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-rw-r--r--scripts/context/lua/mtx-colors.lua2
-rw-r--r--scripts/context/lua/mtx-flac.lua216
-rw-r--r--scripts/context/lua/mtxrun.lua93
-rw-r--r--scripts/context/stubs/mswin/mtxrun.lua93
-rw-r--r--scripts/context/stubs/unix/mtxrun93
5 files changed, 409 insertions, 88 deletions
diff --git a/scripts/context/lua/mtx-colors.lua b/scripts/context/lua/mtx-colors.lua
index ee825a42c..2a51d5099 100644
--- a/scripts/context/lua/mtx-colors.lua
+++ b/scripts/context/lua/mtx-colors.lua
@@ -17,7 +17,7 @@ mtxrun --script color --table somename
]]
local application = logs.application {
- name = "mtx-cache",
+ name = "mtx-colors",
banner = "ConTeXt Color Management 0.10",
helpinfo = helpinfo,
}
diff --git a/scripts/context/lua/mtx-flac.lua b/scripts/context/lua/mtx-flac.lua
new file mode 100644
index 000000000..dc7f89218
--- /dev/null
+++ b/scripts/context/lua/mtx-flac.lua
@@ -0,0 +1,216 @@
+if not modules then modules = { } end modules ['mtx-flac'] = {
+ version = 1.001,
+ comment = "companion to mtxrun.lua",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+-- Written with Within Temptation's "The Unforgiven" in loopmode on
+-- the speakers. The following code is also used for my occasional music
+-- repository cleanup session using the code below.
+
+-- this can become l-flac.lua
+
+local sub, match, byte, lower = string.sub, string.match, string.byte, string.lower
+local readstring, readnumber = io.readstring, io.readnumber
+local concat = table.concat
+local tonumber = tonumber
+local tobitstring = number.tobitstring
+
+flac = flac or { }
+
+flac.report = string.format
+
+local splitter = lpeg.splitat("=")
+local readers = { }
+
+readers[0] = function(f,size,target) -- not yet ok
+ local info = { }
+ target.info = info
+ info.minimum_block_size = readnumber(f,-2)
+ info.maximum_block_size = readnumber(f,-2)
+ info.minimum_frame_size = readnumber(f,-3)
+ info.maximum_frame_size = readnumber(f,-3)
+ local buffer = { }
+ for i=1,8 do
+ buffer[i] = tobitstring(readnumber(f,1))
+ end
+ local bytes = concat(buffer)
+ info.sample_rate_in_hz = tonumber(sub(bytes, 1,20),2) -- 20
+ info.number_of_channels = tonumber(sub(bytes,21,23),2) -- 3
+ info.bits_per_sample = tonumber(sub(bytes,24,28),2) -- 5
+ info.samples_in_stream = tonumber(sub(bytes,29,64),2) -- 36
+ info.md5_signature = readstring(f,16) -- 128
+end
+
+readers[4] = function(f,size,target,banner)
+ local tags = { }
+ target.tags = tags
+ target.vendor = readstring(f,readnumber(f,-4))
+ for i=1,readnumber(f,-4) do
+ local key, value = lpeg.match(splitter,readstring(f,readnumber(f,-4)))
+ tags[lower(key)] = value
+ end
+end
+
+readers.default = function(f,size,target)
+ f:seek("cur",size)
+end
+
+function flac.getmetadata(filename)
+ local f = io.open(filename, "rb")
+ if f then
+ local banner = readstring(f,4)
+ if banner == "fLaC" then
+ local data = {
+ banner = banner,
+ filename = filename,
+ filesize = lfs.attributes(filename,"size"),
+ }
+ while true do
+ local flag = readnumber(f,1)
+ local size = readnumber(f,3)
+ local last = flag > 127
