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author | delphij <delphij@FreeBSD.org> | 2009-05-08 23:34:35 +0000 |
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committer | delphij <delphij@FreeBSD.org> | 2009-05-08 23:34:35 +0000 |
commit | d069efd47cacc3156036ed37d5532d6a1d4f55c3 (patch) | |
tree | 2526f6b109843b646672c1537476dc51e56c0454 /contrib/less/opttbl.c | |
parent | 6aa3e25391d160482339ee072c010bcd22dfbbd1 (diff) | |
download | FreeBSD-src-d069efd47cacc3156036ed37d5532d6a1d4f55c3.zip FreeBSD-src-d069efd47cacc3156036ed37d5532d6a1d4f55c3.tar.gz |
Flatten all tags of the dist tree of less.
Diffstat (limited to 'contrib/less/opttbl.c')
-rw-r--r-- | contrib/less/opttbl.c | 602 |
1 files changed, 0 insertions, 602 deletions
diff --git a/contrib/less/opttbl.c b/contrib/less/opttbl.c deleted file mode 100644 index 755a93d..0000000 --- a/contrib/less/opttbl.c +++ /dev/null @@ -1,602 +0,0 @@ -/* - * Copyright (C) 1984-2007 Mark Nudelman - * - * You may distribute under the terms of either the GNU General Public - * License or the Less License, as specified in the README file. - * - * For more information about less, or for information on how to - * contact the author, see the README file. - */ - - -/* - * The option table. - */ - -#include "less.h" -#include "option.h" - -/* - * Variables controlled by command line options. - */ -public int quiet; /* Should we suppress the audible bell? */ -public int how_search; /* Where should forward searches start? */ -public int top_scroll; /* Repaint screen from top? - (alternative is scroll from bottom) */ -public int pr_type; /* Type of prompt (short, medium, long) */ -public int bs_mode; /* How to process backspaces */ -public int know_dumb; /* Don't complain about dumb terminals */ -public int quit_at_eof; /* Quit after hitting end of file twice */ -public int quit_if_one_screen; /* Quit if EOF on first screen */ -public int squeeze; /* Squeeze multiple blank lines into one */ -public int tabstop; /* Tab settings */ -public int back_scroll; /* Repaint screen on backwards movement */ -public int forw_scroll; /* Repaint screen on forward movement */ -public int caseless; /* Do "caseless" searches */ -public int linenums; /* Use line numbers */ -public int autobuf; /* Automatically allocate buffers as needed */ -public int bufspace; /* Max buffer space per file (K) */ -public int ctldisp; /* Send control chars to screen untranslated */ -public int force_open; /* Open the file even if not regular file */ -public int swindow; /* Size of scrolling window */ -public int jump_sline; /* Screen line of "jump target" */ -public long jump_sline_fraction = -1; -public int chopline; /* Truncate displayed lines at screen width */ -public int no_init; /* Disable sending ti/te termcap strings */ -public int no_keypad; /* Disable sending ks/ke termcap strings */ -public int twiddle; /* Show tildes after EOF */ -public int show_attn; /* Hilite first unread line */ -public int shift_count; /* Number of positions to shift horizontally */ -public int status_col; /* Display a status column */ -public int use_lessopen; /* Use the LESSOPEN filter */ -public int quit_on_intr; /* Quit on interrupt */ -public int follow_mode; /* F cmd Follows file desc or file name? */ -public int oldbot; /* Old bottom of screen behavior {{REMOVE}} */ -#if HILITE_SEARCH -public int hilite_search; /* Highlight matched search patterns? */ -#endif - -public int less_is_more = 0; /* Make compatible with POSIX more */ - -/* - * Long option names. - */ -static struct optname a_optname = { "search-skip-screen", NULL }; -static struct optname b_optname = { "buffers", NULL }; -static struct optname B__optname = { "auto-buffers", NULL }; -static struct optname c_optname = { "clear-screen", NULL }; -static struct optname d_optname = { "dumb", NULL }; -#if MSDOS_COMPILER -static struct optname D__optname = { "color", NULL }; -#endif -static struct optname e_optname = { "quit-at-eof", NULL }; -static struct optname f_optname = { "force", NULL }; -static struct optname F__optname = { "quit-if-one-screen", NULL }; -#if HILITE_SEARCH -static struct optname g_optname = { "hilite-search", NULL }; -#endif -static struct optname h_optname = { "max-back-scroll", NULL }; -static struct optname i_optname = { "ignore-case", NULL }; -static struct optname j_optname = { "jump-target", NULL }; -static struct optname J__optname = { "status-column", NULL }; -#if USERFILE -static struct optname k_optname = { "lesskey-file", NULL }; -#endif -static struct optname K__optname = { "quit-on-intr", NULL }; -static struct optname L__optname = { "no-lessopen", NULL }; -static struct optname m_optname = { "long-prompt", NULL }; -static struct optname n_optname = { "line-numbers", NULL }; -#if LOGFILE -static struct optname o_optname = { "log-file", NULL }; -static struct optname O__optname = { "LOG-FILE", NULL }; -#endif -static struct optname p_optname = { "pattern", NULL }; -static struct optname P__optname = { "prompt", NULL }; -static struct optname q2_optname = { "silent", NULL }; -static struct optname q_optname = { "quiet", &q2_optname }; -static struct optname r_optname = { "raw-control-chars", NULL }; -static struct optname s_optname = { "squeeze-blank-lines", NULL }; -static struct optname S__optname = { "chop-long-lines", NULL }; -#if TAGS -static struct optname t_optname = { "tag", NULL }; -static struct optname T__optname = { "tag-file", NULL }; -#endif -static struct optname u_optname = { "underline-special", NULL }; -static struct optname V__optname = { "version", NULL }; -static struct optname w_optname = { "hilite-unread", NULL }; -static struct optname x_optname = { "tabs", NULL }; -static struct optname X__optname = { "no-init", NULL }; -static struct optname y_optname = { "max-forw-scroll", NULL }; -static struct optname z_optname = { "window", NULL }; -static struct optname quote_optname = { "quotes", NULL }; -static struct optname tilde_optname = { "tilde", NULL }; -static struct optname query_optname = { "help", NULL }; -static struct optname pound_optname = { "shift", NULL }; -static struct optname keypad_optname = { "no-keypad", NULL }; -static struct optname oldbot_optname = { "old-bot", NULL }; -static struct optname follow_optname = { "follow-name", NULL }; - - -/* - * Table of all options and their semantics. - * - * For BOOL and TRIPLE options, odesc[0], odesc[1], odesc[2] are - * the description of the option when set to 0, 1 or 2, respectively. - * For NUMBER options, odesc[0] is the prompt to use when entering - * a new value, and odesc[1] is the description, which should contain - * one %d which is replaced by the value of the number. - * For STRING options, odesc[0] is the prompt to use when entering - * a new value, and odesc[1], if not NULL, is the set of characters - * that are valid in the string. - */ -static struct loption option[] = -{ - { 'a', &a_optname, - BOOL, OPT_OFF, &how_search, NULL, - { - "Search includes displayed screen", - "Search skips displayed screen", - NULL - } - }, - - { 'b', &b_optname, - NUMBER|INIT_HANDLER, 64, &bufspace, opt_b, - { - "Max buffer space per file (K): ", - "Max buffer space per file: %dK", - NULL - } - }, - { 'B', &B__optname, - BOOL, OPT_ON, &autobuf, NULL, - { - "Don't automatically allocate buffers", - "Automatically allocate buffers when needed", - NULL - } - }, - { 'c', &c_optname, - TRIPLE, OPT_OFF, &top_scroll, NULL, - { - "Repaint by scrolling from bottom of screen", - "Repaint by painting from top of screen", - "Repaint by painting from top of screen" - } - }, - { 'd', &d_optname, - BOOL|NO_TOGGLE, OPT_OFF, &know_dumb, NULL, - { - "Assume intelligent terminal", - "Assume dumb terminal", - NULL - } - }, -#if MSDOS_COMPILER - { 'D', &D__optname, - STRING|REPAINT|NO_QUERY, 0, NULL, opt_D, - { - "color desc: ", - "Ddknsu0123456789.", - NULL - } - }, -#endif - { 'e', &e_optname, - TRIPLE, OPT_OFF, &quit_at_eof, NULL, - { - "Don't quit at end-of-file", - "Quit at end-of-file", - "Quit immediately at