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50
51#include "textconverter.h"
52
53#include <QFile>
54#include <QTextStream>
55
56static void dumpVariant(QTextStream &out, const QVariant &v)
57{
58 switch (v.userType()) {
59 case QMetaType::QVariantList: {
60 const QVariantList list = v.toList();
61 for (const QVariant &item : list)
62 dumpVariant(out, item);
63 break;
64 }
65
66 case QMetaType::QString: {
67 const QStringList list = v.toStringList();
68 for (const QString &s : list)
69 out << s << Qt::endl;
70 break;
71 }
72
73 case QMetaType::QVariantMap: {
74 const QVariantMap map = v.toMap();
75 for (auto it = map.begin(); it != map.end(); ++it) {
76 out << it.key() << " => ";
77 dumpVariant(out, it.value());
78 }
79 break;
80 }
81
82 case QMetaType::Nullptr:
83 out << "(null)" << Qt::endl;
84 break;
85
86 default:
87 out << v.toString() << Qt::endl;
88 break;
89 }
90}
91
92QString TextConverter::name()
93{
94 return QStringLiteral("text");
95}
96
97Converter::Direction TextConverter::directions()
98{
99 return InOut;
100}
101
102Converter::Options TextConverter::outputOptions()
103{
104 return {};
105}
106
107const char *TextConverter::optionsHelp()
108{
109 return nullptr;
110}
111
112bool TextConverter::probeFile(QIODevice *f)
113{
114 if (QFile *file = qobject_cast<QFile *>(f))
115 return file->fileName().endsWith(QLatin1String(".txt"));
116 return false;
117}
118
119QVariant TextConverter::loadFile(QIODevice *f, Converter *&outputConverter)
120{
121 if (!outputConverter)
122 outputConverter = this;
123
124 QVariantList list;
125 QTextStream in(f);
126 QString line ;
127 while (!in.atEnd()) {
128 in.readLineInto(&line);
129
130 bool ok;
131 qint64 v = line.toLongLong(&ok);
132 if (ok) {
133 list.append(v);
134 continue;
135 }
136
137 double d = line.toDouble(&ok);
138 if (ok) {
139 list.append(d);
140 continue;
141 }
142
143 list.append(line);
144 }
145
146 return list;
147}
148
149void TextConverter::saveFile(QIODevice *f, const QVariant &contents, const QStringList &options)
150{
151 if (!options.isEmpty()) {
152 fprintf(stderr, "Unknown option '%s' to text output. This format has no options.\n", qPrintable(options.first()));
153 exit(EXIT_FAILURE);
154 }
155
156 QTextStream out(f);
157 dumpVariant(out, contents);
158}
159
160static TextConverter textConverter;
161