diff options
Diffstat (limited to 'otfl-font-nms.lua')
| -rw-r--r-- | otfl-font-nms.lua | 145 |
1 files changed, 41 insertions, 104 deletions
diff --git a/otfl-font-nms.lua b/otfl-font-nms.lua index aeba0f1..7e08919 100644 --- a/otfl-font-nms.lua +++ b/otfl-font-nms.lua @@ -3,73 +3,44 @@ -- -- It is part of the luaotfload bundle, see luaotfload's README for legal -- notice. - --- some usual initializations -luaotfload = luaotfload or { } -luaotfload.fonts = { } - -luaotfload.fonts.module = { - name = "luaotfload.fonts", - version = 1.001, - date = "2010/01/12", - description = "luaotfload font database.", - author = "Khaled Hosny and Elie Roux", - copyright = "Luaotfload Development Team", - license = "CC0" +if not modules then modules = { } end modules ['font-nms'] = { + version = 1.002, + comment = "companion to luaotfload.lua", + author = "Khaled Hosny and Elie Roux", + copyright = "Luaotfload Development Team", + license = "GPL" } -kpse.set_program_name("luatex") +fonts = fonts or { } +fonts.names = fonts.names or { } -local luaextra_file = kpse.find_file("luaextra.lua") -if not luaextra_file then - texio.write_nl("Error: cannot find 'luaextra.lua', exiting.") - os.exit(1) -end -dofile(luaextra_file) +local names = fonts.names local splitpath, expandpath, glob, basename = file.split_path, kpse.expand_path, dir.glob, file.basename local upper, format, rep = string.upper, string.format, string.rep -function kpse.do_file(name) - return dofile(kpse.find_file(name)) -end - --- the file name of the font database -luaotfload.fonts.basename = "otfl-names.lua" - --- the path to add to TEXMFVAR or TEXMFSYSVAR to get the final directory in --- normal cases -luaotfload.fonts.subtexmfvardir = "/tex/" - --- the directory in which the database will be saved, can be overwritten -luaotfload.fonts.directory = kpse.expand_var("$TEXMFVAR") .. luaotfload.fonts.subtexmfvardir - --- the version of the database, to be checked by the lookup function of --- luaotfload -luaotfload.fonts.version = 2.004 - -- Log facilities: -- - level 0 is quiet -- - level 1 is the progress bar -- - level 2 prints the searched directories -- - level 3 prints all the loaded fonts -- - level 4 prints all informations when searching directories (debug only) -luaotfload.fonts.log_level = 1 +names.log_level = 1 local lastislog = 0 -function luaotfload.fonts.log(lvl, fmt, ...) - if lvl <= luaotfload.fonts.log_level then +function names.log(lvl, fmt, ...) + if lvl <= names.log_level then lastislog = 1 texio.write_nl(format("luaotfload | %s", format(fmt,...))) end end -local log = luaotfload.fonts.log +local log = names.log -- The progress bar local function progress(current, total) - if luaotfload.fonts.log_level == 1 then + if names.log_level == 1 then -- local width = os.getenv("COLUMNS") -2 --doesn't work local width = 78 local percent = current/total @@ -129,16 +100,17 @@ function fontloader.fullinfo(...) return t end -local function load_font(filename, names, texmf) +local function load_font(filename, fontnames, texmf) log(3, "Loading font: %s", filename) - local mappings = names.mappings or { } - local families = names.families or { } - local checksums = names.checksums or { } + local database = fontnames + local mappings = database.mappings or { } + local families = database.families or { } + local checksums = database.checksums or { } if filename then local checksum = file.checksum(filename) if checksums[checksum] and checksums[checksum] == filename then log(3, "Font already indexed: %s", filename) - return + return fontnames end checksums[checksum] = filename local info = fontloader.info(filename) @@ -177,10 +149,8 @@ local function load_font(filename, names, texmf) else log(1, "Failed to load %s", filename) end - names.mappings = names.mappings or mappings - names.families = names.families or families - names.checksums = names.checksums or checksums end + return database end -- We need to detect the OS (especially cygwin) to convert paths. @@ -222,10 +192,7 @@ end -- in this script) -- - texmf is a boolean saying if we are scanning a texmf directory (always -- true in this script) --- - scanned_fonts contains the list of alread scanned fonts, in order for them --- not to be scanned twice. The function populates this list with the --- fonts it scans. -local function