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authorBram Moolenaar <Bram@vim.org>2020-04-05 20:21:03 +0200
committerBram Moolenaar <Bram@vim.org>2020-04-05 20:21:03 +0200
commitf87a0400fd81862c33d6ad2291a56e178db7dddd (patch)
tree2a1ef72193db1883d8aa81c158d99148b5412fb6 /src/main.c
parentb8ed3aa9e708ec0af4e9ee8921ad198f0e949c0d (diff)
patch 8.2.0516: client-server code is spread outv8.2.0516
Problem: Client-server code is spread out. Solution: Move client-server code to a new file. (Yegappan Lakshmanan, closes #5885)
Diffstat (limited to 'src/main.c')
-rw-r--r--src/main.c673
1 files changed, 0 insertions, 673 deletions
diff --git a/src/main.c b/src/main.c
index 79973cbaab..e8984ee597 100644
--- a/src/main.c
+++ b/src/main.c
@@ -54,12 +54,6 @@ static void check_swap_exists_action(void);
# ifdef FEAT_EVAL
static void set_progpath(char_u *argv0);
# endif
-# if defined(FEAT_CLIENTSERVER) || defined(PROTO)
-static void exec_on_server(mparm_T *parmp);
-static void prepare_server(mparm_T *parmp);
-static void cmdsrv_main(int *argc, char **argv, char_u *serverName_arg, char_u **serverStr);
-static char_u *serverMakeName(char_u *arg, char *cmd);
-# endif
#endif
@@ -3714,670 +3708,3 @@ set_progpath(char_u *argv0)
}
#endif // NO_VIM_MAIN
-
-#if (defined(FEAT_CLIENTSERVER) && !defined(NO_VIM_MAIN)) || defined(PROTO)
-
-/*
- * Common code for the X command server and the Win32 command server.
- */
-
-static char_u *build_drop_cmd(int filec, char **filev, int tabs, int sendReply);
-
-/*
- * Do the client-server stuff, unless "--servername ''" was used.
- */
- static void
-exec_on_server(mparm_T *parmp)
-{
- if (parmp->serverName_arg == NULL || *parmp->serverName_arg != NUL)
- {
-# ifdef MSWIN
- // Initialise the client/server messaging infrastructure.
- serverInitMessaging();
-# endif
-
- /*
- * When a command server argument was found, execute it. This may
- * exit Vim when it was successful. Otherwise it's executed further
- * on. Remember the encoding used here in "serverStrEnc".
- */
- if (parmp->serverArg)
- {
- cmdsrv_main(&parmp->argc, parmp->argv,
- parmp->serverName_arg, &parmp->serverStr);
- parmp->serverStrEnc = vim_strsave(p_enc);
- }
-
- // If we're still running, get the name to register ourselves.
- // On Win32 can register right now, for X11 need to setup the
- // clipboard first, it's further down.
- parmp->servername = serverMakeName(parmp->serverName_arg,
- parmp->argv[0]);
-# ifdef MSWIN
- if (parmp->servername != NULL)
- {
- serverSetName(parmp->servername);
- vim_free(parmp->servername);
- }
-# endif
- }
-}
-
-/*
- * Prepare for running as a Vim server.
- */
- static void
-prepare_server(mparm_T *parmp)
-{
-# if defined(FEAT_X11)
- /*
- * Register for remote command execution with :serversend and --remote
- * unless there was a -X or a --servername '' on the command line.
- * Only register nongui-vim's with an explicit --servername argument,
- * or when compiling with autoservername.
- * When running as root --servername is also required.
- */
- if (X_DISPLAY != NULL && parmp->servername != NULL && (
-# if defined(FEAT_AUTOSERVERNAME) || defined(FEAT_GUI)
- (
-# if defined(FEAT_AUTOSERVERNAME)
- 1
-# else
- gui.in_use
-# endif
-# ifdef UNIX
- && getuid() != ROOT_UID
-# endif
- ) ||
-# endif
- parmp->serverName_arg != NULL))
- {
- (void)serverRegisterName(X_DISPLAY, parmp->servername);
- vim_free(parmp->servername);
- TIME_MSG("register server name");
- }
- else
- serverDelayedStartName = parmp->servername;
-# endif
-
- /*
- * Execute command ourselves if we're here because the send failed (or
- * else we would have exited above).
