php_cli.c

php-4.4.7学习linux时下载的源代码

	ec.name_len = sizeof("STDERR");
	ec.module_number = 0;
	zend_register_constant(&ec TSRMLS_CC);

	FREE_ZVAL(zin);
	FREE_ZVAL(zout);
	FREE_ZVAL(zerr);
}

/* {{{ cli_seek_file_begin
 */
static int cli_seek_file_begin(zend_file_handle *file_handle, char *script_file, int *lineno TSRMLS_DC)
{
	int c;

	*lineno = 1;

	if (!(file_handle->handle.fp = VCWD_FOPEN(script_file, "rb"))) {
		php_printf("Could not open input file: %s\n", script_file);
		return FAILURE;
	}
	file_handle->filename = script_file;
	/* #!php support */
	c = fgetc(file_handle->handle.fp);
	if (c == '#') {
		while (c != 10 && c != 13) {
			c = fgetc(file_handle->handle.fp);	/* skip to end of line */
		}
		/* handle situations where line is terminated by \r\n */
		if (c == 13) {
			if (fgetc(file_handle->handle.fp) != 10) {
				long pos = ftell(file_handle->handle.fp);
				fseek(file_handle->handle.fp, pos - 1, SEEK_SET);
			}
		}
		*lineno = -2;
	} else {
		rewind(file_handle->handle.fp);
	}
	return SUCCESS;
}
/* }}} */

/* {{{ main
 */
int main(int argc, char *argv[])
{
	int exit_status = SUCCESS;
	int c;
	zend_file_handle file_handle;
/* temporary locals */
	int behavior=PHP_MODE_STANDARD;
	int orig_optind=php_optind;
	char *orig_optarg=php_optarg;
	char *arg_free=NULL, **arg_excp=&arg_free;
	char *script_file=NULL;
	zend_llist global_vars;
	int interactive=0;
	int module_started = 0;
	int lineno = 0;
	char *exec_direct=NULL;
	char *param_error=NULL;
	int hide_argv = 0;
/* end of temporary locals */
#ifdef ZTS
	zend_compiler_globals *compiler_globals;
	zend_executor_globals *executor_globals;
	php_core_globals *core_globals;
	sapi_globals_struct *sapi_globals;
	void ***tsrm_ls;
#endif


#ifdef HAVE_SIGNAL_H
#if defined(SIGPIPE) && defined(SIG_IGN)
	signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE in standalone mode so
								that sockets created via fsockopen()
								don't kill PHP if the remote site
								closes it.  in apache|apxs mode apache
								does that for us!  [e-mail]
								20000419 */
#endif
#endif


#ifdef ZTS
	tsrm_startup(1, 1, 0, NULL);
#endif

	cli_sapi_module.ini_defaults = sapi_cli_ini_defaults;
	cli_sapi_module.phpinfo_as_text = 1;
	sapi_startup(&cli_sapi_module);

#ifdef PHP_WIN32
	_fmode = _O_BINARY;			/*sets default for file streams to binary */
	setmode(_fileno(stdin), O_BINARY);		/* make the stdio mode be binary */
	setmode(_fileno(stdout), O_BINARY);		/* make the stdio mode be binary */
	setmode(_fileno(stderr), O_BINARY);		/* make the stdio mode be binary */
#endif


	while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0))!=-1) {
		switch (c) {
		case 'c':
			cli_sapi_module.php_ini_path_override = strdup(php_optarg);
			break;
		case 'n':
			cli_sapi_module.php_ini_ignore = 1;
			break;
		}
	}
	php_optind = orig_optind;
	php_optarg = orig_optarg;

	cli_sapi_module.executable_location = argv[0];

#ifdef ZTS
	compiler_globals = ts_resource(compiler_globals_id);
	executor_globals = ts_resource(executor_globals_id);
	core_globals = ts_resource(core_globals_id);
	sapi_globals = ts_resource(sapi_globals_id);
	tsrm_ls = ts_resource(0);
#endif

	/* startup after we get the above ini override se we get things right */
	if (php_module_startup(&cli_sapi_module, NULL, 0)==FAILURE) {
		/* there is no way to see if we must call zend_ini_deactivate()
		 * since we cannot check if EG(ini_directives) has been initialised
		 * because the executor's constructor does not set initialize it.
		 * Apart from that there seems no need for zend_ini_deactivate() yet.
		 * So we goto out_err.*/
		exit_status = 1;
		goto out_err;
	}
	module_started = 1;

	zend_first_try {
		zend_llist_init(&global_vars, sizeof(char *), NULL, 0);

		zend_uv.html_errors = 0; /* tell the engine we're in non-html mode */
		CG(in_compilation) = 0; /* not initialized but needed for several options */
		EG(uninitialized_zval_ptr) = NULL;

		if (cli_sapi_module.php_ini_path_override && cli_sapi_module.php_ini_ignore) {
			PUTS("You cannot use both -n and -c switch. Use -h for help.\n");
			exit_status=1;
			goto out_err;
		}

