From 808e70bd7ccff7c25c4e1979bf9eec204ed8cb3c Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Thu, 28 Oct 2010 19:38:16 +0200
Subject: Sync with context 2010.10.22

This is a big sync and things might be seriously broken.
---
 otfl-font-otd.lua | 42 +++++++++++++++++++++++++++---------------
 1 file changed, 27 insertions(+), 15 deletions(-)

(limited to 'otfl-font-otd.lua')

diff --git a/otfl-font-otd.lua b/otfl-font-otd.lua
index 46899fd..910725a 100644
--- a/otfl-font-otd.lua
+++ b/otfl-font-otd.lua
@@ -6,25 +6,28 @@ if not modules then modules = { } end modules ['font-otd'] = {
     license   = "see context related readme files"
 }
 
-local trace_dynamics = false  trackers.register("otf.dynamics", function(v) trace_dynamics     = v end)
+local trace_dynamics = false  trackers.register("otf.dynamics", function(v) trace_dynamics = v end)
 
-fonts     = fonts     or { }
-fonts.otf = fonts.otf or { }
+local report_otf = logs.new("load otf")
 
-local otf      = fonts.otf
-local fontdata = fonts.ids
+local fonts          = fonts
+local otf            = fonts.otf
+local fontdata       = fonts.ids
 
 otf.features         = otf.features         or { }
 otf.features.default = otf.features.default or { }
 
-local context_setups  = fonts.define.specify.context_setups
-local context_numbers = fonts.define.specify.context_numbers
+local definers       = fonts.definers
+local contextsetups  = definers.specifiers.contextsetups
+local contextnumbers = definers.specifiers.contextnumbers
 
-local a_to_script   = { }  otf.a_to_script   = a_to_script
-local a_to_language = { }  otf.a_to_language = a_to_language
+-- todo: dynamics namespace
 
-function otf.set_dynamics(font,dynamics,attribute)
-    local features = context_setups[context_numbers[attribute]] -- can be moved to caller
+local a_to_script   = { }
+local a_to_language = { }
+
+function otf.setdynamics(font,dynamics,attribute)
+    local features = contextsetups[contextnumbers[attribute]] -- can be moved to caller
     if features then
         local script   = features.script   or 'dflt'
         local language = features.language or 'dflt'
@@ -41,7 +44,7 @@ function otf.set_dynamics(font,dynamics,attribute)
         local dsla = dsl[attribute]
         if dsla then
         --  if trace_dynamics then
-        --      logs.report("otf define","using dynamics %s: attribute %s, script %s, language %s",context_numbers[attribute],attribute,script,language)
+        --      report_otf("using dynamics %s: attribute %s, script %s, language %s",contextnumbers[attribute],attribute,script,language)
         --  end
             return dsla
         else
@@ -56,14 +59,15 @@ function otf.set_dynamics(font,dynamics,attribute)
                 features  = tfmdata.shared.features
             }
             tfmdata.mode     = "node"
+            tfmdata.dynamics = true -- handy for tracing
             tfmdata.language = language
             tfmdata.script   = script
             tfmdata.shared.features = { }
             -- end of save
-            local set = fonts.define.check(features,otf.features.default)
-            dsla = otf.set_features(tfmdata,set)
+            local set = definers.check(features,otf.features.default)
+            dsla = otf.setfeatures(tfmdata,set)
             if trace_dynamics then
-                logs.report("otf define","setting dynamics %s: attribute %s, script %s, language %s, set: %s",context_numbers[attribute],attribute,script,language,table.sequenced(set))
+                report_otf("setting dynamics %s: attribute %s, script %s, language %s, set: %s",contextnumbers[attribute],attribute,script,language,table.sequenced(set))
             end
             -- we need to restore some values
             tfmdata.script          = saved.script
@@ -77,3 +81,11 @@ function otf.set_dynamics(font,dynamics,attribute)
     end
     return nil -- { }
 end
+
+function otf.scriptandlanguage(tfmdata,attr)
+    if attr and attr > 0 then
+        return a_to_script[attr] or tfmdata.script, a_to_language[attr] or tfmdata.language
+    else
+        return tfmdata.script, tfmdata.language
+    end
+end
-- 
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