weapp_bbs/components/parser.min/libs/MpHtmlParser.js

// 小程序富文本插件 https://github.com/jin-yufeng/Parser
"use strict";
function _classCallCheck(t, i) {
  if (!(t instanceof i))
    throw new TypeError("Cannot call a class as a function");
}
var _createClass = (function () {
    function t(t, i) {
      for (var s = 0; s < i.length; s++) {
        var e = i[s];
        (e.enumerable = e.enumerable || !1),
          (e.configurable = !0),
          "value" in e && (e.writable = !0),
          Object.defineProperty(t, e.key, e);
      }
    }
    return function (i, s, e) {
      return s && t(i.prototype, s), e && t(i, e), i;
    };
  })(),
  cfg = require("./config.js"),
  blankChar = cfg.blankChar,
  CssHandler = require("./CssHandler.js"),
  screenWidth = wx.getSystemInfoSync().screenWidth;
try {
  var emoji = require("./emoji.js.js.js");
} catch (t) {}
var MpHtmlParser = (function () {
  function t(i) {
    var s = this,
      e = arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] : {};
    _classCallCheck(this, t),
      (this.getName = function (t) {
        return s.xml ? t : t.toLowerCase();
      }),
      (this.isClose = function () {
        return (
          ">" == s.data[s.i] || ("/" == s.data[s.i] && ">" == s.data[s.i + 1])
        );
      }),
      (this.section = function () {
        return s.data.substring(s.start, s.i);
      }),
      (this.parent = function () {
        return s.STACK[s.STACK.length - 1];
      }),
      (this.siblings = function () {
        return s.STACK.length ? s.parent().children : s.DOM;
      }),
      (this.attrs = {}),
      (this.compress = e.compress),
      (this.CssHandler = new CssHandler(e.tagStyle, screenWidth)),
      (this.data = i),
      (this.domain = e.domain),
      (this.DOM = []),
      (this.i = this.start = this.audioNum = this.imgNum = this.videoNum = 0),
      (this.protocol =
        this.domain && this.domain.includes("://")
          ? this.domain.split("://")[0]
          : "http"),
      (this.state = this.Text),
      (this.STACK = []),
      (this.useAnchor = e.useAnchor),
      (this.xml = e.xml);
  }
  return (
    _createClass(t, [
      {
        key: "parse",
        value: function () {
          emoji && (this.data = emoji.parseEmoji(this.data));
          for (var t; (t = this.data[this.i]); this.i++) this.state(t);
          for (this.state == this.Text && this.setText(); this.STACK.length; )
            this.popNode(this.STACK.pop());
          return (
            this.DOM.length &&
              ((this.DOM[0].PoweredBy = "Parser"),
              this.title && (this.DOM[0].title = this.title)),
            this.DOM
          );
        },
      },
      {
        key: "setAttr",
        value: function () {
          var t = this.getName(this.attrName);
          for (
            cfg.trustAttrs[t] &&
              (this.attrVal
                ? (this.attrs[t] =
                    "src" == t
                      ? this.getUrl(this.attrVal.replace(/&amp;/g, "&"))
                      : this.attrVal)
                : cfg.boolAttrs[t] && (this.attrs[t] = "T")),
              this.attrVal = "";
            blankChar[this.data[this.i]];

          )
            this.i++;
          this.isClose()
            ? this.setNode()
            : ((this.start = this.i), (this.state = this.AttrName));
        },
      },
      {
        key: "setText",
        value: function () {
          var t,
            i = this.section();
          if (i)
            if (
              ((i =
                (cfg.onText &&
                  cfg.onText(i, function () {
                    return (t = !0);
                  })) ||
                i),
              t)
            ) {
              this.data =
                this.data.substr(0, this.start) + i + this.data.substr(this.i);
              var s = this.start + i.length;
              for (this.i = this.start; this.i < s; this.i++)
                this.state(this.data[this.i]);
            } else {
              if (!this.pre) {
                for (var e, a = [], r = i.length; (e = i[--r]); )
                  (!blankChar[e] || (!blankChar[a[0]] && (e = " "))) &&
                    a.unshift(e);
                if (" " == (i = a.join(""))) return;
              }
              for (var h, n, l = -1, o = this.siblings(); ; ) {
                if (-1 == (l = i.indexOf("&", l + 1))) break;
                if (-1 == (h = i.indexOf(";", l + 2))) break;
                "#" == i[l + 1]
                  ? ((n = parseInt(
                      ("x" == i[l + 2] ? "0" : "") + i.substring(l + 2, h)
                    )),
                    isNaN(n) ||
                      (i =
                        i.substr(0, l) +
                        String.fromCharCode(n) +
