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Diffstat (limited to 'autoopts/autoopts.h')
| -rw-r--r-- | autoopts/autoopts.h | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/autoopts/autoopts.h b/autoopts/autoopts.h new file mode 100644 index 0000000..194ea5a --- /dev/null +++ b/autoopts/autoopts.h @@ -0,0 +1,335 @@ + +/* + * \file autoopts.h + * + * Time-stamp: "2012-03-04 19:05:01 bkorb" + * + * This file defines all the global structures and special values + * used in the automated option processing library. + * + * This file is part of AutoOpts, a companion to AutoGen. + * AutoOpts is free software. + * AutoOpts is Copyright (c) 1992-2012 by Bruce Korb - all rights reserved + * + * AutoOpts is available under any one of two licenses. The license + * in use must be one of these two and the choice is under the control + * of the user of the license. + * + * The GNU Lesser General Public License, version 3 or later + * See the files "COPYING.lgplv3" and "COPYING.gplv3" + * + * The Modified Berkeley Software Distribution License + * See the file "COPYING.mbsd" + * + * These files have the following md5sums: + * + * 43b91e8ca915626ed3818ffb1b71248b pkg/libopts/COPYING.gplv3 + * 06a1a2e4760c90ea5e1dad8dfaac4d39 pkg/libopts/COPYING.lgplv3 + * 66a5cedaf62c4b2637025f049f9b826f pkg/libopts/COPYING.mbsd + */ + +#ifndef AUTOGEN_AUTOOPTS_H +#define AUTOGEN_AUTOOPTS_H + +#define AO_NAME_LIMIT 127 +#define AO_NAME_SIZE ((size_t)(AO_NAME_LIMIT + 1)) + +#ifndef AG_PATH_MAX +# ifdef PATH_MAX +# define AG_PATH_MAX ((size_t)PATH_MAX) +# else +# define AG_PATH_MAX ((size_t)4096) +# endif +#else +# if defined(PATH_MAX) && (PATH_MAX > MAXPATHLEN) +# undef AG_PATH_MAX +# define AG_PATH_MAX ((size_t)PATH_MAX) +# endif +#endif + +#undef EXPORT +#define EXPORT + +#if defined(_WIN32) && !defined(__CYGWIN__) +# define DIRCH '\\' +#else +# define DIRCH '/' +#endif + +#define AO_EXIT_REQ_USAGE 64 +#ifndef EX_NOINPUT + /** + * option state was requested from a file that cannot be loaded. + */ +# define EX_NOINPUT 66 +#endif +#ifndef EX_SOFTWARE + /** + * AutoOpts Software failure. + */ +# define EX_SOFTWARE 70 +#endif + +#define NL '\n' + +/* + * Convert the number to a list usable in a printf call + */ +#define NUM_TO_VER(n) ((n) >> 12), ((n) >> 7) & 0x001F, (n) & 0x007F + +#define NAMED_OPTS(po) \ + (((po)->fOptSet & (OPTPROC_SHORTOPT | OPTPROC_LONGOPT)) == 0) + +#define SKIP_OPT(p) (((p)->fOptState & OPTST_IMMUTABLE_MASK) != 0) + +typedef int tDirection; +#define DIRECTION_PRESET -1 +#define DIRECTION_PROCESS 1 +#define DIRECTION_CALLED 0 + +#define PROCESSING(d) ((d)>0) +#define PRESETTING(d) ((d)<0) + +/* + * When loading a line (or block) of text as an option, the value can + * be processed in any of several modes: + * + * @table @samp + * @item keep + * Every part of the value between the delimiters is saved. + * + * @item uncooked + * Even if the value begins with quote characters, do not do quote processing. + * + * @item cooked + * If the value looks like a quoted string, then process it. + * Double quoted strings are processed the way strings are in "C" programs, + * except they are treated as regular characters if the following character + * is not a well-established escape sequence. + * Single quoted strings (quoted with apostrophies) are handled the way + * strings are handled in shell scripts, *except* that backslash escapes + * are honored before backslash escapes and apostrophies. + * @end table + */ +typedef enum { + OPTION_LOAD_COOKED, + OPTION_LOAD_UNCOOKED, + OPTION_LOAD_KEEP +} tOptionLoadMode; + +static tOptionLoadMode option_load_mode; + +/* + * The pager state is used by optionPagedUsage() procedure. + * When it runs, it sets itself up to be called again on exit. + * If, however, a routine needs a child process to do some work + * before it is done, then 'pagerState' must be set to + * 'PAGER_STATE_CHILD' so that optionPagedUsage() will not try + * to run the pager program before its time. + */ +typedef enum { + PAGER_STATE_INITIAL, + PAGER_STATE_READY, + PAGER_STATE_CHILD +} tePagerState; + +typedef enum { + ENV_ALL, + ENV_IMM, + ENV_NON_IMM +} teEnvPresetType; + +typedef enum { + TOPT_UNDEFINED = 0, + TOPT_SHORT, + TOPT_LONG, + TOPT_DEFAULT +} teOptType; + +typedef struct { + tOptDesc* pOD; + tCC* pzOptArg; + tAoUL flags; + teOptType optType; +} tOptState; +#define