Esempio n. 1
0
/* move idx to beginning of next word
 */
bool ParDoc::nextWord() {
    
    for (;idx<size; idx++) {
        
        switch (_chr[idx]) {
                
            case '\t': 
            case '\n': 
            case '\r': 
            case  ' ':
                
                eatWhitespace();
                return (idx<size);
                
            case '\0':
                
                return false;
                
            default:
                
                continue;
        }
    }
        return false;
}
void QHttpNetworkConnectionChannel::allDone()
{
#ifndef QT_NO_COMPRESS
    // expand the whole data.
    if (reply->d_func()->expectContent() && reply->d_func()->autoDecompress && !reply->d_func()->streamEnd)
        expand(true); // ### if expand returns false, its an error
#endif
    // while handling 401 & 407, we might reset the status code, so save this.
    bool emitFinished = reply->d_func()->shouldEmitSignals();
    handleStatus();
    // ### at this point there should be no more data on the socket
    // close if server requested
    if (reply->d_func()->isConnectionCloseEnabled())
        close();
    // queue the finished signal, this is required since we might send new requests from
    // slot connected to it. The socket will not fire readyRead signal, if we are already
    // in the slot connected to readyRead
    if (emitFinished)
        QMetaObject::invokeMethod(reply, "finished", Qt::QueuedConnection);
    // reset the reconnection attempts after we receive a complete reply.
    // in case of failures, each channel will attempt two reconnects before emitting error.
    reconnectAttempts = 2;

    detectPipeliningSupport();

    // move next from pipeline to current request
    if (!alreadyPipelinedRequests.isEmpty()) {
        if (resendCurrent || reply->d_func()->isConnectionCloseEnabled() || socket->state() != QAbstractSocket::ConnectedState) {
            // move the pipelined ones back to the main queue
            requeueCurrentlyPipelinedRequests();
            close();
        } else {
            // there were requests pipelined in and we can continue
            HttpMessagePair messagePair = alreadyPipelinedRequests.takeFirst();

            request = messagePair.first;
            reply = messagePair.second;
            state = QHttpNetworkConnectionChannel::ReadingState;
            resendCurrent = false;

            written = 0; // message body, excluding the header, irrelevant here
            bytesTotal = 0; // message body total, excluding the header, irrelevant here

            // pipeline even more
            connection->d_func()->fillPipeline(socket);

            // continue reading
            _q_receiveReply();
        }
    } else if (alreadyPipelinedRequests.isEmpty() && socket->bytesAvailable() > 0) {
        eatWhitespace();
        // this is weird. we had nothing pipelined but still bytes available. better close it.
        if (socket->bytesAvailable() > 0)
            close();
        QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
    } else if (alreadyPipelinedRequests.isEmpty()) {
        QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
    }
}
Esempio n. 3
0
bool MenuConf::readItemNameIfPresent(FILE* f, Item* item)
{
    eatWhitespace(f);
    if(! isAlpha(curChar)) {
        return true;//Name not present
    }
    if(! readToken(f, item->data->name, ItemData::NameSize)) {
        return false;
    }
    eatWhitespace(f);
    if(curChar != ':') {
        printf("%d, %d: Expected ':'\n", lineIndex, caret);
        return false;
    }
    nextChar(f);
    return true;
}
Esempio n. 4
0
static int
Parse (FILE * fp, int (*sfunc) (char *), int (*pfunc) (char * option, char * value, int num_flags, char** flags))
{
    int c;
    c = eatWhitespace (fp);

    while ((c != EOF) && (c > 0))
    {

        switch (c)
        {
            case '\n':      /* blank line */
                {
                    c = eatWhitespace (fp);
                    break;
                }

            case ';':       /* comment line */
            case '#':
                {
                    c = eatComment (fp);
                    break;
                }

            case '[':       /* section header */
                {
                    if (Section (fp, sfunc) < 0)
                    {
                        return (-1);
                    }
                    c = eatWhitespace (fp);
                    break;
                }
            default:        /* parameter line */
                {
                    if (Parameter (fp, pfunc, c) < 0)
                        return (-1);
                    c = eatWhitespace (fp);
                }
        }
    }

    return 0;
}
Esempio n. 5
0
bool getToken(std::istream &is, std::string &token) {
    eatWhitespace(is);
    token.clear();
    char c;
    while(is.good() && !isWhitespace(is.peek())) {
        c = is.get();
        if (is.good()){
            token += c;
        }
    }
    return token.size() > 0;
}
Esempio n. 6
0
bool MenuConf::readItemHotkeysIfPresent(FILE* f, Item* item)
{
    eatWhitespace(f);
    if(curChar == ',') {
        nextChar(f);
        eatWhitespace(f);
        if(curChar != '[') {
            printf("%d, %d: Expected '['\n", lineIndex, caret);
            return false;
        } else {
            nextChar(f);
            while(true) {
                eatWhitespace(f);
                if(curChar == ']') {
                    nextChar(f);
                    return false;
                }
                if(curChar == '\n' || curChar == EOF) {
                    printf("%d, %d: Expected hotkey or ']'\n", lineIndex, caret);
                    return false;
                }
                if(item->data->hotkeys) {
                    if(curChar != ',') {
                        printf("%d, %d: Expected ','\n", lineIndex, caret);
                        return false;
                    }
                    nextChar(f);
                }
                eatWhitespace(f);
                Hotkey* hotkey = new Hotkey();
                if(readHotkey(f, hotkey->string, Hotkey::StringSize)) {
                    addHotkey(item->data, hotkey);
                }
            }
        }
    }
    return true;
}
Esempio n. 7
0
/**
* parse object name without colons
*/
Variant Json::parseObjectName(const std::string &json, int &index, bool &success, char limiter )
{
  std::string s;

