819 lines
24 KiB
C++
819 lines
24 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <ctype.h>
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "action.h"
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#include "init.h"
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#include "parser.h"
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#include "init_parser.h"
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#include "log.h"
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#include "property_service.h"
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#include "util.h"
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#include <base/stringprintf.h>
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#include <cutils/iosched_policy.h>
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#include <cutils/list.h>
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static list_declare(service_list);
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struct import {
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struct listnode list;
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const char *filename;
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};
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static void *parse_service(struct parse_state *state, int nargs, char **args);
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static void parse_line_service(struct parse_state *state, int nargs, char **args);
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static void *parse_action(struct parse_state *state, int nargs, char **args);
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static void parse_line_action(struct parse_state *state, int nargs, char **args);
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#define SECTION 0x01
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#define COMMAND 0x02
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#define OPTION 0x04
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#include "keywords.h"
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#define KEYWORD(symbol, flags, nargs, func) \
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[ K_##symbol ] = { #symbol, func, nargs + 1, flags, },
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static struct {
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const char *name;
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int (*func)(const std::vector<std::string>& args);
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unsigned char nargs;
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unsigned char flags;
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} keyword_info[KEYWORD_COUNT] = {
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[ K_UNKNOWN ] = { "unknown", 0, 0, 0 },
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#include "keywords.h"
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};
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#undef KEYWORD
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#define kw_is(kw, type) (keyword_info[kw].flags & (type))
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#define kw_name(kw) (keyword_info[kw].name)
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#define kw_func(kw) (keyword_info[kw].func)
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#define kw_nargs(kw) (keyword_info[kw].nargs)
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void dump_parser_state() {
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if (false) {
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struct listnode* node;
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list_for_each(node, &service_list) {
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service* svc = node_to_item(node, struct service, slist);
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INFO("service %s\n", svc->name);
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INFO(" class '%s'\n", svc->classname);
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INFO(" exec");
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for (int n = 0; n < svc->nargs; n++) {
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INFO(" '%s'", svc->args[n]);
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}
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INFO("\n");
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for (socketinfo* si = svc->sockets; si; si = si->next) {
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INFO(" socket %s %s 0%o\n", si->name, si->type, si->perm);
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}
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}
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ActionManager::GetInstance().DumpState();
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}
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}
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static int lookup_keyword(const char *s)
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{
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switch (*s++) {
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case 'b':
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if (!strcmp(s, "ootchart_init")) return K_bootchart_init;
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break;
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case 'c':
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if (!strcmp(s, "opy")) return K_copy;
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if (!strcmp(s, "lass")) return K_class;
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if (!strcmp(s, "lass_start")) return K_class_start;
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if (!strcmp(s, "lass_stop")) return K_class_stop;
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if (!strcmp(s, "lass_reset")) return K_class_reset;
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if (!strcmp(s, "onsole")) return K_console;
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if (!strcmp(s, "hown")) return K_chown;
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if (!strcmp(s, "hmod")) return K_chmod;
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if (!strcmp(s, "ritical")) return K_critical;
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break;
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case 'd':
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if (!strcmp(s, "isabled")) return K_disabled;
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if (!strcmp(s, "omainname")) return K_domainname;
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break;
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case 'e':
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if (!strcmp(s, "nable")) return K_enable;
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if (!strcmp(s, "xec")) return K_exec;
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if (!strcmp(s, "xport")) return K_export;
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break;
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case 'g':
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if (!strcmp(s, "roup")) return K_group;
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break;
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case 'h':
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if (!strcmp(s, "ostname")) return K_hostname;
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break;
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case 'i':
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if (!strcmp(s, "oprio")) return K_ioprio;
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if (!strcmp(s, "fup")) return K_ifup;