- */
- if (parmp->serverStr != NULL)
- {
- char_u *p;
-
- server_to_input_buf(serverConvert(parmp->serverStrEnc,
- parmp->serverStr, &p));
- vim_free(p);
- }
-}
-
- static void
-cmdsrv_main(
- int *argc,
- char **argv,
- char_u *serverName_arg,
- char_u **serverStr)
-{
- char_u *res;
- int i;
- char_u *sname;
- int ret;
- int didone = FALSE;
- int exiterr = 0;
- char **newArgV = argv + 1;
- int newArgC = 1,
- Argc = *argc;
- int argtype;
-#define ARGTYPE_OTHER 0
-#define ARGTYPE_EDIT 1
-#define ARGTYPE_EDIT_WAIT 2
-#define ARGTYPE_SEND 3
- int silent = FALSE;
- int tabs = FALSE;
-# ifndef FEAT_X11
- HWND srv;
-# else
- Window srv;
-
- setup_term_clip();
-# endif
-
- sname = serverMakeName(serverName_arg, argv[0]);
- if (sname == NULL)
- return;
-
- /*
- * Execute the command server related arguments and remove them
- * from the argc/argv array; We may have to return into main()
- */
- for (i = 1; i < Argc; i++)
- {
- res = NULL;
- if (STRCMP(argv[i], "--") == 0) // end of option arguments
- {
- for (; i < *argc; i++)
- {
- *newArgV++ = argv[i];
- newArgC++;
- }
- break;
- }
-
- if (STRICMP(argv[i], "--remote-send") == 0)
- argtype = ARGTYPE_SEND;
- else if (STRNICMP(argv[i], "--remote", 8) == 0)
- {
- char *p = argv[i] + 8;
-
- argtype = ARGTYPE_EDIT;
- while (*p != NUL)
- {
- if (STRNICMP(p, "-wait", 5) == 0)
- {
- argtype = ARGTYPE_EDIT_WAIT;
- p += 5;
- }
- else if (STRNICMP(p, "-silent", 7) == 0)
- {
- silent = TRUE;
- p += 7;
- }
- else if (STRNICMP(p, "-tab", 4) == 0)
- {
- tabs = TRUE;
- p += 4;
- }
- else
- {
- argtype = ARGTYPE_OTHER;
- break;
- }
- }
- }
- else
- argtype = ARGTYPE_OTHER;
-
- if (argtype != ARGTYPE_OTHER)
- {
- if (i == *argc - 1)
- mainerr_arg_missing((char_u *)argv[i]);
- if (argtype == ARGTYPE_SEND)
- {
- *serverStr = (char_u *)argv[i + 1];
- i++;
- }
- else
- {
- *serverStr = build_drop_cmd(*argc - i - 1, argv + i + 1,
- tabs, argtype == ARGTYPE_EDIT_WAIT);
- if (*serverStr == NULL)
- {
- // Probably out of memory, exit.
- didone = TRUE;
- exiterr = 1;
- break;
- }
- Argc = i;
- }
-# ifdef FEAT_X11
- if (xterm_dpy == NULL)
- {
- mch_errmsg(_("No display"));
- ret = -1;
- }
- else
- ret = serverSendToVim(xterm_dpy, sname, *serverStr,
- NULL, &srv, 0, 0, 0, silent);
-# else
- // Win32 always works?
- ret = serverSendToVim(sname, *serverStr, NULL, &srv, 0, 0, silent);
-# endif
- if (ret < 0)
- {
- if (argtype == ARGTYPE_SEND)
- {
- // Failed to send, abort.
- mch_errmsg(_(": Send failed.\n"));
- didone = TRUE;
- exiterr = 1;
- }
- else if (!silent)
- // Let vim start normally.
- mch_errmsg(_(": Send failed. Trying to execute locally\n"));
- break;
- }
-
-# ifdef FEAT_GUI_MSWIN
- // Guess that when the server name starts with "g" it's a GUI
- // server, which we can bring to the foreground here.
- // Foreground() in the server doesn't work very well.
- if (argtype != ARGTYPE_SEND && TOUPPER_ASC(*sname) == 'G')
- SetForegroundWindow(srv);
-# endif
-
- /*
- * For --remote-wait: Wait until the server did edit each
- * file. Also detect that the server no longer runs.
- */
- if (ret >= 0 && argtype == ARGTYPE_EDIT_WAIT)
- {
- int numFiles = *argc - i - 1;
- int j;
- char_u *done = alloc(numFiles);
- char_u *p;
-# ifdef FEAT_GUI_MSWIN
- NOTIFYICONDATA ni;
- int count = 0;
- extern HWND message_window;
-# endif
-
- if (numFiles > 0 && argv[i + 1][0] == '+')
- // Skip "+cmd" argument, don't wait for it to be edited.
