-- we could consider taking more from 'tex-mr-missing'

-- This patch code is moved from font-pat.lua to this goodies
-- files as it does not belong in the core code.

-- This patch is no longer needed but we keep it commented as
-- it is an example.
--
-- local patches = fonts.handlers.otf.enhancers.patches
--
-- local function patch(data,filename)
--     local uni_to_ind = data.map.map
--     if not uni_to_ind[0x391] then
--         -- beware, this is a hack, features for latin often don't apply to greek
--         -- but lm has not much features anyway (and only greek for math)
--         patches.report("adding 13 greek capitals")
--         uni_to_ind[0x391] = uni_to_ind[0x41]
--         uni_to_ind[0x392] = uni_to_ind[0x42]
--         uni_to_ind[0x395] = uni_to_ind[0x45]
--         uni_to_ind[0x397] = uni_to_ind[0x48]
--         uni_to_ind[0x399] = uni_to_ind[0x49]
--         uni_to_ind[0x39A] = uni_to_ind[0x4B]
--         uni_to_ind[0x39C] = uni_to_ind[0x4D]
--         uni_to_ind[0x39D] = uni_to_ind[0x4E]
--         uni_to_ind[0x39F] = uni_to_ind[0x4F]
--         uni_to_ind[0x3A1] = uni_to_ind[0x52]
--         uni_to_ind[0x3A4] = uni_to_ind[0x54]
--         uni_to_ind[0x3A7] = uni_to_ind[0x58]
--         uni_to_ind[0x396] = uni_to_ind[0x5A]
--     end
-- end
--
-- patches.register("before","check extra features","^lmroman",     patch)
-- patches.register("before","check extra features","^lmsans",      patch)
-- patches.register("before","check extra features","^lmtypewriter",patch)

-- rm-lmr5  : LMMathRoman5-Regular
-- rm-lmbx5 : LMMathRoman5-Bold          ]
-- lmbsy5   : LMMathSymbols5-BoldItalic
-- lmsy5    : LMMathSymbols5-Italic
-- lmmi5    : LMMathItalic5-Italic
-- lmmib5   : LMMathItalic5-BoldItalic

local five = {
    { name = "lmroman5-regular.otf", features = "virtualmath", main = true },
    { name = "rm-lmr5.tfm", vector = "tex-mr-missing" } ,
    { name = "lmmi5.tfm", vector = "tex-mi", skewchar = 0x7F },
    { name = "lmmi5.tfm", vector = "tex-it", skewchar = 0x7F },
    { name = "lmsy5.tfm", vector = "tex-sy", skewchar = 0x30, parameters = true } ,
    { name = "lmex10.tfm", vector = "tex-ex", extension = true } ,
    { name = "msam5.tfm", vector = "tex-ma" },
    { name = "msbm5.tfm", vector = "tex-mb" },
    { name = "stmary10.afm", vector = "tex-mc" },
 -- { name = "rm-lmbx5.tfm", vector = "tex-bf" } ,
    { name = "lmroman5-bold", vector = "tex-bf" } ,
    { name = "lmmib5.tfm", vector = "tex-bi", skewchar = 0x7F } ,
    { name = "lmsans8-regular.otf", vector = "tex-ss", optional = true },
    { name = "lmmono8-regular.otf", vector = "tex-tt", optional = true },
    { name = "eufm5.tfm", vector = "tex-fraktur", optional = true },
}

-- rm-lmr6  : LMMathRoman6-Regular
-- rm-lmbx6 : LMMathRoman6-Bold
-- lmsy6    : LMMathSymbols6-Italic
-- lmmi6    : LMMathItalic6-Italic

local six = {
    { name = "lmroman6-regular.otf", features = "virtualmath", main = true },
    { name = "rm-lmr6.tfm", vector = "tex-mr-missing" } ,
    { name = "lmmi6.tfm", vector = "tex-mi", skewchar = 0x7F },
    { name = "lmmi6.tfm", vector = "tex-it", skewchar = 0x7F },
    { name = "lmsy6.tfm", vector = "tex-sy", skewchar = 0x30, parameters = true } ,
    { name = "lmex10.tfm", vector = "tex-ex", extension = true } ,
    { name = "msam5.tfm", vector = "tex-ma" },
    { name = "msbm5.tfm", vector = "tex-mb" },
    { name = "stmary10.afm", vector = "tex-mc" },
 -- { name = "rm-lmbx6.tfm", vector = "tex-bf" } ,
    { name = "lmroman6-bold.otf", vector = "tex-bf" } ,
    { name = "lmmib5.tfm", vector = "tex-bi", skewchar = 0x7F } ,
    { name = "lmsans8-regular.otf", vector = "tex-ss", optional = true },
    { name = "lmmono8-regular.otf", vector = "tex-tt", optional = true },
    { name = "eufm5.tfm", vector = "tex-fraktur", optional = true },
    { name = "eufb5.tfm", vector = "tex-fraktur-bold", optional = true },
}