		/* here is the place for hard coded defaults which cannot be overwritten in the ini file */
		INI_HARDCODED("register_argc_argv", "1");
		INI_HARDCODED("html_errors", "0");
		INI_HARDCODED("implicit_flush", "1");
		INI_HARDCODED("output_buffering", "0");
		INI_HARDCODED("max_execution_time", "0");

		while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0)) != -1) {
			switch (c) {

			case 'd': /* define ini entries on command line */
				define_command_line_ini_entry(php_optarg);
				break;

			case 'h': /* help & quit */
			case '?':
				if (php_request_startup(TSRMLS_C)==FAILURE) {
					goto err;
				}
				php_output_startup();
				php_cli_usage(argv[0]);
				php_end_ob_buffers(1 TSRMLS_CC);
				exit_status=0;
				goto out;


			case 'i': /* php info & quit */
				if (php_request_startup(TSRMLS_C)==FAILURE) {
					goto err;
				}
				php_print_info(0xFFFFFFFF TSRMLS_CC);
				php_end_ob_buffers(1 TSRMLS_CC);
				exit_status=0;
				goto out;

			case 'm': /* list compiled in modules */
				if (php_request_startup(TSRMLS_C)==FAILURE) {
					goto err;
				}
				php_output_startup();
				php_printf("[PHP Modules]\n");
				print_modules(TSRMLS_C);
				php_printf("\n[Zend Modules]\n");
				print_extensions(TSRMLS_C);
				php_printf("\n");
				php_end_ob_buffers(1 TSRMLS_CC);
				exit_status=0;
				goto out;

			case 'v': /* show php version & quit */
				if (php_request_startup(TSRMLS_C)==FAILURE) {
					goto err;
				}
#if ZEND_DEBUG
				php_printf("PHP %s (%s) (built: %s %s) (DEBUG)\nCopyright (c) 1997-2007 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
#else
				php_printf("PHP %s (%s) (built: %s %s)\nCopyright (c) 1997-2007 The PHP Group\n%s", PHP_VERSION, sapi_module.name, __DATE__, __TIME__, get_zend_version());
#endif
				php_end_ob_buffers(1 TSRMLS_CC);
				exit_status=0;
				goto out;

			default:
				break;
			}
		}

        /* Set some CLI defaults */
		SG(options) |= SAPI_OPTION_NO_CHDIR;

		php_optind = orig_optind;
		php_optarg = orig_optarg;
		while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0)) != -1) {
			switch (c) {

			case 'a':	/* interactive mode */
				printf("Interactive mode enabled\n\n");
				interactive=1;
				break;

			case 'C': /* don't chdir to the script directory */
				/* This is default so NOP */
				break;

			case 'e': /* enable extended info output */
				CG(extended_info) = 1;
				break;

			case 'f': /* parse file */
				if (behavior == PHP_MODE_CLI_DIRECT) {
					param_error = "Either execute direct code or use a file.\n";
					break;
				}
				script_file = php_optarg;
				break;

			case 'g': /* define global variables on command line */
				{
					char *arg = estrdup(php_optarg);

					zend_llist_add_element(&global_vars, &arg);
				}
				break;

			case 'l': /* syntax check mode */
				if (behavior != PHP_MODE_STANDARD) {
					break;
				}
				behavior=PHP_MODE_LINT;
				break;

#if 0 /* not yet operational, see also below ... */
			case '': /* generate indented source mode*/
				if (behavior == PHP_MODE_CLI_DIRECT) {
					param_error = "Source indenting only works for files.\n";
					break;
				}
				behavior=PHP_MODE_INDENT;
				break;
#endif

			case 'q': /* do not generate HTTP headers */
				/* This is default so NOP */
				break;

			case 'r': /* run code from command line */
				if (behavior != PHP_MODE_STANDARD) {
					param_error = "Either execute direct code or use a file.\n";
					break;
				}
				behavior=PHP_MODE_CLI_DIRECT;
				exec_direct=php_optarg;
				break;

			case 's': /* generate highlighted HTML from source */
				if (behavior == PHP_MODE_CLI_DIRECT) {
					param_error = "Source highlighting only works for files.\n";
					break;
				}
				behavior=PHP_MODE_HIGHLIGHT;
				break;

			case 'w':
				if (behavior == PHP_MODE_CLI_DIRECT) {
					param_error = "Source stripping only works for files.\n";
					break;
				}
				behavior=PHP_MODE_STRIP;
				break;

			case 'z': /* load extension file */
				zend_load_extension(php_optarg);
				break;
			case 'H':
				hide_argv = 1;
				break;

			default:
				break;
			}
		}

		if (param_error) {
			PUTS(param_error);
			exit_status=1;
			goto out_err;
		}

		CG(interactive) = interactive;

