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JSON.au3
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JSON.au3
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#include-once
#include <String.au3>
; #FUNCTION# ======================================================================================
; Name ..........: _JSON_Get
; Description ...: query nested AutoIt-datastructure with a simple query string with syntax:
; DictionaryKey1.DictionaryKey2.[ArrayIndex1].DictionaryKey3...
; Syntax ........: _JSON_Get(ByRef $o_Object, Const $s_Pattern)
; Parameters ....: $o_Object - a nested AutoIt datastructure (Arrays, Dictionaries, basic scalar types)
; $s_Pattern - query pattern like described above
; Return values .: Success - Return the queried object out of the nested datastructure
; Failure - Return "" and set @error to:
; @error = 1 - pattern is not correct
; = 2 - keyname query to none dictionary object
; = 3 - keyname queried not exists in dictionary
; = 4 - index query on none array object
; = 5 - index out of array range
; Author ........: AspirinJunkie
; =================================================================================================
Func _JSON_Get(ByRef $o_Object, Const $s_Pattern)
Local $o_Current = $o_Object, $d_Val
Local $a_Tokens = StringRegExp($s_Pattern, '(?:(?<Key>\b[^\.\[\]]+\b\+?)|\[(?<Index>\d+)\])', 4)
If @error Then Return SetError(1, @error, "")
For $a_CurToken In $a_Tokens
If UBound($a_CurToken) = 2 Then ; KeyName
If Not IsObj($o_Current) Or ObjName($o_Current) <> "Dictionary" Then Return SetError(2, 0, "")
If Not $o_Current.Exists($a_CurToken[1]) Then Return SetError(3, 0, "")
$o_Current = $o_Current($a_CurToken[1])
ElseIf UBound($a_CurToken) = 3 Then ; ArrayIndex
If (Not IsArray($o_Current)) Or UBound($o_Current, 0) <> 1 Then Return SetError(4, UBound($o_Current, 0), "")
$d_Val = Int($a_CurToken[2])
If $d_Val < 0 Or $d_Val >= UBound($o_Current) Then Return SetError(5, $d_Val, "")
$o_Current = $o_Current[$d_Val]
EndIf
Next
Return $o_Current
EndFunc ;==>_JSON_Get
; #FUNCTION# ======================================================================================
; Name ..........: _JSON_Generate
; Description ...: convert a JSON-formatted string into a nested structure of AutoIt-datatypes
; Syntax ........: _JSON_Generate(ByRef $o_Object, $s_ObjIndent = @TAB, $s_ObjDelEl = @CRLF, $s_ObjDelKey = " ", $s_ObjDelVal = "", $s_ArrIndent = @TAB, $s_ArrDelEl = @CRLF, $i_Level = 0)
; Parameters ....: $s_String - a string formatted as JSON
; [$s_ObjIndent] - indent for object elements (only reasonable if $s_ObjDelEl contains a line skip
; [$s_ObjDelEl] - delimiter between object elements
; [$s_ObjDelKey] - delimiter between keyname and ":" in object
; [$s_ObjDelVal] - delimiter between ":" and value in object
; [$s_ArrIndent] - indent for array elements (only reasonable if $s_ArrDelEl contains a line skip)
; [$s_ArrDelEl] - delimiter between array elements
; [$i_Level] - search position where to start (normally don't touch!)
