diff options
Diffstat (limited to 'tex/context/base/font-otd.lua')
| -rw-r--r-- | tex/context/base/font-otd.lua | 522 |
1 files changed, 261 insertions, 261 deletions
diff --git a/tex/context/base/font-otd.lua b/tex/context/base/font-otd.lua index a9d093d6d..12e2da55f 100644 --- a/tex/context/base/font-otd.lua +++ b/tex/context/base/font-otd.lua @@ -1,261 +1,261 @@ -if not modules then modules = { } end modules ['font-otd'] = { - version = 1.001, - comment = "companion to font-ini.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local type = type -local match = string.match -local sequenced = table.sequenced - -local trace_dynamics = false trackers.register("otf.dynamics", function(v) trace_dynamics = v end) -local trace_applied = false trackers.register("otf.applied", function(v) trace_applied = v end) - -local report_otf = logs.reporter("fonts","otf loading") -local report_process = logs.reporter("fonts","otf process") - -local allocate = utilities.storage.allocate - -local fonts = fonts -local otf = fonts.handlers.otf -local hashes = fonts.hashes -local definers = fonts.definers -local constructors = fonts.constructors -local specifiers = fonts.specifiers - -local fontidentifiers = hashes.identifiers -local fontresources = hashes.resources -local fontproperties = hashes.properties -local fontdynamics = hashes.dynamics - -local contextsetups = specifiers.contextsetups -local contextnumbers = specifiers.contextnumbers -local contextmerged = specifiers.contextmerged - -local setmetatableindex = table.setmetatableindex - -local otffeatures = fonts.constructors.newfeatures("otf") -local registerotffeature = otffeatures.register - -local a_to_script = { } -local a_to_language = { } - --- we can have a scripts hash in fonts.hashes - -function otf.setdynamics(font,attribute) - -- local features = contextsetups[contextnumbers[attribute]] -- can be moved to caller - local features = contextsetups[attribute] - if features then - local dynamics = fontdynamics[font] - dynamic = contextmerged[attribute] or 0 - local script, language - if dynamic == 2 then -- merge - language = features.language or fontproperties[font].language or "dflt" - script = features.script or fontproperties[font].script or "dflt" - else -- if dynamic == 1 then -- replace - language = features.language or "dflt" - script = features.script or "dflt" - end - if script == "auto" then - -- checkedscript and resources are defined later so we cannot shortcut them -- todo: make installer - script = definers.checkedscript(fontidentifiers[font],fontresources[font],features) - end - local ds = dynamics[script] -- can be metatable magic (less testing) - if not ds then - ds = { } - dynamics[script] = ds - end - local dsl = ds[language] - if not dsl then - dsl = { } - ds[language] = dsl - end - local dsla = dsl[attribute] - if not dsla then - local tfmdata = fontidentifiers[font] - a_to_script [attribute] = script - a_to_language[attribute] = language - -- we need to save some values .. quite messy - local properties = tfmdata.properties - local shared = tfmdata.shared - local s_script = properties.script - local s_language = properties.language - local s_mode = properties.mode - local s_features = shared.features - properties.mode = "node" - properties.language = language - properties.script = script - properties.dynamics = true -- handy for tracing - shared.features = { } - -- end of save - local set = constructors.checkedfeatures("otf",features) - set.mode = "node" -- really needed - dsla = otf.setfeatures(tfmdata,set) - if trace_dynamics then - report_otf("setting dynamics %s: attribute %a, script %a, language %a, set %a",contextnumbers[attribute],attribute,script,language,set) - end - -- we need to restore some values - properties.script = s_script - properties.language = s_language - properties.mode = s_mode - shared.features = s_features - -- end of restore - dynamics[script][language][attribute] = dsla -- cache - elseif trace_dynamics then - -- report_otf("using dynamics %s: attribute %a, script %a, language %a",contextnumbers[attribute],attribute,script,language) - end - return dsla - end -end - -function otf.scriptandlanguage(tfmdata,attr) - local properties = tfmdata.properties - if attr and attr > 0 then - return a_to_script[attr] or properties.script or "dflt", a_to_language[attr] or