C++ processLine函数代码示例

//-----------------------------------------------------------------------------------------------
// Reads the input file, generates a pressure drop calculator
//-----------------------------------------------------------------------------------------------
PressureDropCalculator* PipeReader::readFile(const QString &file_name)
{
    PressureDropCalculator *calc = 0;


    // opening the input file
    QFile input(file_name);

    // checking if file opened ok...
    if(!input.open(QIODevice::ReadOnly | QIODevice::Text))
    {
        qWarning("Could not open PIPE input file: %s", file_name.toLatin1().constData());
        exit(1);
    }


    // starting to read the file, finding what type of calculator to produce

    QStringList list = processLine(input.readLine());

    while(!input.atEnd() && !list.at(0).startsWith("EOF"))
    {

        if(list.at(0).startsWith("CORRELATION"))
        {
            if(list.at(1).startsWith("BB73")) calc = readBeggsBrill(input);         // this is a beggs and brill correlation
            else if(list.at(1).startsWith("TABLE")) calc = readDpTable(input);      // this is a table correlation
        }
        else if(!isEmpty(list))
        {
            cout << endl << "### Error detected in PIPE definition file! ###" << endl
                 << "File: " << file_name.toLatin1().constData() << endl
                 << "Keyword: " << list.join(" ").toLatin1().constData() << endl
                 << "Not understood in current context." << endl << endl;

            exit(1);
        }


        list = processLine(input.readLine());
    }






    // everything ok, closing input file
    input.close();


    return calc;
}

void generate( options *o)
{
  FILE  *fileHandle   = fopen( o->file, "r" );
  char  line[ 256 ];

  if( !fileHandle )
  {
    perror( "Error opening the source file" );
  }
  else
  {
    assert( fileHandle ); 
    
    while( fgets( line, 256, fileHandle ) )
    {
      count( line );
    }

    rewind( fileHandle );

    OBJModel.vertices     = calloc( OBJModel.numOfObjVertex , sizeof( vertex ) );
    assert( OBJModel.vertices );

    if( OBJModel.numOfObjNormal > 0 )
    {
      OBJModel.normals      = calloc( OBJModel.numOfObjNormal , sizeof( normal ) );
      assert( OBJModel.normals );
    }

    if( OBJModel.numOfObjNormal > 0 )
    {
      OBJModel.textures     = calloc( OBJModel.numOfObjTex , sizeof( texture ) );
      assert( OBJModel.textures );
    }
    
    OBJModel.faces        = calloc( OBJModel.numOfObjFaces , sizeof( face ) );
    OBJModel.indexLength  = OBJModel.numOfObjFaces * 3;
    OBJModel.indices      = calloc( OBJModel.indexLength, sizeof( Index ) );

    assert( OBJModel.faces );
    assert( OBJModel.indices );

    while( fgets( line, 256, fileHandle ) )
    {
      processLine( line );
    } 

    generateFile( o->outputFile );
    
    if( o->verbose )
    { 
      printf( "Total Vertices: %i\n", OBJModel.numOfObjVertex );
      printf( "Total Normals: %i\n", OBJModel.numOfObjNormal );
      printf( "Total Textures: %i\n", OBJModel.numOfObjTex );
      printf( "Total Index: %i\n", OBJModel.indexCount );
    }

    fclose( fileHandle );
  }
}

void readBaseFileStatus(char* filename) {
    FILE* file;
    char line[MAXPATHLEN];
    if (!(file = fopen(filename, "r"))) {
        // Let's try to create the .file_status in the baseline system
        fprintf(stderr, "CreateFileStatus (.file_status is missing)\n");
        sprintf(line, "CreateFileStatus -d %s", dirs.working);
        if (execute(line)) {
            exit(-1);
        }
        if (!(file = fopen(filename, "r"))) {
            fprintf(stderr, "Couldn't open %s and CreateFileStatus failed.\n",
                    filename);
            exit(-1);
        }
    }

    // The first line of the file is a comment so skip it.
    if (fgets(line_buf, line_buf_size, file) == NULL) {
        fprintf(stderr, "Couldn't read the first line of %s\n", filename);
        exit(-1);
    }

    while (fgets(line_buf, line_buf_size,  file) != NULL) {
        processLine(line_buf);
    }

    if (fclose(file)) {
        fprintf(stderr, "Couldn't close %s\n", filename);
        exit(-1);
    }
}

/*
 * handleHeader - scan through and process header information
 */
static void handleHeader( int *start, SAREA *line )
{
    int         cur;

    cur = 0;
    if( strnicmp( helpInBuf, ":h", 2 ) == 0 ) {
        for( ;; ) {
            if( !mygetline() )
                break;
            if( strnicmp( helpInBuf, ":t", 2 ) == 0 )
                break;
            if( strnicmp( helpInBuf, ":eh", 3 ) == 0 )
                break;
            processLine( helpInBuf, helpOutBuf, cur, false );
            putline( helpOutBuf, cur );
            cur ++;
        }
        line->row = cur;
        uivfill( &helpScreen, *line, AT( ATTR_NORMAL ), UiGChar[UI_SBOX_HORIZ_LINE] );
        cur++;
        topPos = HelpTell( helpFileHdl );
        if( strnicmp( helpInBuf, ":eh", 3 ) == 0 ) {
            mygetline();
        }
    }
    *start = cur;
}

