66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
// 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 analysis
|
|
|
|
import (
|
|
"bufio"
|
|
"bytes"
|
|
"io"
|
|
"io/ioutil"
|
|
"strings"
|
|
)
|
|
|
|
type TokenMap map[string]bool
|
|
|
|
func NewTokenMap() TokenMap {
|
|
return make(TokenMap, 0)
|
|
}
|
|
|
|
func (t TokenMap) LoadFile(filename string) error {
|
|
data, err := ioutil.ReadFile(filename)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return t.LoadBytes(data)
|
|
}
|
|
|
|
func (t TokenMap) LoadBytes(data []byte) error {
|
|
bytesReader := bytes.NewReader(data)
|
|
bufioReader := bufio.NewReader(bytesReader)
|
|
line, err := bufioReader.ReadString('\n')
|
|
for err == nil {
|
|
t.LoadLine(line)
|
|
line, err = bufioReader.ReadString('\n')
|
|
}
|
|
// if the err was EOF we still need to process the last value
|
|
if err == io.EOF {
|
|
t.LoadLine(line)
|
|
return nil
|
|
}
|
|
return err
|
|
}
|
|
|
|
func (t TokenMap) LoadLine(line string) {
|
|
// find the start of a comment, if any
|
|
startComment := strings.IndexAny(line, "#|")
|
|
if startComment >= 0 {
|
|
line = line[:startComment]
|
|
}
|
|
|
|
tokens := strings.Fields(line)
|
|
for _, token := range tokens {
|
|
t.AddToken(token)
|
|
}
|
|
}
|
|
|
|
func (t TokenMap) AddToken(token string) {
|
|
t[token] = true
|
|
}
|