564 lines
15 KiB
Lua
564 lines
15 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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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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saved_layout = nil,
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saved_session = nil,
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test_cases = nil,
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test_states = {},
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test_panel_active = false,
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}
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local constants = require("cp.constants")
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local platforms = constants.PLATFORMS
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local actions = constants.ACTIONS
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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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---@param language? string
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local function setup_problem(contest_id, problem_id, language)
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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 problem_name = state.platform == "cses" and contest_id or (contest_id .. (problem_id or ""))
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logger.log(("setting up problem: %s"):format(problem_name))
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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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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 cached_test_cases = cache.get_test_cases(state.platform, contest_id, problem_id)
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if cached_test_cases then
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state.test_cases = cached_test_cases
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end
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local scrape_ctx = problem.create_context(state.platform, contest_id, problem_id, config, language)
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local scrape_result = scrape.scrape_problem(scrape_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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state.test_cases = nil
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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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state.test_cases = scrape_result.test_cases
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if scrape_result.test_cases then
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cache.set_test_cases(state.platform, contest_id, problem_id, scrape_result.test_cases)
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end
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end
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vim.cmd.e(scrape_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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local constants = require("cp.constants")
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local filetype = vim.api.nvim_get_option_value("filetype", { buf = 0 })
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local language_name = constants.filetype_to_language[filetype]
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local canonical_language = constants.canonical_filetypes[language_name] or language_name
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local prefixed_trigger = ("cp.nvim/%s.%s"):format(state.platform, canonical_language)
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vim.api.nvim_buf_set_lines(0, 0, -1, false, { prefixed_trigger })
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vim.api.nvim_win_set_cursor(0, { 1, #prefixed_trigger })
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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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else
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vim.api.nvim_buf_set_lines(0, 0, 1, false, { "" })
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vim.api.nvim_win_set_cursor(0, { 1, 0 })
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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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local ctx = problem.create_context(state.platform, state.contest_id, state.problem_id, config, language)
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if config.hooks and config.hooks.setup_code then
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config.hooks.setup_code(ctx)
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end
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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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logger.log(("running problem: %s"):format(problem_id))
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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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local ctx = problem.create_context(state.platform, state.contest_id, state.problem_id, config)
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if config.hooks and config.hooks.before_run then
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config.hooks.before_run(ctx)
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end
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vim.schedule(function()
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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 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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local ctx = problem.create_context(state.platform, state.contest_id, state.problem_id, config)
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if config.hooks and config.hooks.before_debug then
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config.hooks.before_debug(ctx)
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end
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vim.schedule(function()
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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 toggle_test_panel()
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if state.test_panel_active then
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if state.saved_session then
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vim.cmd(("source %s"):format(state.saved_session))
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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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state.test_panel_active = false
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logger.log("test panel closed")
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return
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end
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if state.platform == "codeforces" then
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logger.log("test panel not yet supported for codeforces", vim.log.levels.ERROR)
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return
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end
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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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local test_module = require("cp.test")
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if not test_module.load_test_cases(ctx, state) then
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logger.log("no test cases found", vim.log.levels.WARN)
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return
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end
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state.saved_session = vim.fn.tempname()
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vim.cmd(("mksession! %s"):format(state.saved_session))
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vim.cmd("silent only")
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local test_buf = vim.api.nvim_create_buf(false, true)
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vim.api.nvim_set_current_buf(test_buf)
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vim.bo.filetype = "cptest"
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vim.bo.bufhidden = "wipe"
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local function navigate_test(delta)
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local test_state = test_module.get_test_panel_state()
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local new_index = test_state.current_index + delta
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if new_index >= 1 and new_index <= #test_state.test_cases then
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test_state.current_index = new_index
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toggle_test_panel()
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toggle_test_panel()
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end
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end
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local function run_current_test()
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local ctx = problem.create_context(state.platform, state.contest_id, state.problem_id, config)
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local contest_config = config.contests[state.platform]
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local test_state = test_module.get_test_panel_state()
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test_module.run_test_case(ctx, contest_config, test_state.current_index)
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toggle_test_panel()
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toggle_test_panel()
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end
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vim.keymap.set("n", "j", function() navigate_test(1) end, { buffer = test_buf, silent = true })
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vim.keymap.set("n", "k", function() navigate_test(-1) end, { buffer = test_buf, silent = true })
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vim.keymap.set("n", "<CR>", run_current_test, { buffer = test_buf, silent = true })
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vim.keymap.set("n", "q", function() toggle_test_panel() end, { buffer = test_buf, silent = true })
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local test_state = test_module.get_test_panel_state()
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local test_lines = {}
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for i, test_case in ipairs(test_state.test_cases) do
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local status_icon = "?"
