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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /tools/qdbus/qdbuscpp2xml/qdbuscpp2xml.cpp
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Long live Qt 4.5!
Diffstat (limited to 'tools/qdbus/qdbuscpp2xml/qdbuscpp2xml.cpp')
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diff --git a/tools/qdbus/qdbuscpp2xml/qdbuscpp2xml.cpp b/tools/qdbus/qdbuscpp2xml/qdbuscpp2xml.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QByteArray>
+#include <QString>
+#include <QVarLengthArray>
+#include <QFile>
+#include <QProcess>
+#include <QMetaObject>
+#include <QList>
+#include <QRegExp>
+#include <QCoreApplication>
+#include <QLibraryInfo>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "qdbusconnection.h" // for the Export* flags
+
+// copied from dbus-protocol.h:
+static const char docTypeHeader[] =
+ "<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\" "
+ "\"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\">\n";
+
+// in qdbusxmlgenerator.cpp
+QT_BEGIN_NAMESPACE
+extern QDBUS_EXPORT QString qDBusGenerateMetaObjectXml(QString interface, const QMetaObject *mo,
+ const QMetaObject *base, int flags);
+QT_END_NAMESPACE
+
+#define PROGRAMNAME "qdbuscpp2xml"
+#define PROGRAMVERSION "0.1"
+#define PROGRAMCOPYRIGHT "Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)."
+
+static QString outputFile;
+static int flags;
+
+static const char help[] =
+ "Usage: " PROGRAMNAME " [options...] [files...]\n"
+ "Parses the C++ source or header file containing a QObject-derived class and\n"
+ "produces the D-Bus Introspection XML."
+ "\n"
+ "Options:\n"
+ " -p|-s|-m Only parse scriptable Properties, Signals and Methods (slots)\n"
+ " -P|-S|-M Parse all Properties, Signals and Methods (slots)\n"
+ " -a Output all scriptable contents (equivalent to -psm)\n"
+ " -A Output all contents (equivalent to -PSM)\n"
+ " -o <filename> Write the output to file <filename>\n"
+ " -h Show this information\n"
+ " -V Show the program version and quit.\n"
+ "\n";
+
+class MocParser
+{
+ void parseError();
+ QByteArray readLine();
+ void loadIntData(uint *&data);
+ void loadStringData(char *&stringdata);
+
+ QIODevice *input;
+ const char *filename;
+ int lineNumber;
+public:
+ ~MocParser();
+ void parse(const char *filename, QIODevice *input, int lineNumber = 0);
+
+ QList<QMetaObject> objects;
+};
+
+void MocParser::parseError()
+{
+ fprintf(stderr, PROGRAMNAME ": error parsing input file '%s' line %d \n", filename, lineNumber);
+ exit(1);
+}
+
+QByteArray MocParser::readLine()
+{
+ ++lineNumber;
+ return input->readLine();
+}
+
+void MocParser::loadIntData(uint *&data)
+{
+ data = 0; // initialise
+ QVarLengthArray<uint> array;
+ QRegExp rx(QLatin1String("(\\d+|0x[0-9abcdef]+)"), Qt::CaseInsensitive);
+
+ while (!input->atEnd()) {
+ QString line = QLatin1String(readLine());
+ int pos = line.indexOf(QLatin1String("//"));
+ if (pos != -1)
+ line.truncate(pos); // drop comments
+
+ if (line == QLatin1String("};\n")) {
+ // end of data
+ data = new uint[array.count()];
+ memcpy(data, array.data(), array.count() * sizeof(*data));
+ return;
+ }
+
+ pos = 0;
+ while ((pos = rx.indexIn(line, pos)) != -1) {
+ QString num = rx.cap(1);
+ if (num.startsWith(QLatin1String("0x")))
