gecko-dev/lib/layout/laylist.c

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1998-03-28 02:44:41 +00:00
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "xp.h"
#include "pa_parse.h"
#include "layout.h"
#ifdef PROFILE
#pragma profile on
#endif
lo_ListStack *
lo_DefaultList(lo_DocState *state)
{
lo_ListStack *lptr;
lptr = XP_NEW(lo_ListStack);
if (lptr == NULL)
{
return(NULL);
}
lptr->type = P_UNKNOWN;
lptr->level = 0;
lptr->value = 1;
lptr->compact = FALSE;
lptr->bullet_type = BULLET_BASIC;
lptr->quote_type = QUOTE_NONE;
lptr->old_left_margin = state->win_left;
lptr->old_right_margin = state->win_width - state->win_right;
lptr->next = NULL;
return(lptr);
}
/* mquote means quoted mail message */
void
lo_PushList(lo_DocState *state, PA_Tag *tag, int8 quote_type)
{
lo_ListStack *lptr;
intn bullet_type;
int32 val;
Bool no_level;
int32 mquote_line_num = 0;
int32 mquote_x = 0;
val = 1;
no_level = FALSE;
switch (tag->type)
{
/*
* Blockquotes and multicolumns pretend to be the current
* list type, unless the current list is nothing.
* Now we have DIV tags that can act like MULTICOL tags.
*/
case P_MULTICOLUMN:
case P_DIVISION:
case P_BLOCKQUOTE:
bullet_type = state->list_stack->bullet_type;
no_level = TRUE;
if (state->list_stack->type != P_UNKNOWN)
{
tag->type = state->list_stack->type;
}
val = state->list_stack->value;
break;
case P_NUM_LIST:
bullet_type = BULLET_NUM;
break;
case P_UNUM_LIST:
case P_MENU:
case P_DIRECTORY:
bullet_type = BULLET_BASIC;
break;
default:
bullet_type = BULLET_NONE;
break;
}
/* Support for mail compose quoting. */
if (quote_type != QUOTE_NONE)
{
mquote_line_num = state->line_num;
mquote_x = state->left_margin;
}
lptr = XP_NEW(lo_ListStack);
if (lptr == NULL)
{
state->top_state->out_of_memory = TRUE;
return;
}
lptr->type = tag->type;
if (no_level != FALSE)
{
lptr->level = state->list_stack->level;
}
else
{
lptr->level = state->list_stack->level + 1;
}
lptr->compact = FALSE;
lptr->value = val;
lptr->bullet_type = bullet_type;
lptr->old_left_margin = state->left_margin;
lptr->old_right_margin = state->right_margin;
lptr->quote_type = quote_type;
lptr->mquote_line_num = mquote_line_num;
lptr->mquote_x = mquote_x;
lptr->next = state->list_stack;
state->list_stack = lptr;
}
lo_ListStack *
lo_PopList(lo_DocState *state, PA_Tag *tag)
{
lo_ListStack *lptr;
lptr = state->list_stack;
if ((lptr->type == P_UNKNOWN)||(lptr->next == NULL))
{
return(NULL);
}
state->list_stack = lptr->next;
lptr->next = NULL;
return(lptr);
}
#ifdef PROFILE
#pragma profile off
#endif