/
Element.java
731 lines (633 loc) · 25.8 KB
/
Element.java
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package net.aufdemrand.denizen.objects;
import java.text.DecimalFormat;
import java.util.Arrays;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import net.aufdemrand.denizen.objects.aH.Argument;
import net.aufdemrand.denizen.tags.Attribute;
import net.aufdemrand.denizen.utilities.debugging.dB;
import org.apache.commons.lang.StringUtils;
import org.bukkit.ChatColor;
// <--[language]
// @name Element
// @group Object System
// @description
// Elements are simple objects that contain either a boolean (true/false),
// string, or number value. Their main usage is within the replaceable tag
// system, often times returned from the use of another tag that isn't returning
// a specific object type, such as a location or entity. For example,
// <player.name> or <li@item|item2|item3.as_cslist> will both return Elements.
//
// Pluses to the Element system is the ability to utilize its attributes that
// can provide a range of functionality that should be familiar from any other
// programming language, such as 'to_uppercase', 'split', 'replace', 'contains',
// as_int, any many more. See 'element' tags for more information.
//
// While information fetched from other tags resulting in an Element is often
// times automatically handled, it may be desirable to utilize element
// attributes from strings/numbers/etc. that aren't already an element object.
// To accomplish this, the object fetcher can be used to create a new element.
// Element has a constructor, el@val[element_value], that will allow the
// creation of a new element. For example: <el@val[This_is_a_test.].to_uppercase>
// will result in the value 'THIS_IS_A_TEST.' Note that while other objects often
// return their object identifier (el@, li@, e@, etc.), elements do not.
// -->
public class Element implements dObject {
public final static Element TRUE = new Element(Boolean.TRUE);
public final static Element FALSE = new Element(Boolean.FALSE);
public final static Element SERVER = new Element("server");
final static Pattern VALUE_PATTERN =
Pattern.compile("el@val(?:ue)?\\[([^\\[\\]]+)\\].*",
Pattern.CASE_INSENSITIVE);
/**
*
* @param string the string or dScript argument String
* @return a dScript dList
*
*/
@Fetchable("el")
public static Element valueOf(String string) {
if (string == null) return null;
Matcher m = VALUE_PATTERN.matcher(string);
// Allow construction of elements with el@val[<value>]
if (m.matches()) {
String value = m.group(1);
Argument arg = Argument.valueOf(value);
if (arg.matchesPrimitive(aH.PrimitiveType.Integer))
return new Element(aH.getIntegerFrom(value));
else if (arg.matchesPrimitive(aH.PrimitiveType.Double))
return new Element(aH.getDoubleFrom(value));
else return new Element(value);
}
return new Element(string);
}
public static boolean matches(String string) {
return string != null;
}
private final String element;
public Element(String string) {
this.prefix = "element";
this.element = string;
}
public Element(Boolean bool) {
this.prefix = "boolean";
this.element = String.valueOf(bool);
}
public Element(Integer integer) {
this.prefix = "integer";
this.element = String.valueOf(integer);
}
public Element(Byte byt) {
this.prefix = "byte";
this.element = String.valueOf(byt);
}
public Element(Short shrt) {
this.prefix = "short";
this.element = String.valueOf(shrt);
}
public Element(Long lng) {
this.prefix = "long";
this.element = String.valueOf(lng);
}
public Element(Double dbl) {
this.prefix = "double";
this.element = String.valueOf(dbl);
}
public Element(Float flt) {
this.prefix = "float";
this.element = String.valueOf(flt);
}
public Element(String prefix, String string) {
if (prefix == null) this.prefix = "element";
else this.prefix = prefix;
this.element = string;
}
public double asDouble() {
return Double.valueOf(element.replaceAll("(el@)|%", ""));
}
public float asFloat() {
return Float.valueOf(element.replaceAll("(el@)|%", ""));
}
public int asInt() {
return Integer.valueOf(element.replaceAll("(el@)|%", ""));
}
public boolean asBoolean() {
return Boolean.valueOf(element.replaceAll("el@", ""));
}
public String asString() {
return element;
}
private String prefix;
@Override
public String getObjectType() {
return "Element";
}
@Override
public String getPrefix() {
return prefix;
}
@Override
public dObject setPrefix(String prefix) {
this.prefix = prefix;
return this;
}
@Override
public String debug() {
return (prefix + "='<A>" + identify() + "<G>' ");
}
@Override
public String identify() {
return element;
}
@Override
public String toString() {
return identify();
}
@Override
public boolean isUnique() {
return false;
}
@Override
public String getAttribute(Attribute attribute) {
if (attribute == null) return null;
/////////////////////
// CONVERSION ATTRIBUTES
/////////////////
// <--[tag]
// @attribute <el@element.as_boolean>
// @returns Element(Boolean)
// @description
// Returns the element as true/false.
