From 6da2b175e20ed3c03b0dfcfc9046de1e0e5d4444 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9C=80=E8=90=8C=E5=B0=8F=E6=B1=90?= <sumneko@hotmail.com>
Date: Sat, 23 Nov 2019 00:05:30 +0800
Subject: =?UTF-8?q?=E6=AD=A3=E8=B7=AF=E7=9B=AE=E5=BD=95?=
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---
 script/core/find_lib.lua | 65 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 script/core/find_lib.lua

(limited to 'script/core/find_lib.lua')

diff --git a/script/core/find_lib.lua b/script/core/find_lib.lua
new file mode 100644
index 00000000..e76549a8
--- /dev/null
+++ b/script/core/find_lib.lua
@@ -0,0 +1,65 @@
+local hoverName = require 'core.hover.name'
+
+local function getParentName(lib, isObject)
+    for _, parent in ipairs(lib.parent) do
+        if isObject then
+            if parent.type == 'object' then
+                return parent.nick or parent.name
+            end
+        else
+            if parent.type ~= 'object' then
+                return parent.nick or parent.name
+            end
+        end
+    end
+    return ''
+end
+
+local function findLib(source)
+    local value = source:bindValue()
+    local lib = value:getLib()
+    if not lib then
+        return nil
+    end
+    if lib.parent then
+        if source:get 'object' then
+            -- *string:sub
+            local fullKey = ('*%s:%s'):format(getParentName(lib, true), lib.name)
+            return lib, fullKey
+        else
+            local parentValue = source:get 'parent'
+            if parentValue and parentValue:getType() == 'string' then
+                -- *string.sub
+                local fullKey = ('*%s.%s'):format(getParentName(lib, false), lib.name)
+                return lib, fullKey
+            else
+                -- string.sub
+                local fullKey = ('%s.%s'):format(getParentName(lib, false), lib.name)
+                return lib, fullKey
+            end
+        end
+    else
+        local name = hoverName(source)
+        local libName = lib.nick or lib.name
+        if name == libName or not libName then
+            return lib, name
+        elseif name == '' then
+            return lib, libName
+        else
+            return lib, ('%s<%s>'):format(name, libName)
+        end
+    end
+end
+
+return function (source)
+    if source:bindValue() then
+        local lib, fullKey = findLib(source)
+        return lib, fullKey
+    end
+    if source:get 'in index' then
+        source = source:get 'in index'
+        local lib, fullKey = findLib(source)
+        return lib, fullKey
+    end
+    return nil
+end
-- 
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