Sync SWADE FR

Reviewed-on: #8

changelog.md

@@ -1,3 +1,11 @@
+# 0.21.0.0
+# 0.21.1.0
+
+Alignement sur SWADE v1.1.X et traductions de clés manquantes
+
+# 0.21.0.0
+
+Alignement sur SWADE v1.1.X
 
 # 0.20.0.3
 

module.json

@@ -2,7 +2,7 @@
   "name": "swade-fr",
   "title": "SWADE - Traduction française",
   "description": "Ajoute le français (FRANCE) au système SWADE.<p> Une traduction Babele des compendiums est inclue mais optionnelle. (Encore en test, à utiliser à vos risques et périls !) </p> <p>*** Join the official Discord server: <a href='https://discord.gg/foundryvtt'> Official Discord</a></p><p>*** Rejoignez la communauté Francophone: <a href='https://discord.gg/pPSDNJk'>Discord francophone</a></p>",
-  "version": "0.20.0.3",
+  "version": "1.2.0",
   "minimumCoreVersion" : "0.7.9",
   "compatibleCoreVersion" : "9",
   "author": "BoboursToutCool, Gronyon, Kyane, LeRatierBretonnien, Sasmira, U~man,X.O. de Vorcen",
@@ -64,6 +64,6 @@
   ],
   
   "url": "https://www.uberwald.me/gitea/public//foundryvtt-swade-fr",
-  "manifest": "https://www.uberwald.me/gitea/public/foundryvtt-swade-fr/raw/branch/master/system.jso",
+  "manifest": "https://www.uberwald.me/gitea/public/foundryvtt-swade-fr/raw/branch/master/module.json",
-  "download": "https://www.uberwald.me/gitea/public/foundryvtt-swade-fr/archive/foundryvtt-swade-fr-0.20.0.3.zip"
+  "download": "https://www.uberwald.me/gitea/public/foundryvtt-swade-fr/archive/foundryvtt-swade-fr-1.2.0.zip"
 }

tools/detect_missing_strings.lua

@@ -0,0 +1,39 @@
+package.path = package.path .. ";luajson/?.lua"
+local JSON = require"json"
+
+local enjsonf = "../../swade/src/lang/en.yml"
+local frjsonf = "../fr.json"
+
+local fp = io.open(enjsonf, "r")
+local line = fp:read()
+local entags = {}
+while line do
+  --print("LINE", line) 
+  local key, value = line:match("([%w%.]*):([>%-%+%p%s%w%d%.]*)" )
+  if key then 
+    entags[key] = value
+  end
+  line = fp:read()
+end
+fp:close()
+
+fp = io.open(frjsonf, "r")
+local frtags = JSON.decode( fp:read("*a") )
+fp:close()
+
+local todisplay  = {}
+for tag, value in pairs(entags) do
+  if not frtags[tag] then 
+    todisplay[#todisplay+1] = { tag=tag, value=value }
+  end
+end
+
+table.sort(todisplay, function (a, b) 
+    return a.tag < b.tag 
+  end
+)
+for _, tagDef in pairs(todisplay) do
+  print('"'.. tagDef.tag ..'":"'.. tagDef.value..'",')
+end
+
+

