/* radare2 - LGPL - Copyright 2009-2025 - pancake */

#if R_INCLUDE_BEGIN

static RCoreHelpMessage help_msg_ex = {
	"Usage ex", "[it|port]", " posix shell aliases only",
	"exit", " [v]", "alias for 'q'",
	"export", "[k=[v]]", "alias for '%'",
	NULL
};
static RCoreHelpMessage help_msg_ecH = {
	"Usage ecH[iw-?]", "", "",
	"ecHi", "[color]", "highlight current instruction with 'color' background",
	"ecHw", "[word] [color]", "highlight 'word ' in current instruction with 'color' background",
	"ecH", "", "list all the highlight rules",
	"ecH.", "", "show highlight rule in current offset",
	"ecH-", "*", "remove all the highlight hints",
	"ecH-", "", "remove all highlights on current instruction",
	NULL
};

static RCoreHelpMessage help_msg_e = {
	"Usage:", "e [var[=value]]", "Evaluable vars",
	"e", "?asm.bytes", "show description",
	"e", "??", "list config vars with description",
	"e", " a", "get value of var 'a'",
	"e", " a=b", "set var 'a' the 'b' value",
#if 0
	// commented to avoid misleading confussions
	"e var=?", "", "print all valid values of var",
	"e var=??", "", "print all valid values of var with description",
#endif
	"e.", "a=b", "same as 'e a=b' but without using a space",
	"e,", "[table-query]", "show the output in table format",
	"e:", "k=v:k=v:k=v", "comma or colon separated k[=v]",
	"e-", "", "reset config vars",
	"e*", "", "dump config vars in r commands",
	"e!", "a", "invert the boolean value of 'a' var",
	"ec", "[?] [k] [color]", "set color for given key (prompt, offset, ...)",
	"ee", " [var]", "open cfg.editor to change the value of var",
	"ed", " ([file])", "open editor to change the ~/.radare2rc or [file]",
	"ed*", "", "show contents of your ~/.radare2c",
	"ed+", "", "add or set an eval config line into your ~/.radare2c",
	"ed-", "[!]", "delete ~/.radare2c (Use ed-! to delete without prompting)",
	"ej", "", "list config vars in JSON",
	"eJ", "", "list config vars in verbose JSON",
	"en", "", "list environment vars",
	"env", " [k[=v]]", "get/set environment variable",
	"er", " [key]", "set config key as readonly. no way back",
	"es", " [space]", "list all eval spaces [or keys]",
	"et", " [key]", "show type of given config variable",
	"ex", "[?]", "prefix for posix shells like exit and export",
	"ev", " [key]", "list config vars in verbose format",
	"evj", " [key]", "list config vars in verbose format in JSON",
	NULL
};

static RCoreHelpMessage help_msg_ec = {
	"Usage ec[s?] [key][[=| ]fg] [bg]", "", "",
	"ec", " [key]", "list all/key color keys",
	"ec*", "", "same as above, but using r2 commands",
	"ecd", "", "set default palette",
	"ecr", "", "set random palette (see also scr.randpal)",
	"ecs", "", "show a colorful palette",
	"ecj", "", "show palette in JSON",
	"ecc", " [prefix]", "show palette in CSS",
	"eco", " [theme]", "load theme if provided (list available themes if not)",
	"ecp", "", "load previous color theme",
	"ecn", "", "load next color theme",
	"ecH", "[?]", "highlight word or instruction",
	"ec", " prompt red", "change color of prompt",
	"ec", " prompt red blue", "change color and background of prompt",
	"Vars:", "", "",
	"colors:", "", "rgb:000, red, green, blue, #ff0000, ...",
	"e scr.color", "=0", "use more colors (0: no color 1: ansi 16, 2: 256, 3: 16M)",
	"$DATADIR/radare2/cons", "", "~/.local/share/radare2/cons", // XXX should be themes
	NULL
};

