351 lines
10 KiB
C
351 lines
10 KiB
C
/*-
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* Copyright (c) 1985 Sun Microsystems, Inc.
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)args.c 8.1 (Berkeley) 6/6/93";
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#endif /* not lint */
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#endif
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#include "c.h"
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/*
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* Argument scanning and profile reading code. Default parameters are set
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* here as well.
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*/
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#include <ctype.h>
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#include <err.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "indent_globs.h"
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#include "indent.h"
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#define INDENT_VERSION "2.1.1"
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/* profile types */
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#define PRO_SPECIAL 1 /* special case */
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#define PRO_BOOL 2 /* boolean */
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#define PRO_INT 3 /* integer */
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/* profile specials for booleans */
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#define ON 1 /* turn it on */
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#define OFF 0 /* turn it off */
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/* profile specials for specials */
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#define IGN 1 /* ignore it */
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#define CLI 2 /* case label indent (float) */
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#define STDIN 3 /* use stdin */
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#define KEY 4 /* type (keyword) */
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static void scan_profile(FILE *);
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#define KEY_FILE 5 /* only used for args */
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#define VERSION 6 /* only used for args */
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const char *option_source = "?";
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void add_typedefs_from_file(const char *str);
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/*
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* N.B.: because of the way the table here is scanned, options whose names are
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* substrings of other options must occur later; that is, with -lp vs -l, -lp
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* must be first. Also, while (most) booleans occur more than once, the last
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* default value is the one actually assigned.
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*/
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struct pro {
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const char *p_name; /* name, e.g. -bl, -cli */
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int p_type; /* type (int, bool, special) */
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int p_default; /* the default value (if int) */
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int p_special; /* depends on type */
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int *p_obj; /* the associated variable */
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} pro[] = {
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{"T", PRO_SPECIAL, 0, KEY, 0},
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{"U", PRO_SPECIAL, 0, KEY_FILE, 0},
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{"-version", PRO_SPECIAL, 0, VERSION, 0},
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{"P", PRO_SPECIAL, 0, IGN, 0},
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{"bacc", PRO_BOOL, false, ON, &blanklines_around_conditional_compilation},
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{"badp", PRO_BOOL, false, ON, &blanklines_after_declarations_at_proctop},
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{"bad", PRO_BOOL, false, ON, &blanklines_after_declarations},
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{"bap", PRO_BOOL, false, ON, &blanklines_after_procs},
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{"bbb", PRO_BOOL, false, ON, &blanklines_before_blockcomments},
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{"bc", PRO_BOOL, true, OFF, &ps.leave_comma},
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{"bl", PRO_BOOL, true, OFF, &btype_2},
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{"br", PRO_BOOL, true, ON, &btype_2},
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{"bs", PRO_BOOL, false, ON, &Bill_Shannon},
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{"cdb", PRO_BOOL, true, ON, &comment_delimiter_on_blankline},
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{"cd", PRO_INT, 0, 0, &ps.decl_com_ind},
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{"ce", PRO_BOOL, true, ON, &cuddle_else},
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{"ci", PRO_INT, 0, 0, &continuation_indent},
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{"cli", PRO_SPECIAL, 0, CLI, 0},
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{"cp", PRO_INT, 0, 0, &else_endif_com_ind},
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{"c", PRO_INT, 33, 0, &ps.com_ind},
