static void
hex_document_real_redo (HexDocument *doc)
{
HexChangeData *cd;
gint len;
guchar *rep_data;
gchar c_val;
undo_stack_ascend(doc);
cd = (HexChangeData *)doc->undo_top->data;
switch(cd->type)
{
case HEX_CHANGE_BYTE:
if(cd->start >= 0 && cd->end <= doc->file_size)
{
c_val = hex_document_get_byte(doc, cd->start);
if(cd->rep_len > 0)
hex_document_set_byte(doc, cd->v_byte, cd->start, FALSE, FALSE);
else if(cd->rep_len == 0)
hex_document_set_byte(doc, cd->v_byte, cd->start, cd->insert, FALSE);
#if 0
hex_document_delete_data(doc, cd->start, 1, FALSE);
#endif
else
hex_document_set_byte(doc, cd->v_byte, cd->start, TRUE, FALSE);
cd->v_byte = c_val;
}
gint
hex_document_compare_data(HexDocument *doc, guchar *s2, gint pos, gint len)
{
guchar c1;
guint i;
for(i = 0; i < len; i++, s2++) {
c1 = hex_document_get_byte(doc, pos + i);
if(c1 != (*s2))
return (c1 - (*s2));
}
return 0;
}
static void
hex_document_real_undo (HexDocument *doc)
{
HexChangeData *cd;
gint len;
guchar *rep_data;
gchar c_val;
cd = (HexChangeData *)doc->undo_top->data;
switch(cd->type)
{
case HEX_CHANGE_BYTE:
if(cd->start >= 0 && cd->end < doc->file_size)
{
c_val = hex_document_get_byte(doc, cd->start);
if(cd->rep_len > 0)
hex_document_set_byte(doc, cd->v_byte, cd->start, FALSE, FALSE);
else if(cd->rep_len == 0)
hex_document_delete_data(doc, cd->start, 1, FALSE);
else
hex_document_set_byte(doc, cd->v_byte, cd->start, TRUE, FALSE);
cd->v_byte = c_val;
}
break;
case HEX_CHANGE_STRING:
len = cd->end - cd->start + 1;
rep_data = hex_document_get_data(doc, cd->start, len);
hex_document_set_data(doc, cd->start, cd->rep_len, len, cd->v_string, FALSE);
g_free(cd->v_string);
cd->end = cd->start + cd->rep_len - 1;
cd->rep_len = len;
cd->v_string = rep_data;
break;
}
hex_document_changed(doc, cd, FALSE);
undo_stack_descend(doc);
}
gint
hex_document_export_html(HexDocument *doc, gchar *html_path, gchar *base_name,
guint start, guint end, guint cpl, guint lpp,
guint cpw)
{
GtkWidget *progress_dialog, *progress_bar;
FILE *file;
int page, line, pos, lines, pages, c;
gchar *page_name, b;
gint update_pages;
gchar *progress_str;
lines = (end - start)/cpl;
if((end - start)%cpl != 0)
lines++;
pages = lines/lpp;
if(lines%lpp != 0)
pages++;
update_pages = pages/1000 + 1;
/* top page */
page_name = g_strdup_printf("%s/%s.html", html_path, base_name);
file = fopen(page_name, "w");
g_free(page_name);
if(!file)
return FALSE;
fprintf(file, "<HTML>\n<HEAD>\n");
fprintf(file, "<META HTTP-EQUIV=\"Content-Type\" "
"CONTENT=\"text/html; charset=UTF-8\">\n");
fprintf(file, "<META NAME=\"hexdata\" CONTENT=\"GHex export to HTML\">\n");
fprintf(file, "</HEAD>\n<BODY>\n");
fprintf(file, "<CENTER>");
fprintf(file, "<TABLE BORDER=\"0\" CELLSPACING=\"0\" CELLPADDING=\"0\">\n");
fprintf(file, "<TR>\n<TD COLSPAN=\"3\"><B>%s</B></TD>\n</TR>\n",
doc->file_name?doc->file_name:doc->path_end);
fprintf(file, "<TR>\n<TD COLSPAN=\"3\"> </TD>\n</TR>\n");
for(page = 0; page < pages; page++)
{
fprintf(file, "<TR>\n<TD>\n<A HREF=\"%s%08d.html\"><PRE>", base_name, page);
fprintf(file, _("Page"));
fprintf(file, " %d</PRE></A>\n</TD>\n<TD> </TD>\n<TD VALIGN=\"CENTER\"><PRE>%08x -", page+1, page*cpl*lpp);
fprintf(file, " %08x</PRE></TD>\n</TR>\n", MIN((page+1)*cpl*lpp-1, doc->file_size-1));
}
fprintf(file, "</TABLE>\n</CENTER>\n");
fprintf(file, "<HR WIDTH=\"100%%\">");
fprintf(file, _("Hex dump generated by"));
fprintf(file, " <B>"LIBGTKHEX_RELEASE_STRING"</B>\n");
fprintf(file, "</BODY>\n</HTML>\n");
fclose(file);
progress_dialog = gtk_dialog_new();
gtk_window_set_resizable(GTK_WINDOW(progress_dialog), FALSE);
gtk_window_set_modal(GTK_WINDOW(progress_dialog), TRUE);
g_signal_connect(G_OBJECT(progress_dialog), "delete-event",
G_CALLBACK(ignore_cb), NULL);