  eatWhitespace(json, index);

  bool complete = false;

  int lastIndex = math::clamp<int>( index + 64, 0, json.size() );
  for( int i=index; i < lastIndex; i++ )
  {    
    if( json[i+1] != limiter )
    {
      s += json[ i ];
    }
    else
    {
      s += json[ i ];
      index = (i + 1);
      complete = true;
      break;
    }
  }

  std::string items("{}[],");
  for( unsigned int i=0; i < s.size(); i++ )
  {
    if( items.find( s[i] ) != std::string::npos )
    {
      s = json.substr( std::max( 0, index-20 ), lastIndex );
      complete = false;
      break;
    }
  }

  if( !complete )
  {
    success = false;
    std::string advText = json.substr( std::max( 0, index - 60), 120 );
    std::string errText = utils::format( 0xff, "Wrong symbol in object name \"%s\"  at \n %s", s.c_str(), advText.c_str() );
    return Variant( errText );
  }

  return Variant(s);
}
Esempio n. 8
0
/* Parse out a single token */
int scene::getToken(char token[MAX_PARSER_TOKEN_LENGTH])
{
    int idx=0;

    assert (file != NULL);
    eatWhitespace();

    if(parse_char == EOF)
    {
        token[0]='\0';
        return 0;
    }
    while((!(isspace(parse_char))) && (parse_char != EOF))
    {
        token[idx]=parse_char;
        idx++;
        parse_char = fgetc(file);
    }

    token[idx] = '\0';
    return 1;
}
Esempio n. 9
0
/* the header looks like this:
 *---------
 * P6
 * # comments if you want to
 * width height
 * 255
 *---------
 * then follows RGBRGBRGBRGBRGB...
 */
struct Texture *viReadPPM(char *filename)
{
   FILE *f;
   char ch;
   int width, height, colres;
   if(f=fopen(filename,"rb"))
   {
      char str[100];
      struct Texture *tx;
      eatWhitespace(f);
      eatComments(f);
      eatWhitespace(f);
      fscanf(f,"%s",str);
      if(strcmp(str,"P6")!=0)
      {
	 printf("Error: the texture image file must be of raw color PPM format,\n");
	 printf("i.e., it must have P6 in the header. File: %s\n",filename);
	 exit(1);
      }
      eatWhitespace(f);
      eatComments(f);
      eatWhitespace(f);
      fscanf(f,"%d %d",&width,&height);
      if(width<=0 || height<=0)
      {
	 printf("Error: width and height of the image must be greater than zero. File: %s\n",filename);
	 exit(1);
      }
      eatWhitespace(f);
      eatComments(f);
      eatWhitespace(f);
      fscanf(f,"%d",&colres);
      if(colres!=255)
      {
	 printf("Error: color resolution must be 255.File: %s\n",filename);
	 return NULL;
      }
      /* gotta eat the newline too */
      ch=0;
      while(ch!='\n') fscanf(f,"%c",&ch);
      
      tx=(struct Texture*)malloc(sizeof(struct Texture));
      if(tx==NULL)
      {
	 printf("Error: could not allocate memory for texture struct. File: %s\n",filename);
	 return NULL;
      }
      tx->mWidth=width;
      tx->mHeight=height;
      tx->mRGB=(unsigned char*)malloc(3*width*height);
      if(tx->mRGB==NULL)
      {
	 printf("Error: could not allocate memory for the pixels of the texture. File: %s\n",filename);
	 exit(1);
      }
      
      if(fread(tx->mRGB,3*width*height,1,f)!=1)
      {
	 printf("Error: could not read 3 x %d bytes of pixel info. File: %s\n",width*height,filename);
	 return NULL;
      }
            
      fclose(f);