-- rm-lmr7  : LMMathRoman7-Regular
-- rm-lmbx7 : LMMathRoman7-Bold
-- lmbsy7   : LMMathSymbols7-BoldItalic
-- lmsy7    : LMMathSymbols7-Italic
-- lmmi7    : LMMathItalic7-Italic
-- lmmib7   : LMMathItalic7-BoldItalic

local seven = {
    { name = "lmroman7-regular.otf", features = "virtualmath", main = true },
    { name = "rm-lmr7.tfm", vector = "tex-mr-missing" } ,
    { name = "lmmi7.tfm", vector = "tex-mi", skewchar = 0x7F },
    { name = "lmmi7.tfm", vector = "tex-it", skewchar = 0x7F },
    { name = "lmsy7.tfm", vector = "tex-sy", skewchar = 0x30, parameters = true } ,
    { name = "lmex10.tfm", vector = "tex-ex", extension = true } ,
    { name = "msam7.tfm", vector = "tex-ma" },
    { name = "msbm7.tfm", vector = "tex-mb" },
    { name = "stmary10.afm", vector = "tex-mc" },
 -- { name = "rm-lmbx7.tfm", vector = "tex-bf" } ,
    { name = "lmroman7-bold.otf", vector = "tex-bf" } ,
    { name = "lmmib7.tfm", vector = "tex-bi", skewchar = 0x7F } ,
    { name = "lmsans8-regular.otf", vector = "tex-ss", optional = true },
    { name = "lmmono8-regular.otf", vector = "tex-tt", optional = true },
    { name = "eufm7.tfm", vector = "tex-fraktur", optional = true },
    { name = "eufb7.tfm", vector = "tex-fraktur-bold", optional = true },
}

-- rm-lmr8  : LMMathRoman8-Regular
-- rm-lmbx8 : LMMathRoman8-Bold
-- lmsy8    : LMMathSymbols8-Italic
-- lmmi8    : LMMathItalic8-Italic

local eight = {
    { name = "lmroman8-regular.otf", features = "virtualmath", main = true },
    { name = "rm-lmr8.tfm", vector = "tex-mr-missing" } ,
    { name = "lmmi8.tfm", vector = "tex-mi", skewchar = 0x7F },
    { name = "lmmi8.tfm", vector = "tex-it", skewchar = 0x7F },
    { name = "lmsy8.tfm", vector = "tex-sy", skewchar = 0x30, parameters = true } ,
    { name = "lmex10.tfm", vector = "tex-ex", extension = true } ,
    { name = "msam7.tfm", vector = "tex-ma" },
    { name = "msbm7.tfm", vector = "tex-mb" },
    { name = "stmary10.afm", vector = "tex-mc" },
 -- { name = "rm-lmbx8.tfm", vector = "tex-bf" } ,
    { name = "lmroman8-bold.otf", vector = "tex-bf" } ,
    { name = "lmmib7.tfm", vector = "tex-bi", skewchar = 0x7F } ,
    { name = "lmsans8-regular.otf", vector = "tex-ss", optional = true },
    { name = "lmmono8-regular.otf", vector = "tex-tt", optional = true },
    { name = "eufm7.tfm", vector = "tex-fraktur", optional = true },
    { name = "eufb7.tfm", vector = "tex-fraktur-bold", optional = true },
}

-- rm-lmr9  : LMMathRoman9-Regular
-- rm-lmbx9 : LMMathRoman9-Bold
-- lmsy9    : LMMathSymbols9-Italic
-- lmmi9    : LMMathItalic9-Italic

local nine = {
    { name = "lmroman9-regular.otf", features = "virtualmath", main = true },
    { name = "rm-lmr9.tfm", vector = "tex-mr-missing" } ,
    { name = "lmmi9.tfm", vector = "tex-mi", skewchar = 0x7F },
    { name = "lmmi9.tfm", vector = "tex-it", skewchar = 0x7F },
    { name = "lmsy9.tfm", vector = "tex-sy", skewchar = 0x30, parameters = true } ,
    { name = "lmex10.tfm", vector = "tex-ex", extension = true } ,
    { name = "msam10.tfm", vector = "tex-ma" },
    { name = "msbm10.tfm", vector = "tex-mb" },
    { name = "stmary10.afm", vector = "tex-mc" },
 -- { name = "rm-lmbx9.tfm", vector = "tex-bf" } ,
    { name = "lmroman9-bold.otf", vector = "tex-bf" } ,
    { name = "lmmib10.tfm", vector = "tex-bi", skewchar = 0x7F } ,
    { name = "lmsans9-regular.otf", vector = "tex-ss", optional = true },
    { name = "lmmono9-regular.otf", vector = "tex-tt", optional = true },
    { name = "eufm10.tfm", vector = "tex-fraktur", optional = true },
    { name = "eufb10.tfm", vector = "tex-fraktur-bold", optional = true },
}

