| 1 | /* |
| 2 | SPDX-FileCopyrightText: 2010 Bernhard Beschow <bbeschow@cs.tu-berlin.de> |
| 3 | |
| 4 | SPDX-License-Identifier: LGPL-2.0-or-later |
| 5 | */ |
| 6 | |
| 7 | #include "document.h" |
| 8 | #include "katedocument.h" |
| 9 | |
| 10 | using namespace KTextEditor; |
| 11 | |
| 12 | Document::Document(DocumentPrivate *impl, const KPluginMetaData &data, QObject *parent) |
| 13 | : KParts::ReadWritePart(parent, data) |
| 14 | , d(impl) |
| 15 | { |
| 16 | } |
| 17 | |
| 18 | Document::~Document() = default; |
| 19 | |
| 20 | namespace KTextEditor |
| 21 | { |
| 22 | /** |
| 23 | * Private d-pointer type for EditingTransaction |
| 24 | */ |
| 25 | class EditingTransactionPrivate |
| 26 | { |
| 27 | public: |
| 28 | /** |
| 29 | * real document implementation |
| 30 | */ |
| 31 | DocumentPrivate *document; |
| 32 | |
| 33 | /** |
| 34 | * Indicator for running editing transaction |
| 35 | */ |
| 36 | bool transactionRunning; |
| 37 | }; |
| 38 | |
| 39 | } |
| 40 | |
| 41 | Document::EditingTransaction::EditingTransaction(Document *document) |
| 42 | : d(new EditingTransactionPrivate()) |
| 43 | { |
| 44 | // Although it works in release-mode, we usually want a valid document |
| 45 | Q_ASSERT(document != nullptr); |
| 46 | |
| 47 | // initialize d-pointer |
| 48 | d->document = qobject_cast<KTextEditor::DocumentPrivate *>(object: document); |
| 49 | d->transactionRunning = false; |
| 50 | |
| 51 | // start the editing transaction |
| 52 | start(); |
| 53 | } |
| 54 | |
| 55 | void Document::EditingTransaction::start() |
| 56 | { |
| 57 | if (d->document && !d->transactionRunning) { |
| 58 | d->document->editStart(); |
| 59 | d->transactionRunning = true; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | void Document::EditingTransaction::finish() |
| 64 | { |
| 65 | if (d->document && d->transactionRunning) { |
| 66 | d->document->editEnd(); |
| 67 | d->transactionRunning = false; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | Document::EditingTransaction::~EditingTransaction() |
| 72 | { |
| 73 | // finish the editing transaction |
| 74 | finish(); |
| 75 | |
| 76 | // delete our d-pointer |
| 77 | delete d; |
| 78 | } |
| 79 | |
| 80 | bool Document::openingError() const |
| 81 | { |
| 82 | return d->m_openingError; |
| 83 | } |
| 84 | |
| 85 | bool KTextEditor::Document::replaceText(Range range, const QString &text, bool block) |
| 86 | { |
| 87 | bool success = true; |
| 88 | EditingTransaction transaction(this); |
| 89 | success &= removeText(range, block); |
| 90 | success &= insertText(position: range.start(), text, block); |
| 91 | return success; |
| 92 | } |
| 93 | |
| 94 | bool Document::replaceText(Range range, const QStringList &text, bool block) |
| 95 | { |
| 96 | bool success = true; |
| 97 | EditingTransaction transaction(this); |
| 98 | success &= removeText(range, block); |
| 99 | success &= insertText(position: range.start(), text, block); |
| 100 | return success; |
| 101 | } |
| 102 | |
| 103 | bool Document::isEmpty() const |
| 104 | { |
| 105 | return documentEnd() == Cursor::start(); |
| 106 | } |
| 107 | |
| 108 | QList<KTextEditor::Range> Document::searchText(KTextEditor::Range range, const QString &pattern, const SearchOptions options) const |
| 109 | { |
| 110 | return d->searchText(range, pattern, options); |
| 111 | } |
| 112 | |