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With QET_LAZY_FOLIOS=1, a project opened from a .qetz's index saves a .qetz without building the folios it never built, when building them would write the same: their parts are copied as they were and their rows of the document's engineering data from the project.sqlite they were read from (QetContainerDb::extract() with kept_from, QetContainer::split() with the old entries, pictures included). Whether a folio may be kept follows the rules of stage 5.5 (QETProject::toXml() with kept_parts): nothing project-wide changed since opening; a folio whose own data changed is built with its partners; after an edit, folios holding a table filled from the database are built; the partners still waiting of every built folio are built. Trusted only for a project opened from a format 3 index written by this version whose folios are named by their uuid. Format 3 names a folio by its uuid in the database (doc_meta folio_ids = uuid) when every folio has one of its own, so that a kept folio keeps its rows whatever its place; copies keep the rows' order (ORDER BY rowid). A folio not built keeps the name of its part until it is built (Diagram::deferredPart()). Measured, the 136-folio f2099 opened from its .qetz and saved as a .qetz: 4.75 s with no folio built, 33 s with every folio built; its 136 folio parts copied byte for byte; a kept save of a kept save is the same bytes. industrial.qetz untouched: 28 of its 47 folios not built are built to save (link chains, as in 5.5); after everyday edits on its busiest folio, 7 stay not built. tst_lazyfolios: an untouched .qetz saved without building, read back, holds the project; edits saved without building hold, read back, what the same edits saved with every folio built hold (read back too: a wire numbered from its potential is saved with no sequential numbers whichever the way -- reading it back renumbers it, a separate issue); fails when a kept folio's symbol information is not copied. Corpus, 342 projects: a .qetz saved without building, read and saved as .qet = eager = master on all 342. ctest 96/96 with and without QET_LAZY_FOLIOS=1. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
50 lines
2.0 KiB
C++
50 lines
2.0 KiB
C++
/*
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Copyright 2006-2026 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef QETCONTAINERDB_H
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#define QETCONTAINERDB_H
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#include <QByteArray>
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#include <QDomElement>
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/**
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@brief The QetContainerDb namespace
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The engineering data of a project, moved between its document and the
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project.sqlite of a .qetz: what a folio's title block says, a symbol's
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information, a coil's contacts, a wire's ends and number. In a .qetz
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these live only in the database; the folio files keep where things are
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drawn. extract() takes them out of the document into a database,
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restore() puts them back, so that restore(extract(d)) is d.
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Each moved item leaves its key in the document (qetz-key, qetz-folio):
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its uuid where that is unique, else a made-up one. A block of a shape
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this does not model -- a value holding elements, say -- stays in the
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document, so nothing can be lost by moving.
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*/
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namespace QetContainerDb
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{
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QByteArray extract(QDomElement project, QString *error = nullptr,
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const QByteArray &index = QByteArray(),
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const QByteArray &kept_from = QByteArray());
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bool restore(QDomElement project, const QByteArray &database, QString *error = nullptr);
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bool restoreFolio(QDomElement diagram, const QByteArray &database, QString *error = nullptr);
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/// true if @p database names its folios by their uuid (format 3)
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bool foliosByUuid(const QByteArray &database);
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}
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#endif // QETCONTAINERDB_H
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