57 lines
976 B
Go
57 lines
976 B
Go
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// +build !solution
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// +build !change
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package allocs
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import (
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"fmt"
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"io"
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"io/ioutil"
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"sort"
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"strings"
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)
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type Counter interface {
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Count(r io.Reader) error
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String() string
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}
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type BaselineCounter struct {
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counts map[string]int
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}
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func NewBaselineCounter() Counter {
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return BaselineCounter{counts: map[string]int{}}
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}
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func (c BaselineCounter) Count(r io.Reader) error {
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data, err := ioutil.ReadAll(r)
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if err != nil {
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return err
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}
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dataStr := string(data)
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for _, line := range strings.Split(dataStr, "\n") {
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for _, word := range strings.Split(line, " ") {
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c.counts[word]++
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}
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}
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return nil
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}
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func (c BaselineCounter) String() string {
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keys := make([]string, 0, 0)
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for word := range c.counts {
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keys = append(keys, word)
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}
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sort.Slice(keys, func(i, j int) bool {
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return keys[i] < keys[j]
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})
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result := ""
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for _, key := range keys {
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line := fmt.Sprintf("word '%s' has %d occurrences\n", key, c.counts[key])
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result += line
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}
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return result
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}
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