Marty Oehme
ba033e2b24
By choosing 'line' in the `zettel_link_following` option, the link to be opened will be searched for on the complete rest of the line, meaning from the cursor to the newline symbol onwards.
56 lines
1.8 KiB
Lua
56 lines
1.8 KiB
Lua
local A = {}
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local o = require 'zettelkasten.options'
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local parsers = {markdown = "%[.-%]%((.-)%)", wiki = "%[%[(.+)|?.-%]%]"}
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-- Extracts a file name from a link and opens the corresponding file
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-- in the current buffer.
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-- Takes an optional input parameter
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function A.open(input)
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local fname = A.extract_link(input)
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if not fname then return end
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-- TODO follow: go to anchor, fall back to filename
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vim.api.nvim_command(string.format("edit %s", fname))
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end
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-- Gets the input at the current buffer cursor and opens it
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-- in the current buffer.
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-- Takes an optional style of link following to use,
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-- superseding the one set in options.
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function A.open_selected(style)
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local style = style or o.zettel().link_following
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if style == 'line' then
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A.open(A.get_next_link_on_line())
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elseif style == 'cursor' then
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A.open(A.get_link_under_cursor())
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end
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end
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-- Return only the link reference portion of a markdown/wiki style link.
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-- For example, for a markdown link [my text](my-link.md)
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-- it would only return my-link.md
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function A.extract_link(input)
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if not input then return end
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for _, parser in pairs(parsers) do return input:match(parser) end
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return
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end
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-- Returns the word currently under cursor, the vim equivalent of yiW.
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-- Takes an optional boolean flag to set the word being caught
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-- to the vim equivalent of doing yiw, a more exclusive version.
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function A.get_link_under_cursor(small)
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local c = "<cWORD>"
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if small then c = "<cword>" end
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local word = vim.fn.expand(c)
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return word
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end
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-- Returns the content of the line from the cursor onwards.
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function A.get_next_link_on_line()
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local line = vim.api.nvim_get_current_line()
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return line:sub(vim.api.nvim_win_get_cursor(0)[2])
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end
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return {open = A.open, open_selected = A.open_selected}
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