Upgrade blevesearch dependency to v2.0.1 (#14346)

* Upgrade blevesearch dependency to v2.0.1

* Update rupture to v1.0.0

* Fix test

vendor/github.com/blevesearch/bleve/v2/registry/analyzer.go

@@ -0,0 +1,89 @@
+//  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 registry
+
+import (
+	"fmt"
+
+	"github.com/blevesearch/bleve/v2/analysis"
+)
+
+func RegisterAnalyzer(name string, constructor AnalyzerConstructor) {
+	_, exists := analyzers[name]
+	if exists {
+		panic(fmt.Errorf("attempted to register duplicate analyzer named '%s'", name))
+	}
+	analyzers[name] = constructor
+}
+
+type AnalyzerConstructor func(config map[string]interface{}, cache *Cache) (*analysis.Analyzer, error)
+type AnalyzerRegistry map[string]AnalyzerConstructor
+
+type AnalyzerCache struct {
+	*ConcurrentCache
+}
+
+func NewAnalyzerCache() *AnalyzerCache {
+	return &AnalyzerCache{
+		NewConcurrentCache(),
+	}
+}
+
+func AnalyzerBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) {
+	cons, registered := analyzers[name]
+	if !registered {
+		return nil, fmt.Errorf("no analyzer with name or type '%s' registered", name)
+	}
+	analyzer, err := cons(config, cache)
+	if err != nil {
+		return nil, fmt.Errorf("error building analyzer: %v", err)
+	}
+	return analyzer, nil
+}
+
+func (c *AnalyzerCache) AnalyzerNamed(name string, cache *Cache) (*analysis.Analyzer, error) {
+	item, err := c.ItemNamed(name, cache, AnalyzerBuild)
+	if err != nil {
+		return nil, err
+	}
+	return item.(*analysis.Analyzer), nil
+}
+
+func (c *AnalyzerCache) DefineAnalyzer(name string, typ string, config map[string]interface{}, cache *Cache) (*analysis.Analyzer, error) {
+	item, err := c.DefineItem(name, typ, config, cache, AnalyzerBuild)
+	if err != nil {
+		if err == ErrAlreadyDefined {
+			return nil, fmt.Errorf("analyzer named '%s' already defined", name)
+		}
+		return nil, err
+	}
+	return item.(*analysis.Analyzer), nil
+}
+
+func AnalyzerTypesAndInstances() ([]string, []string) {
+	emptyConfig := map[string]interface{}{}
+	emptyCache := NewCache()
+	var types []string
+	var instances []string
+	for name, cons := range analyzers {
+		_, err := cons(emptyConfig, emptyCache)
+		if err == nil {
+			instances = append(instances, name)
+		} else {
+			types = append(types, name)
+		}
+	}
+	return types, instances
+}

vendor/github.com/blevesearch/bleve/v2/registry/cache.go

@@ -0,0 +1,87 @@
+//  Copyright (c) 2016 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 registry
+
+import (
+	"fmt"
+	"sync"
+)
+
+var ErrAlreadyDefined = fmt.Errorf("item already defined")
+
+type CacheBuild func(name string, config map[string]interface{}, cache *Cache) (interface{}, error)
+
+type ConcurrentCache struct {
+	mutex sync.RWMutex
+	data  map[string]interface{}
+}
+
+func NewConcurrentCache() *ConcurrentCache {
+	return &ConcurrentCache{
+		data: make(map[string]interface{}),
+	}
+}
+
+func (c *ConcurrentCache) ItemNamed(name string, cache *Cache, build CacheBuild) (interface{}, error) {
+	c.mutex.RLock()
+	item, cached := c.data[name]
+	if cached {
+		c.mutex.RUnlock()
+		return item, nil
+	}
+	// give up read lock
+	c.mutex.RUnlock()
+	// try to build it
+	newItem, err := build(name, nil, cache)
+	if err != nil {
+		return nil, err
+	}
+	// acquire write lock
+	c.mutex.Lock()
+	defer c.mutex.Unlock()
+	// check again because it could have been created while trading locks
+	item, cached = c.data[name]
+	if cached {
+		return item, nil
+	}
+	c.data[name] = newItem
+	return newItem, nil
+}
+
+func (c *ConcurrentCache) DefineItem(name string, typ string, config map[string]interface{}, cache *Cache, build CacheBuild) (interface{}, error) {
+	c.mutex.RLock()
+	_, cached := c.data[name]
+	if cached {
+		c.mutex.RUnlock()
+		return nil, ErrAlreadyDefined
+	}
+	// give up read lock so others lookups can proceed
+	c.mutex.RUnlock()
+	// really not there, try to build it
+	newItem, err := build(typ, config, cache)
+	if err != nil {
+		return nil, err
+	}
+	// now we've built it, acquire lock
+	c.mutex.Lock()
+	defer c.mutex.Unlock()
+	// check again because it could have been created while trading locks
+	_, cached = c.data[name]
+	if cached {
+		return nil, ErrAlreadyDefined
+	}
+	c.data[name] = newItem
+	return newItem, nil
+}