+ if last then
+ flag = flag - 128
+ end
+ local reader = readers[flag] or readers.default
+ reader(f,size,data,banner)
+ if last then
+ return data
+ end
+ end
+ else
+ flac.report("no flac file: %s (%s)",filename,banner)
+ end
+ f:close()
+ else
+ flac.report("no file: %s",filename)
+ end
+end
+
+function flac.savecollection(pattern,filename)
+ pattern = (pattern ~= "" and pattern) or "**/*.flac"
+ filename = (filename ~= "" and filename) or "music-collection.xml"
+ flac.report("identifying files using pattern %q" ,pattern)
+ local files = dir.glob(pattern)
+ flac.report("%s files found, analyzing files",#files)
+ local music = { }
+ for i=1,#files do
+ local data = flac.getmetadata(files[i])
+ if data then
+ local tags = data.tags
+ local info = data.info
+ local artist = tags.artist
+ local album = tags.album
+ local albums = music[artist]
+ if not albums then
+ albums = { }
+ music[artist] = albums
+ end
+ local albumx = albums[album]
+ if not albumx then
+ albumx = {
+ year = tags.date,
+ tracks = { },
+ }
+ albums[album] = albumx
+ end
+ albumx.tracks[tonumber(tags.tracknumber) or 0] = {
+ title = tags.title,
+ length = math.round((info.samples_in_stream/info.sample_rate_in_hz)),
+ }
+ end
+ end
+ -- inspect(music)
+ local nofartists, nofalbums, noftracks, noferrors = 0, 0, 0, 0
+ local f = io.open(filename,"wb")
+ if f then
+ f:write("<?xml version='1.0' standalone='yes'?>\n\n")
+ f:write("<collection>\n")
+ for artist, albums in table.sortedpairs(music) do
+ nofartists = nofartists + 1
+ f:write("\t<artist>\n")
+ f:write("\t\t<name>" .. artist .. "</name>\n")
+ f:write("\t\t\t<albums>\n")
+ for album, data in table.sortedpairs(albums) do
+ nofalbums = nofalbums + 1
+ f:write("\t\t\t\t<album year='" .. (data.year or 0) .. "'>\n")
+ f:write("\t\t\t\t\t<name>" .. album .. "</name>\n")
+ f:write("\t\t\t\t\t<tracks>\n")
+ local tracks = data.tracks
+ for i=1,#tracks do
+ local track = tracks[i]
+ if track then
+ noftracks = noftracks + 1
+ f:write("\t\t\t\t\t\t<track length='" .. track.length .. "'>" .. track.title .. "</track>\n")
+ else
+ noferrors = noferrors + 1
+ flac.report("error in album: %q of artist",album,artist)
+ f:write("\t\t\t\t\t\t<error track='" .. i .. "'/>\n")
+ end
+ end
+ f:write("\t\t\t\t\t</tracks>\n")
+ f:write("\t\t\t\t</album>\n")
+ end
+ f:write("\t\t\t</albums>\n")
+ f:write("\t\t</artist>\n")
+ end
+ f:write("</collection>\n")
+ end
+ f:close()
+ flac.report("%s tracks of %s albums of %s artists saved in %q (%s errors)",noftracks,nofalbums,nofartists,filename,noferrors)
+end
+
+--
+
+local helpinfo = [[
+--collect collect albums in xml file
+
+example:
+
+mtxrun --collect somename.flac
+mtxrun --collect --pattern="m:/music/**")
+]]
+
+local application = logs.application {
+ name = "mtx-flac",
+ banner = "ConTeXt Flac Helpers 0.10",
+ helpinfo = helpinfo,
+}
+
+flac.report = application.report
+
+-- script code
+
+scripts = scripts or { }
+scripts.flac = scripts.flac or { }
+
+function scripts.flac.collect()
+ local files = environment.files
+ local pattern = environment.arguments.pattern
