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Diffstat (limited to 'src/message.c')
| -rw-r--r-- | src/message.c | 3881 |
1 files changed, 0 insertions, 3881 deletions
diff --git a/src/message.c b/src/message.c deleted file mode 100644 index feb1226e6d..0000000000 --- a/src/message.c +++ /dev/null @@ -1,3881 +0,0 @@ -/* - * VIM - Vi IMproved by Bram Moolenaar - * - * Do ":help uganda" in Vim to read copying and usage conditions. - * Do ":help credits" in Vim to see a list of people who contributed. - * See README.txt for an overview of the Vim source code. - */ - -/* - * message.c: functions for displaying messages on the command line - */ - -#define MESSAGE_FILE /* don't include prototype for smsg() */ - -#include <string.h> - -#include "vim.h" -#include "message.h" -#include "charset.h" -#include "eval.h" -#include "ex_eval.h" -#include "fileio.h" -#include "getchar.h" -#include "mbyte.h" -#include "memory.h" -#include "misc1.h" -#include "misc2.h" -#include "keymap.h" -#include "garray.h" -#include "ops.h" -#include "option.h" -#include "normal.h" -#include "screen.h" -#include "term.h" -#include "ui.h" -#include "os/os.h" -#include "os/event.h" - -#if defined(FEAT_FLOAT) -# include <math.h> -#endif - -static int other_sourcing_name(void); -static char_u *get_emsg_source(void); -static char_u *get_emsg_lnum(void); -static void add_msg_hist(char_u *s, int len, int attr); -static void hit_return_msg(void); -static void msg_home_replace_attr(char_u *fname, int attr); -static char_u *screen_puts_mbyte(char_u *s, int l, int attr); -static void msg_puts_attr_len(char_u *str, int maxlen, int attr); -static void msg_puts_display(char_u *str, int maxlen, int attr, - int recurse); -static void msg_scroll_up(void); -static void inc_msg_scrolled(void); -static void store_sb_text(char_u **sb_str, char_u *s, int attr, - int *sb_col, - int finish); -static void t_puts(int *t_col, char_u *t_s, char_u *s, int attr); -static void msg_puts_printf(char_u *str, int maxlen); -static int do_more_prompt(int typed_char); -static void msg_screen_putchar(int c, int attr); -static int msg_check_screen(void); -static void redir_write(char_u *s, int maxlen); - -/// Allocates memory for dialog string & for storing hotkeys -/// -/// Finds the size of memory required for the confirm_msg & for storing hotkeys -/// and then allocates the memory for them. -/// has_hotkey array is also filled-up. -/// -/// @param message Message which will be part of the confirm_msg -/// @param buttons String containing button names -/// @param[out] has_hotkey A element in this array is set to true if -/// corresponding button has a hotkey -/// -/// @return Pointer to memory allocated for storing hotkeys -static char_u * console_dialog_alloc(const char_u *message, - char_u *buttons, - bool has_hotkey[]); - -/// Copies hotkeys & dialog message into the memory allocated for it -/// -/// @param message Message which will be part of the confirm_msg -/// @param buttons String containing button names -/// @param default_button_idx Number of default button -/// @param has_hotkey A element in this array is true if corresponding button -/// has a hotkey -/// @param[out] hotkeys_ptr Pointer to the memory location where hotkeys will be copied -static void copy_hotkeys_and_msg(const char_u *message, char_u *buttons, - int default_button_idx, const bool has_hotkey[], - char_u *hotkeys_ptr); - -static char_u *msg_show_console_dialog(char_u *message, char_u *buttons, - int dfltbutton); -static int confirm_msg_used = FALSE; /* displaying confirm_msg */ -static char_u *confirm_msg = NULL; /* ":confirm" message */ -static char_u *confirm_msg_tail; /* tail of confirm_msg */ - -struct msg_hist { - struct msg_hist *next; - char_u *msg; - int attr; -}; - -static struct msg_hist *first_msg_hist = NULL; -static struct msg_hist *last_msg_hist = NULL; -static int msg_hist_len = 0; - -static FILE *verbose_fd = NULL; -static int verbose_did_open = FALSE; - -/* - * When writing messages to the screen, there are many different situations. - * A number of variables is used to remember the current state: - * msg_didany TRUE when messages were written since the last time the - * user reacted to a prompt. - * Reset: After hitting a key for the hit-return prompt, - * hitting <CR> for the command line or input(). - * Set: When any message is written to the screen. - * msg_didout TRUE when something was written to the current line. - * Reset: When advancing to the next line, when the current - * text can be overwritten. - * Set: When any message is written to the screen. - * msg_nowait No extra delay for the last drawn message. - * Used in normal_cmd() before the mode message is drawn. - * emsg_on_display There was an error message recently. Indicates that there - * should be a delay before redrawing. - * msg_scroll The next message should not overwrite the current one. - * msg_scrolled How many lines the screen has been scrolled (because of - * messages). Used in update_screen() to scroll the screen - * back. Incremented each time the screen scrolls a line. - * msg_scrolled_ign TRUE when msg_scrolled is non-zero and msg_puts_attr() - * writes something without scrolling should not make - * need_wait_return to be set. This is a hack to make ":ts" - * work without an extra prompt. - * lines_left Number of lines available for messages before the - * more-prompt is to be given. -1 when not set. - * need_wait_return TRUE when the hit-return prompt is needed. - * Reset: After giving the hit-return prompt, when the user - * has answered some other prompt. - * Set: When the ruler or typeahead display is overwritten, - * scrolling the screen for some message. - * keep_msg Message to be displayed after redrawing the screen, in - * main_loop(). - * This is an allocated string or NULL when not used. - */ - -/* - * msg(s) - displays the string 's' on the status line - * When terminal not initialized (yet) mch_errmsg(..) is used. - * return TRUE if wait_return not called - */ -int msg(char_u *s) -{ - return msg_attr_keep(s, 0, FALSE); -} - -#if defined(FEAT_EVAL) || defined(FEAT_GUI_GTK) || defined(PROTO) -/* - * Like msg() but keep it silent when 'verbosefile' is set. - */ -int verb_msg(char_u *s) -{ - int n; - - verbose_enter(); - n = msg_attr_keep(s, 0, FALSE); - verbose_leave(); - - return n; -} -#endif - -int msg_attr(char_u *s, int attr) -{ - return msg_attr_keep(s, attr, FALSE); -} - -int -msg_attr_keep ( - char_u *s, - int attr, - int keep /* TRUE: set keep_msg if it doesn't scroll */ -) -{ - static int entered = 0; - int retval; - char_u *buf = NULL; - - if (attr == 0) - set_vim_var_string(VV_STATUSMSG, s, -1); - - /* - * It is possible that displaying a messages causes a problem (e.g., - * when redrawing the window), which causes another message, etc.. To - * break this loop, limit the recursiveness to 3 levels. - */ - if (entered >= 3) - return TRUE; - ++entered; - - /* Add message to history (unless it's a repeated kept message or a - * truncated message) */ - if (s != keep_msg - || (*s != '<' - && last_msg_hist != NULL - && last_msg_hist->msg != NULL - && STRCMP(s, last_msg_hist->msg))) - add_msg_hist(s, -1, attr); - - /* When displaying keep_msg, don't let msg_start() free it, caller must do - * that. */ - if (s == keep_msg) - keep_msg = NULL; - - /* Truncate the message if needed. */ - msg_start(); - buf = msg_strtrunc(s, FALSE); - if (buf != NULL) - s = buf; - - msg_outtrans_attr(s, attr); - msg_clr_eos(); - retval = msg_end(); - - if (keep && retval && vim_strsize(s) < (int)(Rows - cmdline_row - 1) - * Columns + sc_col) - set_keep_msg(s, 0); - - free(buf); - --entered; - return retval; -} - -/* - * Truncate a string such that it can be printed without causing a scroll. - * Returns an allocated string or NULL when no truncating is done. - */ -char_u * -msg_strtrunc ( - char_u *s, - int force /* always truncate */ -) -{ - char_u *buf = NULL; - int len; - int room; - - /* May truncate message to avoid a hit-return prompt */ - if ((!msg_scroll && !need_wait_return && shortmess(SHM_TRUNCALL) - && !exmode_active && msg_silent == 0) || force) { - len = vim_strsize(s); - if (msg_scrolled != 0) - /* Use all the columns. */ - room = (int)(Rows - msg_row) * Columns - 1; - else - /* Use up to 'showcmd' column. */ - room = (int)(Rows - msg_row - 1) * Columns + sc_col - 1; - if (len > room && room > 0) { - if (enc_utf8) - /* may have up to 18 bytes per cell (6 per char, up to two - * composing chars) */ - len = (room + 2) * 18; - else if (enc_dbcs == DBCS_JPNU) - /* may have up to 2 bytes per cell for euc-jp */ - len = (room + 2) * 2; - else - len = room + 2; - buf = alloc(len); - trunc_string(s, buf, room, len); - } - } - return buf; -} - -/* - * Truncate a string "s" to "buf" with cell width "room". - * "s" and "buf" may be equal. - */ -void trunc_string(char_u *s, char_u *buf, int room, int buflen) -{ - int half; - int len; - int e; - int i; - int n; - - room -= 3; - half = room / 2; - len = 0; - - /* First part: Start of the string. */ - for (e = 0; len < half && e < buflen; ++e) { - if (s[e] == NUL) { - /* text fits without truncating! */ - buf[e] = NUL; - return; - } - n = ptr2cells(s + e); - if (len + n >= half) - break; - len += n; - buf[e] = s[e]; - if (has_mbyte) - for (n = (*mb_ptr2len)(s + e); --n > 0; ) { - if (++e == buflen) - break; - buf[e] = s[e]; - } - } - - /* Last part: End of the string. */ - i = e; - if (enc_dbcs != 0) { - /* For DBCS going backwards in a string is slow, but - * computing the cell width isn't too slow: go forward - * until the rest fits. */ - n = vim_strsize(s + i); - while (len + n > room) { - n -= ptr2cells(s + i); - i += (*mb_ptr2len)(s + i); - } - } else if (enc_utf8) { - /* For UTF-8 we can go backwards easily. */ - half = i = (int)STRLEN(s); - for (;; ) { - do - half = half - (*mb_head_off)(s, s + half - 1) - 1; - while (utf_iscomposing(utf_ptr2char(s + half)) && half > 0); - n = ptr2cells(s + half); - if (len + n > room) - break; - len += n; - i = half; - } - } else { - for (i = (int)STRLEN(s); len + (n = ptr2cells(s + i - 1)) <= room; --i) - len += n; - } - - /* Set the middle and copy the last part. */ - if (e + 3 < buflen) { - memmove(buf + e, "...", (size_t)3); - len = (int)STRLEN(s + i) + 1; - if (len >= buflen - e - 3) - len = buflen - e - 3 - 1; - memmove(buf + e + 3, s + i, len); - buf[e + 3 + len - 1] = NUL; - } else { - buf[e - 1] = NUL; /* make sure it is truncated */ - } -} - -/* - * Automatic prototype generation does not understand this function. - * Note: Caller of smgs() and smsg_attr() must check the resulting string is - * shorter than IOSIZE!!! - */ -int vim_snprintf(char *str, size_t str_m, char *fmt, ...); - -int smsg(char_u *s, ...) -{ - va_list arglist; - - va_start(arglist, s); - vim_vsnprintf((char *)IObuff, IOSIZE, (char *)s, arglist, NULL); - va_end(arglist); - return msg(IObuff); -} - -int smsg_attr(int attr, char_u *s, ...) -{ - va_list arglist; - - va_start(arglist, s); - vim_vsnprintf((char *)IObuff, IOSIZE, (char *)s, arglist, NULL); - va_end(arglist); - return msg_attr(IObuff, attr); -} - -/* - * Remember the last sourcing name/lnum used in an error message, so that it - * isn't printed each time when it didn't change. - */ -static int last_sourcing_lnum = 0; -static char_u *last_sourcing_name = NULL; - -/* - * Reset the last used sourcing name/lnum. Makes sure it is displayed again - * for the next error message; - */ -void reset_last_sourcing(void) -{ - free(last_sourcing_name); - last_sourcing_name = NULL; - last_sourcing_lnum = 0; -} - -/* - * Return TRUE if "sourcing_name" differs from "last_sourcing_name". - */ -static int other_sourcing_name(void) -{ - if (sourcing_name != NULL) { - if (last_sourcing_name != NULL) - return STRCMP(sourcing_name, last_sourcing_name) != 0; - return TRUE; - } - return FALSE; -} - -/* - * Get the message about the source, as used for an error message. - * Returns an allocated string with room for one more character. - * Returns NULL when no message is to be given. - */ -static char_u *get_emsg_source(void) -{ - char_u *Buf, *p; - - if (sourcing_name != NULL && other_sourcing_name()) { - p = (char_u *)_("Error detected while processing %s:"); - Buf = alloc((unsigned)(STRLEN(sourcing_name) + STRLEN(p))); - sprintf((char *)Buf, (char *)p, sourcing_name); - return Buf; - } - return NULL; -} - -/* - * Get the message about the source lnum, as used for an error message. - * Returns an allocated string with room for one more character. - * Returns NULL when no message is to be given. - */ -static char_u *get_emsg_lnum(void) -{ - char_u *Buf, *p; - - /* lnum is 0 when executing a command from the command line - * argument, we don't want a line number then */ - if (sourcing_name != NULL - && (other_sourcing_name() || sourcing_lnum != last_sourcing_lnum) - && sourcing_lnum != 0) { - p = (char_u *)_("line %4ld:"); - Buf = alloc((unsigned)(STRLEN(p) + 20)); - sprintf((char *)Buf, (char *)p, (long)sourcing_lnum); - return Buf; - } - return NULL; -} - -/* - * Display name and line number for the source of an error. - * Remember the file name and line number, so that for the next error the info - * is only displayed if it changed. - */ -void msg_source(int attr) -{ - char_u *p; - - ++no_wait_return; - p = get_emsg_source(); - if (p != NULL) { - msg_attr(p, attr); - free(p); - } - p = get_emsg_lnum(); - if (p != NULL) { - msg_attr(p, hl_attr(HLF_N)); - free(p); - last_sourcing_lnum = sourcing_lnum; /* only once for each line */ - } - - /* remember the last sourcing name printed, also when it's empty */ - if (sourcing_name == NULL || other_sourcing_name()) { - free(last_sourcing_name); - if (sourcing_name == NULL) - last_sourcing_name = NULL; - else - last_sourcing_name = vim_strsave(sourcing_name); - } - --no_wait_return; -} - -/* - * Return TRUE if not giving error messages right now: - * If "emsg_off" is set: no error messages at the moment. - * If "msg" is in 'debug': do error message but without side effects. - * If "emsg_skip" is set: never do error messages. - */ -int emsg_not_now(void) -{ - if ((emsg_off > 0 && vim_strchr(p_debug, 'm') == NULL - && vim_strchr(p_debug, 't') == NULL) - || emsg_skip > 0 - ) - return TRUE; - return FALSE; -} - -/* - * emsg() - display an error message - * - * Rings the bell, if appropriate, and calls message() to do the real work - * When terminal not initialized (yet) mch_errmsg(..) is used. - * - * return TRUE if wait_return not called - */ -int emsg(char_u *s) -{ - int attr; - char_u *p; - int ignore = FALSE; - int severe; - - /* Skip this if not giving error messages at the moment. */ - if (emsg_not_now()) - return TRUE; - - called_emsg = TRUE; - ex_exitval = 1; - - /* - * If "emsg_severe" is TRUE: When an error exception is to be thrown, - * prefer this message over previous messages for the same command. - */ - severe = emsg_severe; - emsg_severe = FALSE; - - if (!emsg_off || vim_strchr(p_debug, 't') != NULL) { - /* - * Cause a throw of an error exception if appropriate. Don't display - * the error message in this case. (If no matching catch clause will - * be found, the message will be displayed later on.) "ignore" is set - * when the message should be ignored completely (used for the - * interrupt message). - */ - if (cause_errthrow(s, severe, &ignore) == TRUE) { - if (!ignore) - did_emsg = TRUE; - return TRUE; - } - - /* set "v:errmsg", also when using ":silent! cmd" */ - set_vim_var_string(VV_ERRMSG, s, -1); - - /* - * When using ":silent! cmd" ignore error messages. - * But do write it to the redirection file. - */ - if (emsg_silent != 0) { - msg_start(); - p = get_emsg_source(); - if (p != NULL) { - STRCAT(p, "\n"); - redir_write(p, -1); - free(p); - } - p = get_emsg_lnum(); - if (p != NULL) { - STRCAT(p, "\n"); - redir_write(p, -1); - free(p); - } - redir_write(s, -1); - return TRUE; - } - - /* Reset msg_silent, an error causes messages to be switched back on. */ - msg_silent = 0; - cmd_silent = FALSE; - - if (global_busy) /* break :global command */ - ++global_busy; - - if (p_eb) - beep_flush(); /* also includes flush_buffers() */ - else - flush_buffers(FALSE); /* flush internal buffers */ - did_emsg = TRUE; /* flag for DoOneCmd() */ - } - - emsg_on_display = TRUE; /* remember there is an error message */ - ++msg_scroll; /* don't overwrite a previous message */ - attr = hl_attr(HLF_E); /* set highlight mode for error messages */ - if (msg_scrolled != 0) - need_wait_return = TRUE; /* needed in case emsg() is called after - * wait_return has reset need_wait_return - * and a redraw is expected because - * msg_scrolled is non-zero */ - - /* - * Display name and line number for the source of the error. - */ - msg_source(attr); - - /* - * Display the error message itself. - */ - msg_nowait = FALSE; /* wait for this msg */ - return msg_attr(s, attr); -} - -/* - * Print an error message with one "%s" and one string argument. - */ -int emsg2(char_u *s, char_u *a1) -{ - return emsg3(s, a1, NULL); -} - -/* emsg3() and emsgn() are in misc2.c to avoid warnings for the prototypes. */ - -void emsg_invreg(int name) -{ - EMSG2(_("E354: Invalid register name: '%s'"), transchar(name)); -} - -/* - * Like msg(), but truncate to a single line if p_shm contains 't', or when - * "force" is TRUE. This truncates in another way as for normal messages. - * Careful: The string may be changed by msg_may_trunc()! - * Returns a pointer to the printed message, if wait_return() not called. - */ -char_u *msg_trunc_attr(char_u *s, int force, int attr) -{ - int n; - - /* Add message to history before truncating */ - add_msg_hist(s, -1, attr); - - s = msg_may_trunc(force, s); - - msg_hist_off = TRUE; - n = msg_attr(s, attr); - msg_hist_off = FALSE; - - if (n) - return s; - return NULL; -} - -/* - * Check if message "s" should be truncated at the start (for filenames). - * Return a pointer to where the truncated message starts. - * Note: May change the message by replacing a character with '<'. - */ -char_u *msg_may_trunc(int force, char_u *s) -{ - int n; - int room; - - room = (int)(Rows - cmdline_row - 1) * Columns + sc_col - 1; - if ((force || (shortmess(SHM_TRUNC) && !exmode_active)) - && (n = (int)STRLEN(s) - room) > 0) { - if (has_mbyte) { - int size = vim_strsize(s); - - /* There may be room anyway when there are multibyte chars. */ - if (size <= room) - return s; - - for (n = 0; size >= room; ) { - size -= (*mb_ptr2cells)(s + n); - n += (*mb_ptr2len)(s + n); - } - --n; - } - s += n; - *s = '<'; - } - return s; -} - -static void -add_msg_hist ( - char_u *s, - int len, /* -1 for undetermined length */ - int attr -) -{ - struct msg_hist *p; - - if (msg_hist_off || msg_silent != 0) - return; - - /* Don't let the message history get too big */ - while (msg_hist_len > MAX_MSG_HIST_LEN) - (void)delete_first_msg(); - - /* allocate an entry and add the message at the end of the history */ - p = (struct msg_hist *)alloc((int)sizeof(struct msg_hist)); - if (len < 0) - len = (int)STRLEN(s); - /* remove leading and trailing newlines */ - while (len > 0 && *s == '\n') { - ++s; - --len; - } - while (len > 0 && s[len - 1] == '\n') - --len; - p->msg = vim_strnsave(s, len); - p->next = NULL; - p->attr = attr; - if (last_msg_hist != NULL) - last_msg_hist->next = p; - last_msg_hist = p; - if (first_msg_hist == NULL) - first_msg_hist = last_msg_hist; - ++msg_hist_len; -} - -/* - * Delete the first (oldest) message from the history. - * Returns FAIL if there are no messages. - */ -int delete_first_msg(void) -{ - struct msg_hist *p; - - if (msg_hist_len <= 0) - return FAIL; - p = first_msg_hist; - first_msg_hist = p->next; - if (first_msg_hist == NULL) - last_msg_hist = NULL; /* history is empty */ - free(p->msg); - free(p); - --msg_hist_len; - return OK; -} - -/* - * ":messages" command. - */ -void ex_messages(exarg_T *eap) -{ - struct msg_hist *p; - const char *s; - - msg_hist_off = TRUE; - - s = os_getenv("LANG"); - if (s != NULL && *s != NUL) - msg_attr((char_u *) - _("Messages maintainer: Bram Moolenaar <Bram@vim.org>"), - hl_attr(HLF_T)); - - for (p = first_msg_hist; p != NULL && !got_int; p = p->next) - if (p->msg != NULL) - msg_attr(p->msg, p->attr); - - msg_hist_off = FALSE; -} - -/* - * Call this after prompting the user. This will avoid a hit-return message - * and a delay. - */ -void msg_end_prompt(void) -{ - need_wait_return = FALSE; - emsg_on_display = FALSE; - cmdline_row = msg_row; - msg_col = 0; - msg_clr_eos(); - lines_left = -1; -} - -/* - * wait for the user to hit a key (normally a return) - * if 'redraw' is TRUE, clear and redraw the screen - * if 'redraw' is FALSE, just redraw the screen - * if 'redraw' is -1, don't redraw at all - */ -void wait_return(int redraw) -{ - int c; - int oldState; - int tmpState; - int had_got_int; - int save_Recording; - FILE *save_scriptout; - - if (redraw == TRUE) - must_redraw = CLEAR; - - /* If using ":silent cmd", don't wait for a return. Also don't set - * need_wait_return to do it later. */ - if (msg_silent != 0) - return; - - /* - * When inside vgetc(), we can't wait for a typed character at all. - * With the global command (and some others) we only need one return at - * the end. Adjust cmdline_row to avoid the next message overwriting the - * last one. - */ - if (vgetc_busy > 0) - return; - need_wait_return = TRUE; - if (no_wait_return) { - if (!exmode_active) - cmdline_row = msg_row; - return; - } - - redir_off = TRUE; /* don't redirect this message */ - oldState = State; - if (quit_more) { - c = CAR; /* just pretend CR was hit */ - quit_more = FALSE; - got_int = FALSE; - } else if (exmode_active) { - MSG_PUTS(" "); /* make sure the cursor is on the right line */ - c = CAR; /* no need for a return in ex mode */ - got_int = FALSE; - } else { - /* Make sure the hit-return prompt is on screen when 'guioptions' was - * just changed. */ - screenalloc(FALSE); - - State = HITRETURN; - setmouse(); -#ifdef USE_ON_FLY_SCROLL - dont_scroll = TRUE; /* disallow scrolling here */ -#endif - /* Avoid the sequence that the user types ":" at the hit-return prompt - * to start an Ex command, but the file-changed dialog gets in the - * way. */ - if (need_check_timestamps) - check_timestamps(FALSE); - - hit_return_msg(); - - do { - /* Remember "got_int", if it is set vgetc() probably returns a - * CTRL-C, but we need to loop then. */ - had_got_int = got_int; - - /* Don't do mappings here, we put the character back in the - * typeahead buffer. */ - ++no_mapping; - ++allow_keys; - - /* Temporarily disable Recording. If Recording is active, the - * character will be recorded later, since it will be added to the - * typebuf after the loop */ - save_Recording = Recording; - save_scriptout = scriptout; - Recording = FALSE; - scriptout = NULL; - c = safe_vgetc(); - if (had_got_int && !global_busy) - got_int = FALSE; - --no_mapping; - --allow_keys; - Recording = save_Recording; - scriptout = save_scriptout; - - - /* - * Allow scrolling back in the messages. - * Also accept scroll-down commands when messages fill the screen, - * to avoid that typing one 'j' too many makes the messages - * disappear. - */ - if (p_more && !p_cp) { - if (c == 'b' || c == 'k' || c == 'u' || c == 'g' - || c == K_UP || c == K_PAGEUP) { - if (msg_scrolled > Rows) - /* scroll back to show older messages */ - do_more_prompt(c); - else { - msg_didout = FALSE; - c = K_IGNORE; - msg_col = - cmdmsg_rl ? Columns - 1 : - 0; - } - if (quit_more) { - c = CAR; /* just pretend CR was hit */ - quit_more = FALSE; - got_int = FALSE; - } else if (c != K_IGNORE) { - c = K_IGNORE; - hit_return_msg(); - } - } else if (msg_scrolled > Rows - 2 - && (c == 'j' || c == 'd' || c == 'f' - || c == K_DOWN || c == K_PAGEDOWN)) - c = K_IGNORE; - } - } while ((had_got_int && c == Ctrl_C) - || c == K_IGNORE - || c == K_LEFTDRAG || c == K_LEFTRELEASE - || c == K_MIDDLEDRAG || c == K_MIDDLERELEASE - || c == K_RIGHTDRAG || c == K_RIGHTRELEASE - || c == K_MOUSELEFT || c == K_MOUSERIGHT - || c == K_MOUSEDOWN || c == K_MOUSEUP - || (!mouse_has(MOUSE_RETURN) - && mouse_row < msg_row - && (c == K_LEFTMOUSE - || c == K_MIDDLEMOUSE - || c == K_RIGHTMOUSE - || c == K_X1MOUSE - || c == K_X2MOUSE)) - ); - ui_breakcheck(); - /* - * Avoid that the mouse-up event causes visual mode to start. - */ - if (c == K_LEFTMOUSE || c == K_MIDDLEMOUSE || c == K_RIGHTMOUSE - || c == K_X1MOUSE || c == K_X2MOUSE) - (void)jump_to_mouse(MOUSE_SETPOS, NULL, 0); - else if (vim_strchr((char_u *)"\r\n ", c) == NULL && c != Ctrl_C) { - /* Put the character back in the typeahead buffer. Don't use the - * stuff buffer, because lmaps wouldn't work. */ - ins_char_typebuf(c); - do_redraw = TRUE; /* need a redraw even though there is - typeahead */ - } - } - redir_off = FALSE; - - /* - * If the user hits ':', '?' or '/' we get a command line from the next - * line. - */ - if (c == ':' || c == '?' || c == '/') { - if (!exmode_active) - cmdline_row = msg_row; - skip_redraw = TRUE; /* skip redraw once */ - do_redraw = FALSE; - } - - /* - * If the window size changed set_shellsize() will redraw the screen. - * Otherwise the screen is only redrawn if 'redraw' is set and no ':' - * typed. - */ - tmpState = State; - State = oldState; /* restore State before set_shellsize */ - setmouse(); - msg_check(); - -#if defined(UNIX) - /* - * When switching screens, we need to output an extra newline on exit. - */ - if (swapping_screen() && !termcap_active) - newline_on_exit = TRUE; -#endif - - need_wait_return = FALSE; - did_wait_return = TRUE; - emsg_on_display = FALSE; /* can delete error message now */ - lines_left = -1; /* reset lines_left at next msg_start() */ - reset_last_sourcing(); - if (keep_msg != NULL && vim_strsize(keep_msg) >= - (Rows - cmdline_row - 1) * Columns + sc_col) { - free(keep_msg); - keep_msg = NULL; /* don't redisplay message, it's too long */ - } - - if (tmpState == SETWSIZE) { /* got resize event while in vgetc() */ - starttermcap(); /* start termcap before redrawing */ - shell_resized(); - } else if (!skip_redraw - && (redraw == TRUE || (msg_scrolled != 0 && redraw != -1))) { - starttermcap(); /* start termcap before redrawing */ - redraw_later(VALID); - } -} - -/* - * Write the hit-return prompt. - */ -static void hit_return_msg(void) -{ - int save_p_more = p_more; - - p_more = FALSE; /* don't want see this message when scrolling back */ - if (msg_didout) /* start on a new line */ - msg_putchar('\n'); - if (got_int) - MSG_PUTS(_("Interrupt: ")); - - MSG_PUTS_ATTR(_("Press ENTER or type command to continue"), hl_attr(HLF_R)); - if (!msg_use_printf()) - msg_clr_eos(); - p_more = save_p_more; -} - -/* - * Set "keep_msg" to "s". Free the old value and check for NULL pointer. - */ -void set_keep_msg(char_u *s, int attr) -{ - free(keep_msg); - if (s != NULL && msg_silent == 0) - keep_msg = vim_strsave(s); - else - keep_msg = NULL; - keep_msg_more = FALSE; - keep_msg_attr = attr; -} - -/* - * If there currently is a message being displayed, set "keep_msg" to it, so - * that it will be displayed again after redraw. - */ -void set_keep_msg_from_hist(void) -{ - if (keep_msg == NULL && last_msg_hist != NULL && msg_scrolled == 0 - && (State & NORMAL)) - set_keep_msg(last_msg_hist->msg, last_msg_hist->attr); -} - -/* - * Prepare for outputting characters in the command line. - */ -void msg_start(void) -{ - int did_return = FALSE; - - if (!msg_silent) { - free(keep_msg); - keep_msg = NULL; /* don't display old message now */ - } - - if (need_clr_eos) { - /* Halfway an ":echo" command and getting an (error) message: clear - * any text from the command. */ - need_clr_eos = FALSE; - msg_clr_eos(); - } - - if (!msg_scroll && full_screen) { /* overwrite last message */ - msg_row = cmdline_row; - msg_col = - cmdmsg_rl ? Columns - 1 : - 0; - } else if (msg_didout) { /* start message on next line */ - msg_putchar('\n'); - did_return = TRUE; - if (exmode_active != EXMODE_NORMAL) - cmdline_row = msg_row; - } - if (!msg_didany || lines_left < 0) - msg_starthere(); - if (msg_silent == 0) { - msg_didout = FALSE; /* no output on current line yet */ - cursor_off(); - } - - /* when redirecting, may need to start a new line. */ - if (!did_return) - redir_write((char_u *)"\n", -1); -} - -/* - * Note that the current msg position is where messages start. - */ -void msg_starthere(void) -{ - lines_left = cmdline_row; - msg_didany = FALSE; -} - -void msg_putchar(int c) -{ - msg_putchar_attr(c, 0); -} - -void msg_putchar_attr(int c, int attr) -{ - char_u buf[MB_MAXBYTES + 1]; - - if (IS_SPECIAL(c)) { - buf[0] = K_SPECIAL; - buf[1] = K_SECOND(c); - buf[2] = K_THIRD(c); - buf[3] = NUL; - } else { - buf[(*mb_char2bytes)(c, buf)] = NUL; - } - msg_puts_attr(buf, attr); -} - -void msg_outnum(long n) -{ - char_u buf[20]; - - sprintf((char *)buf, "%" PRId64, (int64_t)n); - msg_puts(buf); -} - -void msg_home_replace(char_u *fname) -{ - msg_home_replace_attr(fname, 0); -} - -void msg_home_replace_hl(char_u *fname) -{ - msg_home_replace_attr(fname, hl_attr(HLF_D)); -} - -static void msg_home_replace_attr(char_u *fname, int attr) -{ - char_u *name; - - name = home_replace_save(NULL, fname); - if (name != NULL) - msg_outtrans_attr(name, attr); - free(name); -} - -/* - * Output 'len' characters in 'str' (including NULs) with translation - * if 'len' is -1, output upto a NUL character. - * Use attributes 'attr'. - * Return the number of characters it takes on the screen. - */ -int msg_outtrans(char_u *str) -{ - return msg_outtrans_attr(str, 0); -} - -int msg_outtrans_attr(char_u *str, int attr) -{ - return msg_outtrans_len_attr(str, (int)STRLEN(str), attr); -} - -int msg_outtrans_len(char_u *str, int len) -{ - return msg_outtrans_len_attr(str, len, 0); -} - -/* - * Output one character at "p". Return pointer to the next character. - * Handles multi-byte characters. - */ -char_u *msg_outtrans_one(char_u *p, int attr) -{ - int l; - - if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) { - msg_outtrans_len_attr(p, l, attr); - return p + l; - } - msg_puts_attr(transchar_byte(*p), attr); - return p + 1; -} - -int msg_outtrans_len_attr(char_u *msgstr, int len, int attr) -{ - int retval = 0; - char_u *str = msgstr; - char_u *plain_start = msgstr; - char_u *s; - int mb_l; - int c; - - /* if MSG_HIST flag set, add message to history */ - if (attr & MSG_HIST) { - add_msg_hist(str, len, attr); - attr &= ~MSG_HIST; - } - - /* If the string starts with a composing character first draw a space on - * which the composing char can be drawn. */ - if (enc_utf8 && utf_iscomposing(utf_ptr2char(msgstr))) - msg_puts_attr((char_u *)" ", attr); - - /* - * Go over the string. Special characters are translated and printed. - * Normal characters are printed several at a time. - */ - while (--len >= 0) { - if (enc_utf8) - /* Don't include composing chars after the end. */ - mb_l = utfc_ptr2len_len(str, len + 1); - else if (has_mbyte) - mb_l = (*mb_ptr2len)(str); - else - mb_l = 1; - if (has_mbyte && mb_l > 1) { - c = (*mb_ptr2char)(str); - if (vim_isprintc(c)) - /* printable multi-byte char: count the cells. */ - retval += (*mb_ptr2cells)(str); - else { - /* unprintable multi-byte char: print the printable chars so - * far and the translation of the unprintable char. */ - if (str > plain_start) - msg_puts_attr_len(plain_start, (int)(str - plain_start), - attr); - plain_start = str + mb_l; - msg_puts_attr(transchar(c), attr == 0 ? hl_attr(HLF_8) : attr); - retval += char2cells(c); - } - len -= mb_l - 1; - str += mb_l; - } else { - s = transchar_byte(*str); - if (s[1] != NUL) { - /* unprintable char: print the printable chars so far and the - * translation of the unprintable char. */ - if (str > plain_start) - msg_puts_attr_len(plain_start, (int)(str - plain_start), - attr); - plain_start = str + 1; - msg_puts_attr(s, attr == 0 ? hl_attr(HLF_8) : attr); - retval += (int)STRLEN(s); - } else - ++retval; - ++str; - } - } - - if (str > plain_start) - /* print the printable chars at the end */ - msg_puts_attr_len(plain_start, (int)(str - plain_start), attr); - - return retval; -} - -void msg_make(char_u *arg) -{ - int i; - static char_u *str = (char_u *)"eeffoc", *rs = (char_u *)"Plon#dqg#vxjduB"; - - arg = skipwhite(arg); - for (i = 5; *arg && i >= 0; --i) - if (*arg++ != str[i]) - break; - if (i < 0) { - msg_putchar('\n'); - for (i = 0; rs[i]; ++i) - msg_putchar(rs[i] - 3); - } -} - -/* - * Output the string 'str' upto a NUL character. - * Return the number of characters it takes on the screen. - * - * If K_SPECIAL is encountered, then it is taken in conjunction with the - * following character and shown as <F1>, <S-Up> etc. Any other character - * which is not printable shown in <> form. - * If 'from' is TRUE (lhs of a mapping), a space is shown as <Space>. - * If a character is displayed in one of these special ways, is also - * highlighted (its highlight name is '8' in the p_hl variable). - * Otherwise characters are not highlighted. - * This function is used to show mappings, where we want to see how to type - * the character/string -- webb - */ -int -msg_outtrans_special ( - char_u *strstart, - int from /* TRUE for lhs of a mapping */ -) -{ - char_u *str = strstart; - int retval = 0; - char_u *string; - int attr; - int len; - - attr = hl_attr(HLF_8); - while (*str != NUL) { - /* Leading and trailing spaces need to be displayed in <> form. */ - if ((str == strstart || str[1] == NUL) && *str == ' ') { - string = (char_u *)"<Space>"; - ++str; - } else - string = str2special(&str, from); - len = vim_strsize(string); - /* Highlight special keys */ - msg_puts_attr(string, len > 1 - && (*mb_ptr2len)(string) <= 1 - ? attr : 0); - retval += len; - } - return retval; -} - -/* - * Return the lhs or rhs of a mapping, with the key codes turned into printable - * strings, in an allocated string. - */ -char_u * -str2special_save ( - char_u *str, - int is_lhs /* TRUE for lhs, FALSE for rhs */ -) -{ - garray_T ga; - char_u *p = str; - - ga_init(&ga, 1, 40); - while (*p != NUL) - ga_concat(&ga, str2special(&p, is_lhs)); - ga_append(&ga, NUL); - return (char_u *)ga.ga_data; -} - -/* - * Return the printable string for the key codes at "*sp". - * Used for translating the lhs or rhs of a mapping to printable chars. - * Advances "sp" to the next code. - */ -char_u * -str2special ( - char_u **sp, - int from /* TRUE for lhs of mapping */ -) -{ - int c; - static char_u buf[7]; - char_u *str = *sp; - int modifiers = 0; - int special = FALSE; - - if (has_mbyte) { - char_u *p; - - /* Try to un-escape a multi-byte character. Return the un-escaped - * string if it is a multi-byte character. */ - p = mb_unescape(sp); - if (p != NULL) - return p; - } - - c = *str; - if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) { - if (str[1] == KS_MODIFIER) { - modifiers = str[2]; - str += 3; - c = *str; - } - if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) { - c = TO_SPECIAL(str[1], str[2]); - str += 2; - if (c == KS_ZERO) /* display <Nul> as ^@ or <Nul> */ - c = NUL; - } - if (IS_SPECIAL(c) || modifiers) /* special key */ - special = TRUE; - } - - if (has_mbyte && !IS_SPECIAL(c)) { - int len = (*mb_ptr2len)(str); - - /* For multi-byte characters check for an illegal byte. */ - if (has_mbyte && MB_BYTE2LEN(*str) > len) { - transchar_nonprint(buf, c); - *sp = str + 1; - return buf; - } - /* Since 'special' is TRUE the multi-byte character 'c' will be - * processed by get_special_key_name() */ - c = (*mb_ptr2char)(str); - *sp = str + len; - } else - *sp = str + 1; - - /* Make unprintable characters in <> form, also <M-Space> and <Tab>. - * Use <Space> only for lhs of a mapping. */ - if (special || char2cells(c) > 1 || (from && c == ' ')) - return get_special_key_name(c, modifiers); - buf[0] = c; - buf[1] = NUL; - return buf; -} - -/* - * Translate a key sequence into special key names. - */ -void str2specialbuf(char_u *sp, char_u *buf, int len) -{ - char_u *s; - - *buf = NUL; - while (*sp) { - s = str2special(&sp, FALSE); - if ((int)(STRLEN(s) + STRLEN(buf)) < len) - STRCAT(buf, s); - } -} - -/* - * print line for :print or :list command - */ -void msg_prt_line(char_u *s, int list) -{ - int c; - int col = 0; - int n_extra = 0; - int c_extra = 0; - char_u *p_extra = NULL; /* init to make SASC shut up */ - int n; - int attr = 0; - char_u *trail = NULL; - int l; - char_u buf[MB_MAXBYTES + 1]; - - if (curwin->w_p_list) - list = TRUE; - - /* find start of trailing whitespace */ - if (list && lcs_trail) { - trail = s + STRLEN(s); - while (trail > s && vim_iswhite(trail[-1])) - --trail; - } - - /* output a space for an empty line, otherwise the line will be - * overwritten */ - if (*s == NUL && !