scan_dir(dirname, names, recursive, texmf, scanned_fonts) +local function scan_dir(dirname, fontnames, recursive, texmf) local list, found = { }, { } local nbfound = 0 for _,ext in ipairs { "otf", "ttf", "ttc", "dfont" } do @@ -245,22 +212,19 @@ local function scan_dir(dirname, names, recursive, texmf, scanned_fonts) log(2, "%d fonts found in '%s'", nbfound, dirname) for _,fnt in ipairs(list) do fnt = path_normalize(fnt) - if not scanned_fonts[fnt] then - load_font(fnt, names, texmf) - scanned_fonts[fnt] = true - end + fontnames = load_font(fnt, fontnames, texmf) end + return fontnames end -- The function that scans all fonts in the texmf tree, through kpathsea -- variables OPENTYPEFONTS and TTFONTS of texmf.cnf -local function scan_texmf_tree(names) +local function scan_texmf_tree(fontnames) if expandpath("$OSFONTDIR"):is_empty() then log(1, "Scanning TEXMF fonts:") else log(1, "Scanning TEXMF and OS fonts:") end - local scanned_fonts = {} local fontdirs = expandpath("$OPENTYPEFONTS") fontdirs = fontdirs .. string.gsub(expandpath("$TTFONTS"), "^\.", "") if not fontdirs:is_empty() then @@ -273,12 +237,12 @@ local function scan_texmf_tree(names) if not explored_dirs[d] then count = count + 1 progress(count, #fontdirs) - scan_dir(d, names, false, true, scanned_fonts) + fontnames = scan_dir(d, fontnames, false, true) explored_dirs[d] = true end end end - return scanned_fonts + return fontnames end -- this function takes raw data returned by fc-list, parses it, normalizes the @@ -299,7 +263,7 @@ end -- only if OSFONTDIR is empty (which is the case under most Unix by default). -- If OSFONTDIR is non-empty, this means that the system fonts it contains have -- already been scanned, and thus we don't scan them again. -local function scan_os_fonts(names, scanned_fonts) +local function scan_os_fonts(fontnames) if expandpath("$OSFONTDIR"):is_empty() then log(1, "Scanning system fonts:") log(2, "Executing 'fc-list : file'") @@ -313,12 +277,10 @@ local function scan_os_fonts(names, scanned_fonts) for _,fnt in ipairs(list) do count = count + 1 progress(count, #list) - if not scanned_fonts[fnt] then - load_font(fnt, names, false) - scanned_fonts[fnt] = true - end + fontnames = load_font(fnt, fontnames, false) end end + return fontnames end local function fontnames_init() @@ -326,50 +288,25 @@ local function fontnames_init() mappings = { }, families = { }, checksums = { }, - version = luaotfload.fonts.version, + version = names.version, } end --- The main function, scans everything and writes the file. -local function reload(force) - texio.write("luaotfload | Generating font names database.") - local fnames +-- The main function, scans everything +local function update(fontnames,force) if force then - fnames = fontnames_init() + fontnames = fontnames_init() else - fnames = kpse.do_file(luaotfload.fonts.basename) - if fnames and fnames.version and fnames.version == luaotfload.fonts.version then + if fontnames and fontnames.version and fontnames.version == names.version then else log(2, "Old font names database version, generating new one") - fnames = fontnames_init() + fontnames = fontnames_init() end end - local savepath = luaotfload.fonts.directory - savepath = path_normalize(savepath) - if not lfs.isdir(savepath) then - log(1, "Creating directory %s", savepath) - lfs.mkdir(savepath) - if not lfs.isdir(savepath) then - texio.write_nl(string.format("Error: cannot create directory '%s', exiting.\n", savepath)) - os.exit(1) - end - end - savepath = savepath .. '/' .. luaotfload.fonts.basename - local fh = io.open(savepath, 'a+') - if not fh then - texio.write_nl(string.format("Error: cannot write file '%s', exiting.\n", savepath)) - os.exit(1) - end - fh:close() - -- we save the scanned fonts in a variable in order for scan_os_fonts - -- not to rescan them - local scanned_fonts = scan_texmf_tree(fnames) - scan_os_fonts (fnames, scanned_fonts) - log(1, "%s fonts in %s families saved in the database", - #fnames.mappings, #table.keys(fnames.families)) - io.savedata(savepath, table.serialize(fnames, true)) - log(1, "Saved font names database in %s\n", savepath) + fontnames = scan_texmf_tree(fontnames) + fontnames = scan_os_fonts (fontnames) + return fontnames end -luaotfload.fonts.scan = scan_dir -luaotfload.fonts.reload = reload +names.scan = scan_dir +names.update = update |