                        i.substr(h + 1)))
                  : ((n = i.substring(l + 1, h)),
                    "nbsp" == n
                      ? (i = i.substr(0, l) + " " + i.substr(h + 1))
                      : "lt" != n &&
                        "gt" != n &&
                        "amp" != n &&
                        "ensp" != n &&
                        "emsp" != n &&
                        "quot" != n &&
                        "apos" != n &&
                        (l && o.push({ type: "text", text: i.substr(0, l) }),
                        o.push({ type: "text", text: "&" + n + ";", en: 1 }),
                        (i = i.substr(h + 1)),
                        (l = -1)));
              }
              i && o.push({ type: "text", text: i });
            }
        },
      },
      {
        key: "setNode",
        value: function () {
          var t = { name: this.getName(this.tagName), attrs: this.attrs },
            i =
              cfg.selfClosingTags[t.name] ||
              (this.xml && "/" == this.data[this.i]);
          if (((this.attrs = {}), cfg.ignoreTags[t.name]))
            if (i)
              if ("source" == t.name) {
                var s = this.parent(),
                  e = t.attrs;
                if (s && e.src)
                  if ("video" == s.name || "audio" == s.name)
                    s.attrs.source.push(e.src);
                  else {
                    var a,
                      r = e.media;
                    "picture" == s.name &&
                      !s.attrs.src &&
                      (!r ||
                        (r.includes("px") &&
                          ((-1 != (a = r.indexOf("min-width")) &&
                            -1 != (a = r.indexOf(":", a + 8)) &&
                            screenWidth > parseInt(r.substr(a + 1))) ||
                            (-1 != (a = r.indexOf("max-width")) &&
                              -1 != (a = r.indexOf(":", a + 8)) &&
                              screenWidth < parseInt(r.substr(a + 1)))))) &&
                      (s.attrs.src = e.src);
                  }
              } else
                "base" != t.name || this.domain || (this.domain = t.attrs.href);
            else this.remove(t);
          else
            this.matchAttr(t),
              i
                ? (cfg.filter && 0 == cfg.filter(t, this)) ||
                  this.siblings().push(t)
                : ((t.children = []),
                  "pre" == t.name &&
                    cfg.highlight &&
                    (this.remove(t), (this.pre = t.pre = !0)),
                  this.siblings().push(t),
                  this.STACK.push(t));
          "/" == this.data[this.i] && this.i++,
            (this.start = this.i + 1),
            (this.state = this.Text);
        },
      },
      {
        key: "remove",
        value: function (t) {
          for (var i = t.name, s = this.i; ; ) {
            if (-1 == (this.i = this.data.indexOf("</", this.i + 1)))
              return void (this.i =
                "pre" == i || "svg" == i ? s : this.data.length);
            for (
              this.start = this.i += 2;
              !blankChar[this.data[this.i]] && !this.isClose();

            )
              this.i++;
            if (this.getName(this.section()) == i) {
              if ("pre" == i)
                return (
                  (this.data =
                    this.data.substr(0, s + 1) +
                    cfg.highlight(
                      this.data.substring(s + 1, this.i - 5),
                      t.attrs
                    ) +
                    this.data.substr(this.i - 5)),
                  (this.i = s)
                );
              if (
                ("style" == i
                  ? this.CssHandler.getStyle(
                      this.data.substring(s + 1, this.i - 7)
                    )
                  : "title" == i &&
                    (this.title = this.data.substring(s + 1, this.i - 7)),
                -1 == (this.i = this.data.indexOf(">", this.i)) &&
                  (this.i = this.data.length),
                "svg" == i)
              ) {
                var e = this.data.substring(s, this.i + 1);
                t.attrs.xmlns ||
                  (e = ' xmlns="http://www.w3.org/2000/svg"' + e);
                for (var a = s; "<" != this.data[s]; ) s--;
                e = this.data.substring(s, a) + e;
                var r = this.parent();
                "100%" == t.attrs.width &&
                  r &&
                  (r.attrs.style || "").includes("inline") &&
                  (r.attrs.style =
                    "width:300px;max-width:100%;" + r.attrs.style),
                  this.siblings().push({
                    name: "img",
                    attrs: {