static RCoreHelpMessage help_msg_eco = {
	"Usage: eco[jc] [theme]", "", "load theme (cf. Path and dir.prefix)",
	"eco", "", "list available themes (See e dir.themes)",
	"eco.", "", "display current theme name",
	"eco*", "", "show current theme script",
	"eco!", "", "edit and reload current theme",
	"ecoo", "", "reload current theme",
	"ecoq", "", "list available themes without showing the current one",
	"ecoj", "", "list available themes in JSON",
	"Path:", "", "",
	"$DATADIR/radare2/cons", "", "~/.local/share/radare2/cons", // XXX should be themes
	NULL
};

static void cmd_eval_table(RCore *core, const char *input) {
	const char fmt = *input;
	const char *q = input;
	RTable *t = r_core_table_new (core, "eval");
	RTableColumnType *typeString = r_table_type ("string");
	RTableColumnType *typeBoolean = r_table_type ("bool");
	r_table_add_column (t, typeBoolean, "ro", 0);
	r_table_add_column (t, typeString, "type", 0);
	r_table_add_column (t, typeString, "key", 0);
	r_table_add_column (t, typeString, "value", 0);
	r_table_add_column (t, typeString, "desc", 0);

	RListIter *iter;
	RConfigNode *node;
	r_list_foreach (core->config->nodes, iter, node) {
		r_strf_var (type, 32, "%s", r_config_node_type (node));
		r_strf_var (ro, 32, "%s", r_config_node_is_ro (node)? "ro": "");
		r_table_add_row (t, ro, type, node->name, node->value, node->desc, NULL);
	}
	if (r_table_query (t, q)) {
		char *s = (fmt == 'j')
			? r_table_tojson (t)
			: r_table_tostring (t);
		r_cons_printf (core->cons, "%s\n", s);
		free (s);
	}
	r_table_free (t);
}

static bool nextpal_item(RCore *core, PJ *pj, int mode, const char *file) {
	const char *fn = r_str_lchr (file, '/');
	if (!fn) {
		fn = file;
	}
	switch (mode) {
	case 'j': // json
		pj_s (pj, fn);
		break;
	case 'l': // list
		r_cons_println (core->cons, fn);
		break;
	case 'p': // previous
		// TODO: move logic here
		break;
	case 'n': // next
		if (core->theme && !strcmp (core->theme, "default")) {
			free (core->theme);
			core->theme = strdup (fn);
			core->get_next = false;
		}
		if (core->get_next) {
			free (core->theme);
			core->theme = strdup (fn);
			core->get_next = false;
			return false;
		}
		if (!core->theme) {
			core->theme = strdup (fn);
			return false;
		}
		if (!strcmp (core->theme, fn)) {
			core->get_next = true;
		}
		break;
	}
	return true;
}

static char *get_theme_path(RCore *core, const char *theme_name) {
	// check home directory
	char *home = r_xdg_datadir ("cons");
	char *theme_path = r_file_new (home, theme_name, NULL);
	if (r_file_exists (theme_path)) {
		// TODO read this one
		return theme_path;
	}
	free (theme_path);
	// check system directory
	char *r2pfx = r_sys_prefix (NULL);
	theme_path = r_file_new (r2pfx, R2_THEMES, theme_name, NULL);
	free (r2pfx);
	if (r_file_exists (theme_path)) {
		return theme_path;
	}
	free (theme_path);
	return NULL;
}

static char *get_theme_script(RCore *core, const char *theme_name) {
	if (!strcmp (theme_name, "default")) {
		// reserved name
		return NULL;
	}
	char *theme_path = get_theme_path (core, theme_name);
	if (theme_path) {
		char *theme_script = r_file_slurp (theme_path, NULL);
		free (theme_path);
		return theme_script;
	}
#if WITH_STATIC_THEMES
	const RConsTheme *theme = r_cons_themes ();
	while (theme && theme->name) {
		if (!strcmp (theme->name, theme_name)) {
			return strdup (theme->script);
		}
		theme++;
	}
#endif
	return NULL;
}

