mirror of https://github.com/tfussell/xlnt
552 lines
16 KiB
C++
552 lines
16 KiB
C++
// Copyright (c) 2014-2018 Thomas Fussell
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// Copyright (c) 2010-2015 openpyxl
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, WRISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE
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//
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// @license: http://www.opensource.org/licenses/mit-license.php
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// @author: see AUTHORS file
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#pragma once
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#include <list>
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#include <string>
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#include <vector>
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#include <detail/implementations/conditional_format_impl.hpp>
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#include <detail/implementations/format_impl.hpp>
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#include <detail/implementations/style_impl.hpp>
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#include <xlnt/cell/cell.hpp>
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#include <xlnt/styles/conditional_format.hpp>
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#include <xlnt/styles/format.hpp>
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#include <xlnt/styles/style.hpp>
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#include <xlnt/utils/exceptions.hpp>
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#include <xlnt/workbook/workbook.hpp>
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#include <xlnt/workbook/worksheet_iterator.hpp>
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#include <xlnt/worksheet/worksheet.hpp>
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namespace xlnt {
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namespace detail {
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struct stylesheet
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{
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class format create_format(bool default_format)
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{
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format_impls.push_back(format_impl());
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auto &impl = format_impls.back();
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impl.parent = this;
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impl.id = format_impls.size() - 1;
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impl.border_id = 0;
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impl.fill_id = 0;
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impl.font_id = 0;
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impl.number_format_id = 0;
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impl.references = default_format ? 1 : 0;
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return xlnt::format(&impl);
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}
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class xlnt::format format(std::size_t index)
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{
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auto iter = format_impls.begin();
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std::advance(iter, static_cast<std::list<format_impl>::difference_type>(index));
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return xlnt::format(&*iter);
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}
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class style create_style(const std::string &name)
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{
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auto &impl = style_impls.emplace(name, style_impl()).first->second;
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impl.parent = this;
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impl.name = name;
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impl.border_id = 0;
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impl.fill_id = 0;
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impl.font_id = 0;
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impl.number_format_id = 0;
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style_names.push_back(name);
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return xlnt::style(&impl);
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}
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class style create_builtin_style(const std::size_t builtin_id)
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{
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// From Annex G.2
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static const auto *names = new std::unordered_map<std::size_t , std::string>
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{
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{ 0, "Normal" },
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{ 1, "RowLevel_1" },
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{ 2, "ColLevel_1" },
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{ 3, "Comma" },
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{ 4, "Currency" },
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{ 5, "Percent" },
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{ 6, "Comma [0]" },
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{ 7, "Currency [0]" },
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{ 8, "Hyperlink" },
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{ 9, "Followed Hyperlink" },
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{ 10, "Note" },
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{ 11, "Warning Text" },
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{ 15, "Title" },
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{ 16, "Heading 1" },
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{ 17, "Heading 2" },
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{ 18, "Heading 3" },
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{ 19, "Heading 4" },
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{ 20, "Input" },
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{ 21, "Output"},
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{ 22, "Calculation"},
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{ 22, "Calculation" },
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{ 23, "Check Cell" },
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{ 24, "Linked Cell" },
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{ 25, "Total" },
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{ 26, "Good" },
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{ 27, "Bad" },
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{ 28, "Neutral" },
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{ 29, "Accent1" },
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{ 30, "20% - Accent1" },
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{ 31, "40% - Accent1" },
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{ 32, "60% - Accent1" },
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{ 33, "Accent2" },
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{ 34, "20% - Accent2" },
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{ 35, "40% - Accent2" },
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{ 36, "60% - Accent2" },
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{ 37, "Accent3" },
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{ 38, "20% - Accent3" },
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{ 39, "40% - Accent3" },
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{ 40, "60% - Accent3" },
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{ 41, "Accent4" },
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{ 42, "20% - Accent4" },
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{ 43, "40% - Accent4" },
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{ 44, "60% - Accent4" },
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{ 45, "Accent5" },
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{ 46, "20% - Accent5" },
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{ 47, "40% - Accent5" },
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{ 48, "60% - Accent5" },
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{ 49, "Accent6" },
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{ 50, "20% - Accent6" },
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{ 51, "40% - Accent6" },
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{ 52, "60% - Accent6" },
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{ 53, "Explanatory Text" }
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};
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auto new_style = create_style(names->at(builtin_id));
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new_style.d_->builtin_id = builtin_id;
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return new_style;
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}
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class style style(const std::string &name)
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{
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if (!has_style(name)) throw key_not_found();
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return xlnt::style(&style_impls[name]);
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}
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bool has_style(const std::string &name)
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{
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return style_impls.count(name) > 0;
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}
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std::size_t next_custom_number_format_id() const
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{
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std::size_t id = 164;
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for (const auto &nf : number_formats)
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{
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if (nf.id() >= id)
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{
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id = nf.id() + 1;
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}
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}
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return id;
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}
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template<typename T, typename C>
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std::size_t find_or_add(C &container, const T &item, bool *added = nullptr)
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{
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if (added != nullptr)
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{
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*added = false;
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}
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std::size_t i = 0;