                      src: "data:image/svg+xml;utf8," + e.replace(/#/g, "%23"),
                    },
                    svg: 1,
                  });
              }
              return;
            }
          }
        },
      },
      {
        key: "matchAttr",
        value: function (t) {
          var i = t.attrs,
            s = this.CssHandler.match(t.name, i, t) + (i.style || ""),
            e = {};
          switch (
            (i.id &&
              (1 & this.compress
                ? (i.id = void 0)
                : this.useAnchor && this.bubble()),
            2 & this.compress && i.class && (i.class = void 0),
            t.name)
          ) {
            case "a":
            case "ad":
              this.bubble();
              break;
            case "font":
              if (
                (i.color && ((e.color = i.color), (i.color = void 0)),
                i.face && ((e["font-family"] = i.face), (i.face = void 0)),
                i.size)
              ) {
                var a = parseInt(i.size);
                a < 1 ? (a = 1) : a > 7 && (a = 7);
                var r = [
                  "xx-small",
                  "x-small",
                  "small",
                  "medium",
                  "large",
                  "x-large",
                  "xx-large",
                ];
                (e["font-size"] = r[a - 1]), (i.size = void 0);
              }
              break;
            case "video":
            case "audio":
              i.id
                ? this[t.name + "Num"]++
                : (i.id = t.name + ++this[t.name + "Num"]),
                "video" == t.name && this.videoNum > 3 && (t.lazyLoad = 1),
                (i.source = []),
                i.src && i.source.push(i.src),
                i.controls ||
                  i.autoplay ||
                  console.warn(
                    "存在没有 controls 属性的 " +
                      t.name +
                      " 标签，可能导致无法播放",
                    t
                  ),
                this.bubble();
              break;
            case "td":
            case "th":
              if (i.colspan || i.rowspan)
                for (var h, n = this.STACK.length; (h = this.STACK[--n]); )
                  if ("table" == h.name) {
                    h.c = void 0;
                    break;
                  }
          }
          i.align && ((e["text-align"] = i.align), (i.align = void 0)),
            i.width &&
              ((e.width =
                parseFloat(i.width) + (i.width.includes("%") ? "%" : "px")),
              (i.width = void 0)),
            i.height &&
              ((e.height =
                parseFloat(i.height) + (i.height.includes("%") ? "%" : "px")),
              (i.height = void 0));
          var l = s
            .replace(/&quot;/g, '"')
            .replace(/&amp;/g, "&")
            .split(";");
          s = "";
          for (var o = 0, c = l.length; o < c; o++) {
            var d = l[o].split(":");
            if (!(d.length < 2)) {
              var u = d[0].trim().toLowerCase(),
                f = d.slice(1).join(":").trim();
              f.includes("-webkit") ||
              f.includes("-moz") ||
              f.includes("-ms") ||
              f.includes("-o") ||
              f.includes("safe")
                ? (s += ";" + u + ":" + f)
                : (e[u] && !f.includes("import") && e[u].includes("import")) ||
                  (e[u] = f);
            }
          }
          if ("img" == t.name || "picture" == t.name) {
            i["data-src"] &&
              ((i.src = i.src || i["data-src"]), (i["data-src"] = void 0)),
              (!i.src && "picture" != t.name) ||
                i.ignore ||
                (this.bubble()
                  ? ((i.src || "").includes(".webp") && (t.webp = 1),
                    (i.i = (this.imgNum++).toString()))
                  : (i.ignore = "T")),
              i.ignore && (e["max-width"] = "100%");
            var m = function (t) {
              return e[t] && !e[t].includes("auto");
            };
            if (m("width")) {
              var g = this.parent();
              e.width.includes("%") &&
                g &&
                (g.attrs.style || "").includes("inline") &&
                ((g.attrs.style += ";max-width:100%"), (t.auto = 1)),
                parseInt(e.width) > screenWidth && (e.height = "auto"),
                m("height") && (t.mode = "scaleToFill");
            } else m("height") ? (t.mode = "heightFix") : (t.auto = 1);
          }
          for (var p in e) {
            var b = e[p];
            if (
              ((p.includes("flex") || "order" == p || "self-align" == p) &&
                (t.c = 1),
              b.includes("url"))
            ) {
