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- /* vi:ts=4:sw=4
- *
- * VIM - Vi IMproved
- *
- * Code Contributions By: Bram Moolenaar mool@oce.nl
- * Tim Thompson twitch!tjt
- * Tony Andrews onecom!wldrdg!tony
- * G. R. (Fred) Walter watmath!watcgl!grwalter
- */
-
- #define EXTERN
- #include "vim.h"
- #include "globals.h"
- #include "proto.h"
- #include "param.h"
-
- static void usage __PARMS((int));
-
- static void
- usage(n)
- int n;
- {
- register int i;
- static char *(use[]) = {"[file ..]\n",
- "-t tag\n",
- "+[command] file ..\n",
- "-c {command} file ..\n",
- "-e [errorfile]\n"};
- static char *(errors[]) = {"Unknown option\n", /* 0 */
- "Too many arguments\n", /* 1 */
- "Argument missing\n", /* 2 */
- };
-
- fprintf(stderr, errors[n]);
- fprintf(stderr, "usage:");
- for (i = 0; ; ++i)
- {
- fprintf(stderr, " vim [options] ");
- fprintf(stderr, use[i]);
- if (i == (sizeof(use) / sizeof(char *)) - 1)
- break;
- fprintf(stderr, " or:");
- }
- #ifdef AMIGA
- fprintf(stderr, "\noptions: -v -n -b -r -x -d device -s scriptin -w scriptout -T terminal\n");
- #else
- fprintf(stderr, "\noptions: -v -n -b -r -s scriptin -w scriptout -T terminal\n");
- #endif
- mch_windexit(1);
- }
-
- #ifdef USE_LOCALE
- # include <locale.h>
- #endif
-
- void
- main(argc, argv)
- int argc;
- char **argv;
- {
- char *initstr; /* init string from the environment */
- char *term = NULL; /* specified terminal name */
- char *fname = NULL; /* file name from command line */
- char *command = NULL; /* command from + option */
- char *tagname = NULL; /* tag from -t option */
- int c;
- int doqf = 0;
- int i;
- int bin_mode = FALSE; /* -b option used */
-
- #ifdef DEBUG
- # ifdef MSDOS
- OPENDEBUG("#debug#");
- # else
- OPENDEBUG("/tmp/debug/vim");
- # endif
- #endif
-
- /*
- * Check if we have an interactive window.
- * If not, open one with a newcli command (needed for :! to work).
- * check_win will also handle the -d argument (for the Amiga).
- */
- check_win(argc, argv);
-
- /*
- * If the executable is called "view" we start in readonly mode.
- */
- if (strcmp(gettail(argv[0]), "view") == 0)
- {
- readonlymode = TRUE;
- p_ro = TRUE;
- p_uc = 0;
- }
-
- ++argv;
- /*
- * Process the command line arguments
- * '-s scriptin' read from script file
- * '-w scriptout' write to script file
- * '-v' view
- * '-b' binary
- * '-n' no .vim file
- * '-r' recovery mode
- * '-x' open window directly, not with newcli
- * '-T terminal' terminal name
- */
- while (argc > 1 && argv[0][0] == '-' &&
- strchr("vnbrxswTd", c = argv[0][1]) != NULL && c)
- {
- --argc;
- switch (c)
- {
- case 'v':
- readonlymode = TRUE;
- p_ro = TRUE;
- /*FALLTHROUGH*/
-
- case 'n':
- p_uc = 0;
- break;
-
- case 'b':
- bin_mode = TRUE; /* postpone to after reading .exrc files */
- break;
-
- case 'r':
- recoverymode = 1;
- break;
-
- case 'x':
- break; /* This is ignored as it is handled in check_win() */
-
- default: /* options with argument */
- ++argv;
- --argc;
- if (argc < 1)
- usage(2);
-
- switch (c)
- {
- case 's':
- if ((scriptin[0] = fopen(argv[0], READBIN)) == NULL)
- {
- fprintf(stderr, "cannot open %s for reading\n", argv[0]);
- mch_windexit(2);
- }
- break;
-
- case 'w':
- if ((scriptout = fopen(argv[0],
- #ifdef MSDOS
- "ab"
- #else
- "a"
- #endif
- )) == NULL)
- {
- fprintf(stderr, "cannot open %s for output\n", argv[0]);
- mch_windexit(2);
- }
- break;
-
- /*
- * The -T term option is always available and when TERMCAP is supported it
- * overrides the environment variable TERM.
- */
- case 'T':
- term = *argv;
- break;
-
- /* case 'd': This is ignored as it is handled in check_win() */
- }
- }
- ++argv;
- }
-
- /*
- * Allocate space for the generic buffer
- */
- if ((IObuff = alloc(IOSIZE)) == NULL)
- mch_windexit(0);
-
- /* note that we may use mch_windexit() before mch_windinit()! */
- mch_windinit();
- set_init(); /* after mch_windinit because Rows is used */
-
- /*
- * Process the other command line arguments.