static bool cmd_load_theme(RCore *core, const char *_arg) {
	if (!strcmp (_arg, "default")) {
		if (_arg != core->theme) {
			free (core->theme);
			core->theme = strdup (_arg);
		}
		r_cons_pal_init (core->cons);
		return true;
	}
	bool ret = false;
	char *theme_script = get_theme_script (core, _arg);
	if (R_STR_ISNOTEMPTY (theme_script)) {
		core->cmdfilter = "ec ";
		// Enable batch mode to skip individual pal_reload calls
		core->cons->context->pal_batch = true;
		r_core_cmd_lines (core, theme_script);
		core->cons->context->pal_batch = false;
		// Single reload after all color changes
		r_cons_pal_reload (core->cons);
		// Note: Do NOT clear pal_dirty here - it needs to remain set so that
		// r_cons_pop() will propagate the cpal changes to the parent context
		core->cmdfilter = NULL;
		ret = true; // maybe the script fails?
	} else {
		R_LOG_ERROR ("Cannot open '%s' colors theme", _arg);
	}
	free (theme_script);
	return ret;
}

static void list_themes_in_path(RList *list, const char *path) {
	RListIter *iter;
	const char *fn;
	RList *files = r_sys_dir (path);
	r_list_foreach (files, iter, fn) {
		if (*fn && *fn != '.') {
			r_list_append (list, strdup (fn));
		}
	}
	r_list_free (files);
}

R_API char *r_core_get_theme(RCore *core) {
	return core->theme;
}

R_API RList *r_core_list_themes(RCore *core) {
	RList *list = r_list_newf (free);
	core->get_next = false;
	char *tmp = strdup ("default");
	r_list_append (list, tmp);
	char *path = r_xdg_datadir ("cons");
	if (path) {
		list_themes_in_path (list, path);
		R_FREE (path);
	}

	path = r_str_r2_prefix (R2_THEMES R_SYS_DIR);
	if (path) {
		list_themes_in_path (list, path);
		R_FREE (path);
	}

	r_list_sort (list, (RListComparator)strcmp);
	return list;
}

static void nextpal(RCore *core, int mode) {
	// TODO: use r_core_list_themes () here instead of rewalking all the time
	RList *files = NULL;
	RListIter *iter;
	const char *fn;
	char *path = NULL;
	PJ *pj = NULL;
	if (mode == 'j') {
		pj = r_core_pj_new (core);
		if (!pj) {
			return;
		}
		pj_a (pj);
	}
	char *home = r_xdg_datadir ("cons");

	core->get_next = false;
	// spaguetti!
	if (home) {
		files = r_sys_dir (home);
		if (files) {
			r_list_sort (files, (RListComparator)strcmp);
			r_list_foreach (files, iter, fn) {
				if (*fn && *fn != '.') {
					if (mode == 'p') {
						const char *nfn = iter->n? iter->n->data: NULL;
						if (!core->theme) {
							free (home);
							r_list_free (files);
							return;
						}
						if (nfn && !strcmp (nfn, core->theme)) {
							r_list_free (files);
							files = NULL;
							free (core->theme);
							core->theme = strdup (fn);
							R_FREE (home);
							goto done;
						}
					} else {
						if (!nextpal_item (core, pj, mode, fn)) {
							r_list_free (files);
							files = NULL;
							R_FREE (home);
							goto done;
						}
					}
				}
			}
		}
		r_list_free (files);
		files = NULL;
		R_FREE (home);
	}

	path = r_str_r2_prefix (R2_THEMES R_SYS_DIR);
	if (path) {
		files = r_sys_dir (path);
		if (files) {
			r_list_sort (files, (RListComparator)strcmp);
			r_list_foreach (files, iter, fn) {
				if (*fn && *fn != '.') {
					if (mode == 'p') {
						const char *nfn = iter->n? iter->n->data: NULL;
						if (!core->theme) {
							free (home);
							r_list_free (files);
							return;
						}
						if (nfn && !strcmp (nfn, core->theme)) {
							free (core->theme);
							core->theme = strdup (fn);
							goto done;
						}
					} else { // next
						if (!nextpal_item (core, pj, mode, fn)) {
							goto done;
						}
					}
				}
			}
		}
	}

