forked from ScoopInstaller/Scoop
-
Notifications
You must be signed in to change notification settings - Fork 0
/
json.ps1
159 lines (132 loc) · 4.62 KB
/
json.ps1
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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
# Convert objects to pretty json
# Only needed until PowerShell ConvertTo-Json will be improved https://github.com/PowerShell/PowerShell/issues/2736
Function ConvertToPrettyJson {
[cmdletbinding()]
Param (
[parameter(Mandatory, ValueFromPipeline)]
$data
)
Process {
$data = normalize_values $data
# convert to string
[String]$json = $data | ConvertTo-Json -Depth 8 -Compress
[String]$output = ""
# state
[String]$buffer = ""
[Int]$depth = 0
[Bool]$inString = $false
# configuration
[String]$indent = " " * 4
[Bool]$unescapeString = $true
[String]$eol = "`r`n"
for ($i = 0; $i -lt $json.Length; $i++) {
# read current char
$buffer = $json.Substring($i, 1)
#
$objectStart = !$inString -and $buffer.Equals("{")
$objectEnd = !$inString -and $buffer.Equals("}")
$arrayStart = !$inString -and $buffer.Equals("[")
$arrayEnd = !$inString -and $buffer.Equals("]")
$colon = !$inString -and $buffer.Equals(":")
$comma = !$inString -and $buffer.Equals(",")
$quote = $buffer.Equals('"')
$escape = $buffer.Equals('\')
if ($quote) {
$inString = !$inString
}
# skip escape sequences
if ($escape) {
$buffer = $json.Substring($i, 2)
++$i
# Unescape unicode
if ($inString -and $unescapeString) {
if ($buffer.Equals('\n')) {
$buffer = "`n"
} elseif ($buffer.Equals('\r')) {
$buffer = "`r"
} elseif ($buffer.Equals('\t')) {
$buffer = "`t"
} elseif ($buffer.Equals('\u')) {
$buffer = [regex]::Unescape($json.Substring($i - 1, 6))
$i += 4
}
}
$output += $buffer
continue
}
# indent / outdent
if ($objectStart -or $arrayStart) {
++$depth
} elseif ($objectEnd -or $arrayEnd) {
--$depth
$output += $eol + ($indent * $depth)
}
# add content
$output += $buffer
# add whitespace and newlines after the content
if ($colon) {
$output += " "
} elseif ($comma -or $arrayStart -or $objectStart) {
$output += $eol
$output += $indent * $depth
}
}
$output
}
}
function json_path([String] $json, [String] $jsonpath, [String] $basename) {
Add-Type -Path "$psscriptroot\..\supporting\validator\bin\Newtonsoft.Json.dll"
$jsonpath = $jsonpath.Replace("`$basename", $basename)
$obj = [Newtonsoft.Json.Linq.JObject]::Parse($json)
$result = $null
try {
$result = $obj.SelectToken($jsonpath, $true)
} catch [System.Management.Automation.MethodInvocationException] {
write-host -f DarkRed $_
return $null
}
return $result.ToString()
}
function json_path_legacy([String] $json, [String] $jsonpath, [String] $basename) {
$result = $json | ConvertFrom-Json -ea stop
$isJsonPath = $jsonpath.StartsWith("`$")
$jsonpath.split(".") | ForEach-Object {
$el = $_
# substitute the base filename into the jsonpath
if($el.Contains("`$basename")) {
$el = $el.Replace("`$basename", $basename)
}
# skip $ if it's jsonpath format
if($el -eq "`$" -and $isJsonPath) {
return
}
# array detection
if($el -match "^(?<property>\w+)?\[(?<index>\d+)\]$") {
$property = $matches['property']
if($property) {
$result = $result.$property[$matches['index']]
} else {
$result = $result[$matches['index']]
}
return
}
$result = $result.$el
}
return $result
}
function normalize_values([psobject] $json) {
# Iterate Through Manifest Properties
$json.PSObject.Properties | ForEach-Object {
# Process String Values
if ($_.Value -is [string]) {
# Split on new lines
[array] $parts = ($_.Value -split '\r?\n').Trim()
# Replace with string array if result is multiple lines
if ($parts.Count -gt 1) {
$_.Value = $parts
}
}
# Process other values as needed...
}
return $json
}