gtk_window_set_title(GTK_WINDOW(progress_dialog),
_("Saving to HTML..."));
progress_bar = gtk_progress_bar_new();
gtk_widget_show(progress_bar);
gtk_container_add(GTK_CONTAINER(gtk_dialog_get_content_area(GTK_DIALOG(progress_dialog))),
progress_bar);
gtk_widget_show(progress_dialog);
pos = start;
g_object_ref(G_OBJECT(doc));
for(page = 0; page < pages; page++)
{
if((page%update_pages) == 0)
{
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress_bar),
(gdouble)page/(gdouble)pages);
progress_str = g_strdup_printf("%d/%d", page, pages);
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar),
progress_str);
g_free(progress_str);
while(gtk_events_pending())
gtk_main_iteration();
}
/* write page header */
page_name = g_strdup_printf("%s/%s%08d.html",
html_path, base_name, page);
file = fopen(page_name, "w");
g_free(page_name);
if(!file)
break;
/* write header */
fprintf(file, "<HTML>\n<HEAD>\n");
fprintf(file, "<META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=iso-8859-1\">\n");
fprintf(file, "<META NAME=\"hexdata\" CONTENT=\"GHex export to HTML\">\n");
fprintf(file, "</HEAD>\n<BODY>\n");
/* write top table |previous|filename: page/pages|next| */
fprintf(file, "<TABLE BORDER=\"0\" CELLSPACING=\"0\" WIDTH=\"100%%\">\n");
fprintf(file, "<TR>\n<TD WIDTH=\"33%%\">\n");
if(page > 0)
{
fprintf(file, "<A HREF=\"%s%08d.html\">", base_name, page-1);
fprintf(file, _("Previous page"));
fprintf(file, "</A>");
}
else
fprintf(file, " ");
fprintf(file, "\n</TD>\n");
fprintf(file, "<TD WIDTH=\"33%%\" ALIGN=\"CENTER\">\n");
fprintf(file, "<A HREF=\"%s.html\">", base_name);
fprintf(file, "%s:", doc->path_end);
fprintf(file, "</A>");
fprintf(file, " %d/%d", page+1, pages);
fprintf(file, "\n</TD>\n");
fprintf(file, "<TD WIDTH=\"33%%\" ALIGN=\"RIGHT\">\n");
if(page < pages - 1)
{
fprintf(file, "<A HREF=\"%s%08d.html\">", base_name, page+1);
fprintf(file, _("Next page"));
fprintf(file, "</A>");
}
else
fprintf(file, " ");
fprintf(file, "\n</TD>\n");
fprintf(file, "</TR>\n</TABLE>\n");
/* now the actual data */
fprintf(file, "<CENTER>\n");
fprintf(file, "<TABLE BORDER=\"1\" CELLSPACING=\"2\" CELLPADDING=\"2\">\n");
fprintf(file, "<TR>\n<TD>\n");
fprintf(file, "<TABLE BORDER=\"0\" CELLSPACING=\"0\" CELLPADDING=\"0\">\n");
for(line = 0; line < lpp && pos + line*cpl < doc->file_size; line++)
{
/* offset of line*/
fprintf(file, "<TR>\n<TD>\n");
fprintf(file, "<PRE>%08x</PRE>\n", pos + line*cpl);
fprintf(file, "</TD>\n</TR>\n");
}
fprintf(file, "</TABLE>\n");
fprintf(file, "</TD>\n<TD>\n");
fprintf(file, "<TABLE BORDER=\"0\" CELLSPACING=\"0\" CELLPADDING=\"0\">\n");
c = 0;
for(line = 0; line < lpp; line++)
{
/* hex data */
fprintf(file, "<TR>\n<TD>\n<PRE>");
while(pos + c < end)
{
fprintf(file, "%02x", hex_document_get_byte(doc, pos + c));
c++;
if(c%cpl == 0)
break;
if(c%cpw == 0)
fprintf(file, " ");
}
fprintf(file, "</PRE>\n</TD>\n</TR>\n");
}
fprintf(file, "</TABLE>\n");
fprintf(file, "</TD>\n<TD>\n");
fprintf(file, "<TABLE BORDER=\"0\" CELLSPACING=\"0\" CELLPADDING=\"0\">\n");
c = 0;
for(line = 0; line < lpp; line++)
{
/* ascii data */
fprintf(file, "<TR>\n<TD>\n<PRE>");
while(pos + c < end)
{
b = hex_document_get_byte(doc, pos + c);
if(b >= 0x20)
fprintf(file, "%c", b);
else
fprintf(file, ".");
c++;
if(c%cpl == 0)
break;
}
fprintf(file, "</PRE></TD>\n</TR>\n");
if(pos >= end)
line = lpp;
}
pos += c;
fprintf(file, "</TD>\n</TR>\n");
fprintf(file, "</TABLE>\n");
fprintf(file, "</TABLE>\n</CENTER>\n");
fprintf(file, "<HR WIDTH=\"100%%\">");
fprintf(file, _("Hex dump generated by"));
fprintf(file, " <B>" LIBGTKHEX_RELEASE_STRING "</B>\n");
fprintf(file, "</BODY>\n</HTML>\n");
fclose(file);
}
g_object_unref(G_OBJECT(doc));
gtk_widget_destroy(progress_dialog);
return TRUE;
}
