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-- This script reads a single page of Markdown-like documentation and generates
-- output in three different forms: gofmt, git-flavored markdown, and
-- standard markdown.
local gsub, match, len, find, concat, insert =
string.gsub, string.match, string.len, string.find, table.concat, table.insert
local function write(filestr, str)
local f = io.open(filestr, 'w+')
if f then
f:write(str)
f:close()
end
end
local function codeblock(tbl, mode)
local newtbl = {}
local incode = false
local pos1, pos2, prefix, syntax
for j, str in ipairs(tbl) do
prefix, syntax = match(str, '^(```)(%a*)')
if prefix and len(syntax) > 0 then
incode = true
if mode == 'r' then
insert(newtbl, str)
end
elseif prefix then
incode = false
if mode == 'r' then
insert(newtbl, str)
end
else
if incode and mode ~= 'r' then
str = '\t' .. str
end
insert(newtbl, str)
end
end
return newtbl
end
local function markdownwrite(tbl, filestr)
tbl = codeblock(tbl, 'm')
local str = concat(tbl, '\n')
write(filestr, str)
end
local function readmewrite(tbl, filestr)
tbl = codeblock(tbl, 'r')
local str = concat(tbl, '\n')
str = gsub(str, '\n%> ', '\n')
-- str = gsub(str, '%b<>', '')
write(filestr, str)
end
local function godocwrite(tbl, filestr)
tbl = codeblock(tbl, 'g')
for j, str in ipairs(tbl) do
str = gsub(str, '^#+ *', '')
tbl[j] = gsub(str, '^* ', '\n• ')
end
local str = concat(tbl, '\n')
str = gsub(str, '\n\n\n+', '\n\n')
str = gsub(str, '\n%> ', '\n')
str = gsub(str, '`', '')
str = gsub(str, '/%*', '\x01')
str = gsub(str, '%*', '')
str = gsub(str, '\x01', '\x2f*')
-- str = gsub(str, '%b<>', '')
-- replace [foo][bar] with foo
str = gsub(str, '%[(%C-)%]%[%C-%]', '%1')
str = '/*\n' .. str .. '\n*/\npackage gofpdf\n'
write(filestr, str)
end
local godoc, markdown, readme = {}, {}, {}
local modeg, modem, moder
for str in io.lines('document.md') do
local mode = string.match(str, '^~(%a*)~$')
if mode then
modeg = find(mode, 'g') ~= nil
moder = find(mode, 'r') ~= nil
modem = find(mode, 'm') ~= nil
else
if modeg then
insert(godoc, str)
end
if modem then
insert(markdown, str)
end
if moder then
insert(readme, str)
end
end
end
markdownwrite(markdown, 'doc/body.md')
godocwrite(godoc, 'doc.go')
readmewrite(readme, 'README.md')
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