+ if #files > 0 then
+ for i=1,#files do
+ local filename = files[1]
+ if file.suffix(filename) == "flac" then
+ flac.savecollection(filename,file.replacesuffix(filename,"xml"))
+ elseif lfs.isdir(filename) then
+ local pattern = filename .. "/**.flac"
+ flac.savecollection(pattern,file.addsuffix(file.basename(filename),"xml"))
+ else
+ flac.savecollection(file.replacesuffix(filename,"flac"),file.replacesuffix(filename,"xml"))
+ end
+ end
+ elseif pattern then
+ flac.savecollection(file.addsuffix(pattern,"flac"),"music-collection.xml")
+ else
+ flac.report("no file(s) or pattern given" )
+ end
+end
+
+if environment.argument("collect") then
+ scripts.flac.collect()
+else
+ application.help()
+end
diff --git a/scripts/context/lua/mtxrun.lua b/scripts/context/lua/mtxrun.lua
index 2f81b4629..f399b90a4 100644
--- a/scripts/context/lua/mtxrun.lua
+++ b/scripts/context/lua/mtxrun.lua
@@ -1683,8 +1683,6 @@ local nextchar = {
function io.characters(f,n)
if f then
return nextchar[n or 1], f
- else
- return nil, nil
end
end
@@ -1693,40 +1691,42 @@ local nextbyte = {
local a, b, c, d = f:read(1,1,1,1)
if d then
return byte(a), byte(b), byte(c), byte(d)
- else
- return nil, nil, nil, nil
+ end
+ end,
+ [3] = function(f)
+ local a, b, c = f:read(1,1,1)
+ if b then
+ return byte(a), byte(b), byte(c)
end
end,
[2] = function(f)
local a, b = f:read(1,1)
if b then
return byte(a), byte(b)
- else
- return nil, nil
end
end,
[1] = function (f)
local a = f:read(1)
if a then
return byte(a)
- else
- return nil
end
end,
[-2] = function (f)
local a, b = f:read(1,1)
if b then
return byte(b), byte(a)
- else
- return nil, nil
+ end
+ end,
+ [-3] = function(f)
+ local a, b, c = f:read(1,1,1)
+ if b then
+ return byte(c), byte(b), byte(a)
end
end,
[-4] = function(f)
local a, b, c, d = f:read(1,1,1,1)
if d then
return byte(d), byte(c), byte(b), byte(a)
- else
- return nil, nil, nil, nil
end
end
}
@@ -1782,10 +1782,13 @@ local function readnumber(f,n,m)
return byte(f:read(1))
elseif n == 2 then
local a, b = byte(f:read(2),1,2)
- return 256*a + b
+ return 256 * a + b
+ elseif n == 3 then
+ local a, b, c = byte(f:read(3),1,3)
+ return 256*256 * a + 256 * b + c
elseif n == 4 then
local a, b, c, d = byte(f:read(4),1,4)
- return 256*256*256 * a + 256*256 * b + 256*c + d
+ return 256*256*256 * a + 256*256 * b + 256 * c + d
elseif n == 8 then
local a, b = readnumber(f,4), readnumber(f,4)
return 256 * a + b
@@ -1795,9 +1798,22 @@ local function readnumber(f,n,m)
elseif n == -2 then
local b, a = byte(f:read(2),1,2)
return 256*a + b
+ elseif n == -3 then
+ local c, b, a = byte(f:read(3),1,3)
+ return 256*256 * a + 256 * b + c
elseif n == -4 then
local d, c, b, a = byte(f:read(4),1,4)
return 256*256*256 * a + 256*256 * b + 256*c + d
+ elseif n == -8 then
+ local h, g, f, e, d, c, b, a = byte(f:read(8),1,8)
+ return 256*256*256*256*256*256*256 * a +
+ 256*256*256*256*256*256 * b +
+ 256*256*256*256*256 * c +
+ 256*256*256*256 * d +
+ 256*256*256 * e +
+ 256*256 * f +
+ 256 * g +
+ h
else
return 0
end
@@ -1830,7 +1846,7 @@ if not modules then modules = { } end modules ['l-number'] = {