      return tx;
   }
   else
   {
      printf("Error: could not open %s.\n",filename);
      return NULL;
   }   
}
Esempio n. 10
0
void read_gem_config_file() {
    FILE * configFile = fopen("gemConfig", "r");
    char * c;
    char line[1024];
    int len;
    line[sizeof(line)-1] = 0;
    if (!configFile) return;
    while (fgets(line, sizeof(line)-1, configFile)) {
        c = eatWhitespace(line);
        strToUpper(c);
        switch (*c) {
            case 'M': // Mode
                c = strchr(line, '=');
                strToUpper(c+1);
                gemRunMode = strstr(c, "EXHAUSTIVE") ? EXHAUSTIVE : SINGLE;
                break;
            case 'D': // Debug
                c = strchr(line, '=');
                strToUpper(c+1);
                if (c) {
                    c = strstr(c, "ON");
                    if (!c) strstr(c, "1");
                }
                gemDebugModeEnabled = (c != 0);
                if (gemDebugModeEnabled) {
                    printf("GEM>> Debug Mode is ON\n");
                }
                else {
                    printf("GEM>> Debug Mode is OFF\n");
                }
                break;
            case 'C': // Cached answers (dummy server)
                c = strchr(line, '=');
                strToUpper(c+1);
                if (c) {
                    c = strstr(c, "ON");
                    if (!c) strstr(c, "1");
                }
                gemUseDummyServer = (c != 0);
                break;
            case 'S': // Random Generator Seed
                c = strchr(line, '=');
                strToUpper(c+1);
                if (c) {
                    gemSeedIsSet = sscanf(c+1, "%X", &gemSeedVal) > 0;
                }
                break;
            case 'A': // API Spec Path
                c = eatWhitespace(strchr(line, '=')+1);
                len = strlen(c);
                //apiSpecPath = malloc(len);
                apiSpecPath = malloc(len+1);
                strncpy(apiSpecPath, c, len);
                //apiSpecPath[len-1] = '\0';
                apiSpecPath[len] = '\0';
                if (len > 1 && apiSpecPath[len-1] == '\n')
                    apiSpecPath[len-1] = '\0';
                printf("API spec Path: `%s`\n", apiSpecPath);
                break;
            case 'G': // GEM (Racket) server path
                c = eatWhitespace(strchr(line, '=')+1);
                len = strlen(c);
                serverPath = malloc(len);
                strncpy(serverPath, c, len);
                serverPath[len-1] = '\0';
                break;
        }
    }
    fclose(configFile);
}
Esempio n. 11
0
void QHttpNetworkConnectionChannel::allDone()
{
#ifndef QT_NO_COMPRESS
    // expand the whole data.
    if (reply->d_func()->expectContent() && reply->d_func()->autoDecompress && !reply->d_func()->streamEnd)
        expand(true); // ### if expand returns false, its an error
#endif
    // while handling 401 & 407, we might reset the status code, so save this.
    bool emitFinished = reply->d_func()->shouldEmitSignals();
    handleStatus();
    // ### at this point there should be no more data on the socket
    // close if server requested
    bool connectionCloseEnabled = reply->d_func()->isConnectionCloseEnabled();
    if (connectionCloseEnabled)
        close();
    // queue the finished signal, this is required since we might send new requests from
    // slot connected to it. The socket will not fire readyRead signal, if we are already
    // in the slot connected to readyRead
    if (emitFinished)
        QMetaObject::invokeMethod(reply, "finished", Qt::QueuedConnection);
    // reset the reconnection attempts after we receive a complete reply.
    // in case of failures, each channel will attempt two reconnects before emitting error.
    reconnectAttempts = 2;

    detectPipeliningSupport();

    // now the channel can be seen as free/idle again, all signal emissions for the reply have been done
    this->state = QHttpNetworkConnectionChannel::IdleState;

    // if it does not need to be sent again we can set it to 0
    // the previous code did not do that and we had problems with accidental re-sending of a
    // finished request.
    // Note that this may trigger a segfault at some other point. But then we can fix the underlying
    // problem.
    if (!resendCurrent) {
        request = QHttpNetworkRequest();
        reply = 0;
    }

    // move next from pipeline to current request
    if (!alreadyPipelinedRequests.isEmpty()) {
        if (resendCurrent || connectionCloseEnabled || socket->state() != QAbstractSocket::ConnectedState) {
            // move the pipelined ones back to the main queue
            requeueCurrentlyPipelinedRequests();
            close();
        } else {
            // there were requests pipelined in and we can continue
            HttpMessagePair messagePair = alreadyPipelinedRequests.takeFirst();

            request = messagePair.first;
            reply = messagePair.second;
            state = QHttpNetworkConnectionChannel::ReadingState;
            resendCurrent = false;

            written = 0; // message body, excluding the header, irrelevant here
            bytesTotal = 0; // message body total, excluding the header, irrelevant here

            // pipeline even more
            connection->d_func()->fillPipeline(socket);

            // continue reading
            //_q_receiveReply();
            // this was wrong, allDone gets called from that function anyway.
        }
    } else if (alreadyPipelinedRequests.isEmpty() && socket->bytesAvailable() > 0) {
        eatWhitespace();
        // this is weird. we had nothing pipelined but still bytes available. better close it.
        if (socket->bytesAvailable() > 0)
            close();
        QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
    } else if (alreadyPipelinedRequests.isEmpty()) {
        if (qobject_cast<QHttpNetworkConnection*>(connection))
            QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
    }
}
Esempio n. 12
0
SExpression * Reader::read()
{
    SExpression * ret = nil_symbol;
    
