mirror of
https://github.com/tfussell/xlnt.git
synced 2024-03-22 13:11:17 +08:00
652 lines
17 KiB
C++
652 lines
17 KiB
C++
#include <algorithm>
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#include <array>
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#include <fstream>
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#include <set>
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#include <sstream>
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#include <pugixml.hpp>
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#ifdef _WIN32
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#include <Windows.h>
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#endif
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#include "workbook/workbook.hpp"
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#include "common/exceptions.hpp"
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#include "drawing/drawing.hpp"
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#include "worksheet/range.hpp"
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#include "reader/reader.hpp"
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#include "common/relationship.hpp"
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#include "worksheet/worksheet.hpp"
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#include "writer/writer.hpp"
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#include "common/zip_file.hpp"
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#include "workbook/document_properties.hpp"
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#include "detail/cell_impl.hpp"
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#include "detail/workbook_impl.hpp"
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#include "detail/worksheet_impl.hpp"
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#include "writer/style_writer.hpp"
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static std::string CreateTemporaryFilename()
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{
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#ifdef _WIN32
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std::array<TCHAR, MAX_PATH> buffer;
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DWORD result = GetTempPath(static_cast<DWORD>(buffer.size()), buffer.data());
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if(result > MAX_PATH)
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{
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throw std::runtime_error("buffer is too small");
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}
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if(result == 0)
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{
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throw std::runtime_error("GetTempPath failed");
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}
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std::string directory(buffer.begin(), buffer.begin() + result);
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return directory + "xlnt.xlsx";
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#else
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return "/tmp/xlsx.xlnt";
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#endif
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}
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namespace xlnt {
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namespace detail {
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workbook_impl::workbook_impl() : active_sheet_index_(0), guess_types_(false), data_only_(false)
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{
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}
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} // namespace detail
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workbook::workbook() : d_(new detail::workbook_impl())
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{
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create_sheet("Sheet");
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create_relationship("rId2", "sharedStrings.xml", relationship::type::shared_strings);
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create_relationship("rId3", "styles.xml", relationship::type::styles);
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create_relationship("rId4", "theme/theme1.xml", relationship::type::theme);
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}
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workbook::iterator::iterator(workbook &wb, std::size_t index) : wb_(wb), index_(index)
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{
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}
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workbook::iterator::iterator(const iterator &rhs) : wb_(rhs.wb_), index_(rhs.index_)
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{
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}
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worksheet workbook::iterator::operator*()
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{
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return wb_[index_];
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}
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workbook::iterator &workbook::iterator::operator++()
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{
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index_++;
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return *this;
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}
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workbook::iterator workbook::iterator::operator++(int)
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{
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iterator old(wb_, index_);
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++*this;
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return old;
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}
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bool workbook::iterator::operator==(const iterator &comparand) const
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{
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return index_ == comparand.index_ && wb_ == comparand.wb_;
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}
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workbook::const_iterator::const_iterator(const workbook &wb, std::size_t index) : wb_(wb), index_(index)
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{
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}
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workbook::const_iterator::const_iterator(const const_iterator &rhs) : wb_(rhs.wb_), index_(rhs.index_)
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{
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}
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const worksheet workbook::const_iterator::operator*()
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{
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return wb_.get_sheet_by_index(index_);
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}
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workbook::const_iterator &workbook::const_iterator::operator++()
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{
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index_++;
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return *this;
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}
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workbook::const_iterator workbook::const_iterator::operator++(int)
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{
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const_iterator old(wb_, index_);
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++*this;
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return old;
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}
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bool workbook::const_iterator::operator==(const const_iterator &comparand) const
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{
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return index_ == comparand.index_ && wb_ == comparand.wb_;
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}
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worksheet workbook::get_sheet_by_name(const std::string &name)
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{
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for(auto &impl : d_->worksheets_)
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{
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if(impl.title_ == name)
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{
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return worksheet(&impl);
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}
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}
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return worksheet();
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}
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worksheet workbook::get_sheet_by_index(std::size_t index)
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{
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return worksheet(&d_->worksheets_[index]);
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}
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const worksheet workbook::get_sheet_by_index(std::size_t index) const
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{
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return worksheet(&d_->worksheets_.at(index));
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}
