diff options
author | Yegappan Lakshmanan <yegappan@yahoo.com> | 2022-02-12 12:03:07 +0000 |
---|---|---|
committer | Bram Moolenaar <Bram@vim.org> | 2022-02-12 12:03:07 +0000 |
commit | 620d8edba01bb2779485718dd1a99ca670ca894b (patch) | |
tree | 122009c726a0e43710db1ea8d40ff02e869413aa /src/cmdexpand.c | |
parent | 0f7ff851cb721bb3c07261adbf82b591229f530d (diff) |
patch 8.2.4356: command line completion functions are very longv8.2.4356
Problem: Command line completion functions are very long.
Solution: Refactor into multiple functions. (Yegappan Lakshmanan,
closes #9753)
Diffstat (limited to 'src/cmdexpand.c')
-rw-r--r-- | src/cmdexpand.c | 1232 |
1 files changed, 683 insertions, 549 deletions
diff --git a/src/cmdexpand.c b/src/cmdexpand.c index 79b6a2b2c5..8e950ab9b4 100644 --- a/src/cmdexpand.c +++ b/src/cmdexpand.c @@ -351,6 +351,189 @@ int cmdline_compl_startcol(void) #endif /* + * Get the next or prev cmdline completion match. The index of the match is set + * in 'p_findex' + */ + static char_u * +get_next_or_prev_match( + int mode, + expand_T *xp, + int *p_findex, + char_u *orig_save) +{ + int findex = *p_findex; + + if (xp->xp_numfiles <= 0) + return NULL; + + if (mode == WILD_PREV) + { + if (findex == -1) + findex = xp->xp_numfiles; + --findex; + } + else // mode == WILD_NEXT + ++findex; + + // When wrapping around, return the original string, set findex to + // -1. + if (findex < 0) + { + if (orig_save == NULL) + findex = xp->xp_numfiles - 1; + else + findex = -1; + } + if (findex >= xp->xp_numfiles) + { + if (orig_save == NULL) + findex = 0; + else + findex = -1; + } +#ifdef FEAT_WILDMENU + if (compl_match_array) + { + compl_selected = findex; + cmdline_pum_display(); + } + else if (p_wmnu) + win_redr_status_matches(xp, xp->xp_numfiles, xp->xp_files, + findex, cmd_showtail); +#endif + *p_findex = findex; + + if (findex == -1) + return vim_strsave(orig_save); + + return vim_strsave(xp->xp_files[findex]); +} + +/* + * Start the command-line expansion and get the matches. + */ + static char_u * +ExpandOne_start(int mode, expand_T *xp, char_u *str, int options) +{ + int non_suf_match; // number without matching suffix + int i; + char_u *ss = NULL; + + // Do the expansion. + if (ExpandFromContext(xp, str, &xp->xp_numfiles, &xp->xp_files, + options) == FAIL) + { +#ifdef FNAME_ILLEGAL + // Illegal file name has been silently skipped. But when there + // are wildcards, the real problem is that there was no match, + // causing the pattern to be added, which has illegal characters. + if (!(options & WILD_SILENT) && (options & WILD_LIST_NOTFOUND)) + semsg(_(e_no_match_str_2), str); +#endif + } + else if (xp->xp_numfiles == 0) + { + if (!(options & WILD_SILENT)) + semsg(_(e_no_match_str_2), str); + } + else + { + // Escape the matches for use on the command line. + ExpandEscape(xp, str, xp->xp_numfiles, xp->xp_files, options); + + // Check for matching suffixes in file names. + if (mode != WILD_ALL && mode != WILD_ALL_KEEP + && mode != WILD_LONGEST) + { + if (xp->xp_numfiles) + non_suf_match = xp->xp_numfiles; + else + non_suf_match = 1; + if ((xp->xp_context == EXPAND_FILES + || xp->xp_context == EXPAND_DIRECTORIES) + && xp->xp_numfiles > 1) + { + // More than one match; check suffix. + // The files will have been sorted on matching suffix in + // expand_wildcards, only need to check the first two. + non_suf_match = 0; + for (i = 0; i < 2; ++i) + if (match_suffix(xp->xp_files[i])) + ++non_suf_match; + } + if (non_suf_match != 1) + { + // Can we ever get here unless it's while expanding + // interactively? If not, we can get rid of this all + // together. Don't really want to wait for this message + // (and possibly have to hit return to continue!). + if (!