    ReaderChar val = eatWhitespace();

    if (atEnd())
    {
        return ret;
    }
    
    if (macroHint(val.chr))
    {
        uint32_t val2 = peek().chr;
        uint64_t key2 = ((uint64_t)val.chr << 32) | val2;
        uint64_t key1 = ((uint64_t)val.chr << 32) | INVALID_CHAR;
        if (macros[key2])
        {
            getChar(false);
            return macros[key2]->run(new List);
        }
        else if (macros[key1])
        {
            return macros[key1]->run(new List);
        }
        else
        {
            printf("Couldn't find macro for [%c][%c]!\n", val.chr, val2);
        }
    }
    
    if (tokenType(val.chr) == TOKEN_QUOTE)
    {
        String * str = new String;
        ret = str;
        ret->begin_line = line;
        ret->begin_column = column;
        do
        {
            uint32_t val = getChar().chr;
            if (atEnd())
            {
                printf("Got EOF in middle of string, %d\n", val);
            }
            if (tokenType(val) == TOKEN_QUOTE)
            {
                break;
            }
            str->append(val);
        } while (!atEnd());
        ret->end_line = line;
        ret->end_column = column;
    }
    else if ( (tokenType(val.chr) == TOKEN_NUMERIC) ||
              (tokenType(val.chr) == TOKEN_MINUS
               && tokenType(peek().chr) == TOKEN_NUMERIC) )
    {
        bool is_minus = false;
        bool is_hex = false;

        int save_line = line;
        int save_column = column;
        
        if (tokenType(val.chr) == TOKEN_MINUS)
        {
            is_minus = true;
            val = getChar();
        }
        if (val.chr == '0' && peek().chr == 'x')
        {
            is_hex = true;
            getChar();
        }
        int64_t count_val = val.chr - '0';
        do
        {
            val = getChar();
            
            if (val.chr < '0' || val.chr > '9')
            {
                if (is_hex && (val.chr >= 'a' && val.chr <= 'f'))
                {
                }
                else
                {
                    ret = new Number(is_minus ? -count_val : count_val);
                    ret->begin_line = save_line;
                    ret->begin_column = save_column;
                    ret->end_line = line;
                    ret->end_column = column;
                    reject(val);
                    break;
                }
            }

            if (is_hex)
            {
                if (val.chr >= 'a' && val.chr <= 'f')
                {
                    val.chr -= ('a' - 10);
                }
                else
                {
                    val.chr -= '0';
                }
                count_val *= 16;
                count_val += val.chr;
            }
            else
            {
                val.chr -= '0';
                count_val *= 10;
                count_val += val.chr;
            }

            if (atEnd())
            {
                ret = new Number(is_minus ? -count_val : count_val);
                ret->begin_line = save_line;
                ret->begin_column = save_column;
                ret->end_line = line;
                ret->end_column = column;
            }
        } while (!atEnd());
    } else if (tokenType(val.chr) == TOKEN_ALPHA) {
        String * str = new String;
        str->append(val.chr);
        Symbol * sym = new Symbol(str);
        ret = sym;
        ret->begin_line = line;
        ret->begin_column = column;
        do
        {
            ReaderChar val = getChar();
            if (atEnd() || (tokenType(val.chr) != TOKEN_ALPHA
                            && tokenType(val.chr) != TOKEN_MINUS &&
                            tokenType(val.chr) != TOKEN_NUMERIC))
            {
                reject(val);
                break;
            }
            str->append(val.chr);
        } while (!atEnd());
        ret->end_line = line;
        ret->end_column = column;
    } else if (tokenType(val.chr) == TOKEN_OPEN_BRACE) {
        List * list = new List;
        ret = list;
        ret->begin_line = line;
        ret->begin_column = column;
        do
        {
            ReaderChar next = eatWhitespace();
            
            if (atEnd())
            {
                printf("Got EOF in middle of list, %d\n", next.chr);
                break;
            }
            if (tokenType(next.chr) == TOKEN_CLOSE_BRACE)
            {
                break;
            }

            reject(next);
            SExpression * sep = read();
            list->contents.push_back(sep);
            
        } while(!atEnd());
        ret->end_line = line;
        ret->end_column = column;
    } else if (tokenType(val.chr) == TOKEN_COMMENT) {
        do {
            val = getChar();
        } while (tokenType(val.chr) != TOKEN_NEWLINE && !atEnd());
    } else {
        printf("Didn't expect %d %d!\n", val.chr, tokenType(val.chr));
    }
    
    return ret;
}
Esempio n. 13
0
void QHttpNetworkConnectionChannel::_q_receiveReply()
{
    Q_ASSERT(socket);

    if (!reply) {
        // heh, how should that happen!
        qWarning() << "QHttpNetworkConnectionChannel::_q_receiveReply() called without QHttpNetworkReply,"
                << socket->bytesAvailable() << "bytes on socket.";
        close();
        return;
    }

    // only run when the QHttpNetworkConnection is not currently being destructed, e.g.
    // this function is called from _q_disconnected which is called because
    // of ~QHttpNetworkConnectionPrivate
    if (!qobject_cast<QHttpNetworkConnection*>(connection)) {
        return;
    }

    qint64 bytes = 0;
    QAbstractSocket::SocketState socketState = socket->state();

    // connection might be closed to signal the end of data
    if (socketState == QAbstractSocket::UnconnectedState) {
        if (socket->bytesAvailable() <= 0) {
            if (reply->d_func()->state == QHttpNetworkReplyPrivate::ReadingDataState) {
                // finish this reply. this case happens when the server did not send a content length
                reply->d_func()->state = QHttpNetworkReplyPrivate::AllDoneState;
                allDone();
                return;
            } else {
                handleUnexpectedEOF();
                return;
            }
        } else {
            // socket not connected but still bytes for reading.. just continue in this function
        }
    }

