# Script to generate the necessary files for a msvscpp build
#
# Version: 20161110

$WinFlex = "..\win_flex_bison\win_flex.exe"
$WinBison = "..\win_flex_bison\win_bison.exe"

$Library = Get-Content -Path configure.ac | select -skip 3 -first 1 | % { $_ -Replace " \[","" } | % { $_ -Replace "\],","" }
$Version = Get-Content -Path configure.ac | select -skip 4 -first 1 | % { $_ -Replace " \[","" } | % { $_ -Replace "\],","" }
$Prefix = ${Library}.Substring(3)

Get-Content -Path "include\${Library}.h.in" > "include\${Library}.h"
Get-Content -Path "include\${Library}\definitions.h.in" | % { $_ -Replace "@VERSION@","${Version}" } > "include\${Library}\definitions.h"
Get-Content -Path "include\${Library}\features.h.in" | % { $_ -Replace "@[A-Z0-9_]*@","0" } > "include\${Library}\features.h"
Get-Content -Path "include\${Library}\types.h.in" | % { $_ -Replace "@[A-Z0-9_]*@","0" } > "include\${Library}\types.h"
Get-Content -Path "common\types.h.in" | % { $_ -Replace "@PACKAGE@","${Library}" } > "common\types.h"
Get-Content -Path "${Library}\${Library}_definitions.h.in" | % { $_ -Replace "@VERSION@","${Version}" } > "${Library}\${Library}_definitions.h"
Get-Content -Path "${Library}\${Library}.rc.in" | % { $_ -Replace "@VERSION@","${Version}" } > "${Library}\${Library}.rc"

If (Test-Path "${Prefix}.net")
{
	Get-Content -Path "${Prefix}.net\${Prefix}.net.rc.in" | % { $_ -Replace "@VERSION@","${Version}" } > "${Prefix}.net\${Prefix}.net.rc"
}

$NamePrefix = ""

ForEach (${DirectoryElement} in Get-ChildItem -Path "${Library}\*.l")
{
	$OutputFile = ${DirectoryElement} -Replace ".l$",".c"

	$NamePrefix = Split-Path -path ${DirectoryElement} -leaf
	$NamePrefix = ${NamePrefix} -Replace "^${Library}_",""
	$NamePrefix = ${NamePrefix} -Replace ".l$","_"

	# PowerShell will raise NativeCommandError if win_flex writes to stdout or stderr
	# therefore 2>&1 is added and the output is stored in a variable.
	$Output = Invoke-Expression -Command "& '${WinFlex}' -Cf ${DirectoryElement} 2>&1"
	Write-Host ${Output}

	# Moving manually since win_flex -o <filename> does not provide the expected behavior.
	Move-Item "lex.yy.c" ${OutputFile} -force
}

ForEach (${DirectoryElement} in Get-ChildItem -Path "${Library}\*.y")
{
	$OutputFile = ${DirectoryElement} -Replace ".y$",".c"

	# PowerShell will raise NativeCommandError if win_bison writes to stdout or stderr
	# therefore 2>&1 is added and the output is stored in a variable.
	$Output = Invoke-Expression -Command "& '${WinBison}' -d -v -l -p ${NamePrefix} -o ${OutputFile} ${DirectoryElement} 2>&1"
	Write-Host ${Output}
}