home *** CD-ROM | disk | FTP | other *** search
- /*
- * 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
- # ifndef OS2
- static char sccsid[] = "@(#)args.c 6.0 (Berkeley) 92/06/15";
- # endif
- #endif /* not lint */
-
- /*
- * Argument scanning and profile reading code. Default parameters are set
- * here as well.
- */
-
- #include "globals.h"
- #include <sys/types.h>
- #include <ctype.h>
-
- #ifdef OS2
- #include <stdlib.h>
- #include <string.h>
- #include <malloc.h>
- #define INCL_NOPM
- #define INCL_NOPMAPI
- #define INCL_BASE
- #define INCL_DOSFILEMGR
- #include <os2.h>
- #define MAXPATHLEN CCHMAXPATH
- #define index(a,b) strchr(a,b)
- #else
- char *getenv(), *index();
-
- #endif
-
- #ifdef ANSIC
- static void scan_profile(FILE *);
- static FILE *fopenenv(char *, char *, char *);
-
- #else
- static FILE *fopenenv();
-
- #endif
-
- /* profile types */
- #define PRO_SPECIAL 1 /* special case */
- #define PRO_BOOL 2 /* boolean */
- #define PRO_INT 3 /* integer */
- #define PRO_FONT 4 /* troff font */
-
- /* profile specials for booleans */
- #define ON 1 /* turn it on */
- #define OFF 0 /* turn it off */
-
- /* profile specials for specials */
- #define IGN 1 /* ignore it */
- #define CLI 2 /* case label indent (float) */
- #define STDIN 3 /* use stdin */
- #define KEY 4 /* type (keyword) */
- #define CCI 5 /* case code indent (float) */
-
- /*
- * 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 */
- int p_type; /* type (int, bool, special) */
- int p_default; /* the default value (if int) */
- int p_special; /* depends on type */
- int *p_obj; /* the associated variable */
- } pro[] =
-
- {
-
- "T", PRO_SPECIAL, 0, KEY, 0,
- "bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation,
- "badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop,
- "bad", PRO_BOOL, false, ON, &blanklines_after_declarations,
- "bap", PRO_BOOL, false, ON, &blanklines_after_procs,
- "bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments,
- "bc", PRO_BOOL, true, OFF, &ps.leave_comma,
- "bl", PRO_BOOL, false, OFF, &btype_2,
- "brr", PRO_BOOL, false, ON, &btype_3,
- "br", PRO_BOOL, true, ON, &btype_2,
- "bs", PRO_BOOL, false, ON, &Bill_Shannon,
- "cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline,
- "cd", PRO_INT, 0, 0, &ps.decl_com_ind,
- "ce", PRO_BOOL, true, ON, &cuddle_else,
- "ci", PRO_INT, 0, 0, &continuation_indent,
- "cli", PRO_SPECIAL, 0, CLI, 0,
- "cci", PRO_SPECIAL, 0, CCI, 0,
- "c", PRO_INT, 33, 0, &ps.com_ind,
- "di", PRO_INT, 16, 0, &ps.decl_indent,
- "dj", PRO_BOOL, false, ON, &ps.ljust_decl,
- "d", PRO_INT, 0, 0, &ps.unindent_displace,
- "eei", PRO_BOOL, false, ON, &extra_expression_indent,
- "ei", PRO_BOOL, true, ON, &ps.else_if,
- "fbc", PRO_FONT, 0, 0, (int *) &blkcomf,
- "fbx", PRO_FONT, 0, 0, (int *) &boxcomf,
- "fb", PRO_FONT, 0, 0, (int *) &bodyf,
- "fc1", PRO_BOOL, true, ON, &format_col1_comments,
- "fc", PRO_FONT, 0, 0, (int *) &scomf,
- "fk", PRO_FONT, 0, 0, (int *) &keywordf,
- "fs", PRO_FONT, 0, 0, (int *) &stringf,
- "ip", PRO_BOOL, true, ON, &ps.indent_parameters,
- "i", PRO_INT, 8, 0, &ps.ind_size,
- "lc", PRO_INT, 0, 0, &block_comment_max_col,
- "lp", PRO_BOOL, true, ON, &lineup_to_parens,
- "l", PRO_INT, 78, 0, &max_col,
- "nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation,
