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/*
* File: history.c
*
* Copyright (C) 2001, 2002 Jorge Arellano Cid <jcid@dillo.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*/
/*
* Linear history (it also provides indexes for the navigation stack)
*/
#include "list.h"
#include "history.h"
typedef struct {
DilloUrl *url;
char *title;
} H_Item;
/* Global history list */
static H_Item *history = NULL;
static int history_size = 0; /* [1 based] */
static int history_size_max = 16;
/*
* Add a new H_Item at the end of the history list
* (taking care of not making a duplicate entry)
*/
int a_History_add_url(DilloUrl *url)
{
int i, idx;
for (i = 0; i < history_size; ++i)
if (a_Url_cmp(history[i].url, url) == 0)
return i;
idx = history_size;
a_List_add(history, history_size, history_size_max);
history[idx].url = a_Url_dup(url);
history[idx].title = NULL;
++history_size;
return idx;
}
/*
* Set the page-title for a given URL (by idx)
* (this is known when the first chunks of HTML data arrive)
*/
int a_History_set_title(int idx, const char *title)
{
dReturn_val_if_fail(idx >= 0 && idx < history_size, 0);
dFree(history[idx].title);
history[idx].title = dStrdup(title);
return 1;
}
/*
* Return the DilloUrl camp (by index)
*/
DilloUrl *a_History_get_url(int idx)
{
dReturn_val_if_fail(idx >= 0 && idx < history_size, NULL);
return history[idx].url;
}
/*
* Return the title camp (by index)
* ('force' returns URL_STR when there's no title)
*/
const char *a_History_get_title(int idx, int force)
{
dReturn_val_if_fail(idx >= 0 && idx < history_size, NULL);
if (history[idx].title)
return history[idx].title;
else if (force)
return URL_STR(history[idx].url);
else
return NULL;
}
/*
* Return the title camp (by url)
* ('force' returns URL_STR when there's no title)
*/
const char *a_History_get_title_by_url(DilloUrl *url, int force)
{
int i;
dReturn_val_if_fail(url != NULL, NULL);
for (i = 0; i < history_size; ++i)
if (a_Url_cmp(url, history[i].url) == 0)
break;
if (i < history_size && history[i].title)
return history[i].title;
else if (force)
return URL_STR_(url);
return NULL;
}
/*
* Free all the memory used by this module
*/
void a_History_free()
{
int i;
for (i = 0; i < history_size; ++i) {
a_Url_free(history[i].url);
dFree(history[i].title);
}
dFree(history);
}
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