/* vi:set ts=8 sts=4 sw=4 noet: * * 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. */ /* * register.c: functions for managing registers */ #include "vim.h" /* * Registers: * 0 = unnamed register, for normal yanks and puts * 1..9 = registers '1' to '9', for deletes * 10..35 = registers 'a' to 'z' ('A' to 'Z' for appending) * 36 = delete register '-' * 37 = Selection register '*'. Only if FEAT_CLIPBOARD defined * 38 = Clipboard register '+'. Only if FEAT_CLIPBOARD and FEAT_X11 defined */ static yankreg_T y_regs[NUM_REGISTERS]; static yankreg_T *y_current; // ptr to current yankreg static int y_append; // TRUE when appending static yankreg_T *y_previous = NULL; // ptr to last written yankreg static int stuff_yank(int, char_u *); static void put_reedit_in_typebuf(int silent); static int put_in_typebuf(char_u *s, int esc, int colon, int silent); static int yank_copy_line(struct block_def *bd, long y_idx, int exclude_trailing_space); #ifdef FEAT_CLIPBOARD static void copy_yank_reg(yankreg_T *reg); #endif static void dis_msg(char_u *p, int skip_esc); #if defined(FEAT_VIMINFO) || defined(PROTO) yankreg_T * get_y_regs(void) { return y_regs; } #endif #if defined(FEAT_CLIPBOARD) || defined(PROTO) yankreg_T * get_y_register(int reg) { return &y_regs[reg]; } #endif yankreg_T * get_y_current(void) { return y_current; } yankreg_T * get_y_previous(void) { return y_previous; } void set_y_current(yankreg_T *yreg) { y_current = yreg; } void set_y_previous(yankreg_T *yreg) { y_previous = yreg; } void reset_y_append(void) { y_append = FALSE; } #if defined(FEAT_EVAL) || defined(PROTO) /* * Keep the last expression line here, for repeating. */ static char_u *expr_line = NULL; static exarg_T *expr_eap = NULL; /* * Get an expression for the "\"=expr1" or "CTRL-R =expr1" * Returns '=' when OK, NUL otherwise. */ int get_expr_register(void) { char_u *new_line; new_line = getcmdline('=', 0L, 0, 0); if (new_line == NULL) return NUL; if (*new_line == NUL) // use previous line vim_free(new_line); else set_expr_line(new_line, NULL); return '='; } /* * Set the expression for the '=' register. * Argument must be an allocated string. * "eap" may be used if the next line needs to be checked when evaluating the * expression. */ void set_expr_line(char_u *new_line, exarg_T *eap) { vim_free(expr_line); expr_line = new_line; expr_eap = eap; } /* * Get the result of the '=' register expression. * Returns a pointer to allocated memory, or NULL for failure. */ char_u * get_expr_line(void) { char_u *expr_copy; char_u *rv; static int nested = 0; if (expr_line == NULL) return NULL; // Make a copy of the expression, because evaluating it may cause it to be // changed. expr_copy = vim_strsave(expr_line); if (expr_copy == NULL) return NULL; // When we are invoked recursively limit the evaluation to 10 levels. // Then return the string as-is. if (nested >= 10) return expr_copy; ++nested; rv = eval_to_string_eap(expr_copy, TRUE, expr_eap, FALSE); --nested; vim_free(expr_copy); return rv; } /* * Get the '=' register expression itself, without evaluating it. */ static char_u * get_expr_line_src(void) { if (expr_line == NULL) return NULL; return vim_strsave(expr_line); } #endif // FEAT_EVAL /* * Check if 'regname' is a valid name of a yank register. * Note: There is no check for 0 (default register), caller should do this */ int valid_yank_reg( int regname, int writing) // if TRUE check for writable registers { if ( (regname > 0 && ASCII_ISALNUM(regname)) || (!writing && vim_strchr((char_u *) #ifdef FEAT_EVAL "/.%:=" #else "/.%:" #endif , regname) != NULL) || regname == '#' || regname == '"' || regname == '-' || regname == '_' #ifdef FEAT_CLIPBOARD || regname == '*' || regname == '+' #endif #ifdef FEAT_DND || (!writing && regname == '~') #endif ) return TRUE; return FALSE; } /* * Set y_current and y_append, according to the value of "regname". * Cannot handle the '_' register. * Must only be called with a valid register name! * * If regname is 0 and writing, use register 0 * If regname is 0 and reading, use previous register * * Return TRUE when the register should be inserted literally (selection or * clipboard). */ int get_yank_register(int regname, int writing) { int i; int ret = FALSE; y_append = FALSE; if ((regname == 0 || regname == '"') && !writing && y_previous != NULL) { y_current = y_previous; return ret; } i = regname; if (VIM_ISDIGIT(i)) i -= '0'; else if (ASCII_ISLOWER(i)) i = CharOrdLow(i) + 10; else if (ASCII_ISUPPER(i)) { i = CharOrdUp(i) + 10; y_append = TRUE; } else if (regname == '-') i = DELETION_REGISTER; #ifdef FEAT_CLIPBOARD // When selection is not available, use register 0 instead of '*' else if (clip_star.available && regname == '*') { i = STAR_REGISTER; ret = TRUE; } // When clipboard is not available, use register 0 instead of '+' else if (clip_plus.available && regname == '+') { i = PLUS_REGISTER; ret = TRUE; } #endif #ifdef FEAT_DND else if (!writing && regname == '~') i = TILDE_REGISTER; #endif else // not 0-9, a-z, A-Z or '-': use register 0 i = 0; y_current = &(y_regs[i]); if (writing) // remember the register we write into for do_put() y_previous = y_current; return ret; } /* * Obtain the contents of a "normal" register. The register is made empty. * The returned pointer has allocated memory, use put_register() later. */ void * get_register( int name, int copy) // make a copy, if FALSE make register empty. { yankreg_T *reg; int i; #ifdef FEAT_CLIPBOARD // When Visual area changed, may have to update selection. Obtain the // selection too. if (name == '*' && clip_star.available) { if (clip_isautosel_star()) clip_update_selection(&clip_star); may_get_selection(name); } if (name == '+' && clip_plus.available) { if (clip_isautosel_plus()) clip_update_selection(&clip_plus); may_get_selection(name); } #endif get_yank_register(name, 0); reg = ALLOC_ONE(yankreg_T); if (reg == NULL) return (void *)NULL; *reg = *y_current; if (copy) { // If we run out of memory some or all of the lines are empty. if (reg->y_size == 0) reg->y_array = NULL; else reg->y_array = ALLOC_MULT(char_u *, reg->y_size); if (reg->y_array != NULL) { for (i = 0; i < reg->y_size; ++i) reg->y_array[i] = vim_strsave(y_current->y_array[i]); } } else y_current->y_array = NULL; return (void *)reg; } /* * Put "reg" into register "name". Free any previous contents and "reg". */ void put_register(int name, void *reg) { get_yank_register(name, 0); free_yank_all(); *y_current = *(yankreg_T *)reg; vim_free(reg); #ifdef FEAT_CLIPBOARD // Send text written to clipboard register to the clipboard. may_set_selection(); #endif } #if defined(FEAT_CLIPBOARD) || defined(PROTO) void free_register(void *reg) { yankreg_T tmp; tmp = *y_current; *y_current = *(yankreg_T *)reg; free_yank_all(); vim_free(reg); *y_current = tmp; } #endif /* * return TRUE if the current yank register has type MLINE */ int yank_register_mline(int regname) { if (regname != 0 && !valid_yank_reg(regname, FALSE)) return FALSE; if (regname == '_') // black hole is always empty return FALSE; get_yank_register(regname, FALSE); return (y_current->y_type == MLINE); } /* * Start or stop recording into a yank register. * * Return FAIL for failure, OK otherwise. */ int do_record(int c) { char_u *p; static int regname; yankreg_T *old_y_previous, *old_y_current; int retval; if (reg_recording == 0) // start recording { // registers 0-9, a-z and " are allowed if (c < 0 || (!ASCII_ISALNUM(c) && c != '"')) retval = FAIL; else { reg_recording = c; showmode(); regname = c; retval = OK; } } else // stop recording { // Get the recorded key hits. K_SPECIAL and CSI will be escaped, this // needs to be removed again to put it in a register. exec_reg then // adds the escaping back later. reg_recording = 0; msg(""); p = get_recorded(); if (p == NULL) retval = FAIL; else { // Remove escaping for CSI and K_SPECIAL in multi-byte chars. vim_unescape_csi(p); // We don't want to change the default register here, so save and // restore the current register name. old_y_previous = y_previous; old_y_current = y_current; retval = stuff_yank(regname, p); y_previous = old_y_previous; y_current = old_y_current; } } return retval; } /* * Stuff string "p" into yank register "regname" as a single line (append if * uppercase). "p" must have been alloced. * * return FAIL for failure, OK otherwise */ static int stuff_yank(int regname, char_u *p) { char_u *lp; char_u **pp; // check for read-only register if (regname != 0 && !valid_yank_reg(regname, TRUE)) { vim_free(p); return FAIL; } if (regname == '_') // black hole: don't do anything { vim_free(p); return OK; } get_yank_register(regname, TRUE); if (y_append && y_current->y_array != NULL) { pp = &(y_current->y_array[y_current->y_size - 1]); lp = alloc(STRLEN(*pp) + STRLEN(p) + 1); if (lp == NULL) { vim_free(p); return FAIL; } STRCPY(lp, *pp); STRCAT(lp, p); vim_free(p); vim_free(*pp); *pp = lp; } else { free_yank_all(); if ((y_current->y_array = ALLOC_ONE(char_u *)) == NULL) { vim_free(p); return FAIL; } y_current->y_array[0] = p; y_current->y_size = 1; y_current->y_type = MCHAR; // used to be MLINE, why? #ifdef FEAT_VIMINFO y_current->y_time_set = vim_time(); #endif } return OK; } /* * Last executed register (@ command) */ static int execreg_lastc = NUL; #if defined(FEAT_VIMINFO) || defined(PROTO) int get_execreg_lastc(void) { return execreg_lastc; } void set_execreg_lastc(int lastc) { execreg_lastc = lastc; } #endif /* * When executing a register as a series of ex-commands, if the * line-continuation character is used for a line, then join it with one or * more previous lines. Note that lines are processed backwards starting from * the last line in the register. * * Arguments: * lines - list of lines in the register * idx - index of the line starting with \ or "\. Join this line with all the * immediate predecessor lines that start with a \ and the first line * that doesn't start with a \. Lines that start with a comment "\ * character are ignored. * * Returns the concatenated line. The index of the line that should be * processed next is returned in idx. */ static char_u * execreg_line_continuation(char_u **lines, long *idx) { garray_T ga; long i = *idx; char_u *p; int cmd_start; int cmd_end = i; int j; char_u *str; ga_init2(&ga, sizeof(char_u), 400); // search backwards to find the first line of this command. // Any line not starting with \ or "\ is the start of the // command. while (--i > 0) { p = skipwhite(lines[i]); if (*p != '\\' && (p[0] != '"' || p[1] != '\\' || p[2] != ' ')) break; } cmd_start = i; // join all the lines ga_concat(&ga, lines[cmd_start]); for (j = cmd_start + 1; j <= cmd_end; j++) { p = skipwhite(lines[j]); if (*p == '\\') { // Adjust the growsize to the current length to // speed up concatenating many lines. if (ga.ga_len > 400) { if (ga.ga_len > 8000) ga.ga_growsize = 8000; else ga.ga_growsize = ga.ga_len; } ga_concat(&ga, p + 1); } } ga_append(&ga, NUL); str = vim_strsave(ga.ga_data); ga_clear(&ga); *idx = i; return str; } /* * Execute a yank register: copy it into the stuff buffer. * * Return FAIL for failure, OK otherwise. */ int do_execreg( int regname, int colon, // insert ':' before each line int addcr, // always add '\n' to end of line int silent) // set "silent" flag in typeahead buffer { long i; char_u *p; int retval = OK; int remap; // repeat previous one if (regname == '@') { if (execreg_lastc == NUL) { emsg(_(e_no_previously_used_register)); return FAIL; } regname = execreg_lastc; } // check for valid regname if (regname == '%' || regname == '#' || !valid_yank_reg(regname, FALSE)) { emsg_invreg(regname); return FAIL; } execreg_lastc = regname; #ifdef FEAT_CLIPBOARD regname = may_get_selection(regname); #endif // black hole: don't stuff anything if (regname == '_') return OK; // use last command line if (regname == ':') { if (last_cmdline == NULL) { emsg(_(e_no_previous_command_line)); return FAIL; } // don't keep the cmdline containing @: VIM_CLEAR(new_last_cmdline); // Escape all control characters with a CTRL-V p = vim_strsave_escaped_ext(last_cmdline, (char_u *)"\001\002\003\004\005\006\007" "\010\011\012\013\014\015\016\017" "\020\021\022\023\024\025\026\027" "\030\031\032\033\034\035\036\037", Ctrl_V, FALSE); if (p != NULL) { // When in Visual mode "'<,'>" will be prepended to the command. // Remove it when it's already there. if (VIsual_active && STRNCMP(p, "'<,'>", 5) == 0) retval = put_in_typebuf(p + 5, TRUE, TRUE, silent); else retval = put_in_typebuf(p, TRUE, TRUE, silent); } vim_free(p); } #ifdef FEAT_EVAL else if (regname == '=') { p = get_expr_line(); if (p == NULL) return FAIL; retval = put_in_typebuf(p, TRUE, colon, silent); vim_free(p); } #endif else if (regname == '.') // use last inserted text { p = get_last_insert_save(); if (p == NULL) { emsg(_(e_no_inserted_text_yet)); return FAIL; } retval = put_in_typebuf(p, FALSE, colon, silent); vim_free(p); } else { get_yank_register(regname, FALSE); if (y_current->y_array == NULL) return FAIL; // Disallow remapping for ":@r". remap = colon ? REMAP_NONE : REMAP_YES; // Insert lines into typeahead buffer, from last one to first one. put_reedit_in_typebuf(silent); for (i = y_current->y_size; --i >= 0; ) { char_u *escaped; char_u *str; int free_str = FALSE; // insert NL between lines and after last line if type is MLINE if (y_current->y_type == MLINE || i < y_current->y_size - 1 || addcr) { if (ins_typebuf((char_u *)"\n", remap, 0, TRUE, silent) == FAIL) return FAIL; } // Handle line-continuation for :@ str = y_current->y_array[i]; if (colon && i > 0) { p = skipwhite(str); if (*p == '\\' || (p[0] == '"' && p[1] == '\\' && p[2] == ' ')) { str = execreg_line_continuation(y_current->y_array, &i); if (str == NULL) return FAIL; free_str = TRUE; } } escaped = vim_strsave_escape_csi(str); if (free_str) vim_free(str); if (escaped == NULL) return FAIL; retval = ins_typebuf(escaped, remap, 0, TRUE, silent); vim_free(escaped); if (retval == FAIL) return FAIL; if (colon && ins_typebuf((char_u *)":", remap, 0, TRUE, silent) == FAIL) return FAIL; } reg_executing = regname == 0 ? '"' : regname; // disable "q" command } return retval; } /* * If "restart_edit" is not zero, put it in the typeahead buffer, so that it's * used only after other typeahead has been processed. */ static void put_reedit_in_typebuf(int silent) { char_u buf[3]; if (restart_edit == NUL) return; if (restart_edit == 'V') { buf[0] = 'g'; buf[1] = 'R'; buf[2] = NUL; } else { buf[0] = restart_edit == 'I' ? 'i' : restart_edit; buf[1] = NUL; } if (ins_typebuf(buf, REMAP_NONE, 0, TRUE, silent) == OK) restart_edit = NUL; } /* * Insert register contents "s" into the typeahead buffer, so that it will be * executed again. * When "esc" is TRUE it is to be taken literally: Escape CSI characters and * no remapping. */ static int put_in_typebuf( char_u *s, int esc, int colon, // add ':' before the line int silent) { int retval = OK; put_reedit_in_typebuf(silent); if (colon) retval = ins_typebuf((char_u *)"\n", REMAP_NONE, 0, TRUE, silent); if (retval == OK) { char_u *p; if (esc) p = vim_strsave_escape_csi(s); else p = s; if (p == NULL) retval = FAIL; else retval = ins_typebuf(p, esc ? REMAP_NONE : REMAP_YES, 0, TRUE, silent); if (esc) vim_free(p); } if (colon && retval == OK) retval = ins_typebuf((char_u *)":", REMAP_NONE, 0, TRUE, silent); return retval; } /* * Insert a yank register: copy it into the Read buffer. * Used by CTRL-R command and middle mouse button in insert mode. * * return FAIL for failure, OK otherwise */ int insert_reg( int regname, int literally_arg) // insert literally, not as if typed { long i; int retval = OK; char_u *arg; int allocated; int literally = literally_arg; // It is possible to get into an endless loop by having CTRL-R a in // register a and then, in insert mode, doing CTRL-R a. // If you hit CTRL-C, the loop will be broken here. ui_breakcheck(); if (got_int) return FAIL; // check for valid regname if (regname != NUL && !valid_yank_reg(regname, FALSE)) return FAIL; #ifdef FEAT_CLIPBOARD regname = may_get_selection(regname); #endif if (regname == '.') // insert last inserted