tools/lpeg/lpcap.lua

@@ -0,0 +1,625 @@
+--[[
+LPEGLJ
+lpcap.lua
+Capture functions
+Copyright (C) 2014 Rostislav Sacek.
+based on LPeg v1.0 - PEG pattern matching for Lua
+Lua.org & PUC-Rio  written by Roberto Ierusalimschy
+http://www.inf.puc-rio.br/~roberto/lpeg/
+
+** Permission is hereby granted, free of charge, to any person obtaining
+** a copy of this software and associated documentation files (the
+** "Software"), to deal in the Software without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Software, and to
+** permit persons to whom the Software is furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be
+** included in all copies or substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+**
+** [ MIT license: http://www.opensource.org/licenses/mit-license.php ]
+--]]
+local ffi = require "ffi"
+
+local Cclose = 0
+local Cposition = 1
+local Cconst = 2
+local Cbackref = 3
+local Carg = 4
+local Csimple = 5
+local Ctable = 6
+local Cfunction = 7
+local Cquery = 8
+local Cstring = 9
+local Cnum = 10
+local Csubst = 11
+local Cfold = 12
+local Cruntime = 13
+local Cgroup = 14
+
+local MAXSTRCAPS = 10
+
+local pushcapture
+local addonestring
+
+
+-- Goes back in a list of captures looking for an open capture
+-- corresponding to a close
+
+local function findopen(cs, index)
+    local n = 0; -- number of closes waiting an open
+    while true do
+        index = index - 1
+        if cs.ocap[index].kind == Cclose then
+            n = n + 1 -- one more open to skip
+        elseif cs.ocap[index].siz == 0 then
+            if n == 0 then
+                return index
+            end
+            n = n - 1
+        end
+    end
+end
+
+
+local function checknextcap(cs, captop)
+    local cap = cs.cap;
+    -- not a single capture?    ((cap)->siz != 0)
+    if cs.ocap[cap].siz == 0 then
+        local n = 0; -- number of opens waiting a close
+        -- look for corresponding close
+        while true do
+            cap = cap + 1
+            if cap > captop then return end
+            if cs.ocap[cap].kind == Cclose then
+                n = n - 1
+                if n + 1 == 0 then
+                    break;
+                end
+            elseif cs.ocap[cap].siz == 0 then
+                n = n + 1
+            end
+        end
+    end
+    cap = cap + 1; -- + 1 to skip last close (or entire single capture)
+    if cap > captop then return end
+    return true
+end
+
+
+-- Go to the next capture
+
+local function nextcap(cs)
+    local cap = cs.cap;
+    -- not a single capture?    ((cap)->siz != 0)
+    if cs.ocap[cap].siz == 0 then
+        local n = 0; -- number of opens waiting a close
+        -- look for corresponding close
+        while true do
+            cap = cap + 1
+            if cs.ocap[cap].kind == Cclose then
+                n = n - 1
+                if n + 1 == 0 then
+                    break;
+                end
+            elseif cs.ocap[cap].siz == 0 then
+                n = n + 1
+            end
+        end
+    end
+    cs.cap = cap + 1; -- + 1 to skip last close (or entire single capture)
+end
+
+
+-- Push on the Lua stack all values generated by nested captures inside
+-- the current capture. Returns number of values pushed. 'addextra'
+-- makes it push the entire match after all captured values. The
+-- entire match is pushed also if there are no other nested values,
+-- so the function never returns zero.
+
+local function pushnestedvalues(cs, addextra, out, valuetable)
+    local co = cs.cap
+    cs.cap = cs.cap + 1
+    -- no nested captures?
+    if cs.ocap[cs.cap - 1].siz ~= 0 then
+        local st = cs.ocap[co].s
+        local l = cs.ocap[co].siz - 1
+        out.outindex = out.outindex + 1
+        out.out[out.outindex] = cs.s and cs.s:sub(st, st + l - 1) or cs.stream(st, st + l - 1)
+        return 1; -- that is it
+    else
+        local n = 0;
+        while cs.ocap[cs.cap].kind ~= Cclose do -- repeat for all nested patterns
+        n = n + pushcapture(cs, out, valuetable);
+        end
+        -- need extra?
+        if addextra or n == 0 then
+            local st = cs.ocap[co].s
+            local l = cs.ocap[cs.cap].s - cs.ocap[co].s
+            out.outindex = out.outindex + 1
+            out.out[out.outindex] = cs.s and cs.s:sub(st, st + l - 1) or cs.stream(st, st + l - 1)
+            n = n + 1
+        end
+        cs.cap = cs.cap + 1 -- skip close entry
+        return n;
+    end
+end
+
+
+-- Push only the first value generated by nested captures
+
+local function pushonenestedvalue(cs, out, valuetable)
+    local n = pushnestedvalues(cs, false, out, valuetable)
+    for i = n, 2, -1 do
+        out.out[out.outindex] = nil
+        out.outindex = out.outindex - 1
+    end
+end
+
+
+-- Try to find a named group capture with the name given at the top of
+-- the stack; goes backward from 'cap'.
+
+local function findback(cs, cap, name, valuetable)
+    -- repeat until end of list
+    while cap > 0 do
+        cap = cap - 1
+        local continue
+        if cs.ocap[cap].kind == Cclose then
+            cap = findopen(cs, cap); -- skip nested captures
+        elseif cs.ocap[cap].siz == 0 then
+            continue = true -- opening an enclosing capture: skip and get previous
+        end
+        if not continue and cs.ocap[cap].kind == Cgroup and cs.ocap[cap].idx ~= 0 then
+            local gname = valuetable[cs.ocap[cap].idx] -- get group name
+            -- right group?
+            if name == gname then
+                return cap;
+            end
+        end
+    end
+    error(("back reference '%s' not found"):format(name), 0)
+end
+
+
+-- Back-reference capture. Return number of values pushed.
+
+local function backrefcap(cs, out, valuetable)
+    local curr = cs.cap;
+    local name = valuetable[cs.ocap[cs.cap].idx] -- reference name
+    cs.cap = findback(cs, curr, name, valuetable) -- find corresponding group
+    local n = pushnestedvalues(cs, false, out, valuetable); -- push group's values
+    cs.cap = curr + 1;
+    return n;
+end
+
+
+-- Table capture: creates a new table and populates it with nested
+-- captures.
+
+local function tablecap(cs, out, valuetable)
+    local n = 0;
+    local t = {}
+    cs.cap = cs.cap + 1
+    -- table is empty
+    if cs.ocap[cs.cap - 1].siz == 0 then
+        while cs.ocap[cs.cap].kind ~= Cclose do
+            local subout = { outindex = 0, out = {} }
+            -- named group?
+            if cs.ocap[cs.cap].kind == Cgroup and cs.ocap[cs.cap].idx ~= 0 then
+                local groupname = valuetable[cs.ocap[cs.cap].idx] -- push group name
+                pushonenestedvalue(cs, subout, valuetable)
+                t[groupname] = subout.out[1]
+            else
+                -- not a named group
+                local k = pushcapture(cs, subout, valuetable)
+                -- store all values into table
+                for i = 1, subout.outindex do
+                    t[i + n] = subout.out[i]
+                end
+                n = n + k;
+            end
+        end
+        cs.cap = cs.cap + 1 -- skip close entry
+    end
+    out.outindex = out.outindex + 1
+    out.out[out.outindex] = t
+    return 1; -- number of values pushed (only the table)
+end
+
+
+-- Table-query capture
+
+local function querycap(cs, out, valuetable)
+    local table = valuetable[cs.ocap[cs.cap].idx]
+    local subout = { outindex = 0, out = {} }
+    pushonenestedvalue(cs, subout, valuetable) -- get nested capture
+    -- query cap. value at table
+    if table[subout.out[1]] ~= nil then
+        out.outindex = out.outindex + 1
+        out.out[out.outindex] = table[subout.out[1]]
+        return 1
+    end
+    return 0
+end
+
+
+-- Fold capture
+
+local function foldcap(cs, out, valuetable)
+    local fce = valuetable[cs.ocap[cs.cap].idx]
+    cs.cap = cs.cap + 1
+    -- no nested captures?
+    -- or no nested captures (large subject)?
+    if cs.ocap[cs.cap - 1].siz ~= 0 or
+            cs.ocap[cs.cap].kind == Cclose then
+        error("no initial value for fold capture", 0);
+    end
+    local subout = { outindex = 0; out = {} }
+    local n = pushcapture(cs, subout, valuetable) -- nested captures with no values?
+    if n == 0 then
+        error("no initial value for fold capture", 0);
+    end
+    local acumulator = subout.out[1] -- leave only one result for accumulator
+    while cs.ocap[cs.cap].kind ~= Cclose do
+        local subout = { outindex = 0; out = {} }
+        n = pushcapture(cs, subout, valuetable); -- get next capture's values
+        acumulator = fce(acumulator, unpack(subout.out, 1, subout.outindex)) -- call folding function
+    end
+    cs.cap = cs.cap + 1; -- skip close entry
+    out.outindex = out.outindex + 1
+    out.out[out.outindex] = acumulator
+    return 1; -- only accumulator left on the stack
+end
+
+
+local function retcount(...)
+    return select('#', ...), { ... }
+end
+
+
+-- Function capture
+
+local function functioncap(cs, out, valuetable)
+    local fce = valuetable[cs.ocap[cs.cap].idx] --  push function
+    local subout = { outindex = 0, out = {} }
+    local n = pushnestedvalues(cs, false, subout, valuetable); -- push nested captures
+    local count, ret = retcount(fce(unpack(subout.out, 1, n))) -- call function
+    for i = 1, count do
+        out.outindex = out.outindex + 1
+        out.out[out.outindex] = ret[i]
+    end
+    return count
+end
+
+
+-- Select capture
+
+local function numcap(cs, out, valuetable)
+    local idx = valuetable[cs.ocap[cs.cap].idx] -- value to select
+    -- no values?
+    if idx == 0 then
+        nextcap(cs); -- skip entire capture
+        return 0; -- no value produced
+    else
+        local subout = { outindex = 0, out = {} }
+        local n = pushnestedvalues(cs, false, subout, valuetable)
+        -- invalid index?
+        if n < idx then
+            error(("no capture '%d'"):format(idx), 0)
+        else
+            out.outindex = out.outindex + 1
+            out.out[out.outindex] = subout.out[idx] -- get selected capture
+            return 1;
+        end
+    end
+end
+
+
+-- Calls a runtime capture. Returns number of captures removed by
+-- the call, including the initial Cgroup. (Captures to be added are
+-- on the Lua stack.)
+
+local function runtimecap(cs, close, s, out, valuetable)
+    local open = findopen(cs, close)
+    assert(cs.ocap[open].kind == Cgroup)
+    cs.ocap[close].kind = Cclose; -- closes the group
+    cs.ocap[close].s = s;
+    cs.cap = open;
+    local fce = valuetable[cs.ocap[cs.cap].idx] -- push function to be called
+    local subout = { outindex = 0, out = {} }
+    local n = pushnestedvalues(cs, false, subout, valuetable); -- push nested captures
+    local count, ret = retcount(fce(cs.s or cs.stream, s, unpack(subout.out, 1, n))) -- call dynamic function
+    for i = 1, count do
+        out.outindex = out.outindex + 1
+        out.out[out.outindex] = ret[i]
+    end
+    return close - open -- number of captures of all kinds removed
+end
+
+-- Collect values from current capture into array 'cps'. Current
+-- capture must be Cstring (first call) or Csimple (recursive calls).
+-- (In first call, fills %0 with whole match for Cstring.)
+-- Returns number of elements in the array that were filled.
+
+local function getstrcaps(cs, cps, n)
+    local k = n
+    n = n + 1
+    cps[k + 1].isstring = true; -- get string value
+    cps[k + 1].startstr = cs.ocap[cs.cap].s; -- starts here
+    cs.cap = cs.cap + 1
+    -- nested captures?
+    if cs.ocap[cs.cap - 1].siz == 0 then
+        -- traverse them
+        while cs.ocap[cs.cap].kind ~= Cclose do
+            -- too many captures?
+            if n >= MAXSTRCAPS then
+                nextcap(cs); -- skip extra captures (will not need them)
+            elseif cs.ocap[cs.cap].kind == Csimple then
+                -- string?
+                n = getstrcaps(cs, cps, n); -- put info. into array
+            else
+                cps[n + 1].isstring = false; -- not a string
+                cps[n + 1].origcap = cs.cap; -- keep original capture
+                nextcap(cs);
+                n = n + 1;
+            end
+        end
+        cs.cap = cs.cap + 1 -- skip close
+    end
+    cps[k + 1].endstr = cs.ocap[cs.cap - 1].s + cs.ocap[cs.cap - 1].siz - 1 -- ends here
+    return n;
+end
+
+
+-- add next capture value (which should be a string) to buffer 'b'
+
+-- String capture: add result to buffer 'b' (instead of pushing
+-- it into the stack)
+
+local function stringcap(cs, b, valuetable)
+    local cps = {}
+    for i = 1, MAXSTRCAPS do
+        cps[#cps + 1] = {}
+    end
+    local fmt = valuetable[cs.ocap[cs.cap].idx]
+    local n = getstrcaps(cs, cps, 0) - 1; -- collect nested captures
+    local i = 1
+    -- traverse them
+    while i <= #fmt do
+        local c = fmt:sub(i, i)
+        -- not an escape?
+        if c ~= '%' then
+            b[#b + 1] = c -- add it to buffer
+        elseif fmt:sub(i + 1, i + 1) < '0' or fmt:sub(i + 1, i + 1) > '9' then
+            -- not followed by a digit?
+            i = i + 1
+            b[#b + 1] = fmt:sub(i, i)
+        else
+            i = i + 1
+            local l = fmt:sub(i, i) - '0'; -- capture index
+            if l > n then
+                error(("invalid capture index (%d)"):format(l), 0)
+            elseif cps[l + 1].isstring then
+                b[#b + 1] = cs.s and cs.s:sub(cps[l + 1].startstr, cps[l + 1].endstr - cps[l + 1].startstr + cps[l + 1].startstr - 1) or
+                        cs.stream(cps[l + 1].startstr, cps[l + 1].endstr - cps[l + 1].startstr + cps[l + 1].startstr - 1)
+            else
+                local curr = cs.cap;
+                cs.cap = cps[l + 1].origcap; -- go back to evaluate that nested capture
+                if not addonestring(cs, b, "capture", valuetable) then
+                    error(("no values in capture index %d"):format(l), 0)
+                end
+                cs.cap = curr; -- continue from where it stopped
+            end
+        end
+        i = i + 1
+    end
+end
+
+
+-- Substitution capture: add result to buffer 'b'
+
+local function substcap(cs, b, valuetable)
+    local curr = cs.ocap[cs.cap].s;
+    -- no nested captures?
+    if cs.ocap[cs.cap].siz ~= 0 then
+        -- keep original text
+        b[#b + 1] = cs.s and cs.s:sub(curr, cs.ocap[cs.cap].siz - 1 + curr - 1) or
+                cs.stream(curr, cs.ocap[cs.cap].siz - 1 + curr - 1)
+    else
+        cs.cap = cs.cap + 1 -- skip open entry
+        -- traverse nested captures
+        while cs.ocap[cs.cap].kind ~= Cclose do
+            local next = cs.ocap[cs.cap].s;
+            b[#b + 1] = cs.s and cs.s:sub(curr, next - curr + curr - 1) or
+                    cs.stream(curr, next - curr + curr - 1) -- add text up to capture
+            if addonestring(cs, b, "replacement", valuetable) then
+                curr = cs.ocap[cs.cap - 1].s + cs.ocap[cs.cap - 1].siz - 1; -- continue after match
+            else
+                -- no capture value
+                curr = next; -- keep original text in final result
+            end
+        end
+        b[#b + 1] = cs.s and cs.s:sub(curr, curr + cs.ocap[cs.cap].s - curr - 1) or
+                cs.stream(curr, curr + cs.ocap[cs.cap].s - curr - 1) -- add last piece of text
+    end
+    cs.cap = cs.cap + 1 -- go to next capture
+end
+
+
+-- Evaluates a capture and adds its first value to buffer 'b'; returns
+-- whether there was a value
+
+function addonestring(cs, b, what, valuetable)
+    local tag = cs.ocap[cs.cap].kind
+    if tag == Cstring then
+        stringcap(cs, b, valuetable); -- add capture directly to buffer
+        return 1
+    elseif tag == Csubst then
+        substcap(cs, b, valuetable); -- add capture directly to buffer
+        return 1
+    else
+        local subout = { outindex = 0, out = {} }
+        local n = pushcapture(cs, subout, valuetable);
+        if n > 0 then
+            if type(subout.out[1]) ~= 'string' and type(subout.out[1]) ~= 'number' then
+                error(("invalid %s value (a %s)"):format(what, type(subout.out[1])), 0)
+            end
+            b[#b + 1] = subout.out[1]
+            return n
+        end
+    end
+end
+
+
+-- Push all values of the current capture into the stack; returns
+-- number of values pushed
+
+function pushcapture(cs, out, valuetable)
+    local type = cs.ocap[cs.cap].kind
+    if type == Cposition then
+        out.outindex = out.outindex + 1
+        out.out[out.outindex] = cs.ocap[cs.cap].s
+        cs.cap = cs.cap + 1;
+        return 1;
+    elseif type == Cconst then
+        out.outindex = out.outindex + 1
+        out.out[out.outindex] = valuetable[cs.ocap[cs.cap].idx]
+        cs.cap = cs.cap + 1
+        return 1;
+    elseif type == Carg then
+        local arg = valuetable[cs.ocap[cs.cap].idx]
+        cs.cap = cs.cap + 1
+        if arg > cs.ptopcount then
+            error(("reference to absent extra argument #%d"):format(arg), 0)
+        end
+        out.outindex = out.outindex + 1
+        out.out[out.outindex] = cs.ptop[arg]
+        return 1;
+    elseif type == Csimple then
+        local k = pushnestedvalues(cs, true, out, valuetable)
+        local index = out.outindex
+        table.insert(out.out, index - k + 1, out.out[index])
+        out[index + 1] = nil
+        return k;
+    elseif type == Cruntime then
+        out.outindex = out.outindex + 1
+        out.out[out.outindex] = valuetable[cs.ocap[cs.cap].idx]
+        cs.cap = cs.cap + 1;
+        return 1;
+    elseif type == Cstring then
+        local b = {}
+        stringcap(cs, b, valuetable)
+        out.outindex = out.outindex + 1
+        out.out[out.outindex] = table.concat(b)
+        return 1;
+    elseif type == Csubst then
+        local b = {}
+        substcap(cs, b, valuetable);
+        out.outindex = out.outindex + 1
+        out.out[out.outindex] = table.concat(b)
+        return 1;
+    elseif type == Cgroup then
+        -- anonymous group?
+        if cs.ocap[cs.cap].idx == 0 then
+            return pushnestedvalues(cs, false, out, valuetable); -- add all nested values
+        else
+            -- named group: add no values
+            nextcap(cs); -- skip capture
+            return 0
+        end
+    elseif type == Cbackref then
+        return backrefcap(cs, out, valuetable)
+    elseif type == Ctable then
+        return tablecap(cs, out, valuetable)
+    elseif type == Cfunction then
+        return functioncap(cs, out, valuetable)
+    elseif type == Cnum then
+        return numcap(cs, out, valuetable)
+    elseif type == Cquery then
+        return querycap(cs, out, valuetable)
+    elseif type == Cfold then
+        return foldcap(cs, out, valuetable)
+    else
+        assert(false)
+    end
+end
+
+
+-- Prepare a CapState structure and traverse the entire list of
+-- captures in the stack pushing its results. 's' is the subject
+-- string, 'r' is the final position of the match, and 'ptop'
+-- the index in the stack where some useful values were pushed.
+-- Returns the number of results pushed. (If the list produces no
+-- results, push the final position of the match.)
+
+local function getcaptures(capture, s, stream, r, valuetable, ...)
+    local n = 0;
+    local cs = { cap = 0 }
+    local out = { outindex = 0; out = {} }
+    -- is there any capture?
+    if capture[cs.cap].kind ~= Cclose then
+        cs.ocap = capture
+        cs.s = s;
+        cs.stream = stream
+        cs.ptopcount, cs.ptop = retcount(...)
+        repeat -- collect their values
+            n = n + pushcapture(cs, out, valuetable)
+        until cs.ocap[cs.cap].kind == Cclose
+    end
+    -- no capture values?
+    if n == 0 then
+        if not r then
+            return
+        else
+            return r
+        end
+    end
+    assert(out.outindex < 7998, "(too many captures)")
+    return unpack(out.out, 1, out.outindex)
+end
+
+local function getcapturesruntime(capture, s, stream, notdelete, min, max, captop, valuetable, ...)
+    local n = 0;
+    local cs = { cap = min }
+    local out = { outindex = 0; out = {} }
+    cs.ocap = capture
+    cs.s = s
+    cs.stream = stream
+    cs.ptopcount, cs.ptop = retcount(...)
+    local start = 0
+    repeat -- collect their values
+        if not checknextcap(cs, max) then break end
+        local notdelete = notdelete or capture[cs.cap].kind == Cgroup and capture[cs.cap].idx ~= 0 and capture[cs.cap].candelete == 0
+        pushcapture(cs, out, valuetable)
+        if notdelete then
+            start = cs.cap
+        else
+            n = n + cs.cap - start
+            for i = 0, captop - cs.cap - 1 do
+                ffi.copy(capture + start + i, capture + cs.cap + i, ffi.sizeof('CAPTURE'))
+            end
+            max = max - (cs.cap - start)
+            captop = captop - (cs.cap - start)
+            cs.cap = start
+        end
+    until cs.cap == max
+    assert(out.outindex < 7998, "(too many captures)")
+    return n, out.out, out.outindex
+end
+
+return {
+    getcaptures = getcaptures,
+    runtimecap = runtimecap,
+    getcapturesruntime = getcapturesruntime,
+}
+