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if (!strcmp(s, "nsmod")) return K_insmod;
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if (!strcmp(s, "mport")) return K_import;
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if (!strcmp(s, "nstallkey")) return K_installkey;
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break;
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case 'k':
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if (!strcmp(s, "eycodes")) return K_keycodes;
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break;
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case 'l':
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if (!strcmp(s, "oglevel")) return K_loglevel;
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if (!strcmp(s, "oad_persist_props")) return K_load_persist_props;
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if (!strcmp(s, "oad_all_props")) return K_load_all_props;
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break;
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case 'm':
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if (!strcmp(s, "kdir")) return K_mkdir;
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if (!strcmp(s, "ount_all")) return K_mount_all;
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if (!strcmp(s, "ount")) return K_mount;
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break;
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case 'o':
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if (!strcmp(s, "n")) return K_on;
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if (!strcmp(s, "neshot")) return K_oneshot;
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if (!strcmp(s, "nrestart")) return K_onrestart;
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break;
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case 'p':
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if (!strcmp(s, "owerctl")) return K_powerctl;
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break;
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case 'r':
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if (!strcmp(s, "estart")) return K_restart;
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if (!strcmp(s, "estorecon")) return K_restorecon;
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if (!strcmp(s, "estorecon_recursive")) return K_restorecon_recursive;
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if (!strcmp(s, "mdir")) return K_rmdir;
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if (!strcmp(s, "m")) return K_rm;
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break;
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case 's':
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if (!strcmp(s, "eclabel")) return K_seclabel;
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if (!strcmp(s, "ervice")) return K_service;
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if (!strcmp(s, "etenv")) return K_setenv;
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if (!strcmp(s, "etprop")) return K_setprop;
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if (!strcmp(s, "etrlimit")) return K_setrlimit;
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if (!strcmp(s, "ocket")) return K_socket;
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if (!strcmp(s, "tart")) return K_start;
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if (!strcmp(s, "top")) return K_stop;
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if (!strcmp(s, "wapon_all")) return K_swapon_all;
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if (!strcmp(s, "ymlink")) return K_symlink;
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if (!strcmp(s, "ysclktz")) return K_sysclktz;
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break;
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case 't':
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if (!strcmp(s, "rigger")) return K_trigger;
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break;
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case 'u':
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if (!strcmp(s, "ser")) return K_user;
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break;
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case 'v':
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if (!strcmp(s, "erity_load_state")) return K_verity_load_state;
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if (!strcmp(s, "erity_update_state")) return K_verity_update_state;
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break;
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case 'w':
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if (!strcmp(s, "rite")) return K_write;
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if (!strcmp(s, "ritepid")) return K_writepid;
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if (!strcmp(s, "ait")) return K_wait;
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break;
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}
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return K_UNKNOWN;
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}
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static void parse_line_no_op(struct parse_state*, int, char**) {
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}
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int expand_props(const std::string& src, std::string* dst) {
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const char *src_ptr = src.c_str();
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if (!dst) {
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return -1;
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}
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/* - variables can either be $x.y or ${x.y}, in case they are only part
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* of the string.
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* - will accept $$ as a literal $.
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* - no nested property expansion, i.e. ${foo.${bar}} is not supported,
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* bad things will happen
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*/
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while (*src_ptr) {
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const char *c;
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c = strchr(src_ptr, '$');
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if (!c) {
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dst->append(src_ptr);
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break;
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}
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dst->append(src_ptr, c);
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c++;
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if (*c == '$') {
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dst->push_back(*(c++));
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src_ptr = c;
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continue;
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} else if (*c == '\0') {
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break;
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}
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std::string prop_name;
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if (*c == '{') {
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c++;
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const char* end = strchr(c, '}');
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if (!end) {
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// failed to find closing brace, abort.