end-of-file" - } - }, - { 'f', &f_optname, - BOOL, OPT_OFF, &force_open, NULL, - { - "Open only regular files", - "Open even non-regular files", - NULL - } - }, - { 'F', &F__optname, - BOOL, OPT_OFF, &quit_if_one_screen, NULL, - { - "Don't quit if end-of-file on first screen", - "Quit if end-of-file on first screen", - NULL - } - }, -#if HILITE_SEARCH - { 'g', &g_optname, - TRIPLE|HL_REPAINT, OPT_ONPLUS, &hilite_search, NULL, - { - "Don't highlight search matches", - "Highlight matches for previous search only", - "Highlight all matches for previous search pattern", - } - }, -#endif - { 'h', &h_optname, - NUMBER, -1, &back_scroll, NULL, - { - "Backwards scroll limit: ", - "Backwards scroll limit is %d lines", - NULL - } - }, - { 'i', &i_optname, - TRIPLE|HL_REPAINT, OPT_OFF, &caseless, opt_i, - { - "Case is significant in searches", - "Ignore case in searches", - "Ignore case in searches and in patterns" - } - }, - { 'j', &j_optname, - STRING, 0, NULL, opt_j, - { - "Target line: ", - "0123456789.", - NULL - } - }, - { 'J', &J__optname, - BOOL|REPAINT, OPT_OFF, &status_col, NULL, - { - "Don't display a status column", - "Display a status column", - NULL - } - }, -#if USERFILE - { 'k', &k_optname, - STRING|NO_TOGGLE|NO_QUERY, 0, NULL, opt_k, - { NULL, NULL, NULL } - }, -#endif - { 'K', &K__optname, - BOOL, OPT_OFF, &quit_on_intr, NULL, - { - "Interrupt (ctrl-C) returns to prompt", - "Interrupt (ctrl-C) exits less", - NULL - } - }, - { 'l', NULL, - STRING|NO_TOGGLE|NO_QUERY, 0, NULL, opt_l, - { NULL, NULL, NULL } - }, - { 'L', &L__optname, - BOOL, OPT_ON, &use_lessopen, NULL, - { - "Don't use the LESSOPEN filter", - "Use the LESSOPEN filter", - NULL - } - }, - { 'm', &m_optname, - TRIPLE, OPT_OFF, &pr_type, NULL, - { - "Short prompt", - "Medium prompt", - "Long prompt" - } - }, - { 'n', &n_optname, - TRIPLE|REPAINT, OPT_ON, &linenums, NULL, - { - "Don't use line numbers", - "Use line numbers", - "Constantly display line numbers" - } - }, -#if LOGFILE - { 'o', &o_optname, - STRING, 0, NULL, opt_o, - { "log file: ", NULL, NULL } - }, - { 'O', &O__optname, - STRING, 0, NULL, opt__O, - { "Log file: ", NULL, NULL } - }, -#endif - { 'p', &p_optname, - STRING|NO_TOGGLE|NO_QUERY, 0, NULL, opt_p, - { NULL, NULL, NULL } - }, - { 'P', &P__optname, - STRING, 0, NULL, opt__P, - { "prompt: ", NULL, NULL } - }, - { 'q', &q_optname, - TRIPLE, OPT_OFF, &quiet, NULL, - { - "Ring the bell for errors AND at eof/bof", - "Ring the bell for errors but not at eof/bof", - "Never ring the bell" - } - }, - { 'r', &r_optname, - TRIPLE|REPAINT, OPT_OFF, &ctldisp, NULL, - { - "Display control characters as ^X", - "Display control characters directly", - "Display control characters directly, processing ANSI sequences" - } - }, - { 's', &s_optname, - BOOL|REPAINT, OPT_OFF, &squeeze, NULL, - { - "Display all blank lines", - "Squeeze multiple blank lines", - NULL - } - }, - { 'S', &S__optname, - BOOL|REPAINT, OPT_OFF, &chopline, NULL, - { - "Fold long lines", - "Chop long lines", - NULL - } - }, -#if TAGS - { 't', &t_optname, - STRING|NO_QUERY, 0, NULL, opt_t, - { "tag: ", NULL, NULL } - }, - { 'T', &T__optname, - STRING, 0, NULL, opt__T, - { "tags file: ", NULL, NULL } - }, -#endif - { 'u', &u_optname, - TRIPLE|REPAINT, OPT_OFF, &bs_mode, NULL, - { - "Display underlined text in underline mode", - "Backspaces cause overstrike", - "Print backspace as ^H" - } - }, - { 'V', &V__optname, - NOVAR, 0, NULL, opt__V, - { NULL, NULL, NULL } - }, - { 'w', &w_optname, - TRIPLE|REPAINT, OPT_OFF, &show_attn, NULL, - { - "Don't highlight first unread line", - "Highlight first unread line after forward-screen", - "Highlight first unread line after any forward movement", - } - }, - { 'x', &x_optname, - STRING|REPAINT, 0, NULL, opt_x, - { - "Tab stops: ", - "0123456789,", - NULL - } - }, - { 'X', &X__optname, - BOOL|NO_TOGGLE, OPT_OFF, &no_init, NULL, - { - "Send init/deinit strings to terminal", - "Don't use init/deinit strings", - NULL - } - }, - { 'y', &y_optname, - NUMBER, -1, &forw_scroll, NULL, - { - "Forward