tools/lpeg/lpprint.lua

@@ -0,0 +1,356 @@
+--[[
+LPEGLJ
+lpprint.lua
+Tree, code and debug print function (only for debuging)
+Copyright (C) 2014 Rostislav Sacek.
+based on LPeg v1.0 - PEG pattern matching for Lua
+Lua.org & PUC-Rio  written by Roberto Ierusalimschy
+http://www.inf.puc-rio.br/~roberto/lpeg/
+
+** Permission is hereby granted, free of charge, to any person obtaining
+** a copy of this software and associated documentation files (the
+** "Software"), to deal in the Software without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Software, and to
+** permit persons to whom the Software is furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be
+** included in all copies or substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+**
+** [ MIT license: http://www.opensource.org/licenses/mit-license.php ]
+--]]
+
+local ffi = require"ffi"
+local band, rshift, lshift = bit.band, bit.rshift, bit.lshift
+
+ffi.cdef[[
+  int isprint ( int c );
+]]
+
+local RuleLR = 0x10000
+local Ruleused = 0x20000
+
+-- {======================================================
+-- Printing patterns (for debugging)
+-- =======================================================
+
+local TChar = 0
+local TSet = 1
+local TAny = 2 -- standard PEG elements
+local TTrue = 3
+local TFalse = 4
+local TRep = 5
+local TSeq = 6
+local TChoice = 7
+local TNot = 8
+local TAnd = 9
+local TCall = 10
+local TOpenCall = 11
+local TRule = 12 -- sib1 is rule's pattern, sib2 is 'next' rule
+local TGrammar = 13 -- sib1 is initial (and first) rule
+local TBehind = 14 -- match behind
+local TCapture = 15 -- regular capture
+local TRunTime = 16 -- run-time capture
+
+local IAny = 0 -- if no char, fail
+local IChar = 1 -- if char != aux, fail
+local ISet = 2 -- if char not in val, fail
+local ITestAny = 3 -- in no char, jump to 'offset'
+local ITestChar = 4 -- if char != aux, jump to 'offset'
+local ITestSet = 5 -- if char not in val, jump to 'offset'
+local ISpan = 6 -- read a span of chars in val
+local IBehind = 7 -- walk back 'aux' characters (fail if not possible)
+local IRet = 8 -- return from a rule
+local IEnd = 9 -- end of pattern
+local IChoice = 10 -- stack a choice; next fail will jump to 'offset'
+local IJmp = 11 -- jump to 'offset'
+local ICall = 12 -- call rule at 'offset'
+local IOpenCall = 13 -- call rule number 'offset' (must be closed to a ICall)
+local ICommit = 14 -- pop choice and jump to 'offset'
+local IPartialCommit = 15 -- update top choice to current position and jump
+local IBackCommit = 16 -- "fails" but jump to its own 'offset'
+local IFailTwice = 17 -- pop one choice and then fail
+local IFail = 18 -- go back to saved state on choice and jump to saved offset
+local IGiveup = 19 -- internal use
+local IFullCapture = 20 -- complete capture of last 'off' chars
+local IOpenCapture = 21 -- start a capture
+local ICloseCapture = 22
+local ICloseRunTime = 23
+
+local Cclose = 0
+local Cposition = 1
+local Cconst = 2
+local Cbackref = 3
+local Carg = 4
+local Csimple = 5
+local Ctable = 6
+local Cfunction = 7
+local Cquery = 8
+local Cstring = 9
+local Cnum = 10
+local Csubst = 11
+local Cfold = 12
+local Cruntime = 13
+local Cgroup = 14
+
+
+-- number of siblings for each tree
+local numsiblings = {
+    [TRep] = 1,
+    [TSeq] = 2,
+    [TChoice] = 2,
+    [TNot] = 1,
+    [TAnd] = 1,
+    [TRule] = 2,
+    [TGrammar] = 1,
+    [TBehind] = 1,
+    [TCapture] = 1,
+    [TRunTime] = 1,
+}
+local names = {
+    [IAny] = "any",
+    [IChar] = "char",
+    [ISet] = "set",
+    [ITestAny] = "testany",
+    [ITestChar] = "testchar",
+    [ITestSet] = "testset",
+    [ISpan] = "span",
+    [IBehind] = "behind",
+    [IRet] = "ret",
+    [IEnd] = "end",
+    [IChoice] = "choice",
+    [IJmp] = "jmp",
+    [ICall] = "call",
+    [IOpenCall] = "open_call",
+    [ICommit] = "commit",
+    [IPartialCommit] = "partial_commit",
+    [IBackCommit] = "back_commit",
+    [IFailTwice] = "failtwice",
+    [IFail] = "fail",
+    [IGiveup] = "giveup",
+    [IFullCapture] = "fullcapture",
+    [IOpenCapture] = "opencapture",
+    [ICloseCapture] = "closecapture",
+    [ICloseRunTime] = "closeruntime"
+}
+
+local function printcharset(st)
+    io.write("[");
+    local i = 0
+    while i <= 255 do
+        local first = i;
+        while band(st[rshift(i, 5)], lshift(1, band(i, 31))) ~= 0 and i <= 255 do
+            i = i + 1
+        end
+        if i - 1 == first then -- unary range?
+            io.write(("(%02x)"):format(first))
+        elseif i - 1 > first then -- non-empty range?
+            io.write(("(%02x-%02x)"):format(first, i - 1))
+        end
+        i = i + 1
+    end
+    io.write("]")
+end
+
+local modes = {
+    [Cclose] = "close",
+    [Cposition] = "position",
+    [Cconst] = "constant",
+    [Cbackref] = "backref",
+    [Carg] = "argument",
+    [Csimple] = "simple",
+    [Ctable] = "table",
+    [Cfunction] = "function",
+    [Cquery] = "query",
+    [Cstring] = "string",
+    [Cnum] = "num",
+    [Csubst] = "substitution",
+    [Cfold] = "fold",
+    [Cruntime] = "runtime",
+    [Cgroup] = "group"
+}
+
+local function printcapkind(kind)
+    io.write(("%s"):format(modes[kind]))
+end
+
+local function printjmp(p, index)
+    io.write(("-> %d"):format(index + p[index].offset))
+end
+
+local function printrulename(p, index, rulenames)
+    if rulenames and rulenames[index + p[index].offset] then
+        io.write(' ', rulenames[index + p[index].offset])
+    end
+end
+
+local function printinst(p, index, valuetable, rulenames)
+    local code = p[index].code
+    if rulenames and rulenames[index] then
+        io.write(rulenames[index], '\n')
+    end
+    io.write(("%04d: %s "):format(index, names[code]))
+    if code == IChar then
+        io.write(("'%s'"):format(string.char(p[index].val)))
+    elseif code == ITestChar then
+        io.write(("'%s'"):format(string.char(p[index].val)))
+        printjmp(p, index)
+        printrulename(p, index, rulenames)
+    elseif code == IFullCapture then
+        printcapkind(band(p[index].val, 0x0f));
+        io.write((" (size = %d)  (idx = %s)"):format(band(rshift(p[index].val, 4), 0xF), tostring(valuetable[p[index].offset])))
+    elseif code == IOpenCapture then
+        printcapkind(band(p[index].val, 0x0f))
+        io.write((" (idx = %s)"):format(tostring(valuetable[p[index].offset])))
+    elseif code == ISet then
+        printcharset(valuetable[p[index].val]);
+    elseif code == ITestSet then
+        printcharset(valuetable[p[index].val])
+        printjmp(p, index);
+        printrulename(p, index, rulenames)
+    elseif code == ISpan then
+        printcharset(valuetable[p[index].val]);
+    elseif code == IOpenCall then
+        io.write(("-> %d"):format(p[index].offset))
+    elseif code == IBehind then
+        io.write(("%d"):format(p[index].val))
+    elseif code == IJmp or code == ICall or code == ICommit or code == IChoice or
+            code == IPartialCommit or code == IBackCommit or code == ITestAny then
+        printjmp(p, index);
+        if (code == ICall or code == IJmp) and p[index].aux > 0 then
+            io.write(' ', valuetable[p[index].aux])
+        else
+            printrulename(p, index, rulenames)
+        end
+    end
+    io.write("\n")
+end
+
+
+local function printpatt(p, valuetable)
+    local ruleNames = {}
+    for i = 0, p.size - 1 do
+        local code = p.p[i].code
+        if (code == ICall or code == IJmp) and p.p[i].aux > 0 then
+            local index = i + p.p[i].offset
+            ruleNames[index] = valuetable[p.p[i].aux]
+        end
+    end
+    for i = 0, p.size - 1 do
+        printinst(p.p, i, valuetable, ruleNames)
+    end
+end
+
+
+local function printcap(cap, index, valuetable)
+    printcapkind(cap[index].kind)
+    io.write((" (idx: %s - size: %d) -> %d\n"):format(valuetable[cap[index].idx], cap[index].siz, cap[index].s))
+end
+
+
+local function printcaplist(cap, limit, valuetable)
+    io.write(">======\n")
+    local index = 0
+    while cap[index].s and index < limit do
+        printcap(cap, index, valuetable)
+        index = index + 1
+    end
+    io.write("=======\n")
+end
+
+-- ======================================================
+
+
+
+-- {======================================================
+-- Printing trees (for debugging)
+-- =======================================================
+
+local tagnames = {
+    [TChar] = "char",
+    [TSet] = "set",
+    [TAny] = "any",
+    [TTrue] = "true",
+    [TFalse] = "false",
+    [TRep] = "rep",
+    [TSeq] = "seq",
+    [TChoice] = "choice",
+    [TNot] = "not",
+    [TAnd] = "and",
+    [TCall] = "call",
+    [TOpenCall] = "opencall",
+    [TRule] = "rule",
+    [TGrammar] = "grammar",
+    [TBehind] = "behind",
+    [TCapture] = "capture",
+    [TRunTime] = "run-time"
+}
+
+
+local function printtree(tree, ident, index, valuetable)
+    for i = 1, ident do
+        io.write(" ")
+    end
+    local tag = tree[index].tag
+    io.write(("%s"):format(tagnames[tag]))
+    if tag == TChar then
+        local c = tree[index].val
+        if ffi.C.isprint(c) then
+            io.write((" '%c'\n"):format(c))
+        else
+            io.write((" (%02X)\n"):format(c))
+        end
+    elseif tag == TSet then
+        printcharset(valuetable[tree[index].val]);
+        io.write("\n")
+    elseif tag == TOpenCall or tag == TCall then
+        io.write((" key: %s\n"):format(tostring(valuetable[tree[index].val])))
+    elseif tag == TBehind then
+        io.write((" %d\n"):format(tree[index].val))
+        printtree(tree, ident + 2, index + 1, valuetable);
+    elseif tag == TCapture then
+        io.write((" cap: %s   n: %s\n"):format(modes[bit.band(tree[index].cap, 0xffff)], valuetable[tree[index].val]))
+        printtree(tree, ident + 2, index + 1, valuetable);
+    elseif tag == TRule then
+        local extra = bit.band(tree[index].cap, RuleLR) == RuleLR and ' left recursive' or ''
+        extra = extra .. (bit.band(tree[index].cap, Ruleused) ~= Ruleused and ' not used' or '')
+        io.write((" n: %d  key: %s%s\n"):format(bit.band(tree[index].cap, 0xffff) - 1, valuetable[tree[index].val], extra))
+        printtree(tree, ident + 2, index + 1, valuetable);
+        -- do not print next rule as a sibling
+    elseif tag == TGrammar then
+        local ruleindex = index + 1
+        io.write((" %d\n"):format(tree[index].val)) -- number of rules
+        for i = 1, tree[index].val do
+            printtree(tree, ident + 2, ruleindex, valuetable);
+            ruleindex = ruleindex + tree[ruleindex].ps
+        end
+        assert(tree[ruleindex].tag == TTrue); -- sentinel
+    else
+        local sibs = numsiblings[tree[index].tag] or 0
+        io.write("\n")
+        if sibs >= 1 then
+            printtree(tree, ident + 2, index + 1, valuetable);
+            if sibs >= 2 then
+                printtree(tree, ident + 2, index + tree[index].ps, valuetable)
+            end
+        end
+    end
+end
+
+-- }====================================================== */
+
+return {
+    printtree = printtree,
+    printpatt = printpatt,
+    printcaplist = printcaplist,
+    printinst = printinst
+}