- */
- if (argc > 1)
- {
- c = argv[0][1];
- switch (argv[0][0])
- {
- case '-':
- switch (c)
- {
- case 'e': /* -e QuickFix mode */
- switch (argc)
- {
- case 2:
- if (argv[0][2]) /* -eerrorfile */
- p_ef = argv[0] + 2;
- break; /* -e */
-
- case 3: /* -e errorfile */
- ++argv;
- p_ef = argv[0];
- break;
-
- default: /* argc > 3: too many arguments */
- usage(1);
- }
- doqf = 1;
- break;
-
- case 'c': /* -c {command} file .. */
- if (argc <= 3)
- usage(2);
- ++argv;
- --argc;
- command = &(argv[0][0]);
- goto getfiles;
-
- case 't': /* -t tag or -ttag */
- switch (argc)
- {
- case 2:
- if (argv[0][2]) /* -ttag */
- {
- tagname = argv[0] + 2;
- break;
- }
- usage(2); /* argument missing */
- break;
-
- case 3: /* -t tag */
- ++argv;
- tagname = argv[0];
- break;
-
- default: /* argc > 3: too many arguments */
- usage(1);
- }
- break;
-
- default:
- usage(0);
- }
- break;
-
- case '+': /* + or +{number} or +/{pat} or +{command} */
- if (argc < 3) /* no filename */
- usage(2);
- if (c == NUL)
- command = "$";
- else
- command = &(argv[0][1]);
-
- getfiles:
- ++argv;
- --argc;
- /*FALLTHROUGH*/
-
- default: /* must be a file name */
- #if !defined(UNIX)
- ExpandWildCards(argc - 1, argv, &numfiles, &files, TRUE, TRUE);
- if (numfiles != 0)
- {
- fname = files[0];
- files_exp = TRUE;
- }
- #else
- files = argv;
- numfiles = argc - 1;
- fname = argv[0];
- #endif
- if (numfiles > 1)
- printf("%d files to edit\n", numfiles);
- break;
- }
- }
-
- RedrawingDisabled = TRUE;
- filealloc(); /* Initialize storage structure */
- init_yank(); /* init yank buffers */
- termcapinit(term); /* get terminal capabilities */
-
- #ifdef USE_LOCALE
- setlocale(LC_ALL, ""); /* for ctype() and the like */
- #endif
-
- #ifdef MSDOS /* default mapping for some often used keys */
- domap(0, "#1 :help\r", NORMAL); /* F1 is help key */
- domap(0, "\316R i", NORMAL); /* INSERT is 'i' */
- domap(0, "\316S \177", NORMAL); /* DELETE is 0x7f */
- domap(0, "\316G 0", NORMAL); /* HOME is '0' */
- domap(0, "\316w H", NORMAL); /* CTRL-HOME is 'H' */
- domap(0, "\316O $", NORMAL); /* END is '$' */
- domap(0, "\316u L", NORMAL); /* CTRL-END is 'L' */
- domap(0, "\316I \002", NORMAL); /* PageUp is '^B' */
- domap(0, "\316\204 1G", NORMAL); /* CTRL-PageUp is '1G' */
- domap(0, "\316Q \006", NORMAL); /* PageDown is '^F' */
- domap(0, "\316v G", NORMAL); /* CTRL-PageDown is 'G' */
- /* insert mode */
- domap(0, "#1 \017:help\r", INSERT); /* F1 is help key */
- domap(0, "\316R \033", INSERT); /* INSERT is ESC */
- /* note: extra space needed to avoid the same memory used for this
- and the one above, domap() will add a NUL to it */
- domap(0, "\316S \177", INSERT+CMDLINE); /* DELETE is 0x7f */
- domap(0, "\316G \017""0", INSERT); /* HOME is '^O0' */
- domap(0, "\316w \017H", INSERT); /* CTRL-HOME is '^OH' */
- domap(0, "\316O \017$", INSERT); /* END is '^O$' */
- domap(0, "\316u \017L", INSERT); /* CTRL-END is '^OL' */
- domap(0, "\316I \017\002", INSERT); /* PageUp is '^O^B' */
- domap(0, "\316\204 \017\061G", INSERT); /* CTRL-PageUp is '^O1G' */
- domap(0, "\316Q \017\006", INSERT); /* PageDown is '^O^F' */
- domap(0, "\316v \017G", INSERT); /* CTRL-PageDown is '^OG' */
- #endif
-
- /*
- * get system wide defaults (for unix)
- */
- #ifdef DEFVIMRC_FILE
- dosource(DEFVIMRC_FILE);
- #endif
-
- /*
- * Try to read initialization commands from the following places:
- * - environment variable VIMINIT
- * - file s:.vimrc ($HOME/.vimrc for Unix)
- * - environment variable EXINIT
- * - file s:.exrc ($HOME/.exrc for Unix)
- * The first that exists is used, the rest is ignored.
