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json.au3
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json.au3
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Func json_decode($sJson)
local $iIndex = 1
Return __json_decode($sJson, $iIndex)
EndFunc
Func __json_decode(ByRef $sJson, ByRef $iIndex)
While 1
Switch StringMid($sJson, $iIndex, 1)
Case '{'
Return __json_decode_object($sJson, $iIndex)
Case '['
Return __json_decode_array($sJson, $iIndex)
Case '"'
Return __json_decode_string($sJson, $iIndex)
Case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-'
Return __json_decode_number($sJson, $iIndex)
Case 't'
Return __json_decode_true($sJson, $iIndex)
Case 'f'
Return __json_decode_false($sJson, $iIndex)
Case 'n'
Return __json_decode_null($sJson, $iIndex)
Case ' ', @LF, @CR, @TAB
$iIndex += 1
Case ''
ContinueCase
Case Else
ConsoleWriteError(StringMid($sJson, $iIndex, 5)&@CRLF)
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
EndSwitch
WEnd
EndFunc
Func __json_decode_object(ByRef $sJson, ByRef $iIndex)
$iIndex += 1
Local $object[]
Local $key
While 1
Switch StringMid($sJson, $iIndex, 1)
Case '}'
$iIndex += 1
Return $object
Case '"'
$key = __json_decode_string($sJson, $iIndex)
Case ' ', @LF, @CR, @TAB
$iIndex += 1
ContinueLoop
Case ''
ContinueCase
Case Else
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
EndSwitch
While 1
Switch StringMid($sJson, $iIndex, 1)
Case ':'
$iIndex += 1
ExitLoop
Case ' ', @LF, @CR, @TAB
$iIndex += 1
Case ''
ContinueCase
Case Else
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
EndSwitch
WEnd
$object[$key] = __json_decode($sJson, $iIndex)
If @error <> 0 Then
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
EndIf
While 1
Switch StringMid($sJson, $iIndex, 1)
Case ','
$iIndex += 1
ExitLoop
Case ' ', @LF, @CR, @TAB
$iIndex += 1
Case '}'
$iIndex += 1
Return $object
Case ''
ContinueCase
Case Else
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
EndSwitch
WEnd
WEnd
EndFunc
Func __json_decode_string(ByRef $sJson, ByRef $iIndex)
$iIndex += 1
Local $string = ""
Local $c
While 1
$c = StringMid($sJson, $iIndex, 1)
$iIndex += 1
Switch $c
Case '"'
Return $string
Case '\'
$c = StringMid($sJson, $iIndex, 1)
$iIndex += 1
Switch $c
Case '"', '\', '/'
$string &= $c
Case 'b'
$string &= Chr(8)
Case 'f'
$string &= Chr(12)
Case 'n'
$string &= Chr(10)
Case 'r'
$string &= Chr(13)
Case 't'
$string &= Chr(9)
Case ''
ContinueCase
Case Else
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
EndSwitch
Case ''
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
Case Else
$string &= $c
EndSwitch
WEnd
EndFunc
Func __json_decode_array(ByRef $sJson, ByRef $iIndex)
$iIndex += 1
Local $array[100000] ;FIXME: change inital array size and support dynamic size
Local $i = 0
While 1
Switch StringMid($sJson, $iIndex, 1)
Case ']'
Redim $array[$i+1]
$iIndex += 1
Return $array
Case ' ', @LF, @CR, @TAB
$iIndex += 1
Case ''
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
Case Else
$array[$i] = __json_decode($sJson, $iIndex)
If @error <> 0 Then
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
EndIf
$i+=1
EndSwitch
While 1
Switch StringMid($sJson, $iIndex, 1)
Case ','
$iIndex += 1
ExitLoop
Case ' ', @LF, @CR, @TAB
$iIndex += 1
Case ']'
Redim $array[$i+1]
$iIndex += 1
Return $array
Case ''
ContinueCase
Case Else
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&StringMid($sJson, $iIndex, 1)&@CRLF)
Return SetError(1, 1, Null)
EndSwitch
WEnd
WEnd
EndFunc
Func __json_decode_number(ByRef $sJson, ByRef $iIndex)
;FIXME: implement in a better way
Local $number = ""
While 1
Switch StringMid($sJson, $iIndex, 1)
Case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '.', 'e', 'E', '-', '+'
$number &= StringMid($sJson, $iIndex, 1)
$iIndex += 1
Case ''
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
Case Else
$number = Execute($number)
If @error <> 0 Then
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
EndIf
Return $number
EndSwitch
WEnd
EndFunc
Func __json_decode_true(ByRef $sJson, ByRef $iIndex)
If Not (StringMid($sJson, $iIndex, 4) == "true") Then
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
EndIf
$iIndex += 4
Return True
EndFunc
Func __json_decode_false(ByRef $sJson, ByRef $iIndex)
If Not (StringMid($sJson, $iIndex, 5) == "false") Then
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
EndIf
$iIndex += 5
Return False
EndFunc
Func __json_decode_null(ByRef $sJson, ByRef $iIndex)
If Not (StringMid($sJson, $iIndex, 4) == "null") Then
ConsoleWriteError(@ScriptLineNumber&@TAB&$iIndex&@CRLF)
Return SetError(1, 1, Null)
EndIf
$iIndex += 4
Return Null
EndFunc
Func json_encode()
;
EndFunc
Func json_encode_pretty()
;
EndFunc