tools/lpeg/re.lua

@@ -0,0 +1,286 @@
+-- $Id: re.lua,v 1.44 2013/03/26 20:11:40 roberto Exp $
+-- 2014/08/15 changes rostislav
+
+-- imported functions and modules
+local tonumber, print, error = tonumber, print, error
+local setmetatable = setmetatable
+local m = require"lpeglj"
+
+-- 'm' will be used to parse expressions, and 'mm' will be used to
+-- create expressions; that is, 're' runs on 'm', creating patterns
+-- on 'mm'
+local mm = m
+
+-- pattern's metatable
+local mt = getmetatable(mm.P(0))
+mt = m.version() == "1.0.0.0LJ" and m or mt
+
+
+
+-- No more global accesses after this point
+local version = _VERSION
+if version == "Lua 5.2" then _ENV = nil end
+
+
+local any = m.P(1)
+
+
+-- Pre-defined names
+local Predef = { nl = m.P"\n" }
+
+
+local mem
+local fmem
+local gmem
+
+
+local function updatelocale ()
+  mm.locale(Predef)
+  Predef.a = Predef.alpha
+  Predef.c = Predef.cntrl
+  Predef.d = Predef.digit
+  Predef.g = Predef.graph
+  Predef.l = Predef.lower
+  Predef.p = Predef.punct
+  Predef.s = Predef.space
+  Predef.u = Predef.upper
+  Predef.w = Predef.alnum
+  Predef.x = Predef.xdigit
+  Predef.A = any - Predef.a
+  Predef.C = any - Predef.c
+  Predef.D = any - Predef.d
+  Predef.G = any - Predef.g
+  Predef.L = any - Predef.l
+  Predef.P = any - Predef.p
+  Predef.S = any - Predef.s
+  Predef.U = any - Predef.u
+  Predef.W = any - Predef.w
+  Predef.X = any - Predef.x
+  mem = {}    -- restart memoization
+  fmem = {}
+  gmem = {}
+  local mt = {__mode = "v"}
+  setmetatable(mem, mt)
+  setmetatable(fmem, mt)
+  setmetatable(gmem, mt)
+end
+
+
+updatelocale()
+
+
+
+local I = m.P(function (s,i) print(i, s:sub(1, i-1)); return i end)
+
+
+local function getdef (id, defs)
+  local c = defs and defs[id]
+  if not c then error("undefined name: " .. id) end
+  return c
+end
+
+
+local function patt_error (s, i)
+  local msg = (#s < i + 20) and s:sub(i)
+                             or s:sub(i,i+20) .. "..."
+  msg = ("pattern error near '%s'"):format(msg)
+  error(msg, 2)
+end
+
+local function mult (p, n)
+  local np = mm.P(true)
+  while n >= 1 do
+    if n%2 >= 1 then np = np * p end
+    p = p * p
+    n = n/2
+  end
+  return np
+end
+
+local function equalcap (s, i, c)
+  if type(c) ~= "string" then return nil end
+  local e = #c + i
+  if type(s) == 'function' then  -- stream mode
+      if s(i, e - 1) == c then return e else return nil end
+  else
+      if s:sub(i, e - 1) == c then return e else return nil end
+  end
+end
+
+
+local S = (Predef.space + "--" * (any - Predef.nl)^0)^0
+
+local name = m.R("AZ", "az", "__") * m.R("AZ", "az", "__", "09")^0
+
+local arrow = S * "<-"
+
+local seq_follow = m.P"/" + ")" + "}" + ":}" + "~}" + "|}" + (name * arrow) + -1
+
+name = m.C(name)
+
+
+-- a defined name only have meaning in a given environment
+local Def = name * m.Carg(1)
+
+local num = m.C(m.R"09"^1) * S / tonumber
+
+local String = "'" * m.C((any - "'")^0) * "'" +
+               '"' * m.C((any - '"')^0) * '"'
+
+
+local defined = "%" * Def / function (c,Defs)
+  local cat =  Defs and Defs[c] or Predef[c]
+  if not cat then error ("name '" .. c .. "' undefined") end
+  return cat
+end
+
+local Range = m.Cs(any * (m.P"-"/"") * (any - "]")) / mm.R
+
+local item = defined + Range + m.C(any)
+
+local Class =
+    "["
+  * (m.C(m.P"^"^-1))    -- optional complement symbol
+  * m.Cf(item * (item - "]")^0, mt.__add) /
+                          function (c, p) return c == "^" and any - p or p end
+  * "]"
+
+local function adddef (t, k, exp)
+  if t[k] then
+    error("'"..k.."' already defined as a rule")
+  else
+    t[k] = exp
+  end
+  return t
+end
+
+local function firstdef (n, r) return adddef({n}, n, r) end
+
+
+local function NT (n, b, p)
+  if not b then
+    error("rule '"..n.."' used outside a grammar")
+  else return mm.V(n, p or 0)
+  end
+end
+
+
+local exp = m.P{ "Exp",
+  Exp = S * ( m.V"Grammar"
+            + m.Cf(m.V"Seq" * ("/" * S * m.V"Seq")^0, mt.__add) );
+  Seq = m.Cf(m.Cc(m.P"") * m.V"Prefix"^0 , mt.__mul)
+        * (#seq_follow + patt_error);
+  Prefix = "&" * S * m.V"Prefix" / mt.__len
+         + "!" * S * m.V"Prefix" / mt.__unm
+         + m.V"Suffix";
+  Suffix = m.Cf(m.V"Primary" * S *
+          ( ( m.P"+" * m.Cc(1, mt.__pow)
+            + m.P"*" * m.Cc(0, mt.__pow)
+            + m.P"?" * m.Cc(-1, mt.__pow)
+            + "^" * ( m.Cg(num * m.Cc(mult))
+                    + m.Cg(m.C(m.S"+-" * m.R"09"^1) * m.Cc(mt.__pow))
+                    )
+            + "->" * S * ( m.Cg((String + num) * m.Cc(mt.__div))
+                         + m.P"{}" * m.Cc(nil, m.Ct)
+                         + m.Cg(Def / getdef * m.Cc(mt.__div))
+                         )
+            + "=>" * S * m.Cg(Def / getdef * m.Cc(m.Cmt))
+            ) * S
+          )^0, function (a,b,f) return f(a,b) end );
+  Primary = "(" * m.V"Exp" * ")"
+            + String / mm.P
+            + Class
+            + defined
+            + "{:" * (name * ":" + m.Cc(nil)) * m.V"Exp" * ":}" /
+                     function (n, p) return mm.Cg(p, n) end
+            + "=" * name / function (n) return mm.Cmt(mm.Cb(n), equalcap) end
+            + m.P"{}" / mm.Cp
+            + "{~" * m.V"Exp" * "~}" / mm.Cs
+            + "{|" * m.V"Exp" * "|}" / mm.Ct
+            + "{" * m.V"Exp" * "}" / mm.C
+            + m.P"." * m.Cc(any)
+            + (name * m.Cb("G") * (S * ":" * S * num)^-1 * -arrow + "<" * name * m.Cb("G") * (S * ":" * S * num)^-1 * ">") / NT;
+  Definition = name * arrow * m.V"Exp";
+  Grammar = m.Cg(m.Cc(true), "G") *
+            m.Cf(m.V"Definition" / firstdef * m.Cg(m.V"Definition")^0,
+              adddef) / mm.P
+}
+
+local pattern = S * m.Cg(m.Cc(false), "G") * exp / mm.P * (-any + patt_error)
+
+
+local function compile (p, defs)
+  if mm.type(p) == "pattern" then return p end   -- already compiled
+  local cp = pattern:match(p, 1, defs)
+  if not cp then error("incorrect pattern", 3) end
+  return cp
+end
+
+local function match (s, p, i)
+  local cp = mem[p]
+  if not cp then
+    cp = compile(p)
+    mem[p] = cp
+  end
+  return cp:match(s, i or 1)
+end
+
+local function streammatch (p, i)
+    local cp = mem[p]
+    if not cp then
+        cp = compile(p)
+        mem[p] = cp
+    end
+    return cp:streammatch(i or 1)
+end
+
+-- Only for testing purpose
+local function emulatestreammatch(s, p, i)
+    local cp = mem[p]
+    if not cp then
+        cp = compile(p)
+        mem[p] = cp
+    end
+    return cp:emulatestreammatch(s, i or 1)
+end
+
+local function find (s, p, i)
+  local cp = fmem[p]
+  if not cp then
+    cp = compile(p) / 0
+    cp = mm.P{ mm.Cp() * cp * mm.Cp() + 1 * mm.V(1) }
+    fmem[p] = cp
+  end
+  local i, e = cp:match(s, i or 1)
+  if i then return i, e - 1
+  else return i
+  end
+end
+
+local function gsub (s, p, rep)
+  local g = gmem[p] or {}   -- ensure gmem[p] is not collected while here
+  gmem[p] = g
+  local cp = g[rep]
+  if not cp then
+    cp = compile(p)
+    cp = mm.Cs((cp / rep + 1)^0)
+    g[rep] = cp
+  end
+  return cp:match(s)
+end
+
+
+-- exported names
+local re = {
+  compile = compile,
+  match = match,
+  streammatch = streammatch,
+  emulatestreammatch = emulatestreammatch,
+  find = find,
+  gsub = gsub,
+  updatelocale = updatelocale,
+}
+
+if version == "Lua 5.1" then _G.re = re end
+
+return re

tools/luajson/json.lua

@@ -0,0 +1,25 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+package.path = package.path .. ";lpeg/?.lua"
+local decode = require("json.decode")
+local encode = require("json.encode")
+local util = require("json.util")
+
+local _G = _G
+
+local _ENV = nil
+
+local json = {
+	_VERSION = "1.3.4",
+	_DESCRIPTION = "LuaJSON : customizable JSON decoder/encoder",
+	_COPYRIGHT = "Copyright (c) 2007-2014 Thomas Harning Jr. <harningt@gmail.com>",
+	decode = decode,
+	encode = encode,
+	util = util
+}
+
+_G.json = json
+
+return json

tools/luajson/json/decode.lua

@@ -0,0 +1,171 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local lpeg = require("lpeg")
+
+local error = error
+local pcall = pcall
+
+local jsonutil = require("json.util")
+local merge = jsonutil.merge
+local util = require("json.decode.util")
+
+local decode_state = require("json.decode.state")
+
+local setmetatable, getmetatable = setmetatable, getmetatable
+local assert = assert
+local ipairs, pairs = ipairs, pairs
+local string_char = require("string").char
+
+local type = type
+
+local require = require
+
+local _ENV = nil
+
+local modulesToLoad = {
+	"composite",
+	"strings",
+	"number",
+	"others"
+}
+local loadedModules = {
+}
+
+local json_decode = {}
+
+json_decode.default = {
+	unicodeWhitespace = true,
+	initialObject = false,
+	nothrow = false
+}
+
+local modes_defined = { "default", "strict", "simple" }
+
+json_decode.simple = {}
+
+json_decode.strict = {
+	unicodeWhitespace = true,
+	initialObject = true,
+	nothrow = false
+}
+
+for _,name in ipairs(modulesToLoad) do
+	local mod = require("json.decode." .. name)
+	if mod.mergeOptions then
+		for _, mode in pairs(modes_defined) do
+			mod.mergeOptions(json_decode[mode], mode)
+		end
+	end
+	loadedModules[#loadedModules + 1] = mod
+end
+
+-- Shift over default into defaultOptions to permit build optimization
+local defaultOptions = json_decode.default
+json_decode.default = nil
+
+local function generateDecoder(lexer, options)
+	-- Marker to permit detection of final end
+	local marker = {}
+	local parser = lpeg.Ct((options.ignored * lexer)^0 * lpeg.Cc(marker)) * options.ignored * (lpeg.P(-1) + util.unexpected())
+	local decoder = function(data)
+		local state = decode_state.create(options)
+		local parsed = parser:match(data)
+		assert(parsed, "Invalid JSON data")
+		local i = 0
+		while true do
+			i = i + 1
+			local item = parsed[i]
+			if item == marker then break end
+			if type(item) == 'function' and item ~= jsonutil.undefined and item ~= jsonutil.null then
+				item(state)
+			else
+				state:set_value(item)
+			end
+		end
+		if options.initialObject then
+			assert(type(state.previous) == 'table', "Initial value not an object or array")
+		end
+		-- Make sure stack is empty
+		assert(state.i == 0, "Unclosed elements present")
+		return state.previous
+	end
+	if options.nothrow then
+		return function(data)
+			local status, rv = pcall(decoder, data)
+			if status then
+				return rv
+			else
+				return nil, rv
+			end
+		end
+	end
+	return decoder
+end
+
+local function buildDecoder(mode)
+	mode = mode and merge({}, defaultOptions, mode) or defaultOptions
+	for _, mod in ipairs(loadedModules) do
+		if mod.mergeOptions then
+			mod.mergeOptions(mode)
+		end
+	end
+	local ignored = mode.unicodeWhitespace and util.unicode_ignored or util.ascii_ignored
+	-- Store 'ignored' in the global options table
+	mode.ignored = ignored
+
+	--local grammar = {
+	--	[1] = mode.initialObject and (ignored * (object_type + array_type)) or value_type
+	--}
+	local lexer
+	for _, mod in ipairs(loadedModules) do
+		local new_lexer = mod.generateLexer(mode)
+		lexer = lexer and lexer + new_lexer or new_lexer
+	end
+	return generateDecoder(lexer, mode)
+end
+
+-- Since 'default' is nil, we cannot take map it
+local defaultDecoder = buildDecoder(json_decode.default)
+local prebuilt_decoders = {}
+for _, mode in pairs(modes_defined) do
+	if json_decode[mode] ~= nil then
+		prebuilt_decoders[json_decode[mode]] = buildDecoder(json_decode[mode])
+	end
+end
+
+--[[
+Options:
+	number => number decode options
+	string => string decode options
+	array  => array decode options
+	object => object decode options
+	initialObject => whether or not to require the initial object to be a table/array
+	allowUndefined => whether or not to allow undefined values
+]]
+local function getDecoder(mode)
+	mode = mode == true and json_decode.strict or mode or json_decode.default
+	local decoder = mode == nil and defaultDecoder or prebuilt_decoders[mode]
+	if decoder then
+		return decoder
+	end
+	return buildDecoder(mode)
+end
+
+local function decode(data, mode)
+	local decoder = getDecoder(mode)
+	return decoder(data)
+end
+
+local mt = {}
+mt.__call = function(self, ...)
+	return decode(...)
+end
+
+json_decode.getDecoder = getDecoder
+json_decode.decode = decode
+json_decode.util = util
+setmetatable(json_decode, mt)
+
+return json_decode