-- rm-lmr10  : LMMathRoman10-Regular
-- rm-lmbx10 : LMMathRoman10-Bold
-- lmbsy10   : LMMathSymbols10-BoldItalic
-- lmsy10    : LMMathSymbols10-Italic
-- lmex10    : LMMathExtension10-Regular
-- lmmi10    : LMMathItalic10-Italic
-- lmmib10   : LMMathItalic10-BoldItalic

local ten = {
    { name = "lmroman10-regular.otf", features = "virtualmath", main = true },
    { name = "rm-lmr10.tfm", vector = "tex-mr-missing" } ,
    { name = "lmmi10.tfm", vector = "tex-mi", skewchar = 0x7F },
    { name = "lmmi10.tfm", vector = "tex-it", skewchar = 0x7F },
    { name = "lmsy10.tfm", vector = "tex-sy", skewchar = 0x30, parameters = true } ,
    { name = "lmex10.tfm", vector = "tex-ex", extension = true } ,
    { name = "msam10.tfm", vector = "tex-ma" },
    { name = "msbm10.tfm", vector = "tex-mb" },
    { name = "stmary10.afm", vector = "tex-mc" },
 -- { name = "rm-lmbx10.tfm", vector = "tex-bf" } ,
    { name = "lmroman10-bold.otf", vector = "tex-bf" } ,
    { name = "lmmib10.tfm", vector = "tex-bi", skewchar = 0x7F } ,
    { name = "lmsans10-regular.otf", vector = "tex-ss", optional = true },
    { name = "lmmono10-regular.otf", vector = "tex-tt", optional = true },
    { name = "eufm10.tfm", vector = "tex-fraktur", optional = true },
    { name = "eufb10.tfm", vector = "tex-fraktur-bold", optional = true },
}

-- rm-lmr12  : LMMathRoman12-Regular
-- rm-lmbx12 : LMMathRoman12-Bold
-- lmmi12    : LMMathItalic12-Italic

local twelve = {
    { name = "lmroman12-regular.otf", features = "virtualmath", main = true },
    { name = "rm-lmr12.tfm", vector = "tex-mr-missing" },
    { name = "lmmi12.tfm", vector = "tex-mi", skewchar = 0x7F },
    { name = "lmmi12.tfm", vector = "tex-it", skewchar = 0x7F },
    { name = "lmsy10.tfm", vector = "tex-sy", skewchar = 0x30, parameters = true } ,
    { name = "lmex10.tfm", vector = "tex-ex", extension = true } ,
    { name = "msam10.tfm", vector = "tex-ma" },
    { name = "msbm10.tfm", vector = "tex-mb" },
    { name = "stmary10.afm", vector = "tex-mc" },
 -- { name = "rm-lmbx12.tfm", vector = "tex-bf" } ,
    { name = "lmroman12-bold.otf", vector = "tex-bf" } ,
    { name = "lmmib10.tfm", vector = "tex-bi", skewchar = 0x7F } ,
    { name = "lmsans12-regular.otf", vector = "tex-ss", optional = true },
    { name = "lmmono12-regular.otf", vector = "tex-tt", optional = true },
    { name = "eufm10.tfm", vector = "tex-fraktur", optional = true },
    { name = "eufb10.tfm", vector = "tex-fraktur-bold", optional = true },
}

-- rm-lmr17 : LMMathRoman17-Regular

local seventeen = {
    { name = "lmroman17-regular.otf", features = "virtualmath", main = true },
    { name = "rm-lmr12.tfm", vector = "tex-mr-missing" } ,
    { name = "lmmi12.tfm", vector = "tex-mi", skewchar = 0x7F },
    { name = "lmmi12.tfm", vector = "tex-it", skewchar = 0x7F },
    { name = "lmsy10.tfm", vector = "tex-sy", skewchar = 0x30, parameters = true } ,
    { name = "lmex10.tfm", vector = "tex-ex", extension = true } ,
    { name = "msam10.tfm", vector = "tex-ma" },
    { name = "msbm10.tfm", vector = "tex-mb" },
    { name = "stmary10.afm", vector = "tex-mc" },
 -- { name = "rm-lmbx12.tfm", vector = "tex-bf" } ,
    { name = "lmroman12-bold.otf", vector = "tex-bf" } ,
    { name = "lmmib10.tfm", vector = "tex-bi", skewchar = 0x7F } ,
    { name = "lmsans17-regular.otf", vector = "tex-ss", optional = true },
    { name = "lmmono17-regular.otf", vector = "tex-tt", optional = true },
    { name = "eufm10.tfm", vector = "tex-fraktur", optional = true },
    { name = "eufb10.tfm", vector = "tex-fraktur-bold", optional = true },
}

return {
    name = "lm-math",
    version = "1.00",
    comment = "Goodies that complement latin modern math (virtual).",
    author = "Hans Hagen",
    copyright = "ConTeXt development team",
    mathematics = {
        parameters = {
            NoLimitSupFactor =   0,
            NoLimitSubFactor = 900,
        },
        mapfiles = {
            "lm-math.map",
            "lm-rm.map",
            "mkiv-base.map",
        },
        virtuals = {
            ["lmroman5-math"]  = five,
            ["lmroman6-math"]  = six,
            ["lmroman7-math"]  = seven,
            ["lmroman8-math"]  = eight,
            ["lmroman9-math"]  = nine,
            ["lmroman10-math"] = ten,
            ["lmroman12-math"] = twelve,
            ["lmroman17-math"] = seventeen,
        },
        variables = {
            joinrelfactor = 3, -- default anyway
        },
    }
}