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ERROR("unexpected end of string in '%s', looking for }\n", src.c_str());
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goto err;
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}
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prop_name = std::string(c, end);
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c = end + 1;
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} else {
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prop_name = c;
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ERROR("using deprecated syntax for specifying property '%s', use ${name} instead\n",
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c);
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c += prop_name.size();
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}
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if (prop_name.empty()) {
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ERROR("invalid zero-length prop name in '%s'\n", src.c_str());
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goto err;
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}
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std::string prop_val = property_get(prop_name.c_str());
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if (prop_val.empty()) {
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ERROR("property '%s' doesn't exist while expanding '%s'\n",
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prop_name.c_str(), src.c_str());
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goto err;
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}
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dst->append(prop_val);
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src_ptr = c;
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continue;
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}
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return 0;
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err:
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return -1;
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}
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static void parse_import(struct parse_state *state, int nargs, char **args)
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{
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if (nargs != 2) {
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ERROR("single argument needed for import\n");
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return;
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}
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std::string conf_file;
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int ret = expand_props(args[1], &conf_file);
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if (ret) {
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ERROR("error while handling import on line '%d' in '%s'\n",
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state->line, state->filename);
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return;
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}
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struct import* import = (struct import*) calloc(1, sizeof(struct import));
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import->filename = strdup(conf_file.c_str());
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struct listnode *import_list = (listnode*) state->priv;
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list_add_tail(import_list, &import->list);
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INFO("Added '%s' to import list\n", import->filename);
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}
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static void parse_new_section(struct parse_state *state, int kw,
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int nargs, char **args)
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{
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printf("[ %s %s ]\n", args[0],
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nargs > 1 ? args[1] : "");
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switch(kw) {
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case K_service:
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state->context = parse_service(state, nargs, args);
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if (state->context) {
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state->parse_line = parse_line_service;
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return;
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}
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break;
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case K_on:
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state->context = parse_action(state, nargs, args);
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if (state->context) {
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state->parse_line = parse_line_action;
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return;
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}
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break;
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case K_import:
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parse_import(state, nargs, args);
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break;
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}
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state->parse_line = parse_line_no_op;
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}
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static void parse_config(const char *fn, const std::string& data)
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{
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struct listnode import_list;
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struct listnode *node;
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char *args[INIT_PARSER_MAXARGS];
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int nargs = 0;
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parse_state state;
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state.filename = fn;
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state.line = 0;
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state.ptr = strdup(data.c_str()); // TODO: fix this code!
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state.nexttoken = 0;
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state.parse_line = parse_line_no_op;
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list_init(&import_list);
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state.priv = &import_list;
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for (;;) {
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switch (next_token(&state)) {
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case T_EOF:
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state.parse_line(&state, 0, 0);
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goto parser_done;
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case T_NEWLINE:
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state.line++;
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if (nargs) {
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int kw = lookup_keyword(args[0]);
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if (kw_is(kw, SECTION)) {
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state.parse_line(&state, 0, 0);
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parse_new_section(&state, kw, nargs, args);
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} else {
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state.parse_line(&state, nargs, args);
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}
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nargs = 0;
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}
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break;
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case T_TEXT:
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if (nargs < INIT_PARSER_MAXARGS) {
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args[nargs++] = state.text;
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}
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break;
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}
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}
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parser_done:
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list_for_each(node, &import_list) {
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struct import* import = node_to_item(node, struct import, list);
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if (!init_parse_config(import->filename)) {
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ERROR("could not import file '%s' from '%s': %s\n",
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import->filename, fn, strerror(errno));
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}
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}
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}
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static bool init_parse_config_file(const char* path) {
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INFO("Parsing file %s...\n", path);
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Timer t;
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std::string data;
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if (!read_file(path, &data)) {
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return false;
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}
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data.push_back('\n'); // TODO: fix parse_config.
