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author最萌小汐 <sumneko@hotmail.com>2020-11-20 21:57:09 +0800
committer最萌小汐 <sumneko@hotmail.com>2020-11-20 21:57:09 +0800
commit4ca61ec457822dd14966afa0752340ae8ce180a1 (patch)
treeae8adb1ad82c717868e551e699fd3cf3bb290089 /script/core/matchkey.lua
parentc63b2e404d8d2bb984afe3678a5ba2b2836380cc (diff)
downloadlua-language-server-4ca61ec457822dd14966afa0752340ae8ce180a1.zip
no longer beta
Diffstat (limited to 'script/core/matchkey.lua')
-rw-r--r--script/core/matchkey.lua33
1 files changed, 33 insertions, 0 deletions
diff --git a/script/core/matchkey.lua b/script/core/matchkey.lua
new file mode 100644
index 00000000..45c86eff
--- /dev/null
+++ b/script/core/matchkey.lua
@@ -0,0 +1,33 @@
+return function (me, other, fast)
+ if me == other then
+ return true
+ end
+ if me == '' then
+ return true
+ end
+ if #me > #other then
+ return false
+ end
+ local lMe = me:lower()
+ local lOther = other:lower()
+ if lMe == lOther:sub(1, #lMe) then
+ return true
+ end
+ if fast and me:sub(1, 1) ~= other:sub(1, 1) then
+ return false
+ end
+ local chars = {}
+ for i = 1, #lOther do
+ local c = lOther:sub(i, i)
+ chars[c] = (chars[c] or 0) + 1
+ end
+ for i = 1, #lMe do
+ local c = lMe:sub(i, i)
+ if chars[c] and chars[c] > 0 then
+ chars[c] = chars[c] - 1
+ else
+ return false
+ end
+ end
+ return true
+end