Gold Fish 2/goldfish_vol2_cd1.bin/files/dev/lang/struct/exampleprograms/uout.struct

Text File | 1994-02-13 | 10.3 KB | 378 lines

~ Uuencode Out
~ Version 1.0 by Roland Acton - November 1993
~ Internet address: [e-mail]

~ Version 1.1 by Roland Acton - January 1994
~ Changes: The program now uses register variables and makes proper
~ procedure and library calls.

~ This program is public domain. You may use any part of it you wish
~ in a program of your own, provided that you credit me and send me
~ a copy of the program.

define procedure Reiko
define procedure word=GetMemory
define procedure GiveBackMemory
define procedure GetNextLine
define procedure ReadLine
define procedure WriteOutLine
set startup Reiko

open library exec
open library dos

constant uulinelength=62

global srcfilehandle:long,destfilehandle:long,linepointer:long
global inname:long,outname:long,uucodename:long,deletename1:long
global deletename2:long,lastfile:word,bufferstart:long
global buffercount:word,bufferpos:word
global stopwriting:word,disabledelete:word,kludge:long

string (returnchar) 10



procedure Reiko
local filenumber:word,temp:word,z:word,copystatus:word,x:byte,y:byte
local temppoint:long,kirishima:long,kloop:word,alldone:word
local allocfailed:word

string (info1) "Uuencoded file joiner",10
string (info2) "Version 1.1 by Roland Acton - January 1994",10,10
print info1
print info2
if commandlength>1
  proc call allocfailed=GetMemory
  if allocfailed=0
    lib call destfilehandle=open(outname,1006)
    if destfilehandle=0
      string (tempfileerror) "Couldn't open intermediate file "
      print tempfileerror
      print outname
      print returnchar
    else
      stopwriting=0
      disabledelete=0
      alldone=0
      lastfile=0
      filenumber=1
      repeat
        if lastfile=1
          string (lengtherror1) "Wrong-length line found in file "
          print lengtherror1
          print inname
          print returnchar
          disabledelete=1
        end if
        temp=filenumber/10*10
        byte poke inname+commandlength,temp/10+48
        byte poke inname+commandlength+1,filenumber-temp+48
        lib call srcfilehandle=open(inname,1005)
        if srcfilehandle=0
          exit
        end if
        libcall buffercount=read(srcfilehandle,bufferstart,8192)
        bufferpos=0
        for z=1;5
          proc call GetNextLine
        next
        data register copystatus,filenumber,kloop,x,y,z,temp
        address register kirishima,temppoint,linepointer
        regload
        copystatus=0
        loop ;;
          if copystatus=0
            if filenumber=1
              byte data (begincheck) "begin "
              load address kirishima=begincheck
              long peek temppoint=linepointer
              for temp=0;5
                byte peek x=kirishima+temp
                byte peek y=temppoint+temp
                if y<>x
                  exit
                end if
              next
              for kloop=22;28;2
                word peek z=linepointer+kloop
                if z<>uulinelength
                  exit
                end if
              next
              if temp=6 & kloop=30
                copystatus=1
                proc call WriteOutLine
              end if
            else
              for kloop=20;28;2
                word peek z=linepointer+kloop
                if z<>uulinelength
                  exit
                end if
              next
              if kloop=30
                byte data (sectionbegincheck) "BEGIN"
                load address kirishima=sectionbegincheck
                long peek temppoint=linepointer
                for temp=0;4
                  byte peek x=kirishima+temp
                  byte peek y=temppoint+temp
                  if y<>x
                    exit
                  end if
                next
                if temp<5
                  copystatus=1
                  proc call WriteOutLine
                end if
              end if
            end if
            for kloop=20;28;2
              word peek z=linepointer+kloop
              if z<>0
                exit
              end if
            next
            if kloop=30
              string (cannotmatch) ~
              "Insufficient uuencoded lines for positive match",10
              print cannotmatch
              disabledelete=1
              alldone=1
              exit
            end if
          else
            byte data (sectioncheck) "END"
            load address kirishima=sectioncheck
            long peek temppoint=linepointer
            for temp=0;2
              byte peek x=kirishima+temp
              byte peek y=temppoint+temp
              if y<>x
                exit
              end if
            next
            if temp=3
              exit
            end if
            word peek z=linepointer+20
            if z=uulinelength
              proc call WriteOutLine
            else
              if z<2
                exit
              end if
              lastfile=1
              proc call WriteOutLine
              byte data (endcheck) "end",10
              load address kirishima=endcheck
              long peek temppoint=linepointer
              for temp=0;3
                byte peek x=kirishima+temp
                byte peek y=temppoint+temp
                if y<>x
                  exit
                end if
              next
              if temp=4
                alldone=1
                exit
              end if
            end if
          end if
          proc call GetNextLine
        end loop
        lib call close(srcfilehandle)
        filenumber=filenumber+1
      until alldone=1
      lib call close(destfilehandle)
      if srcfilehandle=0
        string (error1) "Couldn't open "
        print error1
        print inname
        print returnchar
        lib call execute(deletename1,0,0)
        proc call GiveBackMemory
      else
        lib call execute(uucodename,0,0)
        lib call execute(deletename1,0,0)
        if disabledelete=0
          for z=1;filenumber-1
            temp=z/10*10
            byte poke deletename2+7+commandlength,temp/10+48
            byte poke deletename2+7+commandlength+1,z-temp+48
            lib call execute(deletename2,0,0)
          next
        end if
        proc call GiveBackMemory
      end if
    end if
  end if
else
  string (error2) "Error in command line",10
  string (error3) "Syntax: UOut <file-list-prefix>",10
  print error2
  print error3
end if
end procedure