OPTSTATE_INITIALIZER(st) \ + { NULL, NULL, OPTST_ ## st, TOPT_UNDEFINED } + +#define TEXTTO_TABLE \ + _TT_(LONGUSAGE) \ + _TT_(USAGE) \ + _TT_(VERSION) +#define _TT_(n) \ + TT_ ## n , + +typedef enum { TEXTTO_TABLE COUNT_TT } teTextTo; + +#undef _TT_ + +typedef struct { + char const * pzStr; + char const * pzReq; + char const * pzNum; + char const * pzFile; + char const * pzKey; + char const * pzKeyL; + char const * pzBool; + char const * pzNest; + char const * pzOpt; + char const * pzNo; + char const * pzBrk; + char const * pzNoF; + char const * pzSpc; + char const * pzOptFmt; + char const * pzTime; +} arg_types_t; + +#define AGALOC(c, w) ao_malloc((size_t)c) +#define AGREALOC(p, c, w) ao_realloc((void*)p, (size_t)c) +#define AGFREE(_p) free((void *)_p) +#define AGDUPSTR(p, s, w) (p = ao_strdup(s)) + +static void * +ao_malloc(size_t sz); + +static void * +ao_realloc(void *p, size_t sz); + +#define ao_free(_p) free((void *)_p) + +static char * +ao_strdup(char const *str); + +/* + * DO option handling? + * + * Options are examined at two times: at immediate handling time and at + * normal handling time. If an option is disabled, the timing may be + * different from the handling of the undisabled option. The OPTST_DIABLED + * bit indicates the state of the currently discovered option. + * So, here's how it works: + * + * A) handling at "immediate" time, either 1 or 2: + * + * 1. OPTST_DISABLED is not set: + * IMM must be set + * DISABLE_IMM don't care + * TWICE don't care + * DISABLE_TWICE don't care + * 0 -and- 1 x x x + * + * 2. OPTST_DISABLED is set: + * IMM don't care + * DISABLE_IMM must be set + * TWICE don't care + * DISABLE_TWICE don't care + * 1 -and- x 1 x x + */ +#define DO_IMMEDIATELY(_flg) \ + ( (((_flg) & (OPTST_DISABLED|OPTST_IMM)) == OPTST_IMM) \ + || ( ((_flg) & (OPTST_DISABLED|OPTST_DISABLE_IMM)) \ + == (OPTST_DISABLED|OPTST_DISABLE_IMM) )) + +/* B) handling at "regular" time because it was not immediate + * + * 1. OPTST_DISABLED is not set: + * IMM must *NOT* be set + * DISABLE_IMM don't care + * TWICE don't care + * DISABLE_TWICE don't care + * 0 -and- 0 x x x + * + * 2. OPTST_DISABLED is set: + * IMM don't care + * DISABLE_IMM don't care + * TWICE must be set + * DISABLE_TWICE don't care + * 1 -and- x x 1 x + */ +#define DO_NORMALLY(_flg) ( \ + (((_flg) & (OPTST_DISABLED|OPTST_IMM)) == 0) \ + || (((_flg) & (OPTST_DISABLED|OPTST_DISABLE_IMM)) == \ + OPTST_DISABLED) ) + +/* C) handling at "regular" time because it is to be handled twice. + * The immediate bit was already tested and found to be set: + * + * 3. OPTST_DISABLED is not set: + * IMM is set (but don't care) + * DISABLE_IMM don't care + * TWICE must be set + * DISABLE_TWICE don't care + * 0 -and- ? x 1 x + * + * 4. OPTST_DISABLED is set: + * IMM don't care + * DISABLE_IMM is set (but don't care) + * TWICE don't care + * DISABLE_TWICE must be set + * 1 -and- x ? x 1 + */ +#define DO_SECOND_TIME(_flg) ( \ + (((_flg) & (OPTST_DISABLED|OPTST_TWICE)) == \ + OPTST_TWICE) \ + || (((_flg) & (OPTST_DISABLED|OPTST_DISABLE_TWICE)) == \ + (OPTST_DISABLED|OPTST_DISABLE_TWICE) )) + +/* + * text_mmap structure. Only active on platforms with mmap(2). + */ +#ifdef HAVE_SYS_MMAN_H +# include <sys/mman.h> +#else +# ifndef PROT_READ +# define PROT_READ 0x01 +# endif +# ifndef PROT_WRITE +# define PROT_WRITE 0x02 +# endif +# ifndef MAP_SHARED +# define MAP_SHARED 0x01 +# endif +# ifndef MAP_PRIVATE +# define MAP_PRIVATE 0x02 +# endif +#endif + +#ifndef MAP_FAILED +# define MAP_FAILED ((void*)-1) +#endif + +#ifndef _SC_PAGESIZE +# ifdef _SC_PAGE_SIZE +# define _SC_PAGESIZE _SC_PAGE_SIZE +# endif +#endif + +#ifndef HAVE_STRCHR +extern char* strchr(char const *s, int c); +extern char* strrchr(char const *s, int c); +#endif + +/* + * Define and initialize all the user visible strings. + * We do not do translations. If translations are to be done, then + * the client will provide a callback for that purpose. + */ +#undef DO_TRANSLATIONS +#include "autoopts/usage-txt.h" + +/* + * File pointer for usage output + */ +FILE * option_usage_fp; +static char const * program_pkgdatadir; + +extern tOptProc optionPrintVersion, optionPagedUsage, optionLoadOpt; + +#endif /* AUTOGEN_AUTOOPTS_H */ +/* + * Local Variables: + * mode: C + * c-file-style: "stroustrup" + * indent-tabs-mode: nil + * End: + * end of autoopts/autoopts.h */ |