- --numFiles;
-
-# ifdef FEAT_GUI_MSWIN
- ni.cbSize = sizeof(ni);
- ni.hWnd = message_window;
- ni.uID = 0;
- ni.uFlags = NIF_ICON|NIF_TIP;
- ni.hIcon = LoadIcon((HINSTANCE)GetModuleHandle(0), "IDR_VIM");
- sprintf(ni.szTip, _("%d of %d edited"), count, numFiles);
- Shell_NotifyIcon(NIM_ADD, &ni);
-# endif
-
- // Wait for all files to unload in remote
- vim_memset(done, 0, numFiles);
- while (memchr(done, 0, numFiles) != NULL)
- {
-# ifdef MSWIN
- p = serverGetReply(srv, NULL, TRUE, TRUE, 0);
- if (p == NULL)
- break;
-# else
- if (serverReadReply(xterm_dpy, srv, &p, TRUE, -1) < 0)
- break;
-# endif
- j = atoi((char *)p);
- if (j >= 0 && j < numFiles)
- {
-# ifdef FEAT_GUI_MSWIN
- ++count;
- sprintf(ni.szTip, _("%d of %d edited"),
- count, numFiles);
- Shell_NotifyIcon(NIM_MODIFY, &ni);
-# endif
- done[j] = 1;
- }
- }
-# ifdef FEAT_GUI_MSWIN
- Shell_NotifyIcon(NIM_DELETE, &ni);
-# endif
- }
- }
- else if (STRICMP(argv[i], "--remote-expr") == 0)
- {
- if (i == *argc - 1)
- mainerr_arg_missing((char_u *)argv[i]);
-# ifdef MSWIN
- // Win32 always works?
- if (serverSendToVim(sname, (char_u *)argv[i + 1],
- &res, NULL, 1, 0, FALSE) < 0)
-# else
- if (xterm_dpy == NULL)
- mch_errmsg(_("No display: Send expression failed.\n"));
- else if (serverSendToVim(xterm_dpy, sname, (char_u *)argv[i + 1],
- &res, NULL, 1, 0, 1, FALSE) < 0)
-# endif
- {
- if (res != NULL && *res != NUL)
- {
- // Output error from remote
- mch_errmsg((char *)res);
- VIM_CLEAR(res);
- }
- mch_errmsg(_(": Send expression failed.\n"));
- }
- }
- else if (STRICMP(argv[i], "--serverlist") == 0)
- {
-# ifdef MSWIN
- // Win32 always works?
- res = serverGetVimNames();
-# else
- if (xterm_dpy != NULL)
- res = serverGetVimNames(xterm_dpy);
-# endif
- if (did_emsg)
- mch_errmsg("\n");
- }
- else if (STRICMP(argv[i], "--servername") == 0)
- {
- // Already processed. Take it out of the command line
- i++;
- continue;
- }
- else
- {
- *newArgV++ = argv[i];
- newArgC++;
- continue;
- }
- didone = TRUE;
- if (res != NULL && *res != NUL)
- {
- mch_msg((char *)res);
- if (res[STRLEN(res) - 1] != '\n')
- mch_msg("\n");
- }
- vim_free(res);
- }
-
- if (didone)
- {
- display_errors(); // display any collected messages
- exit(exiterr); // Mission accomplished - get out
- }
-
- // Return back into main()
- *argc = newArgC;
- vim_free(sname);
-}
-
-/*
- * Build a ":drop" command to send to a Vim server.
- */
- static char_u *
-build_drop_cmd(
- int filec,
- char **filev,
- int tabs, // Use ":tab drop" instead of ":drop".
- int sendReply)
-{
- garray_T ga;
- int i;
- char_u *inicmd = NULL;
- char_u *p;
- char_u *cdp;
- char_u *cwd;
-
- if (filec > 0 && filev[0][0] == '+')
- {
- inicmd = (char_u *)filev[0] + 1;
- filev++;
- filec--;
- }
- // Check if we have at least one argument.
- if (filec <= 0)
- mainerr_arg_missing((char_u *)filev[-1]);
-
- // Temporarily cd to the current directory to handle relative file names.