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parse_config(path, data);
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dump_parser_state();
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NOTICE("(Parsing %s took %.2fs.)\n", path, t.duration());
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return true;
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}
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static bool init_parse_config_dir(const char* path) {
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INFO("Parsing directory %s...\n", path);
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std::unique_ptr<DIR, int(*)(DIR*)> config_dir(opendir(path), closedir);
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if (!config_dir) {
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ERROR("Could not import directory '%s'\n", path);
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return false;
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}
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dirent* current_file;
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while ((current_file = readdir(config_dir.get()))) {
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std::string current_path =
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android::base::StringPrintf("%s/%s", path, current_file->d_name);
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// Ignore directories and only process regular files.
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if (current_file->d_type == DT_REG) {
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if (!init_parse_config_file(current_path.c_str())) {
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ERROR("could not import file '%s'\n", current_path.c_str());
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}
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}
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}
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return true;
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}
|
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|
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bool init_parse_config(const char* path) {
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if (is_dir(path)) {
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return init_parse_config_dir(path);
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}
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return init_parse_config_file(path);
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}
|
|
|
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static int valid_name(const char *name)
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{
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if (strlen(name) > 16) {
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return 0;
|
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}
|
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while (*name) {
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if (!isalnum(*name) && (*name != '_') && (*name != '-')) {
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return 0;
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}
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name++;
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}
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return 1;
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}
|
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|
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struct service *service_find_by_name(const char *name)
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{
|
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struct listnode *node;
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struct service *svc;
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list_for_each(node, &service_list) {
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svc = node_to_item(node, struct service, slist);
|
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if (!strcmp(svc->name, name)) {
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return svc;
|
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}
|
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}
|
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return 0;
|
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}
|
|
|
|
struct service *service_find_by_pid(pid_t pid)
|
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{
|
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struct listnode *node;
|
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struct service *svc;
|
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list_for_each(node, &service_list) {
|
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svc = node_to_item(node, struct service, slist);
|
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if (svc->pid == pid) {
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return svc;
|
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}
|
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}
|
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return 0;
|
|
}
|
|
|
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struct service *service_find_by_keychord(int keychord_id)
|
|
{
|
|
struct listnode *node;
|
|
struct service *svc;
|
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list_for_each(node, &service_list) {
|
|
svc = node_to_item(node, struct service, slist);
|
|
if (svc->keychord_id == keychord_id) {
|
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return svc;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void service_for_each(void (*func)(struct service *svc))
|
|
{
|
|
struct listnode *node;
|
|
struct service *svc;
|
|
list_for_each(node, &service_list) {
|
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svc = node_to_item(node, struct service, slist);
|
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func(svc);
|
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}
|
|
}
|
|
|
|
void service_for_each_class(const char *classname,
|
|
void (*func)(struct service *svc))
|
|
{
|
|
struct listnode *node;
|
|
struct service *svc;
|
|
list_for_each(node, &service_list) {
|
|
svc = node_to_item(node, struct service, slist);
|
|
if (!strcmp(svc->classname, classname)) {
|
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func(svc);
|
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}
|
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}
|
|
}
|
|
|
|
void service_for_each_flags(unsigned matchflags,
|
|
void (*func)(struct service *svc))
|
|
{
|
|
struct listnode *node;
|
|
struct service *svc;
|
|
list_for_each(node, &service_list) {
|
|
svc = node_to_item(node, struct service, slist);
|
|
if (svc->flags & matchflags) {
|
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func(svc);
|
|
}
|
|
}
|
|
}
|
|
|
|
service* make_exec_oneshot_service(int nargs, char** args) {
|
|
// Parse the arguments: exec [SECLABEL [UID [GID]*] --] COMMAND ARGS...
