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This commit is contained in:
Dave Schmenk 2019-12-13 13:30:54 -08:00
parent 18102a319a
commit f67e58011a
1 changed files with 68 additions and 24 deletions
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92
src/toolsrc/ed.pla
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@ -196,16 +196,32 @@ def strpoolalloc(size)
puts("OUT OF MEMORY!")
return 0
end
def strstripcpy(dststr, srcstr)#0
def striplead(strptr, chr)#0
byte striplen
for striplen = 1 to ^strptr
if ^(strptr + striplen) <> chr
break
fin
next
if striplen > 1
^strptr = ^strptr - (striplen - 1)
memcpy(strptr + 1, strptr + striplen, ^strptr)
fin
end
def striptail(strptr, chr)#0
byte strlen
strlen = ^srcstr
while ^(srcstr + strlen) == $8D or ^(srcstr + strlen) == $A0
strlen--
loop
^dststr = strlen
memcpy(dststr + 1, srcstr + 1, strlen)
for strlen = ^strptr downto 1
if ^(strptr + strlen) <> $8D and ^(strptr + strlen) <> chr
break
fin
next
^strptr = strlen
end
def strstripcpy(dststr, srcstr)#0
memcpy(dststr, srcstr, ^srcstr + 1)
striptail(dststr, $80 | ' ')
end
def delstr(strptr)#0
byte mask, ofst
@ -799,13 +815,17 @@ def pasteline#0
fin
end
def joinline#0
byte joinstr[80], joinlen
byte joinstr[80], joinlen, stripjoin[80]
if cursrow < numlines - 1
strstripcpy(@joinstr, strlinbuf=>[cursrow])
joinlen = joinstr + ^(strlinbuf=>[cursrow + 1])
joinstr++
joinstr[joinstr] = $80 | ' ' // add trailing space
memcpy(@stripjoin, strlinbuf=>[cursrow + 1], ^(strlinbuf=>[cursrow + 1]) + 1)
striplead(@stripjoin, $80 | ' ');
joinlen = joinstr + stripjoin
if joinlen < 80
memcpy(@joinstr + joinstr + 1, strlinbuf=>[cursrow + 1] + 1, ^(strlinbuf=>[cursrow + 1]))
memcpy(@joinstr + joinstr + 1, @stripjoin + 1, stripjoin)
joinstr = joinlen
delstr(strlinbuf=>[cursrow])
strlinbuf=>[cursrow] = newstr(@joinstr)
@ -820,27 +840,57 @@ def joinline#0
fin
end
def splitline#0
byte splitstr[80], splitlen
byte splitstr[80], splitlen, i
if openline(cursrow + 1)
if curscol
splitlen = ^(strlinbuf=>[cursrow])
if curscol < splitlen - 1
memcpy(@splitstr + 1, strlinbuf=>[cursrow] + curscol + 1, splitlen - curscol)
splitstr = splitlen - curscol
memcpy(@splitstr + 1, strlinbuf=>[cursrow] + curscol + 1, splitstr)
striplead(@splitstr, $80 | ' ')
for i = 1 to curscol - 1
if ^(strlinbuf=>[cursrow] + i) <> $80 | ' '
break
fin
memcpy(@splitstr + 2, @splitstr + 1, splitstr)
splitstr[1] = $80 | ' '
splitstr++
next
strlinbuf=>[cursrow + 1] = newstr(@splitstr)
memcpy(@splitstr + 1, strlinbuf=>[cursrow] + 1, curscol)
splitstr = curscol
memcpy(@splitstr + 1, strlinbuf=>[cursrow] + 1, splitstr)
delstr(strlinbuf=>[cursrow])
strlinbuf=>[cursrow] = newstr(@splitstr)
curscol = i - 1
if curscol > 39
cursx = curscol - 39
scrnleft = 39
else
cursx = curscol
scrnleft = 0
fin
else
if splitlen > 0
for curscol = 1 to splitlen - 1
if ^(strlinbuf=>[cursrow] + curscol) <> $80 | ' '
break
fin
next
curscol--
if curscol > 39
cursx = curscol - 39
scrnleft = 39
else
cursx = curscol
scrnleft = 0
fin
fin
fin
else
else
strlinbuf=>[cursrow + 1] = strlinbuf=>[cursrow]
strlinbuf=>[cursrow] = @nullstr
fin
curscol = 0
cursx = 0
scrnleft = 0
redraw
cursdown
fin
@ -1089,12 +1139,6 @@ def prfiles(optpath)
putln
return 0
end
def striplead(strptr, chr)#0
while ^strptr and ^(strptr + 1) == chr
memcpy(strptr + 1, strptr + 2, ^strptr)
^strptr--
loop
end
def parsecmd(strptr)
byte cmd