vendor/github.com/blevesearch/bleve/v2/registry/char_filter.go

@@ -0,0 +1,89 @@
+//  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 registry
+
+import (
+	"fmt"
+
+	"github.com/blevesearch/bleve/v2/analysis"
+)
+
+func RegisterCharFilter(name string, constructor CharFilterConstructor) {
+	_, exists := charFilters[name]
+	if exists {
+		panic(fmt.Errorf("attempted to register duplicate char filter named '%s'", name))
+	}
+	charFilters[name] = constructor
+}
+
+type CharFilterConstructor func(config map[string]interface{}, cache *Cache) (analysis.CharFilter, error)
+type CharFilterRegistry map[string]CharFilterConstructor
+
+type CharFilterCache struct {
+	*ConcurrentCache
+}
+
+func NewCharFilterCache() *CharFilterCache {
+	return &CharFilterCache{
+		NewConcurrentCache(),
+	}
+}
+
+func CharFilterBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) {
+	cons, registered := charFilters[name]
+	if !registered {
+		return nil, fmt.Errorf("no char filter with name or type '%s' registered", name)
+	}
+	charFilter, err := cons(config, cache)
+	if err != nil {
+		return nil, fmt.Errorf("error building char filter: %v", err)
+	}
+	return charFilter, nil
+}
+
+func (c *CharFilterCache) CharFilterNamed(name string, cache *Cache) (analysis.CharFilter, error) {
+	item, err := c.ItemNamed(name, cache, CharFilterBuild)
+	if err != nil {
+		return nil, err
+	}
+	return item.(analysis.CharFilter), nil
+}
+
+func (c *CharFilterCache) DefineCharFilter(name string, typ string, config map[string]interface{}, cache *Cache) (analysis.CharFilter, error) {
+	item, err := c.DefineItem(name, typ, config, cache, CharFilterBuild)
+	if err != nil {
+		if err == ErrAlreadyDefined {
+			return nil, fmt.Errorf("char filter named '%s' already defined", name)
+		}
+		return nil, err
+	}
+	return item.(analysis.CharFilter), nil
+}
+
+func CharFilterTypesAndInstances() ([]string, []string) {
+	emptyConfig := map[string]interface{}{}
+	emptyCache := NewCache()
+	var types []string
+	var instances []string
+	for name, cons := range charFilters {
+		_, err := cons(emptyConfig, emptyCache)
+		if err == nil {
+			instances = append(instances, name)
+		} else {
+			types = append(types, name)
+		}
+	}
+	return types, instances
+}