+ array.append(num.mid(2).toUInt(0, 16));
+ else
+ array.append(num.toUInt());
+ pos += rx.matchedLength();
+ }
+ }
+
+ parseError();
+}
+
+void MocParser::loadStringData(char *&stringdata)
+{
+ stringdata = 0;
+ QVarLengthArray<char, 1024> array;
+
+ while (!input->atEnd()) {
+ QByteArray line = readLine();
+ if (line == "};\n") {
+ // end of data
+ stringdata = new char[array.count()];
+ memcpy(stringdata, array.data(), array.count() * sizeof(*stringdata));
+ return;
+ }
+
+ int start = line.indexOf('"');
+ if (start == -1)
+ parseError();
+
+ int len = line.length() - 1;
+ line.truncate(len); // drop ending \n
+ if (line.at(len - 1) != '"')
+ parseError();
+
+ --len;
+ ++start;
+ for ( ; start < len; ++start)
+ if (line.at(start) == '\\') {
+ // parse escaped sequence
+ ++start;
+ if (start == len)
+ parseError();
+
+ QChar c(QLatin1Char(line.at(start)));
+ if (!c.isDigit()) {
+ switch (c.toLatin1()) {
+ case 'a':
+ array.append('\a');
+ break;
+ case 'b':
+ array.append('\b');
+ break;
+ case 'f':
+ array.append('\f');
+ break;
+ case 'n':
+ array.append('\n');
+ break;
+ case 'r':
+ array.append('\r');
+ break;
+ case 't':
+ array.append('\t');
+ break;
+ case 'v':
+ array.append('\v');
+ break;
+ case '\\':
+ case '?':
+ case '\'':
+ case '"':
+ array.append(c.toLatin1());
+ break;
+
+ case 'x':
+ if (start + 2 <= len)
+ parseError();
+ array.append(char(line.mid(start + 1, 2).toInt(0, 16)));
+ break;
+
+ default:
+ array.append(c.toLatin1());
+ fprintf(stderr, PROGRAMNAME ": warning: invalid escape sequence '\\%c' found in input",
+ c.toLatin1());
+ }
+ } else {
+ // octal
+ QRegExp octal(QLatin1String("([0-7]+)"));
+ if (octal.indexIn(QLatin1String(line), start) == -1)
+ parseError();
+ array.append(char(octal.cap(1).toInt(0, 8)));
+ }
+ } else {
+ array.append(line.at(start));
+ }
+ }
+
+ parseError();
+}
+
+void MocParser::parse(const char *fname, QIODevice *io, int lineNum)
+{
+ filename = fname;
+ input = io;
+ lineNumber = lineNum;
+
+ while (!input->atEnd()) {
+ QByteArray line = readLine();
+ if (line.startsWith("static const uint qt_meta_data_")) {
+ // start of new class data
+ uint *data;
+ loadIntData(data);
+
+ // find the start of the string data
+ do {
+ line = readLine();
+ if (input->atEnd())
+ parseError();
+ } while (!line.startsWith("static const char qt_meta_stringdata_"));
+
+ char *stringdata;
+ loadStringData(stringdata);
+
+ QMetaObject mo;
+ mo.d.superdata = &QObject::staticMetaObject;
+ mo.d.stringdata = stringdata;
+ mo.d.data = data;
+ mo.d.extradata = 0;
+ objects.append(mo);
+ }
+ }
+
+ fname = 0;
+ input = 0;
+}
+
+MocParser::~MocParser()
+{
+ foreach (QMetaObject mo, objects) {
+ delete const_cast<char *>(mo.d.stringdata);
+ delete const_cast<uint *>(mo.d.data);
+ }
+}
+
+static void showHelp()
+{
+ printf("%s", help);
+ exit(0);
+}
+
+static void showVersion()
+{
+ printf("%s version %s\n", PROGRAMNAME, PROGRAMVERSION);
+ printf("D-Bus QObject-to-XML converter\n");
+ exit(0);
+}
+
+static void parseCmdLine(QStringList &arguments)
+{
+ for (int i = 1; i < arguments.count(); ++i) {
+ const QString arg = arguments.at(i);
+
+ if (arg == QLatin1String("--help"))
+ showHelp();
+
+ if (!arg.startsWith(QLatin1Char('-')))
+ continue;
+
+ char c = arg.count() == 2 ? arg.at(1).toLatin1() : char(0);
