diff options
Diffstat (limited to 'scripts/context/lua/mtxrun.lua')
| -rw-r--r-- | scripts/context/lua/mtxrun.lua | 163 |
1 files changed, 124 insertions, 39 deletions
diff --git a/scripts/context/lua/mtxrun.lua b/scripts/context/lua/mtxrun.lua index a299e3a2b..829c3f11d 100644 --- a/scripts/context/lua/mtxrun.lua +++ b/scripts/context/lua/mtxrun.lua @@ -169,6 +169,14 @@ string.unquote = string.unquoted string.itself = function(s) return s end +-- also handy (see utf variant) + +local pattern = Ct(C(1)^0) + +function string.totable(str) + return lpegmatch(pattern,str) +end + end -- of closure @@ -4132,7 +4140,7 @@ if not modules then modules = { } end modules ['l-unicode'] = { local concat = table.concat local type = type -local P, C, R, Cs = lpeg.P, lpeg.C, lpeg.R, lpeg.Cs +local P, C, R, Cs, Ct = lpeg.P, lpeg.C, lpeg.R, lpeg.Cs, lpeg.Ct local lpegmatch, patterns = lpeg.match, lpeg.patterns local utftype = patterns.utftype local char, byte, find, bytepairs, utfvalues, format = string.char, string.byte, string.find, string.bytepairs, string.utfvalues, string.format @@ -4573,6 +4581,14 @@ function unicode.xstring(s) return format("0x%05X",type(s) == "number" and s or utfbyte(s)) end +-- + +local pattern = Ct(C(patterns.utf8char)^0) + +function utf.totable(str) + return lpegmatch(pattern,str) +end + end -- of closure @@ -4788,14 +4804,6 @@ function tables.encapsulate(core,capsule,protect) end end -local escaped = Cs ( ( - P('\\' ) + - P('"' )/'\\"' + - P('\n')/'\\n' + - P('\r')/'\\r' + - 1 -)^0 ) - local function serialize(t,r,outer) -- no mixes r[#r+1] = "{" local n = #t @@ -4837,7 +4845,19 @@ local function serialize(t,r,outer) -- no mixes end function table.fastserialize(t,prefix) - return concat(serialize(t,{ prefix },true)) + return concat(serialize(t,{ prefix or "return" },true)) +end + +function table.deserialize(str) + local code = loadstring(str) + if not code then + return + end + code = code() + if not code then + return + end + return code end -- inspect(table.fastserialize { a = 1, b = { 4, { 5, 6 } }, c = { d = 7, e = 'f"g\nh' } }) @@ -4857,6 +4877,45 @@ function table.load(filename) end end +local function slowdrop(t) + local r = { } + local l = { } + for i=1,#t do + local ti = t[i] + local j = 0 + for k, v in next, ti do + j = j + 1 + l[j] = format("%s=%q",k,v) + end + r[i] = format(" {%s},\n",concat(l)) + end + return format("return {\n%s}",concat(r)) +end + +local function fastdrop(t) + local r = { "return {\n" } + for i=1,#t do + local ti = t[i] + r[#r+1] = " {" + for k, v in next, ti do + r[#r+1] = format("%s=%q",k,v) + end + r[#r+1] = "},\n" + end + r[#r+1] = "}" + return concat(r) +end + +function table.drop(t,slow) + if #t == 0 then + return "return { }" + elseif slow == true then + return slowdrop(t) -- less memory + else + return fastdrop(t) -- some 15% faster + end +end + end -- of closure @@ -9944,12 +10003,12 @@ xml.selection = selection -- new method, simple handle -- generic function finalizer (independant namespace) -local function dofunction(collected,fnc) +local function dofunction(collected,fnc,...) if collected then local f = functions[fnc] if f then for c=1,#collected do - f(collected[c]) + f(collected[c],...) end else report_lpath("unknown function '%s'",fnc) @@ -15763,7 +15822,10 @@ if not modules then modules = { } end modules ['data-lua'] = { -- on the developments (the loaders must not trigger kpse); we could -- of course use a more extensive lib path spec -local trace_locating = false trackers.register("resolvers.locating", function(v) trace_locating = v end) +local trace_libraries = false + +trackers.register("resolvers.libraries", function(v) trace_libraries = v end) +trackers.register("resolvers.locating", function(v) trace_libraries = v end) local report_libraries = logs.reporter("resolvers","libraries") @@ -15772,7 +15834,8 @@ local unpack = unpack or table.unpack local resolvers, package = resolvers, package -local libformats = { 'luatexlibs', 'tex', 'texmfscripts', 'othertextfiles' } -- 'luainputs' +-- local libformats = { 'luatexlibs', 'tex', 'texmfscripts', 'othertextfiles' } +local libformats = { 'lua', 'tex' } local clibformats = { 'lib' } local _path_, libpaths, _cpath_, clibpaths @@ -15796,7 +15859,7 @@ end local function thepath(...) local t = { ... } t[#t+1] = "?.lua" local path = file.join(unpack(t)) - if trace_locating then + if trace_libraries then report_libraries("! appending '%s' to 'package.path'",path) end return path @@ -15818,11 +15881,11 @@ local function loaded(libpaths,name,simple) for i=1,#libpaths do -- package.path, might become option local libpath = libpaths[i] local resolved = gsub(libpath,"%?",simple) - if trace_locating then -- more detail + if trace_libraries then -- more detail report_libraries("! checking for '%s' on 'package.path': '%s' => '%s'",simple,libpath,resolved) end if file.is_readable(resolved) then - if trace_locating then + if trace_libraries then report_libraries("! lib '%s' located via 'package.path': '%s'",name,resolved) end return loadfile(resolved) @@ -15833,22 +15896,22 @@ end