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- /*
- * Copyright (c) 1985 Sun Microsystems, Inc.
- * Copyright (c) 1980 The Regents of the University of California.
- * Copyright (c) 1976 Board of Trustees of the University of Illinois.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley, the University of Illinois,
- * Urbana, and Sun Microsystems, Inc. The name of either University
- * or Sun Microsystems may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)args.c 5.8 (Berkeley) 5/15/89";
- #endif /* not lint */
-
- /*
- * Argument scanning and profile reading code. Default parameters are set
- * here as well.
- */
-
- #include <ctype.h>
- #ifdef __STDC__
- #include <stdlib.h> /* getenv */
- #else
- char *getenv();
- #endif
- #include "externs.h"
- #include "args.h"
- #include "version.h"
-
- int else_endif_col;
-
- extern char *in_name;
-
- /* profile types */
- enum profile {PRO_BOOL, /* boolean */
- PRO_INT, /* integer */
- PRO_FONT, /* troff font */
- PRO_IGN, /* ignore it */
- PRO_KEY, /* -T switch */
- PRO_SETTINGS, /* bundled set of settings */
- PRO_PRSTRING /* Print string and exit */
- };
-
- /* profile specials for booleans */
- enum on_or_off {
- ONOFF_NA, /* Not applicable. Used in table for non-booleans. */
- OFF, /* This option turns on the boolean variable in question. */
- ON /* it turns it off */
- };
-
- /* Explicit flags for each option. */
- static int exp_T = 0;
- static int exp_bacc = 0;
- static int exp_badp = 0;
- static int exp_bad = 0;
- static int exp_bap = 0;
- static int exp_bbb = 0;
- static int exp_bc = 0;
- static int exp_bli = 0;
- static int exp_bl = 0;
- static int exp_bs = 0;
- static int exp_cdb = 0;
- static int exp_cd = 0;
- static int exp_ce = 0;
- static int exp_ci = 0;
- static int exp_cli = 0;
- static int exp_cp = 0;
- static int exp_cs = 0;
- static int exp_c = 0;
- static int exp_di = 0;
- static int exp_dj = 0;
- static int exp_d = 0;
- static int exp_eei = 0;
- static int exp_ei = 0;
- static int exp_fbc = 0;
- static int exp_fbx = 0;
- static int exp_fb = 0;
- static int exp_fc1 = 0;
- static int exp_fca = 0;
- static int exp_fc = 0;
- static int exp_fk = 0;
- static int exp_fs = 0;
- static int exp_gnu = 0;
- static int exp_ip = 0;
- static int exp_i = 0;
- static int exp_lc = 0;
- static int exp_lp = 0;
- static int exp_l = 0;
- static int exp_pcs = 0;
- static int exp_psl = 0;
- static int exp_pro = 0;
- static int exp_ps = 0;
- static int exp_kr = 0;
- static int exp_sc = 0;
- static int exp_sob = 0;
- static int exp_ss = 0;
- static int exp_st = 0;
- static int exp_troff = 0;
- static int exp_v = 0;
- static int exp_version = 0;
-
- /* The following variables are controlled by command line parameters and
- their meaning is explained in indent_globs.h. */
- int leave_comma;
- int decl_com_ind;
- int case_indent;
- int com_ind;
- int decl_indent;
- int ljust_decl;
- int unindent_displace;
- int else_if;
- int indent_parameters;
- int ind_size;
- int blanklines_after_procs;
- int use_stdinout;
-
- /* Name of where options are currently being read from (one of the
- .indent.pro files, or the command line). */
- char *option_source = "?";
-
- /*
- * N.B.: because of the way the table here is scanned, options whose names are
- * substrings of other options must occur later; that is, with -lp vs -l, -lp
- * must be first. Also, while (most) booleans occur more than once, the last
- * default value is the one actually assigned.
- */
- struct pro {
- char *p_name; /* name, eg -bl, -cli */
- enum profile p_type;
- int p_default; /* the default value (if int) */
-
- /* If p_type == PRO_BOOL, ON or OFF to tell how this switch affects
- the variable.
- Not used for other p_type's. */
- enum on_or_off p_special;
-
- /* if p_type == PRO_SETTINGS, a (char *) pointing to a list of the
- switches to set, separated by NULs, terminated by 2 NULs.