		/* only set script_file if not set already and not in direct mode and not at end of parameter list */
		if (argc > php_optind && !script_file && behavior!=PHP_MODE_CLI_DIRECT && strcmp(argv[php_optind-1],"--")) {
			script_file=argv[php_optind];
			php_optind++;
		}
		if (script_file) {
			if (cli_seek_file_begin(&file_handle, script_file, &lineno TSRMLS_CC) != SUCCESS) {
				goto err;
			}
			file_handle.filename = script_file;
			script_filename = script_file;
		} else {
			file_handle.filename = "-";
			file_handle.handle.fp = stdin;
		}
		file_handle.type = ZEND_HANDLE_FP;
		file_handle.opened_path = NULL;
		file_handle.free_filename = 0;
		php_self = file_handle.filename;

		/* before registering argv to module exchange the *new* argv[0] */
		/* we can achieve this without allocating more memory */
		SG(request_info).argc=argc-php_optind+1;
		arg_excp = argv+php_optind-1;
		arg_free = argv[php_optind-1];
		SG(request_info).path_translated = file_handle.filename;
		argv[php_optind-1] = file_handle.filename;
		SG(request_info).argv=argv+php_optind-1;

		if (php_request_startup(TSRMLS_C)==FAILURE) {
			*arg_excp = arg_free;
			fclose(file_handle.handle.fp);
			php_request_shutdown((void *) 0);
			PUTS("Could not startup.\n");
			goto err;
		}
		CG(zend_lineno) = lineno;
		*arg_excp = arg_free; /* reconstuct argv */

		if (hide_argv) {
			int i;
			for (i = 1; i < argc; i++) {
				memset(argv[i], 0, strlen(argv[i]));
			}
		}

		/* This actually destructs the elements of the list - ugly hack */
		zend_llist_apply(&global_vars, (llist_apply_func_t) php_register_command_line_global_vars TSRMLS_CC);
		zend_llist_destroy(&global_vars);

		PG(during_request_startup) = 0;
		switch (behavior) {
		case PHP_MODE_STANDARD:
			if (strcmp(file_handle.filename, "-")) {
				cli_register_file_handles(TSRMLS_C);
			}
			php_execute_script(&file_handle TSRMLS_CC);
			exit_status = EG(exit_status);
			break;
		case PHP_MODE_LINT:
			exit_status = php_lint_script(&file_handle TSRMLS_CC);
			if (exit_status==SUCCESS) {
				zend_printf("No syntax errors detected in %s\n", file_handle.filename);
			} else {
				zend_printf("Errors parsing %s\n", file_handle.filename);
			}
			break;
		case PHP_MODE_STRIP:
			if (open_file_for_scanning(&file_handle TSRMLS_CC)==SUCCESS) {
				zend_strip(TSRMLS_C);
			}
			goto out;
			break;
		case PHP_MODE_HIGHLIGHT:
			{
				zend_syntax_highlighter_ini syntax_highlighter_ini;

				if (open_file_for_scanning(&file_handle TSRMLS_CC)==SUCCESS) {
					php_get_highlight_struct(&syntax_highlighter_ini);
					zend_highlight(&syntax_highlighter_ini TSRMLS_CC);
				}
				goto out;
			}
			break;
#if 0
			/* Zeev might want to do something with this one day */
		case PHP_MODE_INDENT:
			open_file_for_scanning(&file_handle TSRMLS_CC);
			zend_indent();
			fclose(file_handle.handle.fp);
			goto out;
			break;
#endif
		case PHP_MODE_CLI_DIRECT:
			cli_register_file_handles(TSRMLS_C);
			if (zend_eval_string(exec_direct, NULL, "Command line code" TSRMLS_CC) == FAILURE) {
				exit_status=254;
			}
			break;
		}

		if (cli_sapi_module.php_ini_path_override) {
			free(cli_sapi_module.php_ini_path_override);
		}
	} zend_end_try();

out:
	php_request_shutdown((void *) 0);
	if (exit_status == 0) {
		exit_status = EG(exit_status);
	}
out_err:	
	if (module_started) {
		php_module_shutdown(TSRMLS_C);
	}
	sapi_shutdown();
#ifdef ZTS
	tsrm_shutdown();
#endif

	exit(exit_status);

err:
	zend_ini_deactivate(TSRMLS_C);
	exit_status = 1;
	goto out_err;
}
/* }}} */

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: sw=4 ts=4 fdm=marker
 * vim<600: sw=4 ts=4
 */