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Copy pathbuffer.lua
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788 lines (678 loc) · 24.2 KB
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local ctx = require('opencode.ui.renderer.ctx')
local state = require('opencode.state')
local output_window = require('opencode.ui.output_window')
local M = {}
local pinned_bottom_message_ids = {
['permission-display-message'] = true,
['question-display-message'] = true,
}
local pinned_top_message_ids = {
['__opencode_hidden_messages_notice__'] = true,
}
---@param message_id string|nil
---@return boolean
local function is_pinned_bottom_message(message_id)
return message_id ~= nil and pinned_bottom_message_ids[message_id] == true
end
---@param message_id string|nil
---@return boolean
local function is_pinned_top_message(message_id)
return message_id ~= nil and pinned_top_message_ids[message_id] == true
end
---@param extmarks table<number, OutputExtmark[]|fun(): OutputExtmark>[]|table<number, OutputExtmark[]>|nil
---@return boolean
local function has_extmarks(extmarks)
return type(extmarks) == 'table' and next(extmarks) ~= nil
end
---@param extmarks table<number, OutputExtmark[]>
---@param line_start integer
local function accumulate_bulk_extmarks(extmarks, line_start)
for line_idx, marks in pairs(extmarks) do
local actual_line = line_start + line_idx
local bucket = ctx.bulk_extmarks_by_line[actual_line]
if not bucket then
bucket = {}
ctx.bulk_extmarks_by_line[actual_line] = bucket
end
for _, mark in ipairs(marks) do
local copy = vim.deepcopy(mark)
if copy.end_row then
copy.end_row = line_start + copy.end_row
end
bucket[#bucket + 1] = copy
end
end
end
---@param folds table<{from: number, to: number}>
---@param line_start integer
local function accumulate_bulk_folds(folds, line_start)
for _, range in ipairs(folds or {}) do
table.insert(ctx.bulk_folds, {
from = line_start + range.from,
to = line_start + range.to,
})
end
end
---@param actions OutputAction[]|nil
---@return boolean
local function has_actions(actions)
return type(actions) == 'table' and #actions > 0
end
---@param previous_formatted Output|nil
---@param formatted_data Output
---@return integer
local function unchanged_prefix_len(previous_formatted, formatted_data)
local previous_lines = previous_formatted and previous_formatted.lines or {}
local next_lines = formatted_data and formatted_data.lines or {}
local prefix_len = 0
for i = 1, math.min(#previous_lines, #next_lines) do
if previous_lines[i] ~= next_lines[i] then
break
end
prefix_len = i
end
return prefix_len
end
---@param lines string[]|nil
---@param start_idx integer
---@return string[]
local function slice_lines(lines, start_idx)
local slice = {}
for i = start_idx, #(lines or {}) do
slice[#slice + 1] = lines[i]
end
return slice
end
---@param extmarks table<number, OutputExtmark[]>|nil
---@param start_line integer
---@return table<number, OutputExtmark[]>
local function slice_extmarks(extmarks, start_line)
local slice = {}
for line_idx, marks in pairs(extmarks or {}) do
if line_idx < 0 then
slice[line_idx] = vim.deepcopy(marks)
elseif line_idx >= start_line then
slice[line_idx - start_line] = vim.deepcopy(marks)
end
end
return slice
end
---@param folds table<{from: number, to: number}>|nil
---@param start_line integer
---@return table<{from: number, to: number}>
local function slice_folds(folds, start_line)
local slice = {}
for i, range in ipairs(folds or {}) do
if range.from >= start_line then
table.insert(slice, {
from = range.from - start_line,
to = range.to - start_line,
})
end
end
return slice
end
---@param mark OutputExtmark|fun(): OutputExtmark
---@return OutputExtmark
local function resolve_mark(mark)
return type(mark) == 'function' and mark() or mark
end
---@param a (OutputExtmark|fun(): OutputExtmark)[]|nil
---@param b (OutputExtmark|fun(): OutputExtmark)[]|nil