done:
	free (path);
	if (core->get_next) {
		R_FREE (core->theme);
		nextpal (core, mode);
		r_list_free (files);
		return;
	}
	if (mode == 'l' && !core->theme && !r_list_empty (files)) {
		// nextpal (core, mode);
	} else if (mode == 'n' || mode == 'p') {
		if (R_STR_ISNOTEMPTY (core->theme)) {
			r_core_callf (core, "eco %s", core->theme);
		}
	}
	r_list_free (files);
	files = NULL;
	if (mode == 'j') {
		pj_end (pj);
		r_cons_println (core->cons, pj_string (pj));
		pj_free (pj);
	}
}

R_API void r_core_echo(RCore *core, const char *input) {
	if (r_str_startswith (input, "64 ")) {
		char *buf = strdup (input);
		if (r_base64_decode ((ut8 *)buf, input + 3, -1, true) > 0) {
			r_cons_echo (core->cons, buf);
		}
		free (buf);
	} else {
		char *p = strchr (input, ' ');
		if (p) {
			r_cons_print (core->cons, p + 1);
			r_cons_newline (core->cons);
		}
	}
}

static bool is_static_theme(const char *th) {
	const RConsTheme *theme = r_cons_themes ();
	while (theme && theme->name) {
		const char *tn = theme->name;
		if (!strcmp (th, tn)) {
			return true;
		}
		theme++;
	}
	return false;
}