- if p_type == PRO_BOOL, PRO_INT, or PRO_FONT, address of the
- variable that gets set by the option.
- if p_type == PRO_PRSTRING, a (char *) pointing to the string. */
- int *p_obj;
-
- /* Points to a nonzero value (allocated statically for all options)
- if the option has been specified explicitly. This is necessary
- because for boolean options, the options to set and reset the
- variable must share the explicit flag. */
- int* p_explicit;
- };
-
- struct pro pro[] = {
-
- {"T", PRO_KEY, 0, ONOFF_NA, 0, &exp_T},
- {"bacc", PRO_BOOL, false, ON,
- &blanklines_around_conditional_compilation, &exp_bacc},
- {"badp", PRO_BOOL, false, ON,
- &blanklines_after_declarations_at_proctop, &exp_badp},
- {"bad", PRO_BOOL, false, ON, &blanklines_after_declarations, &exp_bad},
- {"bap", PRO_BOOL, false, ON, &blanklines_after_procs, &exp_bap},
- {"bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments, &exp_bbb},
- {"bc", PRO_BOOL, true, OFF, &leave_comma, &exp_bc},
- {"bli", PRO_INT, 0, ONOFF_NA, &brace_indent, &exp_bli},
- {"bl", PRO_BOOL, true, OFF, &btype_2, &exp_bl},
- {"br", PRO_BOOL, true, ON, &btype_2, &exp_bl},
- {"bs", PRO_BOOL, false, ON, &Bill_Shannon, &exp_bs},
- {"cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline, &exp_cdb},
- {"cd", PRO_INT, 0, ONOFF_NA, &decl_com_ind, &exp_cd},
- {"ce", PRO_BOOL, true, ON, &cuddle_else, &exp_ce},
- {"ci", PRO_INT, 0, ONOFF_NA, &continuation_indent, &exp_ci},
- {"cli", PRO_INT, 0, ONOFF_NA, &case_indent, &exp_cli},
- {"cp", PRO_INT, 33, ONOFF_NA, &else_endif_col, &exp_cp},
- {"cs", PRO_BOOL, true, ON, &cast_space, &exp_cs},
- {"c", PRO_INT, 33, ONOFF_NA, &com_ind, &exp_c},
- {"di", PRO_INT, 16, ONOFF_NA, &decl_indent, &exp_di},
- {"dj", PRO_BOOL, false, ON, &ljust_decl, &exp_dj},
- {"d", PRO_INT, 0, ONOFF_NA, &unindent_displace, &exp_d},
- {"eei", PRO_BOOL, false, ON, &extra_expression_indent, &exp_eei},
- {"ei", PRO_BOOL, true, ON, &else_if, &exp_ei},
- {"fbc", PRO_FONT, 0, ONOFF_NA, (int *) &blkcomf, &exp_fbc},
- {"fbx", PRO_FONT, 0, ONOFF_NA, (int *) &boxcomf, &exp_fbx},
- {"fb", PRO_FONT, 0, ONOFF_NA, (int *) &bodyf, &exp_fb},
- {"fc1", PRO_BOOL, true, ON, &format_col1_comments, &exp_fc1},
- {"fca", PRO_BOOL, true, ON, &format_comments, &exp_fca},
- {"fc", PRO_FONT, 0, ONOFF_NA, (int *) &scomf, &exp_fc},
- {"fk", PRO_FONT, 0, ONOFF_NA, (int *) &keywordf, &exp_fk},
- {"fs", PRO_FONT, 0, ONOFF_NA, (int *) &stringf, &exp_fs},
- {"gnu", PRO_SETTINGS, 0, ONOFF_NA,
- (int *)"-nbad\0-bap\0-nbbb\0-nbc\0-bl\0-ncdb\0-cs\0-nce\0-di1\0-ndj\0\
- -ei\0-nfc1\0-i2\0-ip5\0-lp\0-pcs\0-nps\0-psl\0-nsc\0-nsob\0-bli2\0-ss\0\
- -cp1\0-nfca\0", &exp_gnu},
- {"ip", PRO_INT, 4, ON, &indent_parameters, &exp_ip},
- {"i", PRO_INT, 4, ONOFF_NA, &ind_size, &exp_i},