    // read loop for the response
    while (socket->bytesAvailable()) {
        QHttpNetworkReplyPrivate::ReplyState state = reply->d_func()->state;
        switch (state) {
        case QHttpNetworkReplyPrivate::NothingDoneState: {
            // only eat whitespace on the first call
            eatWhitespace();
            state = reply->d_func()->state = QHttpNetworkReplyPrivate::ReadingStatusState;
            // fallthrough
        }
        case QHttpNetworkReplyPrivate::ReadingStatusState: {
            qint64 statusBytes = reply->d_func()->readStatus(socket);
            if (statusBytes == -1) {
                // connection broke while reading status. also handled if later _q_disconnected is called
                handleUnexpectedEOF();
                return;
            }
            bytes += statusBytes;
            lastStatus = reply->d_func()->statusCode;
            break;
        }
        case QHttpNetworkReplyPrivate::ReadingHeaderState: {
            QHttpNetworkReplyPrivate *replyPrivate = reply->d_func();
            qint64 headerBytes = replyPrivate->readHeader(socket);
            if (headerBytes == -1) {
                // connection broke while reading headers. also handled if later _q_disconnected is called
                handleUnexpectedEOF();
                return;
            }
            bytes += headerBytes;
            if (replyPrivate->state == QHttpNetworkReplyPrivate::ReadingDataState) {
                if (replyPrivate->isGzipped() && replyPrivate->autoDecompress) {
                    // remove the Content-Length from header
                    replyPrivate->removeAutoDecompressHeader();
                } else {
                    replyPrivate->autoDecompress = false;
                }
                if (replyPrivate->statusCode == 100) {
                    replyPrivate->clearHttpLayerInformation();
                    replyPrivate->state = QHttpNetworkReplyPrivate::ReadingStatusState;
                    break; // ignore
                }
                if (replyPrivate->shouldEmitSignals())
                    emit reply->headerChanged();
                if (!replyPrivate->expectContent()) {
                    replyPrivate->state = QHttpNetworkReplyPrivate::AllDoneState;
                    allDone();
                    break;
                }
            }
            break;
        }
        case QHttpNetworkReplyPrivate::ReadingDataState: {
           QHttpNetworkReplyPrivate *replyPrivate = reply->d_func();
           if (replyPrivate->downstreamLimited && !replyPrivate->responseData.isEmpty() && replyPrivate->shouldEmitSignals()) {
               // We already have some HTTP body data. We don't read more from the socket until
               // this is fetched by QHttpNetworkAccessHttpBackend. If we would read more,
               // we could not limit our read buffer usage.
               // We only do this when shouldEmitSignals==true because our HTTP parsing
               // always needs to parse the 401/407 replies. Therefore they don't really obey
               // to the read buffer maximum size, but we don't care since they should be small.
               return;
           }

            if (!replyPrivate->isChunked() && !replyPrivate->autoDecompress
                && replyPrivate->bodyLength > 0) {
                // bulk files like images should fulfill these properties and
                // we can therefore save on memory copying
                bytes = replyPrivate->readBodyFast(socket, &replyPrivate->responseData);
                replyPrivate->totalProgress += bytes;
                if (replyPrivate->shouldEmitSignals()) {
                    QPointer<QHttpNetworkReply> replyPointer = reply;
                    emit reply->readyRead();
                    // make sure that the reply is valid
                    if (replyPointer.isNull())
                        return;
                    emit reply->dataReadProgress(replyPrivate->totalProgress, replyPrivate->bodyLength);
                    // make sure that the reply is valid
                    if (replyPointer.isNull())
                        return;
                }
            }
            else
            {
                // use the traditional slower reading (for compressed encoding, chunked encoding,
                // no content-length etc)
                QByteDataBuffer byteDatas;
                bytes = replyPrivate->readBody(socket, &byteDatas);
                if (bytes) {
                    if (replyPrivate->autoDecompress)
                        replyPrivate->appendCompressedReplyData(byteDatas);
                    else
                        replyPrivate->appendUncompressedReplyData(byteDatas);

                    if (!replyPrivate->autoDecompress) {
                        replyPrivate->totalProgress += bytes;
                        if (replyPrivate->shouldEmitSignals()) {
                            QPointer<QHttpNetworkReply> replyPointer = reply;
                            // important: At the point of this readyRead(), the byteDatas list must be empty,
                            // else implicit sharing will trigger memcpy when the user is reading data!
                            emit reply->readyRead();
                            // make sure that the reply is valid
                            if (replyPointer.isNull())
                                return;
                            emit reply->dataReadProgress(replyPrivate->totalProgress, replyPrivate->bodyLength);
                            // make sure that the reply is valid
                           if (replyPointer.isNull())
                                return;
                        }
                    }
#ifndef QT_NO_COMPRESS
                    else if (!expand(false)) { // expand a chunk if possible
                        return; // ### expand failed
                    }
#endif
                }
            }
            // still in ReadingDataState? This function will be called again by the socket's readyRead
            if (replyPrivate->state == QHttpNetworkReplyPrivate::ReadingDataState)
                break;