static bool cmd_ec(RCore *core, const char *input) {
	switch (input[1]) {
	case 'd': // "ecd"
		r_cons_pal_init (core->cons);
		break;
	case '?':
		r_core_cmd_help (core, help_msg_ec);
		break;
	case 'o': // "eco"
		switch (input[2]) {
		case 'j': // "ecoj"
			if (input[3]) {
				r_core_return_invalid_command (core, "ecoj", input[3]);
			} else {
				nextpal (core, 'j');
			}
			break;
		case '*': // "eco*"
		{
			const char *theme_name = core->theme;
			if (input[3]) {
				theme_name = r_str_trim_head_ro (input + 3);
			}
			char *theme_script = get_theme_script (core, theme_name);
			if (R_STR_ISNOTEMPTY (theme_script)) {
				r_cons_printf (core->cons, "%s\n", theme_script);
			} else {
				R_LOG_ERROR ("Cannot find theme '%s'", theme_name);
			}
			free (theme_script);
		}
		break;
		case '!':
			free (r_core_editor (core, core->themepath, NULL));
			cmd_load_theme (core, core->theme); // reload
			break;
		case ' ':
			cmd_load_theme (core, r_str_trim_head_ro (input + 3));
			break;
		case 'o':
			cmd_load_theme (core, core->theme);
			break;
		case 'c':
		case '.':
			r_cons_printf (core->cons, "%s\n", core->theme);
			break;
		case '?':
			r_core_cmd_help (core, help_msg_eco);
			break;
		default:
			{
				RList *themes_list = r_core_list_themes (core);
				RListIter *th_iter;
				const char *th;
				const RConsTheme *themes = r_cons_themes ();
				const RConsTheme *theme = themes;
			while (theme && theme->name) {
					const char *th = theme->name;
					if (input[2] == 'q') {
						r_cons_printf (core->cons, "%s\n", th);
				} else if (core->theme && !strcmp (core->theme, th)) {
						r_cons_printf (core->cons, "- %s\n", th);
					} else {
						r_cons_printf (core->cons, "  %s\n", th);
					}
					theme++;
				}
				r_list_foreach (themes_list, th_iter, th) {
					if (is_static_theme (th)) {
						continue;
					}
					if (input[2] == 'q') {
						r_cons_printf (core->cons, "%s\n", th);
				} else if (core->theme && !strcmp (core->theme, th)) {
						r_cons_printf (core->cons, "- %s\n", th);
					} else {
						r_cons_printf (core->cons, "  %s\n", th);
					}
				}
				r_list_free (themes_list);
			}
			break;
		}
		break;
	case 's': // "ecs"
		r_cons_pal_show (core->cons);
		break;
	case '*': // "ec*"
		r_cons_pal_list (core->cons, 1, NULL);
		break;
	case 'h': // echo
		if (input[2] == 'o') {
			r_core_echo (core, input + 3);
		} else {
			r_cons_pal_list (core->cons, 'h', NULL);
		}
		break;
	case 'j': // "ecj"
		r_cons_pal_list (core->cons, 'j', NULL);
		break;
	case 'c': // "ecc"
		if (input[2]) {
			r_cons_pal_list (core->cons, 'c', input + 2);
		} else {
			r_cons_pal_list (core->cons, 'c', r_config_get (core->config, "scr.css.prefix"));
		}
		break;
	case '\0': // "ec"
		r_cons_pal_list (core->cons, 0, NULL);
		break;
	case 'r': // "ecr"
		r_cons_pal_random (core->cons);
		break;
	case 'n': // "ecn"
		nextpal (core, 'n');
		break;
	case 'p': // "ecp"
		nextpal (core, 'p');
		break;
	case 'H': // "ecH"
	{
		char *color_code = NULL;
		char *word = NULL;
		int argc = 0;
		int delta = (input[2])? 3: 2;
		char **argv = r_str_argv (r_str_trim_head_ro (input + delta), &argc);
		switch (input[2]) {
		case '?':
			r_core_cmd_help (core, help_msg_ecH);
			r_str_argv_free (argv);
			return false;
		case '-': // ecH-
			if (input[3] == '*') {
				r_meta_del (core->anal, R_META_TYPE_HIGHLIGHT, 0, UT64_MAX);
			} else {
				r_meta_del (core->anal, R_META_TYPE_HIGHLIGHT, core->addr, 1);
				// r_meta_set_string (core->anal, R_META_TYPE_HIGHLIGHT, core->addr, "");
			}
			r_str_argv_free (argv);
			return false;
		case '.':
			r_meta_print_list_in_function (core->anal, R_META_TYPE_HIGHLIGHT, 0, core->addr, NULL, NULL);
			r_str_argv_free (argv);
			return false;
		case '\0':
			r_meta_print_list_all (core->anal, R_META_TYPE_HIGHLIGHT, 0, NULL, NULL);
			r_str_argv_free (argv);
			return false;
		case 'j':
			r_meta_print_list_all (core->anal, R_META_TYPE_HIGHLIGHT, 'j', NULL, NULL);
			r_str_argv_free (argv);
			return false;
		case '*':
			r_meta_print_list_all (core->anal, R_META_TYPE_HIGHLIGHT, '*', NULL, NULL);
			r_str_argv_free (argv);
			return false;
		case ' ':
		case 'i': // "ecHi"
			if (argc) {
				char *dup = r_str_newf ("bgonly %s", argv[0]);
				color_code = r_cons_pal_parse (core->cons, dup, NULL);
				free (dup);
				if (!color_code) {
					R_LOG_ERROR ("Unknown color %s", argv[0]);
					r_str_argv_free (argv);
					return true;
				}
			}
			break;
		case 'w': // "ecHw"
			if (!argc) {
				r_core_cmd_help_match (core, help_msg_ecH, "ecHw");
				r_str_argv_free (argv);
				return true;
			}
			word = strdup (argv[0]);
			if (argc > 1) {
				char *dup = r_str_newf ("bgonly %s", argv[1]);
				color_code = r_cons_pal_parse (core->cons, dup, NULL);
				R_FREE (dup);
				if (!color_code) {
					R_LOG_ERROR ("Unknown color %s", argv[1]);
					r_str_argv_free (argv);
					free (word);
					return true;
				}
			}
			break;
		default:
			R_LOG_INFO ("See ecH?");
			r_str_argv_free (argv);
			return true;
		}
		r_meta_set_string (core->anal, R_META_TYPE_HIGHLIGHT, core->addr, "");
		const char *str = r_meta_get_string (core->anal, R_META_TYPE_HIGHLIGHT, core->addr);
		char *dup = r_str_newf ("%s \"%s%s\"", r_str_get (str), r_str_get (word),
			color_code? color_code: core->cons->context->pal.wordhl);
		r_meta_set_string (core->anal, R_META_TYPE_HIGHLIGHT, core->addr, dup);
		r_str_argv_free (argv);
		free (color_code);
		R_FREE (word);
		R_FREE (dup);
	}
	break;
	case ' ':
		{
			char *p = strdup (input + 2);
			char *q = strchr (p, '=');
			if (!q) {
				q = strchr (p, ' ');
			}
			if (q) {
				// Set color
				*q++ = 0;
				if (r_cons_pal_set (core->cons, p, q)) {
					core->cons->context->pal_dirty = true;
					if (!core->cons->context->pal_batch) {
						r_cons_pal_reload (core->cons);
						// if we uncomment this changing color theme doesnt work from rcore_cmd_str
						// core->cons->context->pal_dirty = false;
					}
				}
			} else {
				char color[32] = { 0 };
				RColor rcolor = r_cons_pal_get (core->cons, p);
				r_cons_rgb_str (core->cons, color, sizeof (color), &rcolor);
				if (*color) {
					eprintf ("(%s)(%sCOLOR" Color_RESET ")\n", p, color);
				} else {
					R_LOG_ERROR ("Invalid palette color '%s'", p);
				}
			}
			free (p);
		}
		break;
	default:
		r_core_return_invalid_command (core, "ec", input[1]);
		break;
	}
	return true;
}

