diff options
author | Lennart Poettering <lennart@poettering.net> | 2004-06-19 01:01:09 +0000 |
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committer | Lennart Poettering <lennart@poettering.net> | 2004-06-19 01:01:09 +0000 |
commit | 56f8c953dd609bc5c94011fe4acdd9ef6b875747 (patch) | |
tree | 9fb30d4fa48eea2b66f81bd84e16ebc22a9b09c6 /src/tokenizer.c | |
parent | 382e7aefd471a4600010a04e6497d4bfd2fd8663 (diff) |
some more work on the cli
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@24 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/tokenizer.c')
-rw-r--r-- | src/tokenizer.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/tokenizer.c b/src/tokenizer.c new file mode 100644 index 00000000..0d266a9a --- /dev/null +++ b/src/tokenizer.c @@ -0,0 +1,64 @@ +#include <string.h> +#include <assert.h> +#include <stdlib.h> + +#include "tokenizer.h" +#include "dynarray.h" + +struct tokenizer { + struct dynarray *dynarray; +}; + +static void token_free(void *p, void *userdata) { + free(p); +} + +static void parse(struct dynarray*a, const char *s, unsigned args) { + int infty = 0; + const char delimiter[] = " \t\n\r"; + const char *p; + assert(a && s); + + if (args == 0) + infty = 1; + + p = s+strspn(s, delimiter); + while (*p && (infty || args >= 2)) { + size_t l = strcspn(p, delimiter); + char *n = strndup(p, l); + assert(n); + dynarray_append(a, n); + p += l; + p += strspn(p, delimiter); + args--; + } + + if (args && *p) { + char *n = strdup(p); + assert(n); + dynarray_append(a, n); + } +} + +struct tokenizer* tokenizer_new(const char *s, unsigned args) { + struct tokenizer *t; + + t = malloc(sizeof(struct tokenizer)); + assert(t); + t->dynarray = dynarray_new(); + assert(t->dynarray); + + parse(t->dynarray, s, args); + return t; +} + +void tokenizer_free(struct tokenizer *t) { + assert(t); + dynarray_free(t->dynarray, token_free, NULL); + free(t); +} + +const char *tokenizer_get(struct tokenizer *t, unsigned i) { + assert(t); + return dynarray_get(t->dynarray, i); +} |