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382 lines
14 KiB
382 lines
14 KiB
// xlsxsharedstrings.cpp
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#include <QtGlobal>
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#include <QXmlStreamWriter>
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#include <QXmlStreamReader>
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#include <QDir>
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#include <QFile>
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#include <QDebug>
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#include <QBuffer>
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#include "xlsxrichstring.h"
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#include "xlsxsharedstrings_p.h"
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#include "xlsxutility_p.h"
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#include "xlsxformat_p.h"
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#include "xlsxcolor_p.h"
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QT_BEGIN_NAMESPACE_XLSX
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/*
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* Note that, when we open an existing .xlsx file (broken file?),
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* duplicated string items may exist in the shared string table.
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*
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* In such case, the size of stringList will larger than stringTable.
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* Duplicated items can be removed once we loaded all the worksheets.
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*/
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SharedStrings::SharedStrings(CreateFlag flag)
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:AbstractOOXmlFile(flag)
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{
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m_stringCount = 0;
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}
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int SharedStrings::count() const
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{
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return m_stringCount;
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}
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bool SharedStrings::isEmpty() const
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{
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return m_stringList.isEmpty();
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}
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int SharedStrings::addSharedString(const QString &string)
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{
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return addSharedString(RichString(string));
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}
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int SharedStrings::addSharedString(const RichString &string)
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{
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m_stringCount += 1;
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auto it = m_stringTable.find(string);
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if (it != m_stringTable.end()) {
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it->count += 1;
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return it->index;
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}
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int index = m_stringList.size();
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m_stringTable[string] = XlsxSharedStringInfo(index);
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m_stringList.append(string);
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return index;
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}
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void SharedStrings::incRefByStringIndex(int idx)
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{
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if (idx <0 || idx >= m_stringList.size()) {
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qDebug("SharedStrings: invlid index");
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return;
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}
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addSharedString(m_stringList[idx]);
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}
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/*
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* Broken, don't use.
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*/
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void SharedStrings::removeSharedString(const QString &string)
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{
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removeSharedString(RichString(string));
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}
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/*
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* Broken, don't use.
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*/
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void SharedStrings::removeSharedString(const RichString &string)
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{
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auto it = m_stringTable.find(string);
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if (it == m_stringTable.end())
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return;
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m_stringCount -= 1;
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it->count -= 1;
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if (it->count <= 0) {
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for (int i=it->index+1; i<m_stringList.size(); ++i)
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m_stringTable[m_stringList[i]].index -= 1;
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m_stringList.removeAt(it->index);
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m_stringTable.remove(string);
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}
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}
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int SharedStrings::getSharedStringIndex(const QString &string) const
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{
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return getSharedStringIndex(RichString(string));
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}
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int SharedStrings::getSharedStringIndex(const RichString &string) const
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{
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auto it = m_stringTable.constFind(string);
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if (it != m_stringTable.constEnd())
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return it->index;
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return -1;
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}
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RichString SharedStrings::getSharedString(int index) const
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{
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if (index < m_stringList.count() && index >= 0)
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return m_stringList[index];
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return RichString();
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}
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QList<RichString> SharedStrings::getSharedStrings() const
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{
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return m_stringList;
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}
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void SharedStrings::writeRichStringPart_rPr(QXmlStreamWriter &writer, const Format &format) const
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{
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if (!format.hasFontData())
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return;
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if (format.fontBold())
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writer.writeEmptyElement(QStringLiteral("b"));
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if (format.fontItalic())
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writer.writeEmptyElement(QStringLiteral("i"));
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if (format.fontStrikeOut())
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writer.writeEmptyElement(QStringLiteral("strike"));
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if (format.fontOutline())
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writer.writeEmptyElement(QStringLiteral("outline"));
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if (format.boolProperty(FormatPrivate::P_Font_Shadow))
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writer.writeEmptyElement(QStringLiteral("shadow"));
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if (format.hasProperty(FormatPrivate::P_Font_Underline)) {
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Format::FontUnderline u = format.fontUnderline();
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if (u != Format::FontUnderlineNone) {
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writer.writeEmptyElement(QStringLiteral("u"));
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if (u== Format::FontUnderlineDouble)
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writer.writeAttribute(QStringLiteral("val"), QStringLiteral("double"));
