From 3c7d3b4817ea273b48f15e556c5978765a7b981d Mon Sep 17 00:00:00 2001 From: Philipp Gesang Date: Sat, 11 May 2013 14:10:56 +0200 Subject: implement ``--dry-run`` for filesystem tracing --- luaotfload-database.lua | 71 ++++++++++++++++++++++++++++++++----------------- 1 file changed, 46 insertions(+), 25 deletions(-) (limited to 'luaotfload-database.lua') diff --git a/luaotfload-database.lua b/luaotfload-database.lua index ac10d20..60a7977 100644 --- a/luaotfload-database.lua +++ b/luaotfload-database.lua @@ -259,8 +259,8 @@ local fonts_reloaded = false --- limit output when approximate font matching (luaotfload-tool -F) local fuzzy_limit = 1 --- display closest only ---- unit -> dbobj -load_names = function ( ) +--- bool? -> dbobj +load_names = function (dry_run) local starttime = os.gettimeofday() local foundname, data = load_lua_file(names.path.path) @@ -273,7 +273,7 @@ load_names = function ( ) report("both", 0, "db", [[Font names database not found, generating new one. This can take several minutes; please be patient.]]) - data = update_names(fontnames_init(false)) + data = update_names(fontnames_init(false), nil, dry_run) local success = save_names(data) if not success then report("both", 0, "db", "Database creation unsuccessful.") @@ -868,7 +868,9 @@ end --- we return true if the fond is new or re-indexed --- string -> dbobj -> dbobj -> bool local load_font = function (fullname, fontnames, newfontnames) - if not fullname then return false end + if not fullname then + return false + end local newmappings = newfontnames.mappings local newstatus = newfontnames.status @@ -1070,15 +1072,20 @@ for key, value in next, font_extensions do font_extensions_set[value] = true end ---- string -> dbobj -> dbobj -> bool -> (int * int) -local scan_dir = function (dirname, fontnames, newfontnames) - --[[ - This function scans a directory and populates the list of fonts +--[[doc-- + + scan_dir() scans a directory and populates the list of fonts with all the fonts it finds. - - dirname is the name of the directory to scan - - names is the font database to fill -> no such term!!! - - texmf used to be a boolean saying if we are scanning a texmf directory - ]] + + · dirname : name of the directory to scan + · fontnames : current font db object + · newnames : font db object to fill + · dry_run : don’t touch anything + +--doc]]-- + +--- string -> dbobj -> dbobj -> bool -> (int * int) +local scan_dir = function (dirname, fontnames, newfontnames, dry_run) local n_scanned, n_new = 0, 0 --- total of fonts collected report("both", 2, "db", "scanning directory %s", dirname) for _,i in next, font_extensions do @@ -1092,9 +1099,16 @@ local scan_dir = function (dirname, fontnames, newfontnames) for j=1, n_found do local fullname = found[j] fullname = path_normalize(fullname) - report("both", 4, "db", "loading font “%s”", fullname) - local new = load_font(fullname, fontnames, newfontnames) - if new then n_new = n_new + 1 end + local new + if dry_run == true then + report("both", 1, "db", "would have been loading “%s”", fullname) + else + report("both", 4, "db", "loading font “%s”", fullname) + local new = load_font(fullname, fontnames, newfontnames) + if new == true then + n_new = n_new + 1 + end + end end end end @@ -1102,7 +1116,8 @@ local scan_dir = function (dirname, fontnames, newfontnames) return n_scanned, n_new end -local function scan_texmf_fonts(fontnames, newfontnames) +--- dbobj -> dbobj -> bool? -> (int * int) +local scan_texmf_fonts = function (fontnames, newfontnames, dry_run) local n_scanned, n_new = 0, 0 --[[ This function scans all fonts in the texmf tree, through kpathsea @@ -1118,7 +1133,7 @@ local function scan_texmf_fonts(fontnames, newfontnames) if not stringis_empty(fontdirs) then for _,d in next, filesplitpath(fontdirs) do report("info", 4, "db", "Entering directory %s", d) - local found, new = scan_dir(d, fontnames, newfontnames) + local found, new = scan_dir(d, fontnames, newfontnames, dry_run) n_scanned = n_scanned + found n_new = n_new + new end @@ -1352,6 +1367,7 @@ do --- closure for read_fonts_conf() end --- read_fonts_conf closure --- TODO stuff those paths into some writable table +--- unit -> string list local function get_os_dirs() if os.name == 'macosx' then return { @@ -1374,7 +1390,8 @@ local function get_os_dirs() return {} end -local function scan_os_fonts(fontnames, newfontnames) +--- dbobj -> dbobj -> bool? -> (int * int) +local scan_os_fonts = function (fontnames, newfontnames, dry_run) local n_scanned, n_new = 0, 0 --[[ This function scans the OS fonts through @@ -1384,14 +1401,15 @@ local function scan_os_fonts(fontnames, newfontnames) ]] report("info", 2, "db", "Scanning OS fonts...") report("info", 3, "db", "Searching in static system directories...") - for _,d in next, get_os_dirs() do - local found, new = scan_dir(d, fontnames, newfontnames) + for _, d in next, get_os_dirs() do + local found, new = scan_dir(d, fontnames, newfontnames, dry_run) n_scanned = n_scanned + found n_new = n_new + new end return n_scanned, n_new end +--- unit -> (bool, lookup_cache) flush_lookup_cache = function () if not names.lookups then names.lookups = load_lookups() end names.lookups = { } @@ -1399,8 +1417,11 @@ flush_lookup_cache = function () return true, names.lookups end ---- dbobj -> bool -> dbobj -update_names = function (fontnames, force) +--- force: dictate rebuild from scratch +--- dry_dun: don’t write to the db, just scan dirs + +--- dbobj? -> bool? -> bool? -> dbobj +update_names = function (fontnames, force, dry_run) if config.luaotfload.update_live == false then report("info", 2, "db", "skipping database update") @@ -1421,7 +1442,7 @@ update_names = function (fontnames, force) fontnames = fontnames_init(false) else if not fontnames then - fontnames = load_names() + fontnames = load_names(dry_run) end if fontnames.version ~= names.version then report("both", 1, "db", "No font names database or old " @@ -1433,11 +1454,11 @@ update_names = function (fontnames, force) read_blacklist() local scanned, new - scanned, new = scan_texmf_fonts(fontnames, newfontnames) + scanned, new = scan_texmf_fonts(fontnames, newfontnames, dry_run) n_scanned = n_scanned + scanned n_new = n_new + new - scanned, new = scan_os_fonts(fontnames, newfontnames) + scanned, new = scan_os_fonts(fontnames, newfontnames, dry_run) n_scanned = n_scanned + scanned n_new = n_new + new -- cgit v1.2.3