diff options
Diffstat (limited to 'src/luaotfload-database.lua')
| -rw-r--r-- | src/luaotfload-database.lua | 63 |
1 files changed, 32 insertions, 31 deletions
diff --git a/src/luaotfload-database.lua b/src/luaotfload-database.lua index 1831ca3..381185b 100644 --- a/src/luaotfload-database.lua +++ b/src/luaotfload-database.lua @@ -454,22 +454,19 @@ end --- define locals in scope local access_font_index local collect_families -local font_file_lookup local find_closest local flush_lookup_cache local generate_filedata local get_font_filter local group_modifiers -local load_lookups local load_names +local lookup_font_name local getmetadata local order_design_sizes local ot_fullinfo local read_blacklist local reload_db -local resolve_cached -local resolve_fullpath -local resolve_name +local lookup_fullpath local save_lookups local save_names local set_font_filter @@ -558,6 +555,7 @@ getmetadata = function () end --- unit -> unit +local load_lookups load_lookups = function ( ) local foundname, data = load_lua_file(config.luaotfload.paths.lookup_path_lua) if data then @@ -638,7 +636,7 @@ end --[[doc-- - font_file_lookup -- The ``file:`` are ultimately delegated here. + lookup_font_file -- The ``file:`` are ultimately delegated here. The lookups are kind of a blunt instrument since they try locating the file using every conceivable method, which is quite inefficient. Nevertheless, resolving files that way is rarely the @@ -647,7 +645,8 @@ end --doc]]-- --- string -> string * string * bool -font_file_lookup = function (filename) +local lookup_font_file +lookup_font_file = function (filename) local found = lookup_filename (filename) if not found then @@ -667,7 +666,7 @@ font_file_lookup = function (filename) if not fonts_reloaded and config.luaotfload.db.update_live == true then return reload_db (stringformat ("File not found: %s.", filename), - font_file_lookup, + lookup_font_file, filename) end return filename, nil, false @@ -715,7 +714,7 @@ font managment we have to check both the system path and the texmf. --doc]]-- local verify_font_file = function (basename) - local path = resolve_fullpath (basename) + local path = lookup_fullpath (basename) if path and lfsisfile(path) then return true end @@ -748,7 +747,7 @@ Idk what the “spec” resolver is for. spec: name, sub resolved, sub, name, forced [*] name: contains both the name resolver from luatex-fonts and - resolve_name() below + lookup_font_name () below From my reading of font-def.lua, what a resolver does is basically rewrite the “name” field of the specification record @@ -777,7 +776,8 @@ local hash_request = function (specification) end --- 'a -> 'a -> table -> (string * int|boolean * boolean) -resolve_cached = function (specification) +local lookup_font_name_cached +lookup_font_name_cached = function (specification) if not lookup_cache then load_lookups () end local request = hash_request(specification) report("both", 4, "cache", "Looking for %q in cache ...", @@ -801,7 +801,7 @@ resolve_cached = function (specification) --- case 2) cache negative ---------------------------------------- --- first we resolve normally ... - local filename, subfont = resolve_name (specification) + local filename, subfont = lookup_font_name (specification) if not filename then return nil, nil end @@ -935,13 +935,13 @@ end --[[doc-- - resolve_familyname -- Query the families table for an entry + lookup_familyname -- Query the families table for an entry matching the specification. The parameters “name” and “style” are pre-sanitized. --doc]]-- --- spec -> string -> string -> int -> string * int -local resolve_familyname = function (specification, name, style, askedsize) +local lookup_familyname = function (specification, name, style, askedsize) local families = name_index.families local mappings = name_index.mappings local candidates = nil @@ -978,7 +978,7 @@ local resolve_familyname = function (specification, name, style, askedsize) return resolved, subfont end -local resolve_fontname = function (specification, name, style) +local lookup_fontname = function (specification, name, style) local mappings = name_index.mappings local fallback = nil local lastresort = nil @@ -1021,7 +1021,7 @@ end --[[doc-- - resolve_name -- Perform a name: lookup. This first queries the + lookup_font_name -- Perform a name: lookup. This first queries the font families table and, if there is no match for the spec, the font names table. The return value is a pair consisting of the file name and the @@ -1059,7 +1059,7 @@ end multiple design sizes to a given font/style combination, we put a workaround in place that chooses that unmarked version. - The first return value of “resolve_name” is the file name of the + The first return value of “lookup_font_name” is the file name of the requested font (string). It can be passed to the fullname resolver get_font_file(). The second value is either “false” or an integer indicating the @@ -1068,7 +1068,7 @@ end --doc]]-- --- table -> string * (int | bool) -resolve_name = function (specification) +lookup_font_name = function (specification) local resolved, subfont if not name_index then name_index = load_names () end local name = sanitize_fontname (specification.name) @@ -1086,28 +1086,28 @@ resolve_name = function (specification) end end - resolved, subfont = resolve_familyname (specification, - name, - style, - askedsize) + resolved, subfont = lookup_familyname (specification, + name, + style, + askedsize) if not resolved then - resolved, subfont = resolve_fontname (specification, - name, - style) + resolved, subfont = lookup_fontname (specification, + name, + style) end if not resolved then if not fonts_reloaded and config.luaotfload.db.update_live == true then return reload_db (stringformat ("Font %s not found.", specification.name or "<?>"), - resolve_name, + lookup_font_name, specification) end end return resolved, subfont end -resolve_fullpath = function (fontname, ext) --- getfilename() +lookup_fullpath = function (fontname, ext) --- getfilename() if not name_index then name_index = load_names () end local files = name_index.files local basedata = files.base @@ -3449,17 +3449,18 @@ names.access_font_index = access_font_index names.data = function () return name_index end names.save = save_names names.update = update_names -names.font_file_lookup = font_file_lookup +names.lookup_font_file = lookup_font_file +names.lookup_font_name = lookup_font_name +names.lookup_font_name_cached = lookup_font_name_cached +names.getfilename = lookup_fullpath +names.lookup_fullpath = lookup_fullpath names.read_blacklist = read_blacklist names.sanitize_fontname = sanitize_fontname -names.getfilename = resolve_fullpath names.getmetadata = getmetadata names.set_location_precedence = set_location_precedence names.count_font_files = count_font_files names.nth_font_filename = nth_font_filename names.font_slice = font_slice -names.resolve_cached = resolve_cached -names.resolve_name = resolve_name --- font cache names.purge_cache = purge_cache |