Merge remote-tracking branch 'upstream/master' into mix_20240309

1 files changed, 0 insertions, 363 deletions

diff --git a/scripts/text_utils.lua b/scripts/text_utils.lua
deleted file mode 100644
index 75b3bfedd5..0000000000
--- a/scripts/text_utils.lua
+++ /dev/null
@@ -1,363 +0,0 @@
-local fmt = string.format
-
---- @class nvim.text_utils.MDNode
---- @field [integer] nvim.text_utils.MDNode
---- @field type string
---- @field text? string
-
-local INDENTATION = 4
-
-local NBSP = string.char(160)
-
-local M = {}
-
-local function contains(t, xs)
-  return vim.tbl_contains(xs, t)
-end
-
---- @param txt string
---- @param srow integer
---- @param scol integer
---- @param erow? integer
---- @param ecol? integer
---- @return string
-local function slice_text(txt, srow, scol, erow, ecol)
-  local lines = vim.split(txt, '\n')
-
-  if srow == erow then
-    return lines[srow + 1]:sub(scol + 1, ecol)
-  end
-
-  if erow then
-    -- Trim the end
-    for _ = erow + 2, #lines do
-      table.remove(lines, #lines)
-    end
-  end
-
-  -- Trim the start
-  for _ = 1, srow do
-    table.remove(lines, 1)
-  end
-
-  lines[1] = lines[1]:sub(scol + 1)
-  lines[#lines] = lines[#lines]:sub(1, ecol)
-
-  return table.concat(lines, '\n')
-end
-
---- @param text string
---- @return nvim.text_utils.MDNode
-local function parse_md_inline(text)
-  local parser = vim.treesitter.languagetree.new(text, 'markdown_inline')
-  local root = parser:parse(true)[1]:root()
-
-  --- @param node TSNode
-  --- @return nvim.text_utils.MDNode?
-  local function extract(node)
-    local ntype = node:type()
-
-    if ntype:match('^%p$') then
-      return
-    end
-
-    --- @type table<any,any>
-    local ret = { type = ntype }
-    ret.text = vim.treesitter.get_node_text(node, text)
-
-    local row, col = 0, 0
-
-    for child, child_field in node:iter_children() do
-      local e = extract(child)
-      if e and ntype == 'inline' then
-        local srow, scol = child:start()
-        if (srow == row and scol > col) or srow > row then
-          local t = slice_text(ret.text, row, col, srow, scol)
-          if t and t ~= '' then
-            table.insert(ret, { type = 'text', j = true, text = t })
-          end
-        end
-        row, col = child:end_()
-      end
-
-      if child_field then
-        ret[child_field] = e
-      else
-        table.insert(ret, e)
-      end
-    end
-
-    if ntype == 'inline' and (row > 0 or col > 0) then
-      local t = slice_text(ret.text, row, col)
-      if t and t ~= '' then
-        table.insert(ret, { type = 'text', text = t })
-      end
-    end
-
-    return ret
-  end
-
-  return extract(root) or {}
-end
-
---- @param text string
---- @return nvim.text_utils.MDNode
-local function parse_md(text)
-  local parser = vim.treesitter.languagetree.new(text, 'markdown', {
-    injections = { markdown = '' },
-  })
-
-  local root = parser:parse(true)[1]:root()
-
-  local EXCLUDE_TEXT_TYPE = {
-    list = true,
-    list_item = true,
-    section = true,
-    document = true,
-    fenced_code_block = true,
-    fenced_code_block_delimiter = true,
-  }
-
-  --- @param node TSNode
-  --- @return nvim.text_utils.MDNode?