---@return boolean
local function marks_equal(a, b)
a = a or {}
b = b or {}
if #a ~= #b then
return false
end
for i = 1, #a do
if not vim.deep_equal(resolve_mark(a[i]), resolve_mark(b[i])) then
return false
end
end
return true
end
---@param previous_formatted Output|nil
---@param formatted_data Output
---@return integer
local function unchanged_extmark_prefix_len(previous_formatted, formatted_data)
local previous_extmarks = previous_formatted and previous_formatted.extmarks or {}
local next_extmarks = formatted_data and formatted_data.extmarks or {}
for line_idx, _ in pairs(previous_extmarks) do
if line_idx < 0 and not marks_equal(previous_extmarks[line_idx], next_extmarks[line_idx]) then
return 0
end
end
for line_idx, _ in pairs(next_extmarks) do
if line_idx < 0 and not marks_equal(previous_extmarks[line_idx], next_extmarks[line_idx]) then
return 0
end
end
local previous_lines = previous_formatted and previous_formatted.lines or {}
local next_lines = formatted_data and formatted_data.lines or {}
local max_lines = math.max(#previous_lines, #next_lines)
local prefix_len = 0
for line_idx = 0, math.max(max_lines - 1, 0) do
local previous_marks = previous_formatted and previous_formatted.extmarks and previous_formatted.extmarks[line_idx]
or nil
local next_marks = formatted_data and formatted_data.extmarks and formatted_data.extmarks[line_idx] or nil
if not marks_equal(previous_marks, next_marks) then
break
end
prefix_len = line_idx + 1
end
return prefix_len
end
---@param start_line integer
---@param lines string[]
local function highlight_written_lines(start_line, lines)
if #lines == 0 then
return
end
output_window.highlight_changed_lines(start_line, start_line + #lines - 1)
end
---@param previous_formatted Output|nil
---@param formatted_data Output
---@param line_start integer
---@param old_line_end integer
---@param new_line_end integer
---@return integer clear_start
---@return integer clear_end
local function extmark_clear_range(previous_formatted, formatted_data, line_start, old_line_end, new_line_end)
local prefix_len = math.min(
unchanged_prefix_len(previous_formatted, formatted_data),
unchanged_extmark_prefix_len(previous_formatted, formatted_data)
)
---@param formatted Output|nil
---@return integer|nil
local function min_extmark_line(formatted)
local min_line = nil
for line_idx in pairs(formatted and formatted.extmarks or {}) do
if min_line == nil or line_idx < min_line then
min_line = line_idx
end
end
return min_line
end
---@param formatted Output|nil
---@param fallback integer
---@return integer
local function max_extmark_line(formatted, fallback)
local max_line = fallback
for line_idx in pairs(formatted and formatted.extmarks or {}) do
max_line = math.max(max_line, line_start + line_idx)
end
return max_line
end
local clear_start = line_start + prefix_len
local previous_min_extmark = min_extmark_line(previous_formatted)
local next_min_extmark = min_extmark_line(formatted_data)
if previous_min_extmark ~= nil then
clear_start = math.min(clear_start, line_start + previous_min_extmark)
end
if next_min_extmark ~= nil then
clear_start = math.min(clear_start, line_start + next_min_extmark)
end
clear_start = math.max(0, clear_start)
local clear_end = math.max(
max_extmark_line(previous_formatted, old_line_end),
max_extmark_line(formatted_data, new_line_end)
) + 1
return clear_start, clear_end
end
---@param previous_formatted Output|nil
---@param formatted_data Output
---@param line_start integer
---@param old_line_end integer
---@param new_line_end integer
---@param skip_clear? boolean
local function apply_extmarks(previous_formatted, formatted_data, line_start, old_line_end, new_line_end, skip_clear)
local clear_start, clear_end = extmark_clear_range(previous_formatted, formatted_data, line_start, old_line_end, new_line_end)
if not skip_clear then
output_window.clear_extmarks(clear_start, clear_end)
end