- cwd = alloc(MAXPATHL);
- if (cwd == NULL)
- return NULL;
- if (mch_dirname(cwd, MAXPATHL) != OK)
- {
- vim_free(cwd);
- return NULL;
- }
- cdp = vim_strsave_escaped_ext(cwd,
-#ifdef BACKSLASH_IN_FILENAME
- (char_u *)"", // rem_backslash() will tell what chars to escape
-#else
- PATH_ESC_CHARS,
-#endif
- '\\', TRUE);
- vim_free(cwd);
- if (cdp == NULL)
- return NULL;
- ga_init2(&ga, 1, 100);
- ga_concat(&ga, (char_u *)"<C-\\><C-N>:cd ");
- ga_concat(&ga, cdp);
-
- // Call inputsave() so that a prompt for an encryption key works.
- ga_concat(&ga, (char_u *)"<CR>:if exists('*inputsave')|call inputsave()|endif|");
- if (tabs)
- ga_concat(&ga, (char_u *)"tab ");
- ga_concat(&ga, (char_u *)"drop");
- for (i = 0; i < filec; i++)
- {
- // On Unix the shell has already expanded the wildcards, don't want to
- // do it again in the Vim server. On MS-Windows only escape
- // non-wildcard characters.
- p = vim_strsave_escaped((char_u *)filev[i],
-#ifdef UNIX
- PATH_ESC_CHARS
-#else
- (char_u *)" \t%#"
-#endif
- );
- if (p == NULL)
- {
- vim_free(ga.ga_data);
- return NULL;
- }
- ga_concat(&ga, (char_u *)" ");
- ga_concat(&ga, p);
- vim_free(p);
- }
- ga_concat(&ga, (char_u *)"|if exists('*inputrestore')|call inputrestore()|endif<CR>");
-
- // The :drop commands goes to Insert mode when 'insertmode' is set, use
- // CTRL-\ CTRL-N again.
- ga_concat(&ga, (char_u *)"<C-\\><C-N>");
-
- // Switch back to the correct current directory (prior to temporary path
- // switch) unless 'autochdir' is set, in which case it will already be
- // correct after the :drop command. With line breaks and spaces:
- // if !exists('+acd') || !&acd
- // if haslocaldir()
- // cd -
- // lcd -
- // elseif getcwd() ==# 'current path'
- // cd -
- // endif
- // endif
- ga_concat(&ga, (char_u *)":if !exists('+acd')||!&acd|if haslocaldir()|");
- ga_concat(&ga, (char_u *)"cd -|lcd -|elseif getcwd() ==# '");
- ga_concat(&ga, cdp);
- ga_concat(&ga, (char_u *)"'|cd -|endif|endif<CR>");
- vim_free(cdp);
-
- if (sendReply)
- ga_concat(&ga, (char_u *)":call SetupRemoteReplies()<CR>");
- ga_concat(&ga, (char_u *)":");
- if (inicmd != NULL)
- {
- // Can't use <CR> after "inicmd", because an "startinsert" would cause
- // the following commands to be inserted as text. Use a "|",
- // hopefully "inicmd" does allow this...
- ga_concat(&ga, inicmd);
- ga_concat(&ga, (char_u *)"|");
- }
- // Bring the window to the foreground, goto Insert mode when 'im' set and
- // clear command line.
- ga_concat(&ga, (char_u *)"cal foreground()|if &im|star|en|redr|f<CR>");
- ga_append(&ga, NUL);
- return ga.ga_data;
-}
-
-/*
- * Make our basic server name: use the specified "arg" if given, otherwise use
- * the tail of the command "cmd" we were started with.
- * Return the name in allocated memory. This doesn't include a serial number.
- */
- static char_u *
-serverMakeName(char_u *arg, char *cmd)
-{
- char_u *p;
-
- if (arg != NULL && *arg != NUL)
- p = vim_strsave_up(arg);
- else
- {
- p = vim_strsave_up(gettail((char_u *)cmd));
- // Remove .exe or .bat from the name.
- if (p != NULL && vim_strchr(p, '.') != NULL)
- *vim_strchr(p, '.') = NUL;
- }
- return p;
-}
-#endif // FEAT_CLIENTSERVER
-
-#if defined(FEAT_CLIENTSERVER) || defined(PROTO)
-/*
- * Replace termcodes such as <CR> and insert as key presses if there is room.
- */
- void
-server_to_input_buf(char_u *str)
-{
- char_u *ptr = NULL;
- char_u *cpo_save = p_cpo;
-
- // Set 'cpoptions' the way we want it.
