eaglercraft-1.8/sources/main/java/net/optifine/util/StrUtils.java

package net.optifine.util;

import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

public class StrUtils {
	public static boolean equalsMask(String str, String mask, char wildChar, char wildCharSingle) {
		if (mask != null && str != null) {
			if (mask.indexOf(wildChar) < 0) {
				return mask.indexOf(wildCharSingle) < 0 ? mask.equals(str)
						: equalsMaskSingle(str, mask, wildCharSingle);
			} else {
				List list = new ArrayList();
				String s = "" + wildChar;

				if (mask.startsWith(s)) {
					list.add("");
				}

				StringTokenizer stringtokenizer = new StringTokenizer(mask, s);

				while (stringtokenizer.hasMoreElements()) {
					list.add(stringtokenizer.nextToken());
				}

				if (mask.endsWith(s)) {
					list.add("");
				}

				String s1 = (String) list.get(0);

				if (!startsWithMaskSingle(str, s1, wildCharSingle)) {
					return false;
				} else {
					String s2 = (String) list.get(list.size() - 1);

					if (!endsWithMaskSingle(str, s2, wildCharSingle)) {
						return false;
					} else {
						int i = 0;

						for (int j = 0; j < ((List) list).size(); ++j) {
							String s3 = (String) list.get(j);

							if (s3.length() > 0) {
								int k = indexOfMaskSingle(str, s3, i, wildCharSingle);

								if (k < 0) {
									return false;
								}

								i = k + s3.length();
							}
						}

						return true;
					}
				}
			}
		} else {
			return mask == str;
		}
	}

	private static boolean equalsMaskSingle(String str, String mask, char wildCharSingle) {
		if (str != null && mask != null) {
			if (str.length() != mask.length()) {
				return false;
			} else {
				for (int i = 0; i < mask.length(); ++i) {
					char c0 = mask.charAt(i);

					if (c0 != wildCharSingle && str.charAt(i) != c0) {
						return false;
					}
				}

				return true;
			}
		} else {
			return str == mask;
		}
	}

	private static int indexOfMaskSingle(String str, String mask, int startPos, char wildCharSingle) {
		if (str != null && mask != null) {
			if (startPos >= 0 && startPos <= str.length()) {
				if (str.length() < startPos + mask.length()) {
					return -1;
				} else {
					for (int i = startPos; i + mask.length() <= str.length(); ++i) {
						String s = str.substring(i, i + mask.length());

						if (equalsMaskSingle(s, mask, wildCharSingle)) {
							return i;
						}
					}

					return -1;
				}
			} else {
				return -1;
			}
		} else {
			return -1;
		}
	}

	private static boolean endsWithMaskSingle(String str, String mask, char wildCharSingle) {
		if (str != null && mask != null) {
			if (str.length() < mask.length()) {
				return false;
			} else {
				String s = str.substring(str.length() - mask.length(), str.length());
				return equalsMaskSingle(s, mask, wildCharSingle);
			}
		} else {
			return str == mask;
		}
	}

	private static boolean startsWithMaskSingle(String str, String mask, char wildCharSingle) {
		if (str != null && mask != null) {
			if (str.length() < mask.length()) {
				return false;
			} else {
				String s = str.substring(0, mask.length());
				return equalsMaskSingle(s, mask, wildCharSingle);
			}
		} else {
			return str == mask;
		}
	}

	public static boolean equalsMask(String str, String[] masks, char wildChar) {
		for (int i = 0; i < masks.length; ++i) {
			String s = masks[i];

			if (equalsMask(str, s, wildChar)) {
				return true;
			}
		}

		return false;
	}

	public static boolean equalsMask(String str, String mask, char wildChar) {
		if (mask != null && str != null) {
			if (mask.indexOf(wildChar) < 0) {
				return mask.equals(str);
			} else {
				List list = new ArrayList();
				String s = "" + wildChar;

				if (mask.startsWith(s)) {
					list.add("");
				}

				StringTokenizer stringtokenizer = new StringTokenizer(mask, s);

				while (stringtokenizer.hasMoreElements()) {
					list.add(stringtokenizer.nextToken());
				}

				if (mask.endsWith(s)) {
					list.add("");
				}

				String s1 = (String) list.get(0);

				if (!str.startsWith(s1)) {
					return false;
				} else {
					String s2 = (String) list.get(list.size() - 1);

					if (!str.endsWith(s2)) {
						return false;
					} else {
						int i = 0;

						for (int j = 0; j < ((List) list).size(); ++j) {
							String s3 = (String) list.get(j);

							if (s3.length() > 0) {
								int k = str.indexOf(s3, i);

								if (k < 0) {
									return false;
								}

								i = k + s3.length();
							}
						}

						return true;
					}
				}
			}
		} else {
			return mask == str;
		}
	}

	public static String[] split(String str, String separators) {
		if (str != null && str.length() > 0) {
			if (separators == null) {
				return new String[] { str };
			} else {
				List list = new ArrayList();
				int i = 0;