            // everything done, fall through
            }
      case QHttpNetworkReplyPrivate::AllDoneState:
            allDone();
            break;
        default:
            break;
        }
    }
}
Esempio n. 14
0
static int Section (FILE * fp, int (*sfunc) (char *))
{
    int p;
    p = eatWhitespace (fp);   /* 
                               ** we've already got the '['. scan past initial
                               ** white space
                               */

    char section[SECTION_LENGTH];
    int section_length = 0;

    char section_finished = 0;
    while (!section_finished)
    {
        switch (p)
        {
            case ']' :
                {
                    if (section_length == 0)
                    {
                        fprintf(stderr, "Empty section length\n");
                        return -1;
                        break;
                    }

                    if (section_length == SECTION_LENGTH)
                    {
                        fprintf(stderr, "Section name too long\n");
                        return -1;
                    }

                    // Terminate the string
                    section[section_length] = '\0';
                    section_length++;

                    section_finished = 1;
                    break;
                }
            case ' ' :
            case '\t' :
                {
                    fprintf(stderr, "Unexpected whitespace in section name\n");
                    return -1;
                    break;
                }
            case EOF :
                {
                    fprintf(stderr, "Unexpected end of file\n");
                    return -1;
                    break;
                }
            case '\n':
                {
                    fprintf(stderr, "Unexpected end of file\n");
                    return -1;
                    break;
                }
            default:
                {
                    while (p != ']'
                            && p != '\n'
                            && p != ' '
                            && p != '\t'
                            && p != EOF)
                    {
                        if (section_length == SECTION_LENGTH)
                        {
                            fprintf(stderr, "Section name too long\n");
                        }

                        section[section_length] = p;
                        section_length++;

                        p = getc(fp);
                    }

                    // Maybe this is the end of name
                    if (p == ' '
                            || p == '\t')
                    {
                        p = eatWhitespace(fp);
                    }
                }
        }
    }

    /*
    fprintf(stderr, "[MCFG] Section -> '%s'\n", section);
    fprintf(stderr, "[MCFG] \n");
    */

    return sfunc(section);
}
Esempio n. 15
0
bool MenuConf::readItemCaption(FILE* f, Item* item)
{
    eatWhitespace(f);
    return readQuotedString(f, item->data->caption, ItemData::CaptionSize);
}
Esempio n. 16
0
static int
Parameter (FILE * fp, int (*pfunc) (char * option, char * value, int num_flags, char **flags), int c)
{
    int option_length = 0;
    char option[OPTION_LENGTH];


    int num_flags = 0;
    char _flags[MAX_FLAG_NUM][MAX_FLAG_LENGTH];

    char *flags[MAX_FLAG_NUM];
    {
        // Initialize the array of pointers with the static storage
        int i;
        for (i = 0; i < MAX_FLAG_NUM; i++)
        {
            flags[i] = _flags[i];
        }
    }


    // First parse flags if any
    int p = c;

    // This is the beginning of a flag
    if (p == '{')
    {
        char flags_finished = 0;

        int current_flag_length = 0;
        char current_flag[MAX_FLAG_LENGTH];

        // After '{' there may be blanks
        p = eatWhitespace(fp);
        while (!flags_finished)
        {
            switch (p)
            {
                case EOF : 
                    {
                        fprintf(stderr, "Unexpected end of file while parsing parameter of configuration file\n");
                        return (-1);
                    }
                case '}' :
                    {
                        // No more parameters
                        flags_finished = 1;
                        /* Fall-through! */
                    }
                case ',' :
                    {
                        if (current_flag_length == MAX_FLAG_LENGTH)
                        {
                            fprintf(stderr, "Flag too long\n");
                            return -1;
                        }
                        if (current_flag_length == 0
                                || (current_flag_length == 1 
                                    && current_flag[0] == '!'))
                        {
                            fprintf(stderr, "Empty flag\n");
                            return -1;
                        }

                        // Terminate the string
                        current_flag[current_flag_length] = '\0';
                        current_flag_length++;

                        if (num_flags == MAX_FLAG_NUM)
                        {
                            fprintf(stderr, "Too many flags\n");
                            return (-1);
                        }

                        strncpy(flags[num_flags], current_flag, current_flag_length);
                        num_flags++;

                        // Restart the flag
                        current_flag_length = 0;

                        // After a ',' or '}' we allow blanks
                        p = eatWhitespace(fp);
                        break;
                    }
                case '\n':
                    {
                        fprintf(stderr, "Invalid newline in flags\n");
                        return -1;
                        break;
                    }
                case ' ':
                case '\t':
                    {
                        fprintf(stderr, "Invalid whitespace in flags\n");
                        return -1;
                        break;
                    }
                default:
                    {
                        if (p == '!') // Negation
                        {
                            if (current_flag_length == MAX_FLAG_LENGTH)
                            {
                                fprintf(stderr, "Flag too long\n");
                                return -1;
                            }

                            current_flag[current_flag_length] = p;
                            current_flag_length++;