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{"di", PRO_INT, 16, 0, &ps.decl_indent},
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{"dj", PRO_BOOL, false, ON, &ps.ljust_decl},
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{"d", PRO_INT, 0, 0, &ps.unindent_displace},
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{"eei", PRO_BOOL, false, ON, &extra_expression_indent},
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{"ei", PRO_BOOL, true, ON, &ps.else_if},
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{"fbs", PRO_BOOL, true, ON, &function_brace_split},
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{"fc1", PRO_BOOL, true, ON, &format_col1_comments},
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{"fcb", PRO_BOOL, true, ON, &format_block_comments},
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{"ip", PRO_BOOL, true, ON, &ps.indent_parameters},
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{"i", PRO_INT, 8, 0, &ps.ind_size},
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{"lc", PRO_INT, 0, 0, &block_comment_max_col},
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{"ldi", PRO_INT, -1, 0, &ps.local_decl_indent},
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{"lpl", PRO_BOOL, false, ON, &lineup_to_parens_always},
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{"lp", PRO_BOOL, true, ON, &lineup_to_parens},
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{"l", PRO_INT, 78, 0, &max_col},
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{"nbacc", PRO_BOOL, false, OFF, &blanklines_around_conditional_compilation},
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{"nbadp", PRO_BOOL, false, OFF, &blanklines_after_declarations_at_proctop},
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{"nbad", PRO_BOOL, false, OFF, &blanklines_after_declarations},
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{"nbap", PRO_BOOL, false, OFF, &blanklines_after_procs},
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{"nbbb", PRO_BOOL, false, OFF, &blanklines_before_blockcomments},
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{"nbc", PRO_BOOL, true, ON, &ps.leave_comma},
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{"nbs", PRO_BOOL, false, OFF, &Bill_Shannon},
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{"ncdb", PRO_BOOL, true, OFF, &comment_delimiter_on_blankline},
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{"nce", PRO_BOOL, true, OFF, &cuddle_else},
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{"ndj", PRO_BOOL, false, OFF, &ps.ljust_decl},
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{"neei", PRO_BOOL, false, OFF, &extra_expression_indent},
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{"nei", PRO_BOOL, true, OFF, &ps.else_if},
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{"nfbs", PRO_BOOL, true, OFF, &function_brace_split},
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{"nfc1", PRO_BOOL, true, OFF, &format_col1_comments},
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{"nfcb", PRO_BOOL, true, OFF, &format_block_comments},
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{"nip", PRO_BOOL, true, OFF, &ps.indent_parameters},
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{"nlpl", PRO_BOOL, false, OFF, &lineup_to_parens_always},
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{"nlp", PRO_BOOL, true, OFF, &lineup_to_parens},
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{"npcs", PRO_BOOL, false, OFF, &proc_calls_space},
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{"npro", PRO_SPECIAL, 0, IGN, 0},
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{"npsl", PRO_BOOL, true, OFF, &procnames_start_line},
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{"nsac", PRO_BOOL, false, OFF, &space_after_cast},
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{"nsc", PRO_BOOL, true, OFF, &star_comment_cont},
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{"nsob", PRO_BOOL, false, OFF, &swallow_optional_blanklines},
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{"ntpg", PRO_BOOL, false, OFF, &postgres_tab_rules},
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{"nut", PRO_BOOL, true, OFF, &use_tabs},
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{"nv", PRO_BOOL, false, OFF, &verbose},
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{"pcs", PRO_BOOL, false, ON, &proc_calls_space},
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{"psl", PRO_BOOL, true, ON, &procnames_start_line},
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{"sac", PRO_BOOL, false, ON, &space_after_cast},
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{"sc", PRO_BOOL, true, ON, &star_comment_cont},
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{"sob", PRO_BOOL, false, ON, &swallow_optional_blanklines},
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{"st", PRO_SPECIAL, 0, STDIN, 0},
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{"ta", PRO_BOOL, false, ON, &auto_typedefs},
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{"tpg", PRO_BOOL, false, ON, &postgres_tab_rules},
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{"ts", PRO_INT, 8, 0, &tabsize},
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{"ut", PRO_BOOL, true, ON, &use_tabs},
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{"v", PRO_BOOL, false, ON, &verbose},
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/* whew! */
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{0, 0, 0, 0, 0}
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};
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/*
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* set_profile reads $HOME/.indent.pro and ./.indent.pro and handles arguments
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* given in these files.
