Thu, 27 May 2010 15:32:25 +0100
gzip: Enably uglify for gzip decompression code (reduces gzip fixed overhead by 1K)
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165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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1 | function gzip_file(infile_fn, outfile_fn) |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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2 | local infile, err = io.open(infile_fn); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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3 | if not infile then |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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4 | print_err("Can't open input file for reading: "..tostring(err)); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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5 | return; |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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6 | end |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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7 | |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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8 | local outfile, err = io.open(outfile_fn..".gzipped", "w+"); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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9 | if not outfile then |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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10 | print_err("Can't open output file for writing: "..tostring(err)); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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11 | return; |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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12 | end |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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13 | |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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14 | local data = infile:read("*a"); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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15 | infile:close(); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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16 | |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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17 | local shebang, newdata = data:match("^(#.-\n)(.+)$"); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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18 | local code = newdata or data; |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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changeset
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19 | if shebang then |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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20 | outfile:write(shebang) |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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21 | end |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
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22 | |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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23 | local compressed = io.popen("gzip -c '"..infile_fn.."'"); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
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24 | code = compressed:read("*a"); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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25 | |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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26 | local maxequals = 0; |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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27 | code:gsub("(=+)", function (equals_string) maxequals = math.max(maxequals, #equals_string); end); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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28 | |
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gzip: Some changes to make embedding decompression code compatible with uglify
Matthew Wild <mwild1@gmail.com>
parents:
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29 | outfile:write("local ungz = (function ()", require_resource "gunzip.lua", " end)()\n"); |
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165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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30 | |
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41aeda62af16
gzip: Some changes to make embedding decompression code compatible with uglify
Matthew Wild <mwild1@gmail.com>
parents:
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31 | outfile:write[[return assert(loadstring((function (i)local o={} ungz{input=i,output=function(b)table.insert(o,string.char(b))end}return table.concat(o)end) ]]; |
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165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
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32 | |
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41aeda62af16
gzip: Some changes to make embedding decompression code compatible with uglify
Matthew Wild <mwild1@gmail.com>
parents:
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33 | --outfile:write [[return assert(loadstring(_gunzip]] |
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165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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34 | outfile:write(string.format("%q", code)); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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35 | --outfile:write("[", string.rep("=", maxequals+1), "[", code, "]", string.rep("=", maxequals+1), "]"); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
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36 | outfile:write(", '@", outfile_fn,"'))()"); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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37 | outfile:close(); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
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38 | os.rename(outfile_fn..".gzipped", outfile_fn); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
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39 | end |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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40 | |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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41 | if opts.gzip then |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
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42 | print_info("Gzipping "..out_fn.."..."); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
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43 | gzip_file(out_fn, out_fn); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
diff
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44 | print_info("OK!"); |
165b36273ce7
gzip: Add support for gzipping output files, based on a very hacked compress.deflatelua by David Manura
Matthew Wild <mwild1@gmail.com>
parents:
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45 | end |