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50 
51 #include "nullconverter.h"
52 
53 static NullConverter nullConverter;
54 Converter* Converter::null = &nullConverter;
55 
name()56 QString NullConverter::name()
57 {
58     return QLatin1String("null");
59 }
60 
directions()61 Converter::Direction NullConverter::directions()
62 {
63     return Out;
64 }
65 
outputOptions()66 Converter::Options NullConverter::outputOptions()
67 {
68     return SupportsArbitraryMapKeys;
69 }
70 
optionsHelp()71 const char *NullConverter::optionsHelp()
72 {
73     return nullptr;
74 }
75 
probeFile(QIODevice * f)76 bool NullConverter::probeFile(QIODevice *f)
77 {
78     Q_UNUSED(f);
79     return false;
80 }
81 
loadFile(QIODevice * f,Converter * & outputConverter)82 QVariant NullConverter::loadFile(QIODevice *f, Converter *&outputConverter)
83 {
84     Q_UNUSED(f);
85     Q_UNUSED(outputConverter);
86     outputConverter = this;
87     return QVariant();
88 }
89 
saveFile(QIODevice * f,const QVariant & contents,const QStringList & options)90 void NullConverter::saveFile(QIODevice *f, const QVariant &contents, const QStringList &options)
91 {
92     if (!options.isEmpty()) {
93         fprintf(stderr, "Unknown option '%s' to null output. This format has no options.\n", qPrintable(options.first()));
94         exit(EXIT_FAILURE);
95     }
96 
97     Q_UNUSED(f);
98     Q_UNUSED(contents);
99 }
100