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local status_text = "PENDING"
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if test_case.status == "pass" then
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status_icon = "✓"
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status_text = "PASS"
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elseif test_case.status == "fail" then
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status_icon = "✗"
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status_text = "FAIL"
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end
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local time_text = test_case.time_ms and string.format("%.0fms", test_case.time_ms) or ""
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local prefix = i == test_state.current_index and "> " or " "
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table.insert(test_lines, string.format("%s%d %s %s %s", prefix, i, status_icon, status_text, time_text))
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end
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table.insert(test_lines, "")
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local current_test = test_state.test_cases[test_state.current_index]
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if current_test then
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table.insert(test_lines, string.format("── Test %d ──", test_state.current_index))
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table.insert(test_lines, "Input:")
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for _, line in ipairs(vim.split(current_test.input, "\n", { plain = true, trimempty = true })) do
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table.insert(test_lines, line)
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end
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table.insert(test_lines, "Expected:")
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for _, line in ipairs(vim.split(current_test.expected, "\n", { plain = true, trimempty = true })) do
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table.insert(test_lines, line)
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end
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if current_test.actual then
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table.insert(test_lines, "Actual:")
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for _, line in ipairs(vim.split(current_test.actual, "\n", { plain = true, trimempty = true })) do
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table.insert(test_lines, line)
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end
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end
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end
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vim.api.nvim_buf_set_lines(test_buf, 0, -1, false, test_lines)
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vim.bo.modifiable = false
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state.test_panel_active = true
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logger.log(string.format("test panel opened (%d test cases)", #test_state.test_cases))
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end
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---@param delta number 1 for next, -1 for prev
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---@param language? string
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local function navigate_problem(delta, language)
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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, nil, language)
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else
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setup_problem(state.contest_id, new_problem.id, language)
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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 {
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type = "error",
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message = "Usage: :CP <platform> <contest> [problem] [--lang=<language>] | :CP <action> | :CP <problem>",
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}
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end
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local language = nil
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for i, arg in ipairs(args) do
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local lang_match = arg:match("^--lang=(.+)$")
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if lang_match then
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language = lang_match
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elseif arg == "--lang" then
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if i + 1 <= #args then
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language = args[i + 1]
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else
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return { type = "error", message = "--lang requires a value" }
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end
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end
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end
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local filtered_args = vim.tbl_filter(function(arg)
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return not (arg:match("^--lang") or arg == language)
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end, args)
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local first = filtered_args[1]
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if vim.tbl_contains(actions, first) then
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return { type = "action", action = first, language = language }
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end
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if vim.tbl_contains(platforms, first) then
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if #filtered_args == 1 then
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return {
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type = "platform_only",
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platform = first,
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language = language,
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}
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elseif #filtered_args == 2 then
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if first == "cses" then
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return {
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type = "cses_problem",
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platform = first,
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problem = filtered_args[2],
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language = language,
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}
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else
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return {
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type = "contest_setup",
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platform = first,
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contest = filtered_args[2],
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language = language,
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}
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end
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elseif #filtered_args == 3 then
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return {
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type = "full_setup",
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platform = first,
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contest = filtered_args[2],
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problem = filtered_args[3],
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language = language,
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}
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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, language = language }
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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 == "test" then
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toggle_test_panel()
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elseif cmd.action == "next" then
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navigate_problem(1, cmd.language)
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elseif cmd.action == "prev" then
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navigate_problem(-1, cmd.language)
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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, cmd.language)
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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, "")
|
|
if not metadata_result.success then
|
|
logger.log(
|
|
"failed to load contest metadata: " .. (metadata_result.error or "unknown error"),
|
|
vim.log.levels.WARN
|
|
)
|
|
end
|
|
setup_problem(cmd.problem, nil, cmd.language)
|
|
end
|
|
return
|
|
end
|
|
|
|
if cmd.type == "problem_switch" then
|
|
if state.platform == "cses" then
|
|
setup_problem(cmd.problem, nil, cmd.language)
|
|
else
|
|
setup_problem(state.contest_id, cmd.problem, cmd.language)
|
|
end
|
|
return
|
|
end
|
|
end
|
|
|
|
function M.setup(opts)
|
|
opts = opts or {}
|
|
user_config = opts
|
|
config = config_module.setup(user_config)
|
|
logger.set_config(config)
|
|
if not snippets_initialized then
|
|
snippets.setup(config)
|
|
snippets_initialized = true
|
|
end
|
|
end
|
|
|
|
function M.get_current_context()
|
|
return {
|
|
platform = state.platform,
|
|
contest_id = state.contest_id,
|
|
problem_id = state.problem_id,
|
|
}
|
|
end
|
|
|
|
function M.is_initialized()
|
|
return true
|
|
end
|
|
|
|
return M
|