microformats.js

this is Microformats.js for linux

        if (s.length > 0) {
          return s;
        }
      }
    },
    /**
     * Used to specifically retrieve a date in a microformat node.
     * After getting the default text, it normalizes it to an ISO8601 date.
     *
     * @param  propnode   The DOMNode to check
     * @param  parentnode The parent node of the property. If it is a subproperty,
     *                    this is the parent property node. If it is not, this is the
     *                    microformat node.
     * @return A string with the normalized date.
     */
    dateTimeGetter: function(propnode, parentnode) {
      var date = Microformats.parser.textGetter(propnode, parentnode);
      if (date) {
        return Microformats.parser.normalizeISO8601(date);
      }
    },
    /**
     * Used to specifically retrieve a URI in a microformat node. This includes
     * looking at an href/img/object/area to get the fully qualified URI.
     *
     * @param  propnode   The DOMNode to check
     * @param  parentnode The parent node of the property. If it is a subproperty,
     *                    this is the parent property node. If it is not, this is the
     *                    microformat node.
     * @return A string with the fully qualified URI.
     */
    uriGetter: function(propnode, parentnode) {
      var pairs = {"a":"href", "img":"src", "object":"data", "area":"href"};
      var name = propnode.nodeName.toLowerCase();
      if (pairs.hasOwnProperty(name)) {
        return propnode[pairs[name]];
      }
      return Microformats.parser.textGetter(propnode, parentnode);
    },
    /**
     * Used to specifically retrieve a telephone number in a microformat node.
     * Basically this is to handle the face that telephone numbers use value
     * as the name as one of their subproperties, but value is also used for
     * value excerpting (http://microformats.org/wiki/hcard#Value_excerpting)
     
