aboutsummaryrefslogtreecommitdiffstats
path: root/src/qmldom/qqmldomoutwriter_p.h
blob: 8b00223ea278461a8334a93c42faa27b20aa2696 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QMLDOMOUTWRITER_P_H
#define QMLDOMOUTWRITER_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "qqmldom_global.h"
#include "qqmldom_fwd_p.h"
#include "qqmldomattachedinfo_p.h"
#include "qqmldomlinewriter_p.h"

#include <QtCore/QLoggingCategory>

QT_BEGIN_NAMESPACE

namespace QQmlJS {
namespace Dom {

class QMLDOM_EXPORT OutWriterState
{
public:
    OutWriterState(const Path &itPath, const DomItem &it, const FileLocations::Tree &fLoc);

    void closeState(OutWriter &);

    Path itemCanonicalPath;
    DomItem item;
    PendingSourceLocationId fullRegionId;
    FileLocations::Tree currentMap;
    QMap<FileLocationRegion, PendingSourceLocationId> pendingRegions;
    QMap<FileLocationRegion, CommentedElement> pendingComments;
};

class QMLDOM_EXPORT OutWriter
{
public:
    int indent = 0;
    int indenterId = -1;
    bool indentNextlines = false;
    bool skipComments = false;
    LineWriter &lineWriter;
    Path currentPath;
    FileLocations::Tree topLocation;
    QString writtenStr;
    UpdatedScriptExpression::Tree reformattedScriptExpressions;
    QList<OutWriterState> states;

    explicit OutWriter(LineWriter &lw)
        : lineWriter(lw),
          topLocation(FileLocations::createTree(Path())),
          reformattedScriptExpressions(UpdatedScriptExpression::createTree(Path()))
    {
        lineWriter.addInnerSink([this](QStringView s) { writtenStr.append(s); });
        indenterId =
                lineWriter.addTextAddCallback([this](LineWriter &, LineWriter::TextAddType tt) {
                    if (indentNextlines && tt == LineWriter::TextAddType::Normal
                        && QStringView(lineWriter.currentLine()).trimmed().isEmpty())
                        lineWriter.setLineIndent(indent);
                    return true;
                });
    }

    OutWriterState &state(int i = 0);

    int increaseIndent(int level = 1)
    {
        int oldIndent = indent;
        indent += lineWriter.options().formatOptions.indentSize * level;
        return oldIndent;
    }
    int decreaseIndent(int level = 1, int expectedIndent = -1)
    {
        indent -= lineWriter.options().formatOptions.indentSize * level;
        Q_ASSERT(expectedIndent < 0 || expectedIndent == indent);
        return indent;
    }

    void itemStart(const DomItem &it);
    void itemEnd(const DomItem &it);
    void regionStart(FileLocationRegion region);
    void regionEnd(FileLocationRegion regino);

    quint32 counter() const { return lineWriter.counter(); }
    OutWriter &writeRegion(FileLocationRegion region, QStringView toWrite);
    OutWriter &writeRegion(FileLocationRegion region);
    OutWriter &ensureNewline(int nNewlines = 1)
    {
        lineWriter.ensureNewline(nNewlines);
        return *this;
    }
    OutWriter &ensureSpace()
    {
        lineWriter.ensureSpace();
        return *this;
    }
    OutWriter &ensureSpace(QStringView space)
    {
        lineWriter.ensureSpace(space);
        return *this;
    }
    OutWriter &newline()
    {
        lineWriter.newline();
        return *this;
    }
    OutWriter &space()
    {
        lineWriter.space();
        return *this;
    }
    OutWriter &write(QStringView v, LineWriter::TextAddType t = LineWriter::TextAddType::Normal)
    {
        lineWriter.write(v, t);
        return *this;
    }
    OutWriter &write(QStringView v, SourceLocation *toUpdate)
    {
        lineWriter.write(v, toUpdate);
        return *this;
    }
    void flush() { lineWriter.flush(); }
    void eof(bool ensureNewline = true) { lineWriter.eof(ensureNewline); }
    int addNewlinesAutospacerCallback(int nLines)
    {
        return lineWriter.addNewlinesAutospacerCallback(nLines);
    }
    int addTextAddCallback(std::function<bool(LineWriter &, LineWriter::TextAddType)> callback)
    {
        return lineWriter.addTextAddCallback(callback);
    }
    bool removeTextAddCallback(int i) { return lineWriter.removeTextAddCallback(i); }
    void addReformattedScriptExpression(const Path &p, const std::shared_ptr<ScriptExpression> &exp)
    {
        if (auto updExp = UpdatedScriptExpression::ensure(reformattedScriptExpressions, p,
                                                          AttachedInfo::PathType::Canonical)) {
            updExp->info().expr = exp;
        }
    }
    DomItem restoreWrittenFileItem(const DomItem &fileItem);

private:
    DomItem writtenQmlFileItem(const DomItem &fileItem, const Path &filePath);
    DomItem writtenJsFileItem(const DomItem &fileItem, const Path &filePath);
    static void logScriptExprUpdateSkipped(
            const DomItem &exprItem, const Path &exprPath,
            const std::shared_ptr<ScriptExpression> &formattedExpr);
};

} // end namespace Dom
} // end namespace QQmlJS

QT_END_NAMESPACE
#endif // QMLDOMOUTWRITER_P_H