/*
 * handleFooter - scan through and process footer information
 */
static void handleFooter( int *startline, SAREA *use, SAREA *line )
{
    int         start;

    start = *startline;
    if( strnicmp( helpInBuf, ":t", 2 ) == 0 ) {
        ++start;        /* leave room for line */
        for( ;; ) {
            if( !mygetline() )
                break;
            if( strnicmp( helpInBuf, ":et", 3 ) == 0 )
                break;
            processLine( helpInBuf, helpOutBuf, start, false );
            putline( helpOutBuf, start );
            ++start;
        }
        vscroll_fields( &helpTab, *use, start - use->row - use->height );
        vvscroll( &helpScreen, *use, start - use->row - use->height );
        use->height -= start - use->row;
        line->row = use->row + use->height;
        uivfill( &helpScreen, *line, AT( ATTR_NORMAL ), UiGChar[UI_SBOX_HORIZ_LINE] );
        topPos = HelpTell( helpFileHdl );
    }
    *startline = start;
}

void KateBuildView::slotReadReadyStdErr()
{
    // FIXME This works for utf8 but not for all charsets
    QString l= QString::fromUtf8(m_proc->readAllStandardError());
    l.remove(QLatin1Char('\r'));
    m_output_lines += l;

    QString tmp;

    int end=0;

    do {
        end = m_output_lines.indexOf(QLatin1Char('\n'));
        if (end < 0) break;
        end++;
        tmp = m_output_lines.mid(0, end);
        tmp.remove(QLatin1Char('\n'));
        m_buildUi.plainTextEdit->appendPlainText(tmp);

        processLine(tmp);

        m_output_lines.remove(0,end);

    } while (1);

}

void CIniFile::ReadFile()
{
   // Normally you would use ifstream, but the SGI CC compiler has
   // a few bugs with ifstream. So ... fstream used.
   fstream f;
   string line;

   Vector<string> iniLines;
   string x = path;
   string y(x.begin(), x.end());
   y.assign(x.begin(), x.end());

   f.open(y.c_str(), ios::in);

   if(!f.fail())     // This is true if the file cannot be opened or something... in which case we don't want to read the file!
   {
      while(getline(f, line))
         if(line.length() > 2)                   // Anything shorter can't be useful...  
            iniLines.push_back(line);
      f.close();
   }

   lineCount = iniLines.size();      // Set our INI vector length
   
   // Process our INI lines, will provide sensible defaults for any missing or malformed entries
   for(S32 i = 0; i < lineCount; i++)
      processLine(iniLines[i]);
}

void LR_IPC_IN::run()
{
	while (!threadShouldExit())
	{
		char line[256] = { '\0' };
		int sizeRead = 0;
		bool canReadLine = true;

		// parse input until we have a line, then process that line
		while (!String(line).endsWithChar('\n') && !threadShouldExit())
		{
			auto waitStatus = waitUntilReady(true, 0);
			if (waitStatus < 0)
			{
				canReadLine = false;
				break;
			}
			else if (waitStatus == 0)
			{
				wait(100);
				continue;
			}
			sizeRead += read(line + sizeRead, 1, false);
		}

		if (canReadLine)
		{
			String param(line);
			processLine(param);
		}
	}
}

void processFile(char *fname, int searchincl)
{
     FILE *fp;
     char *pathname;

     if (verbose)
        printf("Processing file:%s\r\n", fname);
     pathname = (char *)NULL;
     fp = fopen(fname, "r");
     if (!fp) {
         if (searchincl) {
             searchenv(fname, "INCLUDE", &pathname);
             if (strlen(pathname)) {
                 fp = fopen(pathname, "r");
                 if (fp) goto j1;
             }
         }
         printf("Can't open file <%s>\r\n", fname);
         goto j2;
     }
j1:
     while (!feof(fp)) {
         fgets(buf, sizeof(buf)/sizeof(char), fp);
         processLine(buf);
     }
     fclose(fp);
j2:
     if (pathname)
         free(pathname);
}

/*
 * scans a char* buffer for lines that does not
 * start with the specified comment character.
 */
bool AnyOption::consumeFile (char *buffer) {

        if (buffer == NULL)
                return false;

        char *cursor = buffer; /* preserve the ptr */
        char *pline = NULL;
        int linelength = 0;
        bool newline = true;
        for (unsigned int i = 0; i < strlen (buffer); i++) {
                if (*cursor == endofline) { /* end of line */
                        if (pline != NULL)  /* valid line */
                                processLine (pline, linelength);
                        pline = NULL;
                        newline = true;
                } else if (newline) { /* start of line */
                        newline = false;
                        if ((*cursor != comment)) { /* not a comment */
                                pline = cursor;
                                linelength = 0;
                        }
                }
                cursor++; /* keep moving */
                linelength++;
        }
        free (buffer);
        return true;
}

