182 lines
4.5 KiB
Lua
182 lines
4.5 KiB
Lua
---@class preview.ProviderConfig
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---@field cmd string[]
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---@field args? string[]|fun(ctx: preview.Context): string[]
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---@field cwd? string|fun(ctx: preview.Context): string
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---@field env? table<string, string>
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---@field output? string|fun(ctx: preview.Context): string
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---@field error_parser? fun(stderr: string, ctx: preview.Context): preview.Diagnostic[]
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---@field clean? string[]|fun(ctx: preview.Context): string[]
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---@class preview.Config
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---@field debug boolean|string
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---@field providers table<string, preview.ProviderConfig>
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---@class preview.Context
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---@field bufnr integer
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---@field file string
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---@field root string
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---@field ft string
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---@class preview.Diagnostic
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---@field lnum integer
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---@field col integer
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---@field message string
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---@field severity? integer
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---@field end_lnum? integer
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---@field end_col? integer
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---@field source? string
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---@class preview.Process
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---@field obj table
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---@field provider string
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---@field output_file string
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---@class preview
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---@field compile fun(bufnr?: integer)
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---@field stop fun(bufnr?: integer)
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---@field clean fun(bufnr?: integer)
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---@field watch fun(bufnr?: integer)
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---@field status fun(bufnr?: integer): preview.Status
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---@field get_config fun(): preview.Config
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local M = {}
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local compiler = require('preview.compiler')
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local log = require('preview.log')
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---@type preview.Config
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local default_config = {
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debug = false,
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providers = {},
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}
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---@type preview.Config
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local config = vim.deepcopy(default_config)
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local initialized = false
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local function init()
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if initialized then
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return
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end
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initialized = true
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local opts = vim.g.preview or {}
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vim.validate('preview config', opts, 'table')
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if opts.debug ~= nil then
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vim.validate('preview config.debug', opts.debug, { 'boolean', 'string' })
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end
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if opts.providers ~= nil then
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vim.validate('preview config.providers', opts.providers, 'table')
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end
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config = vim.tbl_deep_extend('force', default_config, opts)
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log.set_enabled(config.debug)
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log.dbg('initialized with %d providers', vim.tbl_count(config.providers))
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end
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---@return preview.Config
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function M.get_config()
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init()
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return config
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end
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---@param bufnr? integer
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---@return string?
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function M.resolve_provider(bufnr)
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init()
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bufnr = bufnr or vim.api.nvim_get_current_buf()
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local ft = vim.bo[bufnr].filetype
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if not config.providers[ft] then
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log.dbg('no provider configured for filetype: %s', ft)
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return nil
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end
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return ft
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end
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---@param bufnr? integer
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---@return preview.Context
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function M.build_context(bufnr)
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init()
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bufnr = bufnr or vim.api.nvim_get_current_buf()
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local file = vim.api.nvim_buf_get_name(bufnr)
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local root = vim.fs.root(bufnr, { '.git' }) or vim.fn.fnamemodify(file, ':h')
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return {
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bufnr = bufnr,
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file = file,
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root = root,
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ft = vim.bo[bufnr].filetype,
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}
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end
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---@param bufnr? integer
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function M.compile(bufnr)
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init()
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bufnr = bufnr or vim.api.nvim_get_current_buf()
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local name = M.resolve_provider(bufnr)
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if not name then
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vim.notify('[preview.nvim] no provider configured for this filetype', vim.log.levels.WARN)
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return
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end
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local provider = config.providers[name]
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local ctx = M.build_context(bufnr)
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compiler.compile(bufnr, name, provider, ctx)
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end
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---@param bufnr? integer
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function M.stop(bufnr)
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init()
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bufnr = bufnr or vim.api.nvim_get_current_buf()
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compiler.stop(bufnr)
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end
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---@param bufnr? integer
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function M.clean(bufnr)
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init()
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bufnr = bufnr or vim.api.nvim_get_current_buf()
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local name = M.resolve_provider(bufnr)
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if not name then
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vim.notify('[preview.nvim] no provider configured for this filetype', vim.log.levels.WARN)
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return
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end
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local provider = config.providers[name]
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local ctx = M.build_context(bufnr)
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compiler.clean(bufnr, name, provider, ctx)
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end
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---@param bufnr? integer
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function M.watch(bufnr)
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init()
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bufnr = bufnr or vim.api.nvim_get_current_buf()
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local name = M.resolve_provider(bufnr)
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if not name then
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vim.notify('[preview.nvim] no provider configured for this filetype', vim.log.levels.WARN)
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return
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end
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local provider = config.providers[name]
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compiler.watch(bufnr, name, provider, M.build_context)
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end
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---@class preview.Status
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---@field compiling boolean
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---@field watching boolean
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---@field provider? string
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---@field output_file? string
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---@param bufnr? integer
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---@return preview.Status
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function M.status(bufnr)
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init()
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bufnr = bufnr or vim.api.nvim_get_current_buf()
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return compiler.status(bufnr)
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end
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M._test = {
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---@diagnostic disable-next-line: assign-type-mismatch
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reset = function()
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initialized = false
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config = vim.deepcopy(default_config)
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end,
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}
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return M
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