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Groups > comp.lang.c > #388380
| From | Tim Rentsch <tr.17687@z991.linuxsc.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: Command line globber/tokenizer library for C? |
| Date | 2024-09-13 09:05 -0700 |
| Organization | A noiseless patient Spider |
| Message-ID | <861q1nfsjz.fsf@linuxsc.com> (permalink) |
| References | (8 earlier) <vbur72$99cr$1@dont-email.me> <20240912181625.00006e68@yahoo.com> <vbv4ra$b0hv$2@dont-email.me> <vbv6r1$bhc9$1@raubtier-asyl.eternal-september.org> <20240912223828.00005c10@yahoo.com> |
Michael S <already5chosen@yahoo.com> writes:
[..iterate over words in a string..]
> #include <stddef.h>
>
> void parse(const char* src,
> void (*OnToken)(const char* beg, size_t len, void* context),
> void* context) {
> char c0 = ' ', c1 = '\t';
> const char* beg = 0;
> for (;;src++) {
> char c = *src;
> if (c == c0 || c == c1 || c == 0) {
> if (beg) {
> OnToken(beg, src-beg, context);
> c0 = ' ', c1 = '\t';
> beg = 0;
> }
> if (c == 0)
> break;
> } else if (!beg) {
> beg = src;
> if (c == '"') {
> c0 = c1 = c;
> ++beg;
> }
> }
> }
> }
I couldn't resist writing some code along similar lines. The
entry point is words_do(), which returns one on success and
zero if the end of string is reached inside double quotes.
typedef struct gopher_s *Gopher;
struct gopher_s { void (*f)( Gopher, const char *, const char * ); };
static _Bool collect_word( const char *, const char *, _Bool, Gopher );
static _Bool is_space( char );
_Bool
words_do( const char *s, Gopher go ){
char c = *s;
return
is_space(c) ? words_do( s+1, go ) :
c ? collect_word( s, s, 1, go ) :
/***************/ 1;
}
_Bool
collect_word( const char *s, const char *r, _Bool w, Gopher go ){
char c = *s;
return
c == 0 ? go->f( go, r, s ), w :
is_space(c) && w ? go->f( go, r, s ), words_do( s, go ) :
/***************/ collect_word( s+1, r, w ^ c == '"', go );
}
_Bool
is_space( char c ){
return c == ' ' || c == '\t';
}
Back to comp.lang.c | Previous | Next — Previous in thread | Next in thread | Find similar
Command line globber/tokenizer library for C? ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2024-09-10 19:01 +0000
Re: Command line globber/tokenizer library for C? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-10 20:58 +0000
Re: Command line globber/tokenizer library for C? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-09-10 14:12 -0700
Re: Command line globber/tokenizer library for C? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-09-10 23:05 +0200
Re: Command line globber/tokenizer library for C? ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2024-09-10 22:11 +0000
Re: Command line globber/tokenizer library for C? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-09-10 14:37 -0700
Re: Command line globber/tokenizer library for C? ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2024-09-10 22:13 +0000
Re: Command line globber/tokenizer library for C? gazelle@shell.xmission.com (Kenny McCormack) - 2024-09-11 01:56 +0000
Re: Command line globber/tokenizer library for C? ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2024-09-11 02:54 +0000
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-11 14:17 +0200
Re: Command line globber/tokenizer library for C? ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2024-09-11 12:22 +0000
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-11 14:28 +0200
Re: Command line globber/tokenizer library for C? ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2024-09-11 12:44 +0000
Re: Command line globber/tokenizer library for C? Bart <bc@freeuk.com> - 2024-09-11 13:42 +0100
Re: Command line globber/tokenizer library for C? gazelle@shell.xmission.com (Kenny McCormack) - 2024-09-11 14:59 +0000
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-11 20:14 +0200
Re: Command line globber/tokenizer library for C? gazelle@shell.xmission.com (Kenny McCormack) - 2024-09-11 18:17 +0000
Re: Command line globber/tokenizer library for C? ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2024-09-11 18:49 +0000
Re: Command line globber/tokenizer library for C? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-09-11 14:43 -0700
Re: Command line globber/tokenizer library for C? ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2024-09-12 03:06 +0000
Re: Command line globber/tokenizer library for C? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-09-11 20:37 -0700
Re: Command line globber/tokenizer library for C? ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2024-09-12 03:56 +0000
