qwscommand_qws.cpp

奇趣公司比较新的qt/emd版本

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#include "qwscommand_qws_p.h"
#include "qtransportauth_qws.h"
#include "qtransportauth_qws_p.h"

#include <sys/uio.h>

// #define QWSCOMMAND_DEBUG 1 // Uncomment to debug client/server communication

#ifdef QWSCOMMAND_DEBUG
# include <qdebug.h>
# include "qfile.h"
# include <ctype.h>

// QWSHexDump -[ start ]---------------------------------------------
# define QWSHEXDUMP_MAX 32
class QWSHexDump
{
public:

    QWSHexDump(const void *address, int len, int wrapAt = 16)
        : wrap(wrapAt), dataSize(len)
    {
        init();
        data = reinterpret_cast<const char*>(address);
        if (len < 0)
            dataSize = 0;
    }

    QWSHexDump(const char *str, int len = -1, int wrapAt = 16)
        : wrap(wrapAt), dataSize(len)
    {
        init();
        data = str;
        if (len == -1)
            dataSize = str ? strlen(str) : 0;
    }

    QWSHexDump(const QByteArray &array, int wrapAt = 16)
        : wrap(wrapAt)
    {
        init();
        data = array.data();
        dataSize = array.size();
    }

    // Sets a customized prefix for the hexdump
    void setPrefix(const char *str) { prefix = str; }

    // Sets number of bytes to cluster together
    void setClusterSize(uint num) { clustering = num; }

    // Output hexdump to a text stream
    void intoTextStream(QTextStream &strm) {
        outstrm = &strm;
        hexDump();
    }

    // Output hexdump to a QString
    QString toString();

protected:
    void init();
    void hexDump();
    void sideviewDump(int at);

private:
    uint wrap;
    uint clustering;
    uint dataSize;
    int dataWidth;
    const char *data;
    const char *prefix;
    bool dirty;

    char sideviewLayout[QWSHEXDUMP_MAX + 1];
    char sideview[15];

    QTextStream *outstrm;
};

void QWSHexDump::init()
{
    prefix = "> ";             // Standard line prefix
    clustering = 2;            // Word-size clustering by default
    if (wrap > QWSHEXDUMP_MAX) // No wider than QWSHexDump_MAX bytes
        wrap = QWSHEXDUMP_MAX;
}

void QWSHexDump::hexDump()
{
    *outstrm << "(" << dataSize << " bytes):\n" << prefix;
    sprintf(sideviewLayout, " [%%-%us]", wrap);
    dataWidth = (2 * wrap) + (wrap / clustering);

    dirty = false;
    uint wrapIndex = 0;
    for (uint i = 0; i < dataSize; i++) {
        uint c = static_cast<uchar>(data[i]);
        sideview[wrapIndex = i%wrap] = isprint(c) ? c : '.';

        if (wrapIndex && (wrapIndex % clustering == 0))
            *outstrm << " ";

        outstrm->setFieldWidth(2);
        outstrm->setPadChar('0');
        outstrm->setNumberFlags( QTextStream::ShowBase );
        *outstrm << hex << c;
        dirty = true;

        if (wrapIndex == wrap-1) {
            sideviewDump(wrapIndex);
            wrapIndex = 0;
            if (i+1 < dataSize)
                *outstrm << endl << prefix;
        }

    }
    sideviewDump(wrapIndex);
}

void QWSHexDump::sideviewDump(int at)
{
    if (dirty) {
        dirty = false;
        ++at;
        sideview[at] = '\0';
        int currentWidth = (2 * at) + (at / clustering) - (at%clustering?0:1);
        int missing = qMax(dataWidth - currentWidth, 0);
        while (missing--)
            *outstrm << " ";

        *outstrm << " [";
        outstrm->setPadChar(' ');
        outstrm->setFieldWidth(wrap);
        outstrm->setFieldAlignment( QTextStream::AlignLeft );
        *outstrm << sideview;
        *outstrm << "]";
    }
}

// Output hexdump to a QString
QString QWSHexDump::toString() {
    QString result;
    QTextStream strm(&result, QFile::WriteOnly);
    outstrm = &strm;
    hexDump();
    return result;
}

#ifndef QT_NO_DEBUG
QDebug &operator<<(QDebug &dbg, QWSHexDump *hd) {
    if (!hd)
        return dbg << "QWSHexDump(0x0)";
    QString result = hd->toString();
    dbg.nospace() << result;
    return dbg.space();
}

// GCC & Intel wont handle references here
QDebug operator<<(QDebug dbg, QWSHexDump hd) {
    return dbg << &hd;
}
#endif
// QWSHexDump -[ end ]-----------------------------------------------


QDebug &operator<<(QDebug &dbg, QWSCommand::Type tp)
{
    dbg << qws_getCommandTypeString( tp );
    return dbg;
}

#define N_EVENTS 19
const char * eventNames[N_EVENTS] =  {
        "NoEvent",
        "Connected",
        "Mouse", "Focus", "Key",
        "Region",
        "Creation",
        "PropertyNotify",
        "PropertyReply",
        "SelectionClear",
        "SelectionRequest",
        "SelectionNotify",
        "MaxWindowRect",
        "QCopMessage",
        "WindowOperation",
        "IMEvent",
        "IMQuery",
        "IMInit",
        "Font"
    };

class QWSServer;
extern QWSServer *qwsServer;
#endif

const char *qws_getCommandTypeString( QWSCommand::Type tp )
{
    const char *typeStr;
    switch(tp) {
        case QWSCommand::Create:
            typeStr = "Create";
            break;
        case QWSCommand::Shutdown:
            typeStr = "Shutdown";
            break;
        case QWSCommand::Region:
            typeStr = "Region";
            break;
        case QWSCommand::RegionMove:
            typeStr = "RegionMove";
            break;
        case QWSCommand::RegionDestroy:
            typeStr = "RegionDestroy";
            break;
        case QWSCommand::SetProperty:
            typeStr = "SetProperty";
            break;
        case QWSCommand::AddProperty:
            typeStr = "AddProperty";
            break;
        case QWSCommand::RemoveProperty:
            typeStr = "RemoveProperty";
            break;
        case QWSCommand::GetProperty:
            typeStr = "GetProperty";
            break;
        case QWSCommand::SetSelectionOwner:
            typeStr = "SetSelectionOwner";
            break;
        case QWSCommand::ConvertSelection:
            typeStr = "ConvertSelection";
            break;
        case QWSCommand::RequestFocus:
            typeStr = "RequestFocus";
            break;
        case QWSCommand::ChangeAltitude:
            typeStr = "ChangeAltitude";
            break;
        case QWSCommand::SetOpacity:
            typeStr = "SetOpacity";
            break;
        case QWSCommand::DefineCursor:
            typeStr = "DefineCursor";
            break;
        case QWSCommand::SelectCursor:
            typeStr = "SelectCursor";
            break;
        case QWSCommand::PositionCursor:
            typeStr = "PositionCursor";
            break;
        case QWSCommand::GrabMouse:
            typeStr = "GrabMouse";
            break;
        case QWSCommand::PlaySound:
            typeStr = "PlaySound";
            break;
        case QWSCommand::QCopRegisterChannel:
            typeStr = "QCopRegisterChannel";
            break;
        case QWSCommand::QCopSend:
            typeStr = "QCopSend";
            break;