vendor/github.com/blevesearch/bleve/v2/registry/datetime_parser.go

@@ -0,0 +1,89 @@
+//  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 registry
+
+import (
+	"fmt"
+
+	"github.com/blevesearch/bleve/v2/analysis"
+)
+
+func RegisterDateTimeParser(name string, constructor DateTimeParserConstructor) {
+	_, exists := dateTimeParsers[name]
+	if exists {
+		panic(fmt.Errorf("attempted to register duplicate date time parser named '%s'", name))
+	}
+	dateTimeParsers[name] = constructor
+}
+
+type DateTimeParserConstructor func(config map[string]interface{}, cache *Cache) (analysis.DateTimeParser, error)
+type DateTimeParserRegistry map[string]DateTimeParserConstructor
+
+type DateTimeParserCache struct {
+	*ConcurrentCache
+}
+
+func NewDateTimeParserCache() *DateTimeParserCache {
+	return &DateTimeParserCache{
+		NewConcurrentCache(),
+	}
+}
+
+func DateTimeParserBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) {
+	cons, registered := dateTimeParsers[name]
+	if !registered {
+		return nil, fmt.Errorf("no date time parser with name or type '%s' registered", name)
+	}
+	dateTimeParser, err := cons(config, cache)
+	if err != nil {
+		return nil, fmt.Errorf("error building date time parser: %v", err)
+	}
+	return dateTimeParser, nil
+}
+
+func (c *DateTimeParserCache) DateTimeParserNamed(name string, cache *Cache) (analysis.DateTimeParser, error) {
+	item, err := c.ItemNamed(name, cache, DateTimeParserBuild)
+	if err != nil {
+		return nil, err
+	}
+	return item.(analysis.DateTimeParser), nil
+}
+
+func (c *DateTimeParserCache) DefineDateTimeParser(name string, typ string, config map[string]interface{}, cache *Cache) (analysis.DateTimeParser, error) {
+	item, err := c.DefineItem(name, typ, config, cache, DateTimeParserBuild)
+	if err != nil {
+		if err == ErrAlreadyDefined {
+			return nil, fmt.Errorf("date time parser named '%s' already defined", name)
+		}
+		return nil, err
+	}
+	return item.(analysis.DateTimeParser), nil
+}
+
+func DateTimeParserTypesAndInstances() ([]string, []string) {
+	emptyConfig := map[string]interface{}{}
+	emptyCache := NewCache()
+	var types []string
+	var instances []string
+	for name, cons := range dateTimeParsers {
+		_, err := cons(emptyConfig, emptyCache)
+		if err == nil {
+			instances = append(instances, name)
+		} else {
+			types = append(types, name)
+		}
+	}
+	return types, instances
+}

vendor/github.com/blevesearch/bleve/v2/registry/fragment_formatter.go

@@ -0,0 +1,89 @@
+//  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 registry
+
+import (
+	"fmt"
+
+	"github.com/blevesearch/bleve/v2/search/highlight"
+)
+
+func RegisterFragmentFormatter(name string, constructor FragmentFormatterConstructor) {
+	_, exists := fragmentFormatters[name]
+	if exists {
+		panic(fmt.Errorf("attempted to register duplicate fragment formatter named '%s'", name))
+	}
+	fragmentFormatters[name] = constructor
+}
+
+type FragmentFormatterConstructor func(config map[string]interface{}, cache *Cache) (highlight.FragmentFormatter, error)
+type FragmentFormatterRegistry map[string]FragmentFormatterConstructor
+
+type FragmentFormatterCache struct {
+	*ConcurrentCache
+}
+
+func NewFragmentFormatterCache() *FragmentFormatterCache {
+	return &FragmentFormatterCache{
+		NewConcurrentCache(),
+	}
+}
+
+func FragmentFormatterBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) {
+	cons, registered := fragmentFormatters[name]
+	if !registered {
+		return nil, fmt.Errorf("no fragment formatter with name or type '%s' registered", name)
+	}
+	fragmentFormatter, err := cons(config, cache)
+	if err != nil {
+		return nil, fmt.Errorf("error building fragment formatter: %v", err)
+	}
+	return fragmentFormatter, nil
+}
+
+func (c *FragmentFormatterCache) FragmentFormatterNamed(name string, cache *Cache) (highlight.FragmentFormatter, error) {
+	item, err := c.ItemNamed(name, cache, FragmentFormatterBuild)
+	if err != nil {
+		return nil, err
+	}
+	return item.(highlight.FragmentFormatter), nil
+}
+
+func (c *FragmentFormatterCache) DefineFragmentFormatter(name string, typ string, config map[string]interface{}, cache *Cache) (highlight.FragmentFormatter, error) {
+	item, err := c.DefineItem(name, typ, config, cache, FragmentFormatterBuild)
+	if err != nil {
+		if err == ErrAlreadyDefined {
+			return nil, fmt.Errorf("fragment formatter named '%s' already defined", name)
+		}
+		return nil, err
+	}
+	return item.(highlight.FragmentFormatter), nil
+}
+
+func FragmentFormatterTypesAndInstances() ([]string, []string) {
+	emptyConfig := map[string]interface{}{}
+	emptyCache := NewCache()
+	var types []string
+	var instances []string
+	for name, cons := range fragmentFormatters {
+		_, err := cons(emptyConfig, emptyCache)
+		if err == nil {
+			instances = append(instances, name)
+		} else {
+			types = append(types, name)
+		}
+	}
+	return types, instances
+}