local extmark_start_line = math.max(0, clear_start - line_start)
local extmarks = slice_extmarks(formatted_data.extmarks, extmark_start_line)
if has_extmarks(extmarks) then
output_window.set_extmarks(extmarks, clear_start)
end
end
---@param message_id string
---@return integer
local function get_message_insert_line(message_id)
local rendered_message = ctx.render_state:get_message(message_id)
if rendered_message and rendered_message.line_start then
return rendered_message.line_start
end
if is_pinned_top_message(message_id) then
return 0
end
local line_count = output_window.get_buf_line_count()
local append_at = math.max(line_count - 1, 0)
if line_count == 1 then
local windows = state.windows
local output_buf = windows and windows.output_buf
if output_buf and vim.api.nvim_buf_is_valid(output_buf) then
local lines = vim.api.nvim_buf_get_lines(output_buf, 0, 1, false)
if lines[1] == '' then
return 0
end
end
end
local messages = state.messages or {}
local message_index = nil
for i, message in ipairs(messages) do
if message.info and message.info.id == message_id then
message_index = i
break
end
end
if not message_index then
if is_pinned_bottom_message(message_id) then
return append_at
end
for _, pinned_message_id in ipairs({ 'permission-display-message', 'question-display-message' }) do
local pinned_rendered = ctx.render_state:get_message(pinned_message_id)
if pinned_rendered and pinned_rendered.line_start then
return pinned_rendered.line_start
end
end
return append_at
end
if is_pinned_bottom_message(message_id) then
return append_at
end
for i = message_index + 1, #messages do
local next_message = messages[i]
if next_message and next_message.info and next_message.info.id then
if is_pinned_bottom_message(next_message.info.id) then
local next_rendered = ctx.render_state:get_message(next_message.info.id)
if next_rendered and next_rendered.line_start then
return next_rendered.line_start
end
end
local next_rendered = ctx.render_state:get_message(next_message.info.id)
if next_rendered and next_rendered.line_start then
return next_rendered.line_start
end
end
end
for _, pinned_message_id in ipairs({ 'permission-display-message', 'question-display-message' }) do
local pinned_rendered = ctx.render_state:get_message(pinned_message_id)
if pinned_rendered and pinned_rendered.line_start then
return pinned_rendered.line_start
end
end
return append_at
end
---@param part_id string
---@param message_id string
---@return integer|nil
local function get_part_insertion_line(part_id, message_id)
local rendered_message = ctx.render_state:get_message(message_id)
if not rendered_message or not rendered_message.message or not rendered_message.line_end then
return nil
end
local message = rendered_message.message
local insertion_line = rendered_message.line_end + 1
local current_part_index = nil
for i, part in ipairs(message.parts or {}) do
if part.id == part_id then
current_part_index = i
break
end
end
if not current_part_index then
return insertion_line
end
for i = current_part_index - 1, 1, -1 do
local previous = message.parts[i]
if previous and previous.id then
local previous_rendered = ctx.render_state:get_part(previous.id)
if previous_rendered and previous_rendered.line_end then
return previous_rendered.line_end + 1
end
end
end
return insertion_line
end
---@param lines string[]
---@param start_line integer
---@param end_line integer
---@return { line_start: integer, line_end: integer }
local function write_at(lines, start_line, end_line)
output_window.set_lines(lines, start_line, end_line)
highlight_written_lines(start_line, lines)
return {
line_start = start_line,
line_end = start_line + #lines - 1,
}
end
---@param part_id string
---@param formatted_data Output
---@param line_start integer
local function apply_part_actions(part_id, formatted_data, line_start)
if has_actions(formatted_data.actions) then
ctx.render_state:clear_actions(part_id)