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*/
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void
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set_profile(const char *profile_name)
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{
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FILE *f;
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char fname[MAXPGPATH];
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static char prof[] = ".indent.pro";
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if (profile_name == NULL)
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snprintf(fname, sizeof(fname), "%s/%s", getenv("HOME"), prof);
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else
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snprintf(fname, sizeof(fname), "%s", profile_name + 2);
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if ((f = fopen(option_source = fname, "r")) != NULL) {
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scan_profile(f);
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(void) fclose(f);
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}
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if ((f = fopen(option_source = prof, "r")) != NULL) {
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scan_profile(f);
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(void) fclose(f);
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}
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option_source = "Command line";
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}
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static void
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scan_profile(FILE *f)
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{
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int comment, i;
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char *p;
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char buf[BUFSIZ];
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while (1) {
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p = buf;
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comment = 0;
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while ((i = getc(f)) != EOF) {
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if (i == '*' && !comment && p > buf && p[-1] == '/') {
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comment = p - buf;
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*p++ = i;
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} else if (i == '/' && comment && p > buf && p[-1] == '*') {
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p = buf + comment - 1;
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comment = 0;
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} else if (isspace((unsigned char)i)) {
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if (p > buf && !comment)
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break;
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} else {
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*p++ = i;
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}
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}
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if (p != buf) {
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*p++ = 0;
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if (verbose)
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printf("profile: %s\n", buf);
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set_option(buf);
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}
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else if (i == EOF)
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return;
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}
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}
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static const char *
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eqin(const char *s1, const char *s2)
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{
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while (*s1) {
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if (*s1++ != *s2++)
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return (NULL);
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}
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return (s2);
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}
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/*
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* Set the defaults.
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*/
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void
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set_defaults(void)
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{
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struct pro *p;
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/*
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* Because ps.case_indent is a float, we can't initialize it from the
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* table:
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*/
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ps.case_indent = 0.0; /* -cli0.0 */
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for (p = pro; p->p_name; p++)
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if (p->p_type != PRO_SPECIAL)
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*p->p_obj = p->p_default;
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}
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void
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set_option(char *arg)
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{
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struct pro *p;
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const char *param_start;
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arg++; /* ignore leading "-" */
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for (p = pro; p->p_name; p++)
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if (*p->p_name == *arg && (param_start = eqin(p->p_name, arg)) != NULL)
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goto found;
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errx(1, "%s: unknown parameter \"%s\"", option_source, arg - 1);
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found:
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switch (p->p_type) {
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case PRO_SPECIAL:
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switch (p->p_special) {
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case IGN:
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break;
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case CLI:
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if (*param_start == 0)
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goto need_param;
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ps.case_indent = atof(param_start);
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break;
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case STDIN:
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if (input == NULL)
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input = stdin;
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if (output == NULL)
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output = stdout;
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break;
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case KEY:
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if (*param_start == 0)
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goto need_param;
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add_typename(param_start);
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break;
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case KEY_FILE:
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if (*param_start == 0)
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goto need_param;
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add_typedefs_from_file(param_start);
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break;
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case VERSION:
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printf("pg_bsd_indent %s (based on FreeBSD indent)\n", INDENT_VERSION);
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exit(0);
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default:
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errx(1, "set_option: internal error: p_special %d", p->p_special);
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}
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break;
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case PRO_BOOL:
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if (p->p_special == OFF)
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*p->p_obj = false;
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else
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*p->p_obj = true;
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break;
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case PRO_INT:
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if (!isdigit((unsigned char)*param_start)) {
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need_param:
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errx(1, "%s: ``%s'' requires a parameter", option_source, p->p_name);
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}
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*p->p_obj = atoi(param_start);
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break;
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default:
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errx(1, "set_option: internal error: p_type %d", p->p_type);
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}
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}
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void
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add_typedefs_from_file(const char *str)
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{
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FILE *file;
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char line[BUFSIZ];
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if ((file = fopen(str, "r")) == NULL) {
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fprintf(stderr, "indent: cannot open file %s\n", str);
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exit(1);
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}
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while ((fgets(line, BUFSIZ, file)) != NULL) {
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/* Remove trailing whitespace */
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line[strcspn(line, " \t\n\r")] = '\0';
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add_typename(line);
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}
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fclose(file);
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}
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