text retval = stuff_inserted(NUL, 1L, TRUE); else if (get_spec_reg(regname, &arg, &allocated, TRUE)) { if (arg == NULL) return FAIL; stuffescaped(arg, literally); if (allocated) vim_free(arg); } else // name or number register { if (get_yank_register(regname, FALSE)) literally = TRUE; if (y_current->y_array == NULL) retval = FAIL; else { for (i = 0; i < y_current->y_size; ++i) { if (regname == '-') { AppendCharToRedobuff(Ctrl_R); AppendCharToRedobuff(regname); do_put(regname, NULL, BACKWARD, 1L, PUT_CURSEND); } else stuffescaped(y_current->y_array[i], literally); // Insert a newline between lines and after last line if // y_type is MLINE. if (y_current->y_type == MLINE || i < y_current->y_size - 1) stuffcharReadbuff('\n'); } } } return retval; } /* * If "regname" is a special register, return TRUE and store a pointer to its * value in "argp". */ int get_spec_reg( int regname, char_u **argp, int *allocated, // return: TRUE when value was allocated int errmsg) // give error message when failing { int cnt; *argp = NULL; *allocated = FALSE; switch (regname) { case '%': // file name if (errmsg) check_fname(); // will give emsg if not set *argp = curbuf->b_fname; return TRUE; case '#': // alternate file name *argp = getaltfname(errmsg); // may give emsg if not set return TRUE; #ifdef FEAT_EVAL case '=': // result of expression *argp = get_expr_line(); *allocated = TRUE; return TRUE; #endif case ':': // last command line if (last_cmdline == NULL && errmsg) emsg(_(e_no_previous_command_line)); *argp = last_cmdline; return TRUE; case '/': // last search-pattern if (last_search_pat() == NULL && errmsg) emsg(_(e_no_previous_regular_expression)); *argp = last_search_pat(); return TRUE; case '.': // last inserted text *argp = get_last_insert_save(); *allocated = TRUE; if (*argp == NULL && errmsg) emsg(_(e_no_inserted_text_yet)); return TRUE; case Ctrl_F: // Filename under cursor case Ctrl_P: // Path under cursor, expand via "path" if (!errmsg) return FALSE; *argp = file_name_at_cursor(FNAME_MESS | FNAME_HYP | (regname == Ctrl_P ? FNAME_EXP : 0), 1L, NULL); *allocated = TRUE; return TRUE; case Ctrl_W: // word under cursor case Ctrl_A: // WORD (mnemonic All) under cursor if (!errmsg) return FALSE; cnt = find_ident_under_cursor(argp, regname == Ctrl_W ? (FIND_IDENT|FIND_STRING) : FIND_STRING); *argp = cnt ? vim_strnsave(*argp, cnt) : NULL; *allocated = TRUE; return TRUE; case Ctrl_L: // Line under cursor if (!errmsg) return FALSE; *argp = ml_get_buf(curwin->w_buffer, curwin->w_cursor.lnum, FALSE); return TRUE; case '_': // black hole: always empty *argp = (char_u *)""; return TRUE; } return FALSE; } /* * Paste a yank register into the command line. * Only for non-special registers. * Used by CTRL-R command in command-line mode * insert_reg() can't be used here, because special characters from the * register contents will be interpreted as commands. * * return FAIL for failure, OK otherwise */ int cmdline_paste_reg( int regname, int literally_arg, // Insert text literally instead of "as typed" int remcr) // don't add CR characters { long i; int literally = literally_arg; if (get_yank_register(regname, FALSE)) literally = TRUE; if (y_current->y_array == NULL) return FAIL; for (i = 0; i < y_current->y_size; ++i) { cmdline_paste_str(y_current->y_array[i], literally); // Insert ^M between lines and after last line if type is MLINE. // Don't do this when "remcr" is TRUE. if ((y_current->y_type == MLINE || i < y_current->y_size - 1) && !remcr) cmdline_paste_str((char_u *)"\r", literally); // Check for CTRL-C, in case someone tries to paste a few thousand // lines and gets bored. ui_breakcheck(); if (got_int) return FAIL; } return OK; } /* * Shift the delete registers: "9 is cleared, "8 becomes "9, etc. */ void shift_delete_registers(void) { int n; y_current = &y_regs[9]; free_yank_all(); // free register nine for (n = 9; n > 1; --n) y_regs[n] = y_regs[n - 1]; y_current = &y_regs[1]; if (!y_append) y_previous = y_current; y_regs[1].y_array = NULL; // set register one to empty } #if defined(FEAT_EVAL) void yank_do_autocmd(oparg_T *oap, yankreg_T *reg) { static int recursive = FALSE; dict_T *v_event; list_T *list; int n; char_u buf[NUMBUFLEN + 2]; long reglen = 0; save_v_event_T save_v_event; if (recursive) return; v_event = get_v_event(&save_v_event); list = list_alloc(); if (list == NULL) return; // yanked text contents for (n = 0; n < reg->y_size; n++) list_append_string(list, reg->y_array[n], -1); list->lv_lock = VAR_FIXED; (void)dict_add_list(v_event, "regcontents", list); // register name or empty string for unnamed operation buf[0] = (char_u)oap->regname; buf[1] = NUL; (void)dict_add_string(v_event, "regname", buf); // motion type: inclusive or exclusive (void)dict_add_bool(v_event, "inclusive", oap->inclusive); // kind of operation (yank, delete, change) buf[0] = get_op_char(oap->op_type); buf[1] = get_extra_op_char(oap->op_type); buf[2] = NUL; (void)dict_add_string(v_event, "operator", buf); // register type buf[0] = NUL; buf[1] = NUL; switch (get_reg_type(oap->regname, ®len)) { case MLINE: buf[0] = 'V'; break; case MCHAR: buf[0] = 'v'; break; case MBLOCK: vim_snprintf((char *)buf, sizeof(buf), "%c%ld", Ctrl_V, reglen + 1); break; } (void)dict_add_string(v_event, "regtype", buf); // selection type - visual or not (void)dict_add_bool(v_event, "visual", oap->is_VIsual); // Lock the dictionary and its keys dict_set_items_ro(v_event); recursive = TRUE; textlock++; apply_autocmds(EVENT_TEXTYANKPOST, NULL, NULL, FALSE, curbuf); textlock--; recursive = FALSE; // Empty the dictionary, v:event is still valid restore_v_event(v_event, &save_v_event); } #endif /* * set all the yank registers to empty (called from main()) */ void init_yank(void) { int i; for (i = 0; i < NUM_REGISTERS; ++i) y_regs[i].y_array = NULL; } #if defined(EXITFREE) || defined(PROTO) void clear_registers(void) { int i; for (i = 0; i < NUM_REGISTERS; ++i) { y_current = &y_regs[i]; if (y_current->y_array != NULL) free_yank_all(); } } #endif /* * Free "n" lines from the current yank register. * Called for normal freeing and in case of error. */ static void free_yank(long n) { if (y_current->y_array == NULL) return; long i; for (i = n; --i >= 0; ) vim_free(y_current->y_array[i]); VIM_CLEAR(y_current->y_array); } void free_yank_all(void) { free_yank(y_current->y_size); } /* * Yank the text between "oap->start" and "oap->end" into a yank register. * If we are to append (uppercase register), we first yank into a new yank * register and then concatenate the old and the new one (so we keep the old * one in case of out-of-memory). * * Return FAIL for failure, OK otherwise. */ int op_yank(oparg_T *oap, int deleting, int mess) { long y_idx; // index in y_array[] yankreg_T *curr; // copy of y_current yankreg_T newreg; // new yank register when appending char_u **new_ptr; linenr_T lnum; // current line number long j; int yanktype = oap->motion_type; long yanklines = oap->line_count; linenr_T yankendlnum = oap->end.lnum; char_u *p; char_u *pnew; struct block_def bd; #if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) int did_star = FALSE; #endif // check for read-only register if (oap->regname != 0 && !valid_yank_reg(oap->regname, TRUE)) { beep_flush(); return FAIL; } if (oap->regname == '_') // black hole: nothing to do return OK; #ifdef FEAT_CLIPBOARD if (!clip_star.available && oap->regname == '*') oap->regname = 0; else if (!clip_plus.available && oap->regname == '+') oap->regname = 0; #endif if (!deleting) // op_delete() already set y_current get_yank_register(oap->regname, TRUE); curr = y_current; // append to existing contents if (y_append && y_current->y_array != NULL) y_current = &newreg; else free_yank_all(); // free previously yanked lines // If the cursor was in column 1 before and after the movement, and the // operator is not inclusive, the yank is always linewise. if ( oap->motion_type == MCHAR && oap->start.col == 0 && !oap->inclusive && (!oap->is_VIsual || *p_sel == 'o') && !oap->block_mode && oap->end.col == 0 && yanklines > 