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// Copyright 2017 The Hugo Authors. All rights reserved.
//
// 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 helpers
import (
"io"
"strconv"
"sync/atomic"
"github.com/olekukonko/tablewriter"
"github.com/olekukonko/tablewriter/renderer"
"github.com/olekukonko/tablewriter/tw"
)
// ProcessingStats represents statistics about a site build.
type ProcessingStats struct {
Name string
Pages uint64
PaginatorPages uint64
Static uint64
ProcessedImages uint64
Files uint64
Aliases uint64
Cleaned uint64
}
type processingStatsTitleVal struct {
name string
val uint64
}
func (s *ProcessingStats) toVals() []processingStatsTitleVal {
return []processingStatsTitleVal{
{"Pages", s.Pages},
{"Paginator pages", s.PaginatorPages},
{"Non-page files", s.Files},
{"Static files", s.Static},
{"Processed images", s.ProcessedImages},
{"Aliases", s.Aliases},
{"Cleaned", s.Cleaned},
}
}
// NewProcessingStats returns a new ProcessingStats instance.
func NewProcessingStats(name string) *ProcessingStats {
return &ProcessingStats{Name: name}
}
// Incr increments a given counter.
func (s *ProcessingStats) Incr(counter *uint64) {
atomic.AddUint64(counter, 1)
}
// Add adds an amount to a given counter.
func (s *ProcessingStats) Add(counter *uint64, amount int) {
atomic.AddUint64(counter, uint64(amount))
}
// ProcessingStatsTable writes a table-formatted representation of stats to w.
func ProcessingStatsTable(w io.Writer, stats ...*ProcessingStats) {
names := make([]string, len(stats)+1)
var data [][]string
for i := range stats {
stat := stats[i]
names[i+1] = stat.Name
titleVals := stat.toVals()
if i == 0 {
data = make([][]string, len(titleVals))
}
for j, tv := range titleVals {
if i == 0 {
data[j] = []string{tv.name, strconv.Itoa(int(tv.val))}
} else {
data[j] = append(data[j], strconv.Itoa(int(tv.val)))
}
}
}
table := tablewriter.NewTable(
w,
tablewriter.WithRenderer(renderer.NewBlueprint(tw.Rendition{
Borders: tw.BorderNone,
Symbols: tw.NewSymbols(tw.StyleLight),
Settings: tw.Settings{
Separators: tw.Separators{BetweenRows: tw.Off},
Lines: tw.Lines{ShowFooterLine: tw.On},
},
})),
tablewriter.WithConfig(
tablewriter.Config{
MaxWidth: 70,
Row: tw.CellConfig{Alignment: tw.CellAlignment{Global: tw.AlignRight, PerColumn: []tw.Align{tw.AlignLeft}}},
}),
)
table.Bulk(data)
table.Header(names)
table.Render()
}
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