1{2 local std = self,3 local id = std.id,45 6 length:: $intrinsic(length),7 type:: $intrinsic(type),8 makeArray:: $intrinsic(makeArray),9 codepoint:: $intrinsic(codepoint),10 objectFieldsEx:: $intrinsic(objectFieldsEx),11 objectHasEx:: $intrinsic(objectHasEx),12 primitiveEquals:: $intrinsic(primitiveEquals),13 modulo:: $intrinsic(modulo),14 floor:: $intrinsic(floor),15 ceil:: $intrinsic(ceil),16 extVar:: $intrinsic(extVar),17 native:: $intrinsic(native),18 filter:: $intrinsic(filter),19 char:: $intrinsic(char),20 encodeUTF8:: $intrinsic(encodeUTF8),21 decodeUTF8:: $intrinsic(decodeUTF8),22 md5:: $intrinsic(md5),23 trace:: $intrinsic(trace),24 id:: $intrinsic(id),25 parseJson:: $intrinsic(parseJson),26 parseYaml:: $intrinsic(parseYaml),2728 log:: $intrinsic(log),29 pow:: $intrinsic(pow),30 sqrt:: $intrinsic(sqrt),3132 sin:: $intrinsic(sin),33 cos:: $intrinsic(cos),34 tan:: $intrinsic(tan),35 asin:: $intrinsic(asin),36 acos:: $intrinsic(acos),37 atan:: $intrinsic(atan),3839 exp:: $intrinsic(exp),40 mantissa:: $intrinsic(mantissa),41 exponent:: $intrinsic(exponent),4243 any:: $intrinsic(any),44 all:: $intrinsic(all),4546 isString(v):: std.type(v) == 'string',47 isNumber(v):: std.type(v) == 'number',48 isBoolean(v):: std.type(v) == 'boolean',49 isObject(v):: std.type(v) == 'object',50 isArray(v):: std.type(v) == 'array',51 isFunction(v):: std.type(v) == 'function',5253 toString(a)::54 if std.type(a) == 'string' then a else '' + a,5556 substr:: $intrinsic(substr),5758 startsWith(a, b)::59 if std.length(a) < std.length(b) then60 false61 else62 std.substr(a, 0, std.length(b)) == b,6364 endsWith(a, b)::65 if std.length(a) < std.length(b) then66 false67 else68 std.substr(a, std.length(a) - std.length(b), std.length(b)) == b,6970 lstripChars(str, chars)::71 if std.length(str) > 0 && std.member(chars, str[0]) then72 std.lstripChars(str[1:], chars)73 else74 str,7576 rstripChars(str, chars)::77 local len = std.length(str);78 if len > 0 && std.member(chars, str[len - 1]) then79 std.rstripChars(str[:len - 1], chars)80 else81 str,8283 stripChars(str, chars)::84 std.lstripChars(std.rstripChars(str, chars), chars),8586 stringChars(str)::87 std.makeArray(std.length(str), function(i) str[i]),8889 local parse_nat(str, base) =90 assert base > 0 && base <= 16 : 'integer base %d invalid' % base;91 92 local zero_code = std.codepoint('0');93 local upper_a_code = std.codepoint('A');94 local lower_a_code = std.codepoint('a');95 local addDigit(aggregate, char) =96 local code = std.codepoint(char);97 local digit = if code >= lower_a_code then98 code - lower_a_code + 1099 else if code >= upper_a_code then100 code - upper_a_code + 10101 else102 code - zero_code;103 assert digit >= 0 && digit < base : '%s is not a base %d integer' % [str, base];104 base * aggregate + digit;105 std.foldl(addDigit, std.stringChars(str), 0),106107 parseInt(str)::108 assert std.isString(str) : 'Expected string, got ' + std.type(str);109 assert std.length(str) > 0 && str != '-' : 'Not an integer: "%s"' % [str];110 if str[0] == '-' then111 -parse_nat(str[1:], 10)112 else113 parse_nat(str, 10),114115 parseOctal(str)::116 assert std.isString(str) : 'Expected string, got ' + std.type(str);117 assert std.length(str) > 0 : 'Not an octal number: ""';118 parse_nat(str, 8),119120 parseHex(str)::121 assert std.isString(str) : 'Expected string, got ' + std.type(str);122 assert std.length(str) > 0 : 'Not hexadecimal: ""';123 parse_nat(str, 16),124125 