1) { yanktype = MLINE; --yankendlnum; --yanklines; } y_current->y_size = yanklines; y_current->y_type = yanktype; // set the yank register type y_current->y_width = 0; y_current->y_array = lalloc_clear(sizeof(char_u *) * yanklines, TRUE); if (y_current->y_array == NULL) { y_current = curr; return FAIL; } #ifdef FEAT_VIMINFO y_current->y_time_set = vim_time(); #endif y_idx = 0; lnum = oap->start.lnum; if (oap->block_mode) { // Visual block mode y_current->y_type = MBLOCK; // set the yank register type y_current->y_width = oap->end_vcol - oap->start_vcol; if (curwin->w_curswant == MAXCOL && y_current->y_width > 0) y_current->y_width--; } for ( ; lnum <= yankendlnum; lnum++, y_idx++) { switch (y_current->y_type) { case MBLOCK: block_prep(oap, &bd, lnum, FALSE); if (yank_copy_line(&bd, y_idx, oap->excl_tr_ws) == FAIL) goto fail; break; case MLINE: if ((y_current->y_array[y_idx] = vim_strsave(ml_get(lnum))) == NULL) goto fail; break; case MCHAR: { colnr_T startcol = 0, endcol = MAXCOL; int is_oneChar = FALSE; colnr_T cs, ce; p = ml_get(lnum); bd.startspaces = 0; bd.endspaces = 0; if (lnum == oap->start.lnum) { startcol = oap->start.col; if (virtual_op) { getvcol(curwin, &oap->start, &cs, NULL, &ce); if (ce != cs && oap->start.coladd > 0) { // Part of a tab selected -- but don't // double-count it. bd.startspaces = (ce - cs + 1) - oap->start.coladd; if (bd.startspaces < 0) bd.startspaces = 0; startcol++; } } } if (lnum == oap->end.lnum) { endcol = oap->end.col; if (virtual_op) { getvcol(curwin, &oap->end, &cs, NULL, &ce); if (p[endcol] == NUL || (cs + oap->end.coladd < ce // Don't add space for double-wide // char; endcol will be on last byte // of multi-byte char. && (*mb_head_off)(p, p + endcol) == 0)) { if (oap->start.lnum == oap->end.lnum && oap->start.col == oap->end.col) { // Special case: inside a single char is_oneChar = TRUE; bd.startspaces = oap->end.coladd - oap->start.coladd + oap->inclusive; endcol = startcol; } else { bd.endspaces = oap->end.coladd + oap->inclusive; endcol -= oap->inclusive; } } } } if (endcol == MAXCOL) endcol = (colnr_T)STRLEN(p); if (startcol > endcol || is_oneChar) bd.textlen = 0; else bd.textlen = endcol - startcol + oap->inclusive; bd.textstart = p + startcol; if (yank_copy_line(&bd, y_idx, FALSE) == FAIL) goto fail; break; } // NOTREACHED } } if (curr != y_current) // append the new block to the old block { new_ptr = ALLOC_MULT(char_u *, curr->y_size + y_current->y_size); if (new_ptr == NULL) goto fail; for (j = 0; j < curr->y_size; ++j) new_ptr[j] = curr->y_array[j]; vim_free(curr->y_array); curr->y_array = new_ptr; #ifdef FEAT_VIMINFO curr->y_time_set = vim_time(); #endif if (yanktype == MLINE) // MLINE overrides MCHAR and MBLOCK curr->y_type = MLINE; // Concatenate the last line of the old block with the first line of // the new block, unless being Vi compatible. if (curr->y_type == MCHAR && vim_strchr(p_cpo, CPO_REGAPPEND) == NULL) { pnew = alloc(STRLEN(curr->y_array[curr->y_size - 1]) + STRLEN(y_current->y_array[0]) + 1); if (pnew == NULL) { y_idx = y_current->y_size - 1; goto fail; } STRCPY(pnew, curr->y_array[--j]); STRCAT(pnew, y_current->y_array[0]); vim_free(curr->y_array[j]); vim_free(y_current->y_array[0]); curr->y_array[j++] = pnew; y_idx = 1; } else y_idx = 0; while (y_idx < y_current->y_size) curr->y_array[j++] = y_current->y_array[y_idx++]; curr->y_size = j; vim_free(y_current->y_array); y_current = curr; } if (mess) // Display message about yank? { if (yanktype == MCHAR && !oap->block_mode && yanklines == 1) yanklines = 0; // Some versions of Vi use ">=" here, some don't... if (yanklines > p_report) { char namebuf[100]; if (oap->regname == NUL) *namebuf = NUL; else vim_snprintf(namebuf, sizeof(namebuf), _(" into \"%c"), oap->regname); // redisplay now, so message is not deleted update_topline_redraw(); if (oap->block_mode) { smsg(NGETTEXT("block of %ld line yanked%s", "block of %ld lines yanked%s", yanklines), yanklines, namebuf); } else { smsg(NGETTEXT("%ld line yanked%s", "%ld lines yanked%s", yanklines), yanklines, namebuf); } } } if ((cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0) { // Set "'[" and "']" marks. curbuf->b_op_start = oap->start; curbuf->b_op_end = oap->end; if (yanktype == MLINE && !oap->block_mode) { curbuf->b_op_start.col = 0; curbuf->b_op_end.col = MAXCOL; } } #ifdef FEAT_CLIPBOARD // If we were yanking to the '*' register, send result to clipboard. // If no register was specified, and "unnamed" in 'clipboard', make a copy // to the '*' register. if (clip_star.available && (curr == &(y_regs[STAR_REGISTER]) || (!deleting && oap->regname == 0 && ((clip_unnamed | clip_unnamed_saved) & CLIP_UNNAMED)))) { if (curr != &(y_regs[STAR_REGISTER])) // Copy the text from register 0 to the clipboard register. copy_yank_reg(&(y_regs[STAR_REGISTER])); clip_own_selection(&clip_star); clip_gen_set_selection(&clip_star); # ifdef FEAT_X11 did_star = TRUE; # endif } # ifdef FEAT_X11 // If we were yanking to the '+' register, send result to selection. // Also copy to the '*' register, in case auto-select is off. But not when // 'clipboard' has "unnamedplus" and not "unnamed"; and not when // deleting and both "unnamedplus" and "unnamed". if (clip_plus.available && (curr == &(y_regs[PLUS_REGISTER]) || (!deleting && oap->regname == 0 && ((clip_unnamed | clip_unnamed_saved) & CLIP_UNNAMED_PLUS)))) { if (curr != &(y_regs[PLUS_REGISTER])) // Copy the text from register 0 to the clipboard register. copy_yank_reg(&(y_regs[PLUS_REGISTER])); clip_own_selection(&clip_plus); clip_gen_set_selection(&clip_plus); if (!clip_isautosel_star() && !clip_isautosel_plus() && !((clip_unnamed | clip_unnamed_saved) == CLIP_UNNAMED_PLUS) && !(deleting && (clip_unnamed | clip_unnamed_saved) == (CLIP_UNNAMED | CLIP_UNNAMED_PLUS)) && !did_star && curr == &(y_regs[PLUS_REGISTER])) { copy_yank_reg(&(y_regs[STAR_REGISTER])); clip_own_selection(&clip_star); clip_gen_set_selection(&clip_star); } } # endif #endif #if defined(FEAT_EVAL) if (!deleting && has_textyankpost()) yank_do_autocmd(oap, y_current); #endif return OK; fail: // free the allocated lines free_yank(y_idx + 1); y_current = curr; return FAIL; } /* * Copy a block range into a register. * If "exclude_trailing_space" is set, do not copy trailing whitespaces. */ static int yank_copy_line(struct block_def *bd, long y_idx, int exclude_trailing_space) { char_u *pnew; if (exclude_trailing_space) bd->endspaces = 0; if ((pnew = alloc(bd->startspaces + bd->endspaces + bd->textlen + 1)) == NULL) return FAIL; y_current->y_array[y_idx] = pnew; vim_memset(pnew, ' ', (size_t)bd->startspaces); pnew += bd->startspaces; mch_memmove(pnew, bd->textstart, (size_t)bd->textlen); pnew += bd->textlen; vim_memset(pnew, ' ', (size_t)bd->endspaces); pnew += bd->endspaces; if (exclude_trailing_space) { int s = bd->textlen + bd->endspaces; while (s > 0 && VIM_ISWHITE(*(bd->textstart + s - 1))) { s = s - (*mb_head_off)(bd->textstart, bd->textstart + s - 1) - 1; pnew--; } } *pnew = NUL; return OK; } #ifdef FEAT_CLIPBOARD /* * Make a copy of the y_current register to register "reg". */ static void copy_yank_reg(yankreg_T *reg) { yankreg_T *curr = y_current; long j; y_current = reg; free_yank_all(); *y_current = *curr; y_current->y_array = lalloc_clear( sizeof(char_u *) * y_current->y_size, TRUE); if (y_current->y_array == NULL) y_current->y_size = 0; else for (j = 0; j < y_current->y_size; ++j) if ((y_current->y_array[j] = vim_strsave(curr->y_array[j])) == NULL) { free_yank(j); y_current->y_size = 0; break; } y_current = curr; } #endif /* * Put contents of register "regname" into the text. * Caller must check "regname" to be valid! * "flags": PUT_FIXINDENT make indent look nice * PUT_CURSEND leave cursor after end of new text * PUT_LINE force linewise put (":put") * PUT_BLOCK_INNER in block mode, do not add trailing spaces */ void do_put( int regname, char_u *expr_result, // result for regname "=" when compiled int dir, // BACKWARD for 'P', FORWARD for 'p' long count, int flags) { char_u *ptr; char_u *newp, *oldp; int yanklen; int totlen = 0; // init for gcc linenr_T lnum; colnr_T col; long i; // index in y_array[] int y_type; long y_size; int oldlen; long y_width = 0; colnr_T vcol; int delcount; int incr = 0; long j; struct block_def bd; char_u **y_array = NULL; yankreg_T *y_current_used = NULL; long nr_lines = 0; pos_T new_cursor; int indent; int orig_indent = 0; // init for gcc int indent_diff = 0; // init for gcc int first_indent = TRUE; int lendiff = 0; pos_T old_pos; char_u *insert_string = NULL; int allocated = FALSE; long cnt; pos_T orig_start = curbuf->b_op_start; pos_T orig_end = curbuf->b_op_end; unsigned int cur_ve_flags = get_ve_flags(); #ifdef FEAT_CLIPBOARD // Adjust register name for "unnamed" in 'clipboard'. adjust_clip_reg(®name); (void)may_get_selection(regname); #endif if (flags & PUT_FIXINDENT) orig_indent = get_indent(); curbuf->b_op_start = curwin->w_cursor; // default for '[ mark curbuf->b_op_end = curwin->w_cursor; // default for '] mark // Using inserted text works differently, because the register includes // special characters (newlines, etc.). if (regname == '.') { if (VIsual_active) stuffcharReadbuff(VIsual_mode); (void)stuff_inserted((dir == FORWARD ? (count == -1 ? 