diff options
Diffstat (limited to 'luaotfload-database.lua')
| -rw-r--r-- | luaotfload-database.lua | 135 |
1 files changed, 133 insertions, 2 deletions
diff --git a/luaotfload-database.lua b/luaotfload-database.lua index 33b6b29..ffcf536 100644 --- a/luaotfload-database.lua +++ b/luaotfload-database.lua @@ -1510,7 +1510,130 @@ save_names = function (fontnames) return false end ---- is this used anywhere? +--[[doc-- + + Below set of functions is modeled after mtx-cache. + +--doc]]-- + +--- string -> string -> string list -> string list -> string list -> unit +local print_cache = function (category, path, luanames, lucnames, rest) + local report_indeed = function (...) + report("info", 0, "cache", ...) + end + report_indeed("Luaotfload cache: %s", category) + report_indeed("location: %s", path) + report_indeed("[raw] %4i", #luanames) + report_indeed("[compiled] %4i", #lucnames) + report_indeed("[other] %4i", #rest) + report_indeed("[total] %4i", #luanames + #lucnames + #rest) +end + +--- string -> string -> string list -> bool -> bool +local purge_from_cache = function (category, path, list, all) + report("info", 2, "cache", "Luaotfload cache: %s %s", + (all and "erase" or "purge"), category) + report("info", 2, "cache", "location: %s",path) + local n = 0 + for i=1,#list do + local filename = list[i] + if string.find(filename,"luatex%-cache") then -- safeguard + if all then + report("info", 5, "cache", "removing %s", filename) + os.remove(filename) + n = n + 1 + else + local suffix = file.suffix(filename) + if suffix == "lua" then + local checkname = file.replacesuffix( + filename, "lua", "luc") + if lfs.isfile(checkname) then + report("info", 5, "cache", "removing %s", filename) + os.remove(filename) + n = n + 1 + end + end + end + end + end + report("info", 2, "cache", "removed lua files : %i", n) + return true +end +--- string -> string list -> int -> string list -> string list -> string list -> +--- (string list * string list * string list * string list) +local collect_cache collect_cache = function (path, all, n, luanames, + lucnames, rest) + if not all then + local all = dirglob(path .. "/**/*") + local luanames, lucnames, rest = { }, { }, { } + return collect_cache(nil, all, 1, luanames, lucnames, rest) + end + + local filename = all[n] + if filename then + local suffix = file.suffix(filename) + if suffix == "lua" then + luanames[#luanames+1] = filename + elseif suffix == "luc" then + lucnames[#lucnames+1] = filename + else + rest[#rest+1] = filename + end + return collect_cache(nil, all, n+1, luanames, lucnames, rest) + end + return luanames, lucnames, rest, all +end + +--- unit -> unit +local purge_cache = function ( ) + local writable_path = caches.getwritablepath() + local luanames, lucnames, rest = collect_cache(writable_path) + if logs.get_loglevel() > 1 then + print_cache("writable path", writable_path, luanames, lucnames, rest) + end + local success = purge_from_cache("writable path", writable_path, luanames, false) + return success +end + +--- unit -> unit +local erase_cache = function ( ) + local writable_path = caches.getwritablepath() + local luanames, lucnames, rest, all = collect_cache(writable_path) + if logs.get_loglevel() > 1 then + print_cache("writable path", writable_path, luanames, lucnames, rest) + end + local success = purge_from_cache("writable path", writable_path, all, true) + return success +end + +local separator = function ( ) + report("info", 0, string.rep("-", 67)) +end + +--- unit -> unit +local show_cache = function ( ) + local readable_paths = caches.getreadablepaths() + local writable_path = caches.getwritablepath() + local luanames, lucnames, rest = collect_cache(writable_path) + + separator() + print_cache("writable path", writable_path, luanames, lucnames, rest) + texiowrite_nl"" + for i=1,#readable_paths do + local readable_path = readable_paths[i] + if readable_path ~= writable_path then + local luanames, lucnames = collect_cache(readable_path) + print_cache("readable path", + readable_path,luanames,lucnames,rest) + end + end + separator() + return true +end + +--- is this used anywhere? we decided to comment it for the +--- time being. +--- https://github.com/lualatex/luaotfload/pull/61 --scan_external_dir = function (dir) -- local old_names, new_names -- if fonts_loaded then @@ -1524,8 +1647,11 @@ end -- return n_scanned, n_new --end +----------------------------------------------------------------------- --- export functionality to the namespace “fonts.names” -names.flush_cache = flush_cache +----------------------------------------------------------------------- + +names.flush_cache = flush_cache --- concerns lookups names.save_lookups = save_lookups names.load = load_names names.save = save_names @@ -1534,6 +1660,11 @@ names.update = update_names names.crude_file_lookup = crude_file_lookup names.crude_file_lookup_verbose = crude_file_lookup_verbose +--- font cache +names.purge_cache = purge_cache +names.erase_cache = erase_cache +names.show_cache = show_cache + --- replace the resolver from luatex-fonts if config.luaotfload.resolver == "cached" then report("both", 2, "cache", "caching of name: lookups active") |