- {"kr", PRO_SETTINGS, 0, ONOFF_NA,
- (int *)"-nbad\0-bap\0-nbbb\0-nbc\0-br\0-c33\0-cd33\0-ncdb\0-ce\0\
- -ci4\0-cli0\0-d0\0-di1\0-nfc1\0-i4\0-ip0\0-l75\0-lp\0-npcs\0-npsl\0-cs\0\
- -nsc\0-nsc\0-nsob\0-nfca\0-cp33\0-nss\0", &exp_kr},
- {"lc", PRO_INT, 0, ONOFF_NA, &block_comment_max_col, &exp_lc},
- {"lp", PRO_BOOL, true, ON, &lineup_to_parens, &exp_lp},
- {"l", PRO_INT, 78, ONOFF_NA, &max_col, &exp_l},
- {"nbacc", PRO_BOOL, false, OFF,
- &blanklines_around_conditional_compilation, &exp_bacc},
- {"nbadp", PRO_BOOL, false, OFF,
- &blanklines_after_declarations_at_proctop, &exp_badp},
- {"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations, &exp_bad},
- {"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs, &exp_bap},
- {"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments, &exp_bbb},
- {"nbc", PRO_BOOL, true, ON, &leave_comma, &exp_bc},
- {"nbs", PRO_BOOL, false, OFF, &Bill_Shannon, &exp_bs},
- {"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline, &exp_cdb},
- {"nce", PRO_BOOL, true, OFF, &cuddle_else, &exp_ce},
- {"ncs", PRO_BOOL, true, OFF, &cast_space, &exp_cs},
- {"ndj", PRO_BOOL, false, OFF, &ljust_decl, &exp_dj},
- {"neei", PRO_BOOL, false, OFF, &extra_expression_indent, &exp_eei},
- {"nei", PRO_BOOL, true, OFF, &else_if, &exp_ei},
- {"nfc1", PRO_BOOL, true, OFF, &format_col1_comments, &exp_fc1},
- {"nfca", PRO_BOOL, true, OFF, &format_comments, &exp_fca},
- {"nlp", PRO_BOOL, true, OFF, &lineup_to_parens, &exp_lp},
- {"npcs", PRO_BOOL, false, OFF, &proc_calls_space, &exp_pcs},
- {"npro", PRO_IGN, 0, ONOFF_NA, 0, &exp_pro},
- {"npsl", PRO_BOOL, true, OFF, &procnames_start_line, &exp_psl},
- {"nps", PRO_BOOL, false, OFF, &pointer_as_binop, &exp_ps},
- {"nsc", PRO_BOOL, true, OFF, &star_comment_cont, &exp_sc},
- {"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines, &exp_sob},
- {"nss", PRO_BOOL, false, OFF, &space_sp_semicolon, &exp_ss},
- {"nv", PRO_BOOL, false, OFF, &verbose, &exp_v},
- {"pcs", PRO_BOOL, false, ON, &proc_calls_space, &exp_pcs},
- {"psl", PRO_BOOL, true, ON, &procnames_start_line, &exp_psl},
- {"ps", PRO_BOOL, false, ON, &pointer_as_binop, &exp_ps},
- {"sc", PRO_BOOL, true, ON, &star_comment_cont, &exp_sc},
- {"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines, &exp_sob},
- {"ss", PRO_BOOL, false, ON, &space_sp_semicolon, &exp_ss},
- {"st", PRO_BOOL, false, ON, &use_stdinout, &exp_st},
- {"troff", PRO_BOOL, false, ON, &troff, &exp_troff},
- {"version", PRO_PRSTRING, 0, ONOFF_NA,
- (int *)VERSION_STRING, &exp_version},
- {"v", PRO_BOOL, false, ON, &verbose, &exp_v},
-
- /* Signify end of structure. */
- {0, PRO_IGN, 0, ONOFF_NA, 0, 0}
- };
-
- /*
- * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments
- * given in these files.
