feat: remove ow directory, keep ow in type annotations only

lua/dap/hover/content.lua

@@ -0,0 +1,130 @@
+---@class ow.dap.hover.content.Capture
+---@field start_col integer
+---@field end_col integer
+---@field text string
+---@field group string
+---@field priority integer
+
+---@class ow.dap.hover.Highlight
+---@field group string
+---@field start_row integer 0-indexed
+---@field start_col integer 0-indexed
+---@field end_row integer 0-indexed
+---@field end_col integer 0-indexed
+
+---@class ow.dap.hover.Content
+---@field text string
+---@field highlights ow.dap.hover.Highlight[]
+---@field _current_row integer
+---@field _current_col integer
+local Content = {}
+Content.__index = Content
+
+---@return ow.dap.hover.Content
+function Content.new()
+    return setmetatable({
+        text = "",
+        highlights = {},
+        _current_row = 0,
+        _current_col = 0,
+    }, Content)
+end
+
+---@return integer
+function Content:current_line()
+    return self._current_row + 1
+end
+
+---@param text string May not contain line breaks
+---@param highlight_group? string
+function Content:add(text, highlight_group)
+    local start_row = self._current_row
+    local start_col = self._current_col
+    local end_row = self._current_row
+    local end_col = start_col + #text
+
+    self.text = self.text .. text
+    self._current_col = end_col
+
+    if highlight_group then
+        table.insert(self.highlights, {
+            group = highlight_group,
+            start_row = start_row,
+            start_col = start_col,
+            end_row = end_row,
+            end_col = end_col,
+        })
+    end
+end
+
+---@param text string May not contain line breaks
+---@param lang string
+function Content:add_with_treesitter(text, lang)
+    local start_row = self._current_row
+    local start_col = self._current_col
+
+    self:add(text)
+
+    local ok, parser = pcall(vim.treesitter.get_string_parser, text, lang)
+    if not ok or not parser then
+        return
+    end
+
+    local tree = parser:parse()[1]
+    if not tree then
+        return
+    end
+
+    local query = vim.treesitter.query.get(lang, "highlights")
+    if not query then
+        return
+    end
+
+    for id, node in query:iter_captures(tree:root(), text, 0, -1) do
+        local capture_name = query.captures[id]
+        local start_row_rel, start_col_rel, end_row_rel, end_col_rel =
+            node:range()
+
+        local abs_start_row = start_row + start_row_rel
+        local abs_end_row = start_row + end_row_rel
+        local abs_start_col = start_col + start_col_rel
+        local abs_end_col = start_col + end_col_rel
+
+        table.insert(self.highlights, {
+            group = "@" .. capture_name,
+            start_row = abs_start_row,
+            start_col = abs_start_col,
+            end_row = abs_end_row,
+            end_col = abs_end_col,
+        })
+    end
+end
+
+function Content:newline()
+    self:add("\n")
+    self._current_col = 0
+    self._current_row = self._current_row + 1
+end
+
+---@return string[]
+function Content:get_lines()
+    local text = self.text:gsub("%s+$", "")
+    return vim.split(text, "\n")
+end
+
+---@param ns_id integer
+---@param buf integer
+---@param row_offset integer 0-indexed
+function Content:apply_highlights(ns_id, buf, row_offset)
+    for _, highlight in ipairs(self.highlights) do
+        vim.hl.range(
+            buf,
+            ns_id,
+            highlight.group,
+            { row_offset + highlight.start_row, highlight.start_col },
+            { row_offset + highlight.end_row, highlight.end_col }
+        )
+    end
+end
+
+return Content