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Diffstat (limited to 'src/argtable3.h')
| -rw-r--r-- | src/argtable3.h | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/src/argtable3.h b/src/argtable3.h new file mode 100644 index 0000000..1107de2 --- /dev/null +++ b/src/argtable3.h @@ -0,0 +1,305 @@ +/******************************************************************************* + * This file is part of the argtable3 library. + * + * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann + * <sheitmann@users.sourceforge.net> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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 STEWART HEITMANN 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************/ + +#ifndef ARGTABLE3 +#define ARGTABLE3 + +#include <stdio.h> /* FILE */ +#include <time.h> /* struct tm */ + +#ifdef __cplusplus +extern "C" { +#endif + +#define ARG_REX_ICASE 1 + +/* bit masks for arg_hdr.flag */ +enum +{ + ARG_TERMINATOR=0x1, + ARG_HASVALUE=0x2, + ARG_HASOPTVALUE=0x4 +}; + +typedef void (arg_resetfn)(void *parent); +typedef int (arg_scanfn)(void *parent, const char *argval); +typedef int (arg_checkfn)(void *parent); +typedef void (arg_errorfn)(void *parent, FILE *fp, int error, const char *argval, const char *progname); + + +/* +* The arg_hdr struct defines properties that are common to all arg_xxx structs. +* The argtable library requires each arg_xxx struct to have an arg_hdr +* struct as its first data member. +* The argtable library functions then use this data to identify the +* properties of the command line option, such as its option tags, +* datatype string, and glossary strings, and so on. +* Moreover, the arg_hdr struct contains pointers to custom functions that +* are provided by each arg_xxx struct which perform the tasks of parsing +* that particular arg_xxx arguments, performing post-parse checks, and +* reporting errors. +* These functions are private to the individual arg_xxx source code +* and are the pointer to them are initiliased by that arg_xxx struct's +* constructor function. The user could alter them after construction +* if desired, but the original intention is for them to be set by the +* constructor and left unaltered. +*/ +struct arg_hdr +{ + char flag; /* Modifier flags: ARG_TERMINATOR, ARG_HASVALUE. */ + const char *shortopts; /* String defining the short options */ + const char *longopts; /* String defiing the long options */ + const char *datatype; /* Description of the argument data type */ + const char *glossary; /* Description of the option as shown by arg_print_glossary function */ + int mincount; /* Minimum number of occurences of this option accepted */ + int maxcount; /* Maximum number of occurences if this option accepted */ + void *parent; /* Pointer to parent arg_xxx struct */ + arg_resetfn *resetfn; /* Pointer to parent arg_xxx reset function */ + arg_scanfn *scanfn; /* Pointer to parent arg_xxx scan function */ + arg_checkfn *checkfn; /* Pointer to parent arg_xxx check function */ + arg_errorfn *errorfn; /* Pointer to parent arg_xxx error function */ + void *priv; /* Pointer to private header data for use by arg_xxx functions */ +}; + +struct arg_rem +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ +}; + +struct arg_lit +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of matching command line args */ +}; + +struct arg_int +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of matching command line args */ + int *ival; /* Array of parsed argument values */ +}; + +struct arg_dbl +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of matching command line args */ + double *dval; /* Array of parsed argument values */ +}; + +struct arg_str +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of matching command line args */ + const char **sval; /* Array of parsed argument values */ +}; + +struct arg_rex +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of matching command line args */ + const char **sval; /* Array of parsed argument values */ +}; + +struct arg_file +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of matching command line args*/ + const char **filename; /* Array of parsed filenames (eg: /home/foo.bar) */ + const char **basename; /* Array of parsed basenames (eg: foo.bar) */ + const char **extension; /* Array of parsed extensions (eg: .bar) */ +}; + +struct arg_date +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + const char *format; /* strptime format string used to parse the date */ + int count; /* Number of matching command line args */ + struct tm *tmval; /* Array of parsed time values */ +}; + +enum {ARG_ELIMIT=1, ARG_EMALLOC, ARG_ENOMATCH, ARG_ELONGOPT, ARG_EMISSARG}; +struct arg_end +{ + struct arg_hdr hdr; /* The mandatory argtable header struct */ + int count; /* Number of errors encountered */ + int *error; /* Array of error codes */ + void **parent; /* Array of pointers to offending arg_xxx struct */ + const char **argval; /* Array of pointers to offending argv[] string */ +}; + + +/**** arg_xxx constructor functions *********************************/ + +struct arg_rem* arg_rem(const char* datatype, const char* glossary); + +struct arg_lit* arg_lit0(const char* shortopts, + const char* longopts, + const char* glossary); +struct arg_lit* arg_lit1(const char* shortopts, + const char* longopts, + const char *glossary); +struct arg_lit* arg_litn(const char* shortopts, + const char* longopts, + int mincount, + int maxcount, + const char *glossary); + +struct arg_key* arg_key0(const char* keyword, + int flags, + const char* glossary); +struct arg_key* arg_key1(const char* keyword, + int flags, + const char* glossary); +struct arg_key* arg_keyn(const char* keyword, + int flags, + int mincount, + int maxcount, + const char* glossary); + +struct arg_int* arg_int0(const char* shortopts, + const char* longopts, + const char* datatype, + const char* glossary); +struct arg_int* arg_int1(const char* shortopts, + const char* longopts, + const char* datatype, + const char *glossary); +struct arg_int* arg_intn(const char* shortopts, + const char* longopts, + const char *datatype, + int mincount, + int maxcount, + const char *glossary); + +struct arg_dbl* arg_dbl0(const char* shortopts, + const char* longopts, + const char* datatype, + const char* glossary); +struct arg_dbl* arg_dbl1(const char* shortopts, + const char* longopts, + const char* datatype, + const char *glossary); +struct arg_dbl* arg_dbln(const char* shortopts, + const char* longopts, + const char *datatype, + int mincount, + int maxcount, + const char *glossary); + +struct arg_str* arg_str0(const char* shortopts, + const char* longopts, + const char* datatype, + const char* glossary); +struct arg_str* arg_str1(const char* shortopts, + const char* longopts, + const char* datatype, + const char *glossary); +struct arg_str* arg_strn(const char* shortopts, + const char* longopts, + const char* datatype, + int mincount, + int maxcount, + const char *glossary); + +struct arg_rex* arg_rex0(const char* shortopts, + const char* longopts, + const char* pattern, + const char* datatype, + int flags, + const char* glossary); +struct arg_rex* arg_rex1(const char* shortopts, + const char* longopts, + const char* pattern, + const char* datatype, + int flags, + const char *glossary); +struct arg_rex* arg_rexn(const char* shortopts, + const char* longopts, + const char* pattern, + const char* datatype, + int mincount, + int maxcount, + int flags, + const char *glossary); + +struct arg_file* arg_file0(const char* shortopts, + const char* longopts, + const char* datatype, + const char* glossary); +struct arg_file* arg_file1(const char* shortopts, + const char* longopts, + const char* datatype, + const char *glossary); +struct arg_file* arg_filen(const char* shortopts, + const char* longopts, + const char* datatype, + int mincount, + int maxcount, + const char *glossary); + +struct arg_date* arg_date0(const char* shortopts, + const char* longopts, + const char* format, + const char* datatype, + const char* glossary); +struct arg_date* arg_date1(const char* shortopts, + const char* longopts, + const char* format, + const char* datatype, + const char *glossary); +struct arg_date* arg_daten(const char* shortopts, + const char* longopts, + const char* format, + const char* datatype, + int mincount, + int maxcount, + const char *glossary); + +struct arg_end* arg_end(int maxerrors); + + +/**** other functions *******************************************/ +int arg_nullcheck(void **argtable); +int arg_parse(int argc, char **argv, void **argtable); +void arg_print_option(FILE *fp, const char *shortopts, const char *longopts, const char *datatype, const char *suffix); +void arg_print_syntax(FILE *fp, void **argtable, const char *suffix); +void arg_print_syntaxv(FILE *fp, void **argtable, const char *suffix); +void arg_print_glossary(FILE *fp, void **argtable, const char *format); +void arg_print_glossary_gnu(FILE *fp, void **argtable); +void arg_print_errors(FILE* fp, struct arg_end* end, const char* progname); +void arg_freetable(void **argtable, size_t n); + +/**** deprecated functions, for back-compatibility only ********/ +void arg_free(void **argtable); + +#ifdef __cplusplus +} +#endif +#endif |