     * @param  propnode   The DOMNode to check
     * @param  parentnode The parent node of the property. If it is a subproperty,
     *                    this is the parent property node. If it is not, this is the
     *                    microformat node.
     * @return A string with the telephone number
     */
    telGetter: function(propnode, parentnode) {
      var pairs = {"a":"href", "object":"data", "area":"href"};
      var name = propnode.nodeName.toLowerCase();
      if (pairs.hasOwnProperty(name)) {
        var protocol;
        if (propnode[pairs[name]].indexOf("tel:") == 0) {
          protocol = "tel:";
        }
        if (propnode[pairs[name]].indexOf("fax:") == 0) {
          protocol = "fax:";
        }
        if (propnode[pairs[name]].indexOf("modem:") == 0) {
          protocol = "modem:";
        }
        if (protocol) {
          if (propnode[pairs[name]].indexOf('?') > 0) {
            return unescape(propnode[pairs[name]].substring(protocol.length, propnode[pairs[name]].indexOf('?')));
          } else {
            return unescape(propnode[pairs[name]].substring(protocol.length));
          }
        }
      }
     /* Special case - if this node is a value, use the parent node to get all the values */
      if (Microformats.matchClass(propnode, "value")) {
        return Microformats.parser.textGetter(parentnode, parentnode);
      } else {
        return Microformats.parser.textGetter(propnode, parentnode);
      }
    },
    /**
     * Used to specifically retrieve an email address in a microformat node.
     * This includes at an href, as well as removing subject if specified and
     * the mailto prefix.
     *
     * @param  propnode   The DOMNode to check
     * @param  parentnode The parent node of the property. If it is a subproperty,
     *                    this is the parent property node. If it is not, this is the
     *                    microformat node.
     * @return A string with the email address.
     */
    emailGetter: function(propnode, parentnode) {
      if ((propnode.nodeName.toLowerCase() == "a") || (propnode.nodeName.toLowerCase() == "area")) {
        var mailto = propnode.href;
        /* IO Service won't fully parse mailto, so we do it manually */
        if (mailto.indexOf('?') > 0) {
          return unescape(mailto.substring("mailto:".length, mailto.indexOf('?')));
        } else {
          return unescape(mailto.substring("mailto:".length));
        }
      } else {
        /* Special case - if this node is a value, use the parent node to get all the values */
        /* If this case gets executed, per the value design pattern, the result */
        /* will be the EXACT email address with no extra parsing required */
        if (Microformats.matchClass(propnode, "value")) {
          return Microformats.parser.textGetter(parentnode, parentnode);
        } else {
          return Microformats.parser.textGetter(propnode, parentnode);
        }
      }
    },
    /**
     * Used when a caller needs the text inside a particular DOM node.
     * It calls defaultGetter to handle all the subtleties of getting
     * text from a microformat.
     *
     * @param  propnode   The DOMNode to check
     * @param  parentnode The parent node of the property. If it is a subproperty,
     *                    this is the parent property node. If it is not, this is the
     *                    microformat node.
     * @return A string with just the text including all tags.
     */
    textGetter: function(propnode, parentnode) {
      return Microformats.parser.defaultGetter(propnode, parentnode, "text");
    },
    /**
     * Used when a caller needs the HTML inside a particular DOM node.
     *
     * @param  propnode   The DOMNode to check
     * @param  parentnode The parent node of the property. If it is a subproperty,
     *                    this is the parent property node. If it is not, this is the
     *                    microformat node.
     * @return An emulated string object that also has a new function called toHTML
     */
    HTMLGetter: function(propnode, parentnode) {
      /* This is so we can have a string that behaves like a string */
      /* but also has a new function that can return the HTML that corresponds */
      /* to the string. */
      function mfHTML(value) {
        this.valueOf = function() {return value.valueOf();}
        this.toString = function() {return value.toString();}
      }
      mfHTML.prototype = new String;
      mfHTML.prototype.toHTML = function() {
        return Microformats.parser.defaultGetter(propnode, parentnode, "HTML");
      }
      return new mfHTML(Microformats.parser.defaultGetter(propnode, parentnode, "text"));
    },
    /**
     * Internal parser API used to determine which getter to call based on the
     * datatype specified in the microformat definition.
     *
     * @param  prop       The microformat property in the definition
     * @param  propnode   The DOMNode to check
     * @param  parentnode The parent node of the property. If it is a subproperty,
     *                    this is the parent property node. If it is not, this is the
     *                    microformat node.
     * @return A string with the property value.
     */
    datatypeHelper: function(prop, node, parentnode) {
      var result;
      var datatype = prop.datatype;
      if (prop.implied) {
        datatype = prop.subproperties[prop.implied].datatype;
      }
      switch (datatype) {
        case "dateTime":
          result = Microformats.parser.dateTimeGetter(node, parentnode);
          break;
        case "anyURI":
          result = Microformats.parser.uriGetter(node, parentnode);
          break;
        case "email":
          result = Microformats.parser.emailGetter(node, parentnode);
          break;
        case "tel":
          result = Microformats.parser.telGetter(node, parentnode);
          break;
        case "HTML":
          result = Microformats.parser.HTMLGetter(node, parentnode);
          break;
        case "float":
          var asText = Microformats.parser.textGetter(node, parentnode);
          if (!isNaN(asText)) {
            result = parseFloat(asText);
          }
          break;
        case "custom":
          result = prop.customGetter(node, parentnode);
          break;
        case "microformat":
          try {
            result = new Microformats[prop.microformat].mfObject(node);
          } catch (ex) {
            /* We can swallow this exception. If the creation of the */
            /* mf object fails, then the node isn't a microformat */
          }
          if (result != undefined) {
            if (prop.microformat_property) {
              result = result[prop.microformat_property];
            }
            break;
          }
        default:
          result = Microformats.parser.textGetter(node, parentnode);
          break;
      }
      /* This handles the case where one property implies another property */
      /* For instance, org by itself is actually org.organization-name */
      if (prop.implied && (result != undefined)) {
        var temp = result;
        result = {};
        result[prop.implied] = temp;
      }
      if (prop.values && (result != undefined)) {
        var validType = false;
        for (let value in prop.values) {
          if (result.toLowerCase() == prop.values[value]) {
            validType = true;
            break;
          }
        }
        if (!validType) {
          return;
        }
      }
      return result;
    },
    newMicroformat: function(object, in_node, microformat, validate) {
      /* check to see if we are even valid */
      if (!Microformats[microformat]) {
        throw("Invalid microformat - " + microformat);
      }
      if (in_node.ownerDocument) {
        if (Microformats[microformat].attributeName) {
          if (!(in_node.getAttribute(Microformats[microformat].attributeName))) {
            throw("Node is not a microformat (" + microformat + ")");
          }
        } else {
          if (!Microformats.matchClass(in_node, Microformats[microformat].className)) {
            throw("Node is not a microformat (" + microformat + ")");
          }
        }
      }
      var node = in_node;
      if ((Microformats[microformat].className) && in_node.ownerDocument) {
        node = Microformats.parser.preProcessMicroformat(in_node);
      }

      for (let i in Microformats[microformat].properties) {
        object.__defineGetter__(i, Microformats.parser.getMicroformatPropertyGenerator(node, microformat, i, object));
      }
      
