diff options
Diffstat (limited to 'src/luaotfload-init.lua')
| -rw-r--r-- | src/luaotfload-init.lua | 198 |
1 files changed, 163 insertions, 35 deletions
diff --git a/src/luaotfload-init.lua b/src/luaotfload-init.lua index a493cc1..0f7464a 100644 --- a/src/luaotfload-init.lua +++ b/src/luaotfload-init.lua @@ -4,12 +4,11 @@ -- DESCRIPTION: Luaotfload font loader initialization -- REQUIREMENTS: luatex v.0.80 or later; packages lualibs, luatexbase -- AUTHOR: Philipp Gesang (Phg), <phg@phi-gamma.net> --- VERSION: 1.0 --- CREATED: 2015-05-26 07:50:54+0200 ----------------------------------------------------------------------- -- local setmetatable = setmetatable +local kpselookup = kpse.lookup --[[doc-- @@ -38,8 +37,8 @@ local logreport --- filled in after loading the log module --[[doc-- \subsection{Preparing the Font Loader} - We treat the fontloader as a black box so behavior is consistent - between formats. + We treat the fontloader as a semi-black box so behavior is + consistent between formats. We load the fontloader code directly in the same fashion as the Plain format \identifier{luatex-fonts} that is part of Context. How this is executed depends on the presence on the @@ -183,6 +182,78 @@ local pop_namespaces = function (normalglobal, end end +--- below paths are relative to the texmf-context +local ltx = "tex/generic/context/luatex" +local ctx = "tex/context/base" + +local context_modules = { + + --- Since 2.6 those are directly provided by the Lualibs package. + { false, "l-lua" }, + { false, "l-lpeg" }, + { false, "l-function" }, + { false, "l-string" }, + { false, "l-table" }, + { false, "l-io" }, + { false, "l-file" }, + { false, "l-boolean" }, + { false, "l-math" }, + { false, "util-str" }, + + --- These constitute the fontloader proper. + { ltx, "luatex-basics-gen" }, + { ctx, "data-con" }, + { ltx, "luatex-basics-nod" }, + { ctx, "font-ini" }, + { ctx, "font-con" }, + { ltx, "luatex-fonts-enc" }, + { ctx, "font-cid" }, + { ctx, "font-map" }, + { ltx, "luatex-fonts-syn" }, + { ltx, "luatex-fonts-tfm" }, + { ctx, "font-oti" }, + { ctx, "font-otf" }, + { ctx, "font-otb" }, + { ltx, "luatex-fonts-inj" }, --> since 2014-01-07, replaces node-inj.lua + { ltx, "luatex-fonts-ota" }, + { ltx, "luatex-fonts-otn" }, --> since 2014-01-07, replaces font-otn.lua + { ctx, "font-otp" }, --> since 2013-04-23 + { ltx, "luatex-fonts-lua" }, + { ctx, "font-def" }, + { ltx, "luatex-fonts-def" }, + { ltx, "luatex-fonts-ext" }, + { ltx, "luatex-fonts-cbk" }, + +} --[[context_modules]] + +local load_context_modules = function (pth) + + local load_module = luaotfload.loaders.context + local ignore_module = luaotfload.loaders.ignore + + logreport ("both", 2, "init", + "Loading fontloader components from context.") + local n = #context_modules + for i = 1, n do + local sub, spec = unpack (context_modules [i]) + if sub == false then + ignore_module (spec) + elseif type (sub) == "string" then + if pth then + load_module (spec, file.join (pth, sub)) + else + load_module (spec) + end + else + logreport ("both", 0, "init", + "Internal error, please report. \z + This is not your fault.") + os.exit (-1) + end + end + +end + local init_adapt = function () local context_environment = { } @@ -205,6 +276,7 @@ end --- [init_adapt] local init_main = function () local load_fontloader_module = luaotfload.loaders.fontloader + local ignore_module = luaotfload.loaders.ignore --[[doc-- @@ -216,49 +288,103 @@ local init_main = function () --doc]]-- - load_fontloader_module (luaotfload.fontloader_package) + local fontloader = config.luaotfload and config.luaotfload.run.fontloader + or "reference" + fontloader = tostring (fontloader) - ---load_fontloader_module "font-odv.lua" --- <= Devanagari support from Context + if fontloader == "reference" or fontloader == "default" then + logreport ("log", 4, "init", "Using reference fontloader.") + load_fontloader_module (luaotfload.fontloader_package) - if not fonts then - --- the loading sequence is known to change, so this might have to - --- be updated with future updates! - --- do not modify it though unless there is a change to the merged - --- package! - load_fontloader_module "l-lua" - load_fontloader_module "l-lpeg" - load_fontloader_module "l-function" - load_fontloader_module "l-string" - load_fontloader_module "l-table" - load_fontloader_module "l-io" - load_fontloader_module "l-file" - load_fontloader_module "l-boolean" - load_fontloader_module "l-math" - load_fontloader_module "util-str" - load_fontloader_module "luatex-basics-gen" + elseif fontloader == "unpackaged" then + logreport ("both", 4, "init", + "Loading fontloader components individually.") + --- The loading sequence is known to change, so this might have to be + --- updated with future updates. Do not modify it though unless there is + --- a change to the upstream package! + + --- Since 2.6 those are directly provided by the Lualibs package. + ignore_module "l-lua" + ignore_module "l-lpeg" + ignore_module "l-function" + ignore_module "l-string" + ignore_module "l-table" + ignore_module "l-io" + ignore_module "l-file" + ignore_module "l-boolean" + ignore_module "l-math" + ignore_module "util-str" + ignore_module "luatex-basics-gen" + + --- These constitute the fontloader proper. load_fontloader_module "data-con" - load_fontloader_module "luatex-basics-nod" + load_fontloader_module "basics-nod" load_fontloader_module "font-ini" load_fontloader_module "font-con" - load_fontloader_module "luatex-fonts-enc" + load_fontloader_module "fonts-enc" load_fontloader_module "font-cid" load_fontloader_module "font-map" - load_fontloader_module "luatex-fonts-syn" - load_fontloader_module "luatex-fonts-tfm" + load_fontloader_module "fonts-syn" + load_fontloader_module "fonts-tfm" load_fontloader_module "font-oti" load_fontloader_module "font-otf" load_fontloader_module "font-otb" - load_fontloader_module "luatex-fonts-inj" --> since 2014-01-07, replaces node-inj.lua - load_fontloader_module "luatex-fonts-ota" - load_fontloader_module "luatex-fonts-otn" --> since 2014-01-07, replaces font-otn.lua - load_fontloader_module "font-otp" --> since 2013-04-23 - load_fontloader_module "luatex-fonts-lua" + load_fontloader_module "fonts-inj" --> since 2014-01-07, replaces node-inj.lua + load_fontloader_module "fonts-ota" + load_fontloader_module "fonts-otn" --> since 2014-01-07, replaces font-otn.lua + load_fontloader_module "font-otp" --> since 2013-04-23 + load_fontloader_module "fonts-lua" load_fontloader_module "font-def" - load_fontloader_module "luatex-fonts-def" - load_fontloader_module "luatex-fonts-ext" - load_fontloader_module "luatex-fonts-cbk" - end --- non-merge fallback scope + load_fontloader_module "fonts-def" + load_fontloader_module "fonts-ext" + load_fontloader_module "fonts-cbk" + + elseif fontloader == "context" then + logreport ("both", 2, "init", + "Attempting to load Context modules in lookup path.") + load_context_modules () + + elseif lfs.isdir (fontloader) then + logreport ("both", 2, "init", + "Attempting to load Context files under prefix “%s”.", + fontloader) + load_context_modules (fontloader) + + elseif lfs.isfile (fontloader) then + logreport ("both", 2, "init", + "Attempting to load fontloader from absolute path “%s”.", + fontloader) + local _void = require (fontloader) + + elseif kpselookup (fontloader) then + local pth = kpselookup (fontloader) + logreport ("both", 2, "init", + "Attempting to load fontloader “%s” from kpse-resolved path “%s”.", + fontloader, path) + local _void = require (path) + + elseif fontloader then + logreport ("log", 4, "init", + "Using predefined fontloader “%s”.", + fontloader) + load_fontloader_module (fontloader) + + else + logreport ("log", 4, "init", + "No match for requested fontloader “%s”.", + fontloader) + fontloader = luaotfload.fontloader_package + logreport ("log", 4, "init", + "Defaulting to predefined fontloader “%s”.", + fontloader) + load_fontloader_module (fontloader) + end + + ---load_fontloader_module "font-odv.lua" --- <= Devanagari support from Context + logreport ("both", 0, "init", + "Context OpenType loader version “%s”", + fonts.handlers.otf.version) end --- [init_main] local init_cleanup = function (store) @@ -431,6 +557,8 @@ return { os.gettimeofday() - starttime) local n = init_post () logreport ("both", 5, "init", "post hook terminated, %d actions performed", n) + return true end } +-- vim:tw=79:sw=2:ts=2:expandtab |