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authordelphij <delphij@FreeBSD.org>2009-05-08 23:34:35 +0000
committerdelphij <delphij@FreeBSD.org>2009-05-08 23:34:35 +0000
commitd069efd47cacc3156036ed37d5532d6a1d4f55c3 (patch)
tree2526f6b109843b646672c1537476dc51e56c0454 /contrib/less/opttbl.c
parent6aa3e25391d160482339ee072c010bcd22dfbbd1 (diff)
downloadFreeBSD-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.c602
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
- }
- },
- { '"', &quote_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 }
- },
- { '#', &pound_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);
-}
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