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#!/usr/bin/env tclsh

#===============================================================================

#

#    file2c.tcl

#

#    Convert a file into a header that can be #included from C.

#

#===============================================================================

## ####ECOSGPLCOPYRIGHTBEGIN####                                            

## -------------------------------------------                              

## This file is part of eCos, the Embedded Configurable Operating System.   

## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.

##

## eCos is free software; you can redistribute it and/or modify it under    

## the terms of the GNU General Public License as published by the Free     

## Software Foundation; either version 2 or (at your option) any later      

## version.                                                                 

##

## eCos is distributed in the hope that it will be useful, but WITHOUT      

## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    

## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    

## for more details.                                                        

##

## You should have received a copy of the GNU General Public License        

## along with eCos; if not, write to the Free Software Foundation, Inc.,    

## 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            

##

## As a special exception, if other files instantiate templates or use      

## macros or inline functions from this file, or you compile this file      

## and link it with other works to produce a work based on this file,       

## this file does not by itself cause the resulting work to be covered by   

## the GNU General Public License. However the source code for this file    

## must still be made available in accordance with section (3) of the GNU   

## General Public License v2.                                               

##

## This exception does not invalidate any other reasons why a work based    

## on this file might be covered by the GNU General Public License.         

## -------------------------------------------                              

## ####ECOSGPLCOPYRIGHTEND####                                              

#===============================================================================

######DESCRIPTIONBEGIN####

#

# Author(s):    jlarmour,bartv

# Contact(s):   

# Date:         2001-07-20

# Purpose:      

# Description:

# Usage:        file2c.tcl <file to encode> <output C header file>

#

#####DESCRIPTIONEND####

#===============================================================================

if { $argc != 2 } {

    puts "Usage: file2c.tcl <file to encode> <output C header file>"

    exit 1

}

set infile [lindex $argv 0]

set outfile [lindex $argv 1]

set status [ catch {

    set infilefd [open $infile "r"]

    fconfigure $infilefd -translation binary

    set data [read $infilefd]

    close $infilefd

} message]

if { $status != 0 } {

    error "Unable to read file $infile: $message"

}

set result ""

set status [ catch {

    set outfilefd [ open $outfile "w" ]

} message ]

if { $status != 0 } {

    error "Unable to create file $outfile: $message"

}

append result "/* This is a generated file. Do not edit. */\n\n"

append result "static CYGBLD_ATTRIB_ALIGN(4) const unsigned char filedata\[\] = {\n"

set datalength [ string length $data ]

set aligned_datalength [expr $datalength - ($datalength % 8)]

for { set i 0 } {$i < $aligned_datalength} {incr i 8} {

    binary scan $data "@[set i]H16" var0

    append result [format "    0x%2s, 0x%2s, 0x%2s, 0x%2s, 0x%2s, 0x%2s, 0x%2s, 0x%2s,\n" \

            [string range $var0  0  1] \

            [string range $var0  2  3] \

            [string range $var0  4  5] \

            [string range $var0  6  7] \

            [string range $var0  8  9] \

            [string range $var0 10 11] \

            [string range $var0 12 13] \

            [string range $var0 14 15]]

}

if { $aligned_datalength != $datalength } {

    append result "    "

    for { set i $aligned_datalength } {$i < $datalength} {incr i} {

        binary scan $data "@[set i]H2" var0

        append result [format "0x%2s, " $var0]

    }

}

# Remove either comma+newline or comma+space from the end

set result [string range $result 0 [expr [string length $result] - 3]]

append result "\n};"

puts $outfilefd $result

close $outfilefd