diff options
Diffstat (limited to 'xapian/xapian.scm')
| -rw-r--r-- | xapian/xapian.scm | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/xapian/xapian.scm b/xapian/xapian.scm index 8c19c80..92bf5d3 100644 --- a/xapian/xapian.scm +++ b/xapian/xapian.scm @@ -18,6 +18,7 @@ ;;; <https://www.gnu.org/licenses/>. (define-module (xapian xapian) + #:use-module (rnrs arithmetic bitwise) #:use-module (ice-9 match) #:use-module (srfi srfi-26) #:use-module (xapian wrap) @@ -44,7 +45,8 @@ mset-item-document mset-item-rank mset-item-weight - mset-fold)) + mset-fold + mset-snippet)) (define xapian-open new-Database) (define xapian-close delete-Database) @@ -141,3 +143,20 @@ on the database object." (else (let ((result (proc head result))) (MSetIterator-next head) (loop head result)))))) + +(define (get-flag flag-thunk value) + (if value (flag-thunk) 0)) + +;; TODO: Support cjk-words? +(define* (mset-snippet mset text + #:key (length 500) (stemmer (make-stem "none")) + (highlight-start "<b>") (highlight-end "</b>") (omit "...") + (background-model? #t) (exhaustive? #t) + (empty-without-match? #t) + (cjk-ngram? #t)) + (MSet-snippet mset text length stemmer + (bitwise-ior (get-flag MSet-SNIPPET-BACKGROUND-MODEL background-model?) + (get-flag MSet-SNIPPET-EXHAUSTIVE exhaustive?) + (get-flag MSet-SNIPPET-EMPTY-WITHOUT-MATCH empty-without-match?) + (get-flag MSet-SNIPPET-CJK-NGRAM cjk-ngram?)) + highlight-start highlight-end omit)) |