ctx.render_state:add_actions(part_id, vim.deepcopy(formatted_data.actions), line_start)
else
ctx.render_state:clear_actions(part_id)
end
local part_data = ctx.render_state:get_part(part_id)
if part_data then
part_data.has_extmarks = has_extmarks(formatted_data.extmarks)
end
end
---@param part_id string
---@param formatted_data Output
local function set_part_extmark_state(part_id, formatted_data)
local part_data = ctx.render_state:get_part(part_id)
if part_data then
part_data.has_extmarks = has_extmarks(formatted_data.extmarks)
end
end
---@param message OpencodeMessage|nil
---@return string|nil
function M.get_last_part_for_message(message)
if not message or not message.parts or #message.parts == 0 then
return nil
end
for i = #message.parts, 1, -1 do
local part = message.parts[i]
if part.type ~= 'step-start' and part.type ~= 'step-finish' and part.id then
return part.id
end
end
return nil
end
---@param message OpencodeMessage|nil
---@return string|nil
function M.find_text_part_for_message(message)
if not message or not message.parts then
return nil
end
for _, part in ipairs(message.parts) do
if part.type == 'text' and not part.synthetic then
return part.id
end
end
return nil
end
---@param call_id string
---@param message_id string
---@return string|nil
function M.find_part_by_call_id(call_id, message_id)
return ctx.render_state:get_part_by_call_id(call_id, message_id)
end
---@param message_id string
---@param formatted_data Output
---@param previous_formatted Output|nil
---@return boolean
function M.upsert_message_now(message_id, formatted_data, previous_formatted)
if ctx.bulk_mode then
local line_start = #ctx.bulk_buffer_lines
local line_end = line_start + #formatted_data.lines - 1
for _, line in ipairs(formatted_data.lines) do
ctx.bulk_buffer_lines[#ctx.bulk_buffer_lines + 1] = line
end
if has_extmarks(formatted_data.extmarks) then
accumulate_bulk_extmarks(formatted_data.extmarks, line_start)
end
if formatted_data.fold_ranges then
accumulate_bulk_folds(formatted_data.fold_ranges, line_start)
end
local message_data = ctx.render_state:get_message(message_id)
if message_data then
ctx.render_state:set_message(message_data.message, line_start, line_end)
end
return true
end
local cached = ctx.render_state:get_message(message_id)
if cached and cached.line_start and cached.line_end then
local old_line_end = cached.line_end
local prefix_len = unchanged_prefix_len(previous_formatted, formatted_data)
local write_start = cached.line_start + prefix_len
local lines_to_write = slice_lines(formatted_data.lines, prefix_len + 1)
local clear_start, clear_end = extmark_clear_range(
previous_formatted,
formatted_data,
cached.line_start,
old_line_end,
cached.line_start + #formatted_data.lines - 1
)
output_window.clear_extmarks(clear_start, clear_end)
output_window.set_lines(lines_to_write, write_start, cached.line_end + 1)
highlight_written_lines(write_start, lines_to_write)
local new_line_end = cached.line_start + #formatted_data.lines - 1
apply_extmarks(previous_formatted, formatted_data, cached.line_start, old_line_end, new_line_end, true)
ctx.render_state:set_message(cached.message, cached.line_start, new_line_end)
local delta = new_line_end - old_line_end
if delta ~= 0 then
ctx.render_state:shift_all(old_line_end + 1, delta)
output_window.shift_folds(old_line_end + 1, delta)
end
return true
end
local insert_at = get_message_insert_line(message_id)
local message_data = ctx.render_state:get_message(message_id)
if message_data and message_data.message then
local range = write_at(formatted_data.lines, insert_at, insert_at)
if has_extmarks(formatted_data.extmarks) then
output_window.set_extmarks(formatted_data.extmarks, insert_at)
end
ctx.render_state:shift_all(insert_at, #formatted_data.lines)
output_window.shift_folds(insert_at, #formatted_data.lines)
ctx.render_state:set_message(message_data.message, range.line_start, range.line_end)
