93 lines
3 KiB
Lua
93 lines
3 KiB
Lua
local A = {}
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local o = require 'zettelkasten.options'
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local link = require 'zettelkasten.link'
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local BIGNUMBER = 10000000
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-- Opens the link passed in in the editor's current buffer.
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-- Requires a link object passed in.
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function A.open(link)
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if not link or not link.ref 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", link.ref))
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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.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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-- Returns the link currently under cursor, roughly the vim equivalent of yiW.
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-- Works for links containing spaces in their text or reference link.
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function A.get_link_under_cursor()
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local curpos = vim.api.nvim_win_get_cursor(0)[2]
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local links = link.extract_all(vim.api.nvim_get_current_line())
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for _, link in pairs(links) do
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if link.startpos <= curpos + 1 and link.endpos > curpos then
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return link
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end
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end
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return nil
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end
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-- Returns the next link of the current line from the cursor onwards.
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function A.get_next_link_on_line()
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local curpos = vim.api.nvim_win_get_cursor(0)[2]
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local links = link.extract_all(vim.api.nvim_get_current_line())
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local nearestpos = BIGNUMBER
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local nearestlink
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for k, link in pairs(links) do
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if link.endpos > curpos and link.endpos < nearestpos then
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nearestpos = link.endpos
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nearestlink = link
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end
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end
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return nearestlink
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end
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return {open = A.open, open_selected = A.open_selected}
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--- local function get_selection()
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--- s_start = vim.fn.line("'<") - 1
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--- s_end = vim.fn.line("'>")
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--- return vim.api.nvim_buf_get_lines(0, s_start, s_end, true)
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--- end
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--
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--- -- UGLY HACKS ABOUND
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--- function ZK.create_zettel()
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--- -- get line and its number
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--- local selection
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--- local line = vim.api.nvim_get_current_line()
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--- local linenr = vim.api.nvim_win_get_cursor(0)[1]
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--
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--- -- get words under cursor / selected
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--- local mode = vim.api.nvim_get_mode()['mode']
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--- if mode == "n" then
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--- print(vim.fn.line("'<'") - 1)
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--- selection = vim.fn.expand("<cWORD>")
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--- -- NOT WORKING YET
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--- elseif mode == "v" then
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--- selection = get_selection()
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--- else
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--- return
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--- end
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--
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--- -- get valid link
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--- local link = l.create(nil, selection)
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--
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--- -- create new line with selection replaced in middle
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--- local st, en = line:find(selection, 0, true)
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--- local repl_line = line:sub(1, st - 1) .. link .. line:sub(en + 1)
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--
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--- -- replace existing line in favor of new one
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--- vim.api.nvim_buf_set_lines(0, linenr - 1, linenr, true, {repl_line})
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--- end
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