Workflowy selector parser

A parser for a DSL used to select specific items in a Workflowy hierarchy.

Este script não deve ser instalado diretamente. É uma biblioteca destinada a ser incluída por outros scripts através da diretiva de metadados // @require https://update.greasyfork.org/scripts/22247/141751/Workflowy%20selector%20parser.js

Terá de instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

Terá de instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Terá de instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Terá de instalar uma extensão como Tampermonkey para instalar este script.

Terá de instalar uma extensão de gestão de scripts de utilizador para instalar este script.

(Já tenho um gestor de scripts de utilizador, deixe-me instalá-lo!)

Terá de instalar uma extensão como Stylus para instalar este estilo.

Terá de instalar uma extensão como Stylus para instalar este estilo.

Terá de instalar uma extensão como Stylus para instalar este estilo.

Terá de instalar uma extensão de gestão de estilos de utilizador para instalar este estilo.

Terá de instalar uma extensão de gestão de estilos de utilizador para instalar este estilo.

Terá de instalar uma extensão de gestão de estilos de utilizador para instalar este estilo.

(Já tenho um gestor de estilos de utilizador, deixe-me instalá-lo!)

window.Parser = (function() {
  "use strict";

  /*
   * Generated by PEG.js 0.9.0.
   *
   * http://pegjs.org/
   */

  function peg$subclass(child, parent) {
    function ctor() { this.constructor = child; }
    ctor.prototype = parent.prototype;
    child.prototype = new ctor();
  }

  function peg$SyntaxError(message, expected, found, location) {
    this.message  = message;
    this.expected = expected;
    this.found    = found;
    this.location = location;
    this.name     = "SyntaxError";

    if (typeof Error.captureStackTrace === "function") {
      Error.captureStackTrace(this, peg$SyntaxError);
    }
  }

  peg$subclass(peg$SyntaxError, Error);

  function peg$parse(input) {
    var options = arguments.length > 1 ? arguments[1] : {},
        parser  = this,

        peg$FAILED = {},

        peg$startRuleFunctions = { expr: peg$parseexpr },
        peg$startRuleFunction  = peg$parseexpr,

        peg$c0 = function(s, ch) {
            return [[null, s]].concat(ch.map(s => [s[0], s[2]]))
          },
        peg$c1 = "#",
        peg$c2 = { type: "literal", value: "#", description: "\"#\"" },
        peg$c3 = /^[a-z0-9\-]/i,
        peg$c4 = { type: "class", value: "[a-z0-9-]i", description: "[a-z0-9-]i" },
        peg$c5 = function(id) { return {type: 'id', val: id[1].join('')} },
        peg$c6 = "/",
        peg$c7 = { type: "literal", value: "/", description: "\"/\"" },
        peg$c8 = /^[^\/]/,
        peg$c9 = { type: "class", value: "[^/]", description: "[^/]" },
        peg$c10 = function(re) { return {type: 'regex', val: new RegExp(re[1].join(''))} },
        peg$c11 = "'",
        peg$c12 = { type: "literal", value: "'", description: "\"'\"" },
        peg$c13 = /^[^']/i,
        peg$c14 = { type: "class", value: "[^']i", description: "[^']i" },
        peg$c15 = function(name) { return {type: 'name', val: name[1].join('')} },
        peg$c16 = "*",
        peg$c17 = { type: "literal", value: "*", description: "\"*\"" },
        peg$c18 = function(any) { return {type: 'any'} },
        peg$c19 = ">",
        peg$c20 = { type: "literal", value: ">", description: "\">\"" },
        peg$c21 = function() { return 'directchild' },
        peg$c22 = " ",
        peg$c23 = { type: "literal", value: " ", description: "\" \"" },

        peg$currPos          = 0,
        peg$savedPos         = 0,
        peg$posDetailsCache  = [{ line: 1, column: 1, seenCR: false }],
        peg$maxFailPos       = 0,
        peg$maxFailExpected  = [],
        peg$silentFails      = 0,

        peg$result;

    if ("startRule" in options) {
      if (!(options.startRule in peg$startRuleFunctions)) {
        throw new Error("Can't start parsing from rule \"" + options.startRule + "\".");
      }

      peg$startRuleFunction = peg$startRuleFunctions[options.startRule];
    }

    function text() {
      return input.substring(peg$savedPos, peg$currPos);
    }

    function location() {
      return peg$computeLocation(peg$savedPos, peg$currPos);
    }