                            p = eatWhitespace(fp);
                        }

                        // Advance as many as possible
                        while (p != ' ' // Blank
                                && p != '\t' // Blank
                                && p != '\n' // newline
                                && p != ',' // Comma
                                && p != '}' // End of flags
                                && p != '!' // Negation
                                && p != EOF
                              )
                        {
                            if (current_flag_length == MAX_FLAG_LENGTH)
                            {
                                fprintf(stderr, "Flag too long\n");
                                return -1;
                            }

                            current_flag[current_flag_length] = p;
                            current_flag_length++;

                            p = getc(fp);
                        }

                        // Maybe this is the end of a flag
                        if (p == ' ' || p == '\t')
                        {
                            p = eatWhitespace(fp);
                        }
                        break;
                    }
            }
        }
    }
    
    // We allow this because it is more flexible when autogenerating the
    // configure
    if (p == '\n')
    {
        // Do not do anything but returning success
        return 0;
    }

    char option_finished = 0;
    while (!option_finished)
    {
        switch (p)
        {
            case EOF :
                {
                    fprintf(stderr, "Unexpected end of file when parsing option\n");
                    return -1;
                    break;
                }
            case '=' :
                {
                    if (option_length == 0)
                    {
                        fprintf(stderr, "Empty option\n");
                        return -1;
                    }

                    if (option_length == OPTION_LENGTH)
                    {
                        fprintf(stderr, "Option too long\n");
                        return -1;
                    }

                    // Terminate the string
                    option[option_length] = '\0';
                    option_length++;

                    option_finished = 1;

                    // Allow whitespaces after the finished option
                    p = eatWhitespace(fp);
                    break;
                }
            case '\n':
                {
                    fprintf(stderr, "Unexpected end of line when parsing option\n");
                    return -1;
                    break;
                }
            case ' ' :
            case '\t' :
                {
                    fprintf(stderr, "Invalid whitespace when parsing option\n");
                    return -1;
                    break;
                }
            default:
                {
                    while (p != EOF
                            && p != '='
                            && p != '\n'
                            && p != ' '
                            && p != '\t')
                    {
                        if (option_length == OPTION_LENGTH)
                        {
                            fprintf(stderr, "Option too long\n");
                            return -1;
                        }

                        option[option_length] = p;
                        option_length++;

                        p = getc(fp);
                    }

                    // Maybe this is the end of the option
                    if (p == ' ' || p == '\t')
                    {
                        p = eatWhitespace(fp);
                    }
                    break;
                }
        }
    }

    int value_length = 0;
    char value[VALUE_LENGTH];

    // Get the rest of the line and trim at the same time
    // This is -1 because in empty strings there is no last non blank
    // but there will be '\0' so when incremented it will be 0
    int last_nonblank = -1;
    while (p != '\n'
            && p != EOF)
    {
        if (value_length == VALUE_LENGTH)
        {
            fprintf(stderr, "Value for option too long\n");
            return -1;
        }

        // Store if this is nonblank
        if (p != ' '
                && p != '\t')
        {
            last_nonblank = value_length;
        }

        value[value_length] = p;
        value_length++;

        p = getc(fp);
    }

    // Terminate the string
    value[last_nonblank + 1] = '\0';
    value_length = last_nonblank + 1;

    /*
    fprintf(stderr, "[MCFG] Option -> '%s'\n", option);
    fprintf(stderr, "[MCFG] Value -> '%s'\n", value);
    fprintf(stderr, "[MCFG] num_flags -> '%d'\n", num_flags);
    {
        int i;
        for (i = 0; i < num_flags; i++)
        {
            fprintf(stderr, "[MCFG] flags[%d] -> '%s'\n", i, flags[i]);
        }
    }
    fprintf(stderr, "[MCFG] \n");
    */

    return pfunc(option, value, num_flags, flags);
}
void QHttpNetworkConnectionChannel::_q_receiveReply()
{
    Q_ASSERT(socket);

    qint64 bytes = 0;
    QAbstractSocket::SocketState socketState = socket->state();

    // connection might be closed to signal the end of data
    if (socketState == QAbstractSocket::UnconnectedState) {
        if (!socket->bytesAvailable()) {
            if (reply && reply->d_func()->state == QHttpNetworkReplyPrivate::ReadingDataState) {
                reply->d_func()->state = QHttpNetworkReplyPrivate::AllDoneState;
                this->state = QHttpNetworkConnectionChannel::IdleState;
                allDone();
            } else {
                // try to reconnect/resend before sending an error.
                if (reconnectAttempts-- > 0) {
                    closeAndResendCurrentRequest();
                } else if (reply) {
                    reply->d_func()->errorString = connection->d_func()->errorDetail(QNetworkReply::RemoteHostClosedError, socket);
                    emit reply->finishedWithError(QNetworkReply::RemoteHostClosedError, reply->d_func()->errorString);
                    QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
                }
            }
        }
    }

