blob: b5789d3235ba0b6fac070def4b22ebb628bcd30a (
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* copyright(c) 2005 kuwata-lab all rights reserved.
*/
package kwalify;
import java.util.Map;
import java.util.HashMap;
import java.util.IdentityHashMap;
import java.util.List;
import java.util.Iterator;
/**
* yaml parser which can keep line number of path.
*/
public class YamlParser extends PlainYamlParser {
private Map linenumsTable = new IdentityHashMap(); // object => sequence or mapping
private int firstLinenum = -1;
private Object document = null;
YamlParser(String yamlStr) {
super(yamlStr);
}
public Object parse() throws SyntaxException {
document = super.parse();
return document;
}
protected String getLine() {
String line = super.getLine();
if (firstLinenum < 0) {
firstLinenum = currentLineNumber();
}
return line;
}
private int getPathLineNumber(String ypath) throws InvalidPathException {
if (document == null) {
return -1;
}
if (ypath.length() == 0 || "/".equals(ypath)) {
return 1;
}
String[] elems = ypath.split("/");
String lastElem = elems.length > 0 ? elems[elems.length - 1] : null;
int i = ypath.charAt(0) == '/' ? 1 : 0;
int len = elems.length - 1;
Object documentCollection = this.document; // collection
for ( ; i < len ; i++) {
if (documentCollection == null) {
throw new InvalidPathException(ypath);
} else if (documentCollection instanceof Map) {
documentCollection = ((Map)documentCollection).get(elems[i]);
} else if (documentCollection instanceof List) {
int index = Integer.parseInt(elems[i]);
if (index < 0 || ((List)documentCollection).size() < index) {
throw new InvalidPathException(ypath);
}
documentCollection = ((List)documentCollection).get(index);
} else {
throw new InvalidPathException(ypath);
}
}
if (documentCollection == null) {
throw new InvalidPathException(ypath);
}
Object linenums = linenumsTable.get(documentCollection); // Map or List
int linenum;
if (documentCollection instanceof Map) {
assert linenums instanceof Map;
Object d = ((Map)linenums).get(lastElem);
linenum = (Integer) d;
} else if (documentCollection instanceof List) {
assert linenums instanceof List;
int index = Integer.parseInt(lastElem);
if (index < 0 || ((List)linenums).size() <= index) {
throw new InvalidPathException(ypath);
}
Object d = ((List)linenums).get(index);
linenum = (Integer) d;
} else {
throw new InvalidPathException(ypath);
}
return linenum;
}
public void setErrorsLineNumber(List errors) throws InvalidPathException {
for (Iterator it = errors.iterator(); it.hasNext(); ) {
ValidationException ex = (ValidationException)it.next();
ex.setLineNumber(getPathLineNumber(ex.getPath()));
}
}
protected Map createMapping() {
Map map = super.createMapping();
linenumsTable.put(map, new HashMap());
return map;
}
}
|