-- this module will be replaced when we have the bit library
local tostring = tostring
-local format, floor, insert, match = string.format, math.floor, string.match
+local format, floor, match, rep = string.format, math.floor, string.match, string.rep
local concat, insert = table.concat, table.insert
local lpegmatch = lpeg.match
@@ -1900,27 +1916,37 @@ function number.clearbit(x, p)
end
-function number.tobitstring(n)
+function number.tobitstring(n,m)
if n == 0 then
- return "00000000"
+ if m then
+ rep("00000000",m)
+ else
+ return "00000000"
+ end
else
- tc = 0
- t = {}
+ local t = { }
while n > 0 do
- table.insert(t,1,n % 2 > 0 and 1 or 0)
- n = math.floor(n/2)
- tc = tc + 1
- end
- while tc % 8 > 0 do
- table.insert(t,1,0)
- tc = tc + 1
- end
- n = table.concat(t)
- return n
+ insert(t,1,n % 2 > 0 and 1 or 0)
+ n = floor(n/2)
+ end
+ local nn = 8 - #t % 8
+ if nn > 0 and nn < 8 then
+ for i=1,nn do
+ insert(t,1,0)
+ end
+ end
+ if m then
+ m = m * 8 - #t
+ if m > 0 then
+ insert(t,1,rep("0",m))
+ end
+ end
+ return concat(t)
end
end
+
end -- of closure
do -- create closure to overcome 200 locals limit
@@ -8638,6 +8664,15 @@ function xml.collected(root,pattern,reverse) -- e
return wrap(function() end)
end
+-- handy
+
+function xml.inspect(collection,pattern)
+ pattern = pattern or "."
+ for e in xml.collected(collection,pattern or ".") do
+ report_lpath("pattern %q\n\n%s\n",pattern,xml.tostring(e))
+ end
+end
+
end -- of closure
diff --git a/scripts/context/stubs/mswin/mtxrun.lua b/scripts/context/stubs/mswin/mtxrun.lua
index 2f81b4629..f399b90a4 100644
--- a/scripts/context/stubs/mswin/mtxrun.lua
+++ b/scripts/context/stubs/mswin/mtxrun.lua
@@ -1683,8 +1683,6 @@ local nextchar = {
function io.characters(f,n)
if f then
return nextchar[n or 1], f
- else
- return nil, nil
end
end
@@ -1693,40 +1691,42 @@ local nextbyte = {
local a, b, c, d = f:read(1,1,1,1)
if d then
return byte(a), byte(b), byte(c), byte(d)
- else
- return nil, nil, nil, nil
+ end
+ end,
+ [3] = function(f)
+ local a, b, c = f:read(1,1,1)
+ if b then
+ return byte(a), byte(b), byte(c)
end
end,
[2] = function(f)
local a, b = f:read(1,1)
if b then
return byte(a), byte(b)
- else
- return nil, nil
end
end,
[1] = function (f)
local a = f:read(1)
if a then
return byte(a)
- else
- return nil
end
end,
[-2] = function (f)
local a, b = f:read(1,1)
if b then
return byte(b), byte(a)
- else
- return nil, nil
+ end
+ end,
+ [-3] = function(f)
+ local a, b, c = f:read(1,1,1)
+ if b then
+ return byte(c), byte(b), byte(a)
end
end,
[-4] = function(f)
local a, b, c, d = f:read(1,1,1,1)
if d then
return byte(d), byte(c), byte(b), byte(a)
- else
- return nil, nil, nil, nil
end
end
}
@@ -1782,10 +1782,13 @@ local function readnumber(f,n,m)
return byte(f:read(1))
elseif n == 2 then
local a, b = byte(f:read(2),1,2)
- return 256*a + b
+ return 256 * a + b
+ elseif n == 3 then
+ local a, b, c = byte(f:read(3),1,3)
+ return 256*256 * a + 256 * b + c
elseif n == 4 then
local a, b, c, d = byte(f:read(4),1,4)
- return 256*256*256 * a + 256*256 * b + 256*c + d
+ return 256*256*256 * a + 256*256 * b + 256 * c + d
