blob: 35ddf5c90cc71042067d0e475fd315e3c1436347 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
package main
import (
"bufio"
"bytes"
"encoding/xml"
"fmt"
"io"
"os"
)
func process(r *bufio.Reader) {
var (
intitle bool
inarticlemeta bool
buffer bytes.Buffer
)
dec := xml.NewDecoder(r)
for {
token, err := dec.Token()
if err == io.EOF {
break
}
if err != nil {
fmt.Fprintf(os.Stderr, "Error when decoding XML file %q\n", err)
os.Exit(1)
}
switch t := token.(type) {
case xml.StartElement:
if t.Name.Local == "article-meta" {
inarticlemeta = true
continue
}
if t.Name.Local == "article-title" && inarticlemeta {
intitle = true
}
case xml.CharData:
if !intitle || !inarticlemeta {
continue
}
buffer.Write(t)
case xml.EndElement:
if t.Name.Local == "article-meta" {
inarticlemeta = false
continue
}
if t.Name.Local == "article-title" && inarticlemeta {
intitle = false
fmt.Printf("article-title: %s\n", buffer.String())
buffer.Reset()
}
}
}
}
func main() {
for _, arg := range os.Args[1:] {
file, err := os.Open(arg)
if err != nil {
fmt.Fprintf(os.Stderr, "Error when opening file %q\n", arg)
os.Exit(1)
}
r := bufio.NewReader(file)
process(r)
file.Close()
}
}
|
