asgml3_line_buf()

static size_t asgml3_line_buf ( const LWLINE *  line, const char *  srs, char *  output, int  precision, int  opts, const char *  prefix, const char *  id  )

static

Definition at line 874 of file lwout_gml.c.

References LWLINE::flags, FLAGS_GET_Z, IS_DIMS, LW_GML_SHORTLINE, lwline_is_empty(), pointArray_toGML3(), and LWLINE::points.

Referenced by asgml3_collection_buf(), asgml3_line(), asgml3_multi_buf(), and asgml3_multicurve_buf().

{
        char *ptr=output;
        int dimension=2;
        int shortline = ( opts & LW_GML_SHORTLINE );

        if (FLAGS_GET_Z(line->flags)) dimension = 3;

        if ( shortline )
        {
                ptr += sprintf(ptr, "<%sLineString", prefix);
        }
        else
        {
                ptr += sprintf(ptr, "<%sCurve", prefix);
        }

        if (srs) ptr += sprintf(ptr, " srsName=\"%s\"", srs);
        if (id)  ptr += sprintf(ptr, " %sid=\"%s\"", prefix, id);

        if ( lwline_is_empty(line) )
        {
                ptr += sprintf(ptr, "/>");
                return (ptr-output);
        }
        ptr += sprintf(ptr, ">");

        if ( ! shortline )
        {
                ptr += sprintf(ptr, "<%ssegments>", prefix);
                ptr += sprintf(ptr, "<%sLineStringSegment>", prefix);
        }

        if (IS_DIMS(opts))
        {
                ptr += sprintf(ptr, "<%sposList srsDimension=\"%d\">",
                               prefix, dimension);
        }
        else
        {
                ptr += sprintf(ptr, "<%sposList>", prefix);
        }

        ptr += pointArray_toGML3(line->points, ptr, precision, opts);

        ptr += sprintf(ptr, "</%sposList>", prefix);

        if ( shortline )
        {
                ptr += sprintf(ptr, "</%sLineString>", prefix);
        }
        else
        {
                ptr += sprintf(ptr, "</%sLineStringSegment>", prefix);
                ptr += sprintf(ptr, "</%ssegments>", prefix);
                ptr += sprintf(ptr, "</%sCurve>", prefix);
        }

        return (ptr-output);
}

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