vendor/github.com/blevesearch/bleve/v2/registry/fragmenter.go

@@ -0,0 +1,89 @@
+//  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 registry
+
+import (
+	"fmt"
+
+	"github.com/blevesearch/bleve/v2/search/highlight"
+)
+
+func RegisterFragmenter(name string, constructor FragmenterConstructor) {
+	_, exists := fragmenters[name]
+	if exists {
+		panic(fmt.Errorf("attempted to register duplicate fragmenter named '%s'", name))
+	}
+	fragmenters[name] = constructor
+}
+
+type FragmenterConstructor func(config map[string]interface{}, cache *Cache) (highlight.Fragmenter, error)
+type FragmenterRegistry map[string]FragmenterConstructor
+
+type FragmenterCache struct {
+	*ConcurrentCache
+}
+
+func NewFragmenterCache() *FragmenterCache {
+	return &FragmenterCache{
+		NewConcurrentCache(),
+	}
+}
+
+func FragmenterBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) {
+	cons, registered := fragmenters[name]
+	if !registered {
+		return nil, fmt.Errorf("no fragmenter with name or type '%s' registered", name)
+	}
+	fragmenter, err := cons(config, cache)
+	if err != nil {
+		return nil, fmt.Errorf("error building fragmenter: %v", err)
+	}
+	return fragmenter, nil
+}
+
+func (c *FragmenterCache) FragmenterNamed(name string, cache *Cache) (highlight.Fragmenter, error) {
+	item, err := c.ItemNamed(name, cache, FragmenterBuild)
+	if err != nil {
+		return nil, err
+	}
+	return item.(highlight.Fragmenter), nil
+}
+
+func (c *FragmenterCache) DefineFragmenter(name string, typ string, config map[string]interface{}, cache *Cache) (highlight.Fragmenter, error) {
+	item, err := c.DefineItem(name, typ, config, cache, FragmenterBuild)
+	if err != nil {
+		if err == ErrAlreadyDefined {
+			return nil, fmt.Errorf("fragmenter named '%s' already defined", name)
+		}
+		return nil, err
+	}
+	return item.(highlight.Fragmenter), nil
+}
+
+func FragmenterTypesAndInstances() ([]string, []string) {
+	emptyConfig := map[string]interface{}{}
+	emptyCache := NewCache()
+	var types []string
+	var instances []string
+	for name, cons := range fragmenters {
+		_, err := cons(emptyConfig, emptyCache)
+		if err == nil {
+			instances = append(instances, name)
+		} else {
+			types = append(types, name)
+		}
+	}
+	return types, instances
+}

vendor/github.com/blevesearch/bleve/v2/registry/highlighter.go

@@ -0,0 +1,89 @@
+//  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 registry
+
+import (
+	"fmt"
+
+	"github.com/blevesearch/bleve/v2/search/highlight"
+)
+
+func RegisterHighlighter(name string, constructor HighlighterConstructor) {
+	_, exists := highlighters[name]
+	if exists {
+		panic(fmt.Errorf("attempted to register duplicate highlighter named '%s'", name))
+	}
+	highlighters[name] = constructor
+}
+
+type HighlighterConstructor func(config map[string]interface{}, cache *Cache) (highlight.Highlighter, error)
+type HighlighterRegistry map[string]HighlighterConstructor
+
+type HighlighterCache struct {
+	*ConcurrentCache
+}
+
+func NewHighlighterCache() *HighlighterCache {
+	return &HighlighterCache{
+		NewConcurrentCache(),
+	}
+}
+
+func HighlighterBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) {
+	cons, registered := highlighters[name]
+	if !registered {
+		return nil, fmt.Errorf("no highlighter with name or type '%s' registered", name)
+	}
+	highlighter, err := cons(config, cache)
+	if err != nil {
+		return nil, fmt.Errorf("error building highlighter: %v", err)
+	}
+	return highlighter, nil
+}
+
+func (c *HighlighterCache) HighlighterNamed(name string, cache *Cache) (highlight.Highlighter, error) {
+	item, err := c.ItemNamed(name, cache, HighlighterBuild)
+	if err != nil {
+		return nil, err
+	}
+	return item.(highlight.Highlighter), nil
+}
+
+func (c *HighlighterCache) DefineHighlighter(name string, typ string, config map[string]interface{}, cache *Cache) (highlight.Highlighter, error) {
+	item, err := c.DefineItem(name, typ, config, cache, HighlighterBuild)
+	if err != nil {
+		if err == ErrAlreadyDefined {
+			return nil, fmt.Errorf("highlighter named '%s' already defined", name)
+		}
+		return nil, err
+	}
+	return item.(highlight.Highlighter), nil
+}
+
+func HighlighterTypesAndInstances() ([]string, []string) {
+	emptyConfig := map[string]interface{}{}
+	emptyCache := NewCache()
+	var types []string
+	var instances []string
+	for name, cons := range highlighters {
+		_, err := cons(emptyConfig, emptyCache)
+		if err == nil {
+			instances = append(instances, name)
+		} else {
+			types = append(types, name)
+		}
+	}
+	return types, instances
+}