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for (auto iter = container.begin(); iter != container.end(); ++iter)
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{
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if (*iter == item)
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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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if (added != nullptr)
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{
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*added = true;
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}
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container.emplace(container.end(), item);
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return container.size() - 1;
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}
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template<typename T>
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std::unordered_map<std::size_t, std::size_t> garbage_collect(
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const std::unordered_map<std::size_t, std::size_t> &reference_counts,
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std::vector<T> &container)
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{
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std::unordered_map<std::size_t, std::size_t> id_map;
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std::size_t unreferenced = 0;
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const auto original_size = container.size();
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for (std::size_t i = 0; i < original_size; ++i)
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{
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id_map[i] = i - unreferenced;
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if (reference_counts.count(i) == 0 || reference_counts.at(i) == 0)
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{
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container.erase(container.begin() + static_cast<typename std::vector<T>::difference_type>(i - unreferenced));
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unreferenced++;
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}
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}
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return id_map;
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}
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void garbage_collect()
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{
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if (!garbage_collection_enabled) return;
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auto format_iter = format_impls.begin();
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while (format_iter != format_impls.end())
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{
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auto &impl = *format_iter;
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if (impl.references != 0)
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{
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++format_iter;
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}
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else
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{
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format_iter = format_impls.erase(format_iter);
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}
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}
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std::size_t new_id = 0;
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std::unordered_map<std::size_t, std::size_t> alignment_reference_counts;
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std::unordered_map<std::size_t, std::size_t> border_reference_counts;
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std::unordered_map<std::size_t, std::size_t> fill_reference_counts;
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std::unordered_map<std::size_t, std::size_t> font_reference_counts;
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std::unordered_map<std::size_t, std::size_t> number_format_reference_counts;
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std::unordered_map<std::size_t, std::size_t> protection_reference_counts;
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fill_reference_counts[0]++;
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fill_reference_counts[1]++;
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for (auto &impl : format_impls)
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{
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impl.id = new_id++;
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if (impl.alignment_id.is_set())
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{
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alignment_reference_counts[impl.alignment_id.get()]++;
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}
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if (impl.border_id.is_set())
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{
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border_reference_counts[impl.border_id.get()]++;
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}
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if (impl.fill_id.is_set())
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{
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fill_reference_counts[impl.fill_id.get()]++;
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}
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if (impl.font_id.is_set())
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{
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font_reference_counts[impl.font_id.get()]++;
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}
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if (impl.number_format_id.is_set())
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{
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number_format_reference_counts[impl.number_format_id.get()]++;
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}
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if (impl.protection_id.is_set())
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{
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protection_reference_counts[impl.protection_id.get()]++;
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}
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}
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for (auto &name_impl_pair : style_impls)
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{
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auto &impl = name_impl_pair.second;
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if (impl.alignment_id.is_set())
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{
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alignment_reference_counts[impl.alignment_id.get()]++;
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}
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if (impl.border_id.is_set())
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{
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border_reference_counts[impl.border_id.get()]++;
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}
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if (impl.fill_id.is_set())
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{
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fill_reference_counts[impl.fill_id.get()]++;
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}
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if (impl.font_id.is_set())
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{
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font_reference_counts[impl.font_id.get()]++;
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}
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if (impl.number_format_id.is_set())
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{
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number_format_reference_counts[impl.number_format_id.get()]++;
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}
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if (impl.protection_id.is_set())
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{
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protection_reference_counts[impl.protection_id.get()]++;
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}
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}
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auto alignment_id_map = garbage_collect(alignment_reference_counts, alignments);
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auto border_id_map = garbage_collect(border_reference_counts, borders);
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auto fill_id_map = garbage_collect(fill_reference_counts, fills);
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auto font_id_map = garbage_collect(font_reference_counts, fonts);
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auto protection_id_map = garbage_collect(protection_reference_counts, protections);
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for (auto &impl : format_impls)
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{
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if (impl.alignment_id.is_set())
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{
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impl.alignment_id = alignment_id_map[impl.alignment_id.get()];
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}
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if (impl.border_id.is_set())
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{
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impl.border_id = border_id_map[impl.border_id.get()];
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}
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if (impl.fill_id.is_set())
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{
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impl.fill_id = fill_id_map[impl.fill_id.get()];
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}
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if (impl.font_id.is_set())
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{
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impl.font_id = font_id_map[impl.font_id.get()];
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}
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if (impl.protection_id.is_set())
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{
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impl.protection_id = protection_id_map[impl.protection_id.get()];
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}
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}
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for (auto &name_impl : style_impls)
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{
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auto &impl = name_impl.second;
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if (impl.alignment_id.is_set())
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{
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impl.alignment_id = alignment_id_map[impl.alignment_id.get()];