|
|
// SECLABEL can be a - to denote default
|
|
int command_arg = 1;
|
|
for (int i = 1; i < nargs; ++i) {
|
|
if (strcmp(args[i], "--") == 0) {
|
|
command_arg = i + 1;
|
|
break;
|
|
}
|
|
}
|
|
if (command_arg > 4 + NR_SVC_SUPP_GIDS) {
|
|
ERROR("exec called with too many supplementary group ids\n");
|
|
return NULL;
|
|
}
|
|
|
|
int argc = nargs - command_arg;
|
|
char** argv = (args + command_arg);
|
|
if (argc < 1) {
|
|
ERROR("exec called without command\n");
|
|
return NULL;
|
|
}
|
|
|
|
service* svc = (service*) calloc(1, sizeof(*svc) + sizeof(char*) * argc);
|
|
if (svc == NULL) {
|
|
ERROR("Couldn't allocate service for exec of '%s': %s", argv[0], strerror(errno));
|
|
return NULL;
|
|
}
|
|
|
|
if ((command_arg > 2) && strcmp(args[1], "-")) {
|
|
svc->seclabel = args[1];
|
|
}
|
|
if (command_arg > 3) {
|
|
svc->uid = decode_uid(args[2]);
|
|
}
|
|
if (command_arg > 4) {
|
|
svc->gid = decode_uid(args[3]);
|
|
svc->nr_supp_gids = command_arg - 1 /* -- */ - 4 /* exec SECLABEL UID GID */;
|
|
for (size_t i = 0; i < svc->nr_supp_gids; ++i) {
|
|
svc->supp_gids[i] = decode_uid(args[4 + i]);
|
|
}
|
|
}
|
|
|
|
static int exec_count; // Every service needs a unique name.
|
|
char* name = NULL;
|
|
asprintf(&name, "exec %d (%s)", exec_count++, argv[0]);
|
|
if (name == NULL) {
|
|
ERROR("Couldn't allocate name for exec service '%s'\n", argv[0]);
|
|
free(svc);
|
|
return NULL;
|
|
}
|
|
svc->name = name;
|
|
svc->classname = "default";
|
|
svc->flags = SVC_EXEC | SVC_ONESHOT;
|
|
svc->nargs = argc;
|
|
memcpy(svc->args, argv, sizeof(char*) * svc->nargs);
|
|
svc->args[argc] = NULL;
|
|
list_add_tail(&service_list, &svc->slist);
|
|
return svc;
|
|
}
|
|
|
|
static void *parse_service(struct parse_state *state, int nargs, char **args)
|
|
{
|
|
if (nargs < 3) {
|
|
parse_error(state, "services must have a name and a program\n");
|
|
return 0;
|
|
}
|
|
if (!valid_name(args[1])) {
|
|
parse_error(state, "invalid service name '%s'\n", args[1]);
|
|
return 0;
|
|
}
|
|
|
|
service* svc = (service*) service_find_by_name(args[1]);
|
|
if (svc) {
|
|
parse_error(state, "ignored duplicate definition of service '%s'\n", args[1]);
|
|
return 0;
|
|
}
|
|
|
|
nargs -= 2;
|
|
svc = (service*) calloc(1, sizeof(*svc) + sizeof(char*) * nargs);
|
|
if (!svc) {
|
|
parse_error(state, "out of memory\n");
|
|
return 0;
|
|
}
|
|
svc->name = strdup(args[1]);
|
|
svc->classname = "default";
|
|
memcpy(svc->args, args + 2, sizeof(char*) * nargs);
|
|
svc->args[nargs] = 0;
|
|
svc->nargs = nargs;
|
|
svc->onrestart = new Action();
|
|
svc->onrestart->InitSingleTrigger("onrestart");
|
|
list_add_tail(&service_list, &svc->slist);
|
|
return svc;
|
|
}
|
|
|
|
static void parse_line_service(struct parse_state *state, int nargs, char **args)
|
|
{
|
|
struct service *svc = (service*) state->context;
|
|