    function expected(description) {
      throw peg$buildException(
        null,
        [{ type: "other", description: description }],
        input.substring(peg$savedPos, peg$currPos),
        peg$computeLocation(peg$savedPos, peg$currPos)
      );
    }

    function error(message) {
      throw peg$buildException(
        message,
        null,
        input.substring(peg$savedPos, peg$currPos),
        peg$computeLocation(peg$savedPos, peg$currPos)
      );
    }

    function peg$computePosDetails(pos) {
      var details = peg$posDetailsCache[pos],
          p, ch;

      if (details) {
        return details;
      } else {
        p = pos - 1;
        while (!peg$posDetailsCache[p]) {
          p--;
        }

        details = peg$posDetailsCache[p];
        details = {
          line:   details.line,
          column: details.column,
          seenCR: details.seenCR
        };

        while (p < pos) {
          ch = input.charAt(p);
          if (ch === "\n") {
            if (!details.seenCR) { details.line++; }
            details.column = 1;
            details.seenCR = false;
          } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
            details.line++;
            details.column = 1;
            details.seenCR = true;
          } else {
            details.column++;
            details.seenCR = false;
          }

          p++;
        }

        peg$posDetailsCache[pos] = details;
        return details;
      }
    }

    function peg$computeLocation(startPos, endPos) {
      var startPosDetails = peg$computePosDetails(startPos),
          endPosDetails   = peg$computePosDetails(endPos);

      return {
        start: {
          offset: startPos,
          line:   startPosDetails.line,
          column: startPosDetails.column
        },
        end: {
          offset: endPos,
          line:   endPosDetails.line,
          column: endPosDetails.column
        }
      };
    }

    function peg$fail(expected) {
      if (peg$currPos < peg$maxFailPos) { return; }

      if (peg$currPos > peg$maxFailPos) {
        peg$maxFailPos = peg$currPos;
        peg$maxFailExpected = [];
      }

      peg$maxFailExpected.push(expected);
    }

    function peg$buildException(message, expected, found, location) {
      function cleanupExpected(expected) {
        var i = 1;

        expected.sort(function(a, b) {
          if (a.description < b.description) {
            return -1;
          } else if (a.description > b.description) {
            return 1;
          } else {
            return 0;
          }
        });

        while (i < expected.length) {
          if (expected[i - 1] === expected[i]) {
            expected.splice(i, 1);
          } else {
            i++;
          }
        }
      }

      function buildMessage(expected, found) {
        function stringEscape(s) {
          function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); }

          return s
            .replace(/\\/g,   '\\\\')
            .replace(/"/g,    '\\"')
            .replace(/\x08/g, '\\b')
            .replace(/\t/g,   '\\t')
            .replace(/\n/g,   '\\n')
            .replace(/\f/g,   '\\f')
            .replace(/\r/g,   '\\r')
            .replace(/[\x00-\x07\x0B\x0E\x0F]/g, function(ch) { return '\\x0' + hex(ch); })
            .replace(/[\x10-\x1F\x80-\xFF]/g,    function(ch) { return '\\x'  + hex(ch); })
            .replace(/[\u0100-\u0FFF]/g,         function(ch) { return '\\u0' + hex(ch); })
            .replace(/[\u1000-\uFFFF]/g,         function(ch) { return '\\u'  + hex(ch); });
        }

        var expectedDescs = new Array(expected.length),
            expectedDesc, foundDesc, i;

        for (i = 0; i < expected.length; i++) {
          expectedDescs[i] = expected[i].description;
        }

        expectedDesc = expected.length > 1
          ? expectedDescs.slice(0, -1).join(", ")
              + " or "
              + expectedDescs[expected.length - 1]
          : expectedDescs[0];

        foundDesc = found ? "\"" + stringEscape(found) + "\"" : "end of input";

        return "Expected " + expectedDesc + " but " + foundDesc + " found.";
      }

      if (expected !== null) {
        cleanupExpected(expected);
      }

      return new peg$SyntaxError(
        message !== null ? message : buildMessage(expected, found),
        expected,
        found,
        location
      );
    }

    function peg$parseexpr() {
      var s0, s1, s2, s3, s4, s5, s6, s7, s8;