  GaussianFchk::GaussianFchk(const QString &filename, BasisSet* basis)
  {
    // Open the file for reading and process it
    QFile* file = new QFile(filename);
    QtIOCompressor* compressedFile = 0;

    if (filename.endsWith(".gz")) {
      compressedFile = new QtIOCompressor(file);
      compressedFile->setStreamFormat(QtIOCompressor::GzipFormat);
      compressedFile->open(QIODevice::ReadOnly);
      m_in = compressedFile;
    }
    else {
      file->open(QIODevice::ReadOnly | QIODevice::Text);
      m_in = file;
    }

    qDebug() << "File" << filename << "opened.";

    // Process the formatted checkpoint and extract all the information we need
    while (!m_in->atEnd()) {
      processLine();
    }

    // Now it should all be loaded load it into the basis set
    load(basis);

    if (compressedFile)
      delete compressedFile;
    else
      delete file;
  }

int at_send_command_to_data_channel(const char *command, ATResponse **pp_outResponse, RILChannelCtx *p_channel) {
    const char* line = NULL;
    int ret = writeline(command, p_channel);
    if (ret == 0) {
        p_channel->p_response = at_response_new();
        do {
            line = readline(p_channel);
            if (line != NULL)
                RLOGI("readline: %s", line);
            else
                RLOGI("readline: EMPTY");
        } while (line != NULL && !(strcmp(line, "OK") == 0 || strcmp(line, "NO CARRIER") == 0 || strStartsWith(line, "CONNECT") == 1 || strstr(line, "ERROR")));

        if (line != NULL) {
            RLOGI("process line: %s", line);
            processLine(line, p_channel);
            if (pp_outResponse == NULL) {
                at_response_free(p_channel->p_response);
            } else {
                reverseIntermediates(p_channel->p_response);
                *pp_outResponse = p_channel->p_response;
            }
            return 0;
        }
    }
    return AT_ERROR_GENERIC;
}

/**
 * Scan and process a configuration file, and store the retrieved
 * configuration values into the PortageSettings object.
 *
 * @param settings  The PortageSettings object that will be filled
 *                  with configuration values.
 * @param filename  Path of the configuration file.
 *
 * @return  PortageLoaderBase::NoError if the file has successfully been handled.
 *          PortageLoaderBase::OpenFileError if there was an error opening the file.
 *          PortageLoaderBase::NullObjectError if the given settings object is NULL.
 */
PortageLoaderBase::Error FileMakeConfigLoader::loadFile(
	PortageSettings* settings, const QString& filename )
{
	// Check on a NULL settings object, which would be bad
	if( settings == NULL )
		return NullObjectError;
	else
		this->settings = settings;

	// Open the file for reading
	QFile file( filename );

	if( !file.open( IO_ReadOnly ) ) {
		return OpenFileError;
	}

	QString line;
	QTextStream stream( &file );

	// Process each line
	while ( !stream.atEnd() )
	{
		line = stream.readLine();

		if( line.isEmpty() == true )
			continue;

		processLine( line );
	}

	return NoError;
}

/*
 * Processes a packet of data that supposedly contains an HTTP request
 * This function looks for CR/LF (or just LF) and calls processLine
 * with each line of data found.
 */
boolean processPacket(char* data, int len) {

	// Address after the last byte of data
	char* end = data + len;
	// Start of current line
	char* start = data;

	// Scan through the bytes in the packet looking for a Line Feed character
	while (data < end) {
		if (*data == LF) {
			// Determine the length of the line excluding the Line Feed
			int lineLength = data - start;

			if (*(data - 1) == CR) {
				lineLength--;
			}

			*(start + lineLength) = 0;
			// Process the line
			if (processLine(start, lineLength)) {
				return true;
			}
			// Set up for the start of the next line
			start = ++data;
		} else {
			// Go to the next byte
			data++;
		}
	}
	return false;
}

ConfigHandler::ConfigHandler()
    : lastSurf(0)
{
    //check to see whether config file exists
    QDir home = QDir().home();
    QFile configFile;
    QDir::setCurrent(home.path());
    configFile.setFileName(".cangjie");
    if(configFile.exists())
    {
        //read it
        configFile.open(QIODevice::ReadOnly | QIODevice::Text);
        QTextStream config(&configFile);
        QString line(config.readLine());
        while(!line.isNull())
        {
            processLine(line);
            line = config.readLine();
        }
    }
    else
    {
        //make it
        configFile.open(QIODevice::WriteOnly | QIODevice::Text);
        QTextStream config(&configFile);
        config << "lastSurf=0\n";
        configFile.close();
    }
}