diff options
Diffstat (limited to 'scripts/context/lua/mtxrun.lua')
-rw-r--r-- | scripts/context/lua/mtxrun.lua | 184 |
1 files changed, 117 insertions, 67 deletions
diff --git a/scripts/context/lua/mtxrun.lua b/scripts/context/lua/mtxrun.lua index f8ef74110..27c2e6cb0 100644 --- a/scripts/context/lua/mtxrun.lua +++ b/scripts/context/lua/mtxrun.lua @@ -15876,7 +15876,7 @@ do -- create closure to overcome 200 locals limit package.loaded["util-zip"] = package.loaded["util-zip"] or true --- original size: 23730, stripped down to: 14293 +-- original size: 32353, stripped down to: 16001 if not modules then modules={} end modules ['util-zip']={ version=1.001, @@ -15902,11 +15902,13 @@ end local files=utilities.files local openfile=files.open local closefile=files.close +local getsize=files.size local readstring=files.readstring local readcardinal2=files.readcardinal2le local readcardinal4=files.readcardinal4le local setposition=files.setposition local getposition=files.getposition +local skipbytes=files.skip local band=bit32.band local rshift=bit32.rshift local lshift=bit32.lshift @@ -15929,6 +15931,55 @@ local openzipfile,closezipfile,unzipfile,foundzipfile,getziphash,getziplist do handle=openfile(name,0), } end + local function update(handle,data) + position=data.offset + setposition(handle,position) + local signature=readstring(handle,4) + if signature=="PK\3\4" then + local version=readcardinal2(handle) + local flag=readcardinal2(handle) + local method=readcardinal2(handle) + skipbytes(handle,4) + local crc32=readcardinal4(handle) + local compressed=readcardinal4(handle) + local uncompressed=readcardinal4(handle) + local namelength=readcardinal2(handle) + local extralength=readcardinal2(handle) + local filename=readstring(handle,namelength) + local descriptor=band(flag,8)~=0 + local encrypted=band(flag,1)~=0 + local acceptable=method==0 or method==8 + local skipped=0 + local size=0 + if encrypted then + size=readcardinal2(handle) + skipbytes(handle,size) + skipped=skipped+size+2 + skipbytes(8) + skipped=skipped+8 + size=readcardinal2(handle) + skipbytes(handle,size) + skipped=skipped+size+2 + size=readcardinal4(handle) + skipbytes(handle,size) + skipped=skipped+size+4 + size=readcardinal2(handle) + skipbytes(handle,size) + skipped=skipped+size+2 + end + if acceptable then + if filename~=data.filename then + else + position=position+30+namelength+extralength+skipped + data.position=position + return position + end + else + end + end + data.position=false + return false + end local function collect(z) if not z.list then local list={} @@ -15936,72 +15987,68 @@ local openzipfile,closezipfile,unzipfile,foundzipfile,getziphash,getziplist do local position=0 local index=0 local handle=z.handle - while true do - setposition(handle,position) - local signature=readstring(handle,4) - if signature=="PK\3\4" then - local version=readcardinal2(handle) - local flag=readcardinal2(handle) - local method=readcardinal2(handle) - local filetime=readcardinal2(handle) - local filedate=readcardinal2(handle) - local crc32=readcardinal4(handle) - local compressed=readcardinal4(handle) - local uncompressed=readcardinal4(handle) - local namelength=readcardinal2(handle) - local extralength=readcardinal2(handle) - local filename=readstring(handle,namelength) - local descriptor=band(flag,8)~=0 - local encrypted=band(flag,1)~=0 - local acceptable=method==0 or method==8 - local skipped=0 - local size=0 - if encrypted then - size=readcardinal2(handle) - skipbytes(size) - skipped=skipped+size+2 - skipbytes(8) - skipped=skipped+8 - size=readcardinal2(handle) - skipbytes(size) - skipped=skipped+size+2 - size=readcardinal4(handle) - skipbytes(size) - skipped=skipped+size+4 - size=readcardinal2(handle) - skipbytes(size) - skipped=skipped+size+2 - end - position=position+30+namelength+extralength+skipped - if descriptor then - setposition(handle,position+compressed) - crc32=readcardinal4(handle) - compressed=readcardinal4(handle) - uncompressed=readcardinal4(handle) - end - if acceptable then - index=index+1 - local data={ - filename=filename, - index=index, - position=position, - method=method, - compressed=compressed, - uncompressed=uncompressed, - crc32=crc32, - encrypted=encrypted, - } - hash[filename]=data - list[index]=data - else + local size=getsize(handle) + for i=size-4,size-64*1024,-1 do + setposition(handle,i) + local enddirsignature=readcardinal4(handle) + if enddirsignature==0x06054B50 then + local thisdisknumber=readcardinal2(handle) + local centraldisknumber=readcardinal2(handle) + local thisnofentries=readcardinal2(handle) + local totalnofentries=readcardinal2(handle) + local centralsize=readcardinal4(handle) + local centraloffset=readcardinal4(handle) + local commentlength=readcardinal2(handle) + local comment=readstring(handle,length) + if size-i>=22 then + if thisdisknumber==centraldisknumber then + setposition(handle,centraloffset) + while true do + if readcardinal4(handle)==0x02014B50 then + skipbytes(handle,4) + local flag=readcardinal2(handle) + local method=readcardinal2(handle) + skipbytes(handle,4) + local crc32=readcardinal4(handle) + local compressed=readcardinal4(handle) + local uncompressed=readcardinal4(handle) + local namelength=readcardinal2(handle) + local extralength=readcardinal2(handle) + local commentlength=readcardinal2(handle) + skipbytes(handle,8) + local headeroffset=readcardinal4(handle) + local filename=readstring(handle,namelength) + skipbytes(handle,extralength+commentlength) + local descriptor=band(flag,8)~=0 + local encrypted=band(flag,1)~=0 + local acceptable=method==0 or method==8 + if acceptable then + index=index+1 + local data={ + filename=filename, + index=index, + position=nil, + method=method, + compressed=compressed, + uncompressed=uncompressed, + crc32=crc32, + encrypted=encrypted, + offset=headeroffset, + } + hash[filename]=data + list[index]=data + end + else + break + end + end + end + break end - position=position+compressed - else - break end - z.list=list - z.hash=hash end + z.list=list + z.hash=hash end end function getziplist(z) @@ -16040,7 +16087,10 @@ local openzipfile,closezipfile,unzipfile,foundzipfile,getziphash,getziplist do local handle=z.handle local position=data.position local compressed=data.compressed - if compressed>0 then + if position==nil then + position=update(handle,data) + end + if position and compressed>0 then setposition(handle,position) local result=readstring(handle,compressed) if data.method==8 then @@ -26138,8 +26188,8 @@ end -- of closure -- used libraries : l-bit32.lua l-lua.lua l-macro.lua l-sandbox.lua l-package.lua l-lpeg.lua l-function.lua l-string.lua l-table.lua l-io.lua l-number.lua l-set.lua l-os.lua l-file.lua l-gzip.lua l-md5.lua l-sha.lua l-url.lua l-dir.lua l-boolean.lua l-unicode.lua l-math.lua util-str.lua util-tab.lua util-fil.lua util-sac.lua util-sto.lua util-prs.lua util-fmt.lua util-soc-imp-reset.lua util-soc-imp-socket.lua util-soc-imp-copas.lua util-soc-imp-ltn12.lua util-soc-imp-mime.lua util-soc-imp-url.lua util-soc-imp-headers.lua util-soc-imp-tp.lua util-soc-imp-http.lua util-soc-imp-ftp.lua util-soc-imp-smtp.lua trac-set.lua trac-log.lua trac-inf.lua trac-pro.lua util-lua.lua util-deb.lua util-tpl.lua util-sbx.lua util-mrg.lua util-env.lua luat-env.lua util-zip.lua lxml-tab.lua lxml-lpt.lua lxml-mis.lua lxml-aux.lua lxml-xml.lua trac-xml.lua data-ini.lua data-exp.lua data-env.lua data-tmp.lua data-met.lua data-res.lua data-pre.lua data-inp.lua data-out.lua data-fil.lua data-con.lua data-use.lua data-zip.lua data-tre.lua data-sch.lua data-lua.lua data-aux.lua data-tmf.lua data-lst.lua libs-ini.lua luat-sta.lua luat-fmt.lua -- skipped libraries : - --- original bytes : 1037585 --- stripped bytes : 408686 +-- original bytes : 1046208 +-- stripped bytes : 415601 -- end library merge |