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Open and save projects as .qetz (zipped, opt-in)

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Third stage of the zipped project file (#1440). A project is saved as a
.qetz when its file name ends in .qetz -- Save As offers it as a second
file type, and --resave, --set-titleblock, the script API's save() and
the live-mode snapshot follow the name too. Saving a .qet project still
writes a .qet; nothing changes unless the user picks .qetz.

Opening recognises a .qetz by its content (a zip), not its name, and
reads it as bytes: text mode would alter it on Windows. The project
document is joined back and read by the same code as a .qet. Crash
backups stay plain XML. Drag and drop, the open dialog and the
numbering import accept .qetz; the database export names its file from
the project's name without assuming ".qet".

Parts are now written without added indentation (one line each): the
symbol definitions are kept as read, whitespace included, and parts
that gained indentation made the next save differ (five forum projects).

Tests: tst_resaveunchanged::containerSavesTheSameProject (four examples
saved as .qetz, then as .qet, equal the straight .qet; pictures checked
to fail without the fix), tst_qetcontainer::noWhitespaceAdded. Outside
ctest: 341 of 341 projects QET can open (examples, bugtracker, GitHub,
forum) give the same .qet through a .qetz; 181.6 MB of .qet became
36.9 MB of .qetz.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019Wga9B92BNurDEtxxtCDxf
This commit is contained in:
ispyisail
2026-10-10 23:11:24 +13:00
parent a475383915
commit fac09253a0
14 changed files with 215 additions and 44 deletions
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sources/cli_export.cpp
+24 -7
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@@ -870,6 +870,15 @@ int exportLinks(QETProject &project, const QString &output)
int resaveProject(QETProject &project, const QString &output)
{
const QDomDocument doc = project.toXml();
if (QETProject::isContainerPath(output)) {
QString error;
if (!QETProject::writeContainer(doc, output, &error)) {
err << "Cannot write '" << output << "': " << error << "\n";
return 1;
}
out << "Re-saved project -> " << output << "\n";
return 0;
}
QFile file(output);
if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
err << "Cannot open '" << output << "' for writing.\n";
@@ -955,14 +964,22 @@ int setTitleBlock(QETProject &project, const QString &output,
}
const QDomDocument doc = project.toXml();
QFile file(output);
if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
err << "Cannot open '" << output << "' for writing.\n";
return 1;
if (QETProject::isContainerPath(output)) {
QString error;
if (!QETProject::writeContainer(doc, output, &error)) {
err << "Cannot write '" << output << "': " << error << "\n";
return 1;
}
} else {
QFile file(output);
if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
err << "Cannot open '" << output << "' for writing.\n";
return 1;
}
QTextStream fout(&file);
fout << doc.toString(4);
file.close();
}
QTextStream fout(&file);
fout << doc.toString(4);
file.close();
out << "Stamped " << fields.size() << " field(s) on "
<< folios << " folio(s) -> " << output << "\n";
return 0;