main.cpp Example File

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  #include <QCoreApplication>
  #include <QFile>
  #include <QStringList>
  #include <QTextStream>
  #include <QXmlStreamReader>

  /*
   This class exists for the sole purpose of creating a translation context.
  */
  class XmlStreamLint
  {
  public:
      Q_DECLARE_TR_FUNCTIONS(XmlStreamLint)
  };

  int main(int argc, char *argv[])
  {
      enum ExitCode
      {
          Success,
          ParseFailure,
          ArgumentError,
          WriteError,
          FileFailure
      };

      QCoreApplication app(argc, argv);

      QTextStream errorStream(stderr);

      if (argc != 2)
      {
          errorStream << XmlStreamLint::tr(
                         "Usage: xmlstreamlint <path to XML file>\n");
          return ArgumentError;
      }

      QString inputFilePath(QCoreApplication::arguments().at(1));
      QFile inputFile(inputFilePath);

      if (!QFile::exists(inputFilePath))
      {
          errorStream << XmlStreamLint::tr(
                         "File %1 does not exist.\n").arg(inputFilePath);
          return FileFailure;

      } else if (!inputFile.open(QIODevice::ReadOnly)) {
          errorStream << XmlStreamLint::tr(
                         "Failed to open file %1.\n").arg(inputFilePath);
          return FileFailure;
      }

      QFile outputFile;
      if (!outputFile.open(stdout, QIODevice::WriteOnly))
      {
          errorStream << XmlStreamLint::tr("Failed to open stdout.");
          return WriteError;
      }

      QXmlStreamReader reader(&inputFile);
      QXmlStreamWriter writer(&outputFile);

      while (!reader.atEnd())
      {
          reader.readNext();

          if (reader.error())
          {
              errorStream << XmlStreamLint::tr(
                             "Error: %1 in file %2 at line %3, column %4.\n").arg(
                                 reader.errorString(), inputFilePath,
                                 QString::number(reader.lineNumber()),
                                 QString::number(reader.columnNumber()));
              return ParseFailure;

          } else
              writer.writeCurrentToken(reader);
      }

      return Success;
  }