- // B set - backslashes are *not* treated specially
- // k set - keycodes are *not* reverse-engineered
- // < unset - <Key> sequences *are* interpreted
- // The last but one parameter of replace_termcodes() is TRUE so that the
- // <lt> sequence is recognised - needed for a real backslash.
- p_cpo = (char_u *)"Bk";
- str = replace_termcodes((char_u *)str, &ptr, REPTERM_DO_LT, NULL);
- p_cpo = cpo_save;
-
- if (*ptr != NUL) // trailing CTRL-V results in nothing
- {
- /*
- * Add the string to the input stream.
- * Can't use add_to_input_buf() here, we now have K_SPECIAL bytes.
- *
- * First clear typed characters from the typeahead buffer, there could
- * be half a mapping there. Then append to the existing string, so
- * that multiple commands from a client are concatenated.
- */
- if (typebuf.tb_maplen < typebuf.tb_len)
- del_typebuf(typebuf.tb_len - typebuf.tb_maplen, typebuf.tb_maplen);
- (void)ins_typebuf(str, REMAP_NONE, typebuf.tb_len, TRUE, FALSE);
-
- // Let input_available() know we inserted text in the typeahead
- // buffer.
- typebuf_was_filled = TRUE;
- }
- vim_free((char_u *)ptr);
-}
-
-/*
- * Evaluate an expression that the client sent to a string.
- */
- char_u *
-eval_client_expr_to_string(char_u *expr)
-{
- char_u *res;
- int save_dbl = debug_break_level;
- int save_ro = redir_off;
- funccal_entry_T funccal_entry;
- int did_save_funccal = FALSE;
-
- // Evaluate the expression at the toplevel, don't use variables local to
- // the calling function. Except when in debug mode.
- if (!debug_mode)
- {
- save_funccal(&funccal_entry);
- did_save_funccal = TRUE;
- }
-
- // Disable debugging, otherwise Vim hangs, waiting for "cont" to be
- // typed.
- debug_break_level = -1;
- redir_off = 0;
- // Do not display error message, otherwise Vim hangs, waiting for "cont"
- // to be typed. Do generate errors so that try/catch works.
- ++emsg_silent;
-
- res = eval_to_string(expr, NULL, TRUE);
-
- debug_break_level = save_dbl;
- redir_off = save_ro;
- --emsg_silent;
- if (emsg_silent < 0)
- emsg_silent = 0;
- if (did_save_funccal)
- restore_funccal();
-
- // A client can tell us to redraw, but not to display the cursor, so do
- // that here.
- setcursor();
- out_flush_cursor(FALSE, FALSE);
-
- return res;
-}
-
-/*
- * Evaluate a command or expression sent to ourselves.
- */
- int
-sendToLocalVim(char_u *cmd, int asExpr, char_u **result)
-{
- if (asExpr)
- {
- char_u *ret;
-
- ret = eval_client_expr_to_string(cmd);
- if (result != NULL)
- {
- if (ret == NULL)
- {
- char *err = _(e_invexprmsg);
- size_t len = STRLEN(cmd) + STRLEN(err) + 5;
- char_u *msg;
-
- msg = alloc(len);
- if (msg != NULL)
- vim_snprintf((char *)msg, len, "%s: \"%s\"", err, cmd);
- *result = msg;
- }
- else
- *result = ret;
- }
- else
- vim_free(ret);
- return ret == NULL ? -1 : 0;
- }
- server_to_input_buf(cmd);
- return 0;
-}
-
-/*
- * If conversion is needed, convert "data" from "client_enc" to 'encoding' and
- * return an allocated string. Otherwise return "data".
- * "*tofree" is set to the result when it needs to be freed later.
- */
- char_u *
-serverConvert(
- char_u *client_enc UNUSED,
- char_u *data,
- char_u **tofree)
-{
- char_u *res = data;
-
- *tofree = NULL;
- if (client_enc != NULL && p_enc != NULL)
- {
- vimconv_T vimconv;
-
- vimconv.vc_type = CONV_NONE;
- if (convert_setup(&vimconv, client_enc, p_enc) != FAIL
- && vimconv.vc_type != CONV_NONE)
- {
- res = string_convert(&vimconv, data, NULL);
- if (res == NULL)
- res = data;
- else
- *tofree = res;
- }
- convert_setup(&vimconv, NULL, NULL);
- }
- return res;
-}
-#endif