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/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright (C) 1995 Matthias Ettrich
* Copyright (C) 1995-1998 The LyX Team.
*
*======================================================*/
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "texrow.h"
#include "lyxparagraph.h"
#include "error.h"
// $Id: texrow.C,v 1.1.1.1 1998/04/20 21:14:56 larsbj Exp $
#if !defined(lint) && !defined(WITH_WARNINGS)
static char vcid[] = "$Id: texrow.C,v 1.1.1.1 1998/04/20 21:14:56 larsbj Exp $";
#endif /* lint */
// Delete linked list
void TexRow::reset()
{
TexRow_Item *current, *iter = next;
while (iter) {
// Iterate through the list deleting as you go.
// A bit easier to debug than recursive deletion.
current = iter;
iter = iter->next;
delete current;
}
count = 0;
next = 0;
lastpar = 0;
lastpos = -1;
}
// Defines paragraph and position for the beginning of this row
void TexRow::start(LyXParagraph *par, int pos) {
lastpar = par;
lastpos = pos;
}
// Insert node when line is completed
void TexRow::newline()
{
TexRow_Item *tmp = new TexRow_Item;
tmp->pos = lastpos;
if (lastpar)
tmp->id = lastpar->GetID();
else
tmp->id = -1;
// Inserts at the beginning of the list
tmp->next = next;
next = tmp;
count++;
tmp->rownumber = count;
}
void TexRow::getIdFromRow(int row, int &id, int &pos)
{
TexRow_Item *tmp = next;
while (tmp && tmp->rownumber != row) {
tmp = tmp->next;
}
if (tmp) {
TexRow_Item *tmp2 = next;
// Increase the pos of all rows with the
// same id (and where the pos is larger)
// to avoid putting errorinsets at the
// same pos.
while (tmp2) {
if (tmp2 != tmp &&
tmp2->id == tmp->id &&
tmp2->pos >= tmp->pos)
tmp2->pos++;
tmp2 = tmp2->next;
}
id = tmp->id;
pos = tmp->pos;
} else {
id = -1;
pos = 0;
}
}
TexRow & TexRow::operator+=(const TexRow &tr)
{
// remember that the lists are stored in reverse
// so you've got to turn the second one around
// as you insert it in the first
for (int counter = tr.count; counter > 0; --counter) {
int i = 1;
TexRow_Item *iter = tr.next;
while (i < counter) {
iter = iter->next;
++i;
}
++count;
TexRow_Item *tmp;
tmp = new TexRow_Item;
tmp->id = iter->id;
tmp->pos = iter->pos;
tmp->next = next;
tmp->rownumber = count;
next = tmp;
}
// should I be doing this or not?
//lastpar = tr.lastpar;
//lastpos = tr.lastpos;
return *this;
}
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