      /* The node in the object should be the original node */
      object.node = in_node;
      /* we also store the node that has been "resolved" */
      object.resolvedNode = node; 
      object.semanticType = microformat;
      if (validate) {
        Microformats.parser.validate(node, microformat);
      }
    },
    getMicroformatPropertyGenerator: function getMicroformatPropertyGenerator(node, name, property, microformat)
    {
      return function() {
        var result = Microformats.parser.getMicroformatProperty(node, name, property);
//        delete microformat[property];
//        microformat[property] = result; 
        return result;
      };
    },
    getPropertyInternal: function getPropertyInternal(propnode, parentnode, propobj, propname, mfnode) {
      var result;
      if (propobj.subproperties) {
        for (let subpropname in propobj.subproperties) {
          var subpropnodes;
          var subpropobj = propobj.subproperties[subpropname];
          if (subpropobj.rel == true) {
            subpropnodes = Microformats.getElementsByAttribute(propnode, "rel", subpropname);
          } else {
            subpropnodes = Microformats.getElementsByClassName(propnode, subpropname);
          }
          var resultArray = [];
          var subresult;
          for (let i = 0; i < subpropnodes.length; i++) {
            subresult = Microformats.parser.getPropertyInternal(subpropnodes[i], propnode,
                                                                subpropobj,
                                                                subpropname, mfnode);
            if (subresult != undefined) {
              resultArray.push(subresult);
              /* If we're not a plural property, don't bother getting more */
              if (!subpropobj.plural) {
                break;
              }
            }
          }
          if (resultArray.length == 0) {
            subresult = Microformats.parser.getPropertyInternal(propnode, null,
                                                                subpropobj,
                                                                subpropname, mfnode);
            if (subresult != undefined) {
              resultArray.push(subresult);
            }
          }
          if (resultArray.length > 0) {
            result = result || {};
            if (subpropobj.plural) {
              result[subpropname] = resultArray;
            } else {
              result[subpropname] = resultArray[0];
            }
          }
        }
      }
      if (!parentnode || (!result && propobj.subproperties)) {
        if (propobj.virtual) {
          if (propobj.virtualGetter) {
            result = propobj.virtualGetter(mfnode || propnode);
          } else {
            result = Microformats.parser.datatypeHelper(propobj, propnode);
          }
        } else if (propobj.implied) {
          result = Microformats.parser.datatypeHelper(propobj, propnode);
        }
      } else if (!result) {
        result = Microformats.parser.datatypeHelper(propobj, propnode, parentnode);
      }
      return result;
    },
    getMicroformatProperty: function getMicroformatProperty(in_mfnode, mfname, propname) {
      var mfnode = in_mfnode;
      /* If the node has not been preprocessed, the requested microformat */
      /* is a class based microformat and the passed in node is not the */
      /* entire document, preprocess it. Preprocessing the node involves */
      /* creating a duplicate of the node and taking care of things like */
      /* the include and header design patterns */
      if (!in_mfnode.origNode && Microformats[mfname].className && in_mfnode.ownerDocument) {
        mfnode = Microformats.parser.preProcessMicroformat(in_mfnode);
      }
      /* propobj is the corresponding property object in the microformat */
      var propobj;
      /* If there is a corresponding property in the microformat, use it */
      if (Microformats[mfname].properties[propname]) {
        propobj = Microformats[mfname].properties[propname];
      } else {
        /* If we didn't get a property, bail */
        return;
      }
      /* Query the correct set of nodes (rel or class) based on the setting */
      /* in the property */
      var propnodes;
      if (propobj.rel == true) {
        propnodes = Microformats.getElementsByAttribute(mfnode, "rel", propname);
      } else {
        propnodes = Microformats.getElementsByClassName(mfnode, propname);
      }
      for (let i=propnodes.length-1; i >= 0; i--) {
        /* The reason getParent is not used here is because this code does */
        /* not apply to attribute based microformats, plus adr and geo */