git.delta.rocks / jrsonnet / refs/commits / 2d3e9127fca2

1{2  local std = self,3  local id = std.id,45  # Those functions aren't normally located in stdlib6  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  isString(v):: std.type(v) == 'string',44  isNumber(v):: std.type(v) == 'number',45  isBoolean(v):: std.type(v) == 'boolean',46  isObject(v):: std.type(v) == 'object',47  isArray(v):: std.type(v) == 'array',48  isFunction(v):: std.type(v) == 'function',4950  toString(a)::51    if std.type(a) == 'string' then a else '' + a,5253  substr:: $intrinsic(substr),5455  startsWith(a, b)::56    if std.length(a) < std.length(b) then57      false58    else59      std.substr(a, 0, std.length(b)) == b,6061  endsWith(a, b)::62    if std.length(a) < std.length(b) then63      false64    else65      std.substr(a, std.length(a) - std.length(b), std.length(b)) == b,6667  lstripChars(str, chars)::68    if std.length(str) > 0 && std.member(chars, str[0]) then69      std.lstripChars(str[1:], chars)70    else71      str,7273  rstripChars(str, chars)::74    local len = std.length(str);75    if len > 0 && std.member(chars, str[len - 1]) then76      std.rstripChars(str[:len - 1], chars)77    else78      str,7980  stripChars(str, chars)::81    std.lstripChars(std.rstripChars(str, chars), chars),8283  stringChars(str)::84    std.makeArray(std.length(str), function(i) str[i]),8586  local parse_nat(str, base) =87    assert base > 0 && base <= 16 : 'integer base %d invalid' % base;88    // These codepoints are in ascending order:89    local zero_code = std.codepoint('0');90    local upper_a_code = std.codepoint('A');91    local lower_a_code = std.codepoint('a');92    local addDigit(aggregate, char) =93      local code = std.codepoint(char);94      local digit = if code >= lower_a_code then95        code - lower_a_code + 1096      else if code >= upper_a_code then97        code - upper_a_code + 1098      else99        code - zero_code;100      assert digit >= 0 && digit < base : '%s is not a base %d integer' % [str, base];101      base * aggregate + digit;102    std.foldl(addDigit, std.stringChars(str), 0),103104  parseInt(str)::105    assert std.isString(str) : 'Expected string, got ' + std.type(str);106    assert std.length(str) > 0 && str != '-' : 'Not an integer: "%s"' % [str];107    if str[0] == '-' then108      -parse_nat(str[1:], 10)109    else110      parse_nat(str, 10),111112  parseOctal(str)::113    assert std.isString(str) : 'Expected string, got ' + std.type(str);114    assert std.length(str) > 0 : 'Not an octal number: ""';115    parse_nat(str, 8),116117  parseHex(str)::118    assert std.isString(str) : 'Expected string, got ' + std.type(str);119    assert std.length(str) > 0 : 'Not hexadecimal: ""';120    parse_nat(str, 16),121122  split(str, c)::123    assert std.isString(str) : 'std.split first parameter should be a string, got ' + std.type(str);124    assert std.isString(c) : 'std.split second parameter should be a string, got ' + std.type(c);125    assert std.length(c) == 1 : 'std.split second parameter should have length 1, got ' + std.length(c);126    std.splitLimit(str, c, -1),127128  splitLimit:: $intrinsic(splitLimit),129130  strReplace:: $intrinsic(strReplace),131132  asciiUpper:: $intrinsic(asciiUpper),133134  asciiLower:: $intrinsic(asciiLower),135136  range:: $intrinsic(range),137138  repeat(what, count)::139    local joiner =140      if std.isString(what) then ''141      else if std.isArray(what) then []142      else error 'std.repeat first argument must be an array or a string';143    std.join(joiner, std.makeArray(count, function(i) what)),144145  slice:: $intrinsic(slice),146147  member:: $intrinsic(member),148149  count:: $intrinsic(count),150151  mod:: $intrinsic(mod),152153  map:: $intrinsic(map),154155  mapWithIndex(func, arr)::156    if !std.isFunction(func) then157      error ('std.mapWithIndex first param must be function, got ' + std.type(func))158    else if !std.isArray(arr) && !std.isString(arr) then159      error ('std.mapWithIndex second param must be array, got ' + std.type(arr))160    else161      std.makeArray(std.length(arr), function(i) func(i, arr[i])),162163  mapWithKey(func, obj)::164    if !std.isFunction(func) then165      error ('std.mapWithKey first param must be function, got ' + std.type(func))166    else if !std.isObject(obj) then167      error ('std.mapWithKey second param must be object, got ' + std.type(obj))168    else169      { [k]: func(k, obj[k]) for k in std.objectFields(obj) },170171  flatMap:: $intrinsic(flatMap),172173  join:: $intrinsic(join),174175  lines(arr)::176    std.join('\n', arr + ['']),177178  deepJoin(arr)::179    if std.isString(arr) then180      arr181    else if std.isArray(arr) then182      std.join('', [std.deepJoin(x) for