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else if (u == Format::FontUnderlineSingleAccounting)
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writer.writeAttribute(QStringLiteral("val"), QStringLiteral("singleAccounting"));
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else if (u == Format::FontUnderlineDoubleAccounting)
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writer.writeAttribute(QStringLiteral("val"), QStringLiteral("doubleAccounting"));
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}
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}
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if (format.hasProperty(FormatPrivate::P_Font_Script)) {
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Format::FontScript s = format.fontScript();
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if (s != Format::FontScriptNormal) {
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writer.writeEmptyElement(QStringLiteral("vertAlign"));
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if (s == Format::FontScriptSuper)
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writer.writeAttribute(QStringLiteral("val"), QStringLiteral("superscript"));
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else
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writer.writeAttribute(QStringLiteral("val"), QStringLiteral("subscript"));
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}
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}
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if (format.hasProperty(FormatPrivate::P_Font_Size)) {
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writer.writeEmptyElement(QStringLiteral("sz"));
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writer.writeAttribute(QStringLiteral("val"), QString::number(format.fontSize()));
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}
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if (format.hasProperty(FormatPrivate::P_Font_Color)) {
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XlsxColor color = format.property(FormatPrivate::P_Font_Color).value<XlsxColor>();
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color.saveToXml(writer);
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}
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if (!format.fontName().isEmpty()) {
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writer.writeEmptyElement(QStringLiteral("rFont"));
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writer.writeAttribute(QStringLiteral("val"), format.fontName());
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}
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if (format.hasProperty(FormatPrivate::P_Font_Family)) {
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writer.writeEmptyElement(QStringLiteral("family"));
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writer.writeAttribute(QStringLiteral("val"), QString::number(format.intProperty(FormatPrivate::P_Font_Family)));
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}
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if (format.hasProperty(FormatPrivate::P_Font_Scheme)) {
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writer.writeEmptyElement(QStringLiteral("scheme"));
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writer.writeAttribute(QStringLiteral("val"), format.stringProperty(FormatPrivate::P_Font_Scheme));
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}
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}
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void SharedStrings::saveToXmlFile(QIODevice *device) const
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{
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QXmlStreamWriter writer(device);
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if (m_stringList.size() != m_stringTable.size()) {
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//Duplicated string items exist in m_stringList
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//Clean up can not be done here, as the indices
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//have been used when we save the worksheets part.
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}
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writer.writeStartDocument(QStringLiteral("1.0"), true);
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writer.writeStartElement(QStringLiteral("sst"));
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writer.writeAttribute(QStringLiteral("xmlns"), QStringLiteral("http://schemas.openxmlformats.org/spreadsheetml/2006/main"));
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writer.writeAttribute(QStringLiteral("count"), QString::number(m_stringCount));
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writer.writeAttribute(QStringLiteral("uniqueCount"), QString::number(m_stringList.size()));
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for (const RichString &string : m_stringList) {
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writer.writeStartElement(QStringLiteral("si"));
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if (string.isRichString()) {
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//Rich text string
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for (int i=0; i<string.fragmentCount(); ++i) {
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writer.writeStartElement(QStringLiteral("r"));
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if (string.fragmentFormat(i).hasFontData()) {
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writer.writeStartElement(QStringLiteral("rPr"));
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writeRichStringPart_rPr(writer, string.fragmentFormat(i));
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writer.writeEndElement();// rPr
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}
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writer.writeStartElement(QStringLiteral("t"));
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if (isSpaceReserveNeeded(string.fragmentText(i)))
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writer.writeAttribute(QStringLiteral("xml:space"), QStringLiteral("preserve"));
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writer.writeCharacters(string.fragmentText(i));
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writer.writeEndElement();// t
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writer.writeEndElement(); //r
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}
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} else {
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writer.writeStartElement(QStringLiteral("t"));
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QString pString = string.toPlainString();
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if (isSpaceReserveNeeded(pString))
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writer.writeAttribute(QStringLiteral("xml:space"), QStringLiteral("preserve"));
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writer.writeCharacters(pString);
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writer.writeEndElement();//t
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}
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writer.writeEndElement();//si
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}
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writer.writeEndElement(); //sst
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writer.writeEndDocument();
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}
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void SharedStrings::readString(QXmlStreamReader &reader)
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{
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Q_ASSERT(reader.name() == QLatin1String("si"));
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RichString richString;
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while (!reader.atEnd() && !(reader.name() == QLatin1String("si") && reader.tokenType() == QXmlStreamReader::EndElement)) {
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reader.readNextStartElement();
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if (reader.tokenType() == QXmlStreamReader::StartElement) {
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if (reader.name() == QLatin1String("r"))
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readRichStringPart(reader, richString);
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else if (reader.name() == QLatin1String("t"))
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readPlainStringPart(reader, richString);
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}
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}
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int idx = m_stringList.size();
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m_stringTable[richString] = XlsxSharedStringInfo(idx, 0);
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m_stringList.append(richString);
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}
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void SharedStrings::readRichStringPart(QXmlStreamReader &reader, RichString &richString)
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{
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Q_ASSERT(reader.name() == QLatin1String("r"));
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QString text;
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Format format;
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while (!reader.atEnd() && !(reader.name() == QLatin1String("r") && reader.tokenType() == QXmlStreamReader::EndElement)) {