// -->
if (attribute.startsWith("asboolean")
|| attribute.startsWith("as_boolean"))
return new Element(Boolean.valueOf(element).toString())
.getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <el@element.as_double>
// @returns Element(Number)
// @description
// Returns the element as a number with a decimal.
// -->
if (attribute.startsWith("asdouble")
|| attribute.startsWith("as_double"))
try { return new Element(Double.valueOf(element))
.getAttribute(attribute.fulfill(1)); }
catch (NumberFormatException e) {
dB.echoError("'" + element + "' is not a valid Double.");
return new Element("null").getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.as_duration>
// @returns Duration
// @description
// Returns the element as a duration.
// -->
if (attribute.startsWith("asduration")
|| attribute.startsWith("as_duration"))
return Duration.valueOf(element).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <el@element.as_entity>
// @returns dEntity
// @description
// Returns the element as an entity. Note: the value must be a valid entity.
// -->
if (attribute.startsWith("asentity")
|| attribute.startsWith("as_entity"))
return dEntity.valueOf(element).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <el@element.round_up>
// @returns Element(Number)
// @description
// Rounds a decimal upward.
// -->
if (attribute.startsWith("round_up"))
try {
return new Element((int)Math.ceil(Double.valueOf(element)))
.getAttribute(attribute.fulfill(1)); }
catch (NumberFormatException e) {
dB.echoError("'" + element + "' is not a valid Integer.");
return new Element("null").getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.round_down>
// @returns Element(Number)
// @description
// Rounds a decimal downward.
// -->
if (attribute.startsWith("round_down"))
try {
return new Element((int)Math.floor(Double.valueOf(element)))
.getAttribute(attribute.fulfill(1)); }
catch (NumberFormatException e) {
dB.echoError("'" + element + "' is not a valid Integer.");
return new Element("null").getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.as_int>
// @returns Element(Number)
// @description
// Returns the element as a number without a decimal. Rounds double values.
// -->
if (attribute.startsWith("asint")
|| attribute.startsWith("as_int"))
try {
// Round the Double instead of just getting its
// value as an Integer (which would incorrectly
// turn 2.9 into 2)
return new Element(Math.round(Double.valueOf(element)))
.getAttribute(attribute.fulfill(1)); }
catch (NumberFormatException e) {
dB.echoError("'" + element + "' is not a valid Integer.");
return new Element("null").getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.as_item>
// @returns dItem
// @description
// Returns the element as an item. Additional attributes can be accessed by dItem.
// Note: the value must be a valid item.
// -->
if (attribute.startsWith("asitem")
|| attribute.startsWith("as_item"))
return dItem.valueOf(element).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <el@element.as_list>
// @returns dList
// @description
// Returns the element as a list.
// -->
if (attribute.startsWith("aslist")
|| attribute.startsWith("as_list"))
return dList.valueOf(element).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <el@element.as_location>
// @returns dLocation
// @description
// Returns the element as a location. Note: the value must be a valid location.
// -->
if (attribute.startsWith("aslocation")
|| attribute.startsWith("as_location"))
return dLocation.valueOf(element).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <el@element.as_money>
// @returns Element(Number)
// @description
// Returns the element as a number with two decimal places.
// -->
if (attribute.startsWith("asmoney")
|| attribute.startsWith("as_money")) {
try {
DecimalFormat d = new DecimalFormat("0.00");
return new Element(d.format(Double.valueOf(element)))
.getAttribute(attribute.fulfill(1)); }
catch (NumberFormatException e) {
dB.echoError("'" + element + "' is not a valid Money format.");
return new Element("null").getAttribute(attribute.fulfill(1));
}
}
// <--[tag]
// @attribute <el@element.as_npc>
// @returns dNPC
// @description
// Returns the element as an NPC. Note: the value must be a valid NPC.
// -->
if (attribute.startsWith("asnpc")
|| attribute.startsWith("as_npc"))
return dNPC.valueOf(element).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <el@element.as_player>
// @returns dPlayer
// @description
// Returns the element as a player. Note: the value must be a valid player. Can be online or offline.
// -->
if (attribute.startsWith("asplayer")
|| attribute.startsWith("as_player"))
return dPlayer.valueOf(element).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <el@element.as_script>
// @returns dScript
// @description
// Returns the element as a script. Note: the value must be a valid script.
// -->
if (attribute.startsWith("asscript")
|| attribute.startsWith("as_script"))
return dScript.valueOf(element).getAttribute(attribute.fulfill(1));
/////////////////////
// DEBUG ATTRIBUTES
/////////////////
// <--[tag]
// @attribute <el@element.debug.log>
// @returns Element
// @description
// Prints the Element's debug representation in the console and returns true.