static void r2rc_set(RCore *core, const char *R_NULLABLE k, const char *R_NULLABLE v) {
	char *rcfile = r_file_home (".radare2rc");
	char *rcdata = r_file_slurp (rcfile, NULL);
	if (k) {
		char *line;
		RListIter *iter;
		RList *lines = r_str_split_list (rcdata, "\n", 0);
		RStrBuf *sb = r_strbuf_new ("");
		bool found = false;
		char *kk = r_str_newf ("e %s", k);
		r_list_foreach (lines, iter, line) {
			const char *oline = line;
			if (*oline == '\'') {
				oline++;
			}
			if (r_str_startswith (oline, kk)) {
				if (v) {
					if (!found && *v) {
						r_strbuf_appendf (sb, "'e %s=%s\n", k, v);
					}
				} else {
					r_cons_println (core->cons, line);
				}
				found = true;
			} else {
				r_strbuf_appendf (sb, "%s\n", line);
			}
		}
		free (kk);
		if (v) {
			if (!found && *v) {
				r_strbuf_appendf (sb, "'e %s=%s\n", k, v);
			}
			char *out = r_strbuf_drain (sb);
			r_list_free (lines);
			r_str_trim (out);
			r_file_dump (rcfile, (const ut8 *)out, -1, false);
			free (out);
		} else {
			r_strbuf_free (sb);
		}
	} else {
		r_cons_println (core->cons, rcdata);
	}
	free (rcdata);
	free (rcfile);
}

static void cmd_eplus(RCore *core, const char *input) {
	char *s = r_str_trim_dup (input);
	char *eq = strchr (s, '=');
	if (*s) {
		if (eq) {
			r_str_trim (s);
			*eq++ = 0;
			r_str_trim (eq);
			const char *k = s;
			const char *v = eq;
			r2rc_set (core, k, v);
		} else {
			r2rc_set (core, s, NULL);
		}
	} else {
		r2rc_set (core, NULL, NULL);
	}
	free (s);
}

static void core_config_list(RCore *core, const char *str, int rad) {
	char *res = r_config_list (core->config, str, rad);
	r_cons_print (core->cons, res);
	free (res);
}

static void core_config_eval(RCore *core, const char *input, bool uhm) {
	char *res = r_config_eval (core->config, input, uhm, NULL);
	r_cons_print (core->cons, res);
	free (res);
}

