cell_node.get_attribute("ref")));
count--;
}
if (count != 0)
{
throw std::runtime_error("mismatch between count and actual number of merged cells");
}
}
auto &shared_strings = sheet_.get_parent().get_shared_strings();
for (auto row_node : sheet_data_node.get_children())
{
if (row_node.get_name() != "row")
{
continue;
}
auto row_index = static_cast<row_t>(std::stoull(row_node.get_attribute("r")));
if (row_node.has_attribute("ht"))
{
sheet_.get_row_properties(row_index).height = std::stold(row_node.get_attribute("ht"));
}
std::string span_string = row_node.get_attribute("spans");
auto colon_index = span_string.find(':');
column_t min_column = 0;
column_t max_column = 0;
if (colon_index != std::string::npos)
{
min_column = static_cast<column_t::index_t>(std::stoll(span_string.substr(0, colon_index)));
max_column = static_cast<column_t::index_t>(std::stoll(span_string.substr(colon_index + 1)));
}
else
{
min_column = full_range.get_top_left().get_column_index();
max_column = full_range.get_bottom_right().get_column_index();
}
for (column_t i = min_column; i <= max_column; i++)
{
std::string address = i.column_string() + std::to_string(row_index);
xml_node cell_node;
bool cell_found = false;
for (auto &check_cell_node : row_node.get_children())
{
if (check_cell_node.get_name() != "c")
{
continue;
}
if (check_cell_node.has_attribute("r") && check_cell_node.get_attribute("r") == address)
{
cell_node = check_cell_node;
cell_found = true;
break;
}
}
if (cell_found)
{
bool has_value = cell_node.has_child("v");
std::string value_string = has_value ? cell_node.get_child("v").get_text() : "";
bool has_type = cell_node.has_attribute("t");
std::string type = has_type ? cell_node.get_attribute("t") : "";
bool has_style = cell_node.has_attribute("s");
auto style_id = static_cast<std::size_t>(has_style ? std::stoull(cell_node.get_attribute("s")) : 0LL);
bool has_formula = cell_node.has_child("f");
bool has_shared_formula = has_formula && cell_node.get_child("f").has_attribute("t") &&
cell_node.get_child("f").get_attribute("t") == "shared";
auto cell = sheet_.get_cell(address);
if (has_formula && !has_shared_formula && !sheet_.get_parent().get_data_only())
{
std::string formula = cell_node.get_child("f").get_text();
cell.set_formula(formula);
}
if (has_type && type == "inlineStr") // inline string
{
std::string inline_string = cell_node.get_child("is").get_child("t").get_text();
cell.set_value(inline_string);
}
else if (has_type && type == "s" && !has_formula) // shared string
{
auto shared_string_index = static_cast<std::size_t>(std::stoull(value_string));
auto shared_string = shared_strings.at(shared_string_index);
cell.set_value(shared_string);
}
else if (has_type && type == "b") // boolean
{
cell.set_value(value_string != "0");
}
else if (has_type && type == "str")
{
cell.set_value(value_string);
}
else if (has_value && !value_string.empty())
{
if (!value_string.empty() && value_string[0] == '#')
{
cell.set_error(value_string);
}
else
{
cell.set_value(std::stold(value_string));
}
}
if (has_style)
{
cell.set_style_id(style_id);
}
}
}
}
auto &cols_node = root_node.get_child("cols");
for (auto col_node : cols_node.get_children())
{
if (col_node.get_name() != "col")
{
continue;
}
auto min = static_cast<column_t::index_t>(std::stoull(col_node.get_attribute("min")));
auto max = static_cast<column_t::index_t>(std::stoull(col_node.get_attribute("max")));
auto width = std::stold(col_node.get_attribute("width"));
bool custom = col_node.get_attribute("customWidth") == "1";
auto column_style = static_cast<std::size_t>(col_node.has_attribute("style") ? std::stoull(col_node.get_attribute("style")) : 0);
for (auto column = min; column <= max; column++)
{
if (!sheet_.has_column_properties(column))
{