; Return values .: Success - Return a JSON formatted string
; Failure - Return ""
; Author ........: AspirinJunkie
; =================================================================================================
Func _JSON_Generate(ByRef $o_Object, $s_ObjIndent = @TAB, $s_ObjDelEl = @CRLF, $s_ObjDelKey = "", $s_ObjDelVal = " ", $s_ArrIndent = @TAB, $s_ArrDelEl = @CRLF, $i_Level = 0)
Local Static $s_JSON_String
If $i_Level = 0 Then $s_JSON_String = ""
Select
Case IsString($o_Object) ; String
__JSON_FormatString($o_Object)
$s_JSON_String &= '"' & $o_Object & '"'
Case IsNumber($o_Object) ; Number
$s_JSON_String &= String($o_Object)
;~ $s_JSON_String &= StringRegExpReplace(StringFormat("%g", $o_Object), '(-?(?>0|[1-9]\d*)(?>\.\d+)?)(?:([eE][-+]?)0*(\d+))?', "$1$2$3", 1)
Case IsBool($o_Object) ; True/False
$s_JSON_String &= StringLower($o_Object)
Case IsKeyword($o_Object) = 2 ; Null
$s_JSON_String &= "null"
Case IsBinary($o_Object)
$s_JSON_String &= '"' & _Base64Encode($o_Object) & '"'
Case IsArray($o_Object) And UBound($o_Object, 0) < 3 ; Array
If UBound($o_Object, 0) = 2 Then $o_Object = __Array2dToAinA($o_Object)
If UBound($o_Object) = 0 Then
$s_JSON_String &= "[]"
Else
$s_JSON_String &= "[" & $s_ArrDelEl
For $o_Value In $o_Object
$s_JSON_String &= _StringRepeat($s_ArrIndent, $i_Level + 1)
_JSON_Generate($o_Value, $s_ObjIndent, $s_ObjDelEl, $s_ObjDelKey, $s_ObjDelVal, $s_ArrIndent, $s_ArrDelEl, $i_Level + 1)
$s_JSON_String &= "," & $s_ArrDelEl
Next
$s_JSON_String = StringTrimRight($s_JSON_String, StringLen("," & $s_ArrDelEl)) & $s_ArrDelEl & _StringRepeat($s_ArrIndent, $i_Level) & "]"
EndIf
Case IsObj($o_Object) And ObjName($o_Object) = "Dictionary" ; Object
Local $s_KeyTemp, $o_Value
If $o_Object.Count() = 0 Then
$s_JSON_String &= "{}"
Else
$s_JSON_String &= "{" & $s_ObjDelEl
For $s_Key In $o_Object.Keys
$s_KeyTemp = $s_Key
$o_Value = $o_Object($s_Key)
__JSON_FormatString($s_KeyTemp)
$s_JSON_String &= _StringRepeat($s_ObjIndent, $i_Level + 1) & '"' & $s_KeyTemp & '"' & $s_ObjDelKey & ':' & $s_ObjDelVal
_JSON_Generate($o_Value, $s_ObjIndent, $s_ObjDelEl, $s_ObjDelKey, $s_ObjDelVal, $s_ArrIndent, $s_ArrDelEl, $i_Level + 1)
$s_JSON_String &= "," & $s_ObjDelEl
Next
$s_JSON_String = StringTrimRight($s_JSON_String, StringLen("," & $s_ObjDelEl)) & $s_ObjDelEl & _StringRepeat($s_ObjIndent, $i_Level) & "}"
EndIf
Case Else
EndSelect
If $i_Level = 0 Then
Local $s_Temp = $s_JSON_String
$s_JSON_String = ""
Return $s_Temp
EndIf
EndFunc ;==>_JSON_Generate
; #FUNCTION# ======================================================================================
; Name ..........: _JSON_Parse
; Description ...: convert a JSON-formatted string into a nested structure of AutoIt-datatypes
; Syntax ........: _JSON_Parse(ByRef $s_String, $i_Os = 1)
; Parameters ....: $s_String - a string formatted as JSON
; [$i_Os] - search position where to start (normally don't touch!)
; Return values .: Success - Return a nested structure of AutoIt-datatypes
; @extended = next string offset
; Failure - Return "" and set @error to:
; @error = 1 - part is not json-syntax
; = 2 - key name in object part is not json-syntax
; = 3 - value in object is not correct json
; = 4 - delimiter or object end expected but not gained
; Author ........: AspirinJunkie
; =================================================================================================
Func _JSON_Parse(ByRef $s_String, $i_Os = 1)
Local $i_OsC = $i_Os, $o_Current