return true
end
return false
end
---@param part_id string
---@param message_id string
---@param formatted_data Output
---@param previous_formatted Output|nil
---@return boolean
function M.upsert_part_now(part_id, message_id, formatted_data, previous_formatted)
if ctx.bulk_mode then
local line_start = #ctx.bulk_buffer_lines
local line_end = line_start + #formatted_data.lines - 1
for _, line in ipairs(formatted_data.lines) do
ctx.bulk_buffer_lines[#ctx.bulk_buffer_lines + 1] = line
end
if has_extmarks(formatted_data.extmarks) then
accumulate_bulk_extmarks(formatted_data.extmarks, line_start)
end
if formatted_data.fold_ranges then
accumulate_bulk_folds(formatted_data.fold_ranges, line_start)
end
local part_data = ctx.render_state:get_part(part_id)
if part_data then
ctx.render_state:set_part(part_data.part, line_start, line_end)
apply_part_actions(part_id, formatted_data, line_start)
end
return true
end
local cached = ctx.render_state:get_part(part_id)
if cached and cached.line_start and cached.line_end then
local old_line_end = cached.line_end
local prefix_len = unchanged_prefix_len(previous_formatted, formatted_data)
local write_start = cached.line_start + prefix_len
local lines_to_write = slice_lines(formatted_data.lines, prefix_len + 1)
local clear_start, clear_end = extmark_clear_range(
previous_formatted,
formatted_data,
cached.line_start,
old_line_end,
cached.line_start + #formatted_data.lines - 1
)
output_window.clear_extmarks(clear_start, clear_end)
output_window.set_lines(lines_to_write, write_start, cached.line_end + 1)
highlight_written_lines(write_start, lines_to_write)
local new_line_end = cached.line_start + #formatted_data.lines - 1
apply_part_actions(part_id, formatted_data, cached.line_start)
if new_line_end ~= cached.line_end then
ctx.render_state:update_part_lines(part_id, cached.line_start, new_line_end)
end
apply_extmarks(previous_formatted, formatted_data, cached.line_start, old_line_end, new_line_end, true)
set_part_extmark_state(part_id, formatted_data)
if formatted_data.fold_ranges and #formatted_data.fold_ranges > 0 then
M.update_part_folds(part_id)
end
return true
end
local insert_at = get_part_insertion_line(part_id, message_id)
if not insert_at then
return false
end
local part_data = ctx.render_state:get_part(part_id)
if part_data and part_data.part then
local range = write_at(formatted_data.lines, insert_at, insert_at)
ctx.render_state:shift_all(insert_at, #formatted_data.lines)
output_window.shift_folds(insert_at, #formatted_data.lines)
ctx.render_state:set_part(part_data.part, range.line_start, range.line_end)
apply_part_actions(part_id, formatted_data, range.line_start)
if has_extmarks(formatted_data.extmarks) then
output_window.set_extmarks(formatted_data.extmarks, range.line_start)
end
set_part_extmark_state(part_id, formatted_data)
if formatted_data.fold_ranges and #formatted_data.fold_ranges > 0 then
M.set_all_folds()
end
return true
end
return false
end
function M.set_all_folds()
local all_folds = {}
ctx.part_folds = {}
for part_id_iter, data in pairs(ctx.formatted_parts) do
if data.fold_ranges then
local cached_part = ctx.render_state:get_part(part_id_iter)
if cached_part and cached_part.line_start then
local part_abs_folds = {}
for _, f in ipairs(data.fold_ranges) do
local abs = {
from = cached_part.line_start + f.from - 1,
to = cached_part.line_start + f.to - 1,
}
table.insert(part_abs_folds, abs)
table.insert(all_folds, abs)
end
ctx.part_folds[part_id_iter] = part_abs_folds
end
end
end
ctx.global_folds = all_folds
output_window.set_folds(all_folds)
end
local function folds_equal(a, b)
if not a or not b then return false end
if #a ~= #b then return false end
for i = 1, #a do
if a[i].from ~= b[i].from or a[i].to ~= b[i].to then return false end
end
return true
end
---Update folds for a single part during streaming, avoiding a full rebuild.
