Add otfl-fonts-syn.lua for simplicity

It is almost useless for us, we override its main function in in
otfl-font-nms.lua.

2 files changed, 84 insertions, 0 deletions

diff --git a/luaotfload.dtx b/luaotfload.dtx
index 5cbabc3..24e82c3 100644
--- a/luaotfload.dtx
+++ b/luaotfload.dtx
@@ -582,6 +582,7 @@ luaotfload.loadmodule('font-con.lua')
 luaotfload.loadmodule('fonts-enc.lua') -- will load font-age on demand
 luaotfload.loadmodule('font-cid.lua')
 luaotfload.loadmodule('font-map.lua')         -- for loading lum file (will be stripped)
+luaotfload.loadmodule('fonts-syn.lua')
 luaotfload.loadmodule('font-nms.lua')
 luaotfload.loadmodule('fonts-tfm.lua')
 luaotfload.loadmodule('font-oti.lua')
diff --git a/otfl-fonts-syn.lua b/otfl-fonts-syn.lua
new file mode 100644
index 0000000..36a74d0
--- /dev/null
+++ b/otfl-fonts-syn.lua
@@ -0,0 +1,83 @@
+if not modules then modules = { } end modules ['luatex-fonts-syn'] = {
+    version   = 1.001,
+    comment   = "companion to luatex-*.tex",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+if context then
+    texio.write_nl("fatal error: this module is not for context")
+    os.exit()
+end
+
+-- Generic font names support.
+--
+-- Watch out, the version number is the same as the one used in
+-- the mtx-fonts.lua function scripts.fonts.names as we use a
+-- simplified font database in the plain solution and by using
+-- a different number we're less dependent on context.
+--
+-- mtxrun --script font --reload --simple
+--
+-- The format of the file is as follows:
+--
+-- return {
+--     ["version"]  = 1.001,
+--     ["mappings"] = {
+--         ["somettcfontone"] = { "Some TTC Font One", "SomeFontA.ttc", 1 },
+--         ["somettcfonttwo"] = { "Some TTC Font Two", "SomeFontA.ttc", 2 },
+--         ["somettffont"]    = { "Some TTF Font",     "SomeFontB.ttf"    },
+--         ["someotffont"]    = { "Some OTF Font",     "SomeFontC.otf"    },
+--     },
+-- }
+
+local fonts = fonts
+fonts.names = fonts.names or { }
+
+fonts.names.version    = 1.001 -- not the same as in context
+fonts.names.basename   = "luatex-fonts-names.lua"
+fonts.names.new_to_old = { }
+fonts.names.old_to_new = { }
+
+local data, loaded = nil, false
+
+local fileformats = { "lua", "tex", "other text files" }
+
+function fonts.names.resolve(name,sub)
+    if not loaded then
+        local basename = fonts.names.basename
+        if basename and basename ~= "" then
+            for i=1,#fileformats do
+                local format = fileformats[i]
+                local foundname = resolvers.findfile(basename,format) or ""
+                if foundname ~= "" then
+                    data = dofile(foundname)
+                    texio.write("<font database loaded: ",foundname,">")
+                    break
+                end
+            end
+        end
+        loaded = true
+    end
+    if type(data) == "table" and data.version == fonts.names.version then
+        local condensed = string.gsub(string.lower(name),"[^%a%d]","")
+        local found = data.mappings and data.mappings[condensed]
+        if found then
+            local fontname, filename, subfont = found[1], found[2], found[3]
+            if subfont then
+                return filename, fontname
+            else
+                return filename, false
+            end
+        else
+            return name, false -- fallback to filename
+        end
+    end
+end
+
+fonts.names.resolvespec = fonts.names.resolve -- only supported in mkiv
+
+function fonts.names.getfilename(askedname,suffix)  -- only supported in mkiv
+    return ""
+end