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elinks/src/main/version.c
Witold Filipczyk c4cb7ed8e5 Beginnings of terminfo support.
--with-terminfo must be added for configure
and --terminfo to command line.
terminfo is only used for output and not all sequences are changed.
2017-11-19 18:29:38 +01:00

195 lines
4.1 KiB
C

/* Version information */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "elinks.h"
#include "intl/gettext/libintl.h"
#include "main/module.h"
#include "main/version.h"
#include "terminal/terminal.h"
#include "util/error.h"
#include "util/memory.h"
#include "util/string.h"
#include "vernum.h"
#if defined(CONFIG_LIBEV) || defined(CONFIG_LIBEVENT)
extern int event_enabled;
#endif
static void
add_module_to_string(struct string *string, struct module *module,
struct terminal *term)
{
struct module *submodule;
int i;
if (module->name) add_to_string(string, _(module->name, term));
if (!module->submodules) return;
add_to_string(string, " (");
foreach_module (submodule, module->submodules, i) {
if (i > 0) add_to_string(string, ", ");
add_module_to_string(string, submodule, term);
}
add_to_string(string, ")");
}
static void
add_modules_to_string(struct string *string, struct terminal *term)
{
struct module *module;
int i;
foreach_module (module, builtin_modules, i) {
if (i > 0) add_to_string(string, ", ");
add_module_to_string(string, module, term);
}
}
/* Wrap string on spaces starting at position @start_at, trying
* to keep lines undex @maxlen length */
static void
wrap_string(struct string *string, int start_at, int maxlen)
{
unsigned char *pos, *start_pos;
unsigned char *last_pos = NULL;
assert(string && string->source && start_at < string->length);
if_assert_failed return;
if (maxlen <= 0) return;
pos = start_pos = &string->source[start_at];
while ((pos = strchr((const char *)pos, ' '))) {
int len = pos - start_pos;
if (len < maxlen) {
last_pos = pos;
pos++;
} else {
if (last_pos) *last_pos = '\n';
pos = start_pos = last_pos + 1;
}
if (!*pos) break;
}
}
/* @more will add more information especially for info box. */
unsigned char *
get_dyn_full_version(struct terminal *term, int more)
{
static const unsigned char comma[] = ", ";
struct string string;
if (!init_string(&string)) return NULL;
add_format_to_string(&string, "ELinks %s", VERSION_STRING);
if (*build_id) {
add_char_to_string(&string, more ? '\n' : ' ');
add_format_to_string(&string, "%s", build_id);
}
add_char_to_string(&string, '\n');
add_format_to_string(&string, _("Built on %s %s", term),
build_date, build_time);
if (more) {
add_to_string(&string, "\n\n");
add_to_string(&string, _("Text WWW browser", term));
}
string_concat(&string,
"\n\n",
_("Features:", term), "\n",
#ifndef CONFIG_DEBUG
_("Standard", term),
#else
_("Debug", term),
#endif
#ifdef CONFIG_FASTMEM
comma, _("Fastmem", term),
#endif
#ifdef CONFIG_OWN_LIBC
comma, _("Own Libc Routines", term),
#endif
#ifndef CONFIG_BACKTRACE
comma, _("No Backtrace", term),
#endif
#ifdef CONFIG_IPV6
comma, "IPv6",
#endif
#ifdef CONFIG_BROTLI
comma, "brotli",
#endif
#ifdef CONFIG_GZIP
comma, "gzip",
#endif
#ifdef CONFIG_BZIP2
comma, "bzip2",
#endif
#ifdef CONFIG_LZMA
comma, "lzma",
#endif
#ifndef CONFIG_MOUSE
comma, _("No mouse", term),
#endif
#ifdef CONFIG_UTF8
comma, "UTF-8",
#endif
#ifdef CONFIG_COMBINE
comma, _("Combining characters", term),
#endif
#ifdef CONFIG_LIBEV
comma, (event_enabled ? _("libev", term) : _("libev (disabled)", term)),
#endif
#ifdef CONFIG_LIBEVENT
comma, (event_enabled ? _("libevent", term) : _("libevent (disabled)", term)),
#endif
#ifdef CONFIG_TERMINFO
comma, (get_cmd_opt_bool("terminfo") ? _("terminfo", term) : _("terminfo (disabled)", term)),
#endif
comma,
(unsigned char *) NULL
);
add_modules_to_string(&string, term);
if (!more) {
int start_at = 0;
unsigned char *last_newline = strrchr((const char *)string.source, '\n');
if (last_newline) {
start_at = last_newline - string.source + 1;
}
wrap_string(&string, start_at, 72);
}
return string.source;
}
/* This one is used to prevent usage of straconcat() at backtrace time. */
void
init_static_version(void)
{
unsigned char *s = get_dyn_full_version((struct terminal *) NULL, 0);
if (s) {
safe_strncpy(full_static_version, s, sizeof(full_static_version));
mem_free(s);
}
}