vendor/github.com/blevesearch/bleve/v2/registry/index_type.go

@@ -0,0 +1,45 @@
+//  Copyright (c) 2015 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 registry
+
+import (
+	"fmt"
+
+	index "github.com/blevesearch/bleve_index_api"
+)
+
+func RegisterIndexType(name string, constructor IndexTypeConstructor) {
+	_, exists := indexTypes[name]
+	if exists {
+		panic(fmt.Errorf("attempted to register duplicate index encoding named '%s'", name))
+	}
+	indexTypes[name] = constructor
+}
+
+type IndexTypeConstructor func(storeName string, storeConfig map[string]interface{}, analysisQueue *index.AnalysisQueue) (index.Index, error)
+type IndexTypeRegistry map[string]IndexTypeConstructor
+
+func IndexTypeConstructorByName(name string) IndexTypeConstructor {
+	return indexTypes[name]
+}
+
+func IndexTypesAndInstances() ([]string, []string) {
+	var types []string
+	var instances []string
+	for name := range stores {
+		types = append(types, name)
+	}
+	return types, instances
+}

vendor/github.com/blevesearch/bleve/v2/registry/registry.go

@@ -0,0 +1,184 @@
+//  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 registry
+
+import (
+	"fmt"
+
+	"github.com/blevesearch/bleve/v2/analysis"
+	"github.com/blevesearch/bleve/v2/search/highlight"
+)
+
+var stores = make(KVStoreRegistry, 0)
+var indexTypes = make(IndexTypeRegistry, 0)
+
+// highlight
+var fragmentFormatters = make(FragmentFormatterRegistry, 0)
+var fragmenters = make(FragmenterRegistry, 0)
+var highlighters = make(HighlighterRegistry, 0)
+
+// analysis
+var charFilters = make(CharFilterRegistry, 0)
+var tokenizers = make(TokenizerRegistry, 0)
+var tokenMaps = make(TokenMapRegistry, 0)
+var tokenFilters = make(TokenFilterRegistry, 0)
+var analyzers = make(AnalyzerRegistry, 0)
+var dateTimeParsers = make(DateTimeParserRegistry, 0)
+
+type Cache struct {
+	CharFilters        *CharFilterCache
+	Tokenizers         *TokenizerCache
+	TokenMaps          *TokenMapCache
+	TokenFilters       *TokenFilterCache
+	Analyzers          *AnalyzerCache
+	DateTimeParsers    *DateTimeParserCache
+	FragmentFormatters *FragmentFormatterCache
+	Fragmenters        *FragmenterCache
+	Highlighters       *HighlighterCache
+}
+
+func NewCache() *Cache {
+	return &Cache{
+		CharFilters:        NewCharFilterCache(),
+		Tokenizers:         NewTokenizerCache(),
+		TokenMaps:          NewTokenMapCache(),
+		TokenFilters:       NewTokenFilterCache(),
+		Analyzers:          NewAnalyzerCache(),
+		DateTimeParsers:    NewDateTimeParserCache(),
+		FragmentFormatters: NewFragmentFormatterCache(),
+		Fragmenters:        NewFragmenterCache(),
+		Highlighters:       NewHighlighterCache(),
+	}
+}
+
+func typeFromConfig(config map[string]interface{}) (string, error) {
+	prop, ok := config["type"]
+	if !ok {
+		return "", fmt.Errorf("'type' property is not defined")
+	}
+	typ, ok := prop.(string)
+	if !ok {
+		return "", fmt.Errorf("'type' property must be a string, not %T", prop)
+	}
+	return typ, nil
+}
+
+func (c *Cache) CharFilterNamed(name string) (analysis.CharFilter, error) {
+	return c.CharFilters.CharFilterNamed(name, c)
+}
+
+func (c *Cache) DefineCharFilter(name string, config map[string]interface{}) (analysis.CharFilter, error) {
+	typ, err := typeFromConfig(config)
+	if err != nil {
+		return nil, err
