TianZD/QtXlsxWriter
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Prevent while() from causing potential infinite loops

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If xml files don't have proper close tags, don't generate an infinite
loop in our library.
This commit is contained in:
Debao Zhang
2013-12-12 15:50:45 +08:00
parent 39483f77d7
commit 11e8d7c48a
8 changed files with 44 additions and 48 deletions
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src/xlsx/xlsxworksheet.cpp
+13 -13
View File
@@ -1316,7 +1316,7 @@ void WorksheetPrivate::writeHyperlinks(QXmlStreamWriter &writer)
it.next();
int row = it.key();
QMapIterator <int, XlsxUrlData *> it2(it.value());
while(it2.hasNext()) {
while (it2.hasNext()) {
it2.next();
int col = it2.key();
XlsxUrlData *data = it2.value();
@@ -1379,7 +1379,7 @@ void WorksheetPrivate::splitColsInfo(int colFirst, int colLast)
// This will be more complex if we try to set "C:F" after "B:D".
{
QMapIterator<int, QSharedPointer<XlsxColumnInfo> > it(colsInfo);
while(it.hasNext()) {
while (it.hasNext()) {
it.next();
QSharedPointer<XlsxColumnInfo> info = it.value();
if (colFirst > info->firstColumn && colFirst <= info->lastColumn) {
@@ -1397,7 +1397,7 @@ void WorksheetPrivate::splitColsInfo(int colFirst, int colLast)
}
{
QMapIterator<int, QSharedPointer<XlsxColumnInfo> > it(colsInfo);
while(it.hasNext()) {
while (it.hasNext()) {
it.next();
QSharedPointer<XlsxColumnInfo> info = it.value();
if (colLast >= info->firstColumn && colLast < info->lastColumn) {
@@ -1795,7 +1795,7 @@ QSharedPointer<Cell> WorksheetPrivate::readNumericCellData(QXmlStreamReader &rea
QString v_str;
QString f_str;
QSharedPointer<Cell> cell;
while (!(reader.name() == QLatin1String("c") && reader.tokenType() == QXmlStreamReader::EndElement)) {
while (!reader.atEnd() && !(reader.name() == QLatin1String("c") && reader.tokenType() == QXmlStreamReader::EndElement)) {
reader.readNextStartElement();
if (reader.tokenType() == QXmlStreamReader::StartElement) {
if (reader.name() == QLatin1String("v")) {
@@ -1833,7 +1833,7 @@ void WorksheetPrivate::readSheetData(QXmlStreamReader &reader)
Q_Q(Worksheet);
Q_ASSERT(reader.name() == QLatin1String("sheetData"));
while(!(reader.name() == QLatin1String("sheetData") && reader.tokenType() == QXmlStreamReader::EndElement)) {
while (!reader.atEnd() && !(reader.name() == QLatin1String("sheetData") && reader.tokenType() == QXmlStreamReader::EndElement)) {
reader.readNextStartElement();
if (reader.tokenType() == QXmlStreamReader::StartElement) {
@@ -1886,7 +1886,7 @@ void WorksheetPrivate::readSheetData(QXmlStreamReader &reader)
QString type = attributes.value(QLatin1String("t")).toString();
if (type == QLatin1String("s")) {
//string type
while (!(reader.name() == QLatin1String("c") && reader.tokenType() == QXmlStreamReader::EndElement)) {
while (!reader.atEnd() && !(reader.name() == QLatin1String("c") && reader.tokenType() == QXmlStreamReader::EndElement)) {
reader.readNextStartElement();
if (reader.name() == QLatin1String("v")) {
int sst_idx = reader.readElementText().toInt();
@@ -1900,7 +1900,7 @@ void WorksheetPrivate::readSheetData(QXmlStreamReader &reader)
}
} else if (type == QLatin1String("inlineStr")) {
//inline string type