'o' : 'a') : (count == -1 ? 'O' : 'i')), count, FALSE); // Putting the text is done later, so can't really move the cursor to // the next character. Use "l" to simulate it. if ((flags & PUT_CURSEND) && gchar_cursor() != NUL) stuffcharReadbuff('l'); return; } // For special registers '%' (file name), '#' (alternate file name) and // ':' (last command line), etc. we have to create a fake yank register. // For compiled code "expr_result" holds the expression result. if (regname == '=' && expr_result != NULL) insert_string = expr_result; else if (get_spec_reg(regname, &insert_string, &allocated, TRUE) && insert_string == NULL) return; // Autocommands may be executed when saving lines for undo. This might // make "y_array" invalid, so we start undo now to avoid that. if (u_save(curwin->w_cursor.lnum, curwin->w_cursor.lnum + 1) == FAIL) goto end; if (insert_string != NULL) { y_type = MCHAR; #ifdef FEAT_EVAL if (regname == '=') { // For the = register we need to split the string at NL // characters. // Loop twice: count the number of lines and save them. for (;;) { y_size = 0; ptr = insert_string; while (ptr != NULL) { if (y_array != NULL) y_array[y_size] = ptr; ++y_size; ptr = vim_strchr(ptr, '\n'); if (ptr != NULL) { if (y_array != NULL) *ptr = NUL; ++ptr; // A trailing '\n' makes the register linewise. if (*ptr == NUL) { y_type = MLINE; break; } } } if (y_array != NULL) break; y_array = ALLOC_MULT(char_u *, y_size); if (y_array == NULL) goto end; } } else #endif { y_size = 1; // use fake one-line yank register y_array = &insert_string; } } else { get_yank_register(regname, FALSE); y_type = y_current->y_type; y_width = y_current->y_width; y_size = y_current->y_size; y_array = y_current->y_array; y_current_used = y_current; } if (y_type == MLINE) { if (flags & PUT_LINE_SPLIT) { char_u *p; // "p" or "P" in Visual mode: split the lines to put the text in // between. if (u_save_cursor() == FAIL) goto end; p = ml_get_cursor(); if (dir == FORWARD && *p != NUL) MB_PTR_ADV(p); ptr = vim_strsave(p); if (ptr == NULL) goto end; ml_append(curwin->w_cursor.lnum, ptr, (colnr_T)0, FALSE); vim_free(ptr); oldp = ml_get_curline(); p = oldp + curwin->w_cursor.col; if (dir == FORWARD && *p != NUL) MB_PTR_ADV(p); ptr = vim_strnsave(oldp, p - oldp); if (ptr == NULL) goto end; ml_replace(curwin->w_cursor.lnum, ptr, FALSE); ++nr_lines; dir = FORWARD; } if (flags & PUT_LINE_FORWARD) { // Must be "p" for a Visual block, put lines below the block. curwin->w_cursor = curbuf->b_visual.vi_end; dir = FORWARD; } curbuf->b_op_start = curwin->w_cursor; // default for '[ mark curbuf->b_op_end = curwin->w_cursor; // default for '] mark } if (flags & PUT_LINE) // :put command or "p" in Visual line mode. y_type = MLINE; if (y_size == 0 || y_array == NULL) { semsg(_(e_nothing_in_register_str), regname == 0 ? (char_u *)"\"" : transchar(regname)); goto end; } if (y_type == MBLOCK) { lnum = curwin->w_cursor.lnum + y_size + 1; if (lnum > curbuf->b_ml.ml_line_count) lnum = curbuf->b_ml.ml_line_count + 1; if (u_save(curwin->w_cursor.lnum - 1, lnum) == FAIL) goto end; } else if (y_type == MLINE) { lnum = curwin->w_cursor.lnum; #ifdef FEAT_FOLDING // Correct line number for closed fold. Don't move the cursor yet, // u_save() uses it. if (dir == BACKWARD) (void)hasFolding(lnum, &lnum, NULL); else (void)hasFolding(lnum, NULL, &lnum); #endif if (dir == FORWARD) ++lnum; // In an empty buffer the empty line is going to be replaced, include // it in the saved lines. if ((BUFEMPTY() ? u_save(0, 2) : u_save(lnum - 1, lnum)) == FAIL) goto end; #ifdef FEAT_FOLDING if (dir == FORWARD) curwin->w_cursor.lnum = lnum - 1; else curwin->w_cursor.lnum = lnum; curbuf->b_op_start = curwin->w_cursor; // for mark_adjust() #endif } else if (u_save_cursor() == FAIL) goto end; yanklen = (int)STRLEN(y_array[0]); if (cur_ve_flags == VE_ALL && y_type == MCHAR) { if (gchar_cursor() == TAB) { int viscol = getviscol(); int ts = curbuf->b_p_ts; // Don't need to insert spaces when "p" on the last position of a // tab or "P" on the first position. if (dir == FORWARD ? #ifdef FEAT_VARTABS tabstop_padding(viscol, ts, curbuf->b_p_vts_array) != 1 #else ts - (viscol % ts) != 1 #endif : curwin->w_cursor.coladd > 0) coladvance_force(viscol); else curwin->w_cursor.coladd = 0; } else if (curwin->w_cursor.coladd > 0 || gchar_cursor() == NUL) coladvance_force(getviscol() + (dir == FORWARD)); } lnum = curwin->w_cursor.lnum; col = curwin->w_cursor.col; // Block mode if (y_type == MBLOCK) { int c = gchar_cursor(); colnr_T endcol2 = 0; if (dir == FORWARD && c != NUL) { if (cur_ve_flags == VE_ALL) getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); else getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col); if (has_mbyte) // move to start of next multi-byte character curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor()); else if (c != TAB || cur_ve_flags != VE_ALL) ++curwin->w_cursor.col; ++col; } else getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); col += curwin->w_cursor.coladd; if (cur_ve_flags == VE_ALL && (curwin->w_cursor.coladd > 0 || endcol2 == curwin->w_cursor.col)) { if (dir == FORWARD && c == NUL) ++col; if (dir != FORWARD && c != NUL && curwin->w_cursor.coladd > 0) ++curwin->w_cursor.col; if (c == TAB) { if (dir == BACKWARD && curwin->w_cursor.col) curwin->w_cursor.col--; if (dir == FORWARD && col - 1 == endcol2) curwin->w_cursor.col++; } } curwin->w_cursor.coladd = 0; bd.textcol = 0; for (i = 0; i < y_size; ++i) { int spaces = 0; char shortline; chartabsize_T cts; bd.startspaces = 0; bd.endspaces = 0; vcol = 0; delcount = 0; // add a new line if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) { if (ml_append(curbuf->b_ml.ml_line_count, (char_u *)"", (colnr_T)1, FALSE) == FAIL) break; ++nr_lines; } // get the old line and advance to the position to insert at oldp = ml_get_curline(); oldlen = (int)STRLEN(oldp); init_chartabsize_arg(&cts, curwin, curwin->w_cursor.lnum, 0, oldp, oldp); while (cts.cts_vcol < col && *cts.cts_ptr != NUL) { // Count a tab for what it's worth (if list mode not on) incr = lbr_chartabsize_adv(&cts); cts.cts_vcol += incr; } vcol = cts.cts_vcol; ptr = cts.cts_ptr; bd.textcol = (colnr_T)(ptr - oldp); clear_chartabsize_arg(&cts); shortline = (vcol < col) || (vcol == col && !