(options & WILD_SILENT)) + emsg(_(e_too_many_file_names)); + else if (!(options & WILD_NO_BEEP)) + beep_flush(); + } + if (!(non_suf_match != 1 && mode == WILD_EXPAND_FREE)) + ss = vim_strsave(xp->xp_files[0]); + } + } + + return ss; +} + +/* + * Return the longest common part in the list of cmdline completion matches. + */ + static char_u * +find_longest_match(expand_T *xp, int options) +{ + long_u len; + int mb_len = 1; + int c0, ci; + int i; + char_u *ss; + + for (len = 0; xp->xp_files[0][len]; len += mb_len) + { + if (has_mbyte) + { + mb_len = (*mb_ptr2len)(&xp->xp_files[0][len]); + c0 =(* mb_ptr2char)(&xp->xp_files[0][len]); + } + else + c0 = xp->xp_files[0][len]; + for (i = 1; i < xp->xp_numfiles; ++i) + { + if (has_mbyte) + ci =(* mb_ptr2char)(&xp->xp_files[i][len]); + else + ci = xp->xp_files[i][len]; + if (p_fic && (xp->xp_context == EXPAND_DIRECTORIES + || xp->xp_context == EXPAND_FILES + || xp->xp_context == EXPAND_SHELLCMD + || xp->xp_context == EXPAND_BUFFERS)) + { + if (MB_TOLOWER(c0) != MB_TOLOWER(ci)) + break; + } + else if (c0 != ci) + break; + } + if (i < xp->xp_numfiles) + { + if (!(options & WILD_NO_BEEP)) + vim_beep(BO_WILD); + break; + } + } + + ss = alloc(len + 1); + if (ss) + vim_strncpy(ss, xp->xp_files[0], (size_t)len); + + return ss; +} + +/* * Do wildcard expansion on the string 'str'. * Chars that should not be expanded must be preceded with a backslash. * Return a pointer to allocated memory containing the new string. @@ -371,6 +554,10 @@ int cmdline_compl_startcol(void) * mode = WILD_ALL: return all matches concatenated * mode = WILD_LONGEST: return longest matched part * mode = WILD_ALL_KEEP: get all matches, keep matches + * mode = WILD_APPLY: apply the item selected in the cmdline completion + * popup menu and close the menu. + * mode = WILD_CANCEL: cancel and close the cmdline completion popup and + * use the original text. * * options = WILD_LIST_NOTFOUND: list entries without a match * options = WILD_HOME_REPLACE: do home_replace() for buffer names @@ -399,55 +586,10 @@ ExpandOne( int orig_saved = FALSE; int i; long_u len; - int non_suf_match; // number without matching suffix // first handle the case of using an old match if (mode == WILD_NEXT || mode == WILD_PREV) - { - if (xp->xp_numfiles > 0) - { - if (mode == WILD_PREV) - { - if (findex == -1) - findex = xp->xp_numfiles; - --findex; - } - else // mode == WILD_NEXT - ++findex; - - // When wrapping around, return the original string, set findex to - // -1. - if (findex < 0) - { - if (orig_save == NULL) - findex = xp->xp_numfiles - 1; - else - findex = -1; - } - if (findex >= xp->xp_numfiles) - { - if (orig_save == NULL) - findex = 0; - else - findex = -1; - } -#ifdef FEAT_WILDMENU - if (compl_match_array) - { - compl_selected = findex; - cmdline_pum_display(); - } - else if (p_wmnu) - win_redr_status_matches(xp, xp->xp_numfiles, xp->xp_files, - findex, cmd_showtail); -#endif - if (findex == -1) - return vim_strsave(orig_save); - return vim_strsave(xp->xp_files[findex]); - } - else - return NULL; - } + return get_next_or_prev_match(mode, xp, &findex, orig_save); if (mode == WILD_CANCEL) ss = vim_strsave(orig_save ? orig_save : (char_u *)""); @@ -473,108 +615,13 @@ ExpandOne( orig_save = orig; orig_saved = TRUE; - // Do the expansion. - if (ExpandFromContext(xp, str, &xp->xp_numfiles, &xp->xp_files, - options) == FAIL) - { -#ifdef FNAME_ILLEGAL - // Illegal file name has been silently skipped. But when there - // are wildcards, the real problem is that there was no match, - // causing the pattern to be added, which has illegal characters. - if (!