split(str, c):: std.splitLimit(str, c, -1),126127 splitLimit:: $intrinsic(splitLimit),128129 strReplace:: $intrinsic(strReplace),130131 asciiUpper:: $intrinsic(asciiUpper),132133 asciiLower:: $intrinsic(asciiLower),134135 range:: $intrinsic(range),136137 repeat(what, count)::138 local joiner =139 if std.isString(what) then ''140 else if std.isArray(what) then []141 else error 'std.repeat first argument must be an array or a string';142 std.join(joiner, std.makeArray(count, function(i) what)),143144 slice:: $intrinsic(slice),145146 member:: $intrinsic(member),147148 count:: $intrinsic(count),149150 mod:: $intrinsic(mod),151152 map:: $intrinsic(map),153154 mapWithIndex(func, arr)::155 if !std.isFunction(func) then156 error ('std.mapWithIndex first param must be function, got ' + std.type(func))157 else if !std.isArray(arr) && !std.isString(arr) then158 error ('std.mapWithIndex second param must be array, got ' + std.type(arr))159 else160 std.makeArray(std.length(arr), function(i) func(i, arr[i])),161162 mapWithKey(func, obj)::163 if !std.isFunction(func) then164 error ('std.mapWithKey first param must be function, got ' + std.type(func))165 else if !std.isObject(obj) then166 error ('std.mapWithKey second param must be object, got ' + std.type(obj))167 else168 { [k]: func(k, obj[k]) for k in std.objectFields(obj) },169170 flatMap:: $intrinsic(flatMap),171172 join:: $intrinsic(join),173174 lines(arr)::175 std.join('\n', arr + ['']),176177 deepJoin(arr)::178 if std.isString(arr) then179 arr180 else if std.isArray(arr) then181 std.join('', [std.deepJoin(x) for x in arr])182 else183 error 'Expected string or array, got %s' % std.type(arr),184185186 format:: $intrinsic(format),187188 foldr:: $intrinsic(foldr),189190 foldl:: $intrinsic(foldl),191192 filterMap(filter_func, map_func, arr)::193 if !std.isFunction(filter_func) then194 error ('std.filterMap first param must be function, got ' + std.type(filter_func))195 else if !std.isFunction(map_func) then196 error ('std.filterMap second param must be function, got ' + std.type(map_func))197 else if !std.isArray(arr) then198 error ('std.filterMap third param must be array, got ' + std.type(arr))199 else200 std.map(map_func, std.filter(filter_func, arr)),201202 assertEqual(a, b)::203 if a == b then204 true205 else206 error 'Assertion failed. ' + a + ' != ' + b,207208 abs(n)::209 if !std.isNumber(n) then210 error 'std.abs expected number, got ' + std.type(n)211 else212 if n > 0 then n else -n,213214 sign(n)::215 if !std.isNumber(n) then216 error 'std.sign expected number, got ' + std.type(n)217 else218 if n > 0 then219 1220 else if n < 0 then221 -1222 else 0,223224 max(a, b)::225 if !std.isNumber(a) then226 error 'std.max first param expected number, got ' + std.type(a)227 else if !std.isNumber(b) then228 error 'std.max second param expected number, got ' + std.type(b)229 else230 if a > b then a else b,231232 min(a, b)::233 if !std.isNumber(a) then234 error 'std.min first param expected number, got ' + std.type(a)235 else if !std.isNumber(b) then236 error 'std.min second param expected number, got ' + std.type(b)237 else238 if a < b then a else b,239240 clamp(x, minVal, maxVal)::241 if x < minVal then minVal242 else if x > maxVal then maxVal243 else x,244245 flattenArrays(arrs)::246 std.foldl(function(a, b) a + b, arrs, []),247248 manifestIni(ini)::249 local body_lines(body) =250 std.join([], [251 local value_or_values = body[k];252 if std.isArray(value_or_values) then253 ['%s = %s' % [k, value] for value in value_or_values]254 else255 ['%s = %s' % [k, value_or_values]]256257 for k in std.objectFields(body)258 ]);259260 local section_lines(sname, sbody) = ['[%s]' % [sname]] + body_lines(sbody),261 main_body = if std.objectHas(ini, 'main') then body_lines(ini.main) else [],262 all_sections = [263 section_lines(k, ini.sections[k])264 for k in std.objectFields(ini.sections)265 ];266 std.join('\n', main_body + std.flattenArrays(all_sections) + ['']),267268 manifestToml(value):: std.manifestTomlEx(value, ' '),269270 manifestTomlEx(value, indent)::271 local272 escapeStringToml = std.escapeStringJson,273 escapeKeyToml(key) =274 local bare_allowed = std.set(std.stringChars('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-'));275 if std.setUnion(std.set(std.stringChars(key)), bare_allowed) == bare_allowed then key else escapeStringToml(key),276 isTableArray(v) = std.isArray(v) && std.length(v) > 0 && std.foldl(function(a, b) a && std.isObject(b), v, true),277 isSection(v) = std.isObject(v) || isTableArray(v),278 renderValue(v, indexedPath, inline, cindent) =279 if v == true then280 'true'281 else if v == false then282 'false'283 else if v == null then284 error 'Tried to manifest "null" at ' + indexedPath285 else if std.isNumber(v) then286 '' + v287 else if std.isString(v) then288 escapeStringToml(v)289 else if std.isFunction(v) then290 error 'Tried to manifest function at ' + indexedPath291 else if std.isArray(v) then292 if std.length(v) == 0 then293 '[]'294 else295 local range = std.range(0, std.length(v) - 1);296 local new_indent = if inline then '' else cindent + indent;297 local separator = if inline then ' ' else '\n';298 local lines = ['[' + separator]299 + std.join([',' + separator],300 [301 [new_indent + renderValue(v[i], indexedPath + [i], true, '')]302 for i in range303 ])304 + [separator + (if inline then '' else cindent) + ']'];305 std.join('', lines)306 else if std.isObject(v) then307 local lines = ['{ ']308 + std.join([', '],309 [310 [escapeKeyToml(k) + ' = ' + renderValue(v[k], indexedPath + [k], true, '')]311 for k in std.objectFields(v)312 ])313 + [' }'];314 std.join('', lines),315 renderTableInternal(v, path, indexedPath, cindent) =316 local kvp = std.flattenArrays([317 [cindent + escapeKeyToml(k) + ' = ' + renderValue(v[k], indexedPath + [k], false, cindent)]318 for k in std.objectFields(v)319 if !isSection(v[k])320 ]);321 local sections = [std.join('\n', kvp)] + [322 (323 if std.isObject(v[k]) then324 renderTable(v[k], path + [k], indexedPath + [k], cindent)325 else326 renderTableArray(v[k], path + [k], indexedPath + [k], cindent)327 )328 for k in std.objectFields(v)329 if isSection(v[k])330 ];331 std.join('\n\n', sections),332 renderTable(v, path, indexedPath, cindent) =333 cindent + '[' + std.join('.', std.map(escapeKeyToml, path)) + ']'334 + (if v == {} then '' else '\n')335 + renderTableInternal(v, path, indexedPath, cindent + indent),336 renderTableArray(v, path, indexedPath, cindent) =337 local range = std.range(0, std.length(v) - 1);338 local sections = [339 (cindent + '[[' + std.join('.', std.map(escapeKeyToml, path)) + ']]'340 + (if v[i] == {} then '' else '\n')341 + renderTableInternal(v[i], path, indexedPath + [i], cindent + indent))342 for i in range343 ];344 std.join('\n\n', sections);345 if std.isObject(value) then346 renderTableInternal(value, [], [], '')347 else348 error 'TOML body must be an object. Got ' + std.type(value),349350 