+	}
+	return c.CharFilters.DefineCharFilter(name, typ, config, c)
+}
+
+func (c *Cache) TokenizerNamed(name string) (analysis.Tokenizer, error) {
+	return c.Tokenizers.TokenizerNamed(name, c)
+}
+
+func (c *Cache) DefineTokenizer(name string, config map[string]interface{}) (analysis.Tokenizer, error) {
+	typ, err := typeFromConfig(config)
+	if err != nil {
+		return nil, fmt.Errorf("cannot resolve '%s' tokenizer type: %s", name, err)
+	}
+	return c.Tokenizers.DefineTokenizer(name, typ, config, c)
+}
+
+func (c *Cache) TokenMapNamed(name string) (analysis.TokenMap, error) {
+	return c.TokenMaps.TokenMapNamed(name, c)
+}
+
+func (c *Cache) DefineTokenMap(name string, config map[string]interface{}) (analysis.TokenMap, error) {
+	typ, err := typeFromConfig(config)
+	if err != nil {
+		return nil, err
+	}
+	return c.TokenMaps.DefineTokenMap(name, typ, config, c)
+}
+
+func (c *Cache) TokenFilterNamed(name string) (analysis.TokenFilter, error) {
+	return c.TokenFilters.TokenFilterNamed(name, c)
+}
+
+func (c *Cache) DefineTokenFilter(name string, config map[string]interface{}) (analysis.TokenFilter, error) {
+	typ, err := typeFromConfig(config)
+	if err != nil {
+		return nil, err
+	}
+	return c.TokenFilters.DefineTokenFilter(name, typ, config, c)
+}
+
+func (c *Cache) AnalyzerNamed(name string) (*analysis.Analyzer, error) {
+	return c.Analyzers.AnalyzerNamed(name, c)
+}
+
+func (c *Cache) DefineAnalyzer(name string, config map[string]interface{}) (*analysis.Analyzer, error) {
+	typ, err := typeFromConfig(config)
+	if err != nil {
+		return nil, err
+	}
+	return c.Analyzers.DefineAnalyzer(name, typ, config, c)
+}
+
+func (c *Cache) DateTimeParserNamed(name string) (analysis.DateTimeParser, error) {
+	return c.DateTimeParsers.DateTimeParserNamed(name, c)
+}
+
+func (c *Cache) DefineDateTimeParser(name string, config map[string]interface{}) (analysis.DateTimeParser, error) {
+	typ, err := typeFromConfig(config)
+	if err != nil {
+		return nil, err
+	}
+	return c.DateTimeParsers.DefineDateTimeParser(name, typ, config, c)
+}
+
+func (c *Cache) FragmentFormatterNamed(name string) (highlight.FragmentFormatter, error) {
+	return c.FragmentFormatters.FragmentFormatterNamed(name, c)
+}
+
+func (c *Cache) DefineFragmentFormatter(name string, config map[string]interface{}) (highlight.FragmentFormatter, error) {
+	typ, err := typeFromConfig(config)
+	if err != nil {
+		return nil, err
+	}
+	return c.FragmentFormatters.DefineFragmentFormatter(name, typ, config, c)
+}
+
+func (c *Cache) FragmenterNamed(name string) (highlight.Fragmenter, error) {
+	return c.Fragmenters.FragmenterNamed(name, c)
+}
+
+func (c *Cache) DefineFragmenter(name string, config map[string]interface{}) (highlight.Fragmenter, error) {
+	typ, err := typeFromConfig(config)
+	if err != nil {
+		return nil, err
+	}
+	return c.Fragmenters.DefineFragmenter(name, typ, config, c)
+}
+
+func (c *Cache) HighlighterNamed(name string) (highlight.Highlighter, error) {
+	return c.Highlighters.HighlighterNamed(name, c)
+}
+
+func (c *Cache) DefineHighlighter(name string, config map[string]interface{}) (highlight.Highlighter, error) {
+	typ, err := typeFromConfig(config)
+	if err != nil {
+		return nil, err
+	}
+	return c.Highlighters.DefineHighlighter(name, typ, config, c)
+}

