From 4f0774100b6000784cf29bcc8677e63a3169f21a Mon Sep 17 00:00:00 2001
From: Philipp Gesang <phg42.2a@gmail.com>
Date: Mon, 22 Apr 2013 15:15:22 +0200
Subject: =?UTF-8?q?migrate=20files=20from=20=E2=80=98otfl=E2=80=99=20to=20?=
 =?UTF-8?q?=E2=80=98luaotfload=E2=80=99=20prefix?=
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---
 luaotfload-features.lua | 110 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 luaotfload-features.lua

(limited to 'luaotfload-features.lua')

diff --git a/luaotfload-features.lua b/luaotfload-features.lua
new file mode 100644
index 0000000..aae0515
--- /dev/null
+++ b/luaotfload-features.lua
@@ -0,0 +1,110 @@
+--[[doc--
+Taken from the most recent branch of luaotfload.
+--doc]]--
+local addotffeature       = fonts.handlers.otf.addfeature
+local registerotffeature  = fonts.handlers.otf.features.register
+
+local everywhere = { ["*"] = { ["*"] = true } }
+
+local tlig = {
+    {
+        type      = "substitution",
+        features  = everywhere,
+        data      = {
+            [0x0022] = 0x201D,                   -- quotedblright
+            [0x0027] = 0x2019,                   -- quoteleft
+            [0x0060] = 0x2018,                   -- quoteright
+        },
+        flags     = { },
+    },
+    {
+        type     = "ligature",
+        features = everywhere,
+        data     = {
+            [0x2013] = {0x002D, 0x002D},         -- endash
+            [0x2014] = {0x002D, 0x002D, 0x002D}, -- emdash
+            [0x201C] = {0x2018, 0x2018},         -- quotedblleft
+            [0x201D] = {0x2019, 0x2019},         -- quotedblright
+            [0x201E] = {0x002C, 0x002C},         -- quotedblbase
+            [0x00A1] = {0x0021, 0x2018},         -- exclamdown
+            [0x00BF] = {0x003F, 0x2018},         -- questiondown
+        },
+        flags    = { },
+    },
+    {
+        type     = "ligature",
+        features = everywhere,
+        data     = {
+            [0x201C] = {0x0060, 0x0060},         -- quotedblleft
+            [0x201D] = {0x0027, 0x0027},         -- quotedblright
+            [0x00A1] = {0x0021, 0x0060},         -- exclamdown
+            [0x00BF] = {0x003F, 0x0060},         -- questiondown
+        },
+        flags    = { },
+    },
+}
+
+addotffeature("tlig", tlig)
+addotffeature("trep", { }) -- empty, all in tlig now
+local anum_arabic = {
+    [0x0030] = 0x0660,
+    [0x0031] = 0x0661,
+    [0x0032] = 0x0662,
+    [0x0033] = 0x0663,
+    [0x0034] = 0x0664,
+    [0x0035] = 0x0665,
+    [0x0036] = 0x0666,
+    [0x0037] = 0x0667,
+    [0x0038] = 0x0668,
+    [0x0039] = 0x0669,
+}
+
+local anum_persian = {
+    [0x0030] = 0x06F0,
+    [0x0031] = 0x06F1,
+    [0x0032] = 0x06F2,
+    [0x0033] = 0x06F3,
+    [0x0034] = 0x06F4,
+    [0x0035] = 0x06F5,
+    [0x0036] = 0x06F6,
+    [0x0037] = 0x06F7,
+    [0x0038] = 0x06F8,
+    [0x0039] = 0x06F9,
+}
+
+local function valid(data)
+    local features = data.resources.features
+    if features then
+        for k, v in next, features do
+            for k, v in next, v do
+                if v.arab then
+                    return true
+                end
+            end
+        end
+    end
+end
+
+local anum_specification = {
+    {
+        type     = "substitution",
+        features = { arab = { far = true, urd = true, snd = true } },
+        data     = anum_persian,
+        flags    = { },
+        valid    = valid,
+    },
+    {
+        type     = "substitution",
+features = { arab = { ["*"] = true } },
+        data     = anum_arabic,
+        flags    = { },
+        valid    = valid,
+    },
+}
+
+addotffeature("anum",anum_specification)
+
+registerotffeature {
+    name        = 'anum',
+    description = 'arabic digits',
+}
-- 
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