while (!(reader.name() == QLatin1String("c") && reader.tokenType() == QXmlStreamReader::EndElement)) {
while (!reader.atEnd() && !(reader.name() == QLatin1String("c") && reader.tokenType() == QXmlStreamReader::EndElement)) {
reader.readNextStartElement();
if (reader.tokenType() == QXmlStreamReader::StartElement) {
//:Todo, add rich text read support
@@ -1928,7 +1928,7 @@ void WorksheetPrivate::readSheetData(QXmlStreamReader &reader)
} else if (type == QLatin1String("e")) {
//error type, such as #DIV/0! #NULL! #REF! etc
QString v_str, f_str;
while (!(reader.name() == QLatin1String("c") && reader.tokenType() == QXmlStreamReader::EndElement)) {
while (!reader.atEnd() && !(reader.name() == QLatin1String("c") && reader.tokenType() == QXmlStreamReader::EndElement)) {
reader.readNextStartElement();
if (reader.tokenType() == QXmlStreamReader::StartElement) {
if (reader.name() == QLatin1String("v"))
@@ -1963,7 +1963,7 @@ void WorksheetPrivate::readColumnsInfo(QXmlStreamReader &reader)
{
Q_ASSERT(reader.name() == QLatin1String("cols"));
while(!(reader.name() == QLatin1String("cols") && reader.tokenType() == QXmlStreamReader::EndElement)) {
while (!reader.atEnd() && !(reader.name() == QLatin1String("cols") && reader.tokenType() == QXmlStreamReader::EndElement)) {
reader.readNextStartElement();
if (reader.tokenType() == QXmlStreamReader::StartElement) {
if (reader.name() == QLatin1String("col")) {
@@ -2007,7 +2007,7 @@ void WorksheetPrivate::readMergeCells(QXmlStreamReader &reader)
QXmlStreamAttributes attributes = reader.attributes();
int count = attributes.value(QLatin1String("count")).toString().toInt();
while(!(reader.name() == QLatin1String("mergeCells") && reader.tokenType() == QXmlStreamReader::EndElement)) {
while (!reader.atEnd() && !(reader.name() == QLatin1String("mergeCells") && reader.tokenType() == QXmlStreamReader::EndElement)) {
reader.readNextStartElement();
if (reader.tokenType() == QXmlStreamReader::StartElement) {
if (reader.name() == QLatin1String("mergeCell")) {
@@ -2036,7 +2036,7 @@ void WorksheetPrivate::readDataValidations(QXmlStreamReader &reader)
QXmlStreamAttributes attributes = reader.attributes();
int count = attributes.value(QLatin1String("count")).toString().toInt();
while(!(reader.name() == QLatin1String("dataValidations")
while (!reader.atEnd() && !(reader.name() == QLatin1String("dataValidations")
&& reader.tokenType() == QXmlStreamReader::EndElement)) {
reader.readNextStartElement();
if (reader.tokenType() == QXmlStreamReader::StartElement
@@ -2053,7 +2053,7 @@ void WorksheetPrivate::readSheetViews(QXmlStreamReader &reader)
{
Q_ASSERT(reader.name() == QLatin1String("sheetViews"));
while(!(reader.name() == QLatin1String("sheetViews")
while (!reader.atEnd() && !(reader.name() == QLatin1String("sheetViews")
&& reader.tokenType() == QXmlStreamReader::EndElement)) {
reader.readNextStartElement();
if (reader.tokenType() == QXmlStreamReader::StartElement && reader.name() == QLatin1String("sheetView")) {
@@ -2079,7 +2079,7 @@ bool Worksheet::loadFromXmlFile(QIODevice *device)
Q_D(Worksheet);
QXmlStreamReader reader(device);
while(!reader.atEnd()) {
while (!reader.atEnd()) {
reader.readNextStartElement();
if (reader.tokenType() == QXmlStreamReader::StartElement) {
if (reader.name() == QLatin1String("dimension")) {