x in arr])183    else184      error 'Expected string or array, got %s' % std.type(arr),185186187  format:: $intrinsic(format),188189  foldr:: $intrinsic(foldr),190191  foldl:: $intrinsic(foldl),192193  filterMap(filter_func, map_func, arr)::194    if !std.isFunction(filter_func) then195      error ('std.filterMap first param must be function, got ' + std.type(filter_func))196    else if !std.isFunction(map_func) then197      error ('std.filterMap second param must be function, got ' + std.type(map_func))198    else if !std.isArray(arr) then199      error ('std.filterMap third param must be array, got ' + std.type(arr))200    else201      std.map(map_func, std.filter(filter_func, arr)),202203  assertEqual(a, b)::204    if a == b then205      true206    else207      error 'Assertion failed. ' + a + ' != ' + b,208209  abs(n)::210    if !std.isNumber(n) then211      error 'std.abs expected number, got ' + std.type(n)212    else213      if n > 0 then n else -n,214215  sign(n)::216    if !std.isNumber(n) then217      error 'std.sign expected number, got ' + std.type(n)218    else219      if n > 0 then220        1221      else if n < 0 then222        -1223      else 0,224225  max(a, b)::226    if !std.isNumber(a) then227      error 'std.max first param expected number, got ' + std.type(a)228    else if !std.isNumber(b) then229      error 'std.max second param expected number, got ' + std.type(b)230    else231      if a > b then a else b,232233  min(a, b)::234    if !std.isNumber(a) then235      error 'std.min first param expected number, got ' + std.type(a)236    else if !std.isNumber(b) then237      error 'std.min second param expected number, got ' + std.type(b)238    else239      if a < b then a else b,240241  clamp(x, minVal, maxVal)::242    if x < minVal then minVal243    else if x > maxVal then maxVal244    else x,245246  flattenArrays(arrs)::247    std.foldl(function(a, b) a + b, arrs, []),248249  manifestIni(ini)::250    local body_lines(body) =251      std.join([], [252        local value_or_values = body[k];253        if std.isArray(value_or_values) then254          ['%s = %s' % [k, value] for value in value_or_values]255        else256          ['%s = %s' % [k, value_or_values]]257258        for k in std.objectFields(body)259      ]);260261    local section_lines(sname, sbody) = ['[%s]' % [sname]] + body_lines(sbody),262          main_body = if std.objectHas(ini, 'main') then body_lines(ini.main) else [],263          all_sections = [264      section_lines(k, ini.sections[k])265      for k in std.objectFields(ini.sections)266    ];267    std.join('\n', main_body + std.flattenArrays(all_sections) + ['']),268269  manifestToml(value):: std.manifestTomlEx(value, '  '),270271  manifestTomlEx(value, indent)::272    local273      escapeStringToml = std.escapeStringJson,274      escapeKeyToml(key) =275        local bare_allowed = std.set(std.stringChars('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-'));276        if std.setUnion(std.set(std.stringChars(key)), bare_allowed) == bare_allowed then key else escapeStringToml(key),277      isTableArray(v) = std.isArray(v) && std.length(v) > 0 && std.foldl(function(a, b) a && std.isObject(b), v, true),278      isSection(v) = std.isObject(v) || isTableArray(v),279      renderValue(v, indexedPath, inline, cindent) =280        if v == true then281          'true'282        else if v == false then283          'false'284        else if v == null then285          error 'Tried to manifest "null" at ' + indexedPath286        else if std.isNumber(v) then287          '' + v288        else if std.isString(v) then289          escapeStringToml(v)290        else if std.isFunction(v) then291          error 'Tried to manifest function at ' + indexedPath292        else if std.isArray(v) then293          if std.length(v) == 0 then294            '[]'295          else296            local range = std.range(0, std.length(v) - 1);297            local new_indent = if inline then '' else cindent + indent;298            local separator = if inline then ' ' else '\n';299            local lines = ['[' + separator]300                          + std.join([',' + separator],301                                     [302                                       [new_indent + renderValue(v[i], indexedPath + [i], true, '')]303                                       for i in range304                                     ])305                          + [separator + (if inline then '' else cindent) + ']'];306            std.join('', lines)307        else if std.isObject(v) then308          local lines = ['{ ']309                        + std.join([', '],310                                   [311                                     [escapeKeyToml(k) + ' = ' + renderValue(v[k], indexedPath + [k], true, '')]312                                     for k in std.objectFields(v)313                                   ])314                        + [' }'];315          std.join('', lines),316      renderTableInternal(v, path, indexedPath, cindent) =317        local kvp = std.flattenArrays([318          [cindent + escapeKeyToml(k) + ' = ' + renderValue(v[k], indexedPath + [k], false, cindent)]319          for k in std.objectFields(v)320          if !isSection(v[k])321        ]);322        local sections = [std.join('\n', kvp)] + [323          (324            if std.isObject(v[k]) then325              renderTable(v[k], path + [k], indexedPath + [k], cindent)326            else327              renderTableArray(v[k], path + [k], indexedPath + [k], cindent)328          )329          for k in std.objectFields(v)330          if isSection(v[k])331        ];332        std.join('\n\n', sections),333      renderTable(v, path, indexedPath, cindent) =334        cindent + '[' + std.join('.', std.map(escapeKeyToml, path)) + ']'335        + (if v == {} then '' else '\n')336        + renderTableInternal(v, path, indexedPath, cindent + indent),337      renderTableArray(v, path, indexedPath, cindent) =338        local range = std.range(0, std.length(v) - 1);339        local sections = [340          (cindent + '[[' + std.join('.', std.map(escapeKeyToml, path)) + ']]'341           + (if v[i] == {} then '' else '\n')342           + renderTableInternal(v[i], path, indexedPath + [i], cindent + indent))343          for i in range344        ];345        std.join('\n\n', sections);346    if std.isObject(value) then347      renderTableInternal(value, [], [], '')348    else349      error 'TOML body must be an object. Got ' + std.type(value),350351  escapeStringJson:: $intrinsic(escapeStringJson),352353  escapeStringPython(str)::354    std.escapeStringJson(str),355356  escapeStringBash(str_)::357    local str = std.toString(str_);358    local trans(ch) =359      if ch == "'" then360        "'\"'\"'"361      else362        ch;363    "'%s'" % std.join('', [trans(ch) for ch in std.stringChars(str)]),364365  escapeStringDollars(str_)::366    local str = std.toString(str_);367    local trans(ch) =368      if ch == '$' then369        '$$'370      else371        ch;372    std.foldl(function(a, b) a + trans(b), std.stringChars(str), ''),373374  manifestJson(value):: std.manifestJsonEx(value, '    ') tailstrict,375376  manifestJsonEx:: $intrinsic(manifestJsonEx),377378  manifestYamlDoc:: $intrinsic(manifestYamlDoc),379380  manifestYamlStream(value, indent_array_in_object=false, c_document_end=true)::381    if !std.isArray(value) then382      error 'manifestYamlStream only takes arrays, got ' + std.type(value)383    else384      '---\n' + std.join(385        '\n---\n', [std.manifestYamlDoc(e, indent_array_in_object) for e in value]386      ) + if c_document_end then '\n...\n' else '\n',387388389  manifestPython(v)::390    if std.isObject(v) then391      local fields = [392        '%s: %s' % [std.escapeStringPython(k), std.manifestPython(v[k])]393        for k in std.objectFields(v)394      ];395      '{%s}' % [std.join(', ', fields)]396    else if std.isArray(v) then397      '[%s]' % [std.join(', ', [std.manifestPython(v2) for v2 in v])]398    else if std.isString(v) then399      '%s' % [std.escapeStringPython(v)]400    else if std.isFunction(v) then401      error 'cannot manifest function'402    else if std.isNumber(v) then403      std.toString(v)404    else if v == true then405      'True'406    else if v == false then407      'False'408    else if v == null then409      'None',410411  manifestPythonVars(conf)::412    local vars = ['%s = %s' % [k, std.manifestPython(conf[k])] for k in std.objectFields(conf)];413    std.join('\n', vars + ['']),414415  manifestXmlJsonml(value)::416    if !std.isArray(value) then417      error 'Expected a JSONML value (an array), got %s' % std.type(value)418    else419      local aux(v) =420        if std.isString(v) then421          v422        else423          local tag = v[0];424          local has_attrs = std.length(v) > 1 && std.isObject(v[1]);425          local attrs = if has_attrs then v[1] else {};426          local children = if has_attrs then v[2:] else v[1:];427          local attrs_str =428            std.join('', [' %s="%s"' % [k, attrs[k]] for k in std.objectFields(attrs)]);429          std.deepJoin(['<', tag, attrs_str, '>', [aux(x) for x in children], '</', tag, '>']);430431      aux(value),432433  local base64_table = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/',434  local base64_inv = { [base64_table[i]]: i for i in std.range(0, 63) },435436  base64:: $intrinsic(base64),437438  base64DecodeBytes:: $intrinsic(base64DecodeBytes),439440  