(options & WILD_SILENT) && (options & WILD_LIST_NOTFOUND)) - semsg(_(e_no_match_str_2), str); -#endif - } - else if (xp->xp_numfiles == 0) - { - if (!(options & WILD_SILENT)) - semsg(_(e_no_match_str_2), str); - } - else - { - // Escape the matches for use on the command line. - ExpandEscape(xp, str, xp->xp_numfiles, xp->xp_files, options); - - // Check for matching suffixes in file names. - if (mode != WILD_ALL && mode != WILD_ALL_KEEP - && mode != WILD_LONGEST) - { - if (xp->xp_numfiles) - non_suf_match = xp->xp_numfiles; - else - non_suf_match = 1; - if ((xp->xp_context == EXPAND_FILES - || xp->xp_context == EXPAND_DIRECTORIES) - && xp->xp_numfiles > 1) - { - // More than one match; check suffix. - // The files will have been sorted on matching suffix in - // expand_wildcards, only need to check the first two. - non_suf_match = 0; - for (i = 0; i < 2; ++i) - if (match_suffix(xp->xp_files[i])) - ++non_suf_match; - } - if (non_suf_match != 1) - { - // Can we ever get here unless it's while expanding - // interactively? If not, we can get rid of this all - // together. Don't really want to wait for this message - // (and possibly have to hit return to continue!). - if (!(options & WILD_SILENT)) - emsg(_(e_too_many_file_names)); - else if (!(options & WILD_NO_BEEP)) - beep_flush(); - } - if (!(non_suf_match != 1 && mode == WILD_EXPAND_FREE)) - ss = vim_strsave(xp->xp_files[0]); - } - } + ss = ExpandOne_start(mode, xp, str, options); } // Find longest common part if (mode == WILD_LONGEST && xp->xp_numfiles > 0) { - int mb_len = 1; - int c0, ci; - - for (len = 0; xp->xp_files[0][len]; len += mb_len) - { - if (has_mbyte) - { - mb_len = (*mb_ptr2len)(&xp->xp_files[0][len]); - c0 =(* mb_ptr2char)(&xp->xp_files[0][len]); - } - else - c0 = xp->xp_files[0][len]; - for (i = 1; i < xp->xp_numfiles; ++i) - { - if (has_mbyte) - ci =(* mb_ptr2char)(&xp->xp_files[i][len]); - else - ci = xp->xp_files[i][len]; - if (p_fic && (xp->xp_context == EXPAND_DIRECTORIES - || xp->xp_context == EXPAND_FILES - || xp->xp_context == EXPAND_SHELLCMD - || xp->xp_context == EXPAND_BUFFERS)) - { - if (MB_TOLOWER(c0) != MB_TOLOWER(ci)) - break; - } - else if (c0 != ci) - break; - } - if (i < xp->xp_numfiles) - { - if (!(options & WILD_NO_BEEP)) - vim_beep(BO_WILD); - break; - } - } - - ss = alloc(len + 1); - if (ss) - vim_strncpy(ss, xp->xp_files[0], (size_t)len); + ss = find_longest_match(xp, options); findex = -1; // next p_wc gets first one } @@ -1077,58 +1124,17 @@ set_expand_context(expand_T *xp) } /* - * This is all pretty much copied from do_one_cmd(), with all the extra stuff - * we don't need/want deleted. Maybe this could be done better if we didn't - * repeat all this stuff. The only problem is that they may not stay - * perfectly compatible with each other, but then the command line syntax - * probably won't change that much -- webb. + * Sets the index of a built-in or user defined command 'cmd' in eap->cmdidx. + * For user defined commands, the completion context is set in 'xp' and the + * completion flags in 'complp'. + * + * Returns a pointer to the text after the command or NULL for failure. */ static char_u * -set_one_cmd_context( - expand_T *xp, - char_u *buff) // buffer for command string +set_cmd_index(char_u *cmd, exarg_T *eap, expand_T *xp, int *complp) { - char_u *p; - char_u *cmd, *arg; - int len = 0; - exarg_T ea; - int compl = EXPAND_NOTHING; - int delim; - int forceit = FALSE; - int usefilter = FALSE; // filter instead of file name - - ExpandInit(xp); - xp->xp_pattern = buff; - xp->xp_line = buff; - xp->xp_context = EXPAND_COMMANDS; // Default until we get past command - ea.argt = 0; - - // 1. skip comment lines and leading space, colons or bars - for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++) - ; - xp->xp_pattern = cmd; - - if (*cmd == NUL) - return NULL; - if (*cmd == '"') // ignore comment lines - { - xp->xp_context = EXPAND_NOTHING; - return NULL; - } - - // 3. Skip over the range to find the command. - cmd = skip_range(cmd, TRUE, &xp->xp_context); - xp->xp_pattern = cmd; - if (*cmd == NUL) - return NULL; - if (*cmd == '"') - { - xp->xp_context = EXPAND_NOTHING; - return NULL; - } - - if (*cmd == '|' || *cmd == '\n') - return cmd + 1; // There's another command + char_u *p = NULL; + int len = 0; // Isolate the command and search for it in the command table. // Exceptions: @@ -1137,7 +1143,7 @@ set_one_cmd_context( // - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r' if (*cmd == 'k' && cmd[1] != 'e') { - ea.cmdidx = CMD_k; + eap->cmdidx = CMD_k; p = cmd + 1; } else @@ -1168,7 +1174,7 @@ set_one_cmd_context( return NULL; } - ea.cmdidx = excmd_get_cmdidx(cmd, len); + eap->cmdidx = excmd_get_cmdidx(cmd, len); if (cmd[0] >= 'A' && cmd[0] <= 'Z') while (ASCII_ISALNUM(*p) || *p == '*') // Allow * wild card @@ -1180,262 +1186,172 @@ set_one_cmd_context( if (*p == NUL && ASCII_ISALNUM(p[-1])) return NULL; - if (ea.cmdidx == CMD_SIZE) + if (eap->cmdidx == CMD_SIZE) { if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL) { - ea.cmdidx = CMD_substitute; + eap->cmdidx = CMD_substitute; p = cmd + 1; } else if (cmd[0] >= 'A' && cmd[0] <= 'Z') { - ea.cmd = cmd; - p = find_ucmd(&ea, p, NULL, xp, &compl); + eap->cmd = cmd; + p = find_ucmd(eap, p, NULL, xp, complp); if (p == NULL) - ea.cmdidx = CMD_SIZE; // ambiguous user command + eap->cmdidx = CMD_SIZE; // ambiguous user command } } - if (ea.cmdidx == CMD_SIZE) + if (eap->cmdidx == CMD_SIZE) { // Not still touching the command and it was an illegal one xp->xp_context = EXPAND_UNSUCCESSFUL; return NULL; } - xp->xp_context = EXPAND_NOTHING; // Default now that we're past command - - if (*p == '!') // forced commands - { - forceit = TRUE; - ++p; - } - - // 6. parse arguments - if (!IS_USER_CMDIDX(ea.cmdidx)) - ea.argt = excmd_get_argt(ea.cmdidx); - - arg = skipwhite(p); - - // Skip over ++argopt argument - if ((ea.argt & EX_ARGOPT) && *arg != NUL && STRNCMP(arg, "++", 2) == 0) - { - p = arg; - while (*p && !vim_isspace(*p)) - MB_PTR_ADV(p); - arg = skipwhite(p); - } - - if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update) - { - if (*arg == '>') // append - { - if (*++arg == '>') - ++arg; - arg = skipwhite(arg); - } - else if (*arg == '!' && ea.cmdidx == CMD_write) // :w !filter - { - ++arg; - usefilter = TRUE; - } - } - - if (ea.cmdidx == CMD_read) - { - usefilter = forceit; // :r! filter if forced - if (*arg == '!') // :r !filter - { - ++arg; - usefilter = TRUE; - } - } - - if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift) - { - while (*arg == *cmd) // allow any number of '>' or '<' - ++arg; - arg = skipwhite(arg); - } - - // Does command allow "+command"? - if ((ea.argt & EX_CMDARG) && !usefilter && *arg == '+') - { - // Check if we're in the +command - p = arg + 1; - arg = skip_cmd_arg(arg, FALSE); - - // Still touching the command after '+'? - if (*arg == NUL) - return p; - - // Skip space(s) after +command to get to the real argument - arg = skipwhite(arg); - } - - - // Check for '|' to separate commands and '"' to start comments. - // Don't do this for ":read !cmd" and ":write !cmd". - if ((ea.argt & EX_TRLBAR) && !usefilter) - { - p = arg; - // ":redir @" is not the start of a comment - if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"') - p += 2; - while (*p) - { - if (*p == Ctrl_V) - { - if (p[1] != NUL) - ++p; - } - else if ( (*p == '"' && !