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|
#!/usr/bin/env texlua
-----------------------------------------------------------------------
-- FILE: luafindfont.lua
-- DESCRIPTION: search for fonts in the database
-- REQUIREMENTS: luatex v.0.80 or later; packages lualibs, xindex-lapp
-- AUTHOR: Herbert Voß (C) 2021-11-27
-----------------------------------------------------------------------
luafindfont = luafindfont or { }
local version = 0.06
luafindfont.version = version
--[[
Search the font database for fontnames. The database is used
by Lua(La)TeX and created by default with the first run of
Lua(La)TeX. If there is no such data file then "luafindfont"
will execute the command to create it.
luafindfont(1)
%% This file may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%% http://www.latex-project.org/lppl.txt
%% and version 1.3c or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.
Report bugs to hvoss@tug.org
]]
kpse.set_program_name("luatex")
local f = kpse.find_file("lualibs.lua")
require("lualibs") -- all part of LuaTeX
--require("luafindfont-utflib")
if #arg == 0 then
print("I need at least one argument or option! Will exit ...")
os.exit()
end
local args_verbose = 0
local args_nosymbolixnames = 0
local args_otfinfo = 0
local args_info = 0
local args_max_string = 90
local otfinfo_arg
local fontNo = 0
local i = 1
while i <= #arg do
if arg[i] == "-h" or arg[i] == "--help" then
print("Version "..version..", Copyright 2021 by Herbert Voß")
print([[Syntax: luafindfont [options] <font>
By default the Lua program 'luafindfont' creates a list of the
fonts which have in its names the given string.
parameter handling
-h,--help
-n,--nosymbolicnames
-o,--otfinfo (default 0)
-i,--info (default 0)
-v, --verbose
-m,--max_string (default 90)
<font> (string) ]])
elseif arg[i] == "-v" or arg[i] == "--verbose" then
args_verbose = 1
elseif arg[i] == "-n" or arg[i] == "--nosymbolicnames" then
args_nosymbolicnames = 1
elseif arg[i] == "-o" or arg[i] == "--otfinfo" then
local o_arg = arg[i+1]
otfinfo_arg = "i"
fontNo = tonumber(o_arg)
if not fontNo then -- combination: No and Arg
fontNo = tonumber(string.match(o_arg,"%d+"))
otfinfo_arg = string.match(o_arg,"%a+")
if not fontNo then
print("Option -o needs a following fontnumber!")
fontNo = 0
end
end
i = i + 1
elseif arg[i] == "-i" or arg[i] == "--info" then
local fontNr = tonumber(arg[i+1])
if fontNr then
args_info = fontNr
i = i + 1
else
print("Option -i needs a following fontnumber!")
args_info = 0
end
elseif arg[i] == "-m" or arg[i] == "--max_string" then
local string_len = tonumber(arg[i+1])
if string_len then
args_max_string = string_len
i = i + 1
else
print("Option -m needs a following fontnumber!")
args_max_string = 90
end
else
args_font = arg[i]
end
i = i + 1
end
if not args_font then
print("No fontname given, will close ...")
os.exit()
end
local vlevel = args_verbose
--local otfinfo = args_otfinfo
local info = args_info
local noSymbolicNames = args_nosymbolicnames
local maxStrLength = args_max_string
local font_str = args_font:lower():gsub("%s+", ""):split("&")
if #font_str == 1 then font_str[2] = "" end
local luaVersion = _VERSION
print("We are using "..luaVersion)
if font_str[2] ~= "" then
print('Looking for font \"'..font_str[1]..' & '..font_str[2]..'\"')
else
print('Looking for font \"'..font_str[1]..'\"')
end
function getFileParts(fullpath,part)
local path, file, ext = string.match(fullpath, "(.-)([^/]-([^%.]+))$")
if part == "path" then return path
elseif part == "ext" then return ext
else return file end
end
function getFileLocation()
local cachepaths = kpse.expand_var('$TEXMFCACHE') or ""
if cachepaths == "" or cachepaths == "$TEXMFCACHE" then
cachepaths = kpse.expand_var('$TEXMFVAR') or ""
end
if vlevel > 0 then print("cachepaths: ",cachepaths) end
if cachepaths == "" then
print("umghhh ....")