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worksheet workbook::get_active_sheet()
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{
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return worksheet(&d_->worksheets_[d_->active_sheet_index_]);
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}
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bool workbook::has_named_range(const std::string &name) const
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{
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for(auto worksheet : *this)
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{
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if(worksheet.has_named_range(name))
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{
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return true;
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}
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}
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return false;
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}
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worksheet workbook::create_sheet()
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{
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std::string title = "Sheet1";
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int index = 1;
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while(get_sheet_by_name(title) != nullptr)
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{
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title = "Sheet" + std::to_string(++index);
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}
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d_->worksheets_.push_back(detail::worksheet_impl(this, title));
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create_relationship("rId" + std::to_string(d_->relationships_.size() + 1), "worksheets/sheet" + std::to_string(d_->worksheets_.size()) + ".xml", relationship::type::worksheet);
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return worksheet(&d_->worksheets_.back());
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}
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void workbook::add_sheet(xlnt::worksheet worksheet)
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{
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for(auto ws : *this)
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{
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if(worksheet == ws)
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{
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throw std::runtime_error("worksheet already in workbook");
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}
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}
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d_->worksheets_.emplace_back(*worksheet.d_);
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}
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void workbook::add_sheet(xlnt::worksheet worksheet, std::size_t index)
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{
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add_sheet(worksheet);
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std::swap(d_->worksheets_[index], d_->worksheets_.back());
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}
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int workbook::get_index(xlnt::worksheet worksheet)
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{
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int i = 0;
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for(auto ws : *this)
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{
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if(worksheet == ws)
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{
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return i;
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}
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i++;
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}
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throw std::runtime_error("worksheet isn't owned by this workbook");
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}
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void workbook::create_named_range(const std::string &name, worksheet range_owner, const range_reference &reference)
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{
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auto match = get_sheet_by_name(range_owner.get_title());
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if(match != nullptr)
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{
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match.create_named_range(name, reference);
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return;
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}
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throw std::runtime_error("worksheet isn't owned by this workbook");
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}
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void workbook::remove_named_range(const std::string &name)
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{
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for(auto ws : *this)
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{
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if(ws.has_named_range(name))
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{
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ws.remove_named_range(name);
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return;
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}
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}
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throw std::runtime_error("named range not found");
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}
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range workbook::get_named_range(const std::string &name)
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{
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for(auto ws : *this)
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{
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if(ws.has_named_range(name))
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{
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return ws.get_named_range(name);
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}
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}
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throw std::runtime_error("named range not found");
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}
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bool workbook::load(const std::istream &stream)
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{
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std::string temp_file = CreateTemporaryFilename();
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std::ofstream tmp;
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tmp.open(temp_file, std::ios::out | std::ios::binary);
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tmp << stream.rdbuf();
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tmp.close();
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load(temp_file);
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std::remove(temp_file.c_str());
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return true;
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}
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bool workbook::load(const std::vector<unsigned char> &data)
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{
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std::string temp_file = CreateTemporaryFilename();
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std::ofstream tmp;
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tmp.open(temp_file, std::ios::out | std::ios::binary);
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for(auto c : data)
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{
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tmp.put(c);
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}
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tmp.close();
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load(temp_file);
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std::remove(temp_file.c_str());
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return true;
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}
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bool workbook::load(const std::string &filename)
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{
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zip_file f(filename, file_mode::open);
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//auto core_properties = read_core_properties();
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//auto app_properties = read_app_properties();
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auto content_types = reader::read_content_types(f);
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auto type = reader::determine_document_type(content_types);
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if(type != "excel")
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{
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throw std::runtime_error("unsupported document type: " + filename);
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}
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clear();
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auto workbook_relationships = reader::read_relationships(f, "xl/workbook.xml");