              var v = b.indexOf("(");
              if (-1 != v++) {
                for (; '"' == b[v] || "'" == b[v] || blankChar[b[v]]; ) v++;
                b = b.substr(0, v) + this.getUrl(b.substr(v));
              }
            } else
              b.includes("rpx")
                ? (b = b.replace(/[0-9.]+\s*rpx/g, function (t) {
                    return (parseFloat(t) * screenWidth) / 750 + "px";
                  }))
                : "white-space" == p &&
                  b.includes("pre") &&
                  (this.pre = t.pre = !0);
            s += ";" + p + ":" + b;
          }
          (s = s.substr(1)) && (i.style = s);
        },
      },
      {
        key: "popNode",
        value: function (t) {
          if (t.pre) {
            t.pre = this.pre = void 0;
            for (var i = this.STACK.length; i--; )
              this.STACK[i].pre && (this.pre = !0);
          }
          if ("head" == t.name || (cfg.filter && 0 == cfg.filter(t, this)))
            return this.siblings().pop();
          var s = t.attrs;
          if ("picture" == t.name)
            return (
              (t.name = "img"),
              s.src ||
                "img" != (t.children[0] || "").name ||
                (s.src = t.children[0].attrs.src),
              (t.children = void 0)
            );
          if (
            (cfg.blockTags[t.name]
              ? (t.name = "div")
              : cfg.trustTags[t.name] || (t.name = "span"),
            t.c)
          )
            if ("ul" == t.name) {
              for (var e = 1, a = this.STACK.length; a--; )
                "ul" == this.STACK[a].name && e++;
              if (1 != e)
                for (var r = t.children.length; r--; ) t.children[r].floor = e;
            } else if ("ol" == t.name)
              for (var h, n = 0, l = 1; (h = t.children[n++]); )
                "li" == h.name &&
                  ((h.type = "ol"),
                  (h.num =
                    (function (t, i) {
                      if ("a" == i)
                        return String.fromCharCode(97 + ((t - 1) % 26));
                      if ("A" == i)
                        return String.fromCharCode(65 + ((t - 1) % 26));
                      if ("i" == i || "I" == i) {
                        t = ((t - 1) % 99) + 1;
                        var s = [
                            "I",
                            "II",
                            "III",
                            "IV",
                            "V",
                            "VI",
                            "VII",
                            "VIII",
                            "IX",
                          ],
                          e = [
                            "X",
                            "XX",
                            "XXX",
                            "XL",
                            "L",
                            "LX",
                            "LXX",
                            "LXXX",
                            "XC",
                          ],
                          a =
                            (e[Math.floor(t / 10) - 1] || "") +
                            (s[(t % 10) - 1] || "");
                        return "i" == i ? a.toLowerCase() : a;
                      }
                      return t;
                    })(l++, s.type) + "."));
          if ("table" == t.name) {
            var o = s.cellpadding,
              c = s.cellspacing,
              d = s.border;
            t.c &&
              (this.bubble(),
              (s.style = (s.style || "") + ";display:table"),
              o || (o = 2),
              c || (c = 2)),
              d &&
                (s.style = "border:" + d + "px solid gray;" + (s.style || "")),
              c && (s.style = "border-spacing:" + c + "px;" + (s.style || "")),
              (d || o || t.c) &&
                (function i(s) {
                  for (var e, a = 0; (e = s[a]); a++) {
                    var r = e.attrs.style || "";
                    t.c &&
                      "t" == e.name[0] &&
                      ((e.c = 1),
                      (r +=
                        ";display:table-" +
                        ("th" == e.name || "td" == e.name
                          ? "cell"
                          : "tr" == e.name
                          ? "row"
                          : "row-group"))),
                      "th" == e.name || "td" == e.name
                        ? (d && (r = "border:" + d + "px solid gray;" + r),
                          o && (r = "padding:" + o + "px;" + r))
                        : i(e.children || []),
                      r && (e.attrs.style = r);
                  }
                })(t.children);
          }
          if (
            (this.CssHandler.pop && this.CssHandler.pop(t),