tools/luajson/json/decode/composite.lua

@@ -0,0 +1,190 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local pairs = pairs
+local type = type
+
+local lpeg = require("lpeg")
+
+local util = require("json.decode.util")
+local jsonutil = require("json.util")
+
+local rawset = rawset
+
+local assert = assert
+local tostring = tostring
+
+local error = error
+local getmetatable = getmetatable
+
+local _ENV = nil
+
+local defaultOptions = {
+	array = {
+		trailingComma = true
+	},
+	object = {
+		trailingComma = true,
+		number = true,
+		identifier = true,
+		setObjectKey = rawset
+	},
+	calls = {
+		defs = nil,
+		-- By default, do not allow undefined calls to be de-serialized as call objects
+		allowUndefined = false
+	}
+}
+
+local modeOptions = {
+	default = nil,
+	strict = {
+		array = {
+			trailingComma = false
+		},
+		object = {
+			trailingComma = false,
+			number = false,
+			identifier = false
+		}
+	}
+}
+
+local function BEGIN_ARRAY(state)
+	state:push()
+	state:new_array()
+end
+local function END_ARRAY(state)
+	state:end_array()
+	state:pop()
+end
+
+local function BEGIN_OBJECT(state)
+	state:push()
+	state:new_object()
+end
+local function END_OBJECT(state)
+	state:end_object()
+	state:pop()
+end
+
+local function END_CALL(state)
+	state:end_call()
+	state:pop()
+end
+
+local function SET_KEY(state)
+	state:set_key()
+end
+
+local function NEXT_VALUE(state)
+	state:put_value()
+end
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, true, 'array', defaultOptions, mode and modeOptions[mode])
+	jsonutil.doOptionMerge(options, true, 'object', defaultOptions, mode and modeOptions[mode])
+	jsonutil.doOptionMerge(options, true, 'calls', defaultOptions, mode and modeOptions[mode])
+end
+
+
+local isPattern
+if lpeg.type then
+	function isPattern(value)
+		return lpeg.type(value) == 'pattern'
+	end
+else
+	local metaAdd = getmetatable(lpeg.P("")).__add
+	function isPattern(value)
+		return getmetatable(value).__add == metaAdd
+	end
+end
+
+
+local function generateSingleCallLexer(name, func)
+	if type(name) ~= 'string' and not isPattern(name) then
+		error("Invalid functionCalls name: " .. tostring(name) .. " not a string or LPEG pattern")
+	end
+	-- Allow boolean or function to match up w/ encoding permissions
+	if type(func) ~= 'boolean' and type(func) ~= 'function' then
+		error("Invalid functionCalls item: " .. name .. " not a function")
+	end
+	local function buildCallCapture(name)
+		return function(state)
+			if func == false then
+				error("Function call on '" .. name .. "' not permitted")
+			end
+			state:push()
+			state:new_call(name, func)
+		end
+	end
+	local nameCallCapture
+	if type(name) == 'string' then
+		nameCallCapture = lpeg.P(name .. "(") * lpeg.Cc(name) / buildCallCapture
+	else
+		-- Name matcher expected to produce a capture
+		nameCallCapture = name * "(" / buildCallCapture
+	end
+	-- Call func over nameCallCapture and value to permit function receiving name
+	return nameCallCapture
+end
+
+local function generateNamedCallLexers(options)
+	if not options.calls or not options.calls.defs then
+		return
+	end
+	local callCapture
+	for name, func in pairs(options.calls.defs) do
+		local newCapture = generateSingleCallLexer(name, func)
+		if not callCapture then
+			callCapture = newCapture
+		else
+			callCapture = callCapture + newCapture
+		end
+	end
+	return callCapture
+end
+
+local function generateCallLexer(options)
+	local lexer
+	local namedCapture = generateNamedCallLexers(options)
+	if options.calls and options.calls.allowUndefined then
+		lexer = generateSingleCallLexer(lpeg.C(util.identifier), true)
+	end
+	if namedCapture then
+		lexer = lexer and lexer + namedCapture or namedCapture
+	end
+	if lexer then
+		lexer = lexer + lpeg.P(")") * lpeg.Cc(END_CALL)
+	end
+	return lexer
+end
+
+local function generateLexer(options)
+	local ignored = options.ignored
+	local array_options, object_options = options.array, options.object
+	local lexer =
+		lpeg.P("[") * lpeg.Cc(BEGIN_ARRAY)
+		+ lpeg.P("]") * lpeg.Cc(END_ARRAY)
+		+ lpeg.P("{") * lpeg.Cc(BEGIN_OBJECT)
+		+ lpeg.P("}") * lpeg.Cc(END_OBJECT)
+		+ lpeg.P(":") * lpeg.Cc(SET_KEY)
+		+ lpeg.P(",") * lpeg.Cc(NEXT_VALUE)
+	if object_options.identifier then
+		-- Add identifier match w/ validation check that it is in key
+		lexer = lexer + lpeg.C(util.identifier) * ignored * lpeg.P(":") * lpeg.Cc(SET_KEY)
+	end
+	local callLexers = generateCallLexer(options)
+	if callLexers then
+		lexer = lexer + callLexers
+	end
+	return lexer
+end
+
+local composite = {
+	mergeOptions = mergeOptions,
+	generateLexer = generateLexer
+}
+
+return composite

tools/luajson/json/decode/number.lua

@@ -0,0 +1,100 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local lpeg = require("lpeg")
+local tonumber = tonumber
+local jsonutil = require("json.util")
+local merge = jsonutil.merge
+local util = require("json.decode.util")
+
+local _ENV = nil
+
+local digit  = lpeg.R("09")
+local digits = digit^1
+
+-- Illegal octal declaration
+local illegal_octal_detect = #(lpeg.P('0') * digits) * util.denied("Octal numbers")
+
+local int = (lpeg.P('-') + 0) * (lpeg.R("19") * digits + illegal_octal_detect + digit)
+
+local frac = lpeg.P('.') * digits
+
+local exp = lpeg.S("Ee") * (lpeg.S("-+") + 0) * digits
+
+local nan = lpeg.S("Nn") * lpeg.S("Aa") * lpeg.S("Nn")
+local inf = lpeg.S("Ii") * lpeg.P("nfinity")
+local ninf = lpeg.P('-') * lpeg.S("Ii") * lpeg.P("nfinity")
+local hex = (lpeg.P("0x") + lpeg.P("0X")) * lpeg.R("09","AF","af")^1
+
+local defaultOptions = {
+	nan = true,
+	inf = true,
+	frac = true,
+	exp = true,
+	hex = false
+}
+
+local modeOptions = {}
+
+modeOptions.strict = {
+	nan = false,
+	inf = false
+}
+
+local nan_value = 0/0
+local inf_value = 1/0
+local ninf_value = -1/0
+
+--[[
+	Options: configuration options for number rules
+		nan: match NaN
+		inf: match Infinity
+	   frac: match fraction portion (.0)
+	    exp: match exponent portion  (e1)
+	DEFAULT: nan, inf, frac, exp
+]]
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'number', defaultOptions, mode and modeOptions[mode])
+end
+
+local function generateLexer(options)
+	options = options.number
+	local ret = int
+	if options.frac then
+		ret = ret * (frac + 0)
+	else
+		ret = ret * (#frac * util.denied("Fractions", "number.frac") + 0)
+	end
+	if options.exp then
+		ret = ret * (exp + 0)
+	else
+		ret = ret * (#exp * util.denied("Exponents", "number.exp") + 0)
+	end
+	if options.hex then
+		ret = hex + ret
+	else
+		ret = #hex * util.denied("Hexadecimal", "number.hex") + ret
+	end
+	-- Capture number now
+	ret = ret / tonumber
+	if options.nan then
+		ret = ret + nan / function() return nan_value end
+	else
+		ret = ret + #nan * util.denied("NaN", "number.nan")
+	end
+	if options.inf then
+		ret = ret + ninf / function() return ninf_value end + inf / function() return inf_value end
+	else
+		ret = ret + (#ninf + #inf) * util.denied("+/-Inf", "number.inf")
+	end
+	return ret
+end
+
+local number = {
+	int = int,
+	mergeOptions = mergeOptions,
+	generateLexer = generateLexer
+}
+
+return number

tools/luajson/json/decode/others.lua

@@ -0,0 +1,62 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local lpeg = require("lpeg")
+local jsonutil = require("json.util")
+local merge = jsonutil.merge
+local util = require("json.decode.util")
+
+-- Container module for other JavaScript types (bool, null, undefined)
+
+local _ENV = nil
+
+-- For null and undefined, use the util.null value to preserve null-ness
+local booleanCapture =
+	lpeg.P("true") * lpeg.Cc(true)
+	+ lpeg.P("false") * lpeg.Cc(false)
+
+local nullCapture = lpeg.P("null")
+local undefinedCapture = lpeg.P("undefined")
+
+local defaultOptions = {
+	allowUndefined = true,
+	null = jsonutil.null,
+	undefined = jsonutil.undefined
+}
+
+local modeOptions = {}
+
+modeOptions.simple = {
+	null = false,     -- Mapped to nil
+	undefined = false -- Mapped to nil
+}
+modeOptions.strict = {
+	allowUndefined = false
+}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'others', defaultOptions, mode and modeOptions[mode])
+end
+
+local function generateLexer(options)
+	-- The 'or nil' clause allows false to map to a nil value since 'nil' cannot be merged
+	options = options.others
+	local valueCapture = (
+		booleanCapture
+		+ nullCapture * lpeg.Cc(options.null or nil)
+	)
+	if options.allowUndefined then
+		valueCapture = valueCapture + undefinedCapture * lpeg.Cc(options.undefined or nil)
+	else
+		valueCapture = valueCapture + #undefinedCapture * util.denied("undefined", "others.allowUndefined")
+	end
+	return valueCapture
+end
+
+local others = {
+	mergeOptions = mergeOptions,	
+	generateLexer = generateLexer
+}
+
+return others

tools/luajson/json/decode/state.lua

@@ -0,0 +1,189 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+
+local setmetatable = setmetatable
+local jsonutil = require("json.util")
+local assert = assert
+local type = type
+local next = next
+local unpack = require("table").unpack or unpack
+
+local _ENV = nil
+
+local state_ops = {}
+local state_mt = {
+	__index = state_ops
+}
+
+function state_ops.pop(self)
+	self.previous_set = true
+	self.previous = self.active
+	local i = self.i
+	-- Load in this array into the active item
+	self.active = self.stack[i]
+	self.active_state = self.state_stack[i]
+	self.active_key = self.key_stack[i]
+	self.stack[i] = nil
+	self.state_stack[i] = nil
+	self.key_stack[i] = nil
+
+	self.i = i - 1
+end
+
+function state_ops.push(self)
+	local i = self.i + 1
+	self.i = i
+	
+	self.stack[i] = self.active
+	self.state_stack[i] = self.active_state
+	self.key_stack[i] = self.active_key
+end
+
+function state_ops.put_object_value(self, trailing)
+	local object_options = self.options.object
+	if trailing and object_options.trailingComma then
+		if not self.active_key then
+			return
+		end
+	end
+	assert(self.active_key, "Missing key value")
+	object_options.setObjectKey(self.active, self.active_key, self:grab_value())
+	self.active_key = nil
+end
+
+function state_ops.put_array_value(self, trailing)
+	-- Safety check
+	if trailing and not self.previous_set and self.options.array.trailingComma then
+		return
+	end
+	local new_index = self.active_state + 1
+	self.active_state = new_index
+	self.active[new_index] = self:grab_value()
+end
+
+function state_ops.put_value(self, trailing)
+	if self.active_state == 'object' then
+		self:put_object_value(trailing)
+	else
+		self:put_array_value(trailing)
+	end
+end
+
+function state_ops.new_array(self)
+	local new_array = {}
+	if jsonutil.InitArray then
+		new_array = jsonutil.InitArray(new_array) or new_array
+	end
+	self.active = new_array
+	self.active_state = 0
+	self.active_key = nil
+	self:unset_value()
+end
+
+function state_ops.end_array(self)
+	if self.previous_set or self.active_state ~= 0 then
+		-- Not an empty array
+		self:put_value(true)
+	end
+	if self.active_state ~= #self.active then
+		-- Store the length in
+		self.active.n = self.active_state
+	end
+end
+
+function state_ops.new_object(self)
+	local new_object = {}
+	self.active = new_object
+	self.active_state = 'object'
+	self.active_key = nil
+	self:unset_value()
+end
+
+function state_ops.end_object(self)
+	if self.previous_set or next(self.active) then
+		-- Not an empty object
+		self:put_value(true)
+	end
+end
+
+function state_ops.new_call(self, name, func)
+	-- TODO setup properly
+	local new_call = {}
+	new_call.name = name
+	new_call.func = func
+	self.active = new_call
+	self.active_state = 0
+	self.active_key = nil
+	self:unset_value()
+end
+
+function state_ops.end_call(self)
+	if self.previous_set or self.active_state ~= 0 then
+		-- Not an empty array
+		self:put_value(true)
+	end
+	if self.active_state ~= #self.active then
+		-- Store the length in
+		self.active.n = self.active_state
+	end
+	local func = self.active.func
+	if func == true then
+		func = jsonutil.buildCall
+	end
+	self.active = func(self.active.name, unpack(self.active, 1, self.active.n or #self.active))
+end
+
+
+function state_ops.unset_value(self)
+	self.previous_set = false
+	self.previous = nil
+end
+
+function state_ops.grab_value(self)
+	assert(self.previous_set, "Previous value not set")
+	self.previous_set = false
+	return self.previous
+end
+
+function state_ops.set_value(self, value)
+	assert(not self.previous_set, "Value set when one already in slot")
+	self.previous_set = true
+	self.previous = value
+end
+
+function state_ops.set_key(self)
+	assert(self.active_state == 'object', "Cannot set key on array")
+	local value = self:grab_value()
+	local value_type = type(value)
+	if self.options.object.number then
+		assert(value_type == 'string' or value_type == 'number', "As configured, a key must be a number or string") 
+	else
+		assert(value_type == 'string', "As configured, a key must be a string")
+	end
+	self.active_key = value
+end
+
+
+local function create(options)
+	local ret = {
+		options = options,
+		stack = {},
+		state_stack = {},
+		key_stack = {},
+		i = 0,
+		active = nil,
+		active_key = nil,
+		previous = nil,
+		active_state = nil
+
+	}
+	return setmetatable(ret, state_mt)
+end
+
+local state = {
+	create = create
+}
+
+return state