scroll limit: ", - "Forward scroll limit is %d lines", - NULL - } - }, - { 'z', &z_optname, - NUMBER, -1, &swindow, NULL, - { - "Scroll window size: ", - "Scroll window size is %d lines", - NULL - } - }, - { '"', "e_optname, - STRING, 0, NULL, opt_quote, - { "quotes: ", NULL, NULL } - }, - { '~', &tilde_optname, - BOOL|REPAINT, OPT_ON, &twiddle, NULL, - { - "Don't show tildes after end of file", - "Show tildes after end of file", - NULL - } - }, - { '?', &query_optname, - NOVAR, 0, NULL, opt_query, - { NULL, NULL, NULL } - }, - { '#', £_optname, - NUMBER, 0, &shift_count, NULL, - { - "Horizontal shift: ", - "Horizontal shift %d positions", - NULL - } - }, - { '.', &keypad_optname, - BOOL|NO_TOGGLE, OPT_OFF, &no_keypad, NULL, - { - "Use keypad mode", - "Don't use keypad mode", - NULL - } - }, - { '.', &oldbot_optname, - BOOL, OPT_OFF, &oldbot, NULL, - { - "Use new bottom of screen behavior", - "Use old bottom of screen behavior", - NULL - } - }, - { '.', &follow_optname, - BOOL, FOLLOW_DESC, &follow_mode, NULL, - { - "F command Follows file descriptor", - "F command Follows file name", - NULL - } - }, - { '\0', NULL, NOVAR, 0, NULL, NULL, { NULL, NULL, NULL } } -}; - - -/* - * Initialize each option to its default value. - */ - public void -init_option() -{ - register struct loption *o; - char *p; - - p = lgetenv("LESS_IS_MORE"); - if (p != NULL && *p != '\0') - less_is_more = 1; - - for (o = option; o->oletter != '\0'; o++) - { - /* - * Set each variable to its default. - */ - if (o->ovar != NULL) - *(o->ovar) = o->odefault; - if (o->otype & INIT_HANDLER) - (*(o->ofunc))(INIT, (char *) NULL); - } -} - -/* - * Find an option in the option table, given its option letter. - */ - public struct loption * -findopt(c) - int c; -{ - register struct loption *o; - - for (o = option; o->oletter != '\0'; o++) - { - if (o->oletter == c) - return (o); - if ((o->otype & TRIPLE) && ASCII_TO_UPPER(o->oletter) == c) - return (o); - } - return (NULL); -} - -/* - * - */ - static int -is_optchar(c) - char c; -{ - if (ASCII_IS_UPPER(c)) - return 1; - if (ASCII_IS_LOWER(c)) - return 1; - if (c == '-') - return 1; - return 0; -} - -/* - * Find an option in the option table, given its option name. - * p_optname is the (possibly partial) name to look for, and - * is updated to point after the matched name. - * p_oname if non-NULL is set to point to the full option name. - */ - public struct loption * -findopt_name(p_optname, p_oname, p_err) - char **p_optname; - char **p_oname; - int *p_err; -{ - char *optname = *p_optname; - register struct loption *o; - register struct optname *oname; - register int len; - int uppercase; - struct loption *maxo = NULL; - struct optname *maxoname = NULL; - int maxlen = 0; - int ambig = 0; - int exact = 0; - - /* - * Check all options. - */ - for (o = option; o->oletter != '\0'; o++) - { - /* - * Check all names for this option. - */ - for (oname = o->onames; oname != NULL; oname = oname->onext) - { - /* - * Try normal match first (uppercase == 0), - * then, then if it's a TRIPLE option, - * try uppercase match (uppercase == 1). - */ - for (uppercase = 0; uppercase <= 1; uppercase++) - { - len = sprefix(optname, oname->oname, uppercase); - if (len <= 0 || is_optchar(optname[len])) - { - /* - * We didn't use all of the option name. - */ - continue; - } - if (!exact && len == maxlen) - /* - * Already had a partial match, - * and now there's another one that - * matches the same length. - */ - ambig = 1; - else if (len > maxlen) - { - /* - * Found a better match than - * the one we had. - */ - maxo = o; - maxoname = oname; - maxlen = len; - ambig = 0; - exact = (len == (int)strlen(oname->oname)); - } - if (!(o->otype & TRIPLE)) - break; - } - } - } - if (ambig) - { - /* - * Name matched more than one option. - */ - if (p_err != NULL) - *p_err = OPT_AMBIG; - return (NULL); - } - *p_optname = optname + maxlen; - if (p_oname != NULL) - *p_oname = maxoname == NULL ? NULL : maxoname->oname; - return (maxo); -} |