(list && lcs_eol != NUL)) - msg_putchar(' '); - - while (!got_int) { - if (n_extra > 0) { - --n_extra; - if (c_extra) - c = c_extra; - else - c = *p_extra++; - } else if (has_mbyte && (l = (*mb_ptr2len)(s)) > 1) { - col += (*mb_ptr2cells)(s); - if (lcs_nbsp != NUL && list && mb_ptr2char(s) == 160) { - mb_char2bytes(lcs_nbsp, buf); - buf[(*mb_ptr2len)(buf)] = NUL; - } else { - memmove(buf, s, (size_t)l); - buf[l] = NUL; - } - msg_puts(buf); - s += l; - continue; - } else { - attr = 0; - c = *s++; - if (c == TAB && (!list || lcs_tab1)) { - /* tab amount depends on current column */ - n_extra = curbuf->b_p_ts - col % curbuf->b_p_ts - 1; - if (!list) { - c = ' '; - c_extra = ' '; - } else { - c = lcs_tab1; - c_extra = lcs_tab2; - attr = hl_attr(HLF_8); - } - } else if (c == 160 && list && lcs_nbsp != NUL) { - c = lcs_nbsp; - attr = hl_attr(HLF_8); - } else if (c == NUL && list && lcs_eol != NUL) { - p_extra = (char_u *)""; - c_extra = NUL; - n_extra = 1; - c = lcs_eol; - attr = hl_attr(HLF_AT); - --s; - } else if (c != NUL && (n = byte2cells(c)) > 1) { - n_extra = n - 1; - p_extra = transchar_byte(c); - c_extra = NUL; - c = *p_extra++; - /* Use special coloring to be able to distinguish <hex> from - * the same in plain text. */ - attr = hl_attr(HLF_8); - } else if (c == ' ' && trail != NULL && s > trail) { - c = lcs_trail; - attr = hl_attr(HLF_8); - } - } - - if (c == NUL) - break; - - msg_putchar_attr(c, attr); - col++; - } - msg_clr_eos(); -} - -/* - * Use screen_puts() to output one multi-byte character. - * Return the pointer "s" advanced to the next character. - */ -static char_u *screen_puts_mbyte(char_u *s, int l, int attr) -{ - int cw; - - msg_didout = TRUE; /* remember that line is not empty */ - cw = (*mb_ptr2cells)(s); - if (cw > 1 && ( - cmdmsg_rl ? msg_col <= 1 : - msg_col == Columns - 1)) { - /* Doesn't fit, print a highlighted '>' to fill it up. */ - msg_screen_putchar('>', hl_attr(HLF_AT)); - return s; - } - - screen_puts_len(s, l, msg_row, msg_col, attr); - if (cmdmsg_rl) { - msg_col -= cw; - if (msg_col == 0) { - msg_col = Columns; - ++msg_row; - } - } else { - msg_col += cw; - if (msg_col >= Columns) { - msg_col = 0; - ++msg_row; - } - } - return s + l; -} - -/* - * Output a string to the screen at position msg_row, msg_col. - * Update msg_row and msg_col for the next message. - */ -void msg_puts(char_u *s) -{ - msg_puts_attr(s, 0); -} - -void msg_puts_title(char_u *s) -{ - msg_puts_attr(s, hl_attr(HLF_T)); -} - -/* - * Show a message in such a way that it always fits in the line. Cut out a - * part in the middle and replace it with "..." when necessary. - * Does not handle multi-byte characters! - */ -void msg_puts_long_attr(char_u *longstr, int attr) -{ - msg_puts_long_len_attr(longstr, (int)STRLEN(longstr), attr); -} - -void msg_puts_long_len_attr(char_u *longstr, int len, int attr) -{ - int slen = len; - int room; - - room = Columns - msg_col; - if (len > room && room >= 20) { - slen = (room - 3) / 2; - msg_outtrans_len_attr(longstr, slen, attr); - msg_puts_attr((char_u *)"...", hl_attr(HLF_8)); - } - msg_outtrans_len_attr(longstr + len - slen, slen, attr); -} - -/* - * Basic function for writing a message with highlight attributes. - */ -void msg_puts_attr(char_u *s, int attr) -{ - msg_puts_attr_len(s, -1, attr); -} - -/* - * Like msg_puts_attr(), but with a maximum length "maxlen" (in bytes). - * When "maxlen" is -1 there is no maximum length. - * When "maxlen" is >= 0 the message is not put in the history. - */ -static void msg_puts_attr_len(char_u *str, int maxlen, int attr) -{ - /* - * If redirection is on, also write to the redirection file. - */ - redir_write(str, maxlen); - - /* - * Don't print anything when using ":silent cmd". - */ - if (msg_silent != 0) - return; - - /* if MSG_HIST flag set, add message to history */ - if ((attr & MSG_HIST) && maxlen < 0) { - add_msg_hist(str, -1, attr); - attr &= ~MSG_HIST; - } - - /* - * When writing something to the screen after it has scrolled, requires a - * wait-return prompt later. Needed when scrolling, resetting - * need_wait_return after some prompt, and then outputting something - * without scrolling - */ - if (msg_scrolled != 0 && !msg_scrolled_ign) - need_wait_return = TRUE; - msg_didany = TRUE; /* remember that something was outputted */ - - /* - * If there is no valid screen, use fprintf so we can see error messages. - * If termcap is not active, we may be writing in an alternate console - * window, cursor positioning may not work correctly (window size may be - * different, e.g. for Win32 console) or we just don't know where the - * cursor is. - */ - if (msg_use_printf()) - msg_puts_printf(str, maxlen); - else - msg_puts_display(str, maxlen, attr, FALSE); -} - -/* - * The display part of msg_puts_attr_len(). - * May be called recursively to display scroll-back text. - */ -static void msg_puts_display(char_u *str, int maxlen, int attr, int recurse) -{ - char_u *s = str; - char_u *t_s = str; /* string from "t_s" to "s" is still todo */ - int t_col = 0; /* screen cells todo, 0 when "t_s" not used */ - int l; - int cw; - char_u *sb_str = str; - int sb_col = msg_col; - int wrap; - int did_last_char; - - did_wait_return = FALSE; - while ((maxlen < 0 || (int)(s - str) < maxlen) && *s != NUL) { - /* - * We are at the end of the screen line when: - * - When outputting a newline. - * - When outputting a character in the last column. - */ - if (!recurse && msg_row >= Rows - 1 && (*s == '\n' || ( - cmdmsg_rl - ? ( - msg_col <= 1 - || (*s == TAB && msg_col <= 7) - || (has_mbyte && - (*mb_ptr2cells)(s) > 1 && - msg_col <= 2) - ) - : - (msg_col + t_col >= Columns - 1 - || (*s == TAB && msg_col + - t_col >= ((Columns - 1) & ~7)) - || (has_mbyte && - (*mb_ptr2cells)(s) > 1 - && msg_col + t_col >= - Columns - 2) - )))) { - /* - * The screen is scrolled up when at the last row (some terminals - * scroll automatically, some don't. To avoid problems we scroll - * ourselves). - */ - if (t_col > 0) - /* output postponed text */ - t_puts(&t_col, t_s, s, attr); - - /* When no more prompt and no more room, truncate here */ - if (msg_no_more && lines_left == 0) - break; - - /* Scroll the screen up one line. */ - msg_scroll_up(); - - msg_row = Rows - 2; - if (msg_col >= Columns) /* can happen after screen resize */ - msg_col = Columns - 1; - - /* Display char in last column before showing more-prompt. */ - if (*s >= ' ' - && !cmdmsg_rl - ) { - if (has_mbyte) { - if (enc_utf8 && maxlen >= 0) - /* avoid including composing chars after the end */ - l = utfc_ptr2len_len(s, (int)((str + maxlen) - s)); - else - l = (*mb_ptr2len)(s); - s = screen_puts_mbyte(s, l, attr); - } else - msg_screen_putchar(*s++, attr); - did_last_char = TRUE; - } else - did_last_char = FALSE; - - if (p_more) - /* store text for scrolling back */ - store_sb_text(&sb_str, s, attr, &sb_col, TRUE); - - inc_msg_scrolled(); - need_wait_return = TRUE; /* may need wait_return in main() */ - if (must_redraw < VALID) - must_redraw = VALID; - redraw_cmdline = TRUE; - if (cmdline_row > 0 && !exmode_active) - --cmdline_row; - - /* - * If screen is completely filled and 'more' is set then wait - * for a character. - */ - if (lines_left > 0) - --lines_left; - if (p_more && lines_left == 0 && State != HITRETURN - && !msg_no_more && !exmode_active) { - if (do_more_prompt(NUL)) - s = confirm_msg_tail; - if (quit_more) - return; - } - - /* When we displayed a char in last column need to check if there - * is still more. */ - if (did_last_char) - continue; - } - - wrap = *s == '\n' - || msg_col + t_col >= Columns - || (has_mbyte && (*mb_ptr2cells)(s) > 1 - && msg_col + t_col >= Columns - 1) - ; - if (t_col > 0 && (wrap || *s == '\r' || *s == '\b' - || *s == '\t' || *s == BELL)) - /* output any postponed text */ - t_puts(&t_col, t_s, s, attr); - - if (wrap && p_more && !recurse) - /* store text for scrolling back */ - store_sb_text(&sb_str, s, attr, &sb_col, TRUE); - - if (*s == '\n') { /* go to next line */ - msg_didout = FALSE; /* remember that line is empty */ - if (cmdmsg_rl) - msg_col = Columns - 1; - else - msg_col = 0; - if (++msg_row >= Rows) /* safety check */ - msg_row = Rows - 1; - } else if (*s == '\r') { /* go to column 0 */ - msg_col = 0; - } else if (*s == '\b') { /* go to previous char */ - if (msg_col) - --msg_col; - } else if (*s == TAB) { /* translate Tab into spaces */ - do - msg_screen_putchar(' ', attr); - while (msg_col & 7); - } else if (*s == BELL) /* beep (from ":sh") */ - vim_beep(); - else { - if (has_mbyte) { - cw = (*mb_ptr2cells)(s); - if (enc_utf8 && maxlen >= 0) - /* avoid including composing chars after the end */ - l = utfc_ptr2len_len(s, (int)((str + maxlen) - s)); - else - l = (*mb_ptr2len)(s); - } else { - cw = 1; - l = 1; - } - /* When drawing from right to left or when a double-wide character - * doesn't fit, draw a single character here. Otherwise collect - * characters and draw them all at once later. */ - if ( - cmdmsg_rl - || - (cw > 1 && msg_col + t_col >= Columns - 1) - ) { - if (l > 1) - s = screen_puts_mbyte(s, l, attr) - 1; - else - msg_screen_putchar(*s, attr); - } else { - /* postpone this character until later */ - if (t_col == 0) - t_s = s; - t_col += cw; - s += l - 1; - } - } - ++s; - } - - /* output any postponed text */ - if (t_col > 0) - t_puts(&t_col, t_s, s, attr); - if (p_more && !recurse) - store_sb_text(&sb_str, s, attr, &sb_col, FALSE); - - msg_check(); -} - -/* - * Scroll the screen up one line for displaying the next message line. - */ -static void msg_scroll_up(void) -{ - /* scrolling up always works */ - screen_del_lines(0, 0, 1, (int)Rows, TRUE, NULL); - - if (!can_clear((char_u *)" ")) { - /* Scrolling up doesn't result in the right background. Set the - * background here. It's not efficient, but avoids that we have to do - * it all over the code. */ - screen_fill((int)Rows - 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); - - /* Also clear the last char of the last but one line if it was not - * cleared before to avoid a scroll-up. */ - if (ScreenAttrs[LineOffset[Rows - 2] + Columns - 1] == (sattr_T)-1) - screen_fill((int)Rows - 2, (int)Rows - 1, - (int)Columns - 1, (int)Columns, ' ', ' ', 0); - } -} - -/* - * Increment "msg_scrolled". - */ -static void inc_msg_scrolled(void) -{ - if (*get_vim_var_str(VV_SCROLLSTART) == NUL) { - char_u *p = sourcing_name; - char_u *tofree = NULL; - int len; - - /* v:scrollstart is empty, set it to the script/function name and line - * number */ - if (p == NULL) - p = (char_u *)_("Unknown"); - else { - len = (int)STRLEN(p) + 40; - tofree = alloc(len); - vim_snprintf((char *)tofree, len, _("%s line %" PRId64), - p, (int64_t)sourcing_lnum); - p = tofree; - } - set_vim_var_string(VV_SCROLLSTART, p, -1); - free(tofree); - } - ++msg_scrolled; -} - -/* - * To be able to scroll back at the "more" and "hit-enter" prompts we need to - * store the displayed text and remember where screen lines start. - */ -typedef struct msgchunk_S msgchunk_T; -struct msgchunk_S { - msgchunk_T *sb_next; - msgchunk_T *sb_prev; - char sb_eol; /* TRUE when line ends after this text */ - int sb_msg_col; /* column in which text starts */ - int sb_attr; /* text attributes */ - char_u sb_text[1]; /* text to be displayed, actually longer */ -}; - -static msgchunk_T *last_msgchunk = NULL; /* last displayed text */ - -static msgchunk_T *msg_sb_start(msgchunk_T *mps); -static msgchunk_T *disp_sb_line(int row, msgchunk_T *smp); - -static int do_clear_sb_text = FALSE; /* clear text on next msg */ - -/* - * Store part of a printed message for displaying when scrolling back. - */ -static void -store_sb_text ( - char_u **sb_str, /* start of string */ - char_u *s, /* just after string */ - int attr, - int *sb_col, - int