tools/luajson/json/decode/strings.lua

@@ -0,0 +1,133 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local lpeg = require("lpeg")
+local jsonutil = require("json.util")
+local util = require("json.decode.util")
+local merge = jsonutil.merge
+
+local tonumber = tonumber
+local string_char = require("string").char
+local floor = require("math").floor
+local table_concat = require("table").concat
+
+local error = error
+
+local _ENV = nil
+
+local function get_error(item)
+	local fmt_string = item .. " in string [%q] @ %i:%i"
+	return lpeg.P(function(data, index)
+		local line, line_index, bad_char, last_line = util.get_invalid_character_info(data, index)
+		local err = fmt_string:format(bad_char, line, line_index)
+		error(err)
+	end) * 1
+end
+
+local bad_unicode   = get_error("Illegal unicode escape")
+local bad_hex       = get_error("Illegal hex escape")
+local bad_character = get_error("Illegal character")
+local bad_escape    = get_error("Illegal escape")
+
+local knownReplacements = {
+	["'"] = "'",
+	['"'] = '"',
+	['\\'] = '\\',
+	['/'] = '/',
+	b = '\b',
+	f = '\f',
+	n = '\n',
+	r = '\r',
+	t = '\t',
+	v = '\v',
+	z = '\z'
+}
+
+-- according to the table at http://da.wikipedia.org/wiki/UTF-8
+local function utf8DecodeUnicode(code1, code2)
+	code1, code2 = tonumber(code1, 16), tonumber(code2, 16)
+	if code1 == 0 and code2 < 0x80 then
+		return string_char(code2)
+	end
+	if code1 < 0x08 then
+		return string_char(
+			0xC0 + code1 * 4 + floor(code2 / 64),
+			0x80 + code2 % 64)
+	end
+	return string_char(
+		0xE0 + floor(code1 / 16),
+		0x80 + (code1 % 16) * 4 + floor(code2 / 64),
+		0x80 + code2 % 64)
+end
+
+local function decodeX(code)
+	code = tonumber(code, 16)
+	return string_char(code)
+end
+
+local doSimpleSub = lpeg.C(lpeg.S("'\"\\/bfnrtvz")) / knownReplacements
+local doUniSub = lpeg.P('u') * (lpeg.C(util.hexpair) * lpeg.C(util.hexpair) + bad_unicode)
+local doXSub = lpeg.P('x') * (lpeg.C(util.hexpair) + bad_hex)
+
+local defaultOptions = {
+	badChars = '',
+	additionalEscapes = false, -- disallow untranslated escapes
+	escapeCheck = #lpeg.S('bfnrtv/\\"xu\'z'), -- no check on valid characters
+	decodeUnicode = utf8DecodeUnicode,
+	strict_quotes = false
+}
+
+local modeOptions = {}
+
+modeOptions.strict = {
+	badChars = '\b\f\n\r\t\v',
+	additionalEscapes = false, -- no additional escapes
+	escapeCheck = #lpeg.S('bfnrtv/\\"u'), --only these chars are allowed to be escaped
+	strict_quotes = true
+}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'strings', defaultOptions, mode and modeOptions[mode])
+end
+
+local function buildCaptureString(quote, badChars, escapeMatch)
+	local captureChar = (1 - lpeg.S("\\" .. badChars .. quote)) + (lpeg.P("\\") / "" * escapeMatch)
+	-- During error, force end
+	local captureString = captureChar^0 + (-#lpeg.P(quote) * bad_character + -1)
+	return lpeg.P(quote) * lpeg.Cs(captureString) * lpeg.P(quote)
+end
+
+local function generateLexer(options)
+	options = options.strings
+	local quotes = { '"' }
+	if not options.strict_quotes then
+		quotes[#quotes + 1] = "'"
+	end
+	local escapeMatch = doSimpleSub
+	escapeMatch = escapeMatch + doXSub / decodeX
+	escapeMatch = escapeMatch + doUniSub / options.decodeUnicode
+	if options.escapeCheck then
+		escapeMatch = options.escapeCheck * escapeMatch + bad_escape
+	end
+	if options.additionalEscapes then
+		escapeMatch = options.additionalEscapes + escapeMatch
+	end
+	local captureString
+	for i = 1, #quotes do
+		local cap = buildCaptureString(quotes[i], options.badChars, escapeMatch)
+		if captureString == nil then
+			captureString = cap
+		else
+			captureString = captureString + cap
+		end
+	end
+	return captureString
+end
+
+local strings = {
+	mergeOptions = mergeOptions,
+	generateLexer = generateLexer
+}
+
+return strings

tools/luajson/json/decode/util.lua

@@ -0,0 +1,121 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local lpeg = require("lpeg")
+local select = select
+local pairs, ipairs = pairs, ipairs
+local tonumber = tonumber
+local string_char = require("string").char
+local rawset = rawset
+local jsonutil = require("json.util")
+
+local error = error
+local setmetatable = setmetatable
+
+local table_concat = require("table").concat
+
+local merge = require("json.util").merge
+
+local _ENV = nil
+
+local function get_invalid_character_info(input, index)
+	local parsed = input:sub(1, index)
+	local bad_character = input:sub(index, index)
+	local _, line_number = parsed:gsub('\n',{})
+	local last_line = parsed:match("\n([^\n]+.)$") or parsed
+	return line_number, #last_line, bad_character, last_line
+end
+
+local function build_report(msg)
+	local fmt = msg:gsub("%%", "%%%%") .. " @ character: %i %i:%i [%s] line:\n%s"
+	return lpeg.P(function(data, pos)
+		local line, line_index, bad_char, last_line = get_invalid_character_info(data, pos)
+		local text = fmt:format(pos, line, line_index, bad_char, last_line)
+		error(text)
+	end) * 1
+end
+local function unexpected()
+	local msg = "unexpected character"
+	return build_report(msg)
+end
+local function denied(item, option)
+	local msg
+	if option then
+		msg = ("'%s' denied by option set '%s'"):format(item, option)
+	else
+		msg = ("'%s' denied"):format(item)
+	end
+	return build_report(msg)
+end
+
+-- 09, 0A, 0B, 0C, 0D, 20
+local ascii_space = lpeg.S("\t\n\v\f\r ")
+local unicode_space
+do
+	local chr = string_char
+	local u_space = ascii_space
+	-- \u0085 \u00A0
+	u_space = u_space + lpeg.P(chr(0xC2)) * lpeg.S(chr(0x85) .. chr(0xA0))
+	-- \u1680 \u180E
+	u_space = u_space + lpeg.P(chr(0xE1)) * (lpeg.P(chr(0x9A, 0x80)) + chr(0xA0, 0x8E))
+	-- \u2000 - \u200A, also 200B
+	local spacing_end = ""
+	for i = 0x80,0x8b do
+		spacing_end = spacing_end .. chr(i)
+	end
+	-- \u2028 \u2029 \u202F
+	spacing_end = spacing_end .. chr(0xA8) .. chr(0xA9) .. chr(0xAF)
+	u_space = u_space + lpeg.P(chr(0xE2, 0x80)) * lpeg.S(spacing_end)
+	-- \u205F
+	u_space = u_space + lpeg.P(chr(0xE2, 0x81, 0x9F))
+	-- \u3000
+	u_space = u_space + lpeg.P(chr(0xE3, 0x80, 0x80))
+	-- BOM \uFEFF
+	u_space = u_space + lpeg.P(chr(0xEF, 0xBB, 0xBF))
+	unicode_space = u_space
+end
+
+local identifier = lpeg.R("AZ","az","__") * lpeg.R("AZ","az", "__", "09") ^0
+
+local hex = lpeg.R("09","AF","af")
+local hexpair = hex * hex
+
+local comments = {
+	cpp = lpeg.P("//") * (1 - lpeg.P("\n"))^0 * lpeg.P("\n"),
+	c = lpeg.P("/*") * (1 - lpeg.P("*/"))^0 * lpeg.P("*/")
+}
+
+local comment = comments.cpp + comments.c
+
+local ascii_ignored = (ascii_space + comment)^0
+
+local unicode_ignored = (unicode_space + comment)^0
+
+-- Parse the lpeg version skipping patch-values
+-- LPEG <= 0.7 have no version value... so 0.7 is value
+local DecimalLpegVersion = lpeg.version and tonumber(lpeg.version():match("^(%d+%.%d+)")) or 0.7
+
+local function setObjectKeyForceNumber(t, key, value)
+	key = tonumber(key) or key
+	return rawset(t, key, value)
+end
+
+local util = {
+	unexpected = unexpected,
+	denied = denied,
+	ascii_space = ascii_space,
+	unicode_space = unicode_space,
+	identifier = identifier,
+	hex = hex,
+	hexpair = hexpair,
+	comments = comments,
+	comment = comment,
+	ascii_ignored = ascii_ignored,
+	unicode_ignored = unicode_ignored,
+	DecimalLpegVersion = DecimalLpegVersion,
+	get_invalid_character_info = get_invalid_character_info,
+	setObjectKeyForceNumber = setObjectKeyForceNumber
+}
+
+return util

tools/luajson/json/encode.lua

@@ -0,0 +1,161 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local type = type
+local assert, error = assert, error
+local getmetatable, setmetatable = getmetatable, setmetatable
+
+local ipairs, pairs = ipairs, pairs
+local require = require
+
+local output = require("json.encode.output")
+
+local util = require("json.util")
+local util_merge, isCall = util.merge, util.isCall
+
+local _ENV = nil
+
+--[[
+	List of encoding modules to load.
+	Loaded in sequence such that earlier encoders get priority when
+	duplicate type-handlers exist.
+]]
+local modulesToLoad = {
+	"strings",
+	"number",
+	"calls",
+	"others",
+	"array",
+	"object"
+}
+-- Modules that have been loaded
+local loadedModules = {}
+
+local json_encode = {}
+
+-- Configuration bases for client apps
+local modes_defined = { "default", "strict" }
+
+json_encode.default = {}
+json_encode.strict = {
+	initialObject = true -- Require an object at the root
+}
+
+-- For each module, load it and its defaults
+for _,name in ipairs(modulesToLoad) do
+	local mod = require("json.encode." .. name)
+	if mod.mergeOptions then
+		for _, mode in pairs(modes_defined) do
+			mod.mergeOptions(json_encode[mode], mode)
+		end
+	end
+	loadedModules[name] = mod
+end
+
+-- NOTE: Nested not found, so assume unsupported until use case arises
+local function flattenOutput(out, value)
+    assert(type(value) ~= 'table')
+	out = out or {}
+    out[#out + 1] = value
+    return out
+end
+
+-- Prepares the encoding map from the already provided modules and new config
+local function prepareEncodeMap(options)
+	local map = {}
+	for _, name in ipairs(modulesToLoad) do
+		local encodermap = loadedModules[name].getEncoder(options[name])
+		for valueType, encoderSet in pairs(encodermap) do
+			map[valueType] = flattenOutput(map[valueType], encoderSet)
+		end
+	end
+	return map
+end
+
+--[[
+	Encode a value with a given encoding map and state
+]]
+local function encodeWithMap(value, map, state, isObjectKey)
+	local t = type(value)
+	local encoderList = assert(map[t], "Failed to encode value, unhandled type: " .. t)
+	for _, encoder in ipairs(encoderList) do
+		local ret = encoder(value, state, isObjectKey)
+		if false ~= ret then
+			return ret
+		end
+	end
+	error("Failed to encode value, encoders for " .. t .. " deny encoding")
+end
+
+
+local function getBaseEncoder(options)
+	local encoderMap = prepareEncodeMap(options)
+	if options.preProcess then
+		local preProcess = options.preProcess
+		return function(value, state, isObjectKey)
+			local ret = preProcess(value, isObjectKey or false)
+			if nil ~= ret then
+				value = ret
+			end
+			return encodeWithMap(value, encoderMap, state)
+		end
+	end
+	return function(value, state, isObjectKey)
+		return encodeWithMap(value, encoderMap, state)
+	end
+end
+--[[
+	Retreive an initial encoder instance based on provided options
+	the initial encoder is responsible for initializing state
+		State has at least these values configured: encode, check_unique, already_encoded
+]]
+function json_encode.getEncoder(options)
+	options = options and util_merge({}, json_encode.default, options) or json_encode.default
+	local encode = getBaseEncoder(options)
+
+	local function initialEncode(value)
+		if options.initialObject then
+			local errorMessage = "Invalid arguments: expects a JSON Object or Array at the root"
+			assert(type(value) == 'table' and not isCall(value, options), errorMessage)
+		end
+
+		local alreadyEncoded = {}
+		local function check_unique(value)
+			assert(not alreadyEncoded[value], "Recursive encoding of value")
+			alreadyEncoded[value] = true
+		end
+
+		local outputEncoder = options.output and options.output() or output.getDefault()
+		local state = {
+			encode = encode,
+			check_unique = check_unique,
+			already_encoded = alreadyEncoded, -- To unmark encoding when moving up stack
+			outputEncoder = outputEncoder
+		}
+		local ret = encode(value, state)
+		if nil ~= ret then
+			return outputEncoder.simple and outputEncoder.simple(ret) or ret
+		end
+	end
+	return initialEncode
+end
+
+-- CONSTRUCT STATE WITH FOLLOWING (at least)
+--[[
+	encoder
+	check_unique -- used by inner encoders to make sure value is unique
+	already_encoded -- used to unmark a value as unique
+]]
+function json_encode.encode(data, options)
+	return json_encode.getEncoder(options)(data)
+end
+
+local mt = {}
+mt.__call = function(self, ...)
+	return json_encode.encode(...)
+end
+
+setmetatable(json_encode, mt)
+
+return json_encode