- */
- if ((initstr = (char *)vimgetenv("VIMINIT")) != NULL)
- docmdline((u_char *)initstr);
- else if (dosource(SYSVIMRC_FILE))
- {
- if ((initstr = (char *)vimgetenv("EXINIT")) != NULL)
- docmdline((u_char *)initstr);
- else
- dosource(SYSEXRC_FILE);
- }
-
- /*
- * Read initialization commands from ".vimrc" or ".exrc" in current directory.
- * This is only done if the 'exrc' option is set.
- * Because of security reasons we disallow shell and write commands now,
- * except for unix if the file is owned by the user or 'secure' option has been
- * reset in environmet of global ".exrc" or ".vimrc".
- * Only do this if VIMRC_FILE is not the same as SYSVIMRC_FILE or DEFVIMRC_FILE.
- */
- if (p_exrc)
- {
- #ifdef UNIX
- {
- struct stat s;
-
- /* if ".vimrc" file is not owned by user, set 'secure' mode */
- if (stat(VIMRC_FILE, &s) || s.st_uid != getuid())
- secure = p_secure;
- }
- #else
- secure = p_secure;
- #endif
-
- i = 1;
- if (fullpathcmp(SYSVIMRC_FILE, VIMRC_FILE)
- #ifdef DEFVIMRC_FILE
- && fullpathcmp(DEFVIMRC_FILE, VIMRC_FILE)
- #endif
- )
- i = dosource(VIMRC_FILE);
- #ifdef UNIX
- if (i)
- {
- struct stat s;
-
- /* if ".exrc" file is not owned by user set 'secure' mode */
- if (stat(EXRC_FILE, &s) || s.st_uid != getuid())
- secure = p_secure;
- else
- secure = 0;
- }
- #endif
- if (i && fullpathcmp(SYSEXRC_FILE, EXRC_FILE))
- dosource(EXRC_FILE);
- }
-
- /*
- * Call settmode and starttermcap here, so the T_KS and T_TS may be defined
- * by termcapinit and redifined in .exrc.
- */
- settmode(1);
- starttermcap();
-
- if (secure == 2) /* done something that is not allowed */
- wait_return(TRUE); /* must be called after settmode(1) */
- secure = 0;
-
- #ifdef AMIGA
- fname_case(fname); /* set correct case for file name */
- #endif
- setfname(fname, NULL);
- maketitle();
-
- if (bin_mode) /* -b option used */
- {
- p_bin = 1; /* binary file I/O */
- p_tw = 0; /* no automatic line wrap */
- p_tx = 0; /* no text mode */
- p_ta = 0; /* no text auto */
- p_ml = 0; /* no modelines */
- p_et = 0; /* no expand tab */
- }
-
- /*
- * Start putting things on the screen.
- * Clear screen first, so file message will not be cleared.
- */
- starting = FALSE;
- screenclear();
- if (Filename != NULL)
- readfile(Filename, sFilename, (linenr_t)0, TRUE);
- else
- msg("Empty Buffer");
- UNCHANGED;
-
- setpcmark();
- if (!tagname)
- startscript(); /* start writing to auto script file */
-
- if (recoverymode && !scriptin[curscript]) /* first do script file, then recover */
- openrecover();
-
- /* position the display and the cursor at the top of the file. */
- Topline = 1;
- Curpos.lnum = 1;
- Curpos.col = 0;
- Cursrow = Curscol = 0;
-
- if (doqf && qf_init()) /* if reading error file fails: exit */
- mch_windexit(3);
-
- if (command)
- docmdline((u_char *)command);
- /*
- * put the :ta command in the stuff buffer here, so that it will not
- * be erased by an emsg().
- */
- if (tagname)
- {
- stuffReadbuff(":ta ");
- stuffReadbuff(tagname);
- stuffReadbuff("\n");
- }
-
- RedrawingDisabled = FALSE;
- updateScreen(NOT_VALID);
-
- /* start in insert mode (already taken care of for :ta command) */
- if (p_im && stuff_empty())
- stuffReadbuff("i");
- /*
- * main command loop
- */
- for (;;)
- {
- if (got_int)
- {
- (void)vgetc(); /* flush all buffers */
- got_int = FALSE;
- }
- adjustCurpos();
- if (stuff_empty()) /* only when no command pending */
- {
- cursupdate(); /* Figure out where the cursor is based on Curpos. */
- showruler(0);
-
- if (Visual.lnum)
- updateScreen(INVERTED); /* update inverted part */
- if (must_redraw)
- updateScreen(VALID);
- setcursor();
- }
-
- normal(); /* get and execute a command */
- }
- /*NOTREACHED*/
- }
-
- void
- getout(r)
- int r;
- {
- windgoto((int)Rows - 1, 0);
- outchar('\r');
- outchar('\n');
- mch_windexit(r);
- }
-