+ switch (c) {
+ case 'P':
+ flags |= QDBusConnection::ExportNonScriptableProperties;
+ // fall through
+ case 'p':
+ flags |= QDBusConnection::ExportScriptableProperties;
+ break;
+
+ case 'S':
+ flags |= QDBusConnection::ExportNonScriptableSignals;
+ // fall through
+ case 's':
+ flags |= QDBusConnection::ExportScriptableSignals;
+ break;
+
+ case 'M':
+ flags |= QDBusConnection::ExportNonScriptableSlots;
+ // fall through
+ case 'm':
+ flags |= QDBusConnection::ExportScriptableSlots;
+ break;
+
+ case 'A':
+ flags |= QDBusConnection::ExportNonScriptableContents;
+ // fall through
+ case 'a':
+ flags |= QDBusConnection::ExportScriptableContents;
+ break;
+
+ case 'o':
+ if (arguments.count() < i + 2 || arguments.at(i + 1).startsWith(QLatin1Char('-'))) {
+ printf("-o expects a filename\n");
+ exit(1);
+ }
+ outputFile = arguments.takeAt(i + 1);
+ break;
+
+ case 'h':
+ case '?':
+ showHelp();
+ break;
+
+ case 'V':
+ showVersion();
+ break;
+
+ default:
+ printf("unknown option: \"%s\"\n", qPrintable(arg));
+ exit(1);
+ }
+ }
+
+ if (flags == 0)
+ flags = QDBusConnection::ExportScriptableContents
+ | QDBusConnection::ExportNonScriptableContents;
+}
+
+int main(int argc, char **argv)
+{
+ QCoreApplication app(argc, argv);
+ QStringList args = app.arguments();
+
+ MocParser parser;
+ parseCmdLine(args);
+
+ for (int i = 1; i < args.count(); ++i) {
+ const QString arg = args.at(i);
+ if (arg.startsWith(QLatin1Char('-')))
+ continue;
+
+ QFile f(arg);
+ if (!f.open(QIODevice::ReadOnly|QIODevice::Text)) {
+ fprintf(stderr, PROGRAMNAME ": could not open '%s': %s\n",
+ qPrintable(arg), qPrintable(f.errorString()));
+ return 1;
+ }
+
+ f.readLine();
+
+ QByteArray line = f.readLine();
+ if (line.contains("Meta object code from reading C++ file"))
+ // this is a moc-generated file
+ parser.parse(argv[i], &f, 3);
+ else {
+ // run moc on this file
+ QProcess proc;
+ proc.start(QLibraryInfo::location(QLibraryInfo::BinariesPath) + QLatin1String("/moc"), QStringList() << QFile::decodeName(argv[i]), QIODevice::ReadOnly | QIODevice::Text);
+
+ if (!proc.waitForStarted()) {
+ fprintf(stderr, PROGRAMNAME ": could not execute moc! Aborting.\n");
+ return 1;
+ }
+
+ proc.closeWriteChannel();
+
+ if (!proc.waitForFinished() || proc.exitStatus() != QProcess::NormalExit ||
+ proc.exitCode() != 0) {
+ // output the moc errors:
+ fprintf(stderr, "%s", proc.readAllStandardError().constData());
+ fprintf(stderr, PROGRAMNAME ": exit code %d from moc. Aborting\n", proc.exitCode());
+ return 1;
+ }
+ fprintf(stderr, "%s", proc.readAllStandardError().constData());
+
+ parser.parse(argv[i], &proc, 1);
+ }
+
+ f.close();
+ }
+
+ QFile output;
+ if (outputFile.isEmpty()) {
+ output.open(stdout, QIODevice::WriteOnly);
+ } else {
+ output.setFileName(outputFile);
+ if (!output.open(QIODevice::WriteOnly)) {
+ fprintf(stderr, PROGRAMNAME ": could not open output file '%s': %s",
+ qPrintable(outputFile), qPrintable(output.errorString()));
+ return 1;
+ }
+ }
+
+ output.write(docTypeHeader);
+ output.write("<node>\n");
+ foreach (QMetaObject mo, parser.objects) {
+ QString xml = qDBusGenerateMetaObjectXml(QString(), &mo, &QObject::staticMetaObject,
+ flags);
+ output.write(xml.toLocal8Bit());
+ }
+ output.write("</node>\n");
+
+ return 0;
+}
+