int i, kw, kw_nargs;
|
|
std::vector<std::string> str_args;
|
|
|
|
if (nargs == 0) {
|
|
return;
|
|
}
|
|
|
|
svc->ioprio_class = IoSchedClass_NONE;
|
|
|
|
kw = lookup_keyword(args[0]);
|
|
switch (kw) {
|
|
case K_class:
|
|
if (nargs != 2) {
|
|
parse_error(state, "class option requires a classname\n");
|
|
} else {
|
|
svc->classname = args[1];
|
|
}
|
|
break;
|
|
case K_console:
|
|
svc->flags |= SVC_CONSOLE;
|
|
break;
|
|
case K_disabled:
|
|
svc->flags |= SVC_DISABLED;
|
|
svc->flags |= SVC_RC_DISABLED;
|
|
break;
|
|
case K_ioprio:
|
|
if (nargs != 3) {
|
|
parse_error(state, "ioprio optin usage: ioprio <rt|be|idle> <ioprio 0-7>\n");
|
|
} else {
|
|
svc->ioprio_pri = strtoul(args[2], 0, 8);
|
|
|
|
if (svc->ioprio_pri < 0 || svc->ioprio_pri > 7) {
|
|
parse_error(state, "priority value must be range 0 - 7\n");
|
|
break;
|
|
}
|
|
|
|
if (!strcmp(args[1], "rt")) {
|
|
svc->ioprio_class = IoSchedClass_RT;
|
|
} else if (!strcmp(args[1], "be")) {
|
|
svc->ioprio_class = IoSchedClass_BE;
|
|
} else if (!strcmp(args[1], "idle")) {
|
|
svc->ioprio_class = IoSchedClass_IDLE;
|
|
} else {
|
|
parse_error(state, "ioprio option usage: ioprio <rt|be|idle> <0-7>\n");
|
|
}
|
|
}
|
|
break;
|
|
case K_group:
|
|
if (nargs < 2) {
|
|
parse_error(state, "group option requires a group id\n");
|
|
} else if (nargs > NR_SVC_SUPP_GIDS + 2) {
|
|
parse_error(state, "group option accepts at most %d supp. groups\n",
|
|
NR_SVC_SUPP_GIDS);
|
|
} else {
|
|
int n;
|
|
svc->gid = decode_uid(args[1]);
|
|
for (n = 2; n < nargs; n++) {
|
|
svc->supp_gids[n-2] = decode_uid(args[n]);
|
|
}
|
|
svc->nr_supp_gids = n - 2;
|
|
}
|
|
break;
|
|
case K_keycodes:
|
|
if (nargs < 2) {
|
|
parse_error(state, "keycodes option requires atleast one keycode\n");
|
|
} else {
|
|
svc->keycodes = (int*) malloc((nargs - 1) * sizeof(svc->keycodes[0]));
|
|
if (!svc->keycodes) {
|
|
parse_error(state, "could not allocate keycodes\n");
|
|
} else {
|
|
svc->nkeycodes = nargs - 1;
|
|
for (i = 1; i < nargs; i++) {
|
|
svc->keycodes[i - 1] = atoi(args[i]);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case K_oneshot:
|
|
svc->flags |= SVC_ONESHOT;
|
|
break;
|
|
case K_onrestart:
|
|
nargs--;
|
|
args++;
|
|
kw = lookup_keyword(args[0]);
|
|
if (!kw_is(kw, COMMAND)) {
|
|
parse_error(state, "invalid command '%s'\n", args[0]);
|
|
break;
|
|
}
|
|
kw_nargs = kw_nargs(kw);
|
|
if (nargs < kw_nargs) {
|
|
parse_error(state, "%s requires %d %s\n", args[0], kw_nargs - 1,
|
|
kw_nargs > 2 ? "arguments" : "argument");
|
|
break;
|
|
}
|
|
str_args.assign(args, args + nargs);
|
|
svc->onrestart->AddCommand(kw_func(kw), str_args);
|
|
break;
|
|
case K_critical:
|
|
svc->flags |= SVC_CRITICAL;
|
|
break;
|
|
case K_setenv: { /* name value */
|
|
if (nargs < 3) {
|
|
parse_error(state, "setenv option requires name and value arguments\n");