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reader.readNextStartElement();
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if (reader.tokenType() == QXmlStreamReader::StartElement) {
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if (reader.name() == QLatin1String("rPr")) {
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format = readRichStringPart_rPr(reader);
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} else if (reader.name() == QLatin1String("t")) {
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text = reader.readElementText();
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}
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}
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}
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richString.addFragment(text, format);
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}
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void SharedStrings::readPlainStringPart(QXmlStreamReader &reader, RichString &richString)
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{
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Q_ASSERT(reader.name() == QLatin1String("t"));
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//QXmlStreamAttributes attributes = reader.attributes();
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// NOTICE: CHECK POINT
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QString text = reader.readElementText();
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richString.addFragment(text, Format());
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}
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Format SharedStrings::readRichStringPart_rPr(QXmlStreamReader &reader)
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{
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Q_ASSERT(reader.name() == QLatin1String("rPr"));
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Format format;
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while (!reader.atEnd() && !(reader.name() == QLatin1String("rPr") && reader.tokenType() == QXmlStreamReader::EndElement)) {
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reader.readNextStartElement();
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if (reader.tokenType() == QXmlStreamReader::StartElement) {
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QXmlStreamAttributes attributes = reader.attributes();
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if (reader.name() == QLatin1String("rFont")) {
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format.setFontName(attributes.value(QLatin1String("val")).toString());
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} else if (reader.name() == QLatin1String("charset")) {
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format.setProperty(FormatPrivate::P_Font_Charset, attributes.value(QLatin1String("val")).toInt());
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} else if (reader.name() == QLatin1String("family")) {
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format.setProperty(FormatPrivate::P_Font_Family, attributes.value(QLatin1String("val")).toInt());
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} else if (reader.name() == QLatin1String("b")) {
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format.setFontBold(true);
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} else if (reader.name() == QLatin1String("i")) {
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format.setFontItalic(true);
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} else if (reader.name() == QLatin1String("strike")) {
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format.setFontStrikeOut(true);
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} else if (reader.name() == QLatin1String("outline")) {
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format.setFontOutline(true);
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} else if (reader.name() == QLatin1String("shadow")) {
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format.setProperty(FormatPrivate::P_Font_Shadow, true);
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} else if (reader.name() == QLatin1String("condense")) {
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format.setProperty(FormatPrivate::P_Font_Condense, attributes.value(QLatin1String("val")).toInt());
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} else if (reader.name() == QLatin1String("extend")) {
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format.setProperty(FormatPrivate::P_Font_Extend, attributes.value(QLatin1String("val")).toInt());
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} else if (reader.name() == QLatin1String("color")) {
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XlsxColor color;
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color.loadFromXml(reader);
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format.setProperty(FormatPrivate::P_Font_Color, color);
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} else if (reader.name() == QLatin1String("sz")) {
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format.setFontSize(attributes.value(QLatin1String("val")).toInt());
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} else if (reader.name() == QLatin1String("u")) {
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QString value = attributes.value(QLatin1String("val")).toString();
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if (value == QLatin1String("double"))
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format.setFontUnderline(Format::FontUnderlineDouble);
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else if (value == QLatin1String("doubleAccounting"))
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format.setFontUnderline(Format::FontUnderlineDoubleAccounting);
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else if (value == QLatin1String("singleAccounting"))
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format.setFontUnderline(Format::FontUnderlineSingleAccounting);
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else
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format.setFontUnderline(Format::FontUnderlineSingle);
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} else if (reader.name() == QLatin1String("vertAlign")) {
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QString value = attributes.value(QLatin1String("val")).toString();
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if (value == QLatin1String("superscript"))
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format.setFontScript(Format::FontScriptSuper);
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else if (value == QLatin1String("subscript"))
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format.setFontScript(Format::FontScriptSub);
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} else if (reader.name() == QLatin1String("scheme")) {
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format.setProperty(FormatPrivate::P_Font_Scheme, attributes.value(QLatin1String("val")).toString());
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}
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}
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}
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return format;
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}
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bool SharedStrings::loadFromXmlFile(QIODevice *device)
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{
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QXmlStreamReader reader(device);
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int count = 0;
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bool hasUniqueCountAttr=true;
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while (!reader.atEnd()) {
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QXmlStreamReader::TokenType token = reader.readNext();
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if (token == QXmlStreamReader::StartElement) {
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if (reader.name() == QLatin1String("sst")) {
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QXmlStreamAttributes attributes = reader.attributes();
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if ((hasUniqueCountAttr = attributes.hasAttribute(QLatin1String("uniqueCount"))))
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count = attributes.value(QLatin1String("uniqueCount")).toInt();
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} else if (reader.name() == QLatin1String("si")) {
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readString(reader);
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}
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}
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}
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if (hasUniqueCountAttr && m_stringList.size() != count) {
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qDebug("Error: Shared string count");
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return false;
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}
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if (m_stringList.size() != m_stringTable.size()) {
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//qDebug("Warning: Duplicated items exist in shared string table.");
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//Nothing we can do here, as indices of the strings will be used when loading sheets.
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}
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return true;
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}
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QT_END_NAMESPACE_XLSX
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