Switch from Godep to go vendoring

vendor/github.com/blevesearch/bleve/query_wildcard.go

@@ -0,0 +1,102 @@
+//  Copyright (c) 2014 Couchbase, Inc.
+//  Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+//  except in compliance with the License. You may obtain a copy of the License at
+//    http://www.apache.org/licenses/LICENSE-2.0
+//  Unless required by applicable law or agreed to in writing, software distributed under the
+//  License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+//  either express or implied. See the License for the specific language governing permissions
+//  and limitations under the License.
+
+package bleve
+
+import (
+	"regexp"
+	"strings"
+
+	"github.com/blevesearch/bleve/index"
+	"github.com/blevesearch/bleve/search"
+	"github.com/blevesearch/bleve/search/searchers"
+)
+
+var wildcardRegexpReplacer = strings.NewReplacer(
+	// characters in the wildcard that must
+	// be escaped in the regexp
+	"+", `\+`,
+	"(", `\(`,
+	")", `\)`,
+	"^", `\^`,
+	"$", `\$`,
+	".", `\.`,
+	"{", `\{`,
+	"}", `\}`,
+	"[", `\[`,
+	"]", `\]`,
+	`|`, `\|`,
+	`\`, `\\`,
+	// wildcard characters
+	"*", ".*",
+	"?", ".")
+
+type wildcardQuery struct {
+	Wildcard string  `json:"wildcard"`
+	FieldVal string  `json:"field,omitempty"`
+	BoostVal float64 `json:"boost,omitempty"`
+	compiled *regexp.Regexp
+}
+
+// NewWildcardQuery creates a new Query which finds
+// documents containing terms that match the
+// specified wildcard.  In the wildcard pattern '*'
+// will match any sequence of 0 or more characters,
+// and '?' will match any single character.
+func NewWildcardQuery(wildcard string) *wildcardQuery {
+	return &wildcardQuery{
+		Wildcard: wildcard,
+		BoostVal: 1.0,
+	}
+}
+
+func (q *wildcardQuery) Boost() float64 {
+	return q.BoostVal
+}
+
+func (q *wildcardQuery) SetBoost(b float64) Query {
+	q.BoostVal = b
+	return q
+}
+
+func (q *wildcardQuery) Field() string {
+	return q.FieldVal
+}
+
+func (q *wildcardQuery) SetField(f string) Query {
+	q.FieldVal = f
+	return q
+}
+
+func (q *wildcardQuery) Searcher(i index.IndexReader, m *IndexMapping, explain bool) (search.Searcher, error) {
+	field := q.FieldVal
+	if q.FieldVal == "" {
+		field = m.DefaultField
+	}
+	if q.compiled == nil {
+		var err error
+		q.compiled, err = q.convertToRegexp()
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return searchers.NewRegexpSearcher(i, q.compiled, field, q.BoostVal, explain)
+}
+
+func (q *wildcardQuery) Validate() error {
+	var err error
+	q.compiled, err = q.convertToRegexp()
+	return err
+}
+
+func (q *wildcardQuery) convertToRegexp() (*regexp.Regexp, error) {
+	regexpString := "^" + wildcardRegexpReplacer.Replace(q.Wildcard) + "$"
+	return regexp.Compile(regexpString)
+}