(ea.argt & EX_NOTRLCOM)) - || *p == '|' || *p == '\n') - { - if (*(p - 1) != '\\') - { - if (*p == '|' || *p == '\n') - return p + 1; - return NULL; // It's a comment - } - } - MB_PTR_ADV(p); - } - } - - if (!(ea.argt & EX_EXTRA) && *arg != NUL - && vim_strchr((char_u *)"|\"", *arg) == NULL) - // no arguments allowed but there is something - return NULL; + return p; +} - // Find start of last argument (argument just before cursor): - p = buff; - xp->xp_pattern = p; - len = (int)STRLEN(buff); - while (*p && p < buff + len) - { - if (*p == ' ' || *p == TAB) - { - // argument starts after a space - xp->xp_pattern = ++p; - } +/* + * Set the completion context for a command argument with wild card characters. + */ + static void +set_context_for_wildcard_arg( + exarg_T *eap, + char_u *arg, + int usefilter, + expand_T *xp, + int *complp) +{ + char_u *p; + int c; + int in_quote = FALSE; + char_u *bow = NULL; // Beginning of word + int len = 0; + + // Allow spaces within back-quotes to count as part of the argument + // being expanded. + xp->xp_pattern = skipwhite(arg); + p = xp->xp_pattern; + while (*p != NUL) + { + if (has_mbyte) + c = mb_ptr2char(p); else + c = *p; + if (c == '\\' && p[1] != NUL) + ++p; + else if (c == '`') { - if (*p == '\\' && *(p + 1) != NUL) - ++p; // skip over escaped character - MB_PTR_ADV(p); - } - } - - if (ea.argt & EX_XFILE) - { - int c; - int in_quote = FALSE; - char_u *bow = NULL; // Beginning of word - - // Allow spaces within back-quotes to count as part of the argument - // being expanded. - xp->xp_pattern = skipwhite(arg); - p = xp->xp_pattern; - while (*p != NUL) - { - if (has_mbyte) - c = mb_ptr2char(p); - else - c = *p; - if (c == '\\' && p[1] != NUL) - ++p; - else if (c == '`') + if (!in_quote) { - if (!in_quote) - { - xp->xp_pattern = p; - bow = p + 1; - } - in_quote = !in_quote; + xp->xp_pattern = p; + bow = p + 1; } - // An argument can contain just about everything, except - // characters that end the command and white space. - else if (c == '|' || c == '\n' || c == '"' || (VIM_ISWHITE(c) + in_quote = !in_quote; + } + // An argument can contain just about everything, except + // characters that end the command and white space. + else if (c == '|' || c == '\n' || c == '"' || (VIM_ISWHITE(c) #ifdef SPACE_IN_FILENAME - && (!(ea.argt & EX_NOSPC) || usefilter) + && (!(eap->argt & EX_NOSPC) || usefilter) #endif )) + { + len = 0; // avoid getting stuck when space is in 'isfname' + while (*p != NUL) { - len = 0; // avoid getting stuck when space is in 'isfname' - while (*p != NUL) - { - if (has_mbyte) - c = mb_ptr2char(p); - else - c = *p; - if (c == '`' || vim_isfilec_or_wc(c)) - break; - if (has_mbyte) - len = (*mb_ptr2len)(p); - else - len = 1; - MB_PTR_ADV(p); - } - if (in_quote) - bow = p; + if (has_mbyte) + c = mb_ptr2char(p); else - xp->xp_pattern = p; - p -= len; + c = *p; + if (c == '`' || vim_isfilec_or_wc(c)) + break; + if (has_mbyte) + len = (*mb_ptr2len)(p); + else + len = 1; + MB_PTR_ADV(p); } - MB_PTR_ADV(p); + if (in_quote) + bow = p; + else + xp->xp_pattern = p; + p -= len; } + MB_PTR_ADV(p); + } - // If we are still inside the quotes, and we passed a space, just - // expand from there. - if (bow != NULL && in_quote) - xp->xp_pattern = bow; - xp->xp_context = EXPAND_FILES; + // If we are still inside the quotes, and we passed a space, just + // expand from there. + if (bow != NULL && in_quote) + xp->xp_pattern = bow; + xp->xp_context = EXPAND_FILES; - // For a shell command more chars need to be escaped. - if (usefilter || ea.cmdidx == CMD_bang || ea.cmdidx == CMD_terminal) - { + // For a shell command more chars need to be escaped. + if (usefilter || eap->cmdidx == CMD_bang || eap->cmdidx == CMD_terminal) + { #ifndef BACKSLASH_IN_FILENAME - xp->xp_shell = TRUE; + xp->xp_shell = TRUE; #endif - // When still after the command name expand executables. - if (xp->xp_pattern == skipwhite(arg)) - xp->xp_context = EXPAND_SHELLCMD; - } + // When still after the command name expand executables. + if (xp->xp_pattern == skipwhite(arg)) + xp->xp_context = EXPAND_SHELLCMD; + } - // Check for environment variable. - if (*xp->xp_pattern == '$') + // Check for environment variable. + if (*xp->xp_pattern == '$') + { + for (p = xp->xp_pattern + 1; *p != NUL; ++p) + if (!vim_isIDc(*p)) + break; + if (*p == NUL) { - for (p = xp->xp_pattern + 1; *p != NUL; ++p) - if (!vim_isIDc(*p)) - break; - if (*p == NUL) - { - xp->xp_context = EXPAND_ENV_VARS; - ++xp->xp_pattern; - // Avoid that the assignment uses EXPAND_FILES again. - if (compl != EXPAND_USER_DEFINED && compl != EXPAND_USER_LIST) - compl = EXPAND_ENV_VARS; - } + xp->xp_context = EXPAND_ENV_VARS; + ++xp->xp_pattern; + // Avoid that the assignment uses EXPAND_FILES again. + if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST) + *complp = EXPAND_ENV_VARS; } - // Check for user names. - if (*xp->xp_pattern == '~') + } + // Check for user names. + if (*xp->xp_pattern == '~') + { + for (p = xp->xp_pattern + 1; *p != NUL && *p != '/'; ++p) + ; + // Complete ~user only if it partially matches a user name. + // A full match ~user<Tab> will be replaced by user's home + // directory i.e. something like ~user<Tab> -> /home/user/ + if (*p == NUL && p > xp->xp_pattern + 1 + && match_user(xp->xp_pattern + 1) >= 1) { - for (p = xp->xp_pattern + 1; *p != NUL && *p != '/'; ++p) - ; - // Complete ~user only if it partially matches a user name. - // A full match ~user<Tab> will be replaced by user's home - // directory i.e. something like ~user<Tab> -> /home/user/ - if (*p == NUL && p > xp->xp_pattern + 1 - && match_user(xp->xp_pattern + 1) >= 1) - { - xp->xp_context = EXPAND_USER; - ++xp->xp_pattern; - } + xp->xp_context = EXPAND_USER; + ++xp->xp_pattern; } } +} - // 6. Switch on command name. - switch (ea.cmdidx) +/* + * Set the completion context in 'xp' for command 'cmd' with index 'cmdidx'. + * The argument to the command is 'arg' and the argument flags is 'argt'. + * For user-defined commands and for environment variables, 'compl' has the + * completion type. + * Returns a pointer to the next command. Returns NULL if there is no next + * command. + */ + static char_u * +set_context_by_cmdname( + char_u *cmd, + cmdidx_T cmdidx, + char_u *arg, + long argt, + int compl, + expand_T *xp, + int forceit) +{ + char_u *p; + int delim; + + switch (cmdidx) { case CMD_find: case CMD_sfind: @@ -1658,7 +1574,7 @@ set_one_cmd_context( case CMD_lexpr: case CMD_laddexpr: case CMD_lgetexpr: - set_context_for_expression(xp, arg, ea.cmdidx); + set_context_for_expression(xp, arg, cmdidx); break; case CMD_unlet: @@ -1696,7 +1612,7 @@ set_one_cmd_context( case CMD_cscope: case CMD_lcscope: case CMD_scscope: - set_context_in_cscope_cmd(xp, arg, ea.cmdidx); + set_context_in_cscope_cmd(xp, arg, cmdidx); break; #endif #ifdef FEAT_SIGNS @@ -1730,7 +1646,7 @@ set_one_cmd_context( if (compl != EXPAND_NOTHING) { // EX_XFILE: file names are handled above - if (!(ea.argt & EX_XFILE)) + if (!