refactor: replace interactive REPL with command dispatch

includes/internal/cli/interactive.h

@@ -1,8 +0,0 @@
-#ifndef FT_SSL_INTERACTIVE_H
-#define FT_SSL_INTERACTIVE_H
-
-#include <cli.h>
-
-enum cli_code	run_interactive(void);
-
-#endif

src/Makefile.am

@@ -41,15 +41,14 @@ FORCE:
 
 ft_ssl_SOURCES				= \
 							  main.c \
-							  ssl_run.c \
+							  cmd/command_table.c \
+							  cmd/digest_run.c \
 							  ssl/run_stdin.c \
 							  ssl/run_string.c \
 							  ssl/run_file.c \
 							  ssl/digest.c \
 							  ssl/output.c \
-							  cli/parse.c \
 							  cli/version.c \
-							  cli/interactive.c \
 							  cli/handlers/option_map.c \
 							  cli/handlers/handle_help.c \
 							  cli/handlers/handle_version.c \

src/cli/interactive.c

@@ -1,72 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-
-#include <cli.h>
-#include <libft_ssl.h>
-
-#include "ft_ssl.h"
-#include "internal/cli/interactive.h"
-
-#define INTERACTIVE_BUFSIZ 4096
-
-static const struct digest_algo * const	s_algos[] = {
-#define DIGEST_ALGO(lower, ds, bs)	&g_##lower,
-#include <digest_algos.h>
-#undef DIGEST_ALGO
-	NULL
-};
-
-static const struct digest_algo	*find_algo(const char *name);
-static void						print_available(void);
-
-enum cli_code
-run_interactive(void)
-{
-	char						buf[INTERACTIVE_BUFSIZ];
-	const struct digest_algo	*algo;
-	struct ssl_config			config;
-
-	while (fgets(buf, (int)sizeof(buf), stdin))
-	{
-		buf[strcspn(buf, "\n")] = '\0';
-		if (buf[0] == '\0')
-			continue;
-		algo = find_algo(buf);
-		if (NULL == algo)
-		{
-			fprintf(stderr, "ft_ssl: unknown command -- '%s'\n", buf);
-			print_available();
-			continue;
-		}
-		memset(&config, 0, sizeof(config));
-		config.algo = algo;
-		ssl_run(&config);
-	}
-	return CLI_EXIT_SUCCESS;
-}
-
-static const struct digest_algo *
-find_algo(const char *name)
-{
-	size_t	i;
-
-	for (i = 0; s_algos[i]; ++i)
-	{
-		if (0 == strcmp(s_algos[i]->name, name))
-			return s_algos[i];
-	}
-	return NULL;
-}
-
-static void
-print_available(void)
-{
-	size_t	i;
-
-	fprintf(stderr, "available commands:");
-	for (i = 0; s_algos[i]; ++i)
-		fprintf(stderr, " %s", s_algos[i]->name);
-	fprintf(stderr, "\n");
-}

src/main.c

@@ -1,24 +1,45 @@
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include <cli.h>
 
-#include "ft_ssl.h"
+#include "internal/cmd/command.h"
+#include "version_gen.h"
 
 char	*g_prog_name = NULL;
 
 int
 main(int argc, char **argv)
 {
-	struct ssl_config	config = {0};
+	const struct command_descriptor	*cmd;
-	int					ret = CLI_ERROR;
+	int								 ret;
 
 	g_prog_name = argv[0];
 	cli_set_prog_name(g_prog_name);
-	ret = cli_parse_arguments(argc, argv, &config);
+	if (argc < 2)
-	if (CLI_SUCCESS != ret)
+	{
-		goto cleanup;
+		print_commands(stderr);
-	ret = ssl_run(&config);
+		return 2;
-
+	}
-cleanup:
+	if (0 == strcmp(argv[1], "-h") || 0 == strcmp(argv[1], "--help"))
-	return (CLI_ERROR == ret) ? 2 : EXIT_SUCCESS;
+	{
+		print_commands(stdout);
+		return EXIT_SUCCESS;
+	}
+	cmd = find_command(argv[1]);
+	if (NULL == cmd)
+	{
+		fprintf(stderr, "%s: Error: %s is an invalid command.\n",
+				argv[0], argv[1]);
+		print_commands(stderr);
+		return 2;
+	}
+	if (NULL == cmd->run)
+	{
+		fprintf(stderr, "%s: %s: not yet implemented\n", argv[0], argv[1]);
+		return 2;
+	}
+	ret = cmd->run(argc - 1, argv + 1, cmd);
+	return ((int)CLI_ERROR == ret) ? 2 : EXIT_SUCCESS;
 }