Merge pull request #36 from barrett-ruth/feat/diff

deprecate diff mode

doc/cp.txt

@@ -55,9 +55,6 @@ Action Commands ~
 :CP debug                       Compile with debug flags and run current problem.
                                 Includes sanitizers and debug symbols.
 
-:CP diff                        Enter diff mode to compare actual vs expected
-                                output. Run again to exit diff mode.
-
 Navigation Commands ~
 
 :CP next                        Navigate to next problem in current contest.
@@ -241,15 +238,12 @@ Example: Setting up and solving AtCoder contest ABC324
 5. If needed, debug: >
     :CP debug
 <
-6. Compare output visually: >
-    :CP diff
-<
-7. Move to next problem: >
+6. Move to next problem: >
     :CP next
 <   This automatically sets up problem B
 
-8. Continue solving problems with :CP next/:CP prev navigation
-9. Submit solutions on AtCoder website
+7. Continue solving problems with :CP next/:CP prev navigation
+8. Submit solutions on AtCoder website
 
 Example: Quick setup for single Codeforces problem >
     :CP codeforces 1933 a       " One command setup

lua/cp/init.lua

@@ -23,16 +23,14 @@ local state = {
 	platform = nil,
 	contest_id = nil,
 	problem_id = nil,
-	diff_mode = false,
 	saved_layout = nil,
 	saved_session = nil,
-	temp_output = nil,
 	test_cases = nil,
 	test_states = {},
 }
 
 local platforms = { "atcoder", "codeforces", "cses" }
-local actions = { "run", "debug", "diff", "next", "prev" }
+local actions = { "run", "debug", "next", "prev" }
 
 local function set_platform(platform)
 	if not vim.tbl_contains(platforms, platform) then
@@ -66,19 +64,6 @@ local function setup_problem(contest_id, problem_id, language)
 		)
 	end
 
-	if state.diff_mode then
-		vim.cmd.diffoff()
-		if state.saved_session then
-			vim.fn.delete(state.saved_session)
-			state.saved_session = nil
-		end
-		if state.temp_output then
-			vim.fn.delete(state.temp_output)
-			state.temp_output = nil
-		end
-		state.diff_mode = false
-	end
-
 	vim.cmd("silent only")
 
 	state.contest_id = contest_id
@@ -207,61 +192,6 @@ local function debug_problem()
 	end)
 end
 
-local function diff_problem()
-	if state.diff_mode then
-		vim.cmd.diffoff()
-		if state.saved_session then
-			vim.cmd(("source %s"):format(state.saved_session))
-			vim.fn.delete(state.saved_session)
-			state.saved_session = nil
-		end
-		if state.temp_output then
-			vim.fn.delete(state.temp_output)
-			state.temp_output = nil
-		end
-		state.diff_mode = false
-		return
-	end
-
-	local problem_id = get_current_problem()
-	if not problem_id then
-		return
-	end
-
-	local ctx = problem.create_context(state.platform, state.contest_id, state.problem_id, config)
-
-	if vim.fn.filereadable(ctx.expected_file) == 0 then
-		logger.log("no expected output file found", vim.log.levels.WARN)
-		return
-	end
-
-	if vim.fn.filereadable(ctx.output_file) == 0 then
-		logger.log("no output file found. run the problem first", vim.log.levels.WARN)
-		return
-	end
-
-	local output_lines = vim.fn.readfile(ctx.output_file)
-	local actual_output = {}
-	for i = 1, #output_lines do
-		if output_lines[i]:match("^%[code%]:") then
-			break
-		end
-		table.insert(actual_output, output_lines[i])
-	end
-
-	state.temp_output = vim.fn.tempname()
-	vim.fn.writefile(actual_output, state.temp_output)
-
-	state.saved_session = vim.fn.tempname()
-	vim.cmd(("mksession! %s"):format(state.saved_session))
-
-	vim.cmd("silent only")
-	vim.cmd(("edit %s"):format(state.temp_output))
-	vim.cmd.diffthis()
-	vim.cmd(("vertical diffsplit %s"):format(ctx.expected_file))
-	state.diff_mode = true
-end
-
 ---@param delta number 1 for next, -1 for prev
 ---@param language? string
 local function navigate_problem(delta, language)
@@ -396,8 +326,6 @@ function M.handle_command(opts)
 			run_problem()
 		elseif cmd.action == "debug" then
 			debug_problem()
-		elseif cmd.action == "diff" then
-			diff_problem()
 		elseif cmd.action == "next" then
 			navigate_problem(1, cmd.language)
 		elseif cmd.action == "prev" then

lua/cp/window.lua

@@ -122,42 +122,6 @@ function M.restore_layout(state, tile_fn)
 	end
 end
 
----@param actual_output string
----@param expected_output string
----@param input_file string
-function M.setup_diff_layout(actual_output, expected_output, input_file)
-	vim.validate({
-		actual_output = { actual_output, "string" },
-		expected_output = { expected_output, "string" },
-		input_file = { input_file, "string" },
-	})
-
-	vim.cmd.diffoff()
-	vim.cmd("silent only")
-
-	local output_lines = vim.split(actual_output, "\n")
-	local output_buf = vim.api.nvim_create_buf(false, true)
-	vim.api.nvim_buf_set_lines(output_buf, 0, -1, false, output_lines)
-	vim.bo[output_buf].filetype = "cp"
-
-	vim.cmd.edit()
-	vim.api.nvim_set_current_buf(output_buf)
-	M.clearcol()
-	vim.cmd.diffthis()
-
-	vim.cmd.vsplit(expected_output)
-	vim.bo.filetype = "cp"
-	M.clearcol()
-	vim.cmd.diffthis()
-
-	vim.cmd.wincmd("h")
-	vim.cmd(("botright split %s"):format(input_file))
-	vim.bo.filetype = "cp"
-	M.clearcol()
-	vim.cmd(("resize %d"):format(math.floor(vim.o.lines * 0.3)))
-	vim.cmd.wincmd("k")
-end
-
 ---@param source_buf integer
 ---@param input_buf integer
 ---@param output_buf integer

plugin/cp.lua

@@ -4,7 +4,7 @@ end
 vim.g.loaded_cp = 1
 
 local platforms = { "atcoder", "codeforces", "cses" }
-local actions = { "run", "debug", "diff", "next", "prev" }
+local actions = { "run", "debug", "next", "prev" }
 
 vim.api.nvim_create_user_command("CP", function(opts)
 	local cp = require("cp")

readme.md

@@ -62,6 +62,7 @@ follows:
 ## Similar Projects
 
 - [competitest.nvim](https://github.com/xeluxee/competitest.nvim)
+- [assistant.nvim](https://github.com/A7Lavinraj/assistant.nvim)
 
 ## TODO
 
@@ -70,3 +71,5 @@ follows:
 - test case management
 - USACO support
 - new video with functionality, notify discord members
+- note that codeforces support is scuffed: https://codeforces.com/blog/entry/146423
+- codeforces: use round number & api not the contest id