Collaboration diagram for TiXmlParsingData:

Public Member Functions
void	Stamp (const char *now, TiXmlEncoding encoding)
const TiXmlCursor &	Cursor ()
Private Member Functions
	TiXmlParsingData (const char *start, int _tabsize, int row, int col)
Private Attributes
TiXmlCursor	cursor
const char *	stamp
int	tabsize
Friends
class	TiXmlDocument

Detailed Description

Definition at line 171 of file tinyxmlparser.cpp.

Constructor & Destructor Documentation

TiXmlParsingData::TiXmlParsingData	(	const char *	start,
		int	_tabsize,
		int	row,
		int	col
	)		`[inline, private]`

Definition at line 181 of file tinyxmlparser.cpp.

        {
                assert( start );
                stamp = start;
                tabsize = _tabsize;
                cursor.row = row;
                cursor.col = col;
        }

Member Function Documentation

const TiXmlCursor& TiXmlParsingData::Cursor ( ) [inline]

Definition at line 177 of file tinyxmlparser.cpp.

{ return cursor; }

Here is the caller graph for this function:

void TiXmlParsingData::Stamp	(	const char *	now,
		TiXmlEncoding	encoding
	)

Definition at line 196 of file tinyxmlparser.cpp.

{
        assert( now );

        // Do nothing if the tabsize is 0.
        if ( tabsize < 1 )
        {
                return;
        }

        // Get the current row, column.
        int row = cursor.row;
        int col = cursor.col;
        const char* p = stamp;
        assert( p );

        while ( p < now )
        {
                // Treat p as unsigned, so we have a happy compiler.
                const unsigned char* pU = (const unsigned char*)p;

                // Code contributed by Fletcher Dunn: (modified by lee)
                switch (*pU) {
                        case 0:
                                // We *should* never get here, but in case we do, don't
                                // advance past the terminating null character, ever
                                return;

                        case '\r':
                                // bump down to the next line
                                ++row;
                                col = 0;                                
                                // Eat the character
                                ++p;

                                // Check for \r\n sequence, and treat this as a single character
                                if (*p == '\n') {
                                        ++p;
                                }
                                break;

                        case '\n':
                                // bump down to the next line
                                ++row;
                                col = 0;

                                // Eat the character
                                ++p;

                                // Check for \n\r sequence, and treat this as a single
                                // character.  (Yes, this bizarre thing does occur still
                                // on some arcane platforms...)
                                if (*p == '\r') {
                                        ++p;
                                }
                                break;

                        case '\t':
                                // Eat the character
                                ++p;

                                // Skip to next tab stop
                                col = (col / tabsize + 1) * tabsize;
                                break;

                        case TIXML_UTF_LEAD_0:
                                if ( encoding == TIXML_ENCODING_UTF8 )
                                {
                                        if ( *(p+1) && *(p+2) )
                                        {
                                                // In these cases, don't advance the column. These are
                                                // 0-width spaces.
                                                if ( *(pU+1)==TIXML_UTF_LEAD_1 && *(pU+2)==TIXML_UTF_LEAD_2 )
                                                        p += 3; 
                                                else if ( *(pU+1)==0xbfU && *(pU+2)==0xbeU )
                                                        p += 3; 
                                                else if ( *(pU+1)==0xbfU && *(pU+2)==0xbfU )
                                                        p += 3; 
                                                else
                                                        { p +=3; ++col; }       // A normal character.
                                        }
                                }
                                else
                                {
                                        ++p;
                                        ++col;
                                }
                                break;

                        default:
                                if ( encoding == TIXML_ENCODING_UTF8 )
                                {
                                        // Eat the 1 to 4 byte utf8 character.
                                        int step = TiXmlBase::utf8ByteTable[*((const unsigned char*)p)];
                                        if ( step == 0 )
                                                step = 1;               // Error case from bad encoding, but handle gracefully.
                                        p += step;

                                        // Just advance one column, of course.
                                        ++col;
                                }
                                else
                                {
                                        ++p;
                                        ++col;
                                }
                                break;
                }
        }
        cursor.row = row;
        cursor.col = col;
        assert( cursor.row >= -1 );
        assert( cursor.col >= -1 );
        stamp = p;
        assert( stamp );
}