finish /* line ends */ -) -{ - msgchunk_T *mp; - - if (do_clear_sb_text) { - clear_sb_text(); - do_clear_sb_text = FALSE; - } - - if (s > *sb_str) { - mp = (msgchunk_T *)alloc((int)(sizeof(msgchunk_T) + (s - *sb_str))); - mp->sb_eol = finish; - mp->sb_msg_col = *sb_col; - mp->sb_attr = attr; - vim_strncpy(mp->sb_text, *sb_str, s - *sb_str); - - if (last_msgchunk == NULL) { - last_msgchunk = mp; - mp->sb_prev = NULL; - } else { - mp->sb_prev = last_msgchunk; - last_msgchunk->sb_next = mp; - last_msgchunk = mp; - } - mp->sb_next = NULL; - } else if (finish && last_msgchunk != NULL) - last_msgchunk->sb_eol = TRUE; - - *sb_str = s; - *sb_col = 0; -} - -/* - * Finished showing messages, clear the scroll-back text on the next message. - */ -void may_clear_sb_text(void) -{ - do_clear_sb_text = TRUE; -} - -/* - * Clear any text remembered for scrolling back. - * Called when redrawing the screen. - */ -void clear_sb_text(void) -{ - msgchunk_T *mp; - - while (last_msgchunk != NULL) { - mp = last_msgchunk->sb_prev; - free(last_msgchunk); - last_msgchunk = mp; - } -} - -/* - * "g<" command. - */ -void show_sb_text(void) -{ - msgchunk_T *mp; - - /* Only show something if there is more than one line, otherwise it looks - * weird, typing a command without output results in one line. */ - mp = msg_sb_start(last_msgchunk); - if (mp == NULL || mp->sb_prev == NULL) - vim_beep(); - else { - do_more_prompt('G'); - wait_return(FALSE); - } -} - -/* - * Move to the start of screen line in already displayed text. - */ -static msgchunk_T *msg_sb_start(msgchunk_T *mps) -{ - msgchunk_T *mp = mps; - - while (mp != NULL && mp->sb_prev != NULL && !mp->sb_prev->sb_eol) - mp = mp->sb_prev; - return mp; -} - -/* - * Mark the last message chunk as finishing the line. - */ -void msg_sb_eol(void) -{ - if (last_msgchunk != NULL) - last_msgchunk->sb_eol = TRUE; -} - -/* - * Display a screen line from previously displayed text at row "row". - * Returns a pointer to the text for the next line (can be NULL). - */ -static msgchunk_T *disp_sb_line(int row, msgchunk_T *smp) -{ - msgchunk_T *mp = smp; - char_u *p; - - for (;; ) { - msg_row = row; - msg_col = mp->sb_msg_col; - p = mp->sb_text; - if (*p == '\n') /* don't display the line break */ - ++p; - msg_puts_display(p, -1, mp->sb_attr, TRUE); - if (mp->sb_eol || mp->sb_next == NULL) - break; - mp = mp->sb_next; - } - return mp->sb_next; -} - -/* - * Output any postponed text for msg_puts_attr_len(). - */ -static void t_puts(int *t_col, char_u *t_s, char_u *s, int attr) -{ - /* output postponed text */ - msg_didout = TRUE; /* remember that line is not empty */ - screen_puts_len(t_s, (int)(s - t_s), msg_row, msg_col, attr); - msg_col += *t_col; - *t_col = 0; - /* If the string starts with a composing character don't increment the - * column position for it. */ - if (enc_utf8 && utf_iscomposing(utf_ptr2char(t_s))) - --msg_col; - if (msg_col >= Columns) { - msg_col = 0; - ++msg_row; - } -} - -/* - * Returns TRUE when messages should be printed with mch_errmsg(). - * This is used when there is no valid screen, so we can see error messages. - * If termcap is not active, we may be writing in an alternate console - * window, cursor positioning may not work correctly (window size may be - * different, e.g. for Win32 console) or we just don't know where the - * cursor is. - */ -int msg_use_printf(void) -{ - return !msg_check_screen() - || (swapping_screen() && !termcap_active) - ; -} - -/* - * Print a message when there is no valid screen. - */ -static void msg_puts_printf(char_u *str, int maxlen) -{ - char_u *s = str; - char_u buf[4]; - char_u *p; - - while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) { - if (!(silent_mode && p_verbose == 0)) { - /* NL --> CR NL translation (for Unix, not for "--version") */ - /* NL --> CR translation (for Mac) */ - p = &buf[0]; - if (*s == '\n' && !info_message) - *p++ = '\r'; -#if defined(USE_CR) && !defined(MACOS_X_UNIX) - else -#endif - *p++ = *s; - *p = '\0'; - if (info_message) /* informative message, not an error */ - mch_msg((char *)buf); - else - mch_errmsg((char *)buf); - } - - /* primitive way to compute the current column */ - if (cmdmsg_rl) { - if (*s == '\r' || *s == '\n') - msg_col = Columns - 1; - else - --msg_col; - } else { - if (*s == '\r' || *s == '\n') - msg_col = 0; - else - ++msg_col; - } - ++s; - } - msg_didout = TRUE; /* assume that line is not empty */ - -} - -/* - * Show the more-prompt and handle the user response. - * This takes care of scrolling back and displaying previously displayed text. - * When at hit-enter prompt "typed_char" is the already typed character, - * otherwise it's NUL. - * Returns TRUE when jumping ahead to "confirm_msg_tail". - */ -static int do_more_prompt(int typed_char) -{ - int used_typed_char = typed_char; - int oldState = State; - int c; - int retval = FALSE; - int toscroll; - msgchunk_T *mp_last = NULL; - msgchunk_T *mp; - int i; - - if (typed_char == 'G') { - /* "g<": Find first line on the last page. */ - mp_last = msg_sb_start(last_msgchunk); - for (i = 0; i < Rows - 2 && mp_last != NULL - && mp_last->sb_prev != NULL; ++i) - mp_last = msg_sb_start(mp_last->sb_prev); - } - - State = ASKMORE; - setmouse(); - if (typed_char == NUL) - msg_moremsg(FALSE); - for (;; ) { - /* - * Get a typed character directly from the user. - */ - if (used_typed_char != NUL) { - c = used_typed_char; /* was typed at hit-enter prompt */ - used_typed_char = NUL; - } else - c = get_keystroke(); - - - toscroll = 0; - switch (c) { - case K_EVENT: - event_process(); - break; - case BS: /* scroll one line back */ - case K_BS: - case 'k': - case K_UP: - toscroll = -1; - break; - - case CAR: /* one extra line */ - case NL: - case 'j': - case K_DOWN: - toscroll = 1; - break; - - case 'u': /* Up half a page */ - toscroll = -(Rows / 2); - break; - - case 'd': /* Down half a page */ - toscroll = Rows / 2; - break; - - case 'b': /* one page back */ - case K_PAGEUP: - toscroll = -(Rows - 1); - break; - - case ' ': /* one extra page */ - case 'f': - case K_PAGEDOWN: - case K_LEFTMOUSE: - toscroll = Rows - 1; - break; - - case 'g': /* all the way back to the start */ - toscroll = -999999; - break; - - case 'G': /* all the way to the end */ - toscroll = 999999; - lines_left = 999999; - break; - - case ':': /* start new command line */ - if (!confirm_msg_used) { - /* Since got_int is set all typeahead will be flushed, but we - * want to keep this ':', remember that in a special way. */ - typeahead_noflush(':'); - cmdline_row = Rows - 1; /* put ':' on this line */ - skip_redraw = TRUE; /* skip redraw once */ - need_wait_return = FALSE; /* don't wait in main() */ - } - /*FALLTHROUGH*/ - case 'q': /* quit */ - case Ctrl_C: - case ESC: - if (confirm_msg_used) { - /* Jump to the choices of the dialog. */ - retval = TRUE; - } else { - got_int = TRUE; - quit_more = TRUE; - } - /* When there is some more output (wrapping line) display that - * without another prompt. */ - lines_left = Rows - 1; - break; - - default: /* no valid response */ - msg_moremsg(TRUE); - continue; - } - - if (toscroll != 0) { - if (toscroll < 0) { - /* go to start of last line */ - if (mp_last == NULL) - mp = msg_sb_start(last_msgchunk); - else if (mp_last->sb_prev != NULL) - mp = msg_sb_start(mp_last->sb_prev); - else - mp = NULL; - - /* go to start of line at top of the screen */ - for (i = 0; i < Rows - 2 && mp != NULL && mp->sb_prev != NULL; - ++i) - mp = msg_sb_start(mp->sb_prev); - - if (mp != NULL && mp->sb_prev != NULL) { - /* Find line to be displayed at top. */ - for (i = 0; i > toscroll; --i) { - if (mp == NULL || mp->sb_prev == NULL) - break; - mp = msg_sb_start(mp->sb_prev); - if (mp_last == NULL) - mp_last = msg_sb_start(last_msgchunk); - else - mp_last = msg_sb_start(mp_last->sb_prev); - } - - if (toscroll == -1 && screen_ins_lines(0, 0, 1, - (int)Rows, NULL) == OK) { - /* display line at top */ - (void)disp_sb_line(0, mp); - } else { - /* redisplay all lines */ - screenclear(); - for (i = 0; mp != NULL && i < Rows - 1; ++i) { - mp = disp_sb_line(i, mp); - ++msg_scrolled; - } - } - toscroll = 0; - } - } else { - /* First display any text that we scrolled back. */ - while (toscroll > 0 && mp_last != NULL) { - /* scroll up, display line at bottom */ - msg_scroll_up(); - inc_msg_scrolled(); - screen_fill((int)Rows - 2, (int)Rows - 1, 0, - (int)Columns, ' ', ' ', 0); - mp_last = disp_sb_line((int)Rows - 2, mp_last); - --toscroll; - } - } - - if (toscroll <= 0) { - /* displayed the requested text, more prompt again */ - screen_fill((int)Rows - 1, (int)Rows, 0, - (int)Columns, ' ', ' ', 0); - msg_moremsg(FALSE); - continue; - } - - /* display more text, return to caller */ - lines_left = toscroll; - } - - break; - } - - /* clear the --more-- message */ - screen_fill((int)Rows - 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); - State = oldState; - setmouse(); - if (quit_more) { - msg_row = Rows - 1; - msg_col = 0; - } else if (cmdmsg_rl) - msg_col = Columns - 1; - - return retval; -} - -#if defined(USE_MCH_ERRMSG) || defined(PROTO) - -#ifdef mch_errmsg -# undef mch_errmsg -#endif -#ifdef mch_msg -# undef mch_msg -#endif - -/* - * Give an error message. To be used when the screen hasn't been initialized - * yet. When stderr can't be used, collect error messages until the GUI has - * started and they can be displayed in a message box. - */ -void mch_errmsg(char *str) -{ - int len; - -#if (defined(UNIX) || defined(FEAT_GUI)) && !defined(ALWAYS_USE_GUI) - /* On Unix use stderr if it's a tty. - * When not going to start the GUI also use stderr. - * On Mac, when started from Finder, stderr is the console. */ - if ( -# ifdef UNIX - isatty(2) -# endif - ) { - fprintf(stderr, "%s", str); - return; - } -#endif - - /* avoid a delay for a message that isn't there */ - emsg_on_display = FALSE; - - len = (int)STRLEN(str) + 1; - if (error_ga.ga_growsize == 0) { - error_ga.ga_growsize = 80; - error_ga.ga_itemsize = 1; - } - ga_grow(&error_ga, len); - memmove((char_u *)error_ga.ga_data + error_ga.ga_len, - (char_u *)str, len); -#ifdef UNIX - /* remove CR characters, they are displayed */ - { - char_u *p; - - p = (char_u *)error_ga.ga_data + error_ga.ga_len; - for (;; ) { - p = vim_strchr(p, '\r'); - if (p == NULL) - break; - *p = ' '; - } - } -#endif - --len; /* don't count the NUL at the end */ - error_ga.ga_len += len; -} - -/* - * Give a message. To be used when the screen hasn't been initialized yet. - * When there is no tty, collect messages until the GUI has started and they - * can be displayed in a message box. - */ -void mch_msg(char *str) -{ -#if (defined(UNIX) || defined(FEAT_GUI)) && !defined(ALWAYS_USE_GUI) - /* On Unix use stdout if we have a tty. This allows "vim -h | more" and - * uses mch_errmsg() when started from the desktop. - * When not going to start the GUI also use stdout. - * On Mac, when started from Finder, stderr is the console. */ - if ( -# ifdef UNIX - isatty(2) -# endif - ) { - printf("%s", str); - return; - } -# endif - mch_errmsg(str); -} -#endif /* USE_MCH_ERRMSG */ - -/* - * Put a character on the screen at the current message position and advance - * to the next position. Only for printable ASCII! - */ -static void msg_screen_putchar(int c, int attr) -{ - msg_didout = TRUE; /* remember that line is not empty */ - screen_putchar(c, msg_row, msg_col, attr); - if (cmdmsg_rl) { - if (--msg_col == 0) { - msg_col = Columns; - ++msg_row; - } - } else { - if (++msg_col >= Columns) { - msg_col = 0; - ++msg_row; - } - } -} - -void msg_moremsg(int full) -{ - int attr; - char_u *s = (char_u *)_("-- More --"); - - attr = hl_attr(HLF_M); - screen_puts(s, (int)Rows - 1, 0, attr); - if (full) - screen_puts((char_u *) - _(" SPACE/d/j: screen/page/line down, b/u/k: up, q: quit "), - (int)Rows - 1, vim_strsize(s), attr); -} - -/* - * Repeat the message for the current mode: ASKMORE, EXTERNCMD, CONFIRM or - * exmode_active. - */ -void repeat_message(void) -{ - if (State == ASKMORE) { - msg_moremsg(TRUE); /* display --more-- message again */ - msg_row = Rows - 1; - } else if (State == CONFIRM) { - display_confirm_msg(); /* display ":confirm" message again */ - msg_row = Rows - 1; - } else if (State == EXTERNCMD) { - windgoto(msg_row, msg_col); /* put cursor back */ - } else if (State == HITRETURN || State == SETWSIZE) { - if (msg_row == Rows - 1) { - /* Avoid drawing the "hit-enter" prompt below the previous one, - * overwrite it. Esp. useful when regaining focus and a - * FocusGained autocmd exists but didn't draw anything. */ - msg_didout = FALSE; - msg_col = 0; - msg_clr_eos(); - } - hit_return_msg(); - msg_row = Rows - 1; - } -} - -/* - * msg_check_screen - check if the screen is initialized. - * Also check msg_row and msg_col, if they are too big it may cause a crash. - * While starting the GUI the terminal codes will be set for the GUI, but the - * output goes to the terminal. Don't use the terminal codes then. - */ -static int msg_check_screen(void) -{ - if (!full_screen || !screen_valid(FALSE)) - return FALSE; - - if (msg_row >= Rows) - msg_row = Rows - 1; - if (msg_col >= Columns) - msg_col = Columns - 1; - return TRUE; -} - -/* - * Clear from current message position to end of screen. - * Skip this when ":silent" was used, no need to clear for redirection. - */ -void msg_clr_eos(void) -{ - if (msg_silent == 0) - msg_clr_eos_force(); -} - -/* - * Clear from current message position to end of screen. - * Note: msg_col is not updated, so we remember the end of the message - * for msg_check(). - */ -void msg_clr_eos_force(void) -{ - if (msg_use_printf()) { - if (full_screen) { /* only when termcap codes are valid */ - if (*T_CD) - out_str(T_CD); /* clear to end of display */ - else if (*T_CE) - out_str(T_CE); /* clear to end of line */ - } - } else { - if (cmdmsg_rl) { - screen_fill(msg_row, msg_row + 1, 0, msg_col + 1, ' ', ' ', 0); - screen_fill(msg_row + 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); - } else { - screen_fill(msg_row, msg_row + 1, msg_col, (int)Columns, - ' ', ' ', 0); - screen_fill(msg_row + 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); - } - } -} - -/* - * Clear the command line. - */ -void msg_clr_cmdline(void) -{ - msg_row = cmdline_row; - msg_col = 0; - msg_clr_eos_force(); -} - -/* - * end putting a message on the screen - * call wait_return if the message does not fit in the available space - * return TRUE if wait_return not called. - */ -int msg_end(void) -{ - /* - * If the string is larger than the window, - * or the ruler option is set and we run into it, - * we have to redraw the window. - * Do not do this if we are abandoning the file or editing the command line. - */ - if (!exiting && need_wait_return && !(State & CMDLINE)) { - wait_return(FALSE); - return FALSE; - } - out_flush(); - return TRUE; -} - -/* - * If the written message runs into the shown command or ruler, we have to - * wait for hit-return and redraw the window later. - */ -void msg_check(void) -{ - if (msg_row == Rows - 1 && msg_col >= sc_col) { - need_wait_return = TRUE; - redraw_cmdline = TRUE; - } -} - -/* - * May write a string to the redirection file. - * When "maxlen" is -1 write the whole string, otherwise up to "maxlen" bytes. - */ -static void redir_write(char_u *str, int maxlen) -{ - char_u *s = str; - static int cur_col = 0; - - /* Don't do anything for displaying prompts and the like. */ - if (redir_off) - return; - - /* If 'verbosefile' is set prepare for writing in that file. */ - if (*p_vfile != NUL && verbose_fd == NULL) - verbose_open(); - - if (redirecting()) { - /* If the string doesn't start with CR or NL, go to msg_col */ - if (*s != '\n' && *s != '\r') { - while (cur_col < msg_col) { - if (redir_reg) - write_reg_contents(redir_reg, (char_u *)" ", -1, TRUE); - else if (redir_vname) - var_redir_str((char_u *)" ", -1); - else if (redir_fd != NULL) - fputs(" ", redir_fd); - if (verbose_fd != NULL) - fputs(" ", verbose_fd); - ++cur_col; - } - } - - if (redir_reg) - write_reg_contents(redir_reg, s, maxlen, TRUE); - if (redir_vname) - var_redir_str(s, maxlen); - - /* Write and adjust the current column. */ - while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) { - if (!redir_reg && !redir_vname) - if (redir_fd != NULL) - putc(*s, redir_fd); - if (verbose_fd != NULL) - putc(*s, verbose_fd); - if (*s == '\r' || *s == '\n') - cur_col = 0; - else if (*s == '\t') - cur_col += (8 - cur_col % 8); - else - ++cur_col; - ++s; - } - - if (msg_silent != 0) /* should update msg_col */ - msg_col = cur_col; - } -} - -int redirecting(void) -{ - return redir_fd != NULL || *p_vfile != NUL - || redir_reg || redir_vname - ; -} - -/* - * Before giving verbose message. - * Must always be called paired with verbose_leave()! - */ -void verbose_enter(void) -{ - if (*p_vfile != NUL) - ++msg_silent; -} - -/* - * After giving verbose message. - * Must always be called paired with verbose_enter()! - */ -void verbose_leave(void) -{ - if (*p_vfile != NUL) - if (--msg_silent < 0) - msg_silent = 0; -} - -/* - * Like verbose_enter() and set msg_scroll when displaying the message. - */ -void verbose_enter_scroll(void) -{ - if (*p_vfile != NUL) - ++msg_silent; - else - /* always scroll up, don't overwrite */ - msg_scroll = TRUE; -} - -/* - * Like verbose_leave() and set cmdline_row when displaying the message. - */ -void verbose_leave_scroll(void) -{ - if (*p_vfile != NUL) { - if (--msg_silent < 0) - msg_silent = 0; - } else - cmdline_row = msg_row; -} - -/* - * Called when 'verbosefile' is set: stop writing to the file. - */ -void verbose_stop(void) -{ - if (verbose_fd != NULL) { - fclose(verbose_fd); - verbose_fd = NULL; - } - verbose_did_open = FALSE; -} - -/* - * Open the file 'verbosefile'. - * Return FAIL or OK. - */ -int verbose_open(void) -{ - if (verbose_fd == NULL && !verbose_did_open) { - /* Only give the error message once. */ - verbose_did_open = TRUE; - - verbose_fd = mch_fopen((char *)p_vfile, "a"); - if (verbose_fd == NULL) { - EMSG2(_(e_notopen), p_vfile); - return FAIL; - } - } - return OK; -} - -/* - * Give a warning message (for searching). - * Use 'w' highlighting and may repeat the message after redrawing - */ -void give_warning(char_u *message, int hl) -{ - /* Don't do this for ":silent". */ - if (msg_silent != 0) - return; - - /* Don't want a hit-enter prompt here. */ - ++no_wait_return; - - set_vim_var_string(VV_WARNINGMSG, message, -1); - free(keep_msg); - keep_msg = NULL; - if (hl) - keep_msg_attr = hl_attr(HLF_W); - else - keep_msg_attr = 0; - if (msg_attr(message, keep_msg_attr) && msg_scrolled == 0) - set_keep_msg(message, keep_msg_attr); - msg_didout = FALSE; /* overwrite this message */ - msg_nowait = TRUE; /* don't wait for this message */ - msg_col = 0; - - --no_wait_return; -} - -/* - * Advance msg cursor to column "col". - */ -void msg_advance(int col) -{ - if (msg_silent != 0) { /* nothing to advance to */ - msg_col = col; /* for redirection, may fill it up later */ - return; - } - if (col >= Columns) /* not enough room */ - col = Columns - 1; - if (cmdmsg_rl) - while (msg_col > Columns - col) - msg_putchar(' '); - else - while (msg_col < col) - msg_putchar(' '); -} - -/* - * Used for "confirm()" function, and the :confirm command prefix. - * Versions which haven't got flexible dialogs yet, and console - * versions, get this generic handler which uses the command line. - * - * type = one of: - * VIM_QUESTION, VIM_INFO, VIM_WARNING, VIM_ERROR or VIM_GENERIC - * title = title string (can be NULL for default) - * (neither used in console dialogs at the moment) - * - * Format of the "buttons" string: - * "Button1Name\nButton2Name\nButton3Name" - * The first button should normally be the default/accept - * The second button should be the 'Cancel' button - * Other buttons- use your imagination! - * A '&' in a button name becomes a shortcut, so each '&' should be before a - * different letter. - */ -int -do_dialog ( - int type, - char_u *title, - char_u *message, - char_u *buttons, - int dfltbutton, - char_u *textfield, /* IObuff for inputdialog(), NULL - otherwise */ - int ex_cmd /* when TRUE pressing : accepts default and starts - Ex command */ -) -{ - int oldState; - int retval = 0; - char_u *hotkeys; - int c; - int i; - -#ifndef NO_CONSOLE - /* Don't output anything in silent mode ("ex -s") */ - if (silent_mode) - return dfltbutton; /* return default option */ -#endif - - - oldState = State; - State = CONFIRM; - setmouse(); - - /* - * Since we wait for a keypress, don't make the - * user press RETURN as well afterwards. - */ - ++no_wait_return; - hotkeys = msg_show_console_dialog(message, buttons, dfltbutton); - - if (hotkeys != NULL) { - for (;; ) { - /* Get a typed character directly from the user. */ - c = get_keystroke(); - switch (c) { - case CAR: /* User accepts default option */ - case NL: - retval = dfltbutton; - break; - case Ctrl_C: /* User aborts/cancels */ - case ESC: - retval = 0; - break; - default: /* Could be a hotkey? */ - if (c < 0) /* special keys are ignored here */ - continue; - if (c == ':' && ex_cmd) { - retval = dfltbutton; - ins_char_typebuf(':'); - break; - } - - /* Make the character lowercase, as chars in "hotkeys" are. */ - c = vim_tolower(c); - retval = 1; - for (i = 0; hotkeys[i]; ++i) { - if (has_mbyte) { - if ((*mb_ptr2char)(hotkeys + i) == c) - break; - i += (*mb_ptr2len)(hotkeys + i) - 1; - } else if (hotkeys[i] == c) - break; - ++retval; - } - if (hotkeys[i]) - break; - /* No hotkey match, so keep waiting */ - continue; - } - break; - } - - free(hotkeys); - } - - State = oldState; - setmouse(); - --no_wait_return; - msg_end_prompt(); - - return retval; -} - -static int copy_char(char_u *from, char_u *to, int lowercase); - -/* - * Copy one character from "*from" to "*to", taking care of multi-byte - * characters. Return the length of the character in bytes. - */ -static int -copy_char ( - char_u *from, - char_u *to, - int lowercase /* make character lower case */ -) -{ - int len; - int c; - - if (has_mbyte) { - if (lowercase) { - c = vim_tolower((*mb_ptr2char)(from)); - return (*mb_char2bytes)(c, to); - } else { - len = (*mb_ptr2len)(from); - memmove(to, from, (size_t)len); - return len; - } - } else { - if (lowercase) - *to = (char_u)TOLOWER_LOC(*from); - else - *to = *from; - return 1; - } -} - -#define HAS_HOTKEY_LEN 30 -#define HOTK_LEN (has_mbyte ? MB_MAXBYTES : 1) - -static char_u * console_dialog_alloc(const char_u *message, - char_u *buttons, - bool has_hotkey[]) -{ - int lenhotkey = HOTK_LEN; // count first button - has_hotkey[0] = false; - - // Compute the size of memory to allocate. - int len = 0; - int idx = 0; - char_u *r = buttons; - while (*r) { - if (*r == DLG_BUTTON_SEP) { - len += 3; // '\n' -> ', '; 'x' -> '(x)' - lenhotkey += HOTK_LEN; // each button needs a hotkey - if (idx < HAS_HOTKEY_LEN - 1) { - has_hotkey[++idx] = false; - } - } else if (*r == DLG_HOTKEY_CHAR) { - r++; - len++; // '&a' -> '[a]' - if (idx < HAS_HOTKEY_LEN - 1) { - has_hotkey[idx] = true; - } - } - - // Advance to the next character - mb_ptr_adv(r); - } - - len += (int)(STRLEN(message) - + 2 // for the NL's - + STRLEN(buttons) - + 3); // for the ": " and NUL - lenhotkey++; // for the NUL - - // If no hotkey is specified, first char is used. - if (!has_hotkey[0]) { - len += 2; // "x" -> "[x]" - } - - - // Now allocate space for the strings - free(confirm_msg); - confirm_msg = xmalloc(len); - *confirm_msg = NUL; - - return xmalloc(lenhotkey); -} - -/* - * Format the dialog string, and display it at the bottom of - * the screen. Return a string of hotkey chars (if defined) for - * each 'button'. If a button has no hotkey defined, the first character of - * the button is used. - * The hotkeys can be multi-byte characters, but without combining chars. - * - * Returns an allocated string with hotkeys, or NULL for error. - */ -static char_u *msg_show_console_dialog(char_u *message, char_u *buttons, int dfltbutton) -{ - bool has_hotkey[HAS_HOTKEY_LEN]; - char_u *hotk = console_dialog_alloc(message, buttons, has_hotkey); - - copy_hotkeys_and_msg(message, buttons, dfltbutton, has_hotkey, hotk); - - display_confirm_msg(); - return hotk; -} - -static void copy_hotkeys_and_msg(const