- "nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop,
- "nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations,
- "nbap", PRO_BOOL, false, OFF, &blanklines_after_procs,
- "nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments,
- "nbc", PRO_BOOL, true, ON, &ps.leave_comma,
- "nbs", PRO_BOOL, false, OFF, &Bill_Shannon,
- "ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline,
- "nce", PRO_BOOL, true, OFF, &cuddle_else,
- "ndj", PRO_BOOL, false, OFF, &ps.ljust_decl,
- "neei", PRO_BOOL, false, OFF, &extra_expression_indent,
- "nei", PRO_BOOL, true, OFF, &ps.else_if,
- "nfc1", PRO_BOOL, true, OFF, &format_col1_comments,
- "nip", PRO_BOOL, true, OFF, &ps.indent_parameters,
- "nlp", PRO_BOOL, true, OFF, &lineup_to_parens,
- "npcs", PRO_BOOL, false, OFF, &proc_calls_space,
- "npro", PRO_SPECIAL, 0, IGN, 0,
- "nprs", PRO_BOOL, false, OFF, &parens_space,
- "npsl", PRO_BOOL, true, OFF, &procnames_start_line,
- "nps", PRO_BOOL, false, OFF, &pointer_as_binop,
- "nsc", PRO_BOOL, true, OFF, &star_comment_cont,
- "nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines,
- "nv", PRO_BOOL, false, OFF, &verbose,
- "pcs", PRO_BOOL, false, ON, &proc_calls_space,
- "prs", PRO_BOOL, false, ON, &parens_space,
- "psl", PRO_BOOL, true, ON, &procnames_start_line,
- "ps", PRO_BOOL, false, ON, &pointer_as_binop,
- "sc", PRO_BOOL, true, ON, &star_comment_cont,
- "sob", PRO_BOOL, false, ON, &swallow_optional_blanklines,
- "st", PRO_SPECIAL, 0, STDIN, 0,
- "tabs", PRO_INT, 8, 0, &tabsize,
- "troff", PRO_BOOL, false, ON, &troff,
- "v", PRO_BOOL, false, ON, &verbose,
- "+", PRO_BOOL, false, ON, &cplus,
- /* whew! */
- 0, 0, 0, 0, 0
- };
-
- /*
- * set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments
- * given in these files.
- */
- #ifdef ANSIC
- void set_profile(void)
- #else
- set_profile()
- #endif
- {
- FILE *f;
-
- #ifdef OS2
- # ifdef __32BIT__
- # define MODE_PROTECTED 1
- # endif
- char MachineMode = MODE_PROTECTED;
- static char prof[] = "indent.pro";
-
- #else
- static char prof[] = ".indent.pro";
-
- #endif
-
- f = fopenenv(prof, "r", "HOME");
-
- #ifdef OS2
- # ifndef __32BIT__ /* Must be MSDOS or OS/2 1.x code */
- DosGetMachineMode(&MachineMode);
- # endif
- if (MachineMode == MODE_PROTECTED)
- if (f == NULL)
- f = fopenenv(prof, "r", "DPATH");
- #endif
- if (f == NULL)
- f = fopenenv(prof, "r", "PATH");
-
- if (f != NULL)
- {
- scan_profile(f);
- (void) fclose(f);
- }
-
- if ((f = fopen(prof, "r")) != NULL)
- {
- scan_profile(f);
- (void) fclose(f);
- }
- }
-
- #ifdef ANSIC
- static void scan_profile(FILE *f)
- #else
- scan_profile(f)
- FILE *f;
-
- #endif
- {
- register int i;
- register char *p;
- char buf[BUFSIZ];
-
- while (1)
- {
- for (p = buf; (i = getc(f)) != EOF && (*p = (char) i) > ' '; ++p);
- if (p != buf)
- {
- *p++ = 0;
- if (verbose)
- printf("profile: %s\n", buf);
- set_option(buf);
- }
- else if (i == EOF)
- return;
- }
- }
-
- static char *param_start;
-
- #ifdef ANSIC
- static int eqin(register char *s1, register char *s2)
- #else
- eqin(s1, s2)
- register char *s1;
- register char *s2;
-
- #endif
- {
- while (*s1)
- {
- if (*s1++ != *s2++)
- return (false);
- }
- param_start = s2;
- return (true);
- }
-
- /*
- * Set the defaults.
