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Diffstat (limited to 'qt/tools/dbuscpp2xml.cpp')
| -rw-r--r-- | qt/tools/dbuscpp2xml.cpp | 409 |
1 files changed, 409 insertions, 0 deletions
diff --git a/qt/tools/dbuscpp2xml.cpp b/qt/tools/dbuscpp2xml.cpp new file mode 100644 index 00000000..dd08b5fd --- /dev/null +++ b/qt/tools/dbuscpp2xml.cpp @@ -0,0 +1,409 @@ +/* -*- C++ -*- + * + * Copyright (C) 2006 Trolltech AS. All rights reserved. + * Author: Thiago Macieira <thiago.macieira@trolltech.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include <QByteArray> +#include <QString> +#include <QVarLengthArray> +#include <QFile> +#include <QProcess> +#include <QMetaObject> +#include <QList> +#include <QRegExp> + +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <unistd.h> + +#include "../src/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 +extern QDBUS_EXPORT QString qDBusGenerateMetaObjectXml(QString interface, const QMetaObject *mo, + const QMetaObject *base, int flags); + +#define PROGRAMNAME "dbuscpp2xml" +#define PROGRAMVERSION "0.1" +#define PROGRAMCOPYRIGHT "Copyright (C) 2006 Trolltech AS. All rights reserved." + +static const char cmdlineOptions[] = "psmaPSMAo:hV"; +static const char *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 line; +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, line); + exit(1); +} + +QByteArray MocParser::readLine() +{ + ++line; + return input->readLine(); +} + +void MocParser::loadIntData(uint *&data) +{ + data = 0; // initialise + QVarLengthArray<uint> array; + QRegExp rx("(\\d+|0x[0-9abcdef]+)", Qt::CaseInsensitive); + + while (!input->atEnd()) { + QString line = QLatin1String(readLine()); + int pos = line.indexOf("//"); + if (pos != -1) + line.truncate(pos); // drop comments + + if (line == "};\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("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("([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 lineNumber) +{ + filename = fname; + input = io; + line = lineNumber; + + 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(int argc, char **argv) +{ + int c; + opterr = true; + while ((c = getopt(argc, argv, cmdlineOptions)) != -1) + switch (c) + { + case 'p': + flags |= QDBusConnection::ExportProperties; + break; + + case 's': + flags |= QDBusConnection::ExportSignals; + break; + + case 'm': + flags |= QDBusConnection::ExportSlots; + break; + + case 'a': + flags |= QDBusConnection::ExportContents; + break; + + case 'P': + flags |= QDBusConnection::ExportAllProperties; + break; + + case 'S': + flags |= QDBusConnection::ExportAllSignals; + break; + + case 'M': + flags |= QDBusConnection::ExportAllSlots; + break; + + case 'A': + flags |= QDBusConnection::ExportAllContents; + break; + + case 'o': + outputFile = optarg; + break; + + case 'h': + showHelp(); + break; + + case 'V': + showVersion(); + break; + + case '?': + exit(1); + default: + abort(); + } + + if (flags == 0) + flags = QDBusConnection::ExportAllContents; +} + +int main(int argc, char **argv) +{ + MocParser parser; + parseCmdLine(argc, argv); + + for (int i = optind; i < argc; ++i) { + FILE *in = fopen(argv[i], "r"); + if (in == 0) { + fprintf(stderr, PROGRAMNAME ": could not open '%s': %s\n", + argv[i], strerror(errno)); + return 1; + } + + QFile f; + f.open(in, QIODevice::ReadOnly); + 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("moc", QStringList() << QFile::encodeName(argv[i])); + + 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(); + fclose(in); + } + + FILE *output = stdout; + if (outputFile != 0) { + output = fopen(outputFile, "w"); + if (output == 0) { + fprintf(stderr, PROGRAMNAME ": could not open output file '%s': %s", + outputFile, strerror(errno)); + return 1; + } + } + + fprintf(output, "%s<node>\n", docTypeHeader); + foreach (QMetaObject mo, parser.objects) { + QString xml = qDBusGenerateMetaObjectXml(QString(), &mo, &QObject::staticMetaObject, + flags); + fprintf(output, "%s", qPrintable(xml)); + } + fprintf(output, "</node>\n"); + + if (output != stdout) + fclose(output); +} + |