properties.language or "dflt" - else - return properties.script or "dflt", properties.language or "dflt" - end -end - --- we reimplement the dataset resolver - -local autofeatures = fonts.analyzers.features -- was: constants - -local resolved = { } -- we only resolve a font,script,language,attribute pair once -local wildcard = "*" -local default = "dflt" - --- what about analyze in local and not in font - -local function initialize(sequence,script,language,s_enabled,a_enabled,font,attr,dynamic) - local features = sequence.features - if features then - for kind, scripts in next, features do - local e_e - local a_e = a_enabled and a_enabled[kind] -- the value (location) - if a_e ~= nil then - e_e = a_e - else - e_e = s_enabled and s_enabled[kind] -- the value (font) - end - if e_e then - local languages = scripts[script] or scripts[wildcard] - if languages then - -- local valid, what = false - local valid = false - -- not languages[language] or languages[default] or languages[wildcard] because we want tracing - -- only first attribute match check, so we assume simple fina's - -- default can become a font feature itself - if languages[language] then - valid = e_e -- was true - -- what = language - -- elseif languages[default] then - -- valid = true - -- what = default - elseif languages[wildcard] then - valid = e_e -- was true - -- what = wildcard - end - if valid then - local attribute = autofeatures[kind] or false - -- if a_e and dynamic < 0 then - -- valid = false - -- end - -- if trace_applied then - -- local typ, action = match(sequence.type,"(.*)_(.*)") -- brrr - -- report_process( - -- "%s font: %03i, dynamic: %03i, kind: %s, script: %-4s, language: %-4s (%-4s), type: %s, action: %s, name: %s", - -- (valid and "+") or "-",font,attr or 0,kind,script,language,what,typ,action,sequence.name) - -- end - if trace_applied then - report_process( - "font %s, dynamic %a (%a), feature %a, script %a, language %a, lookup %a, value %a", - font,attr or 0,dynamic,kind,script,language,sequence.name,valid) - end - return { valid, attribute, sequence.chain or 0, kind, sequence } - end - end - end - end - return false -- { valid, attribute, chain, "generic", sequence } -- false anyway, could be flag instead of table - else - return false -- { false, false, chain, false, sequence } -- indirect lookup, part of chain (todo: make this a separate table) - end -end - --- there is some fuzzy language/script state stuff in properties (temporary) - -function otf.dataset(tfmdata,font,attr) -- attr only when explicit (as in special parbuilder) - - local script, language, s_enabled, a_enabled, dynamic - - if attr and attr ~= 0 then - dynamic = contextmerged[attr] or 0 - -- local features = contextsetups[contextnumbers[attr]] -- could be a direct list - local features = contextsetups[attr] - a_enabled = features -- location based - if dynamic == 1 then -- or dynamic == -1 then - -- replace - language = features.language or "dflt" - script = features.script or "dflt" - elseif dynamic == 2 then -- or dynamic == -2 then - -- merge - local properties = tfmdata.properties - s_enabled = tfmdata.shared.features -- font based - language = features.language or properties.language or "dflt" - script = features.script or properties.script or "dflt" - else - -- error - local properties = tfmdata.properties - language = properties.language or "dflt" - script = properties.script or "dflt" - end - else - local properties = tfmdata.properties - language = properties.language or "dflt" - script = properties.script or "dflt" - s_enabled = tfmdata.shared.features -- can be made local to the resolver - dynamic = 0 - end - - local res = resolved[font] - if not res then - res = { } - resolved[font] = res - end - local rs = res[script] - if not rs then - rs = { } - res[script] = rs - end - local rl = rs[language] - if not rl then - rl = { } - rs[language] = rl - end - local ra = rl[attr] - if ra == nil then -- attr can be false - ra = { - -- indexed but we can also add specific data by key in: - } - rl[attr] = ra - local sequences = tfmdata.resources.sequences --- setmetatableindex(ra, function(t,k) --- if type(k) == "number" then --- local v = initialize(sequences[k],script,language,s_enabled,a_enabled,font,attr,dynamic) --- t[k] = v or false --- return v --- end --- end) -for s=1,#sequences do - local v = initialize(sequences[s],script,language,s_enabled,a_enabled,font,attr,dynamic) - if v then - ra[#ra+1] = v - end -end - end - return ra - -end +if not modules then modules = { } end modules ['font-otd'] = {