tools/luajson/json/encode/array.lua

@@ -0,0 +1,110 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local jsonutil = require("json.util")
+
+local type = type
+local pairs = pairs
+local assert = assert
+
+local table = require("table")
+local math = require("math")
+local table_concat = table.concat
+local math_floor, math_modf = math.floor, math.modf
+
+local jsonutil = require("json.util")
+local util_IsArray = jsonutil.IsArray
+
+local _ENV = nil
+
+local defaultOptions = {
+	isArray = util_IsArray
+}
+
+local modeOptions = {}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'array', defaultOptions, mode and modeOptions[mode])
+end
+
+--[[
+	Utility function to determine whether a table is an array or not.
+	Criteria for it being an array:
+		* ExternalIsArray returns true (or false directly reports not-array)
+		* If the table has an 'n' value that is an integer >= 1 then it
+		  is an array... may result in false positives (should check some values
+		  before it)
+		* It is a contiguous list of values with zero string-based keys
+]]
+local function isArray(val, options)
+	local externalIsArray = options and options.isArray
+
+	if externalIsArray then
+		local ret = externalIsArray(val)
+		if ret == true or ret == false then
+			return ret
+		end
+	end
+	-- Use the 'n' element if it's a number
+	if type(val.n) == 'number' and math_floor(val.n) == val.n and val.n >= 1 then
+		return true
+	end
+	local len = #val
+	for k,v in pairs(val) do
+		if type(k) ~= 'number' then
+			return false
+		end
+		local _, decim = math_modf(k)
+		if not (decim == 0 and 1<=k) then
+			return false
+		end
+		if k > len then -- Use Lua's length as absolute determiner
+			return false
+		end
+	end
+
+	return true
+end
+
+--[[
+	Cleanup function to unmark a value as in the encoding process and return
+	trailing results
+]]
+local function unmarkAfterEncode(tab, state, ...)
+	state.already_encoded[tab] = nil
+	return ...
+end
+local function getEncoder(options)
+	options = options and jsonutil.merge({}, defaultOptions, options) or defaultOptions
+	local function encodeArray(tab,  state)
+		if not isArray(tab, options) then
+			return false
+		end
+		-- Make sure this value hasn't been encoded yet
+		state.check_unique(tab)
+		local encode = state.encode
+		local compositeEncoder = state.outputEncoder.composite
+		local valueEncoder = [[
+		for i = 1, (composite.n or #composite) do
+			local val = composite[i]
+			PUTINNER(i ~= 1)
+			val = encode(val, state)
+			val = val or ''
+			if val then
+				PUTVALUE(val)
+			end
+		end
+		]]
+		return unmarkAfterEncode(tab, state, compositeEncoder(valueEncoder, '[', ']', ',', tab, encode, state))
+	end
+	return { table = encodeArray }
+end
+
+local array = {
+	mergeOptions = mergeOptions,
+	isArray = isArray,
+	getEncoder = getEncoder
+}
+
+return array

tools/luajson/json/encode/calls.lua

@@ -0,0 +1,68 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local table = require("table")
+local table_concat = table.concat
+
+local select = select
+local getmetatable, setmetatable = getmetatable, setmetatable
+local assert = assert
+
+local jsonutil = require("json.util")
+
+local isCall, decodeCall = jsonutil.isCall, jsonutil.decodeCall
+
+local _ENV = nil
+
+local defaultOptions = {
+}
+
+-- No real default-option handling needed...
+local modeOptions = {}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'calls', defaultOptions, mode and modeOptions[mode])
+end
+
+
+--[[
+	Encodes 'value' as a function call
+	Must have parameters in the 'callData' field of the metatable
+		name == name of the function call
+		parameters == array of parameters to encode
+]]
+local function getEncoder(options)
+	options = options and jsonutil.merge({}, defaultOptions, options) or defaultOptions
+	local function encodeCall(value, state)
+		if not isCall(value) then
+			return false
+		end
+		local encode = state.encode
+		local name, params = decodeCall(value)
+		local compositeEncoder = state.outputEncoder.composite
+		local valueEncoder = [[
+		for i = 1, (composite.n or #composite) do
+			local val = composite[i]
+			PUTINNER(i ~= 1)
+			val = encode(val, state)
+			val = val or ''
+			if val then
+				PUTVALUE(val)
+			end
+		end
+		]]
+		return compositeEncoder(valueEncoder, name .. '(', ')', ',', params, encode, state)
+	end
+	return {
+		table = encodeCall,
+		['function'] = encodeCall
+	}
+end
+
+local calls = {
+	mergeOptions = mergeOptions,
+	getEncoder = getEncoder
+}
+
+return calls

tools/luajson/json/encode/number.lua

@@ -0,0 +1,58 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local tostring = tostring
+local assert = assert
+local jsonutil = require("json.util")
+local huge = require("math").huge
+
+local _ENV = nil
+
+local defaultOptions = {
+	nan = true,
+	inf = true
+}
+
+local modeOptions = {}
+modeOptions.strict = {
+	nan = false,
+	inf = false
+}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'number', defaultOptions, mode and modeOptions[mode])
+end
+
+
+local function encodeNumber(number, options)
+	if number ~= number then
+		assert(options.nan, "Invalid number: NaN not enabled")
+		return "NaN"
+	end
+	if number == huge then
+		assert(options.inf, "Invalid number: Infinity not enabled")
+		return "Infinity"
+	end
+	if number == -huge then
+		assert(options.inf, "Invalid number: Infinity not enabled")
+		return "-Infinity"
+	end
+	return tostring(number)
+end
+
+local function getEncoder(options)
+	options = options and jsonutil.merge({}, defaultOptions, options) or defaultOptions
+	return {
+		number = function(number, state)
+			return encodeNumber(number, options)
+		end
+	}
+end
+
+local number = {
+	mergeOptions = mergeOptions,
+	getEncoder = getEncoder
+}
+
+return number

tools/luajson/json/encode/object.lua

@@ -0,0 +1,77 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local pairs = pairs
+local assert = assert
+
+local type = type
+local tostring = tostring
+
+local table_concat = require("table").concat
+local jsonutil = require("json.util")
+
+local _ENV = nil
+
+local defaultOptions = {
+}
+
+local modeOptions = {}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'object', defaultOptions, mode and modeOptions[mode])
+end
+
+--[[
+	Cleanup function to unmark a value as in the encoding process and return
+	trailing results
+]]
+local function unmarkAfterEncode(tab, state, ...)
+	state.already_encoded[tab] = nil
+	return ...
+end
+--[[
+	Encode a table as a JSON Object ( keys = strings, values = anything else )
+]]
+local function encodeTable(tab, options, state)
+	-- Make sure this value hasn't been encoded yet
+	state.check_unique(tab)
+	local encode = state.encode
+	local compositeEncoder = state.outputEncoder.composite
+	local valueEncoder = [[
+	local first = true
+	for k, v in pairs(composite) do
+		local ti = type(k)
+		assert(ti == 'string' or ti == 'number' or ti == 'boolean', "Invalid object index type: " .. ti)
+		local name = encode(tostring(k), state, true)
+		if first then
+			first = false
+		else
+			name = ',' .. name
+		end
+		PUTVALUE(name .. ':')
+		local val = encode(v, state)
+		val = val or ''
+		if val then
+			PUTVALUE(val)
+		end
+	end
+	]]
+	return unmarkAfterEncode(tab, state, compositeEncoder(valueEncoder, '{', '}', nil, tab, encode, state))
+end
+
+local function getEncoder(options)
+	options = options and jsonutil.merge({}, defaultOptions, options) or defaultOptions
+	return {
+		table = function(tab, state)
+			return encodeTable(tab, options, state)
+		end
+	}
+end
+
+local object = {
+	mergeOptions = mergeOptions,
+	getEncoder = getEncoder
+}
+
+return object

tools/luajson/json/encode/others.lua

@@ -0,0 +1,66 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local tostring = tostring
+
+local assert = assert
+local jsonutil = require("json.util")
+local type = type
+
+local _ENV = nil
+
+-- Shortcut that works
+local encodeBoolean = tostring
+
+local defaultOptions = {
+	allowUndefined = true,
+	null = jsonutil.null,
+	undefined = jsonutil.undefined
+}
+
+local modeOptions = {}
+
+modeOptions.strict = {
+	allowUndefined = false
+}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'others', defaultOptions, mode and modeOptions[mode])
+end
+local function getEncoder(options)
+	options = options and jsonutil.merge({}, defaultOptions, options) or defaultOptions
+	local function encodeOthers(value, state)
+		if value == options.null then
+			return 'null'
+		elseif value == options.undefined then
+			assert(options.allowUndefined, "Invalid value: Unsupported 'Undefined' parameter")
+			return 'undefined'
+		else
+			return false
+		end
+	end
+	local function encodeBoolean(value, state)
+		return value and 'true' or 'false'
+	end
+	local nullType = type(options.null)
+	local undefinedType = options.undefined and type(options.undefined)
+	-- Make sure that all of the types handled here are handled
+	local ret = {
+		boolean = encodeBoolean,
+		['nil'] = function() return 'null' end,
+		[nullType] = encodeOthers
+	}
+	if undefinedType then
+		ret[undefinedType] = encodeOthers
+	end
+	return ret
+end
+
+local others = {
+	encodeBoolean = encodeBoolean,
+	mergeOptions = mergeOptions,
+	getEncoder = getEncoder
+}
+
+return others

tools/luajson/json/encode/output.lua

@@ -0,0 +1,91 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local type = type
+local assert, error = assert, error
+local table_concat = require("table").concat
+local loadstring = loadstring or load
+
+local io = require("io")
+
+local setmetatable = setmetatable
+
+local output_utility = require("json.encode.output_utility")
+
+local _ENV = nil
+
+local tableCompositeCache = setmetatable({}, {__mode = 'v'})
+
+local TABLE_VALUE_WRITER = [[
+	ret[#ret + 1] = %VALUE%
+]]
+
+local TABLE_INNER_WRITER = ""
+
+--[[
+	nextValues can output a max of two values to throw into the data stream
+	expected to be called until nil is first return value
+	value separator should either be attached to v1 or in innerValue
+]]
+local function defaultTableCompositeWriter(nextValues, beginValue, closeValue, innerValue, composite, encode, state)
+	if type(nextValues) == 'string' then
+		local fun = output_utility.prepareEncoder(defaultTableCompositeWriter, nextValues, innerValue, TABLE_VALUE_WRITER, TABLE_INNER_WRITER)
+		local ret = {}
+		fun(composite, ret, encode, state)
+		return beginValue .. table_concat(ret, innerValue) .. closeValue
+	end
+end
+
+-- no 'simple' as default action is just to return the value
+local function getDefault()
+	return { composite = defaultTableCompositeWriter }
+end
+
+-- BEGIN IO-WRITER OUTPUT
+local IO_INNER_WRITER = [[
+	if %WRITE_INNER% then
+		state.__outputFile:write(%INNER_VALUE%)
+	end
+]]
+local IO_VALUE_WRITER = [[
+	state.__outputFile:write(%VALUE%)
+]]
+
+local function buildIoWriter(output)
+	if not output then -- Default to stdout
+		output = io.output()
+	end
+	local function ioWriter(nextValues, beginValue, closeValue, innerValue, composite, encode, state)
+		-- HOOK OUTPUT STATE
+		state.__outputFile = output
+		if type(nextValues) == 'string' then
+			local fun = output_utility.prepareEncoder(ioWriter, nextValues, innerValue, IO_VALUE_WRITER, IO_INNER_WRITER)
+			local ret = {}
+			output:write(beginValue)
+			fun(composite, ret, encode, state)
+			output:write(closeValue)
+			return nil
+		end
+	end
+
+	local function ioSimpleWriter(encoded)
+		if encoded then
+			output:write(encoded)
+		end
+		return nil
+	end
+	return { composite = ioWriter, simple = ioSimpleWriter }
+end
+local function getIoWriter(output)
+	return function()
+		return buildIoWriter(output)
+	end
+end
+
+local output = {
+	getDefault = getDefault,
+	getIoWriter = getIoWriter
+}
+
+return output