// -->
if (attribute.startsWith("debug.log")) {
dB.log(debug());
return new Element(Boolean.TRUE)
.getAttribute(attribute.fulfill(2));
}
// <--[tag]
// @attribute <el@element.debug.no_color>
// @returns Element
// @description
// Returns a standard debug representation of the Element with colors stripped.
// -->
if (attribute.startsWith("debug.no_color")) {
return new Element(ChatColor.stripColor(debug()))
.getAttribute(attribute.fulfill(2));
}
// <--[tag]
// @attribute <el@element.debug>
// @returns Element
// @description
// Returns a standard debug representation of the Element.
// -->
if (attribute.startsWith("debug")) {
return new Element(debug())
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.prefix>
// @returns Element
// @description
// Returns the prefix of the element.
// -->
if (attribute.startsWith("prefix"))
return new Element(prefix)
.getAttribute(attribute.fulfill(1));
/////////////////////
// STRING CHECKING ATTRIBUTES
/////////////////
// <--[tag]
// @attribute <el@element.contains[<string>]>
// @returns Element(Boolean)
// @description
// Returns whether the element contains a specified string, case insensitive. Can use
// regular expression by prefixing the string with regex:
// -->
if (attribute.startsWith("contains")) {
String contains = attribute.getContext(1);
if (contains.toLowerCase().startsWith("regex:")) {
if (Pattern.compile(contains.substring(("regex:").length()), Pattern.CASE_INSENSITIVE).matcher(element).matches())
return new Element("true").getAttribute(attribute.fulfill(1));
else return new Element("false").getAttribute(attribute.fulfill(1));
}
else if (element.toLowerCase().contains(contains.toLowerCase()))
return new Element("true").getAttribute(attribute.fulfill(1));
else return new Element("false").getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.ends_with[<string>]>
// @returns Element(Boolean)
// @description
// Returns whether the element ends with a specified string.
// -->
if (attribute.startsWith("ends_with") || attribute.startsWith("endswith"))
return new Element(element.endsWith(attribute.getContext(1))).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <el@element.last_color>
// @returns Element
// @description
// Returns the ChatColors used at the end of a string.
// -->
if (attribute.startsWith("last_color"))
return new Element(ChatColor.getLastColors(element)).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <el@element.length>
// @returns Element(Number)
// @description
// Returns the length of the element.
// -->
if (attribute.startsWith("length")) {
return new Element(element.length())
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.starts_with[<string>]>
// @returns Element(Boolean)
// @description
// Returns whether the element starts with a specified string.
// -->
if (attribute.startsWith("starts_with") || attribute.startsWith("startswith"))
return new Element(element.startsWith(attribute.getContext(1))).getAttribute(attribute.fulfill(1));
/////////////////////
// STRING MANIPULATION ATTRIBUTES
/////////////////
// <--[tag]
// @attribute <el@element.after[<string>]>
// @returns Element
// @description
// Returns the portion of an element after a specified string. ie. <el@helloWorld.after[hello]> returns 'World'.
// -->
if (attribute.startsWith("after")) {
String delimiter = attribute.getContext(1);
if (element.contains(delimiter))
return new Element(element.substring
(element.indexOf(delimiter) + delimiter.length()))
.getAttribute(attribute.fulfill(1));
else
return new Element(element)
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.before[<string>]>
// @returns Element
// @description
// Returns the portion of an element before a specified string.
// -->
if (attribute.startsWith("before")) {
String delimiter = attribute.getContext(1);
if (element.contains(delimiter))
return new Element(element.substring
(0, element.indexOf(delimiter)))
.getAttribute(attribute.fulfill(1));
else
return new Element(element)
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.replace[<string>]>
// @returns Element
// @description
// Returns the element with all instances of a string removed.
// -->
// <--[tag]
// @attribute <el@element.replace[<string>].with[<string>]>
// @returns Element
// @description
// Returns the element with all instances of a string replaced with another.
// -->
if (attribute.startsWith("replace")
&& attribute.hasContext(1)) {
String replace = attribute.getContext(1);
String replacement = "";
attribute.fulfill(1);
if (attribute.startsWith("with")) {
if (attribute.hasContext(1)) {
replacement = attribute.getContext(1);
attribute.fulfill(1);
}
}
return new Element(element.replace(replace, replacement))
.getAttribute(attribute);
}
// <--[tag]
// @attribute <el@element.split[<string>].limit[<#>]>
// @returns dList
// @description
// Returns a list of portions of this element, split by the specified string,
// and capped at the specified number of max list items.
