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
|
```
Path = AbsolutePath / RelativePath
AbsolutePath = Root S *AdditionalElements
Root = "$"
RelativePath = S NameOrWildcard S *AdditionalElements
NameOrWildcard = Name / Wildcard
S = *( WSP / CR / LF )
AdditionalElements = (("." / "..") NameOrWildcard) / Predicate
Predicate = "[" S Expr S "]"
Name = UnquotedName / SingleQuotedName / DoubleQuotedName
Expr = RelativePath / Slice / Union / Filter
Wildcard = "*"
Name = UnquotedName / SingleQuotedName / DoubleQuotedName
UnquotedName = UnquotedNameCharacter *AdditionalUnquotedNameCharacter
SingleQuotedName = "'" *SingleQuotedNameCharacter "'"
DoubleQuotedName = '"' *DoubleQuotedNameCharacter '"'
UnquotedNameCharacter = ? any unicode character except *, spaces, '.' and '[' ?
AdditionalUnquotedNameCharacter = ? any unicode character except spaces, '.' and '[' ?
SingleQuotedNameCharacter = ? any unicode character except an unescaped "'" (single quote) ?
DoubleQuotedNameCharacter = ? any unicode character except an unescaped '"' (double quote) ?
Slice = [ SignedInteger ] ":" [ SignedInteger ] [ ":" [ NonZeroSignedInteger ] ]
Filter = "?(" FilterExpr ")"
Union = RelativePathOrFilter / "," RelativePathOrFilter *("," RelativePathOrFilter)
RelativePathOrFilter = RelativePath / Filter
```
|
