dtdocbook: merge dtinfogen into dtdocbook.
This commit is contained in:
Liang Chang
270
cde/programs/dtdocbook/infolib/OL_Data.C
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270
cde/programs/dtdocbook/infolib/OL_Data.C
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/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/* $XConsortium: OL_Data.C /main/4 1996/08/21 15:47:10 drk $
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*
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* (c) Copyright 1996 Digital Equipment Corporation.
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* (c) Copyright 1996 Hewlett-Packard Company.
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* (c) Copyright 1996 International Business Machines Corp.
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* (c) Copyright 1996 Sun Microsystems, Inc.
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* (c) Copyright 1996 Novell, Inc.
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* (c) Copyright 1996 FUJITSU LIMITED.
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* (c) Copyright 1996 Hitachi.
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*/
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/* exported interfaces */
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#include "OL_Data.h"
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/* imported interfaces */
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <misc/unique_id.h>
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#include "Expression.h"
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#include "AttributeRec.h"
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#include "OLAF.h"
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#include "SGMLName.h"
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#include "Token.h"
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#include "Task.h"
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#include "Dispatch.h"
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#include "SGMLDefn.h"
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#include "AttributeData.h"
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#include "Content.h"
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#include "FirstOf.h"
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#include "GenericId.h"
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#include "Literal.h"
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#include "ConcatTask.h"
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// Debugging macro
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#ifdef DEBUG
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#define DBG(level) if ( dbgLevel >= level)
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#else
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#define DBG(level) if (0)
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#endif
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static int dbgLevel=-1;
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//---------------------------------------------------------------------------
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static char *
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FilteredSpaces( const char *str )
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{
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char *head;
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char *tail = (char *)str + strlen( str ) - 1;
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char *ptr = (char *)str;
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while (1) {
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if ( *ptr != ' ' && *ptr != '\n' && *ptr != '\t' ) {
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head = ptr;
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break;
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}
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else {
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ptr++;
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}
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}
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while (1) {
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if ( *tail != ' ' && *tail != '\n' && *tail != '\t' ) {
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*(tail + 1) = '\0';
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break;
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}
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else { tail--; }
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}
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return ( head );
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}
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//-------------------------------------------------------------------------
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OL_Data::OL_Data( const Token &t,
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int DataType,
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ActionType mode ):BaseData(t,mode)
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{
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char *dbgStr;
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dbgStr = getenv("OL_DEBUG");
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dbgLevel = ( dbgStr ? atoi ( dbgStr ) : 0 );
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/* first generate grep all the mode info */
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istat = mode & IGNORE_ON;
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removeSpaces = mode & REMOVE_SPACES;
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f_name = strdup( t.file() );
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line_num = t.line();
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if ( istat && !Dispatch::OutsideIgnoreScope() ) {
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data_avail = 0;
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return;
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}
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const AttributeRec *attRec;
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if ( !(attRec = t.LookupAttr( DataType )) ) {
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if ( mode & GENERATE_ID ) {
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const char *str = unique_id();
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ValueBuffer.writeStr( str );
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data_avail = 1;
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data_complete = 1;
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}
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else {
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/*
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* The default rule kicks in, i.e use #CONTENT
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*/
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addSubTask( new Content( t, mode) );
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}
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return;
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}
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tokContent.Parse( ( char *)attRec->getAttrValueString() );
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const OL_Expression *eptr = tokContent.exprlist;
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assert(eptr != NULL);
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switch ( eptr->type() ) {
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case REFERENCE:
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{
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BaseData *sub_data = new AttributeData(t, eptr->name(), mode );
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if ( sub_data ) {
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if ( (data_avail= sub_data->DataWillBeAvailable()) ) {
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ValueBuffer.write( sub_data->content(),
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sub_data->content_size() );
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data_complete = 1;
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}
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delete sub_data;
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}
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}
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break;
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case CONTENT:
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addSubTask( new Content(t, mode) );
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break;
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case CONCAT:
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addSubTask( new Concat( t,
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(ExprList *)eptr->data_list(),
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mode) );
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break;
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case FIRSTOF:
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addSubTask( new FirstOf( t,
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(ExprList *)eptr->data_list(),
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mode) );
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break;
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case GENERIC_ID:
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addSubTask( new GenericId( t,
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eptr->name(),
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mode) );
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break;
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case LITERAL:
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data_avail = 1;
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data_complete = 1;
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ValueBuffer.writeStr( ( const char *)eptr->data_list() );
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break;
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default:
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abort();
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}
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}
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//-------------------------------------------------------------------------
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void
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OL_Data::markup( const Token &t )
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{
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DBG(80) cerr << "(DEBUG) OL_Data::markup() " << endl;
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DBG(80) cerr << " t.giName() = " << t.giName() << endl;
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if ( istat && !Dispatch::OutsideIgnoreScope() ) {
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return;
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}
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if ( f_base > 0 ) {
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ComplexTask::markup( t );
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if ( t.type() == END ) {
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if ( f_base == t.level() ) {
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data_complete = 1;
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for ( int i=0; i < ComplexTask::used; i++ ) {
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BaseData *task = ( BaseData *)ComplexTask::subtask(i);
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ValueBuffer.write( task->content(), task->content_size() );
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}
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if ( removeSpaces && ValueBuffer.GetSize() > 0 ) {
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const char *filtered_string = FilteredSpaces( ValueBuffer.GetBuffer() );
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/* rewrite ValueBuffer with the filtered string */
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ValueBuffer.reset();
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ValueBuffer.writeStr( filtered_string );
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}
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DBG(10) printf("Data for <%s> = %s\n", t.giName(),
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ValueBuffer.GetBuffer() );
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reset();
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}
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}
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} /* if level > 0 */
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}
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//-------------------------------------------------------------------------
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void
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OL_Data::data( const char *str, size_t t )
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{
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if ( istat && !Dispatch::OutsideIgnoreScope() ) {
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return;
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}
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if ( f_base > 0 ) {
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ComplexTask::data( str, t );
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}
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}
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//-------------------------------------------------------------------------
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void
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OL_Data::reset()
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{
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f_base = -1;
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istat = removeSpaces = 0;
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removeAllSubTasks();
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}
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