*ptr) ; if (vcol < col) // line too short, pad with spaces bd.startspaces = col - vcol; else if (vcol > col) { bd.endspaces = vcol - col; bd.startspaces = incr - bd.endspaces; --bd.textcol; delcount = 1; if (has_mbyte) bd.textcol -= (*mb_head_off)(oldp, oldp + bd.textcol); if (oldp[bd.textcol] != TAB) { // Only a Tab can be split into spaces. Other // characters will have to be moved to after the // block, causing misalignment. delcount = 0; bd.endspaces = 0; } } yanklen = (int)STRLEN(y_array[i]); if ((flags & PUT_BLOCK_INNER) == 0) { // calculate number of spaces required to fill right side of // block spaces = y_width + 1; init_chartabsize_arg(&cts, curwin, 0, 0, y_array[i], y_array[i]); for (j = 0; j < yanklen; j++) { spaces -= lbr_chartabsize(&cts); ++cts.cts_ptr; cts.cts_vcol = 0; } clear_chartabsize_arg(&cts); if (spaces < 0) spaces = 0; } // Insert the new text. // First check for multiplication overflow. if (yanklen + spaces != 0 && count > ((INT_MAX - (bd.startspaces + bd.endspaces)) / (yanklen + spaces))) { emsg(_(e_resulting_text_too_long)); break; } totlen = count * (yanklen + spaces) + bd.startspaces + bd.endspaces; newp = alloc(totlen + oldlen + 1); if (newp == NULL) break; // copy part up to cursor to new line ptr = newp; mch_memmove(ptr, oldp, (size_t)bd.textcol); ptr += bd.textcol; // may insert some spaces before the new text vim_memset(ptr, ' ', (size_t)bd.startspaces); ptr += bd.startspaces; // insert the new text for (j = 0; j < count; ++j) { mch_memmove(ptr, y_array[i], (size_t)yanklen); ptr += yanklen; // insert block's trailing spaces only if there's text behind if ((j < count - 1 || !shortline) && spaces > 0) { vim_memset(ptr, ' ', (size_t)spaces); ptr += spaces; } else totlen -= spaces; // didn't use these spaces } // may insert some spaces after the new text vim_memset(ptr, ' ', (size_t)bd.endspaces); ptr += bd.endspaces; // move the text after the cursor to the end of the line. mch_memmove(ptr, oldp + bd.textcol + delcount, (size_t)(oldlen - bd.textcol - delcount + 1)); ml_replace(curwin->w_cursor.lnum, newp, FALSE); ++curwin->w_cursor.lnum; if (i == 0) curwin->w_cursor.col += bd.startspaces; } changed_lines(lnum, 0, curwin->w_cursor.lnum, nr_lines); // Set '[ mark. curbuf->b_op_start = curwin->w_cursor; curbuf->b_op_start.lnum = lnum; // adjust '] mark curbuf->b_op_end.lnum = curwin->w_cursor.lnum - 1; curbuf->b_op_end.col = bd.textcol + totlen - 1; if (curbuf->b_op_end.col < 0) curbuf->b_op_end.col = 0; curbuf->b_op_end.coladd = 0; if (flags & PUT_CURSEND) { colnr_T len; curwin->w_cursor = curbuf->b_op_end; curwin->w_cursor.col++; // in Insert mode we might be after the NUL, correct for that len = (colnr_T)STRLEN(ml_get_curline()); if (curwin->w_cursor.col > len) curwin->w_cursor.col = len; } else curwin->w_cursor.lnum = lnum; } else { // Character or Line mode if (y_type == MCHAR) { // if type is MCHAR, FORWARD is the same as BACKWARD on the next // char if (dir == FORWARD && gchar_cursor() != NUL) { if (has_mbyte) { int bytelen = (*mb_ptr2len)(ml_get_cursor()); // put it on the next of the multi-byte character. col += bytelen; if (yanklen) { curwin->w_cursor.col += bytelen; curbuf->b_op_end.col += bytelen; } } else { ++col; if (yanklen) { ++curwin->w_cursor.col; ++curbuf->b_op_end.col; } } } curbuf->b_op_start = curwin->w_cursor; } // Line mode: BACKWARD is the same as FORWARD on the previous line else if (dir == BACKWARD) --lnum; new_cursor = curwin->w_cursor; // simple case: insert into one line at a time if (y_type == MCHAR && y_size == 1) { linenr_T end_lnum = 0; // init for gcc linenr_T start_lnum = lnum; int first_byte_off = 0; if (VIsual_active) { end_lnum = curbuf->b_visual.vi_end.lnum; if (end_lnum < curbuf->b_visual.vi_start.lnum) end_lnum = curbuf->b_visual.vi_start.lnum; if (end_lnum > start_lnum) { pos_T pos; // "col" is valid for the first line, in following lines // the virtual column needs to be used. Matters for // multi-byte characters. pos.lnum = lnum; pos.col = col; pos.coladd = 0; getvcol(curwin, &pos, NULL, &vcol, NULL); } } if (count == 0 || yanklen == 0) { if (VIsual_active) lnum = end_lnum; } else if (count > INT_MAX / yanklen) // multiplication overflow emsg(_(e_resulting_text_too_long)); else { totlen = count * yanklen; do { oldp = ml_get(lnum); oldlen = (int)STRLEN(oldp); if (lnum > start_lnum) { pos_T pos; pos.lnum = lnum; if (getvpos(&pos, vcol) == OK) col = pos.col; else col = MAXCOL; } if (VIsual_active && col > oldlen) { lnum++; continue; } newp = alloc(totlen + oldlen + 1); if (newp == NULL) goto end; // alloc() gave an error message mch_memmove(newp, oldp, (size_t)col); ptr = newp + col; for (i = 0; i < count; ++i) { mch_memmove(ptr, y_array[0], (size_t)yanklen); ptr += yanklen; } STRMOVE(ptr, oldp + col); // compute the byte offset for the last character first_byte_off = mb_head_off(newp, ptr - 1); // Note: this may free "newp" ml_replace(lnum, newp, FALSE); inserted_bytes(lnum, col, totlen); // Place cursor on last putted char. if (lnum == curwin->w_cursor.lnum) { // make sure curwin->w_virtcol is updated changed_cline_bef_curs(); curwin->w_cursor.col += (colnr_T)(totlen - 1); } if (VIsual_active) lnum++; } while (VIsual_active && lnum <= end_lnum); if (VIsual_active) // reset lnum to the last visual line lnum--; } // put '] at the first byte of the last character curbuf->b_op_end = curwin->w_cursor; curbuf->b_op_end.col -= first_byte_off; // For "CTRL-O p" in Insert mode, put cursor after last char if (totlen && (restart_edit != 0 || (flags & PUT_CURSEND))) ++curwin->w_cursor.col; else curwin->w_cursor.col -= first_byte_off; } else { linenr_T new_lnum = new_cursor.lnum; size_t len; // Insert at least one line. When y_type is MCHAR, break the first // line in two. for (cnt = 1; cnt <= count; ++cnt) { i = 0; if (y_type == MCHAR) { // Split the current line in two at the insert position. // First insert y_array[size - 1] in front of second line. // Then append y_array[0] to first line. lnum = new_cursor.lnum; ptr = ml_get(lnum) + col; totlen = (int)STRLEN(y_array[y_size - 1]); newp = alloc(STRLEN(ptr) + totlen + 1); if (newp == NULL) goto error; STRCPY(newp, y_array[y_size - 1]); STRCAT(newp, ptr); // insert second line ml_append(lnum, newp, (colnr_T)0, FALSE); ++new_lnum; vim_free(newp); oldp = ml_get(lnum); newp = alloc(col + yanklen + 1); if (newp == NULL) goto error; // copy first part of line mch_memmove(newp, oldp, (size_t)col); // append to first line mch_memmove(newp + col, y_array[0], (size_t)(yanklen + 1)); ml_replace(lnum, newp, FALSE); curwin->w_cursor.lnum = lnum; i = 1; } for (; i < y_size; ++i) { if (y_type != MCHAR || i < y_size - 1) { if (ml_append(lnum, y_array[i], (colnr_T)0, FALSE) == FAIL) goto error; new_lnum++; } lnum++; ++nr_lines; if (flags & PUT_FIXINDENT) { old_pos = curwin->w_cursor; curwin->w_cursor.lnum = lnum; ptr = ml_get(lnum); if (cnt == count && i == y_size - 1) lendiff = (int)STRLEN(ptr); if (*ptr == '#' && preprocs_left()) indent = 0; // Leave # lines at start else if (*ptr == NUL) indent = 0; // Ignore empty lines else if (first_indent) { indent_diff = orig_indent - get_indent(); indent = orig_indent; first_indent = FALSE; } else if ((indent = get_indent() + indent_diff) < 0) indent = 0; (void)set_indent(indent, 0); curwin->w_cursor = old_pos; // remember how many chars were removed if (cnt == count && i == y_size - 1) lendiff -= (int)STRLEN(ml_get(lnum)); } } if (cnt == 1) new_lnum = lnum; } error: // Adjust marks. if (y_type == MLINE) { curbuf->b_op_start.col = 0; if (dir == FORWARD) curbuf->b_op_start.lnum++; } mark_adjust(curbuf->b_op_start.lnum + (y_type == MCHAR), (linenr_T)MAXLNUM, nr_lines, 0L); // note changed text for displaying and folding if (y_type == MCHAR) changed_lines(curwin->w_cursor.lnum, col, curwin->w_cursor.lnum + 1, nr_lines); else changed_lines(curbuf->b_op_start.lnum, 0, curbuf->b_op_start.lnum, nr_lines); if (y_current_used != NULL && (y_current_used != y_current || y_current->y_array != y_array)) { // Something invoked through changed_lines() has changed the // yank buffer, e.g. a GUI clipboard callback. emsg(_(e_yank_register_changed_while_using_it)); goto end; } // Put the '] mark on the first byte of the last inserted character. // Correct the length for change in indent. curbuf->b_op_end.lnum = new_lnum; len = STRLEN(y_array[y_size - 1]); col = (colnr_T)len - lendiff; if (col > 1) { curbuf->b_op_end.col = col - 1; if (len > 0) curbuf->b_op_end.col -= mb_head_off(y_array[y_size - 1], y_array[y_size - 1] + len - 1); } else curbuf->b_op_end.col = 0; if (flags & PUT_CURSLINE) { // ":put": put cursor on