423 lines
11 KiB
Lua
423 lines
11 KiB
Lua
local M = {}
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local config_module = require("cp.config")
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local snippets = require("cp.snippets")
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local execute = require("cp.execute")
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local scrape = require("cp.scrape")
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local window = require("cp.window")
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local logger = require("cp.log")
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local problem = require("cp.problem")
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local cache = require("cp.cache")
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if not vim.fn.has("nvim-0.10.0") then
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vim.notify("[cp.nvim]: requires nvim-0.10.0+", vim.log.levels.ERROR)
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return {}
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end
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vim.g.cp = vim.g.cp or {}
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local user_config = {}
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local config = config_module.setup(user_config)
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logger.set_config(config)
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local snippets_initialized = false
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local state = {
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platform = nil,
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contest_id = nil,
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problem_id = nil,
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diff_mode = false,
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saved_layout = nil,
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saved_session = nil,
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temp_output = nil,
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}
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local platforms = { "atcoder", "codeforces", "cses" }
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local actions = { "run", "debug", "diff", "next", "prev" }
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local function set_platform(platform)
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if not vim.tbl_contains(platforms, platform) then
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logger.log(("unknown platform. Available: [%s]"):format(table.concat(platforms, ", ")), vim.log.levels.ERROR)
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return false
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end
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state.platform = platform
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vim.fn.mkdir("build", "p")
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vim.fn.mkdir("io", "p")
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return true
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end
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---@param contest_id string
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---@param problem_id? string
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local function setup_problem(contest_id, problem_id)
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if not state.platform then
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logger.log("no platform set. run :CP <platform> <contest> first", vim.log.levels.ERROR)
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return
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end
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local metadata_result = scrape.scrape_contest_metadata(state.platform, contest_id)
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if not metadata_result.success then
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logger.log(
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"failed to load contest metadata: " .. (metadata_result.error or "unknown error"),
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vim.log.levels.WARN
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)
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end
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if state.diff_mode then
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vim.cmd.diffoff()
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if state.saved_session then
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vim.fn.delete(state.saved_session)
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state.saved_session = nil
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end
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if state.temp_output then
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vim.fn.delete(state.temp_output)
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state.temp_output = nil
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end
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state.diff_mode = false
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end
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vim.cmd("silent only")
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state.contest_id = contest_id
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state.problem_id = problem_id
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local ctx = problem.create_context(state.platform, contest_id, problem_id, config)
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local scrape_result = scrape.scrape_problem(ctx)
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if not scrape_result.success then
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logger.log("scraping failed: " .. (scrape_result.error or "unknown error"), vim.log.levels.WARN)
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logger.log("you can manually add test cases to io/ directory", vim.log.levels.INFO)
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else
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local test_count = scrape_result.test_count or 0
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logger.log(("scraped %d test case(s) for %s"):format(test_count, scrape_result.problem_id))
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end
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vim.cmd.e(ctx.source_file)
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if vim.api.nvim_buf_get_lines(0, 0, -1, true)[1] == "" then
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local has_luasnip, luasnip = pcall(require, "luasnip")
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if has_luasnip then
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vim.api.nvim_buf_set_lines(0, 0, -1, false, { state.platform })
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vim.api.nvim_win_set_cursor(0, { 1, #state.platform })
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vim.cmd.startinsert({ bang = true })
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vim.schedule(function()
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if luasnip.expandable() then
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luasnip.expand()
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end
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vim.cmd.stopinsert()
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end)
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else
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vim.api.nvim_input(("i%s<c-space><esc>"):format(state.platform))
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end
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end
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vim.api.nvim_set_option_value("winbar", "", { scope = "local" })
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vim.api.nvim_set_option_value("foldlevel", 0, { scope = "local" })
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vim.api.nvim_set_option_value("foldmethod", "marker", { scope = "local" })
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vim.api.nvim_set_option_value("foldmarker", "{{{,}}}", { scope = "local" })
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vim.api.nvim_set_option_value("foldtext", "", { scope = "local" })
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vim.diagnostic.enable(false)
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local source_buf = vim.api.nvim_get_current_buf()
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local input_buf = vim.fn.bufnr(ctx.input_file, true)
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local output_buf = vim.fn.bufnr(ctx.output_file, true)
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local tile_fn = config.tile or window.default_tile
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tile_fn(source_buf, input_buf, output_buf)
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logger.log(("switched to problem %s"):format(ctx.problem_name))
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end
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local function get_current_problem()
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local filename = vim.fn.expand("%:t:r")
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if filename == "" then
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logger.log("no file open", vim.log.levels.ERROR)
