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65 lines
1.6 KiB
65 lines
1.6 KiB
// Copyright (c) 2014 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package flexible
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import (
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"fmt"
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"time"
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"github.com/blevesearch/bleve/v2/analysis"
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"github.com/blevesearch/bleve/v2/registry"
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)
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const Name = "flexiblego"
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type DateTimeParser struct {
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layouts []string
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}
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func New(layouts []string) *DateTimeParser {
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return &DateTimeParser{
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layouts: layouts,
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}
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}
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func (p *DateTimeParser) ParseDateTime(input string) (time.Time, error) {
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for _, layout := range p.layouts {
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rv, err := time.Parse(layout, input)
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if err == nil {
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return rv, nil
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}
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}
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return time.Time{}, analysis.ErrInvalidDateTime
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}
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func DateTimeParserConstructor(config map[string]interface{}, cache *registry.Cache) (analysis.DateTimeParser, error) {
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layouts, ok := config["layouts"].([]interface{})
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if !ok {
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return nil, fmt.Errorf("must specify layouts")
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}
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var layoutStrs []string
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for _, layout := range layouts {
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layoutStr, ok := layout.(string)
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if ok {
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layoutStrs = append(layoutStrs, layoutStr)
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}
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}
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return New(layoutStrs), nil
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}
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func init() {
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registry.RegisterDateTimeParser(Name, DateTimeParserConstructor)
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}
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