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Fix markdown relative paths with "./" #37

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Fix markdown relative paths with "./" #37

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2445ef7
fixing relative paths with "./"
x-delfino Mar 6, 2023
8fe1c6a
support for ../
x-delfino Mar 6, 2023
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20 changes: 20 additions & 0 deletions lua/hologram/fs.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -43,4 +43,24 @@ function fs.bytes2int(bufp)
return bor(lsh(bufp[0],24), lsh(bufp[1],16), lsh(bufp[2],8), bufp[3])
end

function fs.get_absolute_path(path)
if fs._is_root_path(path) then
return path
else
local folder_path = vim.fn.expand("%:p:h")
local eventual_path = folder_path .. "/" .. path
local absolute_path = vim.loop.fs_realpath(eventual_path, nil)
return absolute_path
end
end

function fs._is_root_path(path)
local first_path_char = string.sub(path, 0, 1)
if first_path_char == "/" then
return true
else
return false
end
end

return fs
28 changes: 5 additions & 23 deletions lua/hologram/init.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -96,32 +96,14 @@ function hologram.find_source(line)
local inline_link = line:match('!%[.-%]%(.-%)')
if inline_link then
local source = inline_link:match('%((.+)%)')
local path = hologram._to_absolute_path(source)
if fs.check_sig_PNG(path) then
return path
local path = fs.get_absolute_path(source)
if path then
if fs.check_sig_PNG(path) then
return path
else return nil end
else return nil end
end
end
end

function hologram._to_absolute_path(path)
if hologram._is_root_path(path) then
return path
else
-- absolute_path: folder_path + relative_path
local folder_path = vim.fn.expand("%:p:h")
local absolute_path = folder_path .. "/" .. path
return absolute_path
end
end

function hologram._is_root_path(path)
local first_path_char = string.sub(path, 0, 1)
if first_path_char == "/" then
return true
else
return false
end
end

return hologram