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local config = require('muwiki.config')
local M = {}
---Open a file in Neovim buffer
---@param filepath string Absolute path to file
function M.open_in_buffer(filepath)
vim.cmd.edit(vim.fn.fnameescape(filepath))
end
---Lookup wiki path by name
---@param name string? Wiki name (uses first configured wiki if nil)
---@return string|nil path Absolute path to wiki directory, or nil if not configured
function M.wiki_path(name)
if not config.options.dirs or #config.options.dirs == 0 then
vim.notify('MuWiki: No dirs configured. See :help muwiki-configuration', vim.log.levels.ERROR)
return nil
end
if name then
for _, dir in ipairs(config.options.dirs) do
if dir.name == name then
return dir.path
end
end
vim.notify(string.format('Wiki "%s" not found, using default', name), vim.log.levels.WARN)
end
return config.options.dirs[1].path
end
---Find which wiki contains this buffer's file (cached per-buffer)
---@param bufnr integer? Buffer number (defaults to 0 for current buffer)
---@return string|nil path Absolute path to wiki root, or nil if buffer is not in a wiki
function M.wiki_root(bufnr)
bufnr = bufnr or 0
if vim.b[bufnr].muwiki_root ~= nil then
return vim.b[bufnr].muwiki_root or nil
end
local filepath = vim.api.nvim_buf_get_name(bufnr)
local normalized = vim.fs.normalize(filepath)
for _, dir in ipairs(config.options.dirs or {}) do
if vim.startswith(normalized, dir.path) then
vim.b[bufnr].muwiki_root = dir.path
return dir.path
end
end
vim.b[bufnr].muwiki_root = false
return nil
end
---Open the index file of a wiki
---@param name string? Wiki name (uses first configured wiki if nil)
function M.open_index(name)
local wiki_path = M.wiki_path(name)
if not wiki_path then
return
end
local index_path = vim.fs.joinpath(wiki_path, config.options.index_file)
M.open_in_buffer(index_path)
end
---Resolve a path to absolute normalized form
---Strips file:// prefix and resolves relative paths against current buffer
---@param filepath string Path to resolve (can include file://, be relative, absolute, or ~)
---@return string Absolute normalized path
function M.resolve(filepath)
local path = filepath:gsub('^file://', '')
-- Absolute paths: normalize directly
if path:sub(1, 1) == '/' or path:sub(1, 1) == '~' then
return vim.fs.normalize(path)
end
-- Relative paths: resolve against current buffer's directory
local current_dir = vim.fs.dirname(vim.api.nvim_buf_get_name(0))
return vim.fs.normalize(vim.fs.joinpath(current_dir, path))
end
---Normalize text for use as filename
---Converts to lowercase, spaces to underscores, removes special chars
---@param text string Text to normalize
---@return string Normalized filename-safe text
function M.normalize_filename(text)
local normalized = text:lower()
normalized = normalized:gsub('%s+', '_')
normalized = normalized:gsub('[^%w_%-%.]', '')
return normalized
end
return M
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