package.loaders[2] = function(name) -- was [#package.loaders+1] if file.suffix(name) == "" then name = file.addsuffix(name,"lua") -- maybe a list - if trace_locating then -- mode detail + if trace_libraries then -- mode detail report_libraries("! locating '%s' with forced suffix",name) end else - if trace_locating then -- mode detail + if trace_libraries then -- mode detail report_libraries("! locating '%s'",name) end end for i=1,#libformats do local format = libformats[i] local resolved = resolvers.findfile(name,format) or "" - if trace_locating then -- mode detail + if trace_libraries then -- mode detail report_libraries("! checking for '%s' using 'libformat path': '%s'",name,format) end if resolved ~= "" then - if trace_locating then + if trace_libraries then report_libraries("! lib '%s' located via environment: '%s'",name,resolved) end return loadfile(resolved) @@ -15871,11 +15934,11 @@ package.loaders[2] = function(name) -- was [#package.loaders+1] for p=1,#paths do local path = paths[p] local resolved = file.join(path,libname) - if trace_locating then -- mode detail + if trace_libraries then -- mode detail report_libraries("! checking for '%s' using 'clibformat path': '%s'",libname,path) end if file.is_readable(resolved) then - if trace_locating then + if trace_libraries then report_libraries("! lib '%s' located via 'clibformat': '%s'",libname,resolved) end return package.loadlib(resolved,name) @@ -15885,11 +15948,11 @@ package.loaders[2] = function(name) -- was [#package.loaders+1] for i=1,#clibpaths do -- package.path, might become option local libpath = clibpaths[i] local resolved = gsub(libpath,"?",simple) - if trace_locating then -- more detail + if trace_libraries then -- more detail report_libraries("! checking for '%s' on 'package.cpath': '%s'",simple,libpath) end if file.is_readable(resolved) then - if trace_locating then + if trace_libraries then report_libraries("! lib '%s' located via 'package.cpath': '%s'",name,resolved) end return package.loadlib(resolved,name) @@ -15901,12 +15964,12 @@ package.loaders[2] = function(name) -- was [#package.loaders+1] end local resolved = resolvers.findfile(file.basename(name),'luatexlibs') or "" if resolved ~= "" then - if trace_locating then + if trace_libraries then report_libraries("! lib '%s' located by basename via environment: '%s'",name,resolved) end return loadfile(resolved) end - if trace_locating then + if trace_libraries then report_libraries('? unable to locate lib: %s',name) end -- return "unable to locate " .. name @@ -15925,6 +15988,7 @@ package.obsolete.append_libpath = appendtolibpath -- will become obsolete package.obsolete.prepend_libpath = prependtolibpath -- will become obsolete + end -- of closure do -- create closure to overcome 200 locals limit @@ -16446,6 +16510,8 @@ local report_template = logs.reporter("template") local format = string.format local P, C, Cs, Carg, lpegmatch = lpeg.P, lpeg.C, lpeg.Cs, lpeg.Carg, lpeg.match +-- todo: make installable template.new + local replacer local function replacekey(k,t) @@ -16459,40 +16525,59 @@ local function replacekey(k,t) if trace_template then report_template("setting key %q to value %q",k,v) end - -- return v return lpegmatch(replacer,v,1,t) -- recursive end end ------ leftmarker = P("<!-- ") / "" ------ rightmarker = P(" --!>") / "" +local sqlescape = lpeg.replacer { + { "'", "''" }, + { "\\", "\\\\" }, + { "\r\n", "\\n" }, + { "\r", "\\n" }, + -- { "\t", "\\t" }, +} + +local escapers = { + lua = function(s) + return format("%q",s) + end, + sql = function(s) + return lpegmatch(sqlescape,s) + end, +} + +local function replacekeyunquoted(s,t,how) -- ".. \" " + local escaper = how and escapers[how] or escapers.lua + return escaper(replacekey(s,t)) +end local single = P("%") -- test %test% test : resolves test local double = P("%%") -- test 10%% test : %% becomes % local lquoted = P("%[") -- test %[test]" test : resolves test with escaped "'s local rquoted = P("]%") -- -local escape = double / "%%" -local nosingle = single / "" -local nodouble = double / "" -local nolquoted = lquoted / "" -local norquoted = rquoted / "" +local escape = double / '%%' +local nosingle = single / '' +local nodouble = double / '' +local nolquoted = lquoted / '' +local norquoted = rquoted / '' local key = nosingle * (C((1-nosingle)^1 * Carg(1))/replacekey) * nosingle -local unquoted = nolquoted * ((C((1 - norquoted)^1) * Carg(1))/function(s,t) return format("%q",replacekey(s,t)) end) * norquoted +local unquoted = nolquoted * ((C((1 - norquoted)^1) * Carg(1) * Carg(2))/replacekeyunquoted) * norquoted local any = P(1) replacer = Cs((unquoted + escape + key + any)^0) -local function replace(str,mapping) +local function replace(str,mapping,how) if mapping then - return lpegmatch(replacer,str,1,mapping) or str + return lpegmatch(replacer,str,1,mapping,how or "lua") or str else return str end end --- print(replace("test %[x]% test",{ x = [[a "x" a]] })) +-- print(replace("test '%[x]%' test",{ x = [[a 'x' a]] })) +-- print(replace("test '%[x]%' test",{ x = [[a 'x' a]] },'sql')) templates.replace = replace |