vendor/github.com/blevesearch/bleve/v2/registry/store.go

@@ -0,0 +1,51 @@
+//  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 registry
+
+import (
+	"fmt"
+
+	"github.com/blevesearch/upsidedown_store_api"
+)
+
+func RegisterKVStore(name string, constructor KVStoreConstructor) {
+	_, exists := stores[name]
+	if exists {
+		panic(fmt.Errorf("attempted to register duplicate store named '%s'", name))
+	}
+	stores[name] = constructor
+}
+
+// KVStoreConstructor is used to build a KVStore of a specific type when
+// specificied by the index configuration. In addition to meeting the
+// store.KVStore interface, KVStores must also support this constructor.
+// Note that currently the values of config must
+// be able to be marshaled and unmarshaled using the encoding/json library (used
+// when reading/writing the index metadata file).
+type KVStoreConstructor func(mo store.MergeOperator, config map[string]interface{}) (store.KVStore, error)
+type KVStoreRegistry map[string]KVStoreConstructor
+
+func KVStoreConstructorByName(name string) KVStoreConstructor {
+	return stores[name]
+}
+
+func KVStoreTypesAndInstances() ([]string, []string) {
+	var types []string
+	var instances []string
+	for name := range stores {
+		types = append(types, name)
+	}
+	return types, instances
+}

vendor/github.com/blevesearch/bleve/v2/registry/token_filter.go

@@ -0,0 +1,89 @@
+//  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 registry
+
+import (
+	"fmt"
+
+	"github.com/blevesearch/bleve/v2/analysis"
+)
+
+func RegisterTokenFilter(name string, constructor TokenFilterConstructor) {
+	_, exists := tokenFilters[name]
+	if exists {
+		panic(fmt.Errorf("attempted to register duplicate token filter named '%s'", name))
+	}
+	tokenFilters[name] = constructor
+}
+
+type TokenFilterConstructor func(config map[string]interface{}, cache *Cache) (analysis.TokenFilter, error)
+type TokenFilterRegistry map[string]TokenFilterConstructor
+
+type TokenFilterCache struct {
+	*ConcurrentCache
+}
+
+func NewTokenFilterCache() *TokenFilterCache {
+	return &TokenFilterCache{
+		NewConcurrentCache(),
+	}
+}
+
+func TokenFilterBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) {
+	cons, registered := tokenFilters[name]
+	if !registered {
+		return nil, fmt.Errorf("no token filter with name or type '%s' registered", name)
+	}
+	tokenFilter, err := cons(config, cache)
+	if err != nil {
+		return nil, fmt.Errorf("error building token filter: %v", err)
+	}
+	return tokenFilter, nil
+}
+
+func (c *TokenFilterCache) TokenFilterNamed(name string, cache *Cache) (analysis.TokenFilter, error) {
+	item, err := c.ItemNamed(name, cache, TokenFilterBuild)
+	if err != nil {
+		return nil, err
+	}
+	return item.(analysis.TokenFilter), nil
+}
+
+func (c *TokenFilterCache) DefineTokenFilter(name string, typ string, config map[string]interface{}, cache *Cache) (analysis.TokenFilter, error) {
+	item, err := c.DefineItem(name, typ, config, cache, TokenFilterBuild)
+	if err != nil {
+		if err == ErrAlreadyDefined {
+			return nil, fmt.Errorf("token filter named '%s' already defined", name)
+		}
+		return nil, err
+	}
+	return item.(analysis.TokenFilter), nil
+}
+
+func TokenFilterTypesAndInstances() ([]string, []string) {
+	emptyConfig := map[string]interface{}{}
+	emptyCache := NewCache()
+	var types []string
+	var instances []string
+	for name, cons := range tokenFilters {
+		_, err := cons(emptyConfig, emptyCache)
+		if err == nil {
+			instances = append(instances, name)
+		} else {
+			types = append(types, name)
+		}
+	}
+	return types, instances
+}