tools/luajson/json/encode/output_utility.lua

@@ -0,0 +1,54 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local setmetatable = setmetatable
+local assert, loadstring = assert, loadstring or load
+
+local _ENV = nil
+
+-- Key == weak, if main key goes away, then cache cleared
+local outputCache = setmetatable({}, {__mode = 'k'})
+-- TODO: inner tables weak?
+
+local function buildFunction(nextValues, innerValue, valueWriter, innerWriter)
+	local putInner = ""
+	if innerValue and innerWriter then
+		-- Prepare the lua-string representation of the separator to put in between values
+		local formattedInnerValue = ("%q"):format(innerValue)
+		-- Fill in the condition %WRITE_INNER% and the %INNER_VALUE% to actually write
+		putInner = innerWriter:gsub("%%WRITE_INNER%%", "%%1"):gsub("%%INNER_VALUE%%", formattedInnerValue)
+	end
+	-- Template-in the value writer (if present) and its conditional argument
+	local functionCode = nextValues:gsub("PUTINNER(%b())", putInner)
+	-- %VALUE% is to be filled in by the value-to-write
+	valueWriter = valueWriter:gsub("%%VALUE%%", "%%1")
+	-- Template-in the value writer with its argument
+	functionCode = functionCode:gsub("PUTVALUE(%b())", valueWriter)
+	functionCode = [[
+		return function(composite, ret, encode, state)
+	]] .. functionCode .. [[
+		end
+	]]
+	return assert(loadstring(functionCode))()
+end
+
+local function prepareEncoder(cacheKey, nextValues, innerValue, valueWriter, innerWriter)
+	local cache = outputCache[cacheKey]
+	if not cache then
+		cache = {}
+		outputCache[cacheKey] = cache
+	end
+	local fun = cache[nextValues]
+	if not fun then
+		fun = buildFunction(nextValues, innerValue, valueWriter, innerWriter)
+		cache[nextValues] = fun
+	end
+	return fun
+end
+
+local output_utility = {
+	prepareEncoder = prepareEncoder
+}
+
+return output_utility

tools/luajson/json/encode/strings.lua

@@ -0,0 +1,88 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local string_char = require("string").char
+local pairs = pairs
+
+local jsonutil = require("json.util")
+local util_merge = jsonutil.merge
+
+local _ENV = nil
+
+local normalEncodingMap = {
+	['"'] = '\\"',
+	['\\'] = '\\\\',
+	['/'] = '\\/',
+	['\b'] = '\\b',
+	['\f'] = '\\f',
+	['\n'] = '\\n',
+	['\r'] = '\\r',
+	['\t'] = '\\t',
+	['\v'] = '\\v' -- not in official spec, on report, removing
+}
+
+local xEncodingMap = {}
+for char, encoded in pairs(normalEncodingMap) do
+	xEncodingMap[char] = encoded
+end
+
+-- Pre-encode the control characters to speed up encoding...
+-- NOTE: UTF-8 may not work out right w/ JavaScript
+-- JavaScript uses 2 bytes after a \u... yet UTF-8 is a
+-- byte-stream encoding, not pairs of bytes (it does encode
+-- some letters > 1 byte, but base case is 1)
+for i = 0, 255 do
+	local c = string_char(i)
+	if c:match('[%z\1-\031\128-\255]') and not normalEncodingMap[c] then
+		-- WARN: UTF8 specializes values >= 0x80 as parts of sequences...
+		--       without \x encoding, do not allow encoding > 7F
+		normalEncodingMap[c] = ('\\u%.4X'):format(i)
+		xEncodingMap[c] = ('\\x%.2X'):format(i)
+	end
+end
+
+local defaultOptions = {
+	xEncode = false, -- Encode single-bytes as \xXX
+	processor = nil, -- Simple processor for the string prior to quoting
+	-- / is not required to be quoted but it helps with certain decoding
+	-- Required encoded characters, " \, and 00-1F  (0 - 31)
+	encodeSet = '\\"/%z\1-\031',
+	encodeSetAppend = nil -- Chars to append to the default set
+}
+
+local modeOptions = {}
+
+local function mergeOptions(options, mode)
+	jsonutil.doOptionMerge(options, false, 'strings', defaultOptions, mode and modeOptions[mode])
+end
+
+local function getEncoder(options)
+	options = options and util_merge({}, defaultOptions, options) or defaultOptions
+	local encodeSet = options.encodeSet
+	if options.encodeSetAppend then
+		encodeSet = encodeSet .. options.encodeSetAppend
+	end
+	local encodingMap = options.xEncode and xEncodingMap or normalEncodingMap
+	local encodeString
+	if options.processor then
+		local processor = options.processor
+		encodeString = function(s, state)
+			return '"' .. processor(s:gsub('[' .. encodeSet .. ']', encodingMap)) .. '"'
+		end
+	else
+		encodeString = function(s, state)
+			return '"' .. s:gsub('[' .. encodeSet .. ']', encodingMap) .. '"'
+		end
+	end
+	return {
+		string = encodeString
+	}
+end
+
+local strings = {
+	mergeOptions = mergeOptions,
+	getEncoder = getEncoder
+}
+
+return strings

tools/luajson/json/util.lua

@@ -0,0 +1,152 @@
+--[[
+	Licensed according to the included 'LICENSE' document
+	Author: Thomas Harning Jr <harningt@gmail.com>
+]]
+local type = type
+local print = print
+local tostring = tostring
+local pairs = pairs
+local getmetatable, setmetatable = getmetatable, setmetatable
+local select = select
+
+local _ENV = nil
+
+local function foreach(tab, func)
+	for k, v in pairs(tab) do
+		func(k,v)
+	end
+end
+local function printValue(tab, name)
+        local parsed = {}
+        local function doPrint(key, value, space)
+                space = space or ''
+                if type(value) == 'table' then
+                        if parsed[value] then
+                                print(space .. key .. '= <' .. parsed[value] .. '>')
+                        else
+                                parsed[value] = key
+                                print(space .. key .. '= {')
+                                space = space .. ' '
+                                foreach(value, function(key, value) doPrint(key, value, space) end)
+                        end
+                else
+					if type(value) == 'string' then
+						value = '[[' .. tostring(value) .. ']]'
+					end
+					print(space .. key .. '=' .. tostring(value))
+                end
+        end
+        doPrint(name, tab)
+end
+
+local function clone(t)
+	local ret = {}
+	for k,v in pairs(t) do
+		ret[k] = v
+	end
+	return ret
+end
+
+local function inner_merge(t, remaining, from, ...)
+	if remaining == 0 then
+		return t
+	end
+	if from then
+		for k,v in pairs(from) do
+			t[k] = v
+		end
+	end
+	return inner_merge(t, remaining - 1, ...)
+end
+
+--[[*
+    Shallow-merges tables in order onto the first table.
+
+    @param t table to merge entries onto
+    @param ... sequence of 0 or more tables to merge onto 't'
+
+    @returns table 't' from input
+]]
+local function merge(t, ...)
+	return inner_merge(t, select('#', ...), ...)
+end
+
+-- Function to insert nulls into the JSON stream
+local function null()
+	return null
+end
+
+-- Marker for 'undefined' values
+local function undefined()
+	return undefined
+end
+
+local ArrayMT = {}
+
+--[[
+	Return's true if the metatable marks it as an array..
+	Or false if it has no array component at all
+	Otherwise nil to get the normal detection component working
+]]
+local function IsArray(value)
+	if type(value) ~= 'table' then return false end
+	local meta = getmetatable(value)
+	local ret = meta == ArrayMT or (meta ~= nil and meta.__is_luajson_array)
+	if not ret then
+		if #value == 0 then return false end
+	else
+		return ret
+	end
+end
+local function InitArray(array)
+	setmetatable(array, ArrayMT)
+	return array
+end
+
+local CallMT = {}
+
+local function isCall(value)
+	return CallMT == getmetatable(value)
+end
+
+local function buildCall(name, ...)
+	local callData = {
+		name = name,
+		parameters = {n = select('#', ...), ...}
+	}
+	return setmetatable(callData, CallMT)
+end
+
+local function decodeCall(callData)
+	if not isCall(callData) then return nil end
+	return callData.name, callData.parameters
+end
+
+local function doOptionMerge(options, nested, name, defaultOptions, modeOptions)
+	if nested then
+		modeOptions = modeOptions and modeOptions[name]
+		defaultOptions = defaultOptions and defaultOptions[name]
+	end
+	options[name] = merge(
+		{},
+		defaultOptions,
+		modeOptions,
+		options[name]
+	)
+end
+
+local json_util = {
+	printValue = printValue,
+	clone = clone,
+	merge = merge,
+	null = null,
+	undefined = undefined,
+	IsArray = IsArray,
+	InitArray = InitArray,
+	isCall = isCall,
+	buildCall = buildCall,
+	decodeCall = decodeCall,
+	doOptionMerge = doOptionMerge
+}
+
+return json_util

tools/luajson/test_json.lua

@@ -0,0 +1,95 @@
+package.path = package.path .. ";lua_scripts/libraries/luajson/?.lua"
+
+local JSON = require"json"
+
+local jsontest = [[{ 1:{"scn_ptz_id":"",
+"scn_ptz_prepos":"Preset 176",
+"scn_ptz_order":1,
+"scn_ptz_duration":"30",
+"scn_ptz_rally_delay":"2"}
+,
+2:{"scn_ptz_id":"","scn_ptz_prepos":"route","scn_ptz_order":2,"scn_ptz_duration":"30","scn_ptz_rally_delay":"2"} }
+]]
+local jsontest2 = [[{
+	"extension":"mpg",
+	"id":1545148451781,
+	"name":"Foule_1280x720p.mpg",
+	"size":67240746,
+	"date":1545148451,
+	"mime":"video\/mpeg",
+	"filename":"1545148451781.mpg",
+	"dir":"\/home\/pixalarm_data\/fileprocessor_data",
+	"function_metadatas":
+	{
+		"function_faceblur":
+		{
+		   "date":1545228627,
+		   "current_frame":"845",
+		   "polygons":[
+			{
+				"polygon_id":"new_1",
+				"polygon_vertex":"[
+				   [0.14254859611231102,0.12476007677543186],[0.13174946004319654,0.4740882917466411],
+				   [0.3898488120950324,0.6621880998080614],[0.4038876889848812,0.11516314779270634]
+				]",
+				"polygon_frame_start":"1",
+				"polygon_frame_stop":"300",
+                                "polygon_type":"full_blur"
+			},
+			{
+				"polygon_id":"new_2",
+				"polygon_vertex":"[
+				   [0.6198704103671706,0.1727447216890595],[0.5496760259179265,0.6007677543186181],
+				   [0.7775377969762419,0.7946257197696737],[0.9028077753779697,0.761996161228407],
+				   [0.9481641468682506,0.2821497120921305],[0.7829373650107991,0.04798464491362764]
+				]",
+				"polygon_frame_start":"200",
+				"polygon_frame_stop":"845",
+                                "polygon_type":"no_blur"
+			}
+                   ],
+		   "framecuts":[
+		      ["17","110"],
+		      ["248","298"],
+		      ["488","620"],
+		      ["378","428"]
+		   ],
+                   "face_selection":[
+                       {
+                         "frame":"21",
+                          "x":"0.5",
+                          "y":"0.356"
+                       },
+                       {
+                          "frame":"108",
+                          "x":"0.4289",
+                          "y":"0.275"
+                       },
+                       {
+                          "frame":"294",
+                          "x":"0.726",
+                           "y":"0.2364"
+                       }
+                    ],
+		    "blur_type":"blur",
+		    "blur_area":"face"
+		}
+	},
+	"total_frame":"845",
+	"status":"DECODE_FINISHED",
+	"fps":"25.00"
+}]]
+
+local res = JSON.decode(jsontest2)
+for k, v in pairs(res) do
+  print( k, v)
+end
+
+res = JSON.decode( '{"content" : {},"date" : "2014-12-30T08:29:48Z","error" : {"code" : 0,"httpcode" : 200,"message" : ""},"status" : 1}' )
+for k, v in pairs(res) do
+  print( k, v)
+end
+
+local jsondata = JSON.encode( res )
+print(jsondata)
+