      s0 = peg$currPos;
      s1 = peg$parseselector();
      if (s1 !== peg$FAILED) {
        s2 = peg$parse_();
        if (s2 !== peg$FAILED) {
          s3 = [];
          s4 = peg$currPos;
          s5 = peg$parseconnector();
          if (s5 === peg$FAILED) {
            s5 = null;
          }
          if (s5 !== peg$FAILED) {
            s6 = peg$parse_();
            if (s6 !== peg$FAILED) {
              s7 = peg$parseselector();
              if (s7 !== peg$FAILED) {
                s8 = peg$parse_();
                if (s8 !== peg$FAILED) {
                  s5 = [s5, s6, s7, s8];
                  s4 = s5;
                } else {
                  peg$currPos = s4;
                  s4 = peg$FAILED;
                }
              } else {
                peg$currPos = s4;
                s4 = peg$FAILED;
              }
            } else {
              peg$currPos = s4;
              s4 = peg$FAILED;
            }
          } else {
            peg$currPos = s4;
            s4 = peg$FAILED;
          }
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            s4 = peg$currPos;
            s5 = peg$parseconnector();
            if (s5 === peg$FAILED) {
              s5 = null;
            }
            if (s5 !== peg$FAILED) {
              s6 = peg$parse_();
              if (s6 !== peg$FAILED) {
                s7 = peg$parseselector();
                if (s7 !== peg$FAILED) {
                  s8 = peg$parse_();
                  if (s8 !== peg$FAILED) {
                    s5 = [s5, s6, s7, s8];
                    s4 = s5;
                  } else {
                    peg$currPos = s4;
                    s4 = peg$FAILED;
                  }
                } else {
                  peg$currPos = s4;
                  s4 = peg$FAILED;
                }
              } else {
                peg$currPos = s4;
                s4 = peg$FAILED;
              }
            } else {
              peg$currPos = s4;
              s4 = peg$FAILED;
            }
          }
          if (s3 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c0(s1, s3);
            s0 = s1;
          } else {
            peg$currPos = s0;
            s0 = peg$FAILED;
          }
        } else {
          peg$currPos = s0;
          s0 = peg$FAILED;
        }
      } else {
        peg$currPos = s0;
        s0 = peg$FAILED;
      }

      return s0;
    }

    function peg$parseselector() {
      var s0, s1, s2, s3, s4;