(argt & EX_XFILE)) { #ifdef FEAT_MENU if (compl == EXPAND_MENUS) @@ -1769,7 +1685,7 @@ set_one_cmd_context( case CMD_tmap: case CMD_tnoremap: case CMD_xmap: case CMD_xnoremap: return set_context_in_map_cmd(xp, cmd, arg, forceit, - FALSE, FALSE, ea.cmdidx); + FALSE, FALSE, cmdidx); case CMD_unmap: case CMD_nunmap: case CMD_vunmap: @@ -1781,7 +1697,7 @@ set_one_cmd_context( case CMD_tunmap: case CMD_xunmap: return set_context_in_map_cmd(xp, cmd, arg, forceit, - FALSE, TRUE, ea.cmdidx); + FALSE, TRUE, cmdidx); case CMD_mapclear: case CMD_nmapclear: case CMD_vmapclear: @@ -1800,12 +1716,12 @@ set_one_cmd_context( case CMD_cabbrev: case CMD_cnoreabbrev: case CMD_iabbrev: case CMD_inoreabbrev: return set_context_in_map_cmd(xp, cmd, arg, forceit, - TRUE, FALSE, ea.cmdidx); + TRUE, FALSE, cmdidx); case CMD_unabbreviate: case CMD_cunabbrev: case CMD_iunabbrev: return set_context_in_map_cmd(xp, cmd, arg, forceit, - TRUE, TRUE, ea.cmdidx); + TRUE, TRUE, cmdidx); #ifdef FEAT_MENU case CMD_menu: case CMD_noremenu: case CMD_unmenu: case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu: @@ -1907,6 +1823,196 @@ set_one_cmd_context( return NULL; } +/* + * This is all pretty much copied from do_one_cmd(), with all the extra stuff + * we don't need/want deleted. Maybe this could be done better if we didn't + * repeat all this stuff. The only problem is that they may not stay + * perfectly compatible with each other, but then the command line syntax + * probably won't change that much -- webb. + */ + static char_u * +set_one_cmd_context( + expand_T *xp, + char_u *buff) // buffer for command string +{ + char_u *p; + char_u *cmd, *arg; + int len = 0; + exarg_T ea; + int compl = EXPAND_NOTHING; + int forceit = FALSE; + int usefilter = FALSE; // filter instead of file name + + ExpandInit(xp); + xp->xp_pattern = buff; + xp->xp_line = buff; + xp->xp_context = EXPAND_COMMANDS; // Default until we get past command + ea.argt = 0; + + // 1. skip comment lines and leading space, colons or bars + for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++) + ; + xp->xp_pattern = cmd; + + if (*cmd == NUL) + return NULL; + if (*cmd == '"') // ignore comment lines + { + xp->xp_context = EXPAND_NOTHING; + return NULL; + } + + // 3. Skip over the range to find the command. + cmd = skip_range(cmd, TRUE, &xp->xp_context); + xp->xp_pattern = cmd; + if (*cmd == NUL) + return NULL; + if (*cmd == '"') + { + xp->xp_context = EXPAND_NOTHING; + return NULL; + } + + if (*cmd == '|' || *cmd == '\n') + return cmd + 1; // There's another command + + // Get the command index. + p = set_cmd_index(cmd, &ea, xp, &compl); + if (p == NULL) + return NULL; + + xp->xp_context = EXPAND_NOTHING; // Default now that we're past command + + if (*p == '!') // forced commands + { + forceit = TRUE; + ++p; + } + + // 6. parse arguments + if (!IS_USER_CMDIDX(ea.cmdidx)) + ea.argt = excmd_get_argt(ea.cmdidx); + + arg = skipwhite(p); + + // Skip over ++argopt argument + if ((ea.argt & EX_ARGOPT) && *arg != NUL && STRNCMP(arg, "++", 2) == 0) + { + p = arg; + while (*p && !vim_isspace(*p)) + MB_PTR_ADV(p); + arg = skipwhite(p); + } + + if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update) + { + if (*arg == '>') // append + { + if (*++arg == '>') + ++arg; + arg = skipwhite(arg); + } + else if (*arg == '!' && ea.cmdidx == CMD_write) // :w !filter + { + ++arg; + usefilter = TRUE; + } + } + + if (ea.cmdidx == CMD_read) + { + usefilter = forceit; // :r! filter if forced + if (*arg == '!') // :r !filter + { + ++arg; + usefilter = TRUE; + } + } + + if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift) + { + while (*arg == *cmd) // allow any