diff options
author | JSDurand <mmemmew@gmail.com> | 2022-01-04 11:51:58 +0800 |
---|---|---|
committer | JSDurand <mmemmew@gmail.com> | 2022-01-04 11:51:58 +0800 |
commit | 55dc897da6e81f2a26cfc7e66ac942824773498b (patch) | |
tree | fce0d7d57832907c991d551833bf5eecde947dd2 /src/str.c | |
parent | 53b8b6ffab5a968db75e9babddf4e2dbb2c688a3 (diff) |
temporary commit
Now we can read grammars from a file.
But we need to check if it works for reading strings still.
Diffstat (limited to 'src/str.c')
-rw-r--r-- | src/str.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/str.c b/src/str.c new file mode 100644 index 0000000..46dc4a8 --- /dev/null +++ b/src/str.c @@ -0,0 +1,86 @@ +#include "str.h" +#include "str_partial.h" +#include <string.h> + +H_ATTR +str_info +_info_getter(str *s, UNUM n) +{ + return (str_info) { (NUM) *(s->data+n), 1 }; +} + +/* H_ATTR + * NUM + * _lenner(str *s) + * { + * return s->size; + * } */ + +str * +new_str(char *s, NUM size) +{ + str *str_pointer = MYALLOC(str, 1); + + str_pointer->size = size; + str_pointer->data = s; + str_pointer->getter = _info_getter; + /* str_pointer->lenner = _lenner; */ + + return str_pointer; +} + +void +destroy_str(str *s, int flag) +{ + if (flag) free(s->data); + + s->size = 0; + + free(s); +} + +H_ATTR +str_info +get_info(str *s, UNUM n) +{ + return s->getter(s, n); +} + +H_ATTR +NUM +str_length(str *s) +{ + return s->size; +} + +void +change_str_content(str *s, char *str, NUM size) +{ + s->data = str; + s->size = size; +} + +unsigned char +copy_str(str *dest, str *source) +{ + if (str_length(dest) < str_length(source)) + return 1; + + dest->size = source->size; + + memcpy(dest->data, source->data, source->size); + + return 0; +} + +char * +get_data(str *s) +{ + return s->data; +} + +void +str_set_length(str *s, UNUM size) +{ + s->size = size; +} |