diff options
Diffstat (limited to 'src/regex__FFI.urs')
| -rw-r--r-- | src/regex__FFI.urs | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/src/regex__FFI.urs b/src/regex__FFI.urs index 0f10052..02e3880 100644 --- a/src/regex__FFI.urs +++ b/src/regex__FFI.urs @@ -15,23 +15,29 @@ specific language governing permissions and limitations under the License. *) (* This is an internal module. You should use the high-level API in Regex instead. *) +(* Ideally, these types would be declared in a nice module hierarchy. +Unfortunately, Ur/Web bug #207 makes that impossible. *) +type substring_t +val substring_start : substring_t -> int +val substring_length : substring_t -> int -(* Data about a match. There is no function which returns all subexpression -matches, as we can't build an Ur list in C. *) -type match -val succeeded : match -> bool -val n_subexpression_matches : match -> int -val subexpression_match : match -> int -> string +type substring_list_t +val substring_list_length : substring_list_t -> int +val substring_list_get : substring_list_t -> int -> substring_t +(* Matches a regular expression against any part of a string. Returns a list of +groups. The zeroth element of each match represents the match as a whole. +Thus, matching /a(b*c)d/ against -(* Matches a regular expression against any part of a string. *) + 1 1 + 0 5 0 5 + __acd__abbbbcd__ + +will yield + + [(2,3), (3, 1)] + +where (x,y) is a substring with start x and length y. *) val do_match : string (* needle *) -> string (* haystack *) - -> match - -(* Replaces all substrings in 'haystack' that match 'needle' with the string -'replacement.' *) -val replace : string (* needle *) - -> string (* replacement *) - -> string (* haystack *) - -> string + -> substring_list_t |