diff options
Diffstat (limited to 'gnu/usr.bin/groff/groff/groff.cc')
| -rw-r--r-- | gnu/usr.bin/groff/groff/groff.cc | 588 |
1 files changed, 0 insertions, 588 deletions
diff --git a/gnu/usr.bin/groff/groff/groff.cc b/gnu/usr.bin/groff/groff/groff.cc deleted file mode 100644 index 8ef9262..0000000 --- a/gnu/usr.bin/groff/groff/groff.cc +++ /dev/null @@ -1,588 +0,0 @@ -// -*- C++ -*- -/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. - Written by James Clark (jjc@jclark.com) - -This file is part of groff. - -groff is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -groff is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License along -with groff; see the file COPYING. If not, write to the Free Software -Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -// A front end for groff. - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <signal.h> -#include <errno.h> - -#include "lib.h" -#include "assert.h" -#include "errarg.h" -#include "error.h" -#include "stringclass.h" -#include "cset.h" -#include "font.h" -#include "device.h" -#include "pipeline.h" -#include "defs.h" - -#define BSHELL "/bin/sh" -#define GXDITVIEW "gxditview" - -// troff will be passed an argument of -rXREG=1 if the -X option is -// specified -#define XREG ".X" - -#ifndef STDLIB_H_DECLARES_PUTENV -extern "C" { - int putenv(const char *); -} -#endif /* not STDLIB_H_DECLARES_PUTENV */ - -const int SOELIM_INDEX = 0; -const int REFER_INDEX = SOELIM_INDEX + 1; -const int PIC_INDEX = REFER_INDEX + 1; -const int TBL_INDEX = PIC_INDEX + 1; -const int EQN_INDEX = TBL_INDEX + 1; -const int TROFF_INDEX = EQN_INDEX + 1; -const int POST_INDEX = TROFF_INDEX + 1; -const int SPOOL_INDEX = POST_INDEX + 1; - -const int NCOMMANDS = SPOOL_INDEX + 1; - -class possible_command { - char *name; - string args; - char **argv; - - void build_argv(); -public: - possible_command(); - ~possible_command(); - void set_name(const char *); - void set_name(const char *, const char *); - const char *get_name(); - void append_arg(const char *, const char * = 0); - void clear_args(); - char **get_argv(); - void print(int is_last, FILE *fp); -}; - -int lflag = 0; -char *spooler = 0; -char *driver = 0; - -possible_command commands[NCOMMANDS]; - -int run_commands(); -void print_commands(); -void append_arg_to_string(const char *arg, string &str); -void handle_unknown_desc_command(const char *command, const char *arg, - const char *filename, int lineno); -const char *basename(const char *); - -void usage(); -void help(); - -int main(int argc, char **argv) -{ - program_name = argv[0]; - static char stderr_buf[BUFSIZ]; - setbuf(stderr, stderr_buf); - assert(NCOMMANDS <= MAX_COMMANDS); - string Pargs, Largs, Fargs; - int Vflag = 0; - int zflag = 0; - int iflag = 0; - int Xflag = 0; - int opt; - const char *command_prefix = getenv("GROFF_COMMAND_PREFIX"); - if (!command_prefix) - command_prefix = PROG_PREFIX; - commands[TROFF_INDEX].set_name(command_prefix, "troff"); - while ((opt = getopt(argc, argv, - "itpeRszavVhblCENXZF:m:T:f:w:W:M:d:r:n:o:P:L:")) - != EOF) { - char buf[3]; - buf[0] = '-'; - buf[1] = opt; - buf[2] = '\0'; - switch (opt) { - case 'i': - iflag = 1; - break; - case 't': - commands[TBL_INDEX].set_name(command_prefix, "tbl"); - break; - case 'p': - commands[PIC_INDEX].set_name(command_prefix, "pic"); - break; - case 