Re: Command line globber/tokenizer library for C? gazelle@shell.xmission.com (Kenny McCormack) - 2024-09-12 13:22 +0000
Re: Command line globber/tokenizer library for C? ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2024-09-12 13:50 +0000
Columbia (Was: Command line globber/tokenizer library for C?) gazelle@shell.xmission.com (Kenny McCormack) - 2024-09-12 14:06 +0000
Re: Columbia (Was: Command line globber/tokenizer library for C?) Michael S <already5chosen@yahoo.com> - 2024-09-12 17:20 +0300
Re: Columbia (Was: Command line globber/tokenizer library for C?) David Brown <david.brown@hesbynett.no> - 2024-09-12 16:43 +0200
Re: Columbia (Was: Command line globber/tokenizer library for C?) Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-12 22:07 +0000
Re: Command line globber/tokenizer library for C? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-12 04:14 +0000
Re: Command line globber/tokenizer library for C? Ben Bacarisse <ben@bsb.me.uk> - 2024-09-12 10:43 +0100
Re: Command line globber/tokenizer library for C? Bart <bc@freeuk.com> - 2024-09-11 21:19 +0100
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 04:22 +0200
Re: Command line globber/tokenizer library for C? Bart <bc@freeuk.com> - 2024-09-12 12:29 +0100
Re: Command line globber/tokenizer library for C? gazelle@shell.xmission.com (Kenny McCormack) - 2024-09-12 12:13 +0000
Re: Command line globber/tokenizer library for C? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-09-12 14:24 +0200
Other programming languages (Was: Command line globber/tokenizer library for C?) gazelle@shell.xmission.com (Kenny McCormack) - 2024-09-12 13:20 +0000
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 16:01 +0200
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) gazelle@shell.xmission.com (Kenny McCormack) - 2024-09-12 14:07 +0000
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 16:14 +0200
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-09-12 17:40 +0200
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 17:48 +0200
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-09-12 17:59 +0200
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-12 22:32 +0000
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) James Kuyper <jameskuyper@alumni.caltech.edu> - 2024-09-12 18:50 -0400
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-13 01:37 +0000
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Michael S <already5chosen@yahoo.com> - 2024-09-13 11:30 +0300
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-09-13 04:06 +0200
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-13 02:58 +0000
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-09-13 14:31 +0200
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Kaz Kylheku <643-408-1753@kylheku.com> - 2024-09-13 04:18 +0000
Re: Other programming languages (Was: Command line globber/tokenizer library for C?) Kaz Kylheku <643-408-1753@kylheku.com> - 2024-09-13 03:38 +0000
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 16:00 +0200
Re: Command line globber/tokenizer library for C? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-09-12 14:20 +0200
Re: Command line globber/tokenizer library for C? Bart <bc@freeuk.com> - 2024-09-12 14:44 +0100
Re: Command line globber/tokenizer library for C? Bart <bc@freeuk.com> - 2024-09-12 15:16 +0100
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 16:23 +0200
Re: Command line globber/tokenizer library for C? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-09-12 17:46 +0200
Re: Command line globber/tokenizer library for C? Bart <bc@freeuk.com> - 2024-09-12 17:15 +0100
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 18:26 +0200
Re: Command line globber/tokenizer library for C? Michael S <already5chosen@yahoo.com> - 2024-09-12 18:16 +0300
Re: Command line globber/tokenizer library for C? scott@slp53.sl.home (Scott Lurndal) - 2024-09-12 15:37 +0000
Re: Command line globber/tokenizer library for C? Michael S <already5chosen@yahoo.com> - 2024-09-12 18:49 +0300
Re: Command line globber/tokenizer library for C? Bart <bc@freeuk.com> - 2024-09-12 17:28 +0100
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 19:02 +0200
Re: Command line globber/tokenizer library for C? gazelle@shell.xmission.com (Kenny McCormack) - 2024-09-12 17:39 +0000
Re: Command line globber/tokenizer library for C? Michael S <already5chosen@yahoo.com> - 2024-09-12 22:38 +0300
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-13 07:28 +0200
Re: Command line globber/tokenizer library for C? Michael S <already5chosen@yahoo.com> - 2024-09-13 11:38 +0300