; Inside a character class, \R is treated as an unrecognized escape sequence, and so matches the letter "R" by default, but causes an error if
Local Static $s_RE_s = '[\x20\r\n\t]', _ ; = [\x20\x09\x0A\x0D]
$s_RE_G_String = '\G[\x20\r\n\t]*"((?>[^\\"]+|\\.)*)"', _ ; only for real valid JSON: "((?>[^\\"]+|\\[\\"bfnrtu\/])*)" second (a little slower) alternative: "((?>[^\\"]+|\\\\|\\.)*)"
$s_RE_G_Number = '\G[\x20\r\n\t]*(-?(?>0|[1-9]\d*)(?>\.\d+)?(?>[eE][-+]?\d+)?)', _
$s_RE_G_KeyWord = '\G[\x20\r\n\t]*\b(null|true|false)\b', _
$s_RE_G_Object_Begin = '\G[\x20\r\n\t]*\{', _
$s_RE_G_Object_Key = '\G[\x20\r\n\t]*"((?>[^\\"]+|\\.)+)"[\x20\r\n\t]*:', _
$s_RE_G_Object_Further = '\G[\x20\r\n\t]*,', _
$s_RE_G_Object_End = '\G[\x20\r\n\t]*\}', _
$s_RE_G_Array_Begin = '\G[\x20\r\n\t]*\[', _
$s_RE_G_Array_End = '\G[\x20\r\n\t]*\]'
$o_Current = StringRegExp($s_String, $s_RE_G_String, 1, $i_Os) ; String
If Not @error Then Return SetExtended(@extended, __JSON_ParseString($o_Current[0]))
StringRegExp($s_String, $s_RE_G_Object_Begin, 1, $i_Os) ; Object
If Not @error Then
$i_OsC = @extended
Local $s_Key, $o_Value, $a_T
$o_Current = ObjCreate("Scripting.Dictionary")
StringRegExp($s_String, $s_RE_G_Object_End, 1, $i_OsC) ; check for empty object
If Not @error Then ; empty object
$i_OsC = @extended
Else
Do
$a_T = StringRegExp($s_String, $s_RE_G_Object_Key, 1, $i_OsC) ; key of element
If @error Then Return SetError(2, $i_OsC, "")
$i_OsC = @extended
$s_Key = __JSON_ParseString($a_T[0])
$o_Value = _JSON_Parse($s_String, $i_OsC)
If @error Then Return SetError(3, $i_OsC, "")
$i_OsC = @extended
$o_Current($s_Key) = $o_Value ; add key:value to dictionary
StringRegExp($s_String, $s_RE_G_Object_Further, 1, $i_OsC) ; more elements
If Not @error Then
$i_OsC = @extended
ContinueLoop
Else
StringRegExp($s_String, $s_RE_G_Object_End, 1, $i_OsC) ; end of array
If Not @error Then
$i_OsC = @extended
ExitLoop
Else
Return SetError(4, $i_OsC, "")
EndIf
EndIf
Until False
EndIf
Return SetExtended($i_OsC, $o_Current)
EndIf
StringRegExp($s_String, $s_RE_G_Array_Begin, 1, $i_Os) ; Array
If Not @error Then
$i_OsC = @extended
Local $o_Current[1], $d_N = 1, $i_C = 0
StringRegExp($s_String, $s_RE_G_Array_End, 1, $i_OsC) ; check for empty array
If Not @error Then ; empty array
ReDim $o_Current[0]
$i_OsC = @extended
Return SetExtended($i_OsC, $o_Current)
EndIf
Do
$o_Value = _JSON_Parse($s_String, $i_OsC)
If @error Then Return SetError(3, $i_OsC, "")
$i_OsC = @extended
If $i_C = $d_N - 1 Then
$d_N *= 2
ReDim $o_Current[$d_N]
EndIf
$o_Current[$i_C] = $o_Value
$i_C += 1
StringRegExp($s_String, $s_RE_G_Object_Further, 1, $i_OsC) ; more elements
If Not @error Then
$i_OsC = @extended
ContinueLoop
Else
StringRegExp($s_String, $s_RE_G_Array_End, 1, $i_OsC) ; end of array
If Not @error Then
$i_OsC = @extended
ExitLoop
Else
Return SetError(5, $i_OsC, "")
EndIf
EndIf
Until False
If UBound($o_Current) <> $i_C Then ReDim $o_Current[$i_C]
Return SetExtended($i_OsC, $o_Current)
EndIf
$o_Current = StringRegExp($s_String, $s_RE_G_Number, 1, $i_Os) ; Number
If Not @error Then Return SetExtended(@extended, Number($o_Current[0], 0))
$o_Current = StringRegExp($s_String, $s_RE_G_KeyWord, 1, $i_Os) ; KeyWord
If Not @error Then Return SetExtended(@extended, Execute($o_Current[0])) ; $o_Current[0] = "null" ? Null : $o_Current[0] = "true" ? True : False)
Return SetError(1, $i_OsC, "")
EndFunc ;==>_JSON_Parse
; helper function for converting a json formatted string into an AutoIt-string
Func __JSON_ParseString(ByRef $s_String)