- */
- #ifdef ANSIC
- void set_defaults(void)
- #else
- set_defaults()
- #endif
- {
- register struct pro *p;
-
- /*
- Because ps.case_indent and ps.case_code_indent are floats, we can't
- initialize them from the table:
- */
- ps.case_indent = (float) 0; /* -cli0.0 */
- ps.case_code_indent = (float) 1; /* -cci1.0 */
- for (p = pro; p->p_name != NULL; p++)
- if (p->p_type != PRO_SPECIAL && p->p_type != PRO_FONT)
- *p->p_obj = p->p_default;
- }
-
- #ifdef ANSIC
- void set_option(register char *arg)
- #else
- set_option(arg)
- register char *arg;
-
- #endif
- {
- register struct pro *p;
-
- #ifndef ANSIC
- extern double atof();
-
- #endif
- arg++; /* ignore leading "-" */
- for (p = pro; p->p_name; p++)
- if (*p->p_name == *arg && eqin(p->p_name, arg))
- goto found;
- fprintf(stderr, "indent: unknown parameter \"%s\"\n", arg - 1);
- exit(1);
- found:
- switch (p->p_type)
- {
-
- case PRO_SPECIAL:
- switch (p->p_special)
- {
-
- case IGN:
- break;
-
- case CLI:
- if (*param_start == 0)
- goto need_param;
- ps.case_indent = (float) atof(param_start);
- break;
-
- case CCI:
- if (*param_start == 0)
- goto need_param;
- ps.case_code_indent = (float) atof(param_start);
- break;
-
- case STDIN:
- if (input == NULL)
- input = stdin;
- if (output == NULL)
- output = stdout;
- break;
-
- case KEY:
- if (*param_start == 0)
- goto need_param;
- {
- register char *str = (char *) malloc(strlen(param_start) + 1);
-
- strcpy(str, param_start);
- addkey(str, 4);
- }
- break;
-
- default:
- fprintf(stderr,
- "indent: set_option: internal error: p_special %d\n",
- p->p_special);
- exit(1);
- }
- break;
-
- case PRO_BOOL:
- if (p->p_special == OFF)
- *p->p_obj = false;
- else
- *p->p_obj = true;
- break;
-
- case PRO_INT:
- if (*param_start == 0)
- {
- need_param:
- fprintf(stderr, "indent: \"%s\" requires a parameter\n",
- 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);
- }
- }
-
- /*------------------------------------------------------------------------------
-
- FILE *fopenenv(char *name, char *mode, char *env)
-
- Similar to fopen() but searches the directories listed in environment
- item 'env' for the file.
-
- Written 14 April 1992 by Jon Saxton who is fairly sure that a function
- like this already exists somewhere but who couldn't find one.
-
- ------------------------------------------------------------------------------*/
-
- #ifdef ANSIC
- FILE *fopenenv(char *name, char *mode, char *env)
- #else
- FILE *fopenenv(name, mode, env)
- char *name, *mode, *env;
-
- #endif
- {
- char FullName[MAXPATHLEN];
-
- _searchenv(name, env, FullName);
- if (strlen(FullName) == 0)
- return NULL;
- return fopen(FullName, mode);
- }
-