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Diffstat (limited to 'pinentry/argparse.h')
| -rw-r--r-- | pinentry/argparse.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/pinentry/argparse.h b/pinentry/argparse.h new file mode 100644 index 0000000..b4dc253 --- /dev/null +++ b/pinentry/argparse.h @@ -0,0 +1,203 @@ +/* argparse.h - Argument parser for option handling. + * Copyright (C) 1998,1999,2000,2001,2006 Free Software Foundation, Inc. + * + * This file is part of JNLIB, which is a subsystem of GnuPG. + * + * JNLIB is free software; you can redistribute it and/or modify it + * under the terms of either + * + * - the GNU Lesser General Public License as published by the Free + * Software Foundation; either version 3 of the License, or (at + * your option) any later version. + * + * or + * + * - the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * or both in parallel, as here. + * + * JNLIB 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 copies of the GNU General Public License + * and the GNU Lesser General Public License along with this program; + * if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef LIBJNLIB_ARGPARSE_H +#define LIBJNLIB_ARGPARSE_H + +#include <stdio.h> + +typedef struct +{ + int *argc; /* Pointer to ARGC (value subject to change). */ + char ***argv; /* Pointer to ARGV (value subject to change). */ + unsigned int flags; /* Global flags. May be set prior to calling the + parser. The parser may change the value. */ + int err; /* Print error description for last option. + Either 0, ARGPARSE_PRINT_WARNING or + ARGPARSE_PRINT_ERROR. */ + + int r_opt; /* Returns option code. */ + int r_type; /* Returns type of option value. */ + union { + int ret_int; + long ret_long; + unsigned long ret_ulong; + char *ret_str; + } r; /* Return values */ + + struct { + int idx; + int inarg; + int stopped; + const char *last; + void *aliases; + const void *cur_alias; + void *iio_list; + } internal; /* Private - do not change. */ +} ARGPARSE_ARGS; + +typedef struct +{ + int short_opt; + const char *long_opt; + unsigned int flags; + const char *description; /* Optional option description. */ +} ARGPARSE_OPTS; + + +/* Global flags (ARGPARSE_ARGS). */ +#define ARGPARSE_FLAG_KEEP 1 /* Do not remove options form argv. */ +#define ARGPARSE_FLAG_ALL 2 /* Do not stop at last option but return + remaining args with R_OPT set to -1. */ +#define ARGPARSE_FLAG_MIXED 4 /* Assume options and args are mixed. */ +#define ARGPARSE_FLAG_NOSTOP 8 /* Do not stop processing at "--". */ +#define ARGPARSE_FLAG_ARG0 16 /* Do not skip the first arg. */ +#define ARGPARSE_FLAG_ONEDASH 32 /* Allow long options with one dash. */ +#define ARGPARSE_FLAG_NOVERSION 64 /* No output for "--version". */ + +#define ARGPARSE_FLAG_STOP_SEEN 256 /* Set to true if a "--" has been seen. */ + +/* Flags for each option (ARGPARSE_OPTS). The type code may be + ORed with the OPT flags. */ +#define ARGPARSE_TYPE_NONE 0 /* Does not take an argument. */ +#define ARGPARSE_TYPE_INT 1 /* Takes an int argument. */ +#define ARGPARSE_TYPE_STRING 2 /* Takes a string argument. */ +#define ARGPARSE_TYPE_LONG 3 /* Takes a long argument. */ +#define ARGPARSE_TYPE_ULONG 4 /* Takes an unsigned long argument. */ +#define ARGPARSE_OPT_OPTIONAL (1<<3) /* Argument is optional. */ +#define ARGPARSE_OPT_PREFIX (1<<4) /* Allow 0x etc. prefixed values. */ +#define ARGPARSE_OPT_IGNORE (1<<6) /* Ignore command or option. */ +#define ARGPARSE_OPT_COMMAND (1<<7) /* The argument is a command. */ + +#define ARGPARSE_TYPE_MASK 7 /* Mask for the type values (internal). */ + +/* A set of macros to make option definitions easier to read. */ +#define ARGPARSE_x(s,l,t,f,d) \ + { (s), (l), ARGPARSE_TYPE_ ## t | (f), (d) } + +#define ARGPARSE_s(s,l,t,d) \ + { (s), (l), ARGPARSE_TYPE_ ## t, (d) } +#define ARGPARSE_s_n(s,l,d) \ + { (s), (l), ARGPARSE_TYPE_NONE, (d) } +#define ARGPARSE_s_i(s,l,d) \ + { (s), (l), ARGPARSE_TYPE_INT, (d) } +#define ARGPARSE_s_s(s,l,d) \ + { (s), (l), ARGPARSE_TYPE_STRING, (d) } +#define ARGPARSE_s_l(s,l,d) \ + { (s), (l), ARGPARSE_TYPE_LONG, (d) } +#define ARGPARSE_s_u(s,l,d) \ + { (s), (l), ARGPARSE_TYPE_ULONG, (d) } + +#define ARGPARSE_o(s,l,t,d) \ + { (s), (l), (ARGPARSE_TYPE_ ## t | ARGPARSE_OPT_OPTIONAL), (d) } +#define ARGPARSE_o_n(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_NONE | ARGPARSE_OPT_OPTIONAL), (d) } +#define ARGPARSE_o_i(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_INT | ARGPARSE_OPT_OPTIONAL), (d) } +#define ARGPARSE_o_s(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_STRING | ARGPARSE_OPT_OPTIONAL), (d) } +#define ARGPARSE_o_l(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_LONG | ARGPARSE_OPT_OPTIONAL), (d) } +#define ARGPARSE_o_u(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_ULONG | ARGPARSE_OPT_OPTIONAL), (d) } + +#define ARGPARSE_p(s,l,t,d) \ + { (s), (l), (ARGPARSE_TYPE_ ## t | ARGPARSE_OPT_PREFIX), (d) } +#define ARGPARSE_p_n(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_NONE | ARGPARSE_OPT_PREFIX), (d) } +#define ARGPARSE_p_i(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_INT | ARGPARSE_OPT_PREFIX), (d) } +#define ARGPARSE_p_s(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_STRING | ARGPARSE_OPT_PREFIX), (d) } +#define ARGPARSE_p_l(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_LONG | ARGPARSE_OPT_PREFIX), (d) } +#define ARGPARSE_p_u(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_ULONG | ARGPARSE_OPT_PREFIX), (d) } + +#define ARGPARSE_op(s,l,t,d) \ + { (s), (l), (ARGPARSE_TYPE_ ## t \ + | ARGPARSE_OPT_OPTIONAL | ARGPARSE_OPT_PREFIX), (d) } +#define ARGPARSE_op_n(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_NONE \ + | ARGPARSE_OPT_OPTIONAL | ARGPARSE_OPT_PREFIX), (d) } +#define ARGPARSE_op_i(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_INT \ + | ARGPARSE_OPT_OPTIONAL | ARGPARSE_OPT_PREFIX), (d) } +#define ARGPARSE_op_s(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_STRING \ + | ARGPARSE_OPT_OPTIONAL | ARGPARSE_OPT_PREFIX), (d) } +#define ARGPARSE_op_l(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_LONG \ + | ARGPARSE_OPT_OPTIONAL | ARGPARSE_OPT_PREFIX), (d) } +#define ARGPARSE_op_u(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_ULONG \ + | ARGPARSE_OPT_OPTIONAL | ARGPARSE_OPT_PREFIX), (d) } + +#define ARGPARSE_c(s,l,d) \ + { (s), (l), (ARGPARSE_TYPE_NONE | ARGPARSE_OPT_COMMAND), (d) } + +#define ARGPARSE_ignore(s,l) \ + { (s), (l), (ARGPARSE_OPT_IGNORE), "@" } + +#define ARGPARSE_group(s,d) \ + { (s), NULL, 0, (d) } + +#define ARGPARSE_end() { 0, NULL, 0, NULL } + + +/* Other constants. */ +#define ARGPARSE_PRINT_WARNING 1 +#define ARGPARSE_PRINT_ERROR 2 + + +/* Error values. */ +#define ARGPARSE_IS_ARG (-1) +#define ARGPARSE_INVALID_OPTION (-2) +#define ARGPARSE_MISSING_ARG (-3) +#define ARGPARSE_KEYWORD_TOO_LONG (-4) +#define ARGPARSE_READ_ERROR (-5) +#define ARGPARSE_UNEXPECTED_ARG (-6) +#define ARGPARSE_INVALID_COMMAND (-7) +#define ARGPARSE_AMBIGUOUS_OPTION (-8) +#define ARGPARSE_AMBIGUOUS_COMMAND (-9) +#define ARGPARSE_INVALID_ALIAS (-10) +#define ARGPARSE_OUT_OF_CORE (-11) +#define ARGPARSE_INVALID_ARG (-12) + + +int arg_parse (ARGPARSE_ARGS *arg, ARGPARSE_OPTS *opts); +int optfile_parse (FILE *fp, const char *filename, unsigned *lineno, + ARGPARSE_ARGS *arg, ARGPARSE_OPTS *opts); +void usage (int level); +const char *strusage (int level); +void set_strusage (const char *(*f)( int )); +void argparse_register_outfnc (int (*fnc)(int, const char *)); + +#endif /*LIBJNLIB_ARGPARSE_H*/ |