Jonathan Apodaca
7ad3d941f4
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NeoVim tests / plenary-tests (push) Successful in 10s
82 lines
2.3 KiB
Lua
82 lines
2.3 KiB
Lua
local Range = require 'u.range'
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local Renderer = require('u.renderer').Renderer
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--- @class u.Buffer
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--- @field bufnr number
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--- @field b vim.var_accessor
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--- @field bo vim.bo
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--- @field private renderer u.Renderer
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local Buffer = {}
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Buffer.__index = Buffer
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--- @param bufnr? number
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--- @return u.Buffer
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function Buffer.from_nr(bufnr)
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if bufnr == nil or bufnr == 0 then bufnr = vim.api.nvim_get_current_buf() end
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local renderer = Renderer.new(bufnr)
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return setmetatable({
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bufnr = bufnr,
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b = vim.b[bufnr],
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bo = vim.bo[bufnr],
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renderer = renderer,
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}, Buffer)
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end
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--- @return u.Buffer
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function Buffer.current() return Buffer.from_nr(0) end
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--- @param listed boolean
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--- @param scratch boolean
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--- @return u.Buffer
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function Buffer.create(listed, scratch)
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return Buffer.from_nr(vim.api.nvim_create_buf(listed, scratch))
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end
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function Buffer:set_tmp_options()
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self.bo.bufhidden = 'delete'
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self.bo.buflisted = false
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self.bo.buftype = 'nowrite'
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end
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function Buffer:line_count() return vim.api.nvim_buf_line_count(self.bufnr) end
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function Buffer:all() return Range.from_buf_text(self.bufnr) end
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function Buffer:is_empty() return self:line_count() == 1 and self:line(1):text() == '' end
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--- @param line string
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function Buffer:append_line(line)
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local start = -1
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if self:is_empty() then start = -2 end
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vim.api.nvim_buf_set_lines(self.bufnr, start, -1, false, { line })
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end
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--- @param num number 1-based line index
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function Buffer:line(num)
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if num < 0 then num = self:line_count() + num + 1 end
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return Range.from_line(self.bufnr, num)
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end
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--- @param start number 1-based line index
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--- @param stop number 1-based line index
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function Buffer:lines(start, stop) return Range.from_lines(self.bufnr, start, stop) end
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--- @param motion string
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--- @param opts? { contains_cursor?: boolean; pos?: u.Pos }
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function Buffer:motion(motion, opts)
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opts = vim.tbl_extend('force', opts or {}, { bufnr = self.bufnr })
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return Range.from_motion(motion, opts)
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end
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--- @param event string|string[]
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--- @diagnostic disable-next-line: undefined-doc-name
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--- @param opts vim.api.keyset.create_autocmd
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function Buffer:autocmd(event, opts)
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vim.api.nvim_create_autocmd(event, vim.tbl_extend('force', opts, { buffer = self.bufnr }))
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end
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--- @param tree u.renderer.Tree
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function Buffer:render(tree) return self.renderer:render(tree) end
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return Buffer
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