From 6ee1bacdcc20fdf93f10793f8c5c942fb42b4425 Mon Sep 17 00:00:00 2001
From: amorphobia <pengxuesong.cn@gmail.com>
Date: Wed, 27 Jan 2021 16:15:37 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=AF=E6=8C=81=E5=9C=A8=E7=94=A8=E6=88=B7?=
 =?UTF-8?q?=E8=AF=8D=E5=85=B8=E9=87=8C=E5=88=A0=E9=99=A4=E8=AF=8D=E6=9D=A1?=
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---
 lua/openfly_common.lua             | 19 ++++++++++++++++++-
 lua/openfly_deletion_filter.lua    | 22 ++++++++++++++++++++++
 lua/openfly_shortcut_processor.lua |  3 +--
 openfly.schema.yaml                |  1 +
 4 files changed, 42 insertions(+), 3 deletions(-)
 create mode 100644 lua/openfly_deletion_filter.lua

diff --git a/lua/openfly_common.lua b/lua/openfly_common.lua
index 7e8ea9c..20cd2a0 100644
--- a/lua/openfly_common.lua
+++ b/lua/openfly_common.lua
@@ -18,4 +18,21 @@ local function detect_os()
     return sys
 end
 
-return { detect_os = detect_os }
+local function status(context)
+    local stat = {}
+    local composition = context.composition
+    stat.always = true
+    stat.composing = context:is_composing()
+    stat.empty = not stat.composing
+    stat.has_menu = context:has_menu()
+    stat.paging = not composition.empty() and composition:back():has_tag("paging")
+    return stat
+end
+
+return {
+    detect_os = detect_os,
+    status = status,
+    kRejected = 0,
+    kAccepted = 1,
+    kNoop = 2
+}
diff --git a/lua/openfly_deletion_filter.lua b/lua/openfly_deletion_filter.lua
new file mode 100644
index 0000000..7e76f27
--- /dev/null
+++ b/lua/openfly_deletion_filter.lua
@@ -0,0 +1,22 @@
+local function filter(input)
+  local candidates = {}
+  local del_text = {}
+  local index_text = {}
+  for cand in input:iter() do
+    table.insert(index_text, cand.text)
+    candidates[cand.text] = cand
+    if cand:get_genuine().comment == "[删]" then
+      table.insert(del_text, cand.text)
+    end
+  end
+  for i, t in pairs(del_text) do
+    candidates[t] = nil
+  end
+  for i, t in pairs(index_text) do
+    if candidates[t] ~= nil then
+      yield(candidates[t])
+    end
+  end
+end
+
+return filter
diff --git a/lua/openfly_shortcut_processor.lua b/lua/openfly_shortcut_processor.lua
index dac2b8a..a596a29 100644
--- a/lua/openfly_shortcut_processor.lua
+++ b/lua/openfly_shortcut_processor.lua
@@ -22,7 +22,6 @@ local command = {
 local function processor(key, env)
     local engine = env.engine
     local context = engine.context
-    local kNoop = 2
 
     local sys = common.detect_os()
     local cmd = command[sys][context.input]
@@ -30,7 +29,7 @@ local function processor(key, env)
         os.execute(cmd)
         context:clear()
     end
-    return kNoop
+    return common.kNoop
 end
 
 return processor
diff --git a/openfly.schema.yaml b/openfly.schema.yaml
index 83bb4c3..3fb9704 100644
--- a/openfly.schema.yaml
+++ b/openfly.schema.yaml
@@ -51,6 +51,7 @@ engine:
     - history_translator@history
   filters:
     - lua_filter@openfly_hint_filter
+    - lua_filter@openfly_deletion_filter
     - simplifier
     - simplifier@simplification
     - uniquifier