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50
51#include <QCoreApplication>
52#include <QFile>
53#include <QStringList>
54#include <QTextStream>
55#include <QXmlStreamReader>
56
57/*
58 This class exists for the sole purpose of creating a translation context.
59*/
60class XmlStreamLint
61{
62public:
63 Q_DECLARE_TR_FUNCTIONS(XmlStreamLint)
64};
65
66int main(int argc, char *argv[])
67{
68 enum ExitCode
69 {
70 Success,
71 ParseFailure,
72 ArgumentError,
73 WriteError,
74 FileFailure
75 };
76
77 QCoreApplication app(argc, argv);
78
79 QTextStream errorStream(stderr);
80
81 if (argc != 2)
82 {
83 errorStream << XmlStreamLint::tr(
84 sourceText: "Usage: xmlstreamlint <path to XML file>\n");
85 return ArgumentError;
86 }
87
88 QString inputFilePath(QCoreApplication::arguments().at(i: 1));
89 QFile inputFile(inputFilePath);
90
91 if (!QFile::exists(fileName: inputFilePath))
92 {
93 errorStream << XmlStreamLint::tr(
94 sourceText: "File %1 does not exist.\n").arg(a: inputFilePath);
95 return FileFailure;
96
97 } else if (!inputFile.open(flags: QIODevice::ReadOnly)) {
98 errorStream << XmlStreamLint::tr(
99 sourceText: "Failed to open file %1.\n").arg(a: inputFilePath);
100 return FileFailure;
101 }
102
103 QFile outputFile;
104 if (!outputFile.open(stdout, ioFlags: QIODevice::WriteOnly))
105 {
106 errorStream << XmlStreamLint::tr(sourceText: "Failed to open stdout.");
107 return WriteError;
108 }
109
110//! [0]
111 QXmlStreamReader reader(&inputFile);
112 QXmlStreamWriter writer(&outputFile);
113//! [0]
114
115//! [1]
116 while (!reader.atEnd())
117 {
118 reader.readNext();
119
120 if (reader.error())
121 {
122 errorStream << XmlStreamLint::tr(
123 sourceText: "Error: %1 in file %2 at line %3, column %4.\n").arg(
124 args: reader.errorString(), args&: inputFilePath,
125 args: QString::number(reader.lineNumber()),
126 args: QString::number(reader.columnNumber()));
127 return ParseFailure;
128//! [1]
129
130//! [2]
131 } else
132 writer.writeCurrentToken(reader);
133 }
134//! [2]
135
136 return Success;
137}
138

source code of qtbase/examples/xml/xmlstreamlint/main.cpp