Local $aB[5]
Local $a_RE = StringRegExp($s_String, '\\\\(*SKIP)(?!)|(\\["bf/]|\\u\d{4})', 3)
If Not @error Then
For $s_Esc In $a_RE
Switch StringMid($s_Esc, 2, 1)
Case "b"
If $aB[0] Then ContinueLoop
$s_String = StringRegExpReplace($s_String, '\\\\(*SKIP)(?!)|(\\b)', Chr(8))
$aB[0] = True
Case "f"
If $aB[1] Then ContinueLoop
$s_String = StringRegExpReplace($s_String, '\\\\(*SKIP)(?!)|(\\f)', Chr(12))
$aB[1] = True
Case "/"
If $aB[2] Then ContinueLoop
$s_String = StringRegExpReplace($s_String, '\\\\(*SKIP)(?!)|(\\\/)', "/")
$aB[2] = True
Case '"'
If $aB[3] Then ContinueLoop
$s_String = StringRegExpReplace($s_String, '\\\\(*SKIP)(?!)|(\\")', '"')
$aB[3] = True
Case "u"
If $aB[4] Then ContinueLoop
Local $a_RE = StringRegExp($s_String, '\\\\(*SKIP)(?!)|\\u\K\d{4}', 3)
If Not @error Then
For $s_Code In $a_RE
$s_String = StringReplace($s_String, "\u" & $s_Code, ChrW(Int($s_Code)), 0, 1)
Next
$aB[4] = True
EndIf
EndSwitch
Next
EndIf
$s_String = StringFormat(StringReplace($s_String, "%", "%%", 0, 1))
Return $s_String
EndFunc ;==>__JSON_ParseString
; helper function for converting a AutoIt-sting into a json formatted string
Func __JSON_FormatString(ByRef $s_String)
$s_String = StringReplace($s_String, '\', '\\', 0, 1)
$s_String = StringReplace($s_String, Chr(8), "\b", 0, 1)
$s_String = StringReplace($s_String, Chr(12), "\f", 0, 1)
$s_String = StringReplace($s_String, @CRLF, "\n", 0, 1)
$s_String = StringReplace($s_String, @CR, "\r", 0, 1)
$s_String = StringReplace($s_String, '"', '\"', 0, 1)
EndFunc ;==>__JSON_FormatString
; #FUNCTION# ======================================================================================
; Name ..........: __Array2dToAinA()
; Description ...: Convert a 2D array into a Arrays in Array
; Syntax ........: _Array2dToAinA(ByRef $A)
; Parameters ....: $A - the 2D-Array which should be converted
; Return values .: Success: a Arrays in Array build from the input array
; Failure: False
; @error = 1: $A is'nt an 2D array
; Author ........: AspirinJunkie
; =================================================================================================
Func __Array2dToAinA(ByRef $A)
If UBound($A, 0) <> 2 Then Return SetError(1, UBound($A, 0), False)
Local $N = UBound($A), $u = UBound($A, 2)
Local $a_Ret[$N]
For $i = 0 To $N - 1
Local $t[$u]
For $j = 0 To $u - 1
$t[$j] = $A[$i][$j]
Next
$a_Ret[$i] = $t
Next
Return $a_Ret
EndFunc ;==>__Array2dToAinA
; #FUNCTION# ======================================================================================
; Name ..........: __ArrayAinATo2d()
; Description ...: Convert a Arrays in Array into a 2D array
; Syntax ........: __ArrayAinATo2d(ByRef $A)
; Parameters ....: $A - the arrays in array which should be converted
; Return values .: Success: a 2D Array build from the input array
; Failure: False
; @error = 1: $A is'nt an 1D array
; = 2: $A is empty
; = 3: first element isn't a array
; Author ........: AspirinJunkie
; =================================================================================================
Func __ArrayAinATo2d(ByRef $A)
If UBound($A, 0) <> 1 Then Return SetError(1, UBound($A, 0), False)
Local $N = UBound($A)
If $N < 1 Then Return SetError(2, $N, False)
Local $u = UBound($A[0])
If $u < 1 Then Return SetError(3, $u, False)
Local $a_Ret[$N][$u]
For $i = 0 To $N - 1
Local $t = $A[$i]
If UBound($t) > $u Then ReDim $a_Ret[$N][UBound($t)]
For $j = 0 To UBound($t) - 1
$a_Ret[$i][$j] = $t[$j]
Next
Next
Return $a_Ret
EndFunc ;==>__ArrayAinATo2d