+ version = 1.001,
+ comment = "companion to font-ini.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+local type = type
+local match = string.match
+local sequenced = table.sequenced
+
+local trace_dynamics = false trackers.register("otf.dynamics", function(v) trace_dynamics = v end)
+local trace_applied = false trackers.register("otf.applied", function(v) trace_applied = v end)
+
+local report_otf = logs.reporter("fonts","otf loading")
+local report_process = logs.reporter("fonts","otf process")
+
+local allocate = utilities.storage.allocate
+
+local fonts = fonts
+local otf = fonts.handlers.otf
+local hashes = fonts.hashes
+local definers = fonts.definers
+local constructors = fonts.constructors
+local specifiers = fonts.specifiers
+
+local fontidentifiers = hashes.identifiers
+local fontresources = hashes.resources
+local fontproperties = hashes.properties
+local fontdynamics = hashes.dynamics
+
+local contextsetups = specifiers.contextsetups
+local contextnumbers = specifiers.contextnumbers
+local contextmerged = specifiers.contextmerged
+
+local setmetatableindex = table.setmetatableindex
+
+local otffeatures = fonts.constructors.newfeatures("otf")
+local registerotffeature = otffeatures.register
+
+local a_to_script = { }
+local a_to_language = { }
+
+-- we can have a scripts hash in fonts.hashes
+
+function otf.setdynamics(font,attribute)
+ -- local features = contextsetups[contextnumbers[attribute]] -- can be moved to caller
+ local features = contextsetups[attribute]
+ if features then
+ local dynamics = fontdynamics[font]
+ dynamic = contextmerged[attribute] or 0
+ local script, language
+ if dynamic == 2 then -- merge
+ language = features.language or fontproperties[font].language or "dflt"
+ script = features.script or fontproperties[font].script or "dflt"
+ else -- if dynamic == 1 then -- replace
+ language = features.language or "dflt"
+ script = features.script or "dflt"
+ end
+ if script == "auto" then
+ -- checkedscript and resources are defined later so we cannot shortcut them -- todo: make installer
+ script = definers.checkedscript(fontidentifiers[font],fontresources[font],features)
+ end
+ local ds = dynamics[script] -- can be metatable magic (less testing)
+ if not ds then
+ ds = { }
+ dynamics[script] = ds
+ end
+ local dsl = ds[language]
+ if not dsl then
+ dsl = { }
+ ds[language] = dsl
+ end
+ local dsla = dsl[attribute]
+ if not dsla then
+ local tfmdata = fontidentifiers[font]
+ a_to_script [attribute] = script
+ a_to_language[attribute] = language
+ -- we need to save some values .. quite messy
+ local properties = tfmdata.properties
+ local shared = tfmdata.shared
+ local s_script = properties.script
+ local s_language = properties.language
+ local s_mode = properties.mode
+ local s_features = shared.features
+ properties.mode = "node"
+ properties.language = language
+ properties.script = script
+ properties.dynamics = true -- handy for tracing
+ shared.features = { }
+ -- end of save
+ local set = constructors.checkedfeatures("otf",features)
+ set.mode = "node" -- really needed
+ dsla = otf.setfeatures(tfmdata,set)
+ if trace_dynamics then
+ report_otf("setting dynamics %s: attribute %a, script %a, language %a, set %a",contextnumbers[attribute],attribute,script,language,set)
+ end
+ -- we need to restore some values
+ properties.script = s_script
+ properties.language = s_language
+ properties.mode = s_mode
+ shared.features = s_features
+ -- end of restore
+ dynamics[script][language][attribute] = dsla -- cache
+ elseif trace_dynamics then
+ -- report_otf("using dynamics %s: attribute %a, script %a, language %a",contextnumbers[attribute],attribute,script,language)
+ end
+ return dsla
+ end
+end
+
+function otf.scriptandlanguage(tfmdata,attr)
+ local properties = tfmdata.properties
+ if attr and attr > 0 then
+ return a_to_script[attr] or properties.script or "dflt", a_to_language[attr] or properties.language or "dflt"
+ else
+ return properties.script or "dflt", properties.language or "dflt"
+ end
+end
+
+-- we reimplement the dataset resolver
+
+local autofeatures = fonts.analyzers.features -- was: constants
