main.cpp 范例文件

xmlstreamlint/main.cpp
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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; }