last inserted line curwin->w_cursor.lnum = lnum; beginline(BL_WHITE | BL_FIX); } else if (flags & PUT_CURSEND) { // put cursor after inserted text if (y_type == MLINE) { if (lnum >= curbuf->b_ml.ml_line_count) curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; else curwin->w_cursor.lnum = lnum + 1; curwin->w_cursor.col = 0; } else { curwin->w_cursor.lnum = new_lnum; curwin->w_cursor.col = col; curbuf->b_op_end = curwin->w_cursor; if (col > 1) curbuf->b_op_end.col = col - 1; } } else if (y_type == MLINE) { // put cursor on first non-blank in first inserted line curwin->w_cursor.col = 0; if (dir == FORWARD) ++curwin->w_cursor.lnum; beginline(BL_WHITE | BL_FIX); } else // put cursor on first inserted character curwin->w_cursor = new_cursor; } } msgmore(nr_lines); curwin->w_set_curswant = TRUE; // Make sure the cursor is not after the NUL. int len = (int)STRLEN(ml_get_curline()); if (curwin->w_cursor.col > len) { if (cur_ve_flags == VE_ALL) curwin->w_cursor.coladd = curwin->w_cursor.col - len; curwin->w_cursor.col = len; } end: if (cmdmod.cmod_flags & CMOD_LOCKMARKS) { curbuf->b_op_start = orig_start; curbuf->b_op_end = orig_end; } if (allocated) vim_free(insert_string); if (regname == '=') vim_free(y_array); VIsual_active = FALSE; // If the cursor is past the end of the line put it at the end. adjust_cursor_eol(); } /* * Return the character name of the register with the given number. */ int get_register_name(int num) { if (num == -1) return '"'; else if (num < 10) return num + '0'; else if (num == DELETION_REGISTER) return '-'; #ifdef FEAT_CLIPBOARD else if (num == STAR_REGISTER) return '*'; else if (num == PLUS_REGISTER) return '+'; #endif else return num + 'a' - 10; } #if defined(FEAT_EVAL) || defined(PROTO) /* * Return the index of the register "" points to. */ int get_unname_register(void) { return y_previous == NULL ? -1 : y_previous - &y_regs[0]; } #endif /* * ":dis" and ":registers": Display the contents of the yank registers. */ void ex_display(exarg_T *eap) { int i, n; long j; char_u *p; yankreg_T *yb; int name; int attr; char_u *arg = eap->arg; int clen; int type; if (arg != NULL && *arg == NUL) arg = NULL; attr = HL_ATTR(HLF_8); // Highlight title msg_puts_title(_("\nType Name Content")); for (i = -1; i < NUM_REGISTERS && !got_int; ++i) { name = get_register_name(i); switch (get_reg_type(name, NULL)) { case MLINE: type = 'l'; break; case MCHAR: type = 'c'; break; default: type = 'b'; break; } if (arg != NULL && vim_strchr(arg, name) == NULL #ifdef ONE_CLIPBOARD // Star register and plus register contain the same thing. && (name != '*' || vim_strchr(arg, '+') == NULL) #endif ) continue; // did not ask for this register #ifdef FEAT_CLIPBOARD // Adjust register name for "unnamed" in 'clipboard'. // When it's a clipboard register, fill it with the current contents // of the clipboard. adjust_clip_reg(&name); (void)may_get_selection(name); #endif if (i == -1) { if (y_previous != NULL) yb = y_previous; else yb = &(y_regs[0]); } else yb = &(y_regs[i]); #ifdef FEAT_EVAL if (name == MB_TOLOWER(redir_reg) || (redir_reg == '"' && yb == y_previous)) continue; // do not list register being written to, the // pointer can be freed #endif if (yb->y_array != NULL) { int do_show = FALSE; for (j = 0; !do_show && j < yb->y_size; ++j) do_show = !message_filtered(yb->y_array[j]); if (do_show || yb->y_size == 0) { msg_putchar('\n'); msg_puts(" "); msg_putchar(type); msg_puts(" "); msg_putchar('"'); msg_putchar(name); msg_puts(" "); n = (int)Columns - 11; for (j = 0; j < yb->y_size && n > 1; ++j) { if (j) { msg_puts_attr("^J", attr); n -= 2; } for (p = yb->y_array[j]; *p != NUL && (n -= ptr2cells(p)) >= 0; ++p) { clen = (*mb_ptr2len)(p); msg_outtrans_len(p, clen); p += clen - 1; } } if (n > 1 && yb->y_type == MLINE) msg_puts_attr("^J", attr); out_flush(); // show one line at a time } ui_breakcheck(); } } // display last inserted text if ((p = get_last_insert()) != NULL && (arg == NULL || vim_strchr(arg, '.') != NULL) && !got_int && !message_filtered(p)) { msg_puts("\n c \". "); dis_msg(p, TRUE); } // display last command line if (last_cmdline != NULL && (arg == NULL || vim_strchr(arg, ':') != NULL) && !got_int && !message_filtered(last_cmdline)) { msg_puts("\n c \": "); dis_msg(last_cmdline, FALSE); } // display current file name if (curbuf->b_fname != NULL && (arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int && !message_filtered(curbuf->b_fname)) { msg_puts("\n c \"% "); dis_msg(curbuf->b_fname, FALSE); } // display alternate file name if ((arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int) { char_u *fname; linenr_T dummy; if (buflist_name_nr(0, &fname, &dummy) != FAIL && !message_filtered(fname)) { msg_puts("\n c \"# "); dis_msg(fname, FALSE); } } // display last search pattern if (last_search_pat() != NULL && (arg == NULL || vim_strchr(arg, '/') != NULL) && !got_int && !message_filtered(last_search_pat())) { msg_puts("\n c \"/ "); dis_msg(last_search_pat(), FALSE); } #ifdef FEAT_EVAL // display last used expression if (expr_line != NULL && (arg == NULL || vim_strchr(arg, '=') != NULL) && !got_int && !message_filtered(expr_line)) { msg_puts("\n c \"= "); dis_msg(expr_line, FALSE); } #endif } /* * display a string for do_dis() * truncate at end of screen line */ static void dis_msg( char_u *p, int skip_esc) // if TRUE, ignore trailing ESC { int n; int l; n = (int)Columns - 6; while (*p != NUL && !(*p == ESC && skip_esc && *(p + 1) == NUL) && (n -= ptr2cells(p)) >= 0) { if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) { msg_outtrans_len(p, l); p += l; } else msg_outtrans_len(p++, 1); } ui_breakcheck(); } #if defined(FEAT_DND) || defined(PROTO) /* * Replace the contents of the '~' register with str. */ void dnd_yank_drag_data(char_u *str, long len) { yankreg_T *curr; curr = y_current; y_current = &y_regs[TILDE_REGISTER]; free_yank_all(); str_to_reg(y_current, MCHAR, str, len, 0L, FALSE); y_current = curr; } #endif /* * Return the type of a register. * Used for getregtype() * Returns MAUTO for error. */ char_u get_reg_type(int regname, long *reglen) { switch (regname) { case '%': // file name case '#': // alternate file name case '=': // expression case ':': // last command line case '/': // last search-pattern case '.': // last inserted text case Ctrl_F: // Filename under cursor case Ctrl_P: // Path under cursor, expand via "path" case Ctrl_W: // word under cursor case Ctrl_A: // WORD (mnemonic All) under cursor case '_': // black hole: always empty return MCHAR; } # ifdef FEAT_CLIPBOARD regname = may_get_selection(regname); # endif if (regname != NUL && !valid_yank_reg(regname, FALSE)) return MAUTO; get_yank_register(regname, FALSE); if (y_current->y_array != NULL) { if (reglen != NULL && y_current->y_type == MBLOCK) *reglen = y_current->y_width; return y_current->y_type; } return MAUTO; } #if defined(FEAT_EVAL) || defined(PROTO) /* * When "flags" has GREG_LIST return a list with text "s". * Otherwise just return "s". */ static char_u * getreg_wrap_one_line(char_u *s, int flags) { if (flags & GREG_LIST) { list_T *list = list_alloc(); if (list != NULL) { if (list_append_string(list, NULL, -1) == FAIL) { list_free(list); return NULL; } list->lv_first->li_tv.vval.v_string = s; } return (char_u *)list; } return s; } /* * Return the contents of a register as a single allocated string or as a list. * Used for "@r" in expressions and for getreg(). * Returns NULL for error. * Flags: * GREG_NO_EXPR Do not allow expression register * GREG_EXPR_SRC For the expression register: return expression itself, * not the result of its evaluation. * GREG_LIST Return a list of lines instead of a single string. */ char_u * get_reg_contents(int regname, int flags) { long i; char_u *retval; int allocated; long len; // Don't allow using an expression register inside an expression if (regname == '=') { if (flags & GREG_NO_EXPR) return NULL; if (flags & GREG_EXPR_SRC) return getreg_wrap_one_line(get_expr_line_src(), flags); return getreg_wrap_one_line(get_expr_line(), flags); } if (regname == '@') // "@@" is used for unnamed register regname = '"'; // check for valid regname if (regname != NUL && !valid_yank_reg(regname, FALSE)) return NULL; # ifdef FEAT_CLIPBOARD regname = may_get_selection(regname); # endif if (get_spec_reg(regname, &retval, &allocated, FALSE)) { if (retval == NULL) return NULL; if (allocated) return getreg_wrap_one_line(retval, flags); return getreg_wrap_one_line(vim_strsave(retval), flags); } get_yank_register(regname, FALSE); if (y_current->y_array == NULL) return NULL; if (flags & GREG_LIST) { list_T *list = list_alloc(); int error = FALSE; if (list == NULL) return NULL; for (i = 0; i < y_current->y_size; ++i) if (list_append_string(list, y_current->y_array[i], -1) == FAIL) error = TRUE; if (error) { list_free(list); return NULL; } return (char_u *)list; } // Compute length of resulting string. len = 0; for (i = 0; i < y_current->y_size; ++i) { len += (long)STRLEN(y_current->y_array[i]); // Insert a newline between lines and after last line if // y_type is MLINE. if (y_current->y_type == MLINE || i < y_current->y_size - 1) ++len; } retval = alloc(len + 1); if (retval == NULL) return NULL; // Copy the lines of the yank register into the string. len = 0; for (i = 0; i < y_current->y_size; ++i) { STRCPY(retval + len, y_current->y_array[i]); len += (long)STRLEN(retval + len); // Insert a NL between lines and after the last line if y_type is // MLINE. if (y_current->y_type == MLINE || i < y_current->y_size - 1) retval[len++] = '\n'; } retval[len] = NUL; return retval; } static int init_write_reg( int name, yankreg_T **old_y_previous, yankreg_T **old_y_current, int must_append, int *yank_type UNUSED) { if (!valid_yank_reg(name, TRUE)) // check for valid reg name { emsg_invreg(name); return FAIL; } // Don't want to change the current (unnamed) register *old_y_previous = y_previous; *old_y_current = y_current; get_yank_register(name, TRUE); if (!y_append && !must_append) free_yank_all(); return OK; } static void finish_write_reg( int name, yankreg_T *old_y_previous, yankreg_T *old_y_current) { # ifdef FEAT_CLIPBOARD // Send text of clipboard register to the clipboard. may_set_selection(); # endif // ':let @" = "val"' should change the meaning of the "" register if (name != '"') y_previous = old_y_previous; y_current = old_y_current; } /* * Store string "str" in register "name". * "maxlen" is the maximum number of bytes to use, -1 for all bytes. * If "must_append" is TRUE, always append to the register. Otherwise append * if "name" is an uppercase letter. * Note: "maxlen" and "must_append" don't work for the "/" register. * Careful: 'str' is modified, you may have to use a copy! * If "str" ends in '\n' or '\r', use linewise, otherwise use characterwise. */ void write_reg_contents( int name, char_u *str, int maxlen, int must_append) { write_reg_contents_ex(name, str, maxlen, must_append, MAUTO, 0L); } void write_reg_contents_lst( int name, char_u **strings, int maxlen UNUSED, int must_append, int yank_type, long block_len) { yankreg_T *old_y_previous, *old_y_current; if (name == '/' || name == '=') { char_u *s; if (strings[0] == NULL) s = (char_u *)""; else if (strings[1] != NULL) { emsg(_(e_search_pattern_and_expression_register_may_not_contain_two_or_more_lines)); return; } else s = strings[0]; write_reg_contents_ex(name, s, -1, must_append, yank_type, block_len); return; } if (name == '_') // black hole: nothing to do return; if (init_write_reg(name, &old_y_previous, &old_y_current, must_append, &yank_type) == FAIL) return; str_to_reg(y_current, yank_type, (char_u *)strings, -1, block_len, TRUE); finish_write_reg(name, old_y_previous, old_y_current); } void write_reg_contents_ex( int name, char_u *str, int maxlen, int must_append, int yank_type, long block_len) { yankreg_T *old_y_previous, *old_y_current; long len; if (maxlen >= 0) len = maxlen; else len = (long)STRLEN(str); // Special case: '/' search pattern if (name == '/') { set_last_search_pat(str, RE_SEARCH, TRUE, TRUE); return; } if (name == '#') { buf_T *buf; if (VIM_ISDIGIT(*str)) { int num = atoi((char *)str); buf = buflist_findnr(num); if (buf == NULL) semsg(_(e_buffer_nr_does_not_exist), (long)num); } else buf = buflist_findnr(buflist_findpat(str, str + STRLEN(str), TRUE, FALSE, FALSE)); if (buf == NULL) return; curwin->w_alt_fnum = buf->b_fnum; return; } if (name == '=') { char_u *p, *s; p = vim_strnsave(str, len); if (p == NULL) return; if (must_append && expr_line != NULL) { s = concat_str(expr_line, p); vim_free(p); p = s; } set_expr_line(p, NULL); return; } if (name == '_') // black hole: nothing to do return; if (init_write_reg(name, &old_y_previous, &old_y_current, must_append, &yank_type) == FAIL) return; str_to_reg(y_current, yank_type, str, len, block_len, FALSE); finish_write_reg(name, old_y_previous, old_y_current); } #endif // FEAT_EVAL #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL) /* * Put a string into a register. When the register is not empty, the string * is appended. */ void str_to_reg( yankreg_T *y_ptr, // pointer to yank register int yank_type, // MCHAR, MLINE, MBLOCK, MAUTO char_u *str, // string to put in register long len, // length of string long blocklen, // width of Visual block int str_list) // TRUE if str is char_u ** { int type; // MCHAR, MLINE or MBLOCK int lnum; long start; long i; int extra; int newlines; // number of lines added int extraline = 0; // extra line at the end int append = FALSE; // append to last line in register char_u *s; char_u **ss; char_u **pp; long maxlen; if (y_ptr->y_array == NULL) // NULL means empty register y_ptr->y_size = 0; if (yank_type == MAUTO) type = ((str_list || (len > 0 && (str[len - 1] == NL || str[len - 1] == CAR))) ? MLINE : MCHAR); else type = yank_type; // Count the number of lines within the string newlines = 0; if (str_list) { for (ss = (char_u **) str; *ss != NULL; ++ss) ++newlines; } else { for (i = 0; i < len; i++) if (str[i] == '\n') ++newlines; if (type == MCHAR || len == 0 || str[len - 1] != '\n') { extraline = 1; ++newlines; // count extra newline at the end } if (y_ptr->y_size > 0 && y_ptr->y_type == MCHAR) { append = TRUE; --newlines; // uncount newline when appending first line } } // Without any lines make the register empty. if (y_ptr->y_size + newlines == 0) { VIM_CLEAR(y_ptr->y_array); return; } // Allocate an array to hold the pointers to the new register lines. // If the register was not empty, move the existing lines to the new array. pp = lalloc_clear((y_ptr->y_size + newlines) * sizeof(char_u *), TRUE); if (pp == NULL) // out of memory return; for (lnum = 0; lnum < y_ptr->y_size; ++lnum) pp[lnum] = y_ptr->y_array[lnum]; vim_free(y_ptr->y_array); y_ptr->y_array = pp; maxlen = 0; // Find the end of each line and save it into the array. if (str_list) { for (ss = (char_u **) str; *ss != NULL; ++ss, ++lnum) { pp[lnum] = vim_strsave(*ss); if (type == MBLOCK) { int charlen = mb_string2cells(*ss, -1); if (charlen > maxlen) maxlen = charlen; } } } else { for (start = 0; start < len + extraline; start += i + 1) { int charlen = 0; for (i = start; i < len; ++i) // find the end of the line { if (str[i] == '\n') break; if (type == MBLOCK) charlen += mb_ptr2cells_len(str + i, len - i); } i -= start; // i is now length of line if (charlen > maxlen) maxlen = charlen; if (append) { --lnum; extra = (int)STRLEN(y_ptr->y_array[lnum]); } else extra = 0; s = alloc(i + extra + 1); if (s == NULL) break; if (extra) mch_memmove(s, y_ptr->y_array[lnum], (size_t)extra); if (append) vim_free(y_ptr->y_array[lnum]); if (i > 0) mch_memmove(s + extra, str + start, (size_t)i); extra += i; s[extra] = NUL; y_ptr->y_array[lnum++] = s; while (--extra >= 0) { if (*s == NUL) *s = '\n'; // replace NUL with newline ++s; } append = FALSE; // only first line is appended } } y_ptr->y_type = type; y_ptr->y_size = lnum; if (type == MBLOCK) y_ptr->y_width = (blocklen < 0 ? maxlen - 1 : blocklen); else y_ptr->y_width = 0; # ifdef FEAT_VIMINFO y_ptr->y_time_set = vim_time(); # endif } #endif // FEAT_CLIPBOARD || FEAT_EVAL || PROTO