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return nil
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end
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return filename
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end
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local function run_problem()
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local problem_id = get_current_problem()
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if not problem_id then
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return
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end
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if config.hooks and config.hooks.before_run then
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config.hooks.before_run(problem_id)
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end
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if not state.platform then
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logger.log("no platform set", vim.log.levels.ERROR)
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return
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end
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local contest_config = config.contests[state.platform]
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vim.schedule(function()
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local ctx = problem.create_context(state.platform, state.contest_id, state.problem_id, config)
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execute.run_problem(ctx, contest_config, false)
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vim.cmd.checktime()
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end)
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end
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local function debug_problem()
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local problem_id = get_current_problem()
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if not problem_id then
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return
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end
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if config.hooks and config.hooks.before_debug then
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config.hooks.before_debug(problem_id)
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end
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if not state.platform then
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logger.log("no platform set", vim.log.levels.ERROR)
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return
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end
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local contest_config = config.contests[state.platform]
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vim.schedule(function()
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local ctx = problem.create_context(state.platform, state.contest_id, state.problem_id, config)
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execute.run_problem(ctx, contest_config, true)
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vim.cmd.checktime()
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end)
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end
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local function diff_problem()
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if state.diff_mode then
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local tile_fn = config.tile or window.default_tile
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window.restore_layout(state.saved_layout, tile_fn)
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state.diff_mode = false
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state.saved_layout = nil
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logger.log("exited diff mode")
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else
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local problem_id = get_current_problem()
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if not problem_id then
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return
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end
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local ctx = problem.create_context(state.platform, state.contest_id, state.problem_id, config)
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if vim.fn.filereadable(ctx.expected_file) == 0 then
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logger.log(("No expected output file found: %s"):format(ctx.expected_file), vim.log.levels.ERROR)
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return
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end
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state.saved_layout = window.save_layout()
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local result = vim.system({ "awk", "/^\\[[^]]*\\]:/ {exit} {print}", ctx.output_file }, { text = true }):wait()
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local actual_output = result.stdout
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window.setup_diff_layout(actual_output, ctx.expected_file, ctx.input_file)
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state.diff_mode = true
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logger.log("entered diff mode")
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end
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end
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---@param delta number 1 for next, -1 for prev
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local function navigate_problem(delta)
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if not state.platform or not state.contest_id then
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logger.log("no contest set. run :CP <platform> <contest> first", vim.log.levels.ERROR)
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return
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end
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cache.load()
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local contest_data = cache.get_contest_data(state.platform, state.contest_id)
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if not contest_data or not contest_data.problems then
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logger.log("no contest metadata found. set up a problem first to cache contest data", vim.log.levels.ERROR)
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return
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end
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local problems = contest_data.problems
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local current_problem_id
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if state.platform == "cses" then
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current_problem_id = state.contest_id
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else
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current_problem_id = state.problem_id
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end
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if not current_problem_id then
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logger.log("no current problem set", vim.log.levels.ERROR)
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return
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end
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local current_index = nil
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for i, prob in ipairs(problems) do
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if prob.id == current_problem_id then
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current_index = i
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break
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end
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end
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if not current_index then
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logger.log("current problem not found in contest", vim.log.levels.ERROR)
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return
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end
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local new_index = current_index + delta
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if new_index < 1 or new_index > #problems then
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local direction = delta > 0 and "next" or "previous"
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logger.log(("no %s problem available"):format(direction), vim.log.levels.INFO)
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return
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end
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local new_problem = problems[new_index]
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if state.platform == "cses" then
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setup_problem(new_problem.id)
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else
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setup_problem(state.contest_id, new_problem.id)
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end
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end
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local function parse_command(args)
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if #args == 0 then