static int cmd_eval(void *data, const char *input) {
	RCore *core = (RCore *)data;
	RCons *cons = core->cons;
	switch (input[0]) {
	case '\0': // "e"
		core_config_list (core, NULL, 0);
		break;
	case '?': // "e?"
		switch (input[1]) {
		case '\0': r_core_cmd_help (core, help_msg_e); break;
		case '?': core_config_list (core, input + 2, 2); break;
		default: core_config_list (core, input + 1, 3); break;
		}
		break;
	case 't': // "et"
		if (input[1] == 'a') {
			r_cons_printf (cons, "%s\n", (r_num_rand (10) % 2)? "wen": "son");
		} else if (input[1] == ' ' && input[2]) {
			RConfigNode *node = r_config_node_get (core->config, input + 2);
			if (node) {
				const char *type = r_config_node_type (node);
				if (type && *type) {
					r_cons_println (cons, type);
				}
			}
		} else {
			r_core_cmd_help_contains (core, help_msg_e, "et");
		}
		break;
	case 'n': // "en" "env"
		if (strchr (input, '?')) {
			r_core_cmd_help_contains (core, help_msg_e, "en");
			break;
		}
		if (!strcmp (input + 1, "vj")) {
			char **e = r_sys_get_environ ();
			PJ *pj = r_core_pj_new (core);
			pj_o (pj);
			if (e != NULL) {
				while (*e) {
					char *s = strdup (*e);
					char *q = strchr (s, '=');
					if (q) {
						*q = 0;
						pj_ks (pj, s, q + 1);
					}
					free (s);
					e++;
				}
			}
			pj_end (pj);
			char *s = pj_drain (pj);
			r_cons_println (cons, s);
			free (s);
		} else if (!strcmp (input + 1, "v*")) {
			char **e = r_sys_get_environ ();
			if (e != NULL) {
				while (*e) {
					r_cons_printf (cons, "%%%s\n", *e);
					e++;
				}
			}
		} else if (!strchr (input, '=')) {
			const char *var = strchr (input, ' ');
			if (var) {
				var = r_str_trim_head_ro (var);
			}
			char *p = r_sys_getenv (var);
			if (p) {
				r_cons_println (cons, p);
				free (p);
			} else if (!var || !*var) {
				char **e = r_sys_get_environ ();
				if (e != NULL) {
					while (*e) {
						r_cons_println (cons, *e);
						e++;
					}
				}
			}
		} else if (strlen (input) > 3) {
			char *v, *k = strdup (input + 3);
			if (!k) {
				break;
			}
			v = strchr (k, '=');
			if (*k && v) {
				*v++ = 0;
				r_str_trim (k);
				r_str_trim (v);
				char *last = k + strlen (k) - 1;
				if (*k && *last == '%') {
					*last = 0;
					r_str_trim (k);
				}
				r_sys_setenv (k, v);
			}
			free (k);
		}
		return true;
	case 'x': // "ex"
		if (input[1] == '?') {
			r_core_cmd_help (core, help_msg_ex);
			break;
		}
		if (r_str_startswith (input, "xit")) { // "exit"
			return cmd_quit (data, r_str_trim_head_ro (input + strlen ("xit")));
		}
		if (r_str_startswith (input, "xport")) { // "export"
			const char *arg = r_str_trim_head_ro (input + strlen ("xport"));
			return r_core_cmdf (core, "%%%s", arg);
		}
		r_core_return_invalid_command (core, "ex", input[1]);
		break;
	case 'J': // "eJ"
		core_config_list (core, NULL, 'J');
		break;
	case 'j': // "ej"
		core_config_list (core, NULL, 'j');
		break;
	case 'v': // verbose
		core_config_list (core, r_str_trim_head_ro (input + 1), 'v');
		break;
	case 'q': // quiet list of eval keys
		core_config_list (core, NULL, 'q');
		break;
	case 'c': // "ec"
		return cmd_ec (core, input);
	case 'd': // "ed"
		if (input[1] == '?') {
			r_core_cmd_help_contains (core, help_msg_e, "ed");
		} else if (input[1] == '!') {
			char *file = r_file_home (".radare2rc");
			free (r_cons_editor (cons, file, NULL));
			free (file);
		} else if (input[1] == '*') {
			char *file = r_file_home (".radare2rc");