sheet_.add_column_properties(column, column_properties());
}
sheet_.get_column_properties(min).width = width;
sheet_.get_column_properties(min).style = column_style;
sheet_.get_column_properties(min).custom = custom;
}
}
if (root_node.has_child("autoFilter"))
{
auto &auto_filter_node = root_node.get_child("autoFilter");
xlnt::range_reference ref(auto_filter_node.get_attribute("ref"));
sheet_.auto_filter(ref);
}
return true;
}
xml_document worksheet_serializer::write_worksheet() const
{
xml_document xml;
auto root_node = xml.add_child("worksheet");
xml.add_namespace("", constants::Namespace("spreadsheetml"));
xml.add_namespace("r", constants::Namespace("r"));
auto sheet_pr_node = root_node.add_child("sheetPr");
auto outline_pr_node = sheet_pr_node.add_child("outlinePr");
outline_pr_node.add_attribute("summaryBelow", "1");
outline_pr_node.add_attribute("summaryRight", "1");
if (!sheet_.get_page_setup().is_default())
{
auto page_set_up_pr_node = sheet_pr_node.add_child("pageSetUpPr");
page_set_up_pr_node.add_attribute("fitToPage", sheet_.get_page_setup().fit_to_page() ? "1" : "0");
}
auto dimension_node = root_node.add_child("dimension");
dimension_node.add_attribute("ref", sheet_.calculate_dimension().to_string());
auto sheet_views_node = root_node.add_child("sheetViews");
auto sheet_view_node = sheet_views_node.add_child("sheetView");
sheet_view_node.add_attribute("workbookViewId", "0");
std::string active_pane = "bottomRight";
if (sheet_.has_frozen_panes())
{
auto pane_node = sheet_view_node.add_child("pane");
if (sheet_.get_frozen_panes().get_column_index() > 1)
{
pane_node.add_attribute("xSplit", std::to_string(sheet_.get_frozen_panes().get_column_index().index - 1));
active_pane = "topRight";
}
if (sheet_.get_frozen_panes().get_row() > 1)
{
pane_node.add_attribute("ySplit", std::to_string(sheet_.get_frozen_panes().get_row() - 1));
active_pane = "bottomLeft";
}
if (sheet_.get_frozen_panes().get_row() > 1 && sheet_.get_frozen_panes().get_column_index() > 1)
{
auto top_right_node = sheet_view_node.add_child("selection");
top_right_node.add_attribute("pane", "topRight");
auto bottom_left_node = sheet_view_node.add_child("selection");
bottom_left_node.add_attribute("pane", "bottomLeft");
active_pane = "bottomRight";
}
pane_node.add_attribute("topLeftCell", sheet_.get_frozen_panes().to_string());
pane_node.add_attribute("activePane", active_pane);
pane_node.add_attribute("state", "frozen");
}
auto selection_node = sheet_view_node.add_child("selection");
if (sheet_.has_frozen_panes())
{
if (sheet_.get_frozen_panes().get_row() > 1 && sheet_.get_frozen_panes().get_column_index() > 1)
{
selection_node.add_attribute("pane", "bottomRight");
}
else if (sheet_.get_frozen_panes().get_row() > 1)
{
selection_node.add_attribute("pane", "bottomLeft");
}
else if (sheet_.get_frozen_panes().get_column_index() > 1)
{
selection_node.add_attribute("pane", "topRight");
}
}
std::string active_cell = "A1";
selection_node.add_attribute("activeCell", active_cell);
selection_node.add_attribute("sqref", active_cell);
auto sheet_format_pr_node = root_node.add_child("sheetFormatPr");
sheet_format_pr_node.add_attribute("baseColWidth", "10");
sheet_format_pr_node.add_attribute("defaultRowHeight", "15");
bool has_column_properties = false;
for (auto column = sheet_.get_lowest_column(); column <= sheet_.get_highest_column(); column++)
{
if (sheet_.has_column_properties(column))
{
has_column_properties = true;
break;
}
}
if (has_column_properties)
{
auto cols_node = root_node.add_child("cols");
for (auto column = sheet_.get_lowest_column(); column <= sheet_.get_highest_column(); column++)
{
if(!sheet_.has_column_properties(column))
{
continue;
}
const auto &props = sheet_.get_column_properties(column);
