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|
package main
import (
"bufio"
"fmt"
"os"
"sort"
"strings"
)
func main() {
text := `jour="3" article="banane" pepins="sans" categorie="fruit" article="banane" pepins="sans" categorie="fruit"
jour="5" article="pomme de terre" pepins="sans" categorie="légume" article="orange" pepins="avec" categorie="fruit"
jour="55" article="pomme de terre" pepins="sans" categorie="légume" article="orange" pepins="sans" categorie="fruit"
jour="6" article="orange" pepins="avec" categorie="fruit" article="courgette" pepins="sans" categorie="légume"
jour="7" article="orange" pepins="avec" categorie="fruit" article="banane" pepins="sans" categorie="fruit"
`
r := strings.NewReader(text)
sc := bufio.NewScanner(r)
type kv struct {
name string
value string
}
for sc.Scan() {
var n []kv
key := ""
value := ""
in_quote := false
in_escape := false
in_key := true
for _, r := range sc.Text() {
if !in_quote && r == '"' {
in_quote = true
continue
}
if in_quote && r == '\\' {
in_escape = true
continue
}
if in_quote && r == '"' {
if in_escape {
in_escape = false
} else {
in_quote = false
continue
}
}
if !in_quote && r == ' ' {
if key != "" {
n = append(n, kv{name: key, value: value})
}
key = ""
value = ""
in_key = true
continue
}
if in_key && r == '=' {
in_key = false
continue
}
if in_key {
key += string(r)
} else {
value += string(r)
}
}
if key != "" {
n = append(n, kv{name: key, value: value})
}
articles := map[string]map[string]string{}
keys := map[string]int{}
var article string
var jour string
var t int
for _, a := range n {
if a.name == "jour" {
jour = a.value
continue
}
if a.name == "article" {
article = a.value
}
keys[a.name] = t
t++
if _, ok := articles[article]; !ok {
articles[article] = map[string]string{}
}
articles[article][a.name] = a.value
}
var ukeys []string
for k := range keys {
ukeys = append(ukeys, k)
}
sort.Slice(ukeys, func(i, j int) bool {
return keys[ukeys[i]] < keys[ukeys[j]]
})
var res string
res = fmt.Sprintf("jour=%q", jour)
for _, key := range ukeys {
var val string
var prev string
var j int
for _, k := range articles {
if j < 1 {
val += k[key]
} else if prev != k[key] {
val += fmt.Sprintf(":[%v]", k[key])
}
prev = k[key]
j++
}
res += fmt.Sprintf(" %v=%q", key, val)
}
res = strings.TrimSpace(res)
fmt.Fprintf(os.Stdout, "%v\n", res)
}
} |
Envoyé par disedorgue
Répondre avec citation
j'arrive pas à le rentrer dans mon code 
)
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