diff options
Diffstat (limited to 'luaotfload-database.lua')
| -rw-r--r-- | luaotfload-database.lua | 120 |
1 files changed, 95 insertions, 25 deletions
diff --git a/luaotfload-database.lua b/luaotfload-database.lua index a19cbfd..d12c554 100644 --- a/luaotfload-database.lua +++ b/luaotfload-database.lua @@ -11,6 +11,14 @@ if not modules then modules = { } end modules ['luaotfload-database'] = { --- difficulty with the filenames of the TEXMF tree that are referenced as --- relative paths... +local lpeg = require "lpeg" + +local P, R, S, lpegmatch + = lpeg.P, lpeg.R, lpeg.S, lpeg.match + +local C, Cc, Cf, Cg, Ct + = lpeg.C, lpeg.Cc, lpeg.Cf, lpeg.Cg, lpeg.Ct + --- Luatex builtins local load = load local next = next @@ -1119,13 +1127,80 @@ fonts.path_normalize = path_normalize names.blacklist = { } -local function read_blacklist() +local blacklist = names.blacklist +local p_blacklist --- prefixes of dirs + +--- string list -> string list +local collapse_prefixes = function (lst) + --- avoid redundancies in blacklist + if #lst < 2 then + return lst + end + + tablesort(lst) + local cur = lst[1] + local result = { cur } + for i=2, #lst do + local elm = lst[i] + if stringsub(elm, 1, #cur) ~= cur then + --- different prefix + cur = elm + result[#result+1] = cur + end + end + return result +end + +--- string list -> string list -> (string, bool) hash_t +local create_blacklist = function (blacklist, whitelist) + local result = { } + local dirs = { } + + report("info", 2, "db", "blacklisting “%d” files and directories", + #blacklist) + for i=1, #blacklist do + local entry = blacklist[i] + if lfsisdir(entry) then + dirs[#dirs+1] = entry + else + result[blacklist[i]] = true + end + end + + report("info", 2, "db", "whitelisting “%d” files", #whitelist) + for i=1, #whitelist do + result[whitelist[i]] = nil + end + + dirs = collapse_prefixes(dirs) + + --- build the disjunction of the blacklisted directories + for i=1, #dirs do + local p_dir = P(dirs[i]) + if p_blacklist then + p_blacklist = p_blacklist + p_dir + else + p_blacklist = p_dir + end + end + + if p_blacklist == nil then + --- always return false + p_blacklist = Cc(false) + end + + return result +end + +--- unit -> unit +local read_blacklist = function () local files = { kpselookup("luaotfload-blacklist.cnf", {all=true, format="tex"}) } - local blacklist = names.blacklist + local blacklist = { } local whitelist = { } + --- TODO lpegify if files and type(files) == "table" then for _,v in next, files do for line in iolines(v) do @@ -1133,23 +1208,21 @@ local function read_blacklist() local first_chr = stringsub(line, 1, 1) --- faster than find if first_chr == "%" or stringis_empty(line) then -- comment or empty line + elseif first_chr == "-" then + whitelist[#whitelist+1] = stringsub(line, 2, -1) else - --- this is highly inefficient - line = stringsplit(line, "%")[1] - line = stringstrip(line) - if stringsub(line, 1, 1) == "-" then - whitelist[stringsub(line, 2, -1)] = true - else - report("log", 2, "db", "blacklisted file “%s”", line) - blacklist[line] = true + local cmt = stringfind(line, "%%") + if cmt then + line = stringsub(line, cmt - 1) end + line = stringstrip(line) + report("log", 2, "db", "blacklisted file “%s”", line) + blacklist[#blacklist+1] = line end end end end - for _,fontname in next, whitelist do - blacklist[fontname] = nil - end + names.blacklist = create_blacklist(blacklist, whitelist) end local font_extensions = { "otf", "ttf", "ttc", "dfont" } @@ -1172,8 +1245,13 @@ end --- string -> dbobj -> dbobj -> bool -> bool -> (int * int) local scan_dir = function (dirname, fontnames, newfontnames, dry_run, texmf) + if lpegmatch(p_blacklist, dirname) then + --- ignore + return 0, 0 + end + local n_scanned, n_new = 0, 0 --- total of fonts collected - report("both", 2, "db", "scanning directory %s", dirname) + report("both", 3, "db", "scanning directory %s", dirname) for _,i in next, font_extensions do for _,ext in next, { i, stringupper(i) } do local found = dirglob(stringformat("%s/**.%s$", dirname, ext)) @@ -1243,14 +1321,6 @@ end local read_fonts_conf do --- closure for read_fonts_conf() - local lpeg = require "lpeg" - - local C, Cc, Cf, Cg, Ct - = lpeg.C, lpeg.Cc, lpeg.Cf, lpeg.Cg, lpeg.Ct - - local P, R, S, lpegmatch - = lpeg.P, lpeg.R, lpeg.S, lpeg.match - local alpha = R("az", "AZ") local digit = R"09" local tag_name = C(alpha^1) @@ -1544,12 +1614,12 @@ local gen_fast_lookups = function (fontnames) local known = filenames.base[base] or filenames.bare[bare] if known then --- known - report("both", 1, "db", + report("both", 3, "db", "font file “%s” already indexed (%d)", base, idx) - report("both", 2, "db", "> old location: %s", + report("both", 3, "db", "> old location: %s", (filenames.full[known] or "texmf")) - report("both", 2, "db", "> new location: %s", + report("both", 3, "db", "> new location: %s", (intexmf and "texmf" or full)) end |