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Convert-DataToXml.ps1
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Convert-DataToXml.ps1
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function Convert-DataToXml {
[CmdletBinding()]
param(
[Parameter(Mandatory = $false)]
$data = $(Throw ((Get-ResStr 'PARAM_MANDATORY_MISSED') -f 'data', $myInvocation.Mycommand))
,
[Parameter(Mandatory = $false)]
[switch]$metadata
,
[Parameter(Mandatory = $false)]
[ValidateScript({ Test-ValidateStringCase $_ })]
[string]$strCase = 'none'
,
[Parameter(Mandatory = $false)]
[string]$root = 'Root'
,
[Parameter(Mandatory = $false)]
[string]$arrRoot = 'Records'
,
[Parameter(Mandatory = $false)]
[string]$arrSubRoot = 'Record'
)
function Convert-DataToXmlInner {
[CmdletBinding()]
param(
[Parameter(Mandatory = $false)]
$data = $(Throw ((Get-ResStr 'PARAM_MANDATORY_MISSED') -f 'data', $myInvocation.Mycommand))
,
[Parameter(Mandatory = $false)]
[switch]$metadata
,
[Parameter(Mandatory = $false)]
[ValidateScript({ Test-ValidateStringCase $_ })]
[string]$strCase = 'none'
,
[Parameter(Mandatory = $false)]
[string]$root = 'Root'
,
[Parameter(Mandatory = $false)]
[string]$arrRoot = 'Records'
,
[Parameter(Mandatory = $false)]
[string]$arrSubRoot = 'Record'
,
[Parameter(Mandatory = $false)]
$writer
,
[Parameter(Mandatory = $false)]
[int]$level
)
begin {
Write-Verbose -Message ((Get-ResStr 'STARTING_FUNCTION') -f $myInvocation.Mycommand)
New-Variable -Name 'encoding' -Scope 'Private' -Value ([System.Text.Encoding]::UTF8)
New-Variable -Name 'i' -Scope 'Private' -Value (0)
New-Variable -Name 'key' -Scope 'Private' -Value ('')
New-Variable -Name 'nodeName' -Scope 'Private' -Value ('')
New-Variable -Name 'on' -Scope 'Private' -Value ($false)
New-Variable -Name 'reader' -Scope 'Private' -Value ($null)
New-Variable -Name 'settings' -Scope 'Private' -Value ($null)
New-Variable -Name 'spaces' -Scope 'Private' -Value ('')
New-Variable -Name 'stream' -Scope 'Private' -Value ($null)
New-Variable -Name 'strValue' -Scope 'Private' -Value ('')
New-Variable -Name 'value' -Scope 'Private' -Value ($null)
New-Variable -Name 'xmlString' -Scope 'Private' -Value ('')
New-Variable -Name 'result' -Scope 'Private' -Value ($null)
$initialVariables = Get-CurrentVariables -Debug:$DebugPreference
}
process {
if ($DebugPreference -eq "Continue") {
$on = $true
} else {
$on = $false
}
$root = Convert-StringCase -value $root -strCase $strCase
if ($level -eq 0) {
if ($on) { Write-Host "BEGIN: $root (:$level)" -ForegroundColor Cyan }
# On level=0 it is a good way to initialize the xmlWriter
$encoding = [System.Text.Encoding]::UTF8
$settings = New-Object System.Xml.XmlWriterSettings
$settings.Indent = $true
$settings.IndentChars = " "
$settings.Encoding = $encoding
$stream = New-Object System.IO.MemoryStream
$writer = [System.XML.XmlWriter]::Create($stream, $settings)
# Start with the root node
$writer.WriteStartDocument()
$writer.WriteStartElement($root)
if ($metadata) {
$writer = Write-XmlMetadata -writer $writer -strCase $strCase
}
}
if (($data -is [System.Collections.ArrayList]) -or ($data -is [System.Object[]])) {
$nodeName = (Convert-StringCase -value ($arrRoot) -strCase $strCase)
$writer.WriteStartElement($nodeName)
if ($on) { Write-Host "ROOT.Array(max$($data.count)): $nodeName (:$level)" -ForegroundColor Red }
for ($i=0; $i -lt $data.count; $i++) {
$nodeName = (Convert-StringCase -value $arrSubRoot -strCase $strCase)
$writer.WriteStartElement($nodeName)
if ($on) { Write-Host "ROOT.Array($i): $nodeName (:$level)" -ForegroundColor Red }
# $nodeName = (Convert-StringCase -value ($root+$plural) -strCase $strCase)
if ($data[$i] -is [System.Collections.Specialized.OrderedDictionary]) {