            "div" == t.name && !Object.keys(s).length)
          ) {
            var u = this.siblings();
            1 == t.children.length &&
              "div" == t.children[0].name &&
              (u[u.length - 1] = t.children[0]);
          }
        },
      },
      {
        key: "bubble",
        value: function () {
          for (var t, i = this.STACK.length; (t = this.STACK[--i]); ) {
            if (cfg.richOnlyTags[t.name])
              return (
                "table" != t.name ||
                  Object.hasOwnProperty.call(t, "c") ||
                  (t.c = 1),
                !1
              );
            t.c = 1;
          }
          return !0;
        },
      },
      {
        key: "getUrl",
        value: function (t) {
          return (
            "/" == t[0]
              ? "/" == t[1]
                ? (t = this.protocol + ":" + t)
                : this.domain && (t = this.domain + t)
              : this.domain &&
                0 != t.indexOf("data:") &&
                !t.includes("://") &&
                (t = this.domain + "/" + t),
            t
          );
        },
      },
      {
        key: "Text",
        value: function (t) {
          if ("<" == t) {
            var i = this.data[this.i + 1],
              s = function (t) {
                return (t >= "a" && t <= "z") || (t >= "A" && t <= "Z");
              };
            s(i)
              ? (this.setText(),
                (this.start = this.i + 1),
                (this.state = this.TagName))
              : "/" == i
              ? (this.setText(),
                s(this.data[++this.i + 1])
                  ? ((this.start = this.i + 1), (this.state = this.EndTag))
                  : this.Comment())
              : "!" == i && (this.setText(), this.Comment());
          }
        },
      },
      {
        key: "Comment",
        value: function () {
          var t;
          (t =
            "--" == this.data.substring(this.i + 2, this.i + 4)
              ? "--\x3e"
              : "[CDATA[" == this.data.substring(this.i + 2, this.i + 9)
              ? "]]>"
              : ">"),
            -1 == (this.i = this.data.indexOf(t, this.i + 2))
              ? (this.i = this.data.length)
              : (this.i += t.length - 1),
            (this.start = this.i + 1),
            (this.state = this.Text);
        },
      },
      {
        key: "TagName",
        value: function (t) {
          if (blankChar[t]) {
            for (this.tagName = this.section(); blankChar[this.data[this.i]]; )
              this.i++;
            this.isClose()
              ? this.setNode()
              : ((this.start = this.i), (this.state = this.AttrName));
          } else
            this.isClose() && ((this.tagName = this.section()), this.setNode());
        },
      },
      {
        key: "AttrName",
        value: function (t) {
          var i = blankChar[t];
          if (
            (i && ((this.attrName = this.section()), (t = this.data[this.i])),
            "=" == t)
          ) {
            for (
              i || (this.attrName = this.section());
              blankChar[this.data[++this.i]];

            );
            (this.start = this.i--), (this.state = this.AttrValue);
          } else
            i
              ? this.setAttr()
              : this.isClose() &&
                ((this.attrName = this.section()), this.setAttr());
        },
      },
      {
        key: "AttrValue",
        value: function (t) {
          if ('"' == t || "'" == t) {
            if (
              (this.start++, -1 == (this.i = this.data.indexOf(t, this.i + 1)))
            )
              return (this.i = this.data.length);
            (this.attrVal = this.section()), this.i++;
          } else {
            for (; !blankChar[this.data[this.i]] && !this.isClose(); this.i++);
            this.attrVal = this.section();
          }
          this.setAttr();
        },
      },
      {
        key: "EndTag",
        value: function (t) {
          if (blankChar[t] || ">" == t || "/" == t) {
            for (
              var i = this.getName(this.section()), s = this.STACK.length;
              s-- && this.STACK[s].name != i;

            );
            if (-1 != s) {
              for (var e; (e = this.STACK.pop()).name != i; );
              this.popNode(e);
            } else
              ("p" != i && "br" != i) ||
                this.siblings().push({ name: i, attrs: {} });
            (this.i = this.data.indexOf(">", this.i)),
              (this.start = this.i + 1),
              -1 == this.i
                ? (this.i = this.data.length)
                : (this.state = this.Text);
          }
        },
      },
    ]),
    t
  );
})();
module.exports = MpHtmlParser;