      s0 = peg$currPos;
      s1 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 35) {
        s2 = peg$c1;
        peg$currPos++;
      } else {
        s2 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c2); }
      }
      if (s2 !== peg$FAILED) {
        s3 = [];
        if (peg$c3.test(input.charAt(peg$currPos))) {
          s4 = input.charAt(peg$currPos);
          peg$currPos++;
        } else {
          s4 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c4); }
        }
        if (s4 !== peg$FAILED) {
          while (s4 !== peg$FAILED) {
            s3.push(s4);
            if (peg$c3.test(input.charAt(peg$currPos))) {
              s4 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c4); }
            }
          }
        } else {
          s3 = peg$FAILED;
        }
        if (s3 !== peg$FAILED) {
          s2 = [s2, s3];
          s1 = s2;
        } else {
          peg$currPos = s1;
          s1 = peg$FAILED;
        }
      } else {
        peg$currPos = s1;
        s1 = peg$FAILED;
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c5(s1);
      }
      s0 = s1;
      if (s0 === peg$FAILED) {
        s0 = peg$currPos;
        s1 = peg$currPos;
        if (input.charCodeAt(peg$currPos) === 47) {
          s2 = peg$c6;
          peg$currPos++;
        } else {
          s2 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c7); }
        }
        if (s2 !== peg$FAILED) {
          s3 = [];
          if (peg$c8.test(input.charAt(peg$currPos))) {
            s4 = input.charAt(peg$currPos);
            peg$currPos++;
          } else {
            s4 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c9); }
          }
          if (s4 !== peg$FAILED) {
            while (s4 !== peg$FAILED) {
              s3.push(s4);
              if (peg$c8.test(input.charAt(peg$currPos))) {
                s4 = input.charAt(peg$currPos);
                peg$currPos++;
              } else {
                s4 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c9); }
              }
            }
          } else {
            s3 = peg$FAILED;
          }
          if (s3 !== peg$FAILED) {
            if (input.charCodeAt(peg$currPos) === 47) {
              s4 = peg$c6;
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c7); }
            }
            if (s4 !== peg$FAILED) {
              s2 = [s2, s3, s4];
              s1 = s2;
            } else {
              peg$currPos = s1;
              s1 = peg$FAILED;
            }
          } else {
            peg$currPos = s1;
            s1 = peg$FAILED;
          }
        } else {
          peg$currPos = s1;
          s1 = peg$FAILED;
        }
        if (s1 !== peg$FAILED) {
          peg$savedPos = s0;
          s1 = peg$c10(s1);
        }
        s0 = s1;
        if (s0 === peg$FAILED) {
          s0 = peg$currPos;
          s1 = peg$currPos;
          if (input.charCodeAt(peg$currPos) === 39) {
            s2 = peg$c11;
            peg$currPos++;
          } else {
            s2 = peg$FAILED;
            if (peg$silentFails === 0) { peg$fail(peg$c12); }
          }
          if (s2 !== peg$FAILED) {
            s3 = [];
            if (peg$c13.test(input.charAt(peg$currPos))) {
              s4 = input.charAt(peg$currPos);
              peg$currPos++;
            } else {
              s4 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c14); }
            }
            if (s4 !== peg$FAILED) {
              while (s4 !== peg$FAILED) {
                s3.push(s4);
                if (peg$c13.test(input.charAt(peg$currPos))) {
                  s4 = input.charAt(peg$currPos);
                  peg$currPos++;
                } else {
                  s4 = peg$FAILED;
                  if (peg$silentFails === 0) { peg$fail(peg$c14); }
                }
              }
            } else {
              s3 = peg$FAILED;
            }
            if (s3 !== peg$FAILED) {
              if (input.charCodeAt(peg$currPos) === 39) {
                s4 = peg$c11;
                peg$currPos++;
              } else {
                s4 = peg$FAILED;
                if (peg$silentFails === 0) { peg$fail(peg$c12); }
              }
              if (s4 !== peg$FAILED) {
                s2 = [s2, s3, s4];
                s1 = s2;
              } else {
                peg$currPos = s1;
                s1 = peg$FAILED;
              }
            } else {
              peg$currPos = s1;
              s1 = peg$FAILED;
            }
          } else {
            peg$currPos = s1;
            s1 = peg$FAILED;
          }
          if (s1 !== peg$FAILED) {
            peg$savedPos = s0;
            s1 = peg$c15(s1);
          }
          s0 = s1;
          if (s0 === peg$FAILED) {
            s0 = peg$currPos;
            if (input.charCodeAt(peg$currPos) === 42) {
              s1 = peg$c16;
              peg$currPos++;
            } else {
              s1 = peg$FAILED;
              if (peg$silentFails === 0) { peg$fail(peg$c17); }
            }
            if (s1 !== peg$FAILED) {
              peg$savedPos = s0;
              s1 = peg$c18(s1);
            }
            s0 = s1;
          }
        }
      }

      return s0;
    }

    function peg$parseconnector() {
      var s0, s1;

      s0 = peg$currPos;
      if (input.charCodeAt(peg$currPos) === 62) {
        s1 = peg$c19;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c20); }
      }
      if (s1 !== peg$FAILED) {
        peg$savedPos = s0;
        s1 = peg$c21();
      }
      s0 = s1;

      return s0;
    }

    function peg$parse_() {
      var s0, s1;

      s0 = [];
      if (input.charCodeAt(peg$currPos) === 32) {
        s1 = peg$c22;
        peg$currPos++;
      } else {
        s1 = peg$FAILED;
        if (peg$silentFails === 0) { peg$fail(peg$c23); }
      }
      while (s1 !== peg$FAILED) {
        s0.push(s1);
        if (input.charCodeAt(peg$currPos) === 32) {
          s1 = peg$c22;
          peg$currPos++;
        } else {
          s1 = peg$FAILED;
          if (peg$silentFails === 0) { peg$fail(peg$c23); }
        }
      }

      return s0;
    }

    peg$result = peg$startRuleFunction();

    if (peg$result !== peg$FAILED && peg$currPos === input.length) {
      return peg$result;
    } else {
      if (peg$result !== peg$FAILED && peg$currPos < input.length) {
        peg$fail({ type: "end", description: "end of input" });
      }

      throw peg$buildException(
        null,
        peg$maxFailExpected,
        peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null,
        peg$maxFailPos < input.length
          ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1)
          : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)
      );
    }
  }

  return {
    SyntaxError: peg$SyntaxError,
    parse:       peg$parse
  };
})();