diff options
Diffstat (limited to 'lualibs-table.lua')
| -rw-r--r-- | lualibs-table.lua | 380 |
1 files changed, 35 insertions, 345 deletions
diff --git a/lualibs-table.lua b/lualibs-table.lua index 493a820..4f6b9b4 100644 --- a/lualibs-table.lua +++ b/lualibs-table.lua @@ -366,12 +366,12 @@ local function simple_table(t) else tt[nt] = tostring(v) -- tostring not needed end - elseif tv == "boolean" then - nt = nt + 1 - tt[nt] = tostring(v) elseif tv == "string" then nt = nt + 1 tt[nt] = format("%q",v) + elseif tv == "boolean" then + nt = nt + 1 + tt[nt] = v and "true" or "false" else tt = nil break @@ -397,7 +397,8 @@ end -- todo: %g faster on numbers than %s --- we can speed this up with repeaters and formatters (is indeed faster) +-- we can speed this up with repeaters and formatters but we haven't defined them +-- yet local propername = patterns.propername -- was find(name,"^%a[%w%_]*$") @@ -423,7 +424,7 @@ local function do_serialize(root,name,depth,level,indexed) handle(format("%s[%q]={",depth,name)) end elseif tn == "boolean" then - handle(format("%s[%s]={",depth,tostring(name))) + handle(format("%s[%s]={",depth,name and "true" or "false")) else handle(format("%s{",depth)) end @@ -459,21 +460,21 @@ local function do_serialize(root,name,depth,level,indexed) --~ if v == root then -- circular --~ else - local t, tk = type(v), type(k) + local tv, tk = type(v), type(k) if compact and first and tk == "number" and k >= first and k <= last then - if t == "number" then + if tv == "number" then if hexify then handle(format("%s 0x%04X,",depth,v)) else handle(format("%s %s,",depth,v)) -- %.99g end - elseif t == "string" then + elseif tv == "string" then if reduce and tonumber(v) then handle(format("%s %s,",depth,v)) else handle(format("%s %q,",depth,v)) end - elseif t == "table" then + elseif tv == "table" then if not next(v) then handle(format("%s {},",depth)) elseif inline then -- and #t > 0 @@ -486,9 +487,9 @@ local function do_serialize(root,name,depth,level,indexed) else do_serialize(v,k,depth,level+1,true) end - elseif t == "boolean" then - handle(format("%s %s,",depth,tostring(v))) - elseif t == "function" then + elseif tv == "boolean" then + handle(format("%s %s,",depth,v and "true" or "false")) + elseif tv == "function" then if functions then handle(format('%s load(%q),',depth,dump(v))) -- maybe strip else @@ -501,7 +502,7 @@ local function do_serialize(root,name,depth,level,indexed) if false then handle(format("%s __p__=nil,",depth)) end - elseif t == "number" then + elseif tv == "number" then if tk == "number" then if hexify then handle(format("%s [0x%04X]=0x%04X,",depth,k,v)) @@ -510,9 +511,9 @@ local function do_serialize(root,name,depth,level,indexed) end elseif tk == "boolean" then if hexify then - handle(format("%s [%s]=0x%04X,",depth,tostring(k),v)) + handle(format("%s [%s]=0x%04X,",depth,k and "true" or "false",v)) else - handle(format("%s [%s]=%s,",depth,tostring(k),v)) -- %.99g + handle(format("%s [%s]=%s,",depth,k and "true" or "false",v)) -- %.99g end elseif noquotes and not reserved[k] and lpegmatch(propername,k) then if hexify then @@ -527,7 +528,7 @@ local function do_serialize(root,name,depth,level,indexed) handle(format("%s [%q]=%s,",depth,k,v)) -- %.99g end end - elseif t == "string" then + elseif tv == "string" then if reduce and tonumber(v) then if tk == "number" then if hexify then @@ -536,7 +537,7 @@ local function do_serialize(root,name,depth,level,indexed) handle(format("%s [%s]=%s,",depth,k,v)) end elseif tk == "boolean" then - handle(format("%s [%s]=%s,",depth,tostring(k),v)) + handle(format("%s [%s]=%s,",depth,k and "true" or "false",v)) elseif noquotes and not reserved[k] and lpegmatch(propername,k) then handle(format("%s %s=%s,",depth,k,v)) else @@ -550,14 +551,14 @@ local function do_serialize(root,name,depth,level,indexed) handle(format("%s [%s]=%q,",depth,k,v)) end elseif tk == "boolean" then - handle(format("%s [%s]=%q,",depth,tostring(k),v)) + handle(format("%s [%s]=%q,",depth,k and "true" or "false",v)) elseif noquotes and not reserved[k] and lpegmatch(propername,k) then handle(format("%s %s=%q,",depth,k,v)) else handle(format("%s [%q]=%q,",depth,k,v)) end end - elseif t == "table" then + elseif tv == "table" then if not next(v) then if tk == "number" then if hexify then @@ -566,7 +567,7 @@ local function do_serialize(root,name,depth,level,indexed) handle(format("%s [%s]={},",depth,k)) end elseif tk == "boolean" then - handle(format("%s [%s]={},",depth,tostring(k))) + handle(format("%s [%s]={},",depth,k and "true" or "false")) elseif noquotes and not reserved[k] and lpegmatch(propername,k) then handle(format("%s %s={},",depth,k)) else @@ -582,7 +583,7 @@ local function do_serialize(root,name,depth,level,indexed) handle(format("%s [%s]={ %s },",depth,k,concat(st,", "))) end elseif tk == "boolean" then - handle(format("%s [%s]={ %s },",depth,tostring(k),concat(st,", "))) + handle(format("%s [%s]={ %s },",depth,k and "true" or "false",concat(st,", "))) elseif noquotes and not reserved[k] and lpegmatch(propername,k) then handle(format("%s %s={ %s },",depth,k,concat(st,", "))) else @@ -594,21 +595,21 @@ local function do_serialize(root,name,depth,level,indexed) else do_serialize(v,k,depth,level+1) end - elseif t == "boolean" then + elseif tv == "boolean" then if tk == "number" then if hexify then - handle(format("%s [0x%04X]=%s,",depth,k,tostring(v))) + handle(format("%s [0x%04X]=%s,",depth,k,v and "true" or "false")) else - handle(format("%s [%s]=%s,",depth,k,tostring(v))) + handle(format("%s [%s]=%s,",depth,k,v and "true" or "false")) end elseif tk == "boolean" then - handle(format("%s [%s]=%s,",depth,tostring(k),tostring(v))) + handle(format("%s [%s]=%s,",depth,tostring(k),v and "true" or "false")) elseif noquotes and not reserved[k] and lpegmatch(propername,k) then - handle(format("%s %s=%s,",depth,k,tostring(v))) + handle(format("%s %s=%s,",depth,k,v and "true" or "false")) else - handle(format("%s [%q]=%s,",depth,k,tostring(v))) + handle(format("%s [%q]=%s,",depth,k,v and "true" or "false")) end - elseif t == "function" then + elseif tv == "function" then if functions then local f = getinfo(v).what == "C" and dump(dummy) or dump(v) -- maybe strip -- local f = getinfo(v).what == "C" and dump(function(...) return v(...) end) or dump(v) -- maybe strip @@ -619,7 +620,7 @@ local function do_serialize(root,name,depth,level,indexed) handle(format("%s [%s]=load(%q),",depth,k,f)) end elseif tk == "boolean" then - handle(format("%s [%s]=load(%q),",depth,tostring(k),f)) + handle(format("%s [%s]=load(%q),",depth,k and "true" or "false",f)) elseif noquotes and not reserved[k] and lpegmatch(propername,k) then handle(format("%s %s=load(%q),",depth,k,f)) else @@ -634,7 +635,7 @@ local function do_serialize(root,name,depth,level,indexed) handle(format("%s [%s]=%q,",depth,k,tostring(v))) end elseif tk == "boolean" then - handle(format("%s [%s]=%q,",depth,tostring(k),tostring(v))) + handle(format("%s [%s]=%q,",depth,k and "true" or "false",tostring(v))) elseif noquotes and not reserved[k] and lpegmatch(propername,k) then handle(format("%s %s=%q,",depth,k,tostring(v))) else @@ -716,321 +717,10 @@ local function serialize(_handle,root,name,specification) -- handle wins handle("}") end --- -- This is some 20% faster than using format (because formatters are much faster) but --- -- of course, inlining the format using .. is then again faster .. anyway, as we do --- -- some pretty printing as well there is not that much to gain unless we make a 'fast' --- -- ugly variant as well. But, we would have to move the formatter to l-string then. - --- local formatters = string.formatters - --- local function do_serialize(root,name,level,indexed) --- if level > 0 then --- if indexed then --- handle(formatters["%w{"](level)) --- else --- local tn = type(name) --- if tn == "number" then --- if hexify then --- handle(formatters["%w[%04H]={"](level,name)) --- else --- handle(formatters["%w[%s]={"](level,name)) --- end --- elseif tn == "string" then --- if noquotes and not reserved[name] and lpegmatch(propername,name) then --- handle(formatters["%w%s={"](level,name)) --- else --- handle(formatters["%w[%q]={"](level,name)) --- end --- elseif tn == "boolean" then --- handle(formatters["%w[%S]={"](level,name)) --- else --- handle(formatters["%w{"](level)) --- end --- end --- end --- -- we could check for k (index) being number (cardinal) --- if root and next(root) then --- -- local first, last = nil, 0 -- #root cannot be trusted here (will be ok in 5.2 when ipairs is gone) --- -- if compact then --- -- -- NOT: for k=1,#root do (we need to quit at nil) --- -- for k,v in ipairs(root) do -- can we use next? --- -- if not first then first = k end --- -- last = last + 1 --- -- end --- -- end --- local first, last = nil, 0 --- if compact then --- last = #root --- for k=1,last do --- if root[k] == nil then --- last = k - 1 --- break --- end --- end --- if last > 0 then --- first = 1 --- end --- end --- local sk = sortedkeys(root) --- for i=1,#sk do --- local k = sk[i] --- local v = root[k] --- --~ if v == root then --- -- circular --- --~ else --- local t, tk = type(v), type(k) --- if compact and first and tk == "number" and k >= first and k <= last then --- if t == "number" then --- if hexify then --- handle(formatters["%w %04H,"](level,v)) --- else --- handle(formatters["%w %s,"](level,v)) -- %.99g --- end --- elseif t == "string" then --- if reduce and tonumber(v) then --- handle(formatters["%w %s,"](level,v)) --- else --- handle(formatters["%w %q,"](level,v)) --- end --- elseif t == "table" then --- if not next(v) then --- handle(formatters["%w {},"](level)) --- elseif inline then -- and #t > 0 --- local st = simple_table(v) --- if st then --- handle(formatters["%w { %, t },"](level,st)) --- else --- do_serialize(v,k,level+1,true) --- end --- else --- do_serialize(v,k,level+1,true) --- end --- elseif t == "boolean" then --- handle(formatters["%w %S,"](level,v)) --- elseif t == "function" then --- if functions then --- handle(formatters['%w load(%q),'](level,dump(v))) -- maybe strip --- else --- handle(formatters['%w "function",'](level)) --- end --- else --- handle(formatters["%w %Q,"](level,v)) --- end --- elseif k == "__p__" then -- parent --- if false then --- handle(formatters["%w __p__=nil,"](level)) --- end --- elseif t == "number" then --- if tk == "number" then --- if hexify then --- handle(formatters["%w [%04H]=%04H,"](level,k,v)) --- else --- handle(formatters["%w [%s]=%s,"](level,k,v)) -- %.99g --- end --- elseif tk == "boolean" then --- if hexify then --- handle(formatters["%w [%S]=%04H,"](level,k,v)) --- else --- handle(formatters["%w [%S]=%s,"](level,k,v)) -- %.99g --- end --- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then --- if hexify then --- handle(formatters["%w %s=%04H,"](level,k,v)) --- else --- handle(formatters["%w %s=%s,"](level,k,v)) -- %.99g --- end --- else --- if hexify then --- handle(formatters["%w [%q]=%04H,"](level,k,v)) --- else --- handle(formatters["%w [%q]=%s,"](level,k,v)) -- %.99g --- end --- end --- elseif t == "string" then --- if reduce and tonumber(v) then --- if tk == "number" then --- if hexify then --- handle(formatters["%w [%04H]=%s,"](level,k,v)) --- else --- handle(formatters["%w [%s]=%s,"](level,k,v)) --- end --- elseif tk == "boolean" then --- handle(formatters["%w [%S]=%s,"](level,k,v)) --- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then --- handle(formatters["%w %s=%s,"](level,k,v)) --- else --- handle(formatters["%w [%q]=%s,"](level,k,v)) --- end --- else --- if tk == "number" then --- if hexify then --- handle(formatters["%w [%04H]=%q,"](level,k,v)) --- else --- handle(formatters["%w [%s]=%q,"](level,k,v)) --- end --- elseif tk == "boolean" then --- handle(formatters["%w [%S]=%q,"](level,k,v)) --- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then --- handle(formatters["%w %s=%q,"](level,k,v)) --- else --- handle(formatters["%w [%q]=%q,"](level,k,v)) --- end --- end --- elseif t == "table" then --- if not next(v) then --- if tk == "number" then --- if hexify then --- handle(formatters["%w [%04H]={},"](level,k)) --- else --- handle(formatters["%w [%s]={},"](level,k)) --- end --- elseif tk == "boolean" then --- handle(formatters["%w [%S]={},"](level,k)) --- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then --- handle(formatters["%w %s={},"](level,k)) --- else --- handle(formatters["%w [%q]={},"](level,k)) --- end --- elseif inline then --- local st = simple_table(v) --- if st then --- if tk == "number" then --- if hexify then --- handle(formatters["%w [%04H]={ %, t },"](level,k,st)) --- else --- handle(formatters["%w [%s]={ %, t },"](level,k,st)) --- end --- elseif tk == "boolean" then --- handle(formatters["%w [%S]={ %, t },"](level,k,st)) --- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then --- handle(formatters["%w %s={ %, t },"](level,k,st)) --- else --- handle(formatters["%w [%q]={ %, t },"](level,k,st)) --- end --- else --- do_serialize(v,k,level+1) --- end --- else --- do_serialize(v,k,level+1) --- end --- elseif t == "boolean" then --- if tk == "number" then --- if hexify then --- handle(formatters["%w [%04H]=%S,"](level,k,v)) --- else --- handle(formatters["%w [%s]=%S,"](level,k,v)) --- end --- elseif tk == "boolean" then --- handle(formatters["%w [%S]=%S,"](level,k,v)) --- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then --- handle(formatters["%w %s=%S,"](level,k,v)) --- else --- handle(formatters["%w [%q]=%S,"](level,k,v)) --- end --- elseif t == "function" then --- if functions then --- local f = getinfo(v).what == "C" and dump(dummy) or dump(v) -- maybe strip --- -- local f = getinfo(v).what == "C" and dump(function(...) return v(...) end) or dump(v) -- maybe strip --- if tk == "number" then --- if hexify then --- handle(formatters["%w [%04H]=load(%q),"](level,k,f)) --- else --- handle(formatters["%w [%s]=load(%q),"](level,k,f)) --- end --- elseif tk == "boolean" then --- handle(formatters["%w [%S]=load(%q),"](level,k,f)) --- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then --- handle(formatters["%w %s=load(%q),"](level,k,f)) --- else --- handle(formatters["%w [%q]=load(%q),"](level,k,f)) --- end --- end --- else --- if tk == "number" then --- if hexify then --- handle(formatters["%w [%04H]=%Q,"](level,k,v)) --- else --- handle(formatters["%w [%s]=%Q,"](level,k,v)) --- end --- elseif tk == "boolean" then --- handle(formatters["%w [%S]=%Q,"](level,k,v)) --- elseif noquotes and not reserved[k] and lpegmatch(propername,k) then --- handle(formatters["%w %s=%Q,"](level,k,v)) --- else --- handle(formatters["%w [%q]=%Q,"](level,k,v)) --- end --- end --- --~ end --- end --- end --- if level > 0 then --- handle(formatters["%w}"](level)) --- end --- end - --- local function serialize(_handle,root,name,specification) -- handle wins --- local tname = type(name) --- if type(specification) == "table" then --- noquotes = specification.noquotes --- hexify = specification.hexify --- handle = _handle or specification.handle or print --- reduce = specification.reduce or false --- functions = specification.functions --- compact = specification.compact --- inline = specification.inline and compact --- if functions == nil then --- functions = true --- end --- if compact == nil then --- compact = true --- end --- if inline == nil then --- inline = compact --- end --- else --- noquotes = false --- hexify = false --- handle = _handle or print --- reduce = false --- compact = true --- inline = true --- functions = true --- end --- if tname == "string" then --- if name == "return" then --- handle("return {") --- else --- handle(name .. "={") --- end --- elseif tname == "number" then --- if hexify then --- handle(format("[0x%04X]={",name)) --- else --- handle("[" .. name .. "]={") --- end --- elseif tname == "boolean" then --- if name then --- handle("return {") --- else --- handle("{") --- end --- else --- handle("t={") --- end --- if root then --- -- The dummy access will initialize a table that has a delayed initialization --- -- using a metatable. (maybe explicitly test for metatable) --- if getmetatable(root) then -- todo: make this an option, maybe even per subtable --- local dummy = root._w_h_a_t_e_v_e_r_ --- root._w_h_a_t_e_v_e_r_ = nil --- end --- -- Let's forget about empty tables. --- if next(root) then --- do_serialize(root,name,0) --- end --- end --- handle("}") --- end +-- A version with formatters is some 20% faster than using format (because formatters are +-- much faster) but of course, inlining the format using .. is then again faster .. anyway, +-- as we do some pretty printing as well there is not that much to gain unless we make a +-- 'fast' ugly variant as well. But, we would have to move the formatter to l-string then. -- name: -- |