			char *data = r_file_slurp (file, NULL);
			r_cons_println (cons, data);
			free (data);
			free (file);
		} else if (input[1] == '+') {
			cmd_eplus (core, input + 2);
		} else if (input[1] == '-') { // "ed-"
			const bool prompt = (input[2] != '!');
			char *file = r_file_home (".radare2rc");
			if (file) {
				const bool rmfile = !prompt || r_cons_yesno (cons, 'n', "Do you want to delete ~/.radare2? (Y/n)");
				if (rmfile) {
					r_file_rm (file);
				}
				free (file);
			}
		} else {
			const char *arg = strchr (input, ' ');
			char *file = NULL;
			bool is_config = true;
			if (arg) {
				arg = r_str_trim_head_ro (arg + 1);
				if (arg[0] == '~') {
					file = r_file_home (arg + 1);
				} else {
					file = strdup (arg);
				}
				is_config = false;
			} else {
				file = r_file_home (".radare2rc");
			}
			if (file) {
				if (r_cons_is_interactive (cons)) {
					if (is_config) {
						r_file_touch (file);
					}
					char *res = r_cons_editor (cons, file, NULL);
					if (res && is_config) {
						if (r_cons_yesno (cons, 'y', "Reload? (Y/n)")) {
							r_core_run_script (core, file);
						}
					}
					free (res);
				} else if (is_config) {
					r_core_run_script (core, file);
				}
			}
			free (file);
		}
		break;
	case '+': // "e+"
		cmd_eplus (core, input + 1);
		break;
	case 'e': // "ee"
		if (input[1] == ' ') {
			char *p;
			const char *input2 = strchr (input + 2, ' ');
			input2 = (input2)? input2 + 1: input + 2;
			const char *val = r_config_get (core->config, input2);
			p = r_core_editor (core, NULL, val);
			if (p) {
				r_str_replace_char (p, '\n', ';');
				r_config_set (core->config, input2, p);
			}
		} else {
			r_core_cmd_help_contains (core, help_msg_e, "ee");
		}
		break;
	case '!': // "e!"
		input = r_str_trim_head_ro (input + 1);
		if (R_STR_ISNOTEMPTY (input) && *input != '?') {
			if (!r_config_toggle (core->config, input)) {
				R_LOG_ERROR ("'%s' is not a boolean variable", input);
			}
		} else {
			r_core_cmd_help_match (core, help_msg_e, "e!");
		}
		break;
	case 's': // "es"
		core_config_list (core, (input[1])? input + 1: NULL, 's');
		break;
	case '-': // "e-"
		r_core_config_init (core);
		// eprintf ("BUG: 'e-' command locks the eval hashtable. patches are welcome :)\n");
		break;
	case '*': // "e*"
		core_config_list (core, NULL, 1);
		break;
	case 'r': // "er"
		if (input[1]) {
			const char *key = input + ((input[1] == ' ')? 2: 1);
			if (!r_config_readonly (core->config, key)) {
				R_LOG_ERROR ("cannot find key '%s'", key);
			}
		} else {
			r_core_cmd_help_contains (core, help_msg_e, "er");
		}
		break;
	case ':': // "e:"
		core_config_eval (core, input + 1, true);
		break;
	case ',': // "e,"
		cmd_eval_table (core, input + 1);
		break;
	case '.': // "e "
	case ' ': // "e "
		if (strchr (input, '=')) {
			core_config_eval (core, r_str_trim_head_ro (input + 1), false);
		} else {
			if (r_str_endswith (input, ".") && !r_str_endswith (input, "..")) {
				core_config_list (core, input + 1, 0);
			} else if (r_str_endswith (input, ".?")) {
				char *w = r_str_ndup (input, strlen (input) - 1);
				core_config_list (core, w, 2);
				free (w);
			} else {
				// XXX we cant do "e cmd.gprompt=dr=", because the '=' is a token, and quotes dont affect him
				core_config_eval (core, r_str_trim_head_ro (input + 1), false);
			}
		}
		break;
	default:
		r_core_return_invalid_command (core, "e", *input);
		break;
	}
	return 0;
}
#endif
