2014-07-30 18:30:38 +02:00
|
|
|
// 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.
|
2014-06-26 17:43:13 +02:00
|
|
|
|
2014-09-01 17:15:38 +02:00
|
|
|
package ansi
|
|
|
|
|
|
|
|
import (
|
|
|
|
"github.com/blevesearch/bleve/registry"
|
|
|
|
"github.com/blevesearch/bleve/search"
|
|
|
|
"github.com/blevesearch/bleve/search/highlight"
|
|
|
|
)
|
|
|
|
|
|
|
|
const Name = "ansi"
|
2014-06-26 17:43:13 +02:00
|
|
|
|
|
|
|
const DEFAULT_ANSI_HIGHLIGHT = bgYellow
|
|
|
|
|
|
|
|
type ANSIFragmentFormatter struct {
|
|
|
|
color string
|
|
|
|
}
|
|
|
|
|
|
|
|
func NewANSIFragmentFormatter() *ANSIFragmentFormatter {
|
|
|
|
return &ANSIFragmentFormatter{
|
|
|
|
color: DEFAULT_ANSI_HIGHLIGHT,
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-09-01 17:15:38 +02:00
|
|
|
func (a *ANSIFragmentFormatter) Format(f *highlight.Fragment, tlm search.TermLocationMap) string {
|
|
|
|
orderedTermLocations := highlight.OrderTermLocations(tlm)
|
2014-06-26 17:43:13 +02:00
|
|
|
rv := ""
|
2014-09-01 17:15:38 +02:00
|
|
|
curr := f.Start
|
2014-06-26 17:43:13 +02:00
|
|
|
for _, termLocation := range orderedTermLocations {
|
|
|
|
if termLocation.Start < curr {
|
|
|
|
continue
|
|
|
|
}
|
2014-09-01 17:15:38 +02:00
|
|
|
if termLocation.End > f.End {
|
2014-06-26 17:43:13 +02:00
|
|
|
break
|
|
|
|
}
|
|
|
|
// add the stuff before this location
|
2014-09-01 17:15:38 +02:00
|
|
|
rv += string(f.Orig[curr:termLocation.Start])
|
2014-06-26 17:43:13 +02:00
|
|
|
// add the color
|
|
|
|
rv += a.color
|
|
|
|
// add the term itself
|
2014-09-01 17:15:38 +02:00
|
|
|
rv += string(f.Orig[termLocation.Start:termLocation.End])
|
2014-06-26 17:43:13 +02:00
|
|
|
// reset the color
|
|
|
|
rv += reset
|
|
|
|
// update current
|
|
|
|
curr = termLocation.End
|
|
|
|
}
|
|
|
|
// add any remaining text after the last token
|
2014-09-01 17:15:38 +02:00
|
|
|
rv += string(f.Orig[curr:f.End])
|
2014-06-26 17:43:13 +02:00
|
|
|
|
|
|
|
return rv
|
|
|
|
}
|
|
|
|
|
|
|
|
// ANSI color control escape sequences.
|
|
|
|
// Shamelessly copied from https://github.com/sqp/godock/blob/master/libs/log/colors.go
|
|
|
|
const (
|
|
|
|
reset = "\x1b[0m"
|
|
|
|
bright = "\x1b[1m"
|
|
|
|
dim = "\x1b[2m"
|
|
|
|
underscore = "\x1b[4m"
|
|
|
|
blink = "\x1b[5m"
|
|
|
|
reverse = "\x1b[7m"
|
|
|
|
hidden = "\x1b[8m"
|
|
|
|
fgBlack = "\x1b[30m"
|
|
|
|
fgRed = "\x1b[31m"
|
|
|
|
fgGreen = "\x1b[32m"
|
|
|
|
fgYellow = "\x1b[33m"
|
|
|
|
fgBlue = "\x1b[34m"
|
|
|
|
fgMagenta = "\x1b[35m"
|
|
|
|
fgCyan = "\x1b[36m"
|
|
|
|
fgWhite = "\x1b[37m"
|
|
|
|
bgBlack = "\x1b[40m"
|
|
|
|
bgRed = "\x1b[41m"
|
|
|
|
bgGreen = "\x1b[42m"
|
|
|
|
bgYellow = "\x1b[43m"
|
|
|
|
bgBlue = "\x1b[44m"
|
|
|
|
bgMagenta = "\x1b[45m"
|
|
|
|
bgCyan = "\x1b[46m"
|
|
|
|
bgWhite = "\x1b[47m"
|
|
|
|
)
|
2014-09-01 17:15:38 +02:00
|
|
|
|
|
|
|
func Constructor(config map[string]interface{}, cache *registry.Cache) (highlight.FragmentFormatter, error) {
|
|
|
|
return NewANSIFragmentFormatter(), nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func init() {
|
|
|
|
registry.RegisterFragmentFormatter(Name, Constructor)
|
|
|
|
}
|