char_u *message, char_u *buttons, - int default_button_idx, const bool has_hotkey[], - char_u *hotkeys_ptr) -{ - *confirm_msg = '\n'; - STRCPY(confirm_msg + 1, message); - - char_u *msgp = confirm_msg + 1 + STRLEN(message); - - // Define first default hotkey. Keep the hotkey string NUL - // terminated to avoid reading past the end. - hotkeys_ptr[copy_char(buttons, hotkeys_ptr, TRUE)] = NUL; - - // Remember where the choices start, displaying starts here when - // "hotkeys_ptr" typed at the more prompt. - confirm_msg_tail = msgp; - *msgp++ = '\n'; - - bool first_hotkey = false; // Is the first char of button a hotkey - if (!has_hotkey[0]) { - first_hotkey = true; // If no hotkey is specified, first char is used - } - - int idx = 0; - char_u *r = buttons; - while (*r) { - if (*r == DLG_BUTTON_SEP) { - *msgp++ = ','; - *msgp++ = ' '; // '\n' -> ', ' - - // Advance to next hotkey and set default hotkey - hotkeys_ptr += (has_mbyte) ? STRLEN(hotkeys_ptr): 1; - hotkeys_ptr[copy_char(r + 1, hotkeys_ptr, TRUE)] = NUL; - - if (default_button_idx) { - default_button_idx--; - } - - // If no hotkey is specified, first char is used. - if (idx < HAS_HOTKEY_LEN - 1 && !has_hotkey[++idx]) { - first_hotkey = true; - } - - } else if (*r == DLG_HOTKEY_CHAR || first_hotkey) { - if (*r == DLG_HOTKEY_CHAR) { - ++r; - } - - first_hotkey = false; - if (*r == DLG_HOTKEY_CHAR) { // '&&a' -> '&a' - *msgp++ = *r; - } else { - // '&a' -> '[a]' - *msgp++ = (default_button_idx == 1) ? '[' : '('; - msgp += copy_char(r, msgp, FALSE); - *msgp++ = (default_button_idx == 1) ? ']' : ')'; - - // redefine hotkey - hotkeys_ptr[copy_char(r, hotkeys_ptr, TRUE)] = NUL; - } - } else { - // everything else copy literally - msgp += copy_char(r, msgp, FALSE); - } - - // advance to the next character - mb_ptr_adv(r); - } - - *msgp++ = ':'; - *msgp++ = ' '; - *msgp = NUL; -} - -/* - * Display the ":confirm" message. Also called when screen resized. - */ -void display_confirm_msg(void) -{ - /* avoid that 'q' at the more prompt truncates the message here */ - ++confirm_msg_used; - if (confirm_msg != NULL) - msg_puts_attr(confirm_msg, hl_attr(HLF_M)); - --confirm_msg_used; -} - -int vim_dialog_yesno(int type, char_u *title, char_u *message, int dflt) -{ - if (do_dialog(type, - title == NULL ? (char_u *)_("Question") : title, - message, - (char_u *)_("&Yes\n&No"), dflt, NULL, FALSE) == 1) - return VIM_YES; - return VIM_NO; -} - -int vim_dialog_yesnocancel(int type, char_u *title, char_u *message, int dflt) -{ - switch (do_dialog(type, - title == NULL ? (char_u *)_("Question") : title, - message, - (char_u *)_("&Yes\n&No\n&Cancel"), dflt, NULL, FALSE)) { - case 1: return VIM_YES; - case 2: return VIM_NO; - } - return VIM_CANCEL; -} - -int vim_dialog_yesnoallcancel(int type, char_u *title, char_u *message, int dflt) -{ - switch (do_dialog(type, - title == NULL ? (char_u *)"Question" : title, - message, - (char_u *)_("&Yes\n&No\nSave &All\n&Discard All\n&Cancel"), - dflt, NULL, FALSE)) { - case 1: return VIM_YES; - case 2: return VIM_NO; - case 3: return VIM_ALL; - case 4: return VIM_DISCARDALL; - } - return VIM_CANCEL; -} - - - -#if defined(FEAT_EVAL) -static char *e_printf = N_("E766: Insufficient arguments for printf()"); - -static long tv_nr(typval_T *tvs, int *idxp); -static char *tv_str(typval_T *tvs, int *idxp); -static double tv_float(typval_T *tvs, int *idxp); - -/* - * Get number argument from "idxp" entry in "tvs". First entry is 1. - */ -static long tv_nr(typval_T *tvs, int *idxp) -{ - int idx = *idxp - 1; - long n = 0; - int err = FALSE; - - if (tvs[idx].v_type == VAR_UNKNOWN) - EMSG(_(e_printf)); - else { - ++*idxp; - n = get_tv_number_chk(&tvs[idx], &err); - if (err) - n = 0; - } - return n; -} - -/* - * Get string argument from "idxp" entry in "tvs". First entry is 1. - * Returns NULL for an error. - */ -static char *tv_str(typval_T *tvs, int *idxp) -{ - int idx = *idxp - 1; - char *s = NULL; - - if (tvs[idx].v_type == VAR_UNKNOWN) - EMSG(_(e_printf)); - else { - ++*idxp; - s = (char *)get_tv_string_chk(&tvs[idx]); - } - return s; -} - -/* - * Get float argument from "idxp" entry in "tvs". First entry is 1. - */ -static double tv_float(typval_T *tvs, int *idxp) -{ - int idx = *idxp - 1; - double f = 0; - - if (tvs[idx].v_type == VAR_UNKNOWN) - EMSG(_(e_printf)); - else { - ++*idxp; - if (tvs[idx].v_type == VAR_FLOAT) - f = tvs[idx].vval.v_float; - else if (tvs[idx].v_type == VAR_NUMBER) - f = tvs[idx].vval.v_number; - else - EMSG(_("E807: Expected Float argument for printf()")); - } - return f; -} -#endif - -/* - * This code was included to provide a portable vsnprintf() and snprintf(). - * Some systems may provide their own, but we always use this one for - * consistency. - * - * This code is based on snprintf.c - a portable implementation of snprintf - * by Mark Martinec <mark.martinec@ijs.si>, Version 2.2, 2000-10-06. - * Included with permission. It was heavily modified to fit in Vim. - * The original code, including useful comments, can be found here: - * http://www.ijs.si/software/snprintf/ - * - * This snprintf() only supports the following conversion specifiers: - * s, c, d, u, o, x, X, p (and synonyms: i, D, U, O - see below) - * with flags: '-', '+', ' ', '0' and '#'. - * An asterisk is supported for field width as well as precision. - * - * Limited support for floating point was added: 'f', 'e', 'E', 'g', 'G'. - * - * Length modifiers 'h' (short int) and 'l' (long int) are supported. - * 'll' (long long int) is not supported. - * - * The locale is not used, the string is used as a byte string. This is only - * relevant for double-byte encodings where the second byte may be '%'. - * - * It is permitted for "str_m" to be zero, and it is permitted to specify NULL - * pointer for resulting string argument if "str_m" is zero (as per ISO C99). - * - * The return value is the number of characters which would be generated - * for the given input, excluding the trailing null. If this value - * is greater or equal to "str_m", not all characters from the result - * have been stored in str, output bytes beyond the ("str_m"-1) -th character - * are discarded. If "str_m" is greater than zero it is guaranteed - * the resulting string will be null-terminated. - */ - -/* - * When va_list is not supported we only define vim_snprintf(). - * - * vim_vsnprintf() can be invoked with either "va_list" or a list of - * "typval_T". When the latter is not used it must be NULL. - */ - -/* When generating prototypes all of this is skipped, cproto doesn't - * understand this. */ - -/* Like vim_vsnprintf() but append to the string. */ -int vim_snprintf_add(char *str, size_t str_m, char *fmt, ...) -{ - va_list ap; - int str_l; - size_t len = STRLEN(str); - size_t space; - - if (str_m <= len) - space = 0; - else - space = str_m - len; - va_start(ap, fmt); - str_l = vim_vsnprintf(str + len, space, fmt, ap, NULL); - va_end(ap); - return str_l; -} - -int vim_snprintf(char *str, size_t str_m, char *fmt, ...) -{ - va_list ap; - int str_l; - - va_start(ap, fmt); - str_l = vim_vsnprintf(str, str_m, fmt, ap, NULL); - va_end(ap); - return str_l; -} - -int vim_vsnprintf(char *str, size_t str_m, char *fmt, va_list ap, typval_T *tvs) -{ - size_t str_l = 0; - char *p = fmt; - int arg_idx = 1; - - if (p == NULL) - p = ""; - while (*p != NUL) { - if (*p != '%') { - char *q = strchr(p + 1, '%'); - size_t n = (q == NULL) ? STRLEN(p) : (size_t)(q - p); - - /* Copy up to the next '%' or NUL without any changes. */ - if (str_l < str_m) { - size_t avail = str_m - str_l; - - memmove(str + str_l, p, n > avail ? avail : n); - } - p += n; - str_l += n; - } else { - size_t min_field_width = 0, precision = 0; - int zero_padding = 0, precision_specified = 0, justify_left = 0; - int alternate_form = 0, force_sign = 0; - - /* If both the ' ' and '+' flags appear, the ' ' flag should be - * ignored. */ - int space_for_positive = 1; - - /* allowed values: \0, h, l, L */ - char length_modifier = '\0'; - - /* temporary buffer for simple numeric->string conversion */ -# define TMP_LEN 350 /* On my system 1e308 is the biggest number possible. - * That sounds reasonable to use as the maximum - * printable. */ - char tmp[TMP_LEN]; - - /* string address in case of string argument */ - char *str_arg; - - /* natural field width of arg without padding and sign */ - size_t str_arg_l; - - /* unsigned char argument value - only defined for c conversion. - * N.B. standard explicitly states the char argument for the c - * conversion is unsigned */ - unsigned char uchar_arg; - - /* number of zeros to be inserted for numeric conversions as - * required by the precision or minimal field width */ - size_t number_of_zeros_to_pad = 0; - - /* index into tmp where zero padding is to be inserted */ - size_t zero_padding_insertion_ind = 0; - - /* current conversion specifier character */ - char fmt_spec = '\0'; - - str_arg = NULL; - p++; /* skip '%' */ - - /* parse flags */ - while (*p == '0' || *p == '-' || *p == '+' || *p == ' ' - || *p == '#' || *p == '\'') { - switch (*p) { - case '0': zero_padding = 1; break; - case '-': justify_left = 1; break; - case '+': force_sign = 1; space_for_positive = 0; break; - case ' ': force_sign = 1; - /* If both the ' ' and '+' flags appear, the ' ' - * flag should be ignored */ - break; - case '#': alternate_form = 1; break; - case '\'': break; - } - p++; - } - /* If the '0' and '-' flags both appear, the '0' flag should be - * ignored. */ - - /* parse field width */ - if (*p == '*') { - int j; - - p++; - j = tvs != NULL ? tv_nr(tvs, &arg_idx) : va_arg(ap, int); - if (j >= 0) - min_field_width = j; - else { - min_field_width = -j; - justify_left = 1; - } - } else if (VIM_ISDIGIT((int)(*p))) { - /* size_t could be wider than unsigned int; make sure we treat - * argument like common implementations do */ - unsigned int uj = *p++ - '0'; - - while (VIM_ISDIGIT((int)(*p))) - uj = 10 * uj + (unsigned int)(*p++ - '0'); - min_field_width = uj; - } - - /* parse precision */ - if (*p == '.') { - p++; - precision_specified = 1; - if (*p == '*') { - int j; - - j = tvs != NULL ? tv_nr(tvs, &arg_idx) : va_arg(ap, int); - p++; - if (j >= 0) - precision = j; - else { - precision_specified = 0; - precision = 0; - } - } else if (VIM_ISDIGIT((int)(*p))) { - /* size_t could be wider than unsigned int; make sure we - * treat argument like common implementations do */ - unsigned int uj = *p++ - '0'; - - while (VIM_ISDIGIT((int)(*p))) - uj = 10 * uj + (unsigned int)(*p++ - '0'); - precision = uj; - } - } - - /* parse 'h', 'l' and 'll' length modifiers */ - if (*p == 'h' || *p == 'l') { - length_modifier = *p; - p++; - if (length_modifier == 'l' && *p == 'l') { /* double l = long long */ - length_modifier = '2'; /* double l encoded as '2' */ - p++; - } - } - fmt_spec = *p; - - /* common synonyms: */ - switch (fmt_spec) { - case 'i': fmt_spec = 'd'; break; - case 'D': fmt_spec = 'd'; length_modifier = 'l'; break; - case 'U': fmt_spec = 'u'; length_modifier = 'l'; break; - case 'O': fmt_spec = 'o'; length_modifier = 'l'; break; - case 'F': fmt_spec = 'f'; break; - default: break; - } - - /* get parameter value, do initial processing */ - switch (fmt_spec) { - /* '%' and 'c' behave similar to 's' regarding flags and field widths */ - case '%': - case 'c': - case 's': - case 'S': - length_modifier = '\0'; - str_arg_l = 1; - switch (fmt_spec) { - case '%': - str_arg = p; - break; - - case 'c': - { - int j; - - j = tvs != NULL ? tv_nr(tvs, &arg_idx) : va_arg(ap, int); - /* standard demands unsigned char */ - uchar_arg = (unsigned char)j; - str_arg = (char *)&uchar_arg; - break; - } - - case 's': - case 'S': - str_arg = tvs != NULL ? tv_str(tvs, &arg_idx) : va_arg(ap, char *); - if (str_arg == NULL) { - str_arg = "[NULL]"; - str_arg_l = 6; - } - /* make sure not to address string beyond the specified - * precision !!! */ - else if (!precision_specified) - str_arg_l = strlen(str_arg); - /* truncate string if necessary as requested by precision */ - else if (precision == 0) - str_arg_l = 0; - else { - /* Don't put the #if inside memchr(), it