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-13 14:12 +0200
Re: Command line globber/tokenizer library for C? Michael S <already5chosen@yahoo.com> - 2024-09-13 15:25 +0300
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-13 15:20 +0200
Re: Command line globber/tokenizer library for C? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-13 22:24 +0000
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-14 01:42 +0200
Re: Command line globber/tokenizer library for C? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-14 01:41 +0000
Re: Command line globber/tokenizer library for C? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-09-13 09:05 -0700
Re: Command line globber/tokenizer library for C? Michael S <already5chosen@yahoo.com> - 2024-09-15 12:22 +0300
Re: Command line globber/tokenizer library for C? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-09-16 00:52 -0700
Re: Command line globber/tokenizer library for C? Michael S <already5chosen@yahoo.com> - 2024-09-16 12:23 +0300
Re: Command line globber/tokenizer library for C? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-09-17 03:12 -0700
Re: Command line globber/tokenizer library for C? antispam@fricas.org - 2024-09-17 22:34 +0000
Re: Command line globber/tokenizer library for C? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-09-17 16:33 -0700
Re: Command line globber/tokenizer library for C? Michael S <already5chosen@yahoo.com> - 2024-09-18 02:46 +0300
Re: Command line globber/tokenizer library for C? Bart <bc@freeuk.com> - 2024-09-18 01:07 +0100
Re: Command line globber/tokenizer library for C? Michael S <already5chosen@yahoo.com> - 2024-09-18 11:43 +0300
Re: Command line globber/tokenizer library for C? Bart <bc@freeuk.com> - 2024-09-18 10:49 +0100
Re: Command line globber/tokenizer library for C? David Brown <david.brown@hesbynett.no> - 2024-09-18 12:44 +0200
Re: Command line globber/tokenizer library for C? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-09-18 06:01 -0700
Re: Command line globber/tokenizer library for C? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-09-17 18:31 -0700
Re: Command line globber/tokenizer library for C? Michael S <already5chosen@yahoo.com> - 2024-09-18 11:03 +0300
Re: Command line globber/tokenizer library for C? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2024-09-18 05:09 -0700
Re: Command line globber/tokenizer library for C? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-18 02:20 +0000
Re: Command line globber/tokenizer library for C? Michael S <already5chosen@yahoo.com> - 2024-09-18 11:05 +0300
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 16:04 +0200
Re: Command line globber/tokenizer library for C? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-09-12 17:30 +0200
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 17:47 +0200
Re: Command line globber/tokenizer library for C? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-09-12 17:56 +0200
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 18:09 +0200
Re: Command line globber/tokenizer library for C? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-13 02:43 +0000
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-13 07:27 +0200
Re: Command line globber/tokenizer library for C? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-13 06:49 +0000
Re: Command line globber/tokenizer library for C? Michael S <already5chosen@yahoo.com> - 2024-09-13 11:49 +0300
Re: Command line globber/tokenizer library for C? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-13 22:04 +0000
Re: Command line globber/tokenizer library for C? Bart <bc@freeuk.com> - 2024-09-13 23:48 +0100
Re: Command line globber/tokenizer library for C? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-14 01:41 +0000
Re: Command line globber/tokenizer library for C? Bart <bc@freeuk.com> - 2024-09-14 10:58 +0100
Re: Command line globber/tokenizer library for C? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-14 22:37 +0000
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 15:58 +0200
Re: Command line globber/tokenizer library for C? Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 17:08 +0200
More OT BS (Was: Command line globber/tokenizer library for C?) gazelle@shell.xmission.com (Kenny McCormack) - 2024-09-12 15:23 +0000
Re: More OT BS (Was: Command line globber/tokenizer library for C?) Bonita Montero <Bonita.Montero@gmail.com> - 2024-09-12 17:24 +0200
Re: Command line globber/tokenizer library for C? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-09-12 22:09 +0000
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