feat(entry): add context field and get_offset method

docs/entry.norg

@@ -9,7 +9,7 @@ categories: [
     types
 ]
 created: 2023-11-15T17:42:46+0100
-updated: 2024-06-23T14:32:14+0100
+updated: 2024-07-07T21:15:43+0100
 tangle: {
     languages: {
         lua: ../lua/neocomplete/types/entry.lua
@@ -36,7 +36,7 @@ version: 1.1.1
    #tangle
    @code lua
    --- Creates a new entry
-   ---@field new fun(completion_item: lsp.CompletionItem, source: neocomplete.internal_source): neocomplete.entry
+   ---@field new fun(completion_item: lsp.CompletionItem, source: neocomplete.internal_source, context: neocomplete.context): neocomplete.entry
    @end
 
 ** Get insert text
@@ -69,6 +69,15 @@ version: 1.1.1
    ---@field source neocomplete.internal_source
    @end
 
+** Context
+   This is the context in which the entry was completed. This is important to now what context text-
+   edits of the entry target.
+   #tangle
+   @code lua
+   --- Context in which entry was completed
+   ---@field context neocomplete.context
+   @end
+
 ** Matches
    Position of matches which were found during filtering. This is just used to highlight them in the
    completion menu with `@neocomplete.match`.
@@ -86,3 +95,11 @@ version: 1.1.1
    --- Score from filtering
    ---@field score number
    @end
+
+** Get Offset
+   Essentially where entry insertion should happen (column)
+   #tangle
+   @code lua
+   --- Get offset of entry
+   ---@field get_offset fun(self: neocomplete.entry): integer
+   @end

lua/neocomplete/entry.lua

@@ -2,14 +2,36 @@
 ---@diagnostic disable-next-line: missing-fields
 local Entry = {}
 
-function Entry.new(completion_item, source)
+function Entry.new(completion_item, source, context)
     ---@type neocomplete.entry
     local self = setmetatable({}, { __index = Entry })
     self.completion_item = completion_item
     self.source = source
+    self.context = context
     self.matches = {}
     return self
 end
+local function is_white(str)
+    return string.match(str, "^%s*$") ~= nil
+end
+
+function Entry:get_offset()
+    local offset, _ = vim.regex(self.source:get_keyword_pattern() .. "\\m$"):match_str(self.context.line_before_cursor)
+    offset = offset or #self.context.line_before_cursor
+    if self.completion_item.textEdit then
+        local range = self.completion_item.textEdit.insert or self.completion_item.textEdit.range
+        if range then
+            local c = range.start.character
+            for idx = c, self.context.cursor.col do
+                if not is_white(string.byte(self.context.line, idx)) then
+                    offset = idx
+                    break
+                end
+            end
+        end
+    end
+    return offset
+end
 
 function Entry:get_insert_text()
     local completion_item = self.completion_item

lua/neocomplete/types/entry.lua

@@ -2,14 +2,18 @@
 ---@class neocomplete.entry
 ---@field completion_item lsp.CompletionItem
 --- Creates a new entry
----@field new fun(completion_item: lsp.CompletionItem, source: neocomplete.internal_source): neocomplete.entry
+---@field new fun(completion_item: lsp.CompletionItem, source: neocomplete.internal_source, context: neocomplete.context): neocomplete.entry
 --- Get insert text
 ---@field get_insert_text fun(self: neocomplete.entry): string
 --- Get insert word
 ---@field get_insert_word fun(self: neocomplete.entry): string
 --- Source from which the entry came
 ---@field source neocomplete.internal_source
+--- Context in which entry was completed
+---@field context neocomplete.context
 --- Matches in filter text
 ---@field matches integer[]
 --- Score from filtering
----@field score number
+---@field score number
+--- Get offset of entry
+---@field get_offset fun(self: neocomplete.entry): integer