auto col_node = cols_node.add_child("col");
col_node.add_attribute("min", std::to_string(column.index));
col_node.add_attribute("max", std::to_string(column.index));
col_node.add_attribute("width", std::to_string(props.width));
col_node.add_attribute("style", std::to_string(props.style));
col_node.add_attribute("customWidth", props.custom ? "1" : "0");
}
}
std::unordered_map<std::string, std::string> hyperlink_references;
auto sheet_data_node = root_node.add_child("sheetData");
const auto &shared_strings = sheet_.get_parent().get_shared_strings();
for (auto row : sheet_.rows())
{
row_t min = static_cast<row_t>(row.num_cells());
row_t max = 0;
bool any_non_null = false;
for (auto cell : row)
{
min = std::min(min, cell.get_column().index);
max = std::max(max, cell.get_column().index);
if (!cell.garbage_collectible())
{
any_non_null = true;
}
}
if (!any_non_null)
{
continue;
}
auto row_node = sheet_data_node.add_child("row");
row_node.add_attribute("r", std::to_string(row.front().get_row()));
row_node.add_attribute("spans", (std::to_string(min) + ":" + std::to_string(max)));
if (sheet_.has_row_properties(row.front().get_row()))
{
row_node.add_attribute("customHeight", "1");
auto height = sheet_.get_row_properties(row.front().get_row()).height;
if (height == std::floor(height))
{
row_node.add_attribute("ht", std::to_string(static_cast<long long int>(height)) + ".0");
}
else
{
row_node.add_attribute("ht", std::to_string(height));
}
}
// row_node.add_attribute("x14ac:dyDescent", 0.25);
for (auto cell : row)
{
if (!cell.garbage_collectible())
{
if (cell.has_hyperlink())
{
hyperlink_references[cell.get_hyperlink().get_id()] = cell.get_reference().to_string();
}
auto cell_node = row_node.add_child("c");
cell_node.add_attribute("r", cell.get_reference().to_string());
if (cell.get_data_type() == cell::type::string)
{
if (cell.has_formula())
{
cell_node.add_attribute("t", "str");
cell_node.add_child("f").set_text(cell.get_formula());
cell_node.add_child("v").set_text(cell.to_string());
continue;
}
int match_index = -1;
for (std::size_t i = 0; i < shared_strings.size(); i++)
{
if (shared_strings[i] == cell.get_value<std::string>())
{
match_index = static_cast<int>(i);
break;
}
}
if (match_index == -1)
{
if (cell.get_value<std::string>().empty())
{
cell_node.add_attribute("t", "s");
}
else
{
cell_node.add_attribute("t", "inlineStr");
auto inline_string_node = cell_node.add_child("is");
inline_string_node.add_child("t").set_text(cell.get_value<std::string>());
}
}
else
{
cell_node.add_attribute("t", "s");
auto value_node = cell_node.add_child("v");
value_node.set_text(std::to_string(match_index));
}
}
else
{
if (cell.get_data_type() != cell::type::null)
{
if (cell.get_data_type() == cell::type::boolean)
{
cell_node.add_attribute("t", "b");
auto value_node = cell_node.add_child("v");
value_node.set_text(cell.get_value<bool>() ? "1" : "0");
}
else if (cell.get_data_type() == cell::type::numeric)
{
if (cell.has_formula())
{
cell_node.add_child("f").set_text(cell.get_formula());
cell_node.add_child("v").set_text(cell.to_string());
continue;
}
cell_node.add_attribute("t", "n");
auto value_node = cell_node.add_child("v");
if (is_integral(cell.get_value<long double>()))
{
value_node.set_text(std::to_string(cell.get_value<long long>()));
}
else
{
std::stringstream ss;
ss.precision(20);
ss << cell.get_value<long double>();
ss.str();
value_node.set_text(ss.str());
}
}
}
else if (cell.has_formula())
{
cell_node.add_child("f").set_text(cell.get_formula());
cell_node.add_child("v");
continue;
}
}
if (cell.has_style())
{
cell_node.add_attribute("s", std::to_string(cell.get_style_id()));
}
}
}
}
if (sheet_.has_auto_filter())
{
auto auto_filter_node = root_node.add_child("autoFilter");
