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2026-09-16 14:07:40 +08:00

121 lines
4.6 KiB
C++
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/*
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Copyright (c) 2018, Kenneth Troldal Balslev
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of the author nor the
names of any contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// ===== External Includes ===== //
#include <algorithm>
#include <pugixml.hpp>
// ===== OpenXLSX Includes ===== //
#include "XLDocument.hpp"
#include "XLSharedStrings.hpp"
using namespace OpenXLSX;
/**
* @details Constructs a new XLSharedStrings object. Only one (common) object is allowed per XLDocument instance.
* A filepath to the underlying XML file must be provided.
*/
XLSharedStrings::XLSharedStrings(XLXmlData* xmlData, std::deque<std::string> *stringCache) : XLXmlFile(xmlData), m_stringCache(stringCache)
{
}
/**
* @details
*/
XLSharedStrings::~XLSharedStrings() = default;
/**
* @details Look up a string index by the string content. If the string does not exist, the returned index is -1.
*/
int32_t XLSharedStrings::getStringIndex(const std::string& str) const
{
auto iter = std::find_if(m_stringCache->begin(), m_stringCache->end(), [&](const std::string& s) { return str == s; });
return iter == m_stringCache->end() ? -1 : static_cast<int32_t>(std::distance(m_stringCache->begin(), iter));
}
/**
* @details
*/
bool XLSharedStrings::stringExists(const std::string& str) const
{
return getStringIndex(str) >= 0;
}
/**
* @details
*/
const char* XLSharedStrings::getString(uint32_t index) const
{
return (*m_stringCache)[index].c_str();
}
/**
* @details Append a string by creating a new node in the XML file and adding the string to it. The index to the
* shared string is returned
*/
int32_t XLSharedStrings::appendString(const std::string& str)
{
auto textNode = xmlDocument().document_element().append_child("si").append_child("t");
if (str.front() == ' ' || str.back() == ' ') textNode.append_attribute("xml:space").set_value("preserve");
textNode.text().set(str.c_str());
m_stringCache->emplace_back(textNode.text().get());
return static_cast<int32_t>(std::distance(m_stringCache->begin(), m_stringCache->end()) - 1);
}
/**
* @details Clear the string at the given index. This will affect the entire spreadsheet; everywhere the shared string
* is used, it will be erased.
*/
void XLSharedStrings::clearString(uint64_t index)
{
(*m_stringCache)[index] = "";
auto iter = xmlDocument().document_element().children().begin();
std::advance(iter, index);
iter->text().set("");
}