elseif n == 8 then
local a, b = readnumber(f,4), readnumber(f,4)
return 256 * a + b
@@ -1795,9 +1798,22 @@ local function readnumber(f,n,m)
elseif n == -2 then
local b, a = byte(f:read(2),1,2)
return 256*a + b
+ elseif n == -3 then
+ local c, b, a = byte(f:read(3),1,3)
+ return 256*256 * a + 256 * b + c
elseif n == -4 then
local d, c, b, a = byte(f:read(4),1,4)
return 256*256*256 * a + 256*256 * b + 256*c + d
+ elseif n == -8 then
+ local h, g, f, e, d, c, b, a = byte(f:read(8),1,8)
+ return 256*256*256*256*256*256*256 * a +
+ 256*256*256*256*256*256 * b +
+ 256*256*256*256*256 * c +
+ 256*256*256*256 * d +
+ 256*256*256 * e +
+ 256*256 * f +
+ 256 * g +
+ h
else
return 0
end
@@ -1830,7 +1846,7 @@ if not modules then modules = { } end modules ['l-number'] = {
-- this module will be replaced when we have the bit library
local tostring = tostring
-local format, floor, insert, match = string.format, math.floor, string.match
+local format, floor, match, rep = string.format, math.floor, string.match, string.rep
local concat, insert = table.concat, table.insert
local lpegmatch = lpeg.match
@@ -1900,27 +1916,37 @@ function number.clearbit(x, p)
end
-function number.tobitstring(n)
+function number.tobitstring(n,m)
if n == 0 then
- return "00000000"
+ if m then
+ rep("00000000",m)
+ else
+ return "00000000"
+ end
else
- tc = 0
- t = {}
+ local t = { }
while n > 0 do
- table.insert(t,1,n % 2 > 0 and 1 or 0)
- n = math.floor(n/2)
- tc = tc + 1
- end
- while tc % 8 > 0 do
- table.insert(t,1,0)
- tc = tc + 1
- end
- n = table.concat(t)
- return n
+ insert(t,1,n % 2 > 0 and 1 or 0)
+ n = floor(n/2)
+ end
+ local nn = 8 - #t % 8
+ if nn > 0 and nn < 8 then
+ for i=1,nn do
+ insert(t,1,0)
+ end
+ end
+ if m then
+ m = m * 8 - #t
+ if m > 0 then
+ insert(t,1,rep("0",m))
+ end
+ end
+ return concat(t)
end
end
+
end -- of closure
do -- create closure to overcome 200 locals limit
@@ -8638,6 +8664,15 @@ function xml.collected(root,pattern,reverse) -- e
return wrap(function() end)
end
+-- handy
+
+function xml.inspect(collection,pattern)
+ pattern = pattern or "."
+ for e in xml.collected(collection,pattern or ".") do
+ report_lpath("pattern %q\n\n%s\n",pattern,xml.tostring(e))
+ end
+end
+
end -- of closure
diff --git a/scripts/context/stubs/unix/mtxrun b/scripts/context/stubs/unix/mtxrun
index 2f81b4629..f399b90a4 100644
--- a/scripts/context/stubs/unix/mtxrun
+++ b/scripts/context/stubs/unix/mtxrun
@@ -1683,8 +1683,6 @@ local nextchar = {
function io.characters(f,n)
if f then
return nextchar[n or 1], f
- else
- return nil, nil
end
end
@@ -1693,40 +1691,42 @@ local nextbyte = {
local a, b, c, d = f:read(1,1,1,1)
if d then
return byte(a), byte(b), byte(c), byte(d)
- else
- return nil, nil, nil, nil
+ end
+ end,
+ [3] = function(f)
+ local a, b, c = f:read(1,1,1)
+ if b then
+ return byte(a), byte(b), byte(c)
end
end,
[2] = function(f)
local a, b = f:read(1,1)
if b then
return byte(a), byte(b)
- else
- return nil, nil
end
end,
[1] = function (f)
local a = f:read(1)
if a then
return byte(a)
- else
- return nil
end
end,
[-2] = function (f)