'e': - commands[EQN_INDEX].set_name(command_prefix, "eqn"); - break; - case 's': - commands[SOELIM_INDEX].set_name(command_prefix, "soelim"); - break; - case 'R': - commands[REFER_INDEX].set_name(command_prefix, "refer"); - break; - case 'z': - case 'a': - commands[TROFF_INDEX].append_arg(buf); - // fall through - case 'Z': - zflag++; - break; - case 'l': - lflag++; - break; - case 'V': - Vflag++; - break; - case 'v': - case 'C': - commands[SOELIM_INDEX].append_arg(buf); - commands[PIC_INDEX].append_arg(buf); - commands[TBL_INDEX].append_arg(buf); - commands[EQN_INDEX].append_arg(buf); - commands[TROFF_INDEX].append_arg(buf); - break; - case 'N': - commands[EQN_INDEX].append_arg(buf); - break; - case 'h': - help(); - break; - case 'E': - case 'b': - commands[TROFF_INDEX].append_arg(buf); - break; - case 'T': - if (strcmp(optarg, "Xps") == 0) { - warning("-TXps option is obsolete: use -X -Tps instead"); - device = "ps"; - Xflag++; - } - else - device = optarg; - break; - case 'F': - font::command_line_font_dir(optarg); - if (Fargs.length() > 0) { - Fargs += ':'; - Fargs += optarg; - } - else - Fargs = optarg; - break; - case 'f': - case 'o': - case 'm': - case 'r': - case 'd': - case 'n': - case 'w': - case 'W': - commands[TROFF_INDEX].append_arg(buf, optarg); - break; - case 'M': - commands[EQN_INDEX].append_arg(buf, optarg); - commands[TROFF_INDEX].append_arg(buf, optarg); - break; - case 'P': - Pargs += optarg; - Pargs += '\0'; - break; - case 'L': - append_arg_to_string(optarg, Largs); - break; - case 'X': - Xflag++; - break; - case '?': - usage(); - break; - default: - assert(0); - break; - } - } - font::set_unknown_desc_command_handler(handle_unknown_desc_command); - if (!font::load_desc()) - fatal("invalid device `%1'", device); - if (!driver) - fatal("no `postpro' command in DESC file for device `%1'", device); - const char *real_driver = 0; - if (Xflag) { - real_driver = driver; - driver = GXDITVIEW; - commands[TROFF_INDEX].append_arg("-r" XREG "=", "1"); - } - if (driver) - commands[POST_INDEX].set_name(driver); - int gxditview_flag = driver && strcmp(basename(driver), GXDITVIEW) == 0; - if (gxditview_flag && argc - optind == 1) { - commands[POST_INDEX].append_arg("-title"); - commands[POST_INDEX].append_arg(argv[optind]); - commands[POST_INDEX].append_arg("-xrm"); - commands[POST_INDEX].append_arg("*iconName:", argv[optind]); - string filename_string("|"); - append_arg_to_string(argv[0], filename_string); - append_arg_to_string("-Z", filename_string); - for (int i = 1; i < argc; i++) - append_arg_to_string(argv[i], filename_string); - filename_string += '\0'; - commands[POST_INDEX].append_arg("-filename"); - commands[POST_INDEX].append_arg(filename_string.contents()); - } - if (gxditview_flag && Xflag) { - string print_string(real_driver); - if (spooler) { - print_string += " | "; - print_string += spooler; - print_string += Largs; - } - print_string += '\0'; - commands[POST_INDEX].append_arg("-printCommand"); - commands[POST_INDEX].append_arg(print_string.contents()); - } - const char *p = Pargs.contents(); - const char *end = p + Pargs.length(); - while (p < end) { - commands[POST_INDEX].append_arg(p); - p = strchr(p, '\0') + 1; - } - if (gxditview_flag) - commands[POST_INDEX].append_arg("-"); - if (lflag && !Xflag && spooler) { - commands[SPOOL_INDEX].set_name(BSHELL); - commands[SPOOL_INDEX].append_arg("-c"); - Largs += '\0'; - Largs = spooler + Largs; - commands[SPOOL_INDEX].append_arg(Largs.contents()); - } - if (zflag) { - commands[POST_INDEX].set_name(0); - commands[SPOOL_INDEX].set_name(0); - } - commands[TROFF_INDEX].append_arg("-T", device); - commands[EQN_INDEX].append_arg("-T", device); - - for (int first_index = 0; first_index < TROFF_INDEX; first_index++) - if (commands[first_index].get_name() != 0) - break; - if (optind < argc) { - if (argv[optind][0] == '-' && argv[optind][1] != '\0') - commands[first_index].append_arg("--"); - for (int i = optind; i < argc; i++) - commands[first_index].append_arg(argv[i]); - if (iflag) - commands[first_index].append_arg("-"); - } - if (Fargs.length() > 0) { - string e = "GROFF_FONT_PATH"; - e += '='; - e += Fargs; - char *fontpath = getenv("GROFF_FONT_PATH"); - if (fontpath && *fontpath) { - e += ':'; - e += fontpath; - } - e += '\0'; - if (putenv(strsave(e.contents()))) - fatal("putenv failed"); - } - if (Vflag) { - print_commands(); - exit(0); - } - return run_commands(); -} - -const char *basename(const char *s) -{ - if (!s) - return 0; - const char *p = strrchr(s, '/'); - return p ? p + 1 : s; -} - -void handle_unknown_desc_command(const char *command, const char *arg, - const char *filename, int lineno) -{ - if (strcmp(command, "print") == 0) { - if (arg == 0) - error_with_file_and_line(filename, lineno, - "`print' command requires an argument"); - else - spooler = strsave(arg); - } - if (strcmp(command, "postpro") == 0) { - if (arg == 0) - error_with_file_and_line(filename, lineno, - "`postpro' command requires an argument"); - else { - for (const char *p = arg; *p; p++) - if (csspace(*p)) { - error_with_file_and_line(filename, lineno, - "invalid `postpro' argument `%1'" - ": program name required", arg); - return; - } - driver = strsave(arg); - } - } -} - -void print_commands() -{ - for (int last = SPOOL_INDEX; last >= 0; last--) - if (commands[last].get_name() != 0) - break; - for (int i = 0; i <= last; i++) - if (commands[i].get_name() != 0) - commands[i].print(i == last, stdout); -} - -// Run the commands. Return the code with which to exit. - -int run_commands() -{ - char **v[NCOMMANDS]; - int j = 0; - for (int i = 0; i < NCOMMANDS; i++) - if (commands[i].get_name() != 0) - v[j++] = commands[i].get_argv(); - return run_pipeline(j, v); -} - -possible_command::possible_command() -: name(0), argv(0) -{ -} - -possible_command::~possible_command() -{ - a_delete name; - a_delete argv; -} - -void possible_command::set_name(const char *s) -{ - a_delete name; - name = strsave(s); -} - -void possible_command::set_name(const char *s1, const char *s2) -{ - a_delete name; - name = new char[strlen(s1) + strlen(s2) + 1]; - strcpy(name, s1); - strcat(name, s2); -} - -const char *possible_command::get_name() -{ - return name; -} - -void possible_command::clear_args() -{ - args.clear(); -} - -void possible_command::append_arg(const char *s, const char *t) -{ - args += s; - if (t) - args += t; - args += '\0'; -} - -void possible_command::build_argv() -{ - if (argv) - return; - // Count the number of arguments. - int len = args.length(); - int argc = 1; - char *p = 0; - if (len > 0) { - p = &args[0]; - for (int i = 0; i < len; i++) - if (p[i] == '\0') - argc++; - } - // Build an argument vector. - argv = new char *[argc + 