- */
- void set_profile(void)
- {
- register FILE *f;
- #ifdef __arm /* Name of indent.pro is system dependent */
- static char prof[] = "indent:indent_pro"; /* search via indent$path */
- #else
- char *fname;
- static char prof[] = ".indent.pro";
- char *homedir;
- #endif
-
- #ifdef __arm /* read profile */
- /* Archie version gets benefit of path from OS,
- BUT doesn't read multple profiles for -T typedef names :-(
- What we *should* add is scanning profile of directory
- containing the source file, and sourcefile.pro ... */
- #else
- homedir = getenv("HOME");
- fname = xmalloc(strlen(homedir) + 10 + sizeof prof);
- sprintf(fname, "%s/%s", homedir, prof);
- if ((f = fopen(option_source = fname, "r")) != NULL) {
- scan_profile(f);
- (void) fclose(f);
- }
- xfree (fname); /* Moved in here so only freed if used */
- #endif
- if ((f = fopen(option_source = prof, "r")) != NULL) {
- scan_profile(f);
- (void) fclose(f);
- }
- option_source = "Command line";
- }
-
- void scan_profile(register FILE *f)
- {
- register int i;
- register char *p;
- char buf[BUFSIZ];
-
- while (1) {
- for (p = buf; (i = getc(f)) != EOF && (*p = i) > ' '; ++p);
- if (p != buf) {
- *p++ = 0;
- if (verbose)
- printf("profile: %s\n", buf);
- set_option(buf, 1);
- }
- else if (i == EOF)
- return;
- }
- }
-
- /* S1 should be a string. S2 should be a string, perhaps followed by
- an argument. Compare the two, returning true if they are equal,
- and if they are equal set *START_PARAM to point to the argument
- in S2. */
- int eqin(register char *s1, register char *s2, char **start_param)
- {
- while (*s1) {
- if (*s1++ != *s2++)
- return (false);
- }
- *start_param = s2;
- return (true);
- }
-
- /*
- * Set the defaults.
- */
- void set_defaults(void)
- {
- register struct pro *p;
-
- for (p = pro; p->p_name; p++)
- if (p->p_type == PRO_BOOL || p->p_type == PRO_INT)
- *p->p_obj = p->p_default;
- }
-
- /* Process an option ARG (e.g. "-l60").
- EXPLICIT should be nonzero iff the argument is being explicitly
- specified (as opposed to being taken from a PRO_SETTINGS group of
- settings). */
-
- void set_option (char *arg, int explicit)
- {
- struct pro *p;
- char *param_start;
-
- arg++; /* ignore leading "-" */
- for (p = pro; p->p_name; p++)
- if (*p->p_name == *arg && eqin(p->p_name, arg, ¶m_start))
- goto found;
- fprintf(stderr, "indent: %s: unknown parameter \"%s\"\n", option_source, arg - 1);
- exit(1);
- found:
- /* If the parameter has been explicitly specified, we don't */
- /* want a group of bundled settings to override the explicit */
- /* setting. */
- if (explicit || !*(p->p_explicit))
- {
- if (explicit)
- *(p->p_explicit) = 1;
-
- switch (p->p_type) {
-
- case PRO_PRSTRING:
- puts ((char *)p->p_obj);
- exit (0);
-
- case PRO_SETTINGS:
- {
- char *t; /* current position */
-
- t = (char *)p->p_obj;
- do
- {
- set_option(t, 0);
- /* advance to character following next NUL */
- while (*t++) ;
- }
- while (*t);
- }
-
- case PRO_IGN:
- break;
-
- case PRO_KEY:
- if (*param_start == 0)
- goto need_param;
- {
- register char *str = (char *) xmalloc(strlen(param_start) + 1);
- strcpy(str, param_start);
- addkey(str, 4);
- }
- break;
-
- case PRO_BOOL:
- if (p->p_special == OFF)
- *p->p_obj = false;
- else
- *p->p_obj = true;
- break;
-
- case PRO_INT:
- if (!isdigit(*param_start)) {
- need_param:
- fprintf(stderr, "indent: %s: ``%s'' requires a parameter\n",
- option_source, arg - 1);
- exit(1);
- }
- *p->p_obj = atoi(param_start);
- break;
-
- case PRO_FONT:
- parsefont((struct fstate *) p->p_obj, param_start);
- break;
-
- default:
- fprintf(stderr, "indent: set_option: internal error: p_type %d\n",
- p->p_type);
- exit(1);
- }
- }
- }
-