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for(auto relationship : workbook_relationships)
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{
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create_relationship(relationship.get_id(), relationship.get_target_uri(), relationship.get_type());
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}
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pugi::xml_document doc;
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doc.load(f.get_file_contents("xl/workbook.xml").c_str());
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auto root_node = doc.child("workbook");
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auto workbook_pr_node = root_node.child("workbookPr");
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get_properties().excel_base_date = (workbook_pr_node.attribute("date1904") != nullptr && workbook_pr_node.attribute("date1904").as_int() != 0) ? calendar::mac_1904 : calendar::windows_1900;
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auto sheets_node = root_node.child("sheets");
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std::vector<std::string> shared_strings;
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if(f.has_file("xl/sharedStrings.xml"))
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{
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shared_strings = xlnt::reader::read_shared_string(f.get_file_contents("xl/sharedStrings.xml"));
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}
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std::vector<int> number_format_ids;
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if(f.has_file("xl/styles.xml"))
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{
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pugi::xml_document styles_doc;
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styles_doc.load(f.get_file_contents("xl/styles.xml").c_str());
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auto stylesheet_node = styles_doc.child("styleSheet");
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auto cell_xfs_node = stylesheet_node.child("cellXfs");
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for(auto xf_node : cell_xfs_node.children("xf"))
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{
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number_format_ids.push_back(xf_node.attribute("numFmtId").as_int());
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}
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}
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for(auto sheet_node : sheets_node.children("sheet"))
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{
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std::string relation_id = sheet_node.attribute("r:id").as_string();
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auto ws = create_sheet(sheet_node.attribute("name").as_string());
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auto sheet_filename = get_relationship(relation_id).get_target_uri();
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xlnt::reader::read_worksheet(ws, f.get_file_contents(sheet_filename).c_str(), shared_strings, number_format_ids);
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}
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return true;
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}
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void workbook::set_guess_types(bool guess)
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{
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d_->guess_types_ = guess;
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}
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bool workbook::get_guess_types() const
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{
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return d_->guess_types_;
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}
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void workbook::create_relationship(const std::string &id, const std::string &target, relationship::type type)
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{
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d_->relationships_.push_back(relationship(type, id, target));
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}
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relationship workbook::get_relationship(const std::string &id) const
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{
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for(auto &rel : d_->relationships_)
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{
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if(rel.get_id() == id)
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{
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return rel;
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}
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}
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throw std::runtime_error("");
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}
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void workbook::remove_sheet(worksheet ws)
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{
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auto match_iter = std::find_if(d_->worksheets_.begin(), d_->worksheets_.end(), [=](detail::worksheet_impl &comp) { return worksheet(&comp) == ws; });
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if(match_iter == d_->worksheets_.end())
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{
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throw std::runtime_error("worksheet not owned by this workbook");
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}
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d_->worksheets_.erase(match_iter);
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}
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worksheet workbook::create_sheet(std::size_t index)
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{
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create_sheet();
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if(index != d_->worksheets_.size())
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{
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std::swap(d_->worksheets_[index], d_->worksheets_.back());
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}
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return worksheet(&d_->worksheets_[index]);
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}
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worksheet workbook::create_sheet(std::size_t index, const std::string &title)
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{
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auto ws = create_sheet(index);
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ws.set_title(title);
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return ws;
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}
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worksheet workbook::create_sheet(const std::string &title)
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{
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if(title.length() > 31)
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{
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throw sheet_title_exception(title);
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}
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if(std::find_if(title.begin(), title.end(),
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[](char c) { return c == '*' || c == ':' || c == '/' || c == '\\' || c == '?' || c == '[' || c == ']'; }) != title.end())
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{
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throw sheet_title_exception(title);
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}
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std::string unique_title = title;
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if(std::find_if(d_->worksheets_.begin(), d_->worksheets_.end(), [&](detail::worksheet_impl &ws) { return worksheet(&ws).get_title() == unique_title; }) != d_->worksheets_.end())
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{
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std::size_t suffix = 1;
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while(std::find_if(d_->worksheets_.begin(), d_->worksheets_.end(), [&](detail::worksheet_impl &ws) { return worksheet(&ws).get_title() == unique_title; }) != d_->worksheets_.end())
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{
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unique_title = title + std::to_string(suffix);
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suffix++;
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}
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}
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auto ws = create_sheet();
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ws.set_title(unique_title);
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return ws;
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}
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workbook::iterator workbook::begin()
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{
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return iterator(*this, 0);
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}
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workbook::iterator workbook::end()
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{
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return iterator(*this, d_->worksheets_.size());
