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Diffstat (limited to 'manual/2html')
| -rwxr-xr-x | manual/2html | 518 |
1 files changed, 518 insertions, 0 deletions
diff --git a/manual/2html b/manual/2html new file mode 100755 index 00000000..04b2c61e --- /dev/null +++ b/manual/2html @@ -0,0 +1,518 @@ +#!/usr/bin/env lua5.3 + + +-- special marks: +-- \1 - paragraph (empty line) +-- \4 - remove spaces around it +-- \3 - ref (followed by label|) + +--------------------------------------------------------------- +header = [[ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> +<html> + +<head> +<title>Lua 5.4 Reference Manual</title> +<meta http-equiv="Content-Type" content="text/html;charset=utf-8"> +<link rel="stylesheet" href="lua.css"> +<link rel="stylesheet" href="manual.css"> +</head> + +<body bgcolor="#FFFFFF"> + +<hr> +<h1> +<a href="http://www.lua.org/home.html"><img src="logo.gif" alt="[Lua logo]" border="0"></a> +Lua 5.4 Reference Manual +</h1> + +by Roberto Ierusalimschy, Luiz Henrique de Figueiredo, Waldemar Celes +<p> +<small> +<a href="http://www.lua.org/copyright.html">Copyright</a> +© 2018 Lua.org, PUC-Rio. All rights reserved. +</small> +<hr> + +<!-- ====================================================================== --> +<p> + +]] + +footer = "\n\n</body></html>\n\n" + +local seefmt = '(see %s)' + +if arg[1] == 'port' then + seefmt = '(ver %s)' + header = string.gsub(header, "by (.-)\n", + "%1\n<p>Tradução: Sérgio Queiroz de Medeiros", 1) + header = string.gsub(header, "Lua (%d+.%d+) Reference Manual", + "Manual de Referência de Lua %1") + header = string.gsub(header, "All rights reserved", + "Todos os direitos reservados") +end + + +--------------------------------------------------------------- + +local function compose (f,g) + assert(f and g) + return function (s) return g(f(s)) end +end + +local function concat (f, g) + assert(f and g) + return function (s) return f(s) .. g(s) end +end + + +local Tag = {} + + +setmetatable(Tag, { + __index = function (t, tag) + local v = function (n, att) + local e = "" + if type(att) == "table" then + for k,v in pairs(att) do e = string.format('%s %s="%s"', e, k, v) end + end + if n then + return string.format("<%s%s>%s</%s>", tag, e, n, tag) + else + return string.format("<%s%s>", tag, e) + end + end + t[tag] = v + return v + end +}) + + + +--------------------------------------------------------------- +local labels = {} + + +local function anchor (text, label, link, textlink) + if labels[label] then + error("label " .. label .. " already defined") + end + labels[label] = {text = textlink, link = link} + return Tag.a(text, {name=link}) +end + +local function makeref (label) + assert(not string.find(label, "|")) + return string.format("\3%s\3", label) +end + +local function ref (label) + local l = labels[label] + if not l then + io.stderr:write("label ", label, " undefined\n") + return "@@@@@@@" + else + return Tag.a(l.text, {href="#"..l.link}) + end +end + +--------------------------------------------------------------- +local function nopara (t) + t = string.gsub(t, "\1", "\n\n") + t = string.gsub(t, "<p>%s*</p>", "") + return t +end + +local function fixpara (t) + t = string.gsub(t, "\1", "\n</p>\n\n<p>\n") + t = string.gsub(t, "<p>%s*</p>", "") + return t +end + +local function antipara (t) + return "</p>\n" .. t .. "<p>" +end + + +Tag.pre = compose(Tag.pre, antipara) +Tag.ul = compose(Tag.ul, antipara) + +--------------------------------------------------------------- +local Gfoots = 0 +local footnotes = {} + +local line = Tag.hr(nil) + +local function dischargefoots () + if #footnotes == 0 then return "" end + local fn = table.concat(footnotes) + footnotes = {} + return line .. Tag.h3"footnotes:" .. fn .. line +end + + +local Glists = 0 +local listings = {} + +local function dischargelist () + if #listings == 0 then return "" end + local l = listings + listings = {} + return line .. table.concat(l, line..line) .. line +end + +--------------------------------------------------------------- +local counters = { +h1 = {val = 1}, +h2 = {father = "h1", val = 1}, +h3 = {father = "h2", val = 1}, +listing = {father = "h1", val = 1}, +} + +local function inccounter (count) + counters[count].val = counters[count].val + 1 + for c, v in pairs(counters) do + if v.father == count then v.val = 1 end + end +end + +local function getcounter (count) + local c = counters[count] + if c.father then + return getcounter(c.father) .. "." .. c.val + else + return c.val .. "" + end +end +--------------------------------------------------------------- + + +local function fixed (x) + return function () return x end +end + +local function id (x) return x end + + +local function prepos (x, y) + assert(x and y) + return function (s) return string.format("%s%s%s", x, s, y) end +end + + +local rw = Tag.b + + + + +local function LuaName (name) + return Tag.code(name) +end + + +local function getparam (s) + local i, e = string.find(s, "^[^%s@|]+|") + if not i then return nil, s + else return string.sub(s, i, e - 1), string.sub(s, e + 1) + end +end + + +local function gettitle (h) + local title, p = assert(string.match(h, "<title>(.-)</title>()")) + return title, string.sub(h, p) +end + +local function getparamtitle (what, h, nonum) + local label, title, c, count + label, h = getparam(h) + title, h = gettitle(h) + if not nonum then + count = getcounter(what) + inccounter(what) + c = string.format("%s – ", count) + else + c = "" + end + label = label or count + if label then + title = anchor(title, label, count, "§"..count) + end + title = string.format("%s%s", c, title) + return title, h +end + +local function section (what, nonum) + return function (h) + local title + title, h = getparamtitle(what, h, nonum) + local fn = what == "h1" and dischargefoots() or "" + h = fixpara(Tag.p(h)) + return "</p>\n" .. Tag[what](title) .. h .. fn .. + dischargelist() .. "<p>" + end +end + + +local function verbatim (s) + s = nopara(s) + s = string.gsub(s, "\n", "\n ") + s = string.gsub(s, "\n%s*$", "\n") + return Tag.pre(s) +end + + +local function verb (s) + return Tag.code(s) +end + + +local function lua2link (e) + return string.find(e, "luaL?_") and e or "pdf-"..e +end + + +local verbfixed = verb + + +local Tex = { + +ANSI = function (func) + return "ISO C function " .. Tag.code(func) + end, +At = fixed"@", +B = Tag.b, +bigskip = fixed"", +bignum = id, +C = fixed"", +Ci = prepos("<!-- ", " -->"), +CId = function (func) + return "C function " .. Tag.code(func) + end, +chapter = section"h1", +Char = compose(verbfixed, prepos("'", "'")), +Cdots = fixed"···", +Close = fixed"}", +col = Tag.td, +defid = function (name) + local l = lua2link(name) + local c = Tag.code(name) + return anchor(c, l, l, c) + end, +def = Tag.em, +description = compose(nopara, Tag.ul), +Em = fixed("\4" .. "—" .. "\4"), +emph = Tag.em, +emphx = Tag.em, -- emphasis plus index (if there was an index) +En = fixed("–"), +format = fixed"", +["false"] = fixed(Tag.b"false"), +id = Tag.code, +idx = Tag.code, +index = fixed"", +Lidx = fixed"", -- Tag.code, +ldots = fixed"...", +x = id, +itemize = compose(nopara, Tag.ul), +leq = fixed"≤", +Lid = function (s) + return makeref(lua2link(s)) + end, +M = Tag.em, +N = function (s) return (string.gsub(s, " ", " ")) end, +NE = id, -- tag"foreignphrase", +num = id, +["nil"] = fixed(Tag.b"nil"), +Open = fixed"{", +part = section("h1", true), +Pat = compose(verbfixed, prepos("'", "'")), +preface = section("h1", true), +psect = section("h2", true), +Q = prepos('"', '"'), +refchp = makeref, +refcode = makeref, +refsec = makeref, + +pi = fixed"π", +rep = Tag.em, -- compose(prepos("<", ">"), Tag.em), +Rw = rw, +rw = rw, +sb = Tag.sub, +sp = Tag.sup, +St = compose(verbfixed, prepos('"', '"')), +sect1 = section"h1", +sect2 = section"h2", +sect3 = section"h3", +sect4 = section("h4", true), +simplesect = id, +Tab2 = function (s) return Tag.table(s, {border=1}) end, +row = Tag.tr, +title = Tag.title, +todo = Tag.todo, +["true"] = fixed(Tag.b"true"), +T = verb, + +item = function (s) + local t, p = string.match(s, "^([^\n|]+)|()") + if t then + s = string.sub(s, p) + s = Tag.b(t..": ") .. s + end + return Tag.li(fixpara(s)) + end, + +verbatim = verbatim, + +manual = id, + + +-- for the manual + +link =function (s) + local l, t = getparam(s) + assert(l) + return string.format("%s (%s)", t, makeref(l)) +end, + +see = function (s) return string.format(seefmt, makeref(s)) end, +See = makeref, +seeC = function (s) + return string.format(seefmt, makeref(s)) + end, + +seeF = function (s) + return string.format(seefmt, makeref(lua2link(s))) + end, + +APIEntry = function (e) + local h, name + h, e = string.match(e, "^%s*(.-)%s*|(.*)$") + name = string.match(h, "(luaL?_[%w_]+)%)? +%(") or + string.match(h, "luaL?_[%w_]+") + local a = anchor(Tag.code(name), name, name, Tag.code(name)) + local apiicmd, ne = string.match(e, "^(.-</span>)(.*)") +--io.stderr:write(e) + if not apiicmd then + return antipara(Tag.hr() .. Tag.h3(a)) .. Tag.pre(h) .. e + else + return antipara(Tag.hr() .. Tag.h3(a)) .. apiicmd .. Tag.pre(h) .. ne + end +end, + +LibEntry = function (e) + local h, name + h, e = string.match(e, "^(.-)|(.*)$") + name = string.gsub(h, " (.+", "") + local l = lua2link(name) + local a = anchor(Tag.code(h), l, l, Tag.code(name)) + return Tag.hr() .. Tag.h3(a) .. e +end, + +Produc = compose(nopara, Tag.pre), +producname = prepos("\t", " ::= "), +Or = fixed" | ", +VerBar = fixed"|", -- vertical bar +OrNL = fixed" | \4", +bnfNter = prepos("", ""), +bnfopt = prepos("[", "]"), +bnfrep = prepos("{", "}"), +bnfter = compose(Tag.b, prepos("‘", "’")), +producbody = function (s) + s = string.gsub(s, "%s+", " ") + s = string.gsub(s, "\4", "\n\t\t") + return s + end, + +apii = function (s) + local pop,push,err = string.match(s, "^(.-),(.-),(.*)$") + if pop ~= "?" and string.find(pop, "%W") then + pop = "(" .. pop .. ")" + end + if push ~= "?" and string.find(push, "%W") then + push = "(" .. push .. ")" + end + err = (err == "-") and "–" or Tag.em(err) + return Tag.span( + string.format("[-%s, +%s, %s]", pop, push, err), + {class="apii"} + ) + end, +} + +local others = prepos("?? "," ??") + +local function trata (t) + t = string.gsub(t, "@(%w+)(%b{})", function (w, f) + f = trata(string.sub(f, 2, -2)) + if type(Tex[w]) ~= "function" then + io.stderr:write(w .. "\n") + return others(f) + else + return Tex[w](f, w) + end + end) + return t +end + + +--------------------------------------------------------------------- +--------------------------------------------------------------------- + +-- read whole book +t = io.read"*a" + +t = string.gsub(t, "[<>&\128-\255]", + {["<"] = "<", + [">"] = ">", + ["&"] = "&", + ["\170"] = "ª", + ["\186"] = "º", + ["\192"] = "À", + ["\193"] = "Á", + ["\194"] = "Â", + ["\195"] = "Ã", + ["\199"] = "Ç", + ["\201"] = "É", + ["\202"] = "Ê", + ["\205"] = "Í", + ["\211"] = "Ó", + ["\212"] = "Ô", + ["\218"] = "Ú", + ["\224"] = "à", + ["\225"] = "á", + ["\226"] = "â", + ["\227"] = "ã", + ["\231"] = "ç", + ["\233"] = "é", + ["\234"] = "ê", + ["\237"] = "í", + ["\243"] = "ó", + ["\244"] = "ô", + ["\245"] = "õ", + ["\250"] = "ú", + ["\252"] = "ü" + }) + +t = string.gsub(t, "\n\n+", "\1") + + + +-- complete macros with no arguments +t = string.gsub(t, "(@%w+)([^{%w])", "%1{}%2") + +t = trata(t) + +-- correct references +t = string.gsub(t, "\3(.-)\3", ref) + +-- remove extra space (??) +t = string.gsub(t, "%s*\4%s*", "") + +t = nopara(t) + +-- HTML 3.2 does not need </p> (but complains when it is in wrong places :) +t = string.gsub(t, "</p>", "") + +io.write(header, t, footer) + |