-  local function extract(node)
-    local ntype = node:type()
-
-    if ntype:match('^%p$') or contains(ntype, { 'block_continuation' }) then
-      return
-    end
-
-    --- @type table<any,any>
-    local ret = { type = ntype }
-
-    if not EXCLUDE_TEXT_TYPE[ntype] then
-      ret.text = vim.treesitter.get_node_text(node, text)
-    end
-
-    if ntype == 'inline' then
-      ret = parse_md_inline(ret.text)
-    end
-
-    for child, child_field in node:iter_children() do
-      local e = extract(child)
-      if child_field then
-        ret[child_field] = e
-      else
-        table.insert(ret, e)
-      end
-    end
-
-    return ret
-  end
-
-  return extract(root) or {}
-end
-
---- @param x string
---- @param start_indent integer
---- @param indent integer
---- @param text_width integer
---- @return string
-function M.wrap(x, start_indent, indent, text_width)
-  local words = vim.split(vim.trim(x), '%s+')
-  local parts = { string.rep(' ', start_indent) } --- @type string[]
-  local count = indent
-
-  for i, w in ipairs(words) do
-    if count > indent and count + #w > text_width - 1 then
-      parts[#parts + 1] = '\n'
-      parts[#parts + 1] = string.rep(' ', indent)
-      count = indent
-    elseif i ~= 1 then
-      parts[#parts + 1] = ' '
-      count = count + 1
-    end
-    count = count + #w
-    parts[#parts + 1] = w
-  end
-
-  return (table.concat(parts):gsub('%s+\n', '\n'):gsub('\n+$', ''))
-end
-
---- @param node nvim.text_utils.MDNode
---- @param start_indent integer
---- @param indent integer
---- @param text_width integer
---- @param level integer
---- @return string[]
-local function render_md(node, start_indent, indent, text_width, level, is_list)
-  local parts = {} --- @type string[]
-
-  -- For debugging
-  local add_tag = false
-  -- local add_tag = true
-
-  local ntype = node.type
-
-  if add_tag then
-    parts[#parts + 1] = '<' .. ntype .. '>'
-  end
-
-  if ntype == 'text' then
-    parts[#parts + 1] = node.text
-  elseif ntype == 'html_tag' then
-    error('html_tag: ' .. node.text)
-  elseif ntype == 'inline_link' then
-    vim.list_extend(parts, { '*', node[1].text, '*' })
-  elseif ntype == 'shortcut_link' then
-    if node[1].text:find('^<.*>$') then
-      parts[#parts + 1] = node[1].text
-    else
-      vim.list_extend(parts, { '|', node[1].text, '|' })
-    end
-  elseif ntype == 'backslash_escape' then
-    parts[#parts + 1] = node.text
-  elseif ntype == 'emphasis' then
-    parts[#parts + 1] = node.text:sub(2, -2)
-  elseif ntype == 'code_span' then
-    vim.list_extend(parts, { '`', node.text:sub(2, -2):gsub(' ', NBSP), '`' })
-  elseif ntype == 'inline' then
-    if #node == 0 then
-      local text = assert(node.text)
-      parts[#parts + 1] = M.wrap(text, start_indent, indent, text_width)
-    else
-      for _, child in ipairs(node) do
-        vim.list_extend(parts, render_md(child, start_indent, indent, text_width, level + 1))
-      end
-    end
-  elseif ntype == 'paragraph' then
-    local pparts = {}
-    for _, child in ipairs(node) do
-      vim.list_extend(pparts, render_md(child, start_indent, indent, text_width, level + 1))
-    end
-    parts[#parts + 1] = M.wrap(table.concat(pparts), start_indent, indent, text_width)
-    parts[#parts + 1] = '\n'
-  elseif ntype == 'code_fence_content' then
-    local lines = vim.split(node.text:gsub('\n%s*$', ''), '\n')
-
-    local cindent = indent + INDENTATION
-    if level > 3 then
-      -- The tree-sitter markdown parser doesn't parse the code blocks indents
-      -- correctly in lists. Fudge it!