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}
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workbook::const_iterator workbook::cbegin() const
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{
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return const_iterator(*this, 0);
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}
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workbook::const_iterator workbook::cend() const
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{
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return const_iterator(*this, d_->worksheets_.size());
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}
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std::vector<std::string> workbook::get_sheet_names() const
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{
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std::vector<std::string> names;
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for(auto ws : *this)
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{
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names.push_back(ws.get_title());
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}
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return names;
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}
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worksheet workbook::operator[](const std::string &name)
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{
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return get_sheet_by_name(name);
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}
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worksheet workbook::operator[](std::size_t index)
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{
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return worksheet(&d_->worksheets_[index]);
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}
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void workbook::clear()
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{
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d_->worksheets_.clear();
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d_->relationships_.clear();
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d_->active_sheet_index_ = 0;
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d_->drawings_.clear();
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d_->properties_ = document_properties();
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}
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bool workbook::save(std::vector<unsigned char> &data)
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{
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auto temp_file = CreateTemporaryFilename();
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save(temp_file);
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std::ifstream tmp;
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tmp.open(temp_file, std::ios::in | std::ios::binary);
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auto char_data = std::vector<char>((std::istreambuf_iterator<char>(tmp)),
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std::istreambuf_iterator<char>());
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data = std::vector<unsigned char>(char_data.begin(), char_data.end());
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tmp.close();
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std::remove(temp_file.c_str());
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return true;
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}
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bool workbook::save(const std::string &filename)
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{
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zip_file f(filename, file_mode::create, file_access::write);
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f.set_file_contents("[Content_Types].xml", writer::write_content_types(*this));
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f.set_file_contents("docProps/app.xml", writer::write_properties_app(*this));
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f.set_file_contents("docProps/core.xml", writer::write_properties_core(get_properties()));
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std::set<std::string> shared_strings_set;
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for(auto ws : *this)
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{
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for(auto row : ws.rows())
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{
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for(auto cell : row)
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{
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if(cell.get_value().is(value::type::string))
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{
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shared_strings_set.insert(cell.get_value().get<std::string>());
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}
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}
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}
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}
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std::vector<std::string> shared_strings(shared_strings_set.begin(), shared_strings_set.end());
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f.set_file_contents("xl/sharedStrings.xml", writer::write_shared_strings(shared_strings));
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f.set_file_contents("xl/theme/theme1.xml", writer::write_theme());
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f.set_file_contents("xl/styles.xml", style_writer(*this).write_table());
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f.set_file_contents("_rels/.rels", writer::write_root_rels());
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f.set_file_contents("xl/_rels/workbook.xml.rels", writer::write_workbook_rels(*this));
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f.set_file_contents("xl/workbook.xml", writer::write_workbook(*this));
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for(auto relationship : d_->relationships_)
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{
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if(relationship.get_type() == relationship::type::worksheet)
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{
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std::string sheet_index_string = relationship.get_target_uri().substr(16);
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std::size_t sheet_index = std::stoi(sheet_index_string.substr(0, sheet_index_string.find('.'))) - 1;
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std::string sheet_uri = "xl/" + relationship.get_target_uri();
|
|
auto ws = get_sheet_by_index(sheet_index);
|
|
f.set_file_contents(sheet_uri, writer::write_worksheet(ws, shared_strings));
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool workbook::operator==(std::nullptr_t) const
|
|
{
|
|
return d_.get() == nullptr;
|
|
}
|
|
|
|
bool workbook::operator==(const workbook &rhs) const
|
|
{
|
|
return d_.get() == rhs.d_.get();
|
|
}
|
|
|
|
std::vector<relationship> xlnt::workbook::get_relationships() const
|
|
{
|
|
return d_->relationships_;
|
|
}
|
|
|
|
std::vector<content_type> xlnt::workbook::get_content_types() const
|
|
{
|
|
std::vector<content_type> content_types;
|
|
content_types.push_back({ true, "xml", "", "application/xml" });
|
|
content_types.push_back({ true, "rels", "", "application/vnd.openxmlformats-package.relationships+xml" });
|
|
content_types.push_back({ false, "", "/xl/workbook.xml", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml" });
|
|
for(std::size_t i = 0; i < get_sheet_names().size(); i++)
|
|
{
|
|
content_types.push_back({false, "", "/xl/worksheets/sheet" + std::to_string(i + 1) + ".xml", "application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"});
|
|
}
|
|
content_types.push_back({false, "", "/xl/theme/theme1.xml", "application/vnd.openxmlformats-officedocument.theme+xml"});
|
|
content_types.push_back({false, "", "/xl/styles.xml", "application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml"});
|
|
content_types.push_back({false, "", "/xl/sharedStrings.xml", "application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml"});
|
|
content_types.push_back({false, "", "/docProps/core.xml", "application/vnd.openxmlformats-package.core-properties+xml"});
|
|
content_types.push_back({false, "", "/docProps/app.xml", "application/vnd.openxmlformats-officedocument.extended-properties+xml"});
|
|
return content_types;
|
|
}
|
|
|
|
document_properties &workbook::get_properties()
|
|
{
|
|
return d_->properties_;
|
|
}
|
|
|
|
const document_properties &workbook::get_properties() const
|
|
{
|
|
return d_->properties_;
|
|
}
|
|
|
|
void swap(workbook &left, workbook &right)
|
|
{
|
|
using std::swap;
|
|
swap(left.d_, right.d_);
|
|
|
|
for(auto ws : left)
|
|
{
|
|
ws.set_parent(left);
|
|
}
|
|
|
|
for(auto ws : right)
|
|
{
|
|
ws.set_parent(right);
|
|
}
|
|
}
|
|
|
|
workbook &workbook::operator=(workbook other)
|
|
{
|
|
swap(*this, other);
|
|
return *this;
|
|
}
|
|
|
|
workbook::workbook(workbook &&other) : workbook()
|
|
{
|
|
swap(*this, other);
|
|
}
|
|
|
|
workbook::workbook(const workbook &other) : workbook()
|
|
{
|
|
*d_.get() = *other.d_.get();
|
|
|
|
for(auto ws : *this)
|
|
{
|
|
ws.set_parent(*this);
|
|
}
|
|
}
|
|
|
|
bool workbook::get_data_only() const
|
|
{
|
|
return d_->data_only_;
|
|
}
|
|
|
|
void workbook::set_data_only(bool data_only)
|
|
{
|
|
d_->data_only_ = data_only;
|
|
}
|
|
|
|
}
|