|
|
break;
|
|
}
|
|
svcenvinfo* ei = (svcenvinfo*) calloc(1, sizeof(*ei));
|
|
if (!ei) {
|
|
parse_error(state, "out of memory\n");
|
|
break;
|
|
}
|
|
ei->name = args[1];
|
|
ei->value = args[2];
|
|
ei->next = svc->envvars;
|
|
svc->envvars = ei;
|
|
break;
|
|
}
|
|
case K_socket: {/* name type perm [ uid gid context ] */
|
|
if (nargs < 4) {
|
|
parse_error(state, "socket option requires name, type, perm arguments\n");
|
|
break;
|
|
}
|
|
if (strcmp(args[2],"dgram") && strcmp(args[2],"stream")
|
|
&& strcmp(args[2],"seqpacket")) {
|
|
parse_error(state, "socket type must be 'dgram', 'stream' or 'seqpacket'\n");
|
|
break;
|
|
}
|
|
socketinfo* si = (socketinfo*) calloc(1, sizeof(*si));
|
|
if (!si) {
|
|
parse_error(state, "out of memory\n");
|
|
break;
|
|
}
|
|
si->name = args[1];
|
|
si->type = args[2];
|
|
si->perm = strtoul(args[3], 0, 8);
|
|
if (nargs > 4)
|
|
si->uid = decode_uid(args[4]);
|
|
if (nargs > 5)
|
|
si->gid = decode_uid(args[5]);
|
|
if (nargs > 6)
|
|
si->socketcon = args[6];
|
|
si->next = svc->sockets;
|
|
svc->sockets = si;
|
|
break;
|
|
}
|
|
case K_user:
|
|
if (nargs != 2) {
|
|
parse_error(state, "user option requires a user id\n");
|
|
} else {
|
|
svc->uid = decode_uid(args[1]);
|
|
}
|
|
break;
|
|
case K_seclabel:
|
|
if (nargs != 2) {
|
|
parse_error(state, "seclabel option requires a label string\n");
|
|
} else {
|
|
svc->seclabel = args[1];
|
|
}
|
|
break;
|
|
case K_writepid:
|
|
if (nargs < 2) {
|
|
parse_error(state, "writepid option requires at least one filename\n");
|
|
break;
|
|
}
|
|
svc->writepid_files_ = new std::vector<std::string>;
|
|
for (int i = 1; i < nargs; ++i) {
|
|
svc->writepid_files_->push_back(args[i]);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
parse_error(state, "invalid option '%s'\n", args[0]);
|
|
}
|
|
}
|
|
|
|
static void *parse_action(struct parse_state* state, int nargs, char **args)
|
|
{
|
|
std::string ret_err;
|
|
std::vector<std::string> triggers(args + 1, args + nargs);
|
|
Action* ret = ActionManager::GetInstance().AddNewAction(triggers, &ret_err);
|
|
|
|
if (!ret) {
|
|
parse_error(state, "%s\n", ret_err.c_str());
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void parse_line_action(struct parse_state* state, int nargs, char **args)
|
|
{
|
|
Action* act = (Action*) state->context;
|
|
int kw, n;
|
|
|
|
if (nargs == 0) {
|
|
return;
|
|
}
|
|
|
|
kw = lookup_keyword(args[0]);
|
|
if (!kw_is(kw, COMMAND)) {
|
|
parse_error(state, "invalid command '%s'\n", args[0]);
|
|
return;
|
|
}
|
|
|
|
n = kw_nargs(kw);
|
|
if (nargs < n) {
|
|
parse_error(state, "%s requires %d %s\n", args[0], n - 1,
|
|
n > 2 ? "arguments" : "argument");
|
|
return;
|
|
}
|
|
|
|
std::vector<std::string> str_args(args, args + nargs);
|
|
act->AddCommand(kw_func(kw), str_args, state->filename, state->line);
|
|
}
|