vendor/github.com/blevesearch/bleve/v2/registry/token_maps.go

@@ -0,0 +1,89 @@
+//  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 registry
+
+import (
+	"fmt"
+
+	"github.com/blevesearch/bleve/v2/analysis"
+)
+
+func RegisterTokenMap(name string, constructor TokenMapConstructor) {
+	_, exists := tokenMaps[name]
+	if exists {
+		panic(fmt.Errorf("attempted to register duplicate token map named '%s'", name))
+	}
+	tokenMaps[name] = constructor
+}
+
+type TokenMapConstructor func(config map[string]interface{}, cache *Cache) (analysis.TokenMap, error)
+type TokenMapRegistry map[string]TokenMapConstructor
+
+type TokenMapCache struct {
+	*ConcurrentCache
+}
+
+func NewTokenMapCache() *TokenMapCache {
+	return &TokenMapCache{
+		NewConcurrentCache(),
+	}
+}
+
+func TokenMapBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) {
+	cons, registered := tokenMaps[name]
+	if !registered {
+		return nil, fmt.Errorf("no token map with name or type '%s' registered", name)
+	}
+	tokenMap, err := cons(config, cache)
+	if err != nil {
+		return nil, fmt.Errorf("error building token map: %v", err)
+	}
+	return tokenMap, nil
+}
+
+func (c *TokenMapCache) TokenMapNamed(name string, cache *Cache) (analysis.TokenMap, error) {
+	item, err := c.ItemNamed(name, cache, TokenMapBuild)
+	if err != nil {
+		return nil, err
+	}
+	return item.(analysis.TokenMap), nil
+}
+
+func (c *TokenMapCache) DefineTokenMap(name string, typ string, config map[string]interface{}, cache *Cache) (analysis.TokenMap, error) {
+	item, err := c.DefineItem(name, typ, config, cache, TokenMapBuild)
+	if err != nil {
+		if err == ErrAlreadyDefined {
+			return nil, fmt.Errorf("token map named '%s' already defined", name)
+		}
+		return nil, err
+	}
+	return item.(analysis.TokenMap), nil
+}
+
+func TokenMapTypesAndInstances() ([]string, []string) {
+	emptyConfig := map[string]interface{}{}
+	emptyCache := NewCache()
+	var types []string
+	var instances []string
+	for name, cons := range tokenMaps {
+		_, err := cons(emptyConfig, emptyCache)
+		if err == nil {
+			instances = append(instances, name)
+		} else {
+			types = append(types, name)
+		}
+	}
+	return types, instances
+}

vendor/github.com/blevesearch/bleve/v2/registry/tokenizer.go

@@ -0,0 +1,89 @@
+//  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 registry
+
+import (
+	"fmt"
+
+	"github.com/blevesearch/bleve/v2/analysis"
+)
+
+func RegisterTokenizer(name string, constructor TokenizerConstructor) {
+	_, exists := tokenizers[name]
+	if exists {
+		panic(fmt.Errorf("attempted to register duplicate tokenizer named '%s'", name))
+	}
+	tokenizers[name] = constructor
+}
+
+type TokenizerConstructor func(config map[string]interface{}, cache *Cache) (analysis.Tokenizer, error)
+type TokenizerRegistry map[string]TokenizerConstructor
+
+type TokenizerCache struct {
+	*ConcurrentCache
+}
+
+func NewTokenizerCache() *TokenizerCache {
+	return &TokenizerCache{
+		NewConcurrentCache(),
+	}
+}
+
+func TokenizerBuild(name string, config map[string]interface{}, cache *Cache) (interface{}, error) {
+	cons, registered := tokenizers[name]
+	if !registered {
+		return nil, fmt.Errorf("no tokenizer with name or type '%s' registered", name)
+	}
+	tokenizer, err := cons(config, cache)
+	if err != nil {
+		return nil, fmt.Errorf("error building tokenizer: %v", err)
+	}
+	return tokenizer, nil
+}
+
+func (c *TokenizerCache) TokenizerNamed(name string, cache *Cache) (analysis.Tokenizer, error) {
+	item, err := c.ItemNamed(name, cache, TokenizerBuild)
+	if err != nil {
+		return nil, err
+	}
+	return item.(analysis.Tokenizer), nil
+}
+
+func (c *TokenizerCache) DefineTokenizer(name string, typ string, config map[string]interface{}, cache *Cache) (analysis.Tokenizer, error) {
+	item, err := c.DefineItem(name, typ, config, cache, TokenizerBuild)
+	if err != nil {
+		if err == ErrAlreadyDefined {
+			return nil, fmt.Errorf("tokenizer named '%s' already defined", name)
+		}
+		return nil, err
+	}
+	return item.(analysis.Tokenizer), nil
+}
+
+func TokenizerTypesAndInstances() ([]string, []string) {
+	emptyConfig := map[string]interface{}{}
+	emptyCache := NewCache()
+	var types []string
+	var instances []string
+	for name, cons := range tokenizers {
+		_, err := cons(emptyConfig, emptyCache)
+		if err == nil {
+			instances = append(instances, name)
+		} else {
+			types = append(types, name)
+		}
+	}
+	return types, instances
+}