can be a - * macro. */ - /* memchr on HP does not like n > 2^31 !!! */ - char *q = memchr(str_arg, '\0', - precision <= (size_t)0x7fffffffL ? precision - : (size_t)0x7fffffffL); - str_arg_l = (q == NULL) ? precision - : (size_t)(q - str_arg); - } - if (fmt_spec == 'S') { - if (min_field_width != 0) - min_field_width += STRLEN(str_arg) - - mb_string2cells((char_u *)str_arg, -1); - if (precision) { - char_u *p1 = (char_u *)str_arg; - size_t i; - - for (i = 0; i < precision && *p1; i++) - p1 += mb_ptr2len(p1); - - str_arg_l = precision = p1 - (char_u *)str_arg; - } - } - break; - - default: - break; - } - break; - - case 'd': case 'u': case 'o': case 'x': case 'X': case 'p': - { - /* NOTE: the u, o, x, X and p conversion specifiers - * imply the value is unsigned; d implies a signed - * value */ - - /* 0 if numeric argument is zero (or if pointer is - * NULL for 'p'), +1 if greater than zero (or nonzero - * for unsigned arguments), -1 if negative (unsigned - * argument is never negative) */ - int arg_sign = 0; - - /* only defined for length modifier h, or for no - * length modifiers */ - int int_arg = 0; - unsigned int uint_arg = 0; - - /* only defined for length modifier l */ - long int long_arg = 0; - unsigned long int ulong_arg = 0; - - /* only defined for length modifier ll */ - long long int long_long_arg = 0; - unsigned long long int ulong_long_arg = 0; - - /* pointer argument value -only defined for p - * conversion */ - void *ptr_arg = NULL; - - if (fmt_spec == 'p') { - length_modifier = '\0'; - ptr_arg = tvs != NULL ? (void *)tv_str(tvs, &arg_idx) - : va_arg(ap, void *); - if (ptr_arg != NULL) - arg_sign = 1; - } else if (fmt_spec == 'd') { - /* signed */ - switch (length_modifier) { - case '\0': - case 'h': - /* char and short arguments are passed as int. */ - int_arg = tvs != NULL ? tv_nr(tvs, &arg_idx) : va_arg(ap, int); - if (int_arg > 0) - arg_sign = 1; - else if (int_arg < 0) - arg_sign = -1; - break; - case 'l': - long_arg = tvs != NULL ? tv_nr(tvs, &arg_idx) - : va_arg(ap, long int); - if (long_arg > 0) - arg_sign = 1; - else if (long_arg < 0) - arg_sign = -1; - break; - case '2': - long_long_arg = tvs != NULL ? tv_nr(tvs, &arg_idx) - : va_arg(ap, long long int); - if (long_long_arg > 0) - arg_sign = 1; - else if (long_long_arg < 0) - arg_sign = -1; - break; - } - } else { - /* unsigned */ - switch (length_modifier) { - case '\0': - case 'h': - uint_arg = tvs != NULL ? (unsigned)tv_nr(tvs, &arg_idx) - : va_arg(ap, unsigned int); - if (uint_arg != 0) - arg_sign = 1; - break; - case 'l': - ulong_arg = tvs != NULL ? (unsigned long)tv_nr(tvs, &arg_idx) - : va_arg(ap, unsigned long int); - if (ulong_arg != 0) - arg_sign = 1; - break; - case '2': - ulong_long_arg = tvs != NULL ? - (unsigned long long)tv_nr(tvs, &arg_idx) : - va_arg(ap, unsigned long long int); - if (ulong_long_arg) arg_sign = 1; - break; - } - } - - str_arg = tmp; - str_arg_l = 0; - - /* NOTE: - * For d, i, u, o, x, and X conversions, if precision is - * specified, the '0' flag should be ignored. This is so - * with Solaris 2.6, Digital UNIX 4.0, HPUX 10, Linux, - * FreeBSD, NetBSD; but not with Perl. - */ - if (precision_specified) - zero_padding = 0; - if (fmt_spec == 'd') { - if (force_sign && arg_sign >= 0) - tmp[str_arg_l++] = space_for_positive ? ' ' : '+'; - /* leave negative numbers for sprintf to handle, to - * avoid handling tricky cases like (short int)-32768 */ - } else if (alternate_form) { - if (arg_sign != 0 - && (fmt_spec == 'x' || fmt_spec == 'X') ) { - tmp[str_arg_l++] = '0'; - tmp[str_arg_l++] = fmt_spec; - } - /* alternate form should have no effect for p - * conversion, but ... */ - } - - zero_padding_insertion_ind = str_arg_l; - if (!precision_specified) - precision = 1; /* default precision is 1 */ - if (precision == 0 && arg_sign == 0) { - /* When zero value is formatted with an explicit - * precision 0, the resulting formatted string is - * empty (d, i, u, o, x, X, p). */ - } else { - char f[5]; - int f_l = 0; - - /* construct a simple format string for sprintf */ - f[f_l++] = '%'; - if (!length_modifier) - ; - else if (length_modifier == '2') { - f[f_l++] = 'l'; - f[f_l++] = 'l'; - } else - f[f_l++] = length_modifier; - f[f_l++] = fmt_spec; - f[f_l++] = '\0'; - - if (fmt_spec == 'p') - str_arg_l += sprintf(tmp + str_arg_l, f, ptr_arg); - else if (fmt_spec == 'd') { - /* signed */ - switch (length_modifier) { - case '\0': - case 'h': str_arg_l += sprintf( - tmp + str_arg_l, f, int_arg); - break; - case 'l': str_arg_l += sprintf( - tmp + str_arg_l, f, long_arg); - break; - case '2': str_arg_l += sprintf( - tmp + str_arg_l, f, long_long_arg); - break; - } - } else { - /* unsigned */ - switch (length_modifier) { - case '\0': - case 'h': str_arg_l += sprintf( - tmp + str_arg_l, f, uint_arg); - break; - case 'l': str_arg_l += sprintf( - tmp + str_arg_l, f, ulong_arg); - break; - case '2': str_arg_l += sprintf( - tmp + str_arg_l, f, ulong_long_arg); - break; - } - } - - /* include the optional minus sign and possible - * "0x" in the region before the zero padding - * insertion point */ - if (zero_padding_insertion_ind < str_arg_l - && tmp[zero_padding_insertion_ind] == '-') - zero_padding_insertion_ind++; - if (zero_padding_insertion_ind + 1 < str_arg_l - && tmp[zero_padding_insertion_ind] == '0' - && (tmp[zero_padding_insertion_ind + 1] == 'x' - || tmp[zero_padding_insertion_ind + 1] == 'X')) - zero_padding_insertion_ind += 2; - } - - { - size_t num_of_digits = str_arg_l - - zero_padding_insertion_ind; - - if (alternate_form && fmt_spec == 'o' - /* unless zero is already the first - * character */ - && !(zero_padding_insertion_ind < str_arg_l - && tmp[zero_padding_insertion_ind] == '0')) { - /* assure leading zero for alternate-form - * octal numbers */ - if (!precision_specified - || precision < num_of_digits + 1) { - /* precision is increased to force the - * first character to be zero, except if a - * zero value is formatted with an - * explicit precision of zero */ - precision = num_of_digits + 1; - precision_specified = 1; - } - } - /* zero padding to specified precision? */ - if (num_of_digits < precision) - number_of_zeros_to_pad = precision - num_of_digits; - } - /* zero padding to specified minimal field width? */ - if (!justify_left && zero_padding) { - int n = (int)(min_field_width - (str_arg_l - + number_of_zeros_to_pad)); - if (n > 0) - number_of_zeros_to_pad += n; - } - break; - } - - case 'f': - case 'e': - case 'E': - case 'g': - case 'G': - { - /* Floating point. */ - double f; - double abs_f; - char format[40]; - int l; - int remove_trailing_zeroes = FALSE; - - f = tvs != NULL ? tv_float(tvs, &arg_idx) : va_arg(ap, double); - abs_f = f < 0 ? -f : f; - - if (fmt_spec == 'g' || fmt_spec == 'G') { - /* Would be nice to use %g directly, but it prints - * "1.0" as "1", we don't want that. */ - if ((abs_f >= 0.001 && abs_f < 10000000.0) - || abs_f == 0.0) - fmt_spec = 'f'; - else - fmt_spec = fmt_spec == 'g' ? 'e' : 'E'; - remove_trailing_zeroes = TRUE; - } - - if (fmt_spec == 'f' && -#ifdef VAX - abs_f > 1.0e38 -#else - abs_f > 1.0e307 -#endif - ) { - /* Avoid a buffer overflow */ - strcpy(tmp, "inf"); - str_arg_l = 3; - } else { - format[0] = '%'; - l = 1; - if (precision_specified) { - size_t max_prec = TMP_LEN - 10; - - /* Make sure we don't get more digits than we - * have room for. */ - if (fmt_spec == 'f' && abs_f > 1.0) - max_prec -= (size_t)log10(abs_f); - if (precision > max_prec) - precision = max_prec; - l += sprintf(format + 1, ".%d", (int)precision); - } - format[l] = fmt_spec; - format[l + 1] = NUL; - str_arg_l = sprintf(tmp, format, f); - - if (remove_trailing_zeroes) { - int i; - char *tp; - - /* Using %g or %G: remove superfluous zeroes. */ - if (fmt_spec == 'f') - tp = tmp + str_arg_l - 1; - else { - tp = (char *)vim_strchr((char_u *)tmp, - fmt_spec == 'e' ? 'e' : 'E'); - if (tp != NULL) { - /* Remove superfluous '+' and leading - * zeroes from the exponent. */ - if (tp[1] == '+') { - /* Change "1.0e+07" to "1.0e07" */ - STRMOVE(tp + 1, tp + 2); - --str_arg_l; - } - i = (tp[1] == '-') ? 2 : 1; - while (tp[i] == '0') { - /* Change "1.0e07" to "1.0e7" */ - STRMOVE(tp + i, tp + i + 1); - --str_arg_l; - } - --tp; - } - } - - if (tp != NULL && !precision_specified) - /* Remove trailing zeroes, but keep the one - * just after a dot. */ - while (tp > tmp + 2 && *tp == '0' - && tp[-1] != '.') { - STRMOVE(tp, tp + 1); - --tp; - --str_arg_l; - } - } else { - char *tp; - - /* Be consistent: some printf("%e") use 1.0e+12 - * and some 1.0e+012. Remove one zero in the last - * case. */ - tp = (char *)vim_strchr((char_u *)tmp, - fmt_spec == 'e' ? 'e' : 'E'); - if (tp != NULL && (tp[1] == '+' || tp[1] == '-') - && tp[2] == '0' - && vim_isdigit(tp[3]) - && vim_isdigit(tp[4])) { - STRMOVE(tp + 2, tp + 3); - --str_arg_l; - } - } - } - str_arg = tmp; - break; - } - - default: - /* unrecognized conversion specifier, keep format string - * as-is */ - zero_padding = 0; /* turn zero padding off for non-numeric - conversion */ - justify_left = 1; - min_field_width = 0; /* reset flags */ - - /* discard the unrecognized conversion, just keep * - * the unrecognized conversion character */ - str_arg = p; - str_arg_l = 0; - if (*p != NUL) - str_arg_l++; /* include invalid conversion specifier - unchanged if not at end-of-string */ - break; - } - - if (*p != NUL) - p++; /* step over the just processed conversion specifier */ - - /* insert padding to the left as requested by min_field_width; - * this does not include the zero padding in case of numerical - * conversions*/ - if (!justify_left) { - /* left padding with blank or zero */ - int pn = (int)(min_field_width - (str_arg_l + number_of_zeros_to_pad)); - - if (pn > 0) { - if (str_l < str_m) { - size_t avail = str_m - str_l; - - memset(str + str_l, zero_padding ? '0' : ' ', - (size_t)pn > avail ? avail - : (size_t)pn); - } - str_l += pn; - } - } - - /* zero padding as requested by the precision or by the minimal - * field width for numeric conversions required? */ - if (number_of_zeros_to_pad == 0) { - /* will not copy first part of numeric right now, * - * force it to be copied later in its entirety */ - zero_padding_insertion_ind = 0; - } else { - /* insert first part of numerics (sign or '0x') before zero - * padding */ - int zn = (int)zero_padding_insertion_ind; - - if (zn > 0) { - if (str_l < str_m) { - size_t avail = str_m - str_l; - - memmove(str + str_l, str_arg, - (size_t)zn > avail ? avail - : (size_t)zn); - } - str_l += zn; - } - - /* insert zero padding as requested by the precision or min - * field width */ - zn = (int)number_of_zeros_to_pad; - if (zn > 0) { - if (str_l < str_m) { - size_t avail = str_m-str_l; - - memset(str + str_l, '0', - (size_t)zn > avail ? avail - : (size_t)zn); - } - str_l += zn; - } - } - - /* insert formatted string - * (or as-is conversion specifier for unknown conversions) */ - { - int sn = (int)(str_arg_l - zero_padding_insertion_ind); - - if (sn > 0) { - if (str_l < str_m) { - size_t avail = str_m - str_l; - - memmove(str + str_l, - str_arg + zero_padding_insertion_ind, - (size_t)sn > avail ? avail : (size_t)sn); - } - str_l += sn; - } - } - - /* insert right padding */ - if (justify_left) { - /* right blank padding to the field width */ - int pn = (int)(min_field_width - - (str_arg_l + number_of_zeros_to_pad)); - - if (pn > 0) { - if (str_l < str_m) { - size_t avail = str_m - str_l; - - memset(str + str_l, ' ', - (size_t)pn > avail ? avail - : (size_t)pn); - } - str_l += pn; - } - } - } - } - - if (str_m > 0) { - /* make sure the string is nul-terminated even at the expense of - * overwriting the last character (shouldn't happen, but just in case) - * */ - str[str_l <= str_m - 1 ? str_l : str_m - 1] = '\0'; - } - - if (tvs != NULL && tvs[arg_idx - 1].v_type != VAR_UNKNOWN) - EMSG(_("E767: Too many arguments to printf()")); - - /* Return the number of characters formatted (excluding trailing nul - * character), that is, the number of characters that would have been - * written to the buffer if it were large enough. */ - return (int)str_l; -} - |