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qtextdocument: use qsizetype more

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in Qt::mightBeRichText, Qt::convertFromPlainText
and emitFrameStyle to support large strings

Change-Id: I7187bd81d3cbcc11ba898e015bd2a8ec64e3bf34
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
(cherry picked from commit 33d606412d8c2dc9ad3c0129af5bc8a74ce650be)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
(cherry picked from commit f4cd637c8a13310e5952c30677ce144ec3d22633)
(cherry picked from commit cf5519e983123b787990b688f7c702744c8837c7)
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
This commit is contained in:
Anton Kudryavtsev 2023-10-04 14:40:40 +03:00 committed by Mårten Nordheim
parent 14e7f0c473
commit 4fd124b432
1 changed files with 8 additions and 8 deletions
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16
src/gui/text/qtextdocument.cpp
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@ -99,7 +99,7 @@ bool Qt::mightBeRichText(const QString& text)
{
if (text.isEmpty())
return false;
int start = 0;
qsizetype start = 0;
while (start < text.length() && text.at(start).isSpace())
++start;
@ -122,7 +122,7 @@ bool Qt::mightBeRichText(const QString& text)
if (QStringView{text}.mid(start, 5).compare(QLatin1String("<!doc"), Qt::CaseInsensitive) == 0)
return true;
int open = start;
qsizetype open = start;
while (open < text.length() && text.at(open) != QLatin1Char('<')
&& text.at(open) != QLatin1Char('\n')) {
if (text.at(open) == QLatin1Char('&') && QStringView{text}.mid(open + 1, 3) == QLatin1String("lt;"))
@ -130,10 +130,10 @@ bool Qt::mightBeRichText(const QString& text)
++open;
}
if (open < text.length() && text.at(open) == QLatin1Char('<')) {
const int close = text.indexOf(QLatin1Char('>'), open);
const qsizetype close = text.indexOf(QLatin1Char('>'), open);
if (close > -1) {
QString tag;
for (int i = open+1; i < close; ++i) {
for (qsizetype i = open+1; i < close; ++i) {
if (text[i].isDigit() || text[i].isLetter())
tag += text[i];
else if (!tag.isEmpty() && text[i].isSpace())
@ -165,12 +165,12 @@ bool Qt::mightBeRichText(const QString& text)
*/
QString Qt::convertFromPlainText(const QString &plain, Qt::WhiteSpaceMode mode)
{
int col = 0;
qsizetype col = 0;
QString rich;
rich += QLatin1String("<p>");
for (int i = 0; i < plain.length(); ++i) {
for (qsizetype i = 0; i < plain.length(); ++i) {
if (plain[i] == QLatin1Char('\n')){
int c = 1;
qsizetype c = 1;
while (i+1 < plain.length() && plain[i+1] == QLatin1Char('\n')) {
i++;
c++;
@ -3402,7 +3402,7 @@ void QTextHtmlExporter::emitFrameStyle(const QTextFrameFormat &format, FrameType
{
QLatin1String styleAttribute(" style=\"");
html += styleAttribute;
const int originalHtmlLength = html.length();
const qsizetype originalHtmlLength = html.length();
if (frameType == TextFrame)
html += QLatin1String("-qt-table-type: frame;");