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return { type = "error", message = "Usage: :CP <platform> <contest> [problem] | :CP <action> | :CP <problem>" }
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end
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local first = args[1]
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if vim.tbl_contains(actions, first) then
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return { type = "action", action = first }
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end
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if vim.tbl_contains(platforms, first) then
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if #args == 1 then
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return { type = "platform_only", platform = first }
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elseif #args == 2 then
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if first == "cses" then
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return { type = "cses_problem", platform = first, problem = args[2] }
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else
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return { type = "contest_setup", platform = first, contest = args[2] }
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end
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elseif #args == 3 then
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return { type = "full_setup", platform = first, contest = args[2], problem = args[3] }
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else
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return { type = "error", message = "Too many arguments" }
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end
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end
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if state.platform and state.contest_id then
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return { type = "problem_switch", problem = first }
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end
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return { type = "error", message = "Unknown command or no contest context" }
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end
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function M.handle_command(opts)
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local cmd = parse_command(opts.fargs)
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if cmd.type == "error" then
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logger.log(cmd.message, vim.log.levels.ERROR)
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return
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end
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if cmd.type == "action" then
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if cmd.action == "run" then
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run_problem()
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elseif cmd.action == "debug" then
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debug_problem()
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elseif cmd.action == "diff" then
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diff_problem()
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elseif cmd.action == "next" then
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navigate_problem(1)
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elseif cmd.action == "prev" then
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navigate_problem(-1)
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end
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return
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end
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if cmd.type == "platform_only" then
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set_platform(cmd.platform)
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return
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end
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if cmd.type == "contest_setup" then
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if set_platform(cmd.platform) then
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state.contest_id = cmd.contest
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local metadata_result = scrape.scrape_contest_metadata(cmd.platform, cmd.contest)
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if not metadata_result.success then
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logger.log(
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"failed to load contest metadata: " .. (metadata_result.error or "unknown error"),
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vim.log.levels.WARN
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)
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else
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logger.log(
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("loaded %d problems for %s %s"):format(#metadata_result.problems, cmd.platform, cmd.contest)
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)
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end
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end
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return
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end
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if cmd.type == "full_setup" then
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if set_platform(cmd.platform) then
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state.contest_id = cmd.contest
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local metadata_result = scrape.scrape_contest_metadata(cmd.platform, cmd.contest)
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if not metadata_result.success then
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logger.log(
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"failed to load contest metadata: " .. (metadata_result.error or "unknown error"),
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vim.log.levels.WARN
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)
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else
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logger.log(
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("loaded %d problems for %s %s"):format(#metadata_result.problems, cmd.platform, cmd.contest)
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)
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end
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setup_problem(cmd.contest, cmd.problem)
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end
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return
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end
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if cmd.type == "cses_problem" then
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if set_platform(cmd.platform) then
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local metadata_result = scrape.scrape_contest_metadata(cmd.platform, "")
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if not metadata_result.success then
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logger.log(
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"failed to load contest metadata: " .. (metadata_result.error or "unknown error"),
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vim.log.levels.WARN
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)
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end
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setup_problem(cmd.problem)
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end
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return
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end
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if cmd.type == "problem_switch" then
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if state.platform == "cses" then
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setup_problem(cmd.problem)
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else
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setup_problem(state.contest_id, cmd.problem)
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end
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return
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end
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end
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function M.setup(opts)
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opts = opts or {}
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user_config = opts
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config = config_module.setup(user_config)
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logger.set_config(config)
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if not snippets_initialized then
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snippets.setup(config)
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snippets_initialized = true
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end
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end
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function M.is_initialized()
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return true
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end
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return M
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