local a, b = f:read(1,1)
if b then
return byte(b), byte(a)
- else
- return nil, nil
+ end
+ end,
+ [-3] = function(f)
+ local a, b, c = f:read(1,1,1)
+ if b then
+ return byte(c), byte(b), byte(a)
end
end,
[-4] = function(f)
local a, b, c, d = f:read(1,1,1,1)
if d then
return byte(d), byte(c), byte(b), byte(a)
- else
- return nil, nil, nil, nil
end
end
}
@@ -1782,10 +1782,13 @@ local function readnumber(f,n,m)
return byte(f:read(1))
elseif n == 2 then
local a, b = byte(f:read(2),1,2)
- return 256*a + b
+ return 256 * a + b
+ elseif n == 3 then
+ local a, b, c = byte(f:read(3),1,3)
+ return 256*256 * a + 256 * b + c
elseif n == 4 then
local a, b, c, d = byte(f:read(4),1,4)
- return 256*256*256 * a + 256*256 * b + 256*c + d
+ return 256*256*256 * a + 256*256 * b + 256 * c + d
elseif n == 8 then
local a, b = readnumber(f,4), readnumber(f,4)
return 256 * a + b
@@ -1795,9 +1798,22 @@ local function readnumber(f,n,m)
elseif n == -2 then
local b, a = byte(f:read(2),1,2)
return 256*a + b
+ elseif n == -3 then
+ local c, b, a = byte(f:read(3),1,3)
+ return 256*256 * a + 256 * b + c
elseif n == -4 then
local d, c, b, a = byte(f:read(4),1,4)
return 256*256*256 * a + 256*256 * b + 256*c + d
+ elseif n == -8 then
+ local h, g, f, e, d, c, b, a = byte(f:read(8),1,8)
+ return 256*256*256*256*256*256*256 * a +
+ 256*256*256*256*256*256 * b +
+ 256*256*256*256*256 * c +
+ 256*256*256*256 * d +
+ 256*256*256 * e +
+ 256*256 * f +
+ 256 * g +
+ h
else
return 0
end
@@ -1830,7 +1846,7 @@ if not modules then modules = { } end modules ['l-number'] = {
-- this module will be replaced when we have the bit library
local tostring = tostring
-local format, floor, insert, match = string.format, math.floor, string.match
+local format, floor, match, rep = string.format, math.floor, string.match, string.rep
local concat, insert = table.concat, table.insert
local lpegmatch = lpeg.match
@@ -1900,27 +1916,37 @@ function number.clearbit(x, p)
end
-function number.tobitstring(n)
+function number.tobitstring(n,m)
if n == 0 then
- return "00000000"
+ if m then
+ rep("00000000",m)
+ else
+ return "00000000"
+ end
else
- tc = 0
- t = {}
+ local t = { }
while n > 0 do
- table.insert(t,1,n % 2 > 0 and 1 or 0)
- n = math.floor(n/2)
- tc = tc + 1
- end
- while tc % 8 > 0 do
- table.insert(t,1,0)
- tc = tc + 1
- end
- n = table.concat(t)
- return n
+ insert(t,1,n % 2 > 0 and 1 or 0)
+ n = floor(n/2)
+ end
+ local nn = 8 - #t % 8
+ if nn > 0 and nn < 8 then
+ for i=1,nn do
+ insert(t,1,0)
+ end
+ end
+ if m then
+ m = m * 8 - #t
+ if m > 0 then
+ insert(t,1,rep("0",m))
+ end
+ end
+ return concat(t)
end
end
+
end -- of closure
do -- create closure to overcome 200 locals limit
@@ -8638,6 +8664,15 @@ function xml.collected(root,pattern,reverse) -- e
return wrap(function() end)
end
+-- handy
+
+function xml.inspect(collection,pattern)
+ pattern = pattern or "."
+ for e in xml.collected(collection,pattern or ".") do
+ report_lpath("pattern %q\n\n%s\n",pattern,xml.tostring(e))
+ end
+end
+
end -- of closure
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 02:29:32 +0000