CWE-ou-minkata/Sources/Plasma/PubUtilLib/plStreamLogger/plStreamLogger.cpp

/*==LICENSE==*

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*==LICENSE==*/
#include "plStreamLogger.h"
#include "hsExceptions.h"

#ifdef STREAM_LOGGER

//
// Base Stream Logger
//

void plStreamLogger::LogEntry(plGenericType::Types type, unsigned int size, void* value, const char* desc)
{
    if (fList)
    {
        plGenericVar var(desc);
        var.Value().SetVar(type,size,value);
        Event e(Event::kValue,size,var);
        fList->push_back(e);
        fEntryWaiting = false;
    }
}

void plStreamLogger::ILogEntryWaiting()
{
    fEntryWaiting = true;
}

bool plStreamLogger::IsLogEntryWaiting()
{
    return fEntryWaiting;
}

//
// Read-Only Logging Stream
//

void hsReadOnlyLoggingStream::LogStringString(const char* s)
{
    if (fList)
    {
        plGenericVar var;

        var.SetName(s);
        fList->push_back(Event(Event::kString,0,var));
    }
}

void hsReadOnlyLoggingStream::LogSubStreamStart(const char* desc)
{
    if (fList)
    {
        plGenericVar var;
        if (!fDescStack.empty())
        {
            var.SetName(fDescStack.front().c_str());
            fDescStack.pop_front();
        }
        else
            var.SetName(desc);
        fList->push_back(Event(Event::kSubStart,0,var));
    }
}

void hsReadOnlyLoggingStream::LogSubStreamEnd()
{
    if (fList)
    {
        plGenericVar var;
        fList->push_back(Event(Event::kSubEnd,0,var));
    }
}

void hsReadOnlyLoggingStream::LogSubStreamPushDesc(const char* desc)
{
    fDescStack.push_back(std::string(desc));
}

void hsReadOnlyLoggingStream::Rewind()
{
    hsThrow( "can't rewind a logging stream");
}

void hsReadOnlyLoggingStream::FastFwd()
{
    hsThrow( "can't fast forward a logging stream");
}

void hsReadOnlyLoggingStream::SetPosition(uint32_t position)
{
    hsThrow( "can't set position on a logging stream");
}

void hsReadOnlyLoggingStream::Skip(uint32_t deltaByteCount)
{
    hsReadOnlyStream::Skip(deltaByteCount);
    if (deltaByteCount > 0 && !IsLogEntryWaiting())
    {
        LogEntry(plGenericType::kNone,deltaByteCount,nil,"Unknown Skip");
    }
}

uint32_t hsReadOnlyLoggingStream::Read(uint32_t byteCount, void * buffer)
{
    uint32_t ret = hsReadOnlyStream::Read(byteCount,buffer);
    if (ret > 0 && !IsLogEntryWaiting())
    {
        LogEntry(plGenericType::kNone,byteCount,nil,"Unknown Read");
    }

    return ret;
}


void hsReadOnlyLoggingStream::LogSkip(uint32_t deltaByteCount, const char* desc)
{
    ILogEntryWaiting();
    Skip(deltaByteCount);
    if (deltaByteCount > 0)
    {
        LogEntry(plGenericType::kNone,deltaByteCount,nil,desc);
    }
}

uint32_t hsReadOnlyLoggingStream::LogRead(uint32_t byteCount, void * buffer, const char* desc)
{
    ILogEntryWaiting();
    uint32_t ret = Read(byteCount,buffer);
    if (ret > 0)
    {
        LogEntry(plGenericType::kNone,byteCount,nil,desc);
    }

    return ret;
}
char *hsReadOnlyLoggingStream::LogReadSafeString()
{
    LogSubStreamStart("push me");
    uint16_t numChars; 
    LogReadLE(&numChars,"NumChars");

    numChars &= ~0xf000; // XXX: remove when hsStream no longer does this.
    if (numChars > 0)
    {       
        char *name = TRACKED_NEW char[numChars+1];
        ILogEntryWaiting();
        uint32_t ret = Read(numChars, name);
        name[numChars] = '\0';
        if (ret > 0)
        {
            LogEntry(plGenericType::kString,ret,name,"Value");
        }
        LogSubStreamEnd();
        return name;
    }
    LogSubStreamEnd();
    return nil;
}

char *hsReadOnlyLoggingStream::LogReadSafeStringLong()
{
    LogSubStreamStart("push me");
    uint32_t numChars; 
    LogReadLE(&numChars,"NumChars");
    if (numChars > 0)
    {
        char *name = TRACKED_NEW char[numChars+1];
        ILogEntryWaiting();
        uint32_t ret = Read(numChars, name);
        name[numChars] = '\0';
        if (ret > 0)
        {
            LogEntry(plGenericType::kString,ret,name,"Value");
        }
        LogSubStreamEnd();
        return name;
    }
    LogSubStreamEnd();
    return nil;
}
#endif