print("No cache path found ... ")
return ""
end
if os.type == "windows" then
paths = string.split(cachepaths,";")
else
paths = string.split(cachepaths,":")
end
if vlevel > 0 then print ("Pathes: ", paths[1], paths[2]) end
local file = paths[1].."/luatex-cache/generic/names"
if vlevel > 0 then print("try: ",file) end
local f,err = io.open (file.."/test.tmp", "w")
if not f and #paths > 1 then
if vlevel > 0 then print("first path has no file, I'll try the second one ...") end
file = paths[2].."/luatex-cache/generic/names"
if vlevel > 0 then print("try: ",file) end
f,err = io.open (file.."/test.tmp", "w")
if not f then
print("Error getting file location: \n",err)
return ""
else
f:close()
end
else
f:close()
end
-- print("File: "..fontListFile)
return file
end
function readBinaryOrZippedFile(file)
print("Check for file "..file)
local f,err = io.open (file..".luc", "rb")
if not f then
if vlevel > 0 then print("There is no binary data file ... ") end
f,err = io.open (file..".lua.gz", "r")
if not f then
if vlevel > 0 then print("There is no gzipped data file ... ") end
f,err = io.open (file..".lua", "r")
if not f then
if vlevel > 0 then print("There is no data file ... ") end
print("Error reading file: ",err)
return nil
else
if vlevel > 0 then print("Found a normal data file ... ") end
local str = dofile(f)
f:close()
return str
end
else
if vlevel > 0 then print("Found a gzipped data file ... ") end
local str = f:read("*all")
local str2 = loadstring(gzip.decompress(str))
str = str2()
f:close()
return str
end
else
if vlevel > 0 then print("Found a binary data file ... ") end
local chunk = f:read"*all"
f:close()
local func = load (chunk, "b")
str = func()
return str
end
end
function compareEntries(f1, f2)
if (f1["basename"] == f2["basename"]) and
(f1["familyname"] == f2["familyname"]) and
(f1["fullpath"] == f2["fullpath"]) then
return true
else
return false
end
end
local fontData = {}
local fontListFile = getFileLocation()
if fontListFile == "" then
print("There is no cached font file list!")
print('Will run at first "luaotfload-tool --update --force" ... Wait a minute, please ...')
local exrun = io.popen('luaotfload-tool --update --force', 'r')
local output = exrun:read('*all')
print(output)
exrun:close()
fontListFile = getFileLocation()
end
fontListFile = fontListFile.."/luaotfload-names"
fontData = readBinaryOrZippedFile(fontListFile)
if not fontData then
print("umghhh ....")
print("It does not work! I'll give it up ... :-(")
os.exit()
end
--print(require 'xindex-pretty'.dump(fontData)) --["families"]["system"]["otf"]))
fontDataMap = fontData["mappings"]
fontFilesTable = fontData["files"]["full"]
--print(require 'xindex-pretty'.dump(fontFilesTable)) --["families"]["system"]["otf"]))
--print(require 'xindex-pretty'.dump(fontFilesTable["bare"]["system"]["otf"])) --["families"]["system"]["otf"]))
--[[
print("Dateiliste für System->OTF")
for i, v in ipairs(fontFilesTable) do
print(i,v)
end
]]
table.sort(fontDataMap,
function(a,b)
if not a["basename"] or not b["basename"] then
return false
else
return string.lower(a["basename"]) < string.lower(b["basename"])
end end)
-- strip duplicates
local newFontDataMap = {}
if #fontDataMap > 0 then
newFontDataMap[1] = fontDataMap[1]
end
for i = 2,#fontDataMap do
if not compareEntries(fontDataMap[i],newFontDataMap[#newFontDataMap]) then
newFontDataMap[#newFontDataMap+1] = fontDataMap[i]
end
end
fontDataMap = newFontDataMap
--for i, v in ipairs(fontDataMap) do
-- print(i, v["basename"],v["familyname"], v["fullpath"])
-- end
local j = 1
local fontList = {}
local l_max = {1, 1, 1}
for i, v in ipairs(fontDataMap) do
if v["familyname"] then
if (string.find (v["familyname"]:lower(), font_str[1], 1, true) and string.find (v["basename"]:lower(), font_str[2], 1, true) ) or (font_str == "*") then
-- print(string.format("%2d. %30s %20s %50s",j,v["basename"],v["familyname"],v["fullpath"]))
fontList[#fontList+1] = v
local fullpath = getFileParts(v["fullpath"],"path") -- strip file name
local basename = v["basename"]
-- local basename = string.fromutf8(v["basename"])
if string.len(basename) > l_max[1] then l_max[1] = string.len(basename) end
if string.len(v["familyname"]) > l_max[2] then l_max[2] = string.len(v["familyname"]) end
if string.len(fullpath) > l_max[3] then l_max[3] = string.len(fullpath) end
j = j + 1
end
end
end
-- print(l_max[1],l_max[2],l_max[3])
if l_max[3] > maxStrLength then l_max[3] = maxStrLength end
local minChars = 26
local Fontname = "Fontname"
local Path = "Path"
local SymbolicName = "Symbolic Name"
local lfdNr = "No."
