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Diffstat (limited to 'scanopt.h')
| -rw-r--r-- | scanopt.h | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/scanopt.h b/scanopt.h deleted file mode 100644 index 359a18a..0000000 --- a/scanopt.h +++ /dev/null @@ -1,132 +0,0 @@ -/* flex - tool to generate fast lexical analyzers */ - -/* Copyright (c) 1990 The Regents of the University of California. */ -/* All rights reserved. */ - -/* This code is derived from software contributed to Berkeley by */ -/* Vern Paxson. */ - -/* The United States Government has rights in this work pursuant */ -/* to contract no. DE-AC03-76SF00098 between the United States */ -/* Department of Energy and the University of California. */ - -/* This file is part of flex. */ - -/* Redistribution and use in source and binary forms, with or without */ -/* modification, are permitted provided that the following conditions */ -/* are met: */ - -/* 1. Redistributions of source code must retain the above copyright */ -/* notice, this list of conditions and the following disclaimer. */ -/* 2. Redistributions in binary form must reproduce the above copyright */ -/* notice, this list of conditions and the following disclaimer in the */ -/* documentation and/or other materials provided with the distribution. */ - -/* Neither the name of the University nor the names of its contributors */ -/* may 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR */ -/* PURPOSE. */ - -#ifndef SCANOPT_H -#define SCANOPT_H - -#include "flexdef.h" - - -#ifndef NO_SCANOPT_USAGE -/* Used by scanopt_usage for pretty-printing. */ -#ifdef HAVE_NCURSES_H -#include <ncurses.h> -#endif -#endif - -#ifdef __cplusplus -extern "C" { -#endif -#ifndef PROTO -#define PROTO(args) args -#endif -/* Error codes. */ enum scanopt_err_t { - SCANOPT_ERR_OPT_UNRECOGNIZED = -1, /* Unrecognized option. */ - SCANOPT_ERR_OPT_AMBIGUOUS = -2, /* It matched more than one option name. */ - SCANOPT_ERR_ARG_NOT_FOUND = -3, /* The required arg was not found. */ - SCANOPT_ERR_ARG_NOT_ALLOWED = -4 /* Option does not take an argument. */ - }; - - -/* flags passed to scanopt_init */ - enum scanopt_flag_t { - SCANOPT_NO_ERR_MSG = 0x01 /* Suppress printing to stderr. */ - }; - -/* Specification for a single option. */ - struct optspec_t { - const char *opt_fmt; /* e.g., "--foo=FILE", "-f FILE", "-n [NUM]" */ - int r_val; /* Value to be returned by scanopt_ex(). */ - const char *desc; /* Brief description of this option, or NULL. */ - }; - typedef struct optspec_t optspec_t; - - -/* Used internally by scanopt() to maintain state. */ -/* Never modify these value directly. */ - typedef void *scanopt_t; - - -/* Initializes scanner and checks option list for errors. - * Parameters: - * options - Array of options. - * argc - Same as passed to main(). - * argv - Same as passed to main(). First element is skipped. - * flags - Control behavior. - * Return: A malloc'd pointer . - */ - scanopt_t *scanopt_init PROTO ((const optspec_t * options, - int argc, char **argv, int flags)); - -/* Frees memory used by scanner. - * Always returns 0. */ - int scanopt_destroy PROTO ((scanopt_t * scanner)); - -#ifndef NO_SCANOPT_USAGE -/* Prints a usage message based on contents of optlist. - * Parameters: - * scanner - The scanner, already initialized with scanopt_init(). - * fp - The file stream to write to. - * usage - Text to be prepended to option list. May be NULL. - * Return: Always returns 0 (zero). - */ - int scanopt_usage - PROTO ( - (scanopt_t * scanner, FILE * fp, - const char *usage)); -#endif - -/* Scans command-line options in argv[]. - * Parameters: - * scanner - The scanner, already initialized with scanopt_init(). - * optarg - Return argument, may be NULL. - * On success, it points to start of an argument. - * optindex - Return argument, may be NULL. - * On success or failure, it is the index of this option. - * If return is zero, then optindex is the NEXT valid option index. - * - * Return: > 0 on success. Return value is from optspec_t->rval. - * == 0 if at end of options. - * < 0 on error (return value is an error code). - * - */ - int scanopt - PROTO ( - (scanopt_t * scanner, char **optarg, - int *optindex)); - -#ifdef __cplusplus -} -#endif -#endif -/* vim:set tabstop=8 softtabstop=4 shiftwidth=4: */ |