1]; - argv[0] = name; - for (int i = 1; i < argc; i++) { - argv[i] = p; - p = strchr(p, '\0') + 1; - } - argv[argc] = 0; -} - -void possible_command::print(int is_last, FILE *fp) -{ - build_argv(); - if (argv[0] != 0 && strcmp(argv[0], BSHELL) == 0 - && argv[1] != 0 && strcmp(argv[1], "-c") == 0 - && argv[2] != 0 && argv[3] == 0) - fputs(argv[2], fp); - else { - fputs(argv[0], fp); - string str; - for (int i = 1; argv[i] != 0; i++) { - str.clear(); - append_arg_to_string(argv[i], str); - put_string(str, fp); - } - } - if (is_last) - putc('\n', fp); - else - fputs(" | ", fp); -} - -void append_arg_to_string(const char *arg, string &str) -{ - str += ' '; - int needs_quoting = 0; - int contains_single_quote = 0; - for (const char *p = arg; *p != '\0'; p++) - switch (*p) { - case ';': - case '&': - case '(': - case ')': - case '|': - case '^': - case '<': - case '>': - case '\n': - case ' ': - case '\t': - case '\\': - case '"': - case '$': - case '?': - case '*': - needs_quoting = 1; - break; - case '\'': - contains_single_quote = 1; - break; - } - if (contains_single_quote || arg[0] == '\0') { - str += '"'; - for (p = arg; *p != '\0'; p++) - switch (*p) { - case '"': - case '\\': - case '$': - str += '\\'; - // fall through - default: - str += *p; - break; - } - str += '"'; - } - else if (needs_quoting) { - str += '\''; - str += arg; - str += '\''; - } - else - str += arg; -} - -char **possible_command::get_argv() -{ - build_argv(); - return argv; -} - -void synopsis() -{ - fprintf(stderr, -"usage: %s [-abehilpstvzCENRVXZ] [-Fdir] [-mname] [-Tdev] [-ffam] [-wname]\n" -" [-Wname] [ -Mdir] [-dcs] [-rcn] [-nnum] [-olist] [-Parg] [-Larg]\n" -" [files...]\n", - program_name); -} - -void help() -{ - synopsis(); - fputs("\n" -"-h\tprint this message\n" -"-t\tpreprocess with tbl\n" -"-p\tpreprocess with pic\n" -"-e\tpreprocess with eqn\n" -"-s\tpreprocess with soelim\n" -"-R\tpreprocess with refer\n" -"-Tdev\tuse device dev\n" -"-X\tuse X11 previewer rather than usual postprocessor\n" -"-mname\tread macros tmac.name\n" -"-dcs\tdefine a string c as s\n" -"-rcn\tdefine a number register c as n\n" -"-nnum\tnumber first page n\n" -"-olist\toutput only pages in list\n" -"-ffam\tuse fam as the default font family\n" -"-Fdir\tsearch directory dir for device directories\n" -"-Mdir\tsearch dir for macro files\n" -"-v\tprint version number\n" -"-z\tsuppress formatted output\n" -"-Z\tdon't postprocess\n" -"-a\tproduce ASCII description of output\n" -"-i\tread standard input after named input files\n" -"-wname\tenable warning name\n" -"-Wname\tinhibit warning name\n" -"-E\tinhibit all errors\n" -"-b\tprint backtraces with errors or warnings\n" -"-l\tspool the output\n" -"-C\tenable compatibility mode\n" -"-V\tprint commands on stdout instead of running them\n" -"-Parg\tpass arg to the postprocessor\n" -"-Larg\tpass arg to the spooler\n" -"-N\tdon't allow newlines within eqn delimiters\n" -"\n", - stderr); - exit(0); -} - -void usage() -{ - synopsis(); - fprintf(stderr, "%s -h gives more help\n", program_name); - exit(1); -} - -extern "C" { - -void c_error(const char *format, const char *arg1, const char *arg2, - const char *arg3) -{ - error(format, arg1, arg2, arg3); -} - -void c_fatal(const char *format, const char *arg1, const char *arg2, - const char *arg3) -{ - fatal(format, arg1, arg2, arg3); -} - -} |