if ($on) { Write-Host "hash(max$($data[$i].count)): $nodeName (:$level+1)" -ForegroundColor blue }
}
Convert-DataToXmlInner -data $data[$i] -root $nodeName -level ($level+1) -writer $writer -strCase $strCase -arrRoot $arrRoot -arrSubRoot $arrSubRoot
$writer.WriteEndElement()
}
$writer.WriteEndElement()
} elseif ($data) {
foreach ($key in $data.Keys) {
$value = $data[$key]
if (($value -is [System.Collections.ArrayList]) -or ($value -is [System.Object[]])) {
$nodeName = (Convert-StringCase -value ($key) -strCase $strCase)
$writer.WriteStartElement($nodeName)
if ($on) { Write-Host "array(max$($value.count)): $nodeName (:$level)" -ForegroundColor Red }
for ($i=0; $i -lt $value.count; $i++) {
$nodeName = (Convert-StringCase -value $arrSubRoot -strCase $strCase)
$writer.WriteStartElement($nodeName)
if ($on) { Write-Host "array($i): $nodeName (:$level)" -ForegroundColor Red }
# $nodeName = (Convert-StringCase -value ($key+$plural) -strCase $strCase)
if ($value[$i] -is [System.Collections.Specialized.OrderedDictionary]) {
if ($on) { Write-Host "hash(max$($value[$i].count)): $nodeName (:$level+1)" -ForegroundColor blue }
}
Convert-DataToXmlInner -data $value[$i] -root $nodeName -level ($level+1) -writer $writer -strCase $strCase -arrRoot $arrRoot -arrSubRoot $arrSubRoot
$writer.WriteEndElement()
}
$writer.WriteEndElement()
} elseif ($value -is [System.Collections.Hashtable]) {
$nodeName = (Convert-StringCase -value ($key) -strCase $strCase)
$writer.WriteStartElement($nodeName)
if ($on) { Write-Host "hash(max$($value.count)): $nodeName (:$level)" -ForegroundColor blue }
$nodeName = (Convert-StringCase -value ($key) -strCase $strCase)
Convert-DataToXmlInner -data $value -root $nodeName -level ($level+1) -writer $writer -strCase $strCase -arrRoot $arrRoot -arrSubRoot $arrSubRoot
$writer.WriteEndElement()
} elseif ($value -is [System.Collections.Specialized.OrderedDictionary]) {
$nodeName = (Convert-StringCase -value ($key) -strCase $strCase)
$writer.WriteStartElement($nodeName)
Convert-DataToXmlInner -data $value -root $nodeName -level ($level+1) -writer $writer -strCase $strCase -arrRoot $arrRoot -arrSubRoot $arrSubRoot
$writer.WriteEndElement()
} else { # hash values comes here like: System.Collections.Specialized.OrderedDictionary
# Here we have the xml node data
if ($null -eq $value) {
$strValue= ''
} else {
if ($value.GetType().Name -eq 'DateTime') {
$strValue = Convert-DateToIso -value $value -noTimeZone
} else {
$strValue = [string]$value
}
}
$nodeName = (Convert-StringCase -value ($key) -strCase $strCase)
$writer.WriteElementString($nodeName,$strValue)
$spaces = Get-Spaces -count ($level * 4)
if ($on) { Write-Host "$($spaces)$($nodeName) = '$strValue' (:$level)" -ForegroundColor Green }
}
}
} else {
# No data found
$writer.WriteStartElement($arrRoot)
$writer.WriteEndElement()
}
# If the level is '0' when the function results exits,
# all recursions are done and the XmlWriter can be closed.
if ($level -eq 0) {
if ($on) { Write-Host "END: $root (:$level)" -ForegroundColor Cyan }
$writer.WriteEndElement()
$writer.WriteEndDocument()
$writer.Flush()
$writer.Close()
# Transfer the content of the memory stream to
# a string and then to a standard XML object
$stream.Position = 0
$reader = New-Object System.IO.StreamReader($stream)
$xmlString = $reader.ReadToEnd()
[xml]$result = $xmlString
}
}
end {
Get-CurrentVariables -InitialVariables $initialVariables -Debug:$DebugPreference
if ($level -eq 0) { Return $result }
}
}
$result = Convert-DataToXmlInner -data $data -metadata:$metadata -strCase $strCase -root $root -arrRoot $arrRoot -arrSubRoot $arrSubRoot -Debug:$DebugPreference
Return $result
# Test: (Convert-DataToXml -data @([ordered]@{'Field1'='Value1';'Field2'='Value2'}, [ordered]@{'Field3'='Value3';'Field4'='Value4'})).OuterXml
}