base64Decode:: $intrinsic(base64Decode),441442  reverse:: $intrinsic(reverse),443444  sort:: $intrinsic(sort),445446  uniq(arr, keyF=id)::447    local f(a, b) =448      if std.length(a) == 0 then449        [b]450      else if keyF(a[std.length(a) - 1]) == keyF(b) then451        a452      else453        a + [b];454    std.foldl(f, arr, []),455456  set(arr, keyF=id)::457    std.uniq(std.sort(arr, keyF), keyF),458459  setMember(x, arr, keyF=id)::460    // TODO(dcunnin): Binary chop for O(log n) complexity461    std.length(std.setInter([x], arr, keyF)) > 0,462463  setUnion(a, b, keyF=id)::464    // NOTE: order matters, values in `a` win465    local aux(a, b, i, j, acc) =466      if i >= std.length(a) then467        acc + b[j:]468      else if j >= std.length(b) then469        acc + a[i:]470      else471        local ak = keyF(a[i]);472        local bk = keyF(b[j]);473        if ak == bk then474          aux(a, b, i + 1, j + 1, acc + [a[i]]) tailstrict475        else if ak < bk then476          aux(a, b, i + 1, j, acc + [a[i]]) tailstrict477        else478          aux(a, b, i, j + 1, acc + [b[j]]) tailstrict;479    aux(a, b, 0, 0, []),480481  setInter(a, b, keyF=id)::482    local aux(a, b, i, j, acc) =483      if i >= std.length(a) || j >= std.length(b) then484        acc485      else486        if keyF(a[i]) == keyF(b[j]) then487          aux(a, b, i + 1, j + 1, acc + [a[i]]) tailstrict488        else if keyF(a[i]) < keyF(b[j]) then489          aux(a, b, i + 1, j, acc) tailstrict490        else491          aux(a, b, i, j + 1, acc) tailstrict;492    aux(a, b, 0, 0, []) tailstrict,493494  setDiff(a, b, keyF=id)::495    local aux(a, b, i, j, acc) =496      if i >= std.length(a) then497        acc498      else if j >= std.length(b) then499        acc + a[i:]500      else501        if keyF(a[i]) == keyF(b[j]) then502          aux(a, b, i + 1, j + 1, acc) tailstrict503        else if keyF(a[i]) < keyF(b[j]) then504          aux(a, b, i + 1, j, acc + [a[i]]) tailstrict505        else506          aux(a, b, i, j + 1, acc) tailstrict;507    aux(a, b, 0, 0, []) tailstrict,508509  mergePatch(target, patch)::510    if std.isObject(patch) then511      local target_object =512        if std.isObject(target) then target else {};513514      local target_fields =515        if std.isObject(target_object) then std.objectFields(target_object) else [];516517      local null_fields = [k for k in std.objectFields(patch) if patch[k] == null];518      local both_fields = std.setUnion(target_fields, std.objectFields(patch));519520      {521        [k]:522          if !std.objectHas(patch, k) then523            target_object[k]524          else if !std.objectHas(target_object, k) then525            std.mergePatch(null, patch[k]) tailstrict526          else527            std.mergePatch(target_object[k], patch[k]) tailstrict528        for k in std.setDiff(both_fields, null_fields)529      }530    else531      patch,532533  objectFields(o)::534    std.objectFieldsEx(o, false),535536  objectFieldsAll(o)::537    std.objectFieldsEx(o, true),538539  objectHas(o, f)::540    std.objectHasEx(o, f, false),541542  objectHasAll(o, f)::543    std.objectHasEx(o, f, true),544545  objectValues(o)::546    [o[k] for k in std.objectFields(o)],547548  objectValuesAll(o)::549    [o[k] for k in std.objectFieldsAll(o)],550551  equals:: $intrinsic(equals),552553  resolvePath(f, r)::554    local arr = std.split(f, '/');555    std.join('/', std.makeArray(std.length(arr) - 1, function(i) arr[i]) + [r]),556557  prune(a)::558    local isContent(b) =559      if b == null then560        false561      else if std.isArray(b) then562        std.length(b) > 0563      else if std.isObject(b) then564        std.length(b) > 0565      else566        true;567    if std.isArray(a) then568      [std.prune(x) for x in a if isContent($.prune(x))]569    else if std.isObject(a) then {570      [x]: $.prune(a[x])571      for x in std.objectFields(a)572      if isContent(std.prune(a[x]))573    } else574      a,575576  findSubstr(pat, str)::577    if !std.isString(pat) then578      error 'findSubstr first parameter should be a string, got ' + std.type(pat)579    else if !std.isString(str) then580      error 'findSubstr second parameter should be a string, got ' + std.type(str)581    else582      local pat_len = std.length(pat);583      local str_len = std.length(str);584      if pat_len == 0 || str_len == 0 || pat_len > str_len then585        []586      else587        std.filter(function(i) str[i:i + pat_len] == pat, std.range(0, str_len - pat_len)),588589  find(value, arr)::590    if !std.isArray(arr) then591      error 'find second parameter should be an array, got ' + std.type(arr)592    else593      std.filter(function(i) arr[i] == value, std.range(0, std.length(arr) - 1)),594}