escapeStringJson:: $intrinsic(escapeStringJson),351352 escapeStringPython(str)::353 std.escapeStringJson(str),354355 escapeStringBash(str_)::356 local str = std.toString(str_);357 local trans(ch) =358 if ch == "'" then359 "'\"'\"'"360 else361 ch;362 "'%s'" % std.join('', [trans(ch) for ch in std.stringChars(str)]),363364 escapeStringDollars(str_)::365 local str = std.toString(str_);366 local trans(ch) =367 if ch == '$' then368 '$$'369 else370 ch;371 std.foldl(function(a, b) a + trans(b), std.stringChars(str), ''),372373 manifestJson(value):: std.manifestJsonEx(value, ' ') tailstrict,374375 manifestJsonMinified(value):: std.manifestJsonEx(value, '', '', ':'),376377 manifestJsonEx:: $intrinsic(manifestJsonEx),378379 manifestYamlDoc:: $intrinsic(manifestYamlDoc),380381 manifestYamlStream(value, indent_array_in_object=false, c_document_end=true)::382 if !std.isArray(value) then383 error 'manifestYamlStream only takes arrays, got ' + std.type(value)384 else385 '---\n' + std.join(386 '\n---\n', [std.manifestYamlDoc(e, indent_array_in_object) for e in value]387 ) + if c_document_end then '\n...\n' else '\n',388389390 manifestPython(v)::391 if std.isObject(v) then392 local fields = [393 '%s: %s' % [std.escapeStringPython(k), std.manifestPython(v[k])]394 for k in std.objectFields(v)395 ];396 '{%s}' % [std.join(', ', fields)]397 else if std.isArray(v) then398 '[%s]' % [std.join(', ', [std.manifestPython(v2) for v2 in v])]399 else if std.isString(v) then400 '%s' % [std.escapeStringPython(v)]401 else if std.isFunction(v) then402 error 'cannot manifest function'403 else if std.isNumber(v) then404 std.toString(v)405 else if v == true then406 'True'407 else if v == false then408 'False'409 else if v == null then410 'None',411412 manifestPythonVars(conf)::413 local vars = ['%s = %s' % [k, std.manifestPython(conf[k])] for k in std.objectFields(conf)];414 std.join('\n', vars + ['']),415416 manifestXmlJsonml(value)::417 if !std.isArray(value) then418 error 'Expected a JSONML value (an array), got %s' % std.type(value)419 else420 local aux(v) =421 if std.isString(v) then422 v423 else424 local tag = v[0];425 local has_attrs = std.length(v) > 1 && std.isObject(v[1]);426 local attrs = if has_attrs then v[1] else {};427 local children = if has_attrs then v[2:] else v[1:];428 local attrs_str =429 std.join('', [' %s="%s"' % [k, attrs[k]] for k in std.objectFields(attrs)]);430 std.deepJoin(['<', tag, attrs_str, '>', [aux(x) for x in children], '</', tag, '>']);431432 aux(value),433434 local base64_table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/',435 local base64_inv = { [base64_table[i]]: i for i in std.range(0, 63) },436437 base64:: $intrinsic(base64),438439 base64DecodeBytes:: $intrinsic(base64DecodeBytes),440441 base64Decode:: $intrinsic(base64Decode),442443 reverse:: $intrinsic(reverse),444445 sort:: $intrinsic(sort),446447 uniq(arr, keyF=id)::448 local f(a, b) =449 if std.length(a) == 0 then450 [b]451 else if keyF(a[std.length(a) - 1]) == keyF(b) then452 a453 else454 a + [b];455 std.foldl(f, arr, []),456457 set(arr, keyF=id)::458 std.uniq(std.sort(arr, keyF), keyF),459460 setMember(x, arr, keyF=id)::461 462 std.length(std.setInter([x], arr, keyF)) > 0,463464 setUnion(a, b, keyF=id)::465 466 local aux(a, b, i, j, acc) =467 if i >= std.length(a) then468 acc + b[j:]469 else if j >= std.length(b) then470 acc + a[i:]471 else472 local ak = keyF(a[i]);473 local bk = keyF(b[j]);474 if ak == bk then475 aux(a, b, i + 1, j + 