+
+local resolved = { } -- we only resolve a font,script,language,attribute pair once
+local wildcard = "*"
+local default = "dflt"
+
+-- what about analyze in local and not in font
+
+local function initialize(sequence,script,language,s_enabled,a_enabled,font,attr,dynamic)
+ local features = sequence.features
+ if features then
+ for kind, scripts in next, features do
+ local e_e
+ local a_e = a_enabled and a_enabled[kind] -- the value (location)
+ if a_e ~= nil then
+ e_e = a_e
+ else
+ e_e = s_enabled and s_enabled[kind] -- the value (font)
+ end
+ if e_e then
+ local languages = scripts[script] or scripts[wildcard]
+ if languages then
+ -- local valid, what = false
+ local valid = false
+ -- not languages[language] or languages[default] or languages[wildcard] because we want tracing
+ -- only first attribute match check, so we assume simple fina's
+ -- default can become a font feature itself
+ if languages[language] then
+ valid = e_e -- was true
+ -- what = language
+ -- elseif languages[default] then
+ -- valid = true
+ -- what = default
+ elseif languages[wildcard] then
+ valid = e_e -- was true
+ -- what = wildcard
+ end
+ if valid then
+ local attribute = autofeatures[kind] or false
+ -- if a_e and dynamic < 0 then
+ -- valid = false
+ -- end
+ -- if trace_applied then
+ -- local typ, action = match(sequence.type,"(.*)_(.*)") -- brrr
+ -- report_process(
+ -- "%s font: %03i, dynamic: %03i, kind: %s, script: %-4s, language: %-4s (%-4s), type: %s, action: %s, name: %s",
+ -- (valid and "+") or "-",font,attr or 0,kind,script,language,what,typ,action,sequence.name)
+ -- end
+ if trace_applied then
+ report_process(
+ "font %s, dynamic %a (%a), feature %a, script %a, language %a, lookup %a, value %a",
+ font,attr or 0,dynamic,kind,script,language,sequence.name,valid)
+ end
+ return { valid, attribute, sequence.chain or 0, kind, sequence }
+ end
+ end
+ end
+ end
+ return false -- { valid, attribute, chain, "generic", sequence } -- false anyway, could be flag instead of table
+ else
+ return false -- { false, false, chain, false, sequence } -- indirect lookup, part of chain (todo: make this a separate table)
+ end
+end
+
+-- there is some fuzzy language/script state stuff in properties (temporary)
+
+function otf.dataset(tfmdata,font,attr) -- attr only when explicit (as in special parbuilder)
+
+ local script, language, s_enabled, a_enabled, dynamic
+
+ if attr and attr ~= 0 then
+ dynamic = contextmerged[attr] or 0
+ -- local features = contextsetups[contextnumbers[attr]] -- could be a direct list
+ local features = contextsetups[attr]
+ a_enabled = features -- location based
+ if dynamic == 1 then -- or dynamic == -1 then
+ -- replace
+ language = features.language or "dflt"
+ script = features.script or "dflt"
+ elseif dynamic == 2 then -- or dynamic == -2 then
+ -- merge
+ local properties = tfmdata.properties
+ s_enabled = tfmdata.shared.features -- font based
+ language = features.language or properties.language or "dflt"
+ script = features.script or properties.script or "dflt"
+ else
+ -- error
+ local properties = tfmdata.properties
+ language = properties.language or "dflt"
+ script = properties.script or "dflt"
+ end
+ else
+ local properties = tfmdata.properties
+ language = properties.language or "dflt"
+ script = properties.script or "dflt"
+ s_enabled = tfmdata.shared.features -- can be made local to the resolver
+ dynamic = 0
+ end
+
+ local res = resolved[font]
+ if not res then
+ res = { }
+ resolved[font] = res
+ end
+ local rs = res[script]
+ if not rs then
+ rs = { }
+ res[script] = rs
+ end
+ local rl = rs[language]
+ if not rl then
+ rl = { }
+ rs[language] = rl
+ end
+ local ra = rl[attr]
+ if ra == nil then -- attr can be false
+ ra = {
+ -- indexed but we can also add specific data by key in:
+ }
+ rl[attr] = ra
+ local sequences = tfmdata.resources.sequences
+-- setmetatableindex(ra, function(t,k)
+-- if type(k) == "number" then
+-- local v = initialize(sequences[k],script,language,s_enabled,a_enabled,font,attr,dynamic)
+-- t[k] = v or false
+-- return v
+-- end
+-- end)
+for s=1,#sequences do
+ local v = initialize(sequences[s],script,language,s_enabled,a_enabled,font,attr,dynamic)
+ if v then
+ ra[#ra+1] = v
+ end
+end
+ end
+ return ra
+
+end
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