-      lines[1] = '    ' .. lines[1] -- ¯\_(ツ)_/¯
-      cindent = indent - level
-      local _, initial_indent = lines[1]:find('^%s*')
-      initial_indent = initial_indent + cindent
-      if initial_indent < indent then
-        cindent = indent - INDENTATION
-      end
-    end
-
-    for _, l in ipairs(lines) do
-      if #l > 0 then
-        parts[#parts + 1] = string.rep(' ', cindent)
-        parts[#parts + 1] = l
-      end
-      parts[#parts + 1] = '\n'
-    end
-  elseif ntype == 'fenced_code_block' then
-    parts[#parts + 1] = '>'
-    for _, child in ipairs(node) do
-      if child.type == 'info_string' then
-        parts[#parts + 1] = child.text
-        break
-      end
-    end
-    parts[#parts + 1] = '\n'
-    for _, child in ipairs(node) do
-      if child.type ~= 'info_string' then
-        vim.list_extend(parts, render_md(child, start_indent, indent, text_width, level + 1))
-      end
-    end
-    parts[#parts + 1] = '<\n'
-  elseif ntype == 'html_block' then
-    local text = node.text:gsub('^<pre>help', '')
-    text = text:gsub('</pre>%s*$', '')
-    parts[#parts + 1] = text
-  elseif ntype == 'list_marker_dot' then
-    parts[#parts + 1] = node.text
-  elseif contains(ntype, { 'list_marker_minus', 'list_marker_star' }) then
-    parts[#parts + 1] = '• '
-  elseif ntype == 'list_item' then
-    parts[#parts + 1] = string.rep(' ', indent)
-    local offset = node[1].type == 'list_marker_dot' and 3 or 2
-    for i, child in ipairs(node) do
-      local sindent = i <= 2 and 0 or (indent + offset)
-      vim.list_extend(
-        parts,
-        render_md(child, sindent, indent + offset, text_width, level + 1, true)
-      )
-    end
-  else
-    if node.text then
-      error(fmt('cannot render:\n%s', vim.inspect(node)))
-    end
-    for i, child in ipairs(node) do
-      local start_indent0 = i == 1 and start_indent or indent
-      vim.list_extend(
-        parts,
-        render_md(child, start_indent0, indent, text_width, level + 1, is_list)
-      )
-      if ntype ~= 'list' and i ~= #node then
-        if (node[i + 1] or {}).type ~= 'list' then
-          parts[#parts + 1] = '\n'
-        end
-      end
-    end
-  end
-
-  if add_tag then
-    parts[#parts + 1] = '</' .. ntype .. '>'
-  end
-
-  return parts
-end
-
---- @param text_width integer
-local function align_tags(text_width)
-  --- @param line string
-  --- @return string
-  return function(line)
-    local tag_pat = '%s*(%*.+%*)%s*$'
-    local tags = {}
-    for m in line:gmatch(tag_pat) do
-      table.insert(tags, m)
-    end
-
-    if #tags > 0 then
-      line = line:gsub(tag_pat, '')
-      local tags_str = ' ' .. table.concat(tags, ' ')
-      --- @type integer
-      local conceal_offset = select(2, tags_str:gsub('%*', '')) - 2
-      local pad = string.rep(' ', text_width - #line - #tags_str + conceal_offset)
-      return line .. pad .. tags_str
-    end
-
-    return line
-  end
-end
-
---- @param text string
---- @param start_indent integer
---- @param indent integer
---- @param is_list? boolean
---- @return string
-function M.md_to_vimdoc(text, start_indent, indent, text_width, is_list)
-  -- Add an extra newline so the parser can properly capture ending ```
-  local parsed = parse_md(text .. '\n')
-  local ret = render_md(parsed, start_indent, indent, text_width, 0, is_list)
-
-  local lines = vim.split(table.concat(ret):gsub(NBSP, ' '), '\n')
-
-  lines = vim.tbl_map(align_tags(text_width), lines)
-
-  local s = table.concat(lines, '\n')
-
-  -- Reduce whitespace in code-blocks
-  s = s:gsub('\n+%s*>([a-z]+)\n', ' >%1\n')
-  s = s:gsub('\n+%s*>\n?\n', ' >\n')
-
-  return s
-end
-
-return M