1, acc + [a[i]]) tailstrict476 else if ak < bk then477 aux(a, b, i + 1, j, acc + [a[i]]) tailstrict478 else479 aux(a, b, i, j + 1, acc + [b[j]]) tailstrict;480 aux(a, b, 0, 0, []),481482 setInter(a, b, keyF=id)::483 local aux(a, b, i, j, acc) =484 if i >= std.length(a) || j >= std.length(b) then485 acc486 else487 if keyF(a[i]) == keyF(b[j]) then488 aux(a, b, i + 1, j + 1, acc + [a[i]]) tailstrict489 else if keyF(a[i]) < keyF(b[j]) then490 aux(a, b, i + 1, j, acc) tailstrict491 else492 aux(a, b, i, j + 1, acc) tailstrict;493 aux(a, b, 0, 0, []) tailstrict,494495 setDiff(a, b, keyF=id)::496 local aux(a, b, i, j, acc) =497 if i >= std.length(a) then498 acc499 else if j >= std.length(b) then500 acc + a[i:]501 else502 if keyF(a[i]) == keyF(b[j]) then503 aux(a, b, i + 1, j + 1, acc) tailstrict504 else if keyF(a[i]) < keyF(b[j]) then505 aux(a, b, i + 1, j, acc + [a[i]]) tailstrict506 else507 aux(a, b, i, j + 1, acc) tailstrict;508 aux(a, b, 0, 0, []) tailstrict,509510 mergePatch(target, patch)::511 if std.isObject(patch) then512 local target_object =513 if std.isObject(target) then target else {};514515 local target_fields =516 if std.isObject(target_object) then std.objectFields(target_object) else [];517518 local null_fields = [k for k in std.objectFields(patch) if patch[k] == null];519 local both_fields = std.setUnion(target_fields, std.objectFields(patch));520521 {522 [k]:523 if !std.objectHas(patch, k) then524 target_object[k]525 else if !std.objectHas(target_object, k) then526 std.mergePatch(null, patch[k]) tailstrict527 else528 std.mergePatch(target_object[k], patch[k]) tailstrict529 for k in std.setDiff(both_fields, null_fields)530 }531 else532 patch,533534 get(o, f, default = null, inc_hidden = true)::535 if std.objectHasEx(o, f, inc_hidden) then o[f] else default,536537 objectFields(o)::538 std.objectFieldsEx(o, false),539540 objectFieldsAll(o)::541 std.objectFieldsEx(o, true),542543 objectHas(o, f)::544 std.objectHasEx(o, f, false),545546 objectHasAll(o, f)::547 std.objectHasEx(o, f, true),548549 objectValues(o)::550 [o[k] for k in std.objectFields(o)],551552 objectValuesAll(o)::553 [o[k] for k in std.objectFieldsAll(o)],554555 equals:: $intrinsic(equals),556557 resolvePath(f, r)::558 local arr = std.split(f, '/');559 std.join('/', std.makeArray(std.length(arr) - 1, function(i) arr[i]) + [r]),560561 prune(a)::562 local isContent(b) =563 if b == null then564 false565 else if std.isArray(b) then566 std.length(b) > 0567 else if std.isObject(b) then568 std.length(b) > 0569 else570 true;571 if std.isArray(a) then572 [std.prune(x) for x in a if isContent($.prune(x))]573 else if std.isObject(a) then {574 [x]: $.prune(a[x])575 for x in std.objectFields(a)576 if isContent(std.prune(a[x]))577 } else578 a,579580 findSubstr(pat, str)::581 if !std.isString(pat) then582 error 'findSubstr first parameter should be a string, got ' + std.type(pat)583 else if !std.isString(str) then584 error 'findSubstr second parameter should be a string, got ' + std.type(str)585 else586 local pat_len = std.length(pat);587 local str_len = std.length(str);588 if pat_len == 0 || str_len == 0 || pat_len > str_len then589 []590 else591 std.filter(function(i) str[i:i + pat_len] == pat, std.range(0, str_len - pat_len)),592593 find(value, arr)::594 if !std.isArray(arr) then595 error 'find second parameter should be an array, got ' + std.type(arr)596 else597 std.filter(function(i) arr[i] == value, std.range(0, std.length(arr) - 1)),598}