if (font_str ~= "*") and not noSymbolicNames then
print(string.format("%4s %"..l_max[1].."s %"..l_max[2].."s %"..l_max[3].."s",lfdNr,Fontname,SymbolicName,Path))
else
print(string.format("%4s %"..l_max[1].."s %"..l_max[3].."s",lfdNr,Fontname,Path))
end
for i, v in ipairs(fontList) do
local path = getFileParts(v["fullpath"],"path")
if string.len(path) > l_max[3] then
path = string.sub (path, 1, minChars).."..."..string.sub (path, string.len(path)-maxStrLength+minChars+4)
end
if (font_str ~= "*") and not noSymbolicNames then
print(string.format("%4d. %"..l_max[1].."s %"..l_max[2].."s %"..l_max[3].."s",i,v["basename"],v["familyname"],path))
else
print(string.format("%4d. %"..l_max[1].."s %"..l_max[3].."s",i,v["basename"],path))
end
end
if fontNo > 0 then
print()
print("Run otfinfo -"..otfinfo_arg..": "..fontNo)
local font = fontList[fontNo]["fullpath"]
print("otfinfo -"..otfinfo_arg.." \""..font.."\"")
local exrun = io.popen("otfinfo -"..otfinfo_arg.." \""..font.."\"", 'r') -- ".." font may have spaces
local output = exrun:read('*all')
print(output)
exrun:close()
end
if info > 0 then
font = fontList[info]["familyname"]
print("\nFont: "..font)
local font_dir = {"local","system","texmf"}
local font_ext = {"ttf","otf","ttc"}
for j = 1,#font_dir do
for i = 1,#font_ext do
local fonttype = ""
local ext = font_ext[i]
local dir = font_dir[j]
if fontData["families"][dir][ext] then -- font extension exists?
local entry = fontData["families"][dir][ext][font]
if entry then
if entry["r"] then fonttype = fonttype.."Regular " end
if entry["b"] then fonttype = fonttype.."| Bold " end
if entry["i"] then fonttype = fonttype.."| Italic " end
if entry["bi"] then fonttype = fonttype.."| BoldItalic" end
io.write("Fonttype "..ext.."("..dir..") --> ")
if #fonttype > 0 then
print("| "..fonttype.." |")
else
print(" undefined ") --- no regular definiert
end
else
print()
end
end
end
end
end
--print(require 'xindex-pretty'.dump(fontData["families"]["system"]["otf"])) --["families"]["system"]["otf"]))
--[[
["families"]={
["local"]={},
["system"]={
["otf"]={
["adobecaslonpro"]={
["b"]={
["default"]=3143,
},
["bi"]={
["default"]=3146,
},
["i"]={
["default"]=3145,
},
["r"]={
["default"]=3147,
},
},
},
},
},
]]
--[[
This is a sketch of the luaotfload db:
type dbobj = {
families : familytable;
fontnames : fontnametable;
files : filemap;
status : filestatus;
mappings : fontentry list;
meta : metadata;
}
and familytable = {
local : (format, familyentry) hash; // specified with include dir
texmf : (format, familyentry) hash;
system : (format, familyentry) hash;
}
and familyentry = {
r : sizes; // regular
i : sizes; // italic
b : sizes; // bold
bi : sizes; // bold italic
}
and sizes = {
default : int; // points into mappings or names
optical : (int, int) list; // design size -> index entry
}
and fontnametable = {
local : (format, index) hash;
texmf : (format, index) hash;
system : (format, index) hash;
}
and metadata = {
created : string // creation time
formats : string list; // { "otf", "ttf", "ttc" }
local : bool; (* set if local fonts were added to the db *)
modified : string // modification time
statistics : TODO; // created when built with "--stats"
version : float; // index version
}
and filemap = { // created by generate_filedata()
base : {
local : (string, int) hash; // basename -> idx
system : (string, int) hash;
texmf : (string, int) hash;
};
bare : {
local : (string, (string, int) hash) hash; // location -> (barename -> idx)
system : (string, (string, int) hash) hash;
texmf : (string, (string, int) hash) hash;
};
full : (int, string) hash; // idx -> full path
}
and fontentry = { // finalized by collect_families()
basename : string; // file name without path "foo.otf"
conflicts : { barename : int; basename : int }; // filename conflict with font at index; happens with subfonts
familyname : string; // sanitized name of the font family the font belongs to, usually from the names table
fontname : string; // sanitized name of the font
format : string; // "otf" | "ttf" | "afm" (* | "pfb" *)
fullname : string; // sanitized full name of the font including style modifiers
fullpath : string; // path to font in filesystem
index : int; // index in the mappings table
italicangle : float; // italic angle; non-zero with oblique faces
location : string; // "texmf" | "system" | "local"
plainname : string; // unsanitized font name
typographicsubfamily : string; // sanitized preferred subfamily (names table 14)
psname : string; // PostScript name
size : (false | float * float * float); // if available, size info from the size table converted from decipoints
subfamily : string; // sanitized subfamily (names table 2)
subfont : (int | bool); // integer if font is part of a TrueType collection ("ttc")
version : string; // font version string
weight : int; // usWeightClass
}
and filestatus = (string, // fullname
{ index : int list; // pointer into mappings
timestamp : int; }) dict
]]
|