1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216
|
/*
* file.c -- utility functions for import/export hnb
*
* Copyright (C) 2001-2003 yvind Kols <pippin@users.sourceforge.net>
*
* 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 2, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "tree.h"
#include "file.h"
#include "prefs.h"
#include "ui_cli.h"
void init_import (import_state_t * is, Node *node)
{
is->npos = node;
is->startlevel = nodes_left (node);
}
/*
*
* @return the node inserted
* */
Node *import_node_text (import_state_t * is, int level, char *data)
{
int node_level;
level += is->startlevel;
while ((node_level = nodes_left (is->npos)) > level)
is->npos = node_left (is->npos);
if (node_level == level)
is->npos = node_insert_down (is->npos);
if (node_level < level)
is->npos = node_insert_right (is->npos);
node_set (is->npos, TEXT, data);
return is->npos;
}
/*
*
* @return the node inserted, no need to free the node afterwards
* */
Node *import_node (import_state_t * is, int level, Node *node)
{
int node_level;
level += is->startlevel;
while ((node_level = nodes_left (is->npos)) > level)
is->npos = node_left (is->npos);
if (node_level == level)
is->npos = node_insert_down (is->npos);
if (node_level < level)
is->npos = node_insert_right (is->npos);
node_swap (node, is->npos);
node_free (is->npos);
is->npos = node;
return is->npos;
}
/* returns 1 if the first couple of lines of file contains 'xml' */
int xml_check (char *filename)
{
FILE *file;
char buf[bufsize];
int j;
file = fopen (filename, "r");
if (file == NULL)
return -1;
for (j = 0; j < 2; j++) {
if (fgets (buf, bufsize, file) == NULL) {
fclose (file);
return 0;
}
if (strstr (buf, "xml") != 0) {
fclose (file);
return 1;
}
}
fclose (file);
return 0;
}
/* returns the node number stored in the comment, if available */
int xml_getpos (char *filename)
{
FILE *file;
char buf[bufsize];
char *s;
int j;
file = fopen (filename, "r");
if (file == NULL)
return -1;
for (j = 0; j < 2; j++) {
if (fgets (buf, bufsize, file) == NULL) {
fclose (file);
return 0;
}
if ((s = strstr (buf, "<?hnb pos=\""))) {
fclose (file);
return atoi (&s[11]);
}
}
fclose (file);
return -1;
}
/*returns 1 if file exists*/
int file_check (char *filename)
{
FILE *file;
file = fopen (filename, "r");
if (file == NULL)
return 0;
fclose (file);
return 1;
}
static void* cmd_save (int argc,char **argv, void *data)
{
Node *pos = (Node *) data;
if(prefs.readonly){
docmd (pos, "status \"readonly mode, not writing to disk\"\n");
return pos;
}
if (prefs.db_file[0] != (char) 255) { /* magic value of tutorial */
{
char buf[4096];
char swapfile[4096];
sprintf(swapfile,"%s~",prefs.db_file);
remove(swapfile);
docmd (pos, "autosave_threshold_nodes_changed 0");
if (!strcmp(prefs.format,"hnb") || !strcmp(prefs.format,"opml")) {
sprintf (buf, "export_%s %s %i", prefs.format, prefs.db_file,
node_no (pos) - 1);
} else {
sprintf (buf, "export_%s %s", prefs.format, prefs.db_file);
}
docmd (node_root (pos), buf);
}
} else {
/* make tutorial users initial database, if initial database dont exist */
}
return pos;
}
static void* cmd_revert (int argc,char **argv, void *data)
{
Node *pos = (Node *) data;
if (prefs.db_file[0] != (char) 255) {
{
char buf[4096];
sprintf (buf, "import_%s %s", prefs.format, prefs.db_file);
node_free(pos);
pos=tree_new();
pos=docmd (pos, buf);
}
}
return pos;
}
/*
!init_file();
*/
void init_file ()
{
cli_add_command ("save", cmd_save, "");
cli_add_help ("save", "Saves the data");
cli_add_command ("revert", cmd_revert, "");
cli_add_help ("revert", "Revert to last saved version");
}
|