procedure word=GetMemory
local z:byte,lpcount:word,annoy1:long,annoy2:long
local allocholder:long

lib call inname=allocmem(commandlength+3,0)
lib call outname=allocmem(commandlength+3,0)
lib call uucodename=allocmem(commandlength+12,0)
lib call deletename1=allocmem(commandlength+10,0)
lib call deletename2=allocmem(commandlength+10,0)
bytedata (deletedata) "delete "
load address annoy1=deletedata
for lpcount=0;6
  bytepeek z=annoy1+lpcount
  bytepoke deletename1+lpcount,z
  bytepoke deletename2+lpcount,z
next
bytedata (uucodedata) "uudecode "
load address annoy2=uucodedata
for lpcount=0;8
  bytepeek z=annoy2+lpcount
  bytepoke uucodename+lpcount,z
next
bytepoke outname,117
bytepoke outname+1,111
bytepoke outname+2,116
for lpcount=0;commandlength-2
  bytepeek z=commandpointer+lpcount
  bytepoke inname+lpcount,z
  bytepoke outname+3+lpcount,z
  bytepoke deletename2+7+lpcount,z
next
for lpcount=0;commandlength+1
  bytepeek z=outname+lpcount
  bytepoke uucodename+9+lpcount,z
  bytepoke deletename1+7+lpcount,z
next
bytepoke inname+commandlength-1,46
bytepoke deletename2+7+commandlength-1,46
bytepoke inname+commandlength+2,0
bytepoke outname+commandlength+2,0
bytepoke uucodename+9+commandlength+2,0
bytepoke deletename1+7+commandlength+2,0
bytepoke deletename2+7+commandlength+2,0
lib call linepointer=allocmem(30,0)
for lpcount=0;16;4
  lib call allocholder=allocmem(256,0)
  long poke linepointer+lpcount,allocholder
next

~ The memory allocations before this one are really too trivial to
~ check for failure.

lib call bufferstart=allocmem(8192,0)
string (nomemory) "Couldn't allocate 8k for file buffer",10
if bufferstart=0
  print nomemory
  getmemory=1
else
  getmemory=0
end if
end procedure



procedure GiveBackMemory
local lpcount:word,allocholder:long

lib call freemem(inname,commandlength+3)
lib call freemem(outname,commandlength+3)
lib call freemem(uucodename,commandlength+12)
lib call freemem(deletename1,commandlength+10)
lib call freemem(deletename2,commandlength+10)
for lpcount=0;16;4
  long peek allocholder=linepointer+lpcount
  lib call freemem(allocholder,256)
next
lib call freemem(linepointer,30)
lib call freemem(bufferstart,8192)
end procedure




procedure GetNextLine
local inpointer:long,coppoint:long,coplen:word,counter:word

data register counter,coppoint,coplen
address register linepointer
regload
long peek inpointer=linepointer
for counter=0;12;4
  long peek coppoint=linepointer+counter+4
  long poke linepointer+counter,coppoint
next
for counter=20;26;2
  word peek coplen=linepointer+counter+2
  word poke linepointer+counter,coplen
next
long poke linepointer+16,inpointer
proc call ReadLine
end procedure



procedure ReadLine
local linemem:long,length:word,z:byte

data register length,z,bufferpos,buffercount
address register linepointer,linemem,bufferstart
regload
long peek linemem=linepointer+16
length=0
if buffercount>0
  repeat
    bytepeek z=bufferstart+bufferpos
    bytepoke linemem+length,z
    bufferpos=bufferpos+1
    length=length+1
    if bufferpos=buffercount
      libcall buffercount=read(srcfilehandle,bufferstart,8192)
      bufferpos=0
    end if
  until z=10 | buffercount=0 | length=256
end if
word poke linepointer+28,length
end procedure



procedure WriteOutLine
local linetowrite:long,length:long

data register length
address register linetowrite
regload
long peek linetowrite=linepointer
word peek length=linepointer+20
byte poke linetowrite+length,0

~ The error most likely to occur during writing will be that the
~ disk is full. DOS will report this to the user via a pop-up
~ window, so we don't have to. Strictly speaking, the program should
~ terminate immediately when there's a write error. Doing this,
~ though, would complicate the program structure. It's much easier
~ to just not try to write to the disk anymore. This prevents the
~ "disk full" window from coming up over and over, and allows us to
~ use our normal termination code.

if stopwriting=0
  lib call length=write(destfilehandle,linetowrite,length)
  if length<0
    stopwriting=1
    disabledelete=1
  end if
end if
end procedure