number of '>' or '<' + ++arg; + arg = skipwhite(arg); + } + + // Does command allow "+command"? + if ((ea.argt & EX_CMDARG) && !usefilter && *arg == '+') + { + // Check if we're in the +command + p = arg + 1; + arg = skip_cmd_arg(arg, FALSE); + + // Still touching the command after '+'? + if (*arg == NUL) + return p; + + // Skip space(s) after +command to get to the real argument + arg = skipwhite(arg); + } + + + // Check for '|' to separate commands and '"' to start comments. + // Don't do this for ":read !cmd" and ":write !cmd". + if ((ea.argt & EX_TRLBAR) && !usefilter) + { + p = arg; + // ":redir @" is not the start of a comment + if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"') + p += 2; + while (*p) + { + if (*p == Ctrl_V) + { + if (p[1] != NUL) + ++p; + } + else if ( (*p == '"' && !(ea.argt & EX_NOTRLCOM)) + || *p == '|' || *p == '\n') + { + if (*(p - 1) != '\\') + { + if (*p == '|' || *p == '\n') + return p + 1; + return NULL; // It's a comment + } + } + MB_PTR_ADV(p); + } + } + + if (!(ea.argt & EX_EXTRA) && *arg != NUL + && vim_strchr((char_u *)"|\"", *arg) == NULL) + // no arguments allowed but there is something + return NULL; + + // Find start of last argument (argument just before cursor): + p = buff; + xp->xp_pattern = p; + len = (int)STRLEN(buff); + while (*p && p < buff + len) + { + if (*p == ' ' || *p == TAB) + { + // argument starts after a space + xp->xp_pattern = ++p; + } + else + { + if (*p == '\\' && *(p + 1) != NUL) + ++p; // skip over escaped character + MB_PTR_ADV(p); + } + } + + if (ea.argt & EX_XFILE) + set_context_for_wildcard_arg(&ea, arg, usefilter, xp, &compl); + + // 6. Switch on command name. + return set_context_by_cmdname(cmd, ea.cmdidx, arg, ea.argt, compl, xp, + forceit); +} + void set_cmd_context( expand_T *xp, @@ -2007,6 +2113,78 @@ expand_cmdline( } /* + * Expand file or directory names. + */ + static int +expand_files_and_dirs( + expand_T *xp, + char_u *pat, + char_u ***file, + int *num_file, + int flags, + int options) +{ + int free_pat = FALSE; + int i; + int ret; + + // for ":set path=" and ":set tags=" halve backslashes for escaped + // space + if (xp->xp_backslash != XP_BS_NONE) + { + free_pat = TRUE; + pat = vim_strsave(pat); + for (i = 0; pat[i]; ++i) + if (pat[i] == '\\') + { + if (xp->xp_backslash == XP_BS_THREE + && pat[i + 1] == '\\' + && pat[i + 2] == '\\' + && pat[i + 3] == ' ') + STRMOVE(pat + i, pat + i + 3); + if (xp->xp_backslash == XP_BS_ONE + && pat[i + 1] == ' ') + STRMOVE(pat + i, pat + i + 1); + } + } + + if (xp->xp_context == EXPAND_FILES) + flags |= EW_FILE; + else if (xp->xp_context == EXPAND_FILES_IN_PATH) + flags |= (EW_FILE | EW_PATH); + else + flags = (flags | EW_DIR) & ~EW_FILE; + if (options & WILD_ICASE) + flags |= EW_ICASE; + + // Expand wildcards, supporting %:h and the like. + ret = expand_wildcards_eval(&pat, num_file, file, flags); + if (free_pat) + vim_free(pat); +#ifdef BACKSLASH_IN_FILENAME + if (p_csl[0] != NUL && (options & WILD_IGNORE_COMPLETESLASH) == 0) + { + int j; + + for (j = 0; j < *num_file; ++j) + { + char_u *ptr = (*file)[j]; + + while (*ptr != NUL) + { + if (p_csl[0] == 's' && *ptr == '\\') + *ptr = '/'; + else if (p_csl[0] == 'b' && *ptr == '/') + *ptr = '\\'; + ptr += (*mb_ptr2len)(ptr); + } + } + } +#endif + return ret; +} + +/* * Function given to ExpandGeneric() to obtain the possible arguments of the * ":behave {mswin,xterm}" command. */ @@ -2041,6 +2219,91 @@ get_mapclear_arg(expand_T *xp UNUSED, int idx) } /* + * Do the expansion based on xp->xp_context and 'rmp'. + */ + static int +ExpandOther( + expand_T *xp, + regmatch_T *rmp, + int |