auto_filter_node.add_attribute("ref", sheet_.get_auto_filter().to_string());
}
if (!sheet_.get_merged_ranges().empty())
{
auto merge_cells_node = root_node.add_child("mergeCells");
merge_cells_node.add_attribute("count", std::to_string(sheet_.get_merged_ranges().size()));
for (auto merged_range : sheet_.get_merged_ranges())
{
auto merge_cell_node = merge_cells_node.add_child("mergeCell");
merge_cell_node.add_attribute("ref", merged_range.to_string());
}
}
if (!sheet_.get_relationships().empty())
{
auto hyperlinks_node = root_node.add_child("hyperlinks");
for (const auto &relationship : sheet_.get_relationships())
{
auto hyperlink_node = hyperlinks_node.add_child("hyperlink");
hyperlink_node.add_attribute("display", relationship.get_target_uri());
hyperlink_node.add_attribute("ref", hyperlink_references.at(relationship.get_id()));
hyperlink_node.add_attribute("r:id", relationship.get_id());
}
}
if (!sheet_.get_page_setup().is_default())
{
auto print_options_node = root_node.add_child("printOptions");
print_options_node.add_attribute("horizontalCentered",
sheet_.get_page_setup().get_horizontal_centered() ? "1" : "0");
print_options_node.add_attribute("verticalCentered",
sheet_.get_page_setup().get_vertical_centered() ? "1" : "0");
}
auto page_margins_node = root_node.add_child("pageMargins");
//TODO: there must be a better way to do this
auto remove_trailing_zeros = [](const std::string &n)
{
auto decimal = n.find('.');
if (decimal == std::string::npos) return n;
auto index = n.size() - 1;
while (index >= decimal && n[index] == '0')
{
index--;
}
if(index == decimal)
{
return n.substr(0, decimal);
}
return n.substr(0, index + 1);
};
page_margins_node.add_attribute("left", remove_trailing_zeros(std::to_string(sheet_.get_page_margins().get_left())));
page_margins_node.add_attribute("right", remove_trailing_zeros(std::to_string(sheet_.get_page_margins().get_right())));
page_margins_node.add_attribute("top", remove_trailing_zeros(std::to_string(sheet_.get_page_margins().get_top())));
page_margins_node.add_attribute("bottom", remove_trailing_zeros(std::to_string(sheet_.get_page_margins().get_bottom())));
page_margins_node.add_attribute("header", remove_trailing_zeros(std::to_string(sheet_.get_page_margins().get_header())));
page_margins_node.add_attribute("footer", remove_trailing_zeros(std::to_string(sheet_.get_page_margins().get_footer())));
if (!sheet_.get_page_setup().is_default())
{
auto page_setup_node = root_node.add_child("pageSetup");
std::string orientation_string =
sheet_.get_page_setup().get_orientation() == orientation::landscape ? "landscape" : "portrait";
page_setup_node.add_attribute("orientation", orientation_string);
page_setup_node.add_attribute("paperSize",
std::to_string(static_cast<int>(sheet_.get_page_setup().get_paper_size())));
page_setup_node.add_attribute("fitToHeight", sheet_.get_page_setup().fit_to_height() ? "1" : "0");
page_setup_node.add_attribute("fitToWidth", sheet_.get_page_setup().fit_to_width() ? "1" : "0");
}
if (!sheet_.get_header_footer().is_default())
{
auto header_footer_node = root_node.add_child("headerFooter");
auto odd_header_node = header_footer_node.add_child("oddHeader");
std::string header_text =
"&L&\"Calibri,Regular\"&K000000Left Header Text&C&\"Arial,Regular\"&6&K445566Center Header "
"Text&R&\"Arial,Bold\"&8&K112233Right Header Text";
odd_header_node.set_text(header_text);
auto odd_footer_node = header_footer_node.add_child("oddFooter");
std::string footer_text =
"&L&\"Times New Roman,Regular\"&10&K445566Left Footer Text_x000D_And &D and &T&C&\"Times New "
"Roman,Bold\"&12&K778899Center Footer Text &Z&F on &A&R&\"Times New Roman,Italic\"&14&KAABBCCRight Footer "
"Text &P of &N";
odd_footer_node.set_text(footer_text);
}
return xml;
}
} // namespace xlnt