    // read loop for the response
    while (socket->bytesAvailable()) {
        QHttpNetworkReplyPrivate::ReplyState state = reply ? reply->d_func()->state : QHttpNetworkReplyPrivate::AllDoneState;
        switch (state) {
        case QHttpNetworkReplyPrivate::NothingDoneState:
        case QHttpNetworkReplyPrivate::ReadingStatusState: {
            eatWhitespace();
            qint64 statusBytes = reply->d_func()->readStatus(socket);
            if (statusBytes == -1 && reconnectAttempts <= 0) {
                // too many errors reading/receiving/parsing the status, close the socket and emit error
                close();
                reply->d_func()->errorString = connection->d_func()->errorDetail(QNetworkReply::ProtocolFailure, socket);
                emit reply->finishedWithError(QNetworkReply::ProtocolFailure, reply->d_func()->errorString);
                QMetaObject::invokeMethod(connection, "_q_startNextRequest", Qt::QueuedConnection);
                break;
            } else if (statusBytes == -1) {
                reconnectAttempts--;
                reply->d_func()->clear();
                closeAndResendCurrentRequest();
                break;
            }
            bytes += statusBytes;
            lastStatus = reply->d_func()->statusCode;
            break;
        }
        case QHttpNetworkReplyPrivate::ReadingHeaderState: {
            QHttpNetworkReplyPrivate *replyPrivate = reply->d_func();
            bytes += replyPrivate->readHeader(socket);
            if (replyPrivate->state == QHttpNetworkReplyPrivate::ReadingDataState) {
                if (replyPrivate->isGzipped() && replyPrivate->autoDecompress) {
                    // remove the Content-Length from header
                    replyPrivate->removeAutoDecompressHeader();
                } else {
                    replyPrivate->autoDecompress = false;
                }
                if (replyPrivate->statusCode == 100) {
                    replyPrivate->state = QHttpNetworkReplyPrivate::ReadingStatusState;
                    break; // ignore
                }
                if (replyPrivate->shouldEmitSignals())
                    emit reply->headerChanged();
                if (!replyPrivate->expectContent()) {
                    replyPrivate->state = QHttpNetworkReplyPrivate::AllDoneState;
                    this->state = QHttpNetworkConnectionChannel::IdleState;
                    allDone();
                    return;
                }
            }
            break;
        }
        case QHttpNetworkReplyPrivate::ReadingDataState: {
           QHttpNetworkReplyPrivate *replyPrivate = reply->d_func();
           if (replyPrivate->downstreamLimited && !replyPrivate->responseData.isEmpty() && replyPrivate->shouldEmitSignals()) {
               // We already have some HTTP body data. We don't read more from the socket until
               // this is fetched by QHttpNetworkAccessHttpBackend. If we would read more,
               // we could not limit our read buffer usage.
               // We only do this when shouldEmitSignals==true because our HTTP parsing
               // always needs to parse the 401/407 replies. Therefore they don't really obey
               // to the read buffer maximum size, but we don't care since they should be small.
               return;
           }

            if (!replyPrivate->isChunked() && !replyPrivate->autoDecompress
                && replyPrivate->bodyLength > 0) {
                // bulk files like images should fulfill these properties and
                // we can therefore save on memory copying
                bytes = replyPrivate->readBodyFast(socket, &replyPrivate->responseData);
                replyPrivate->totalProgress += bytes;
                if (replyPrivate->shouldEmitSignals()) {
                    QPointer<QHttpNetworkReply> replyPointer = reply;
                    emit reply->readyRead();
                    // make sure that the reply is valid
                    if (replyPointer.isNull())
                        return;
                    emit reply->dataReadProgress(replyPrivate->totalProgress, replyPrivate->bodyLength);
                    // make sure that the reply is valid
                    if (replyPointer.isNull())
                        return;
                }
            }
            else
            {
                // use the traditional slower reading (for compressed encoding, chunked encoding,
                // no content-length etc)
                QByteDataBuffer byteDatas;
                bytes = replyPrivate->readBody(socket, &byteDatas);
                if (bytes) {
                    if (replyPrivate->autoDecompress)
                        replyPrivate->appendCompressedReplyData(byteDatas);
                    else
                        replyPrivate->appendUncompressedReplyData(byteDatas);

                    if (!replyPrivate->autoDecompress) {
                        replyPrivate->totalProgress += bytes;
                        if (replyPrivate->shouldEmitSignals()) {
                            QPointer<QHttpNetworkReply> replyPointer = reply;
                            // important: At the point of this readyRead(), the byteDatas list must be empty,
                            // else implicit sharing will trigger memcpy when the user is reading data!
                            emit reply->readyRead();
                            // make sure that the reply is valid
                            if (replyPointer.isNull())
                                return;
                            emit reply->dataReadProgress(replyPrivate->totalProgress, replyPrivate->bodyLength);
                            // make sure that the reply is valid
                           if (replyPointer.isNull())
                                return;
                        }
                    }
#ifndef QT_NO_COMPRESS
                    else if (!expand(false)) { // expand a chunk if possible
                        return; // ### expand failed
                    }
#endif
                }
            }
            if (replyPrivate->state == QHttpNetworkReplyPrivate::ReadingDataState)
                break;
            // everything done, fall through
            }
      case QHttpNetworkReplyPrivate::AllDoneState:
            this->state = QHttpNetworkConnectionChannel::IdleState;
            allDone();
            break;
        default:
            break;
        }
    }
}