---@param part_id string
function M.update_part_folds(part_id)
local formatted_data = ctx.formatted_parts[part_id]
if not formatted_data or not formatted_data.fold_ranges then
ctx.part_folds[part_id] = nil
M.set_all_folds()
return
end
local cached_part = ctx.render_state:get_part(part_id)
if not cached_part or not cached_part.line_start then
return
end
local new_folds = {}
for _, f in ipairs(formatted_data.fold_ranges) do
table.insert(new_folds, {
from = cached_part.line_start + f.from - 1,
to = cached_part.line_start + f.to - 1,
})
end
if folds_equal(ctx.part_folds[part_id], new_folds) then
return
end
ctx.part_folds[part_id] = new_folds
local new_global = {}
for _, pf in pairs(ctx.part_folds) do
for _, f in ipairs(pf) do
table.insert(new_global, f)
end
end
table.sort(new_global, function(a, b) return a.from < b.from end)
ctx.global_folds = new_global
output_window.set_folds(new_global)
end
---@param part_id string
---@param extra_lines string[]
---@param extra_extmarks table<number, OutputExtmark[]>|nil
---@param previous_formatted Output|nil
---@return boolean
function M.append_part_now(part_id, extra_lines, extra_extmarks, previous_formatted)
local cached = ctx.render_state:get_part(part_id)
if not cached or not cached.line_start or not cached.line_end or #extra_lines == 0 then
return false
end
local insert_at = cached.line_end + 1
local old_line_end = cached.line_end
output_window.set_lines(extra_lines, insert_at, insert_at)
highlight_written_lines(insert_at, extra_lines)
local new_line_end = cached.line_end + #extra_lines
ctx.render_state:update_part_lines(part_id, cached.line_start, new_line_end)
local formatted_data = ctx.formatted_parts[part_id]
if formatted_data then
apply_part_actions(part_id, formatted_data, cached.line_start)
apply_extmarks(previous_formatted, formatted_data, cached.line_start, old_line_end, new_line_end)
set_part_extmark_state(part_id, formatted_data)
if formatted_data.fold_ranges then
M.update_part_folds(part_id)
end
elseif has_extmarks(extra_extmarks) then
output_window.set_extmarks(extra_extmarks, insert_at)
end
return true
end
---@param part_id string
function M.remove_part_now(part_id)
if ctx.bulk_mode then
-- In bulk mode, we don't actually remove from buffer since we're building fresh
-- Just track that this part should be excluded
ctx.render_state:remove_part(part_id)
return
end
local cached = ctx.render_state:get_part(part_id)
if not cached or not cached.line_start or not cached.line_end then
ctx.render_state:remove_part(part_id)
return
end
output_window.clear_extmarks(cached.line_start - 1, cached.line_end + 1)
output_window.set_lines({}, cached.line_start, cached.line_end + 1)
local delta = -(cached.line_end - cached.line_start + 1)
output_window.shift_folds(cached.line_start, delta)
ctx.render_state:remove_part(part_id)
end
---@param message_id string
function M.remove_message_now(message_id)
if ctx.bulk_mode then
-- In bulk mode, we don't actually remove from buffer since we're building fresh
-- Just track that this message should be excluded
ctx.render_state:remove_message(message_id)
return
end
local cached = ctx.render_state:get_message(message_id)
if not cached or not cached.line_start or not cached.line_end then
ctx.render_state:remove_message(message_id)
return
end
output_window.clear_extmarks(cached.line_start, cached.line_end + 1)
output_window.set_lines({}, cached.line_start, cached.line_end + 1)
local delta = -(cached.line_end - cached.line_start + 1)
output_window.shift_folds(cached.line_start, delta)
ctx.render_state:remove_message(message_id)
end
return M