// -->
if (attribute.startsWith("split") && attribute.startsWith("limit", 2)) {
String split_string = (attribute.hasContext(1) ? attribute.getContext(1) : " ");
Integer limit = (attribute.hasContext(2) ? attribute.getIntContext(2) : 1);
if (split_string.toLowerCase().startsWith("regex:"))
return new dList(Arrays.asList(element.split(split_string.split(":", 2)[1], limit)))
.getAttribute(attribute.fulfill(1));
else
return new dList(Arrays.asList(StringUtils.split(element, split_string, limit)))
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.split[<string>]>
// @returns dList
// @description
// Returns a list of portions of this element, split by the specified string.
// -->
if (attribute.startsWith("split")) {
String split_string = (attribute.hasContext(1) ? attribute.getContext(1) : " ");
if (split_string.toLowerCase().startsWith("regex:"))
return new dList(Arrays.asList(element.split(split_string.split(":", 2)[1])))
.getAttribute(attribute.fulfill(1));
else
return new dList(Arrays.asList(StringUtils.split(element, split_string)))
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.strip_color>
// @returns Element
// @description
// Returns the element with all color encoding stripped.
// -->
if (attribute.startsWith("strip_color"))
return new Element(ChatColor.stripColor(element)).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <e@element.trim>
// @returns Element
// @description
// Returns the value of an element minus any leading or trailing whitespace.
// -->
if (attribute.startsWith("trim"))
return new Element(element.trim()).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <el@element.substring[<#>(,<#>)]>
// @returns Element
// @description
// Returns the portion of an element between two string indices.
// If no second index is specified, it will return the portion of an
// element after the specified index.
// -->
if (attribute.startsWith("substring")||attribute.startsWith("substr")) { // substring[2,8]
int beginning_index = Integer.valueOf(attribute.getContext(1).split(",")[0]) - 1;
int ending_index;
if (attribute.getContext(1).split(",").length > 1)
ending_index = Integer.valueOf(attribute.getContext(1).split(",")[1]) - 1;
else
ending_index = element.length();
if (beginning_index < 0) beginning_index = 0;
if (ending_index > element.length()) ending_index = element.length();
return new Element(element.substring(beginning_index, ending_index))
.getAttribute(attribute.fulfill(1));
}
/////////////////////
// MATH ATTRIBUTES
/////////////////
// <--[tag]
// @attribute <el@element.abs>
// @returns Element(Number)
// @description
// Returns the absolute value of the element.
// -->
if (attribute.startsWith("abs")) {
return new Element(Math.abs(asDouble()))
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.add[<#>]>
// @returns Element(Number)
// @description
// Returns the element plus a number.
// -->
if (attribute.startsWith("add")
&& attribute.hasContext(1)) {
return new Element(asDouble() + aH.getDoubleFrom(attribute.getContext(1)))
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.div[<#>]>
// @returns Element(Number)
// @description
// Returns the element divided by a number.
// -->
if (attribute.startsWith("div")
&& attribute.hasContext(1)) {
return new Element(asDouble() / aH.getDoubleFrom(attribute.getContext(1)))
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.mod[<#>]>
// @returns Element(Number)
// @description
// Returns the remainder of the element divided by a number.
// -->
if (attribute.startsWith("mod")
&& attribute.hasContext(1)) {
return new Element(asDouble() % aH.getDoubleFrom(attribute.getContext(1)))
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.mul[<#>]>
// @returns Element(Number)
// @description
// Returns the element multiplied by a number.
// -->
if (attribute.startsWith("mul")
&& attribute.hasContext(1)) {
return new Element(asDouble() * aH.getDoubleFrom(attribute.getContext(1)))
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.sqrt>
// @returns Element(Number)
// @description
// Returns the square root of the element.
// -->
if (attribute.startsWith("sqrt")) {
return new Element(Math.sqrt(asDouble()))
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <el@element.sub[<#>]>
// @returns Element(Number)
// @description
// Returns the element minus a number.
// -->
if (attribute.startsWith("sub")
&& attribute.hasContext(1)) {
return new Element(asDouble() - aH.getDoubleFrom(attribute.getContext(1)))
.getAttribute(attribute.fulfill(1));
}
// Unfilled attributes past this point probably means the tag is spelled
// incorrectly. So instead of just passing through what's been resolved
// so far, 'null' shall be returned with an error message.
if (attribute.attributes.size() > 0) {
dB.echoError("Unfilled attributes '" + attribute.attributes.toString() + "'" +
"for tag <" + attribute.getOrigin() + ">!");
return "null";
} else {
dB.echoDebug(attribute.getScriptEntry(), "Filled tag <" + attribute.getOrigin() + "> with '" + element + "'.");
return element;
}
}
}