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}
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if (impl.border_id.is_set())
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{
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impl.border_id = border_id_map[impl.border_id.get()];
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}
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if (impl.fill_id.is_set())
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{
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impl.fill_id = fill_id_map[impl.fill_id.get()];
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}
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if (impl.font_id.is_set())
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{
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impl.font_id = font_id_map[impl.font_id.get()];
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}
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if (impl.protection_id.is_set())
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{
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impl.protection_id = protection_id_map[impl.protection_id.get()];
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}
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}
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}
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format_impl *find_or_create(format_impl &pattern)
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{
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auto iter = format_impls.begin();
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bool added = false;
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auto id = find_or_add(format_impls, pattern, &added);
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std::advance(iter, static_cast<std::list<format_impl>::difference_type>(id));
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auto &result = *iter;
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if (added)
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{
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result.references = 0;
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}
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result.parent = this;
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result.id = id;
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result.references++;
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if (id != pattern.id)
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{
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pattern.references -= pattern.references > 0 ? 1 : 0;
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garbage_collect();
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}
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return &result;
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}
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format_impl *find_or_create_with(format_impl *pattern, const std::string &style_name)
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{
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format_impl new_format = *pattern;
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new_format.style = style_name;
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return find_or_create(new_format);
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}
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format_impl *find_or_create_with(format_impl *pattern, const alignment &new_alignment, bool applied)
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{
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format_impl new_format = *pattern;
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new_format.alignment_id = find_or_add(alignments, new_alignment);
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new_format.alignment_applied = applied;
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return find_or_create(new_format);
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}
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format_impl *find_or_create_with(format_impl *pattern, const border &new_border, bool applied)
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{
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format_impl new_format = *pattern;
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new_format.border_id = find_or_add(borders, new_border);
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new_format.border_applied = applied;
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return find_or_create(new_format);
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}
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format_impl *find_or_create_with(format_impl *pattern, const fill &new_fill, bool applied)
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{
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format_impl new_format = *pattern;
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new_format.fill_id = find_or_add(fills, new_fill);
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new_format.fill_applied = applied;
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return find_or_create(new_format);
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}
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format_impl *find_or_create_with(format_impl *pattern, const font &new_font, bool applied)
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{
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format_impl new_format = *pattern;
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new_format.font_id = find_or_add(fonts, new_font);
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new_format.font_applied = applied;
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return find_or_create(new_format);
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}
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format_impl *find_or_create_with(format_impl *pattern, const number_format &new_number_format, bool applied)
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{
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format_impl new_format = *pattern;
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if (new_number_format.id() >= 164)
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{
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find_or_add(number_formats, new_number_format);
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}
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new_format.number_format_id = new_number_format.id();
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new_format.number_format_applied = applied;
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return find_or_create(new_format);
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}
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format_impl *find_or_create_with(format_impl *pattern, const protection &new_protection, bool applied)
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{
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format_impl new_format = *pattern;
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new_format.protection_id = find_or_add(protections, new_protection);
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new_format.protection_applied = applied;
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return find_or_create(new_format);
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}
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std::size_t style_index(const std::string &name) const
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{
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return static_cast<std::size_t>(std::distance(style_names.begin(),
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std::find(style_names.begin(), style_names.end(), name)));
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}
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void clear()
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{
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conditional_format_impls.clear();
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format_impls.clear();
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style_impls.clear();
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style_names.clear();
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alignments.clear();
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borders.clear();
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fills.clear();
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fonts.clear();
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number_formats.clear();
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protections.clear();
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colors.clear();
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}
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conditional_format add_conditional_format_rule(worksheet_impl *ws, const range_reference &ref, const condition &when)
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{
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conditional_format_impls.push_back(conditional_format_impl());
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auto &impl = conditional_format_impls.back();
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impl.when = when;
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impl.parent = this;
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impl.target_sheet = ws;
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impl.target_range = ref;
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impl.differential_format_id = conditional_format_impls.size() - 1;
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return xlnt::conditional_format(&impl);
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}
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workbook *parent;
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bool garbage_collection_enabled = true;
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std::list<conditional_format_impl> conditional_format_impls;
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std::list<format_impl> format_impls;
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std::unordered_map<std::string, style_impl> style_impls;
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std::vector<std::string> style_names;
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std::vector<alignment> alignments;
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std::vector<border> borders;
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std::vector<fill> fills;
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std::vector<font> fonts;
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std::vector<number_format> number_formats;
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std::vector<protection> protections;
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std::vector<color> colors;
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};
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} // namespace detail
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} // namespace xlnt
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