				for (int j = 0; j < str.length(); ++j) {
					char c0 = str.charAt(j);

					if (equals(c0, separators)) {
						list.add(str.substring(i, j));
						i = j + 1;
					}
				}

				list.add(str.substring(i, str.length()));
				return (String[]) ((String[]) list.toArray(new String[list.size()]));
			}
		} else {
			return new String[0];
		}
	}

	private static boolean equals(char ch, String matches) {
		for (int i = 0; i < matches.length(); ++i) {
			if (matches.charAt(i) == ch) {
				return true;
			}
		}

		return false;
	}

	public static boolean equalsTrim(String a, String b) {
		if (a != null) {
			a = a.trim();
		}

		if (b != null) {
			b = b.trim();
		}

		return equals(a, b);
	}

	public static boolean isEmpty(String string) {
		return string == null ? true : string.trim().length() <= 0;
	}

	public static String stringInc(String str) {
		int i = parseInt(str, -1);

		if (i == -1) {
			return "";
		} else {
			++i;
			String s = "" + i;
			return s.length() > str.length() ? "" : fillLeft("" + i, str.length(), '0');
		}
	}

	public static int parseInt(String s, int defVal) {
		if (s == null) {
			return defVal;
		} else {
			try {
				return Integer.parseInt(s);
			} catch (NumberFormatException var3) {
				return defVal;
			}
		}
	}

	public static boolean isFilled(String string) {
		return !isEmpty(string);
	}

	public static String addIfNotContains(String target, String source) {
		for (int i = 0; i < source.length(); ++i) {
			if (target.indexOf(source.charAt(i)) < 0) {
				target = target + source.charAt(i);
			}
		}

		return target;
	}

	public static String fillLeft(String s, int len, char fillChar) {
		if (s == null) {
			s = "";
		}

		if (s.length() >= len) {
			return s;
		} else {
			StringBuffer stringbuffer = new StringBuffer();
			int i = len - s.length();

			while (stringbuffer.length() < i) {
				stringbuffer.append(fillChar);
			}

			return stringbuffer.toString() + s;
		}
	}

	public static String fillRight(String s, int len, char fillChar) {
		if (s == null) {
			s = "";
		}

		if (s.length() >= len) {
			return s;
		} else {
			StringBuffer stringbuffer = new StringBuffer(s);

			while (stringbuffer.length() < len) {
				stringbuffer.append(fillChar);
			}

			return stringbuffer.toString();
		}
	}

	public static boolean equals(Object a, Object b) {
		return a == b ? true : (a != null && a.equals(b) ? true : b != null && b.equals(a));
	}

	public static boolean startsWith(String str, String[] prefixes) {
		if (str == null) {
			return false;
		} else if (prefixes == null) {
			return false;
		} else {
			for (int i = 0; i < prefixes.length; ++i) {
				String s = prefixes[i];

				if (str.startsWith(s)) {
					return true;
				}
			}

			return false;
		}
	}

	public static boolean endsWith(String str, String[] suffixes) {
		if (str == null) {
			return false;
		} else if (suffixes == null) {
			return false;
		} else {
			for (int i = 0; i < suffixes.length; ++i) {
				String s = suffixes[i];

				if (str.endsWith(s)) {
					return true;
				}
			}

			return false;
		}
	}

	public static String removePrefix(String str, String prefix) {
		if (str != null && prefix != null) {
			if (str.startsWith(prefix)) {
				str = str.substring(prefix.length());
			}

			return str;
		} else {
			return str;
		}
	}

	public static String removeSuffix(String str, String suffix) {
		if (str != null && suffix != null) {
			if (str.endsWith(suffix)) {
				str = str.substring(0, str.length() - suffix.length());
			}

			return str;
		} else {
			return str;
		}
	}

	public static String replaceSuffix(String str, String suffix, String suffixNew) {
		if (str != null && suffix != null) {
			if (!str.endsWith(suffix)) {
				return str;
			} else {
				if (suffixNew == null) {
					suffixNew = "";
				}

				str = str.substring(0, str.length() - suffix.length());
				return str + suffixNew;
			}
		} else {
			return str;
		}
	}

	public static String replacePrefix(String str, String prefix, String prefixNew) {
		if (str != null && prefix != null) {
			if (!str.startsWith(prefix)) {
				return str;
			} else {
				if (prefixNew == null) {
					prefixNew = "";
				}

				str = str.substring(prefix.length());
				return prefixNew + str;
			}
		} else {
			return str;
		}
	}

	public static int findPrefix(String[] strs, String prefix) {
		if (strs != null && prefix != null) {
			for (int i = 0; i < strs.length; ++i) {
				String s = strs[i];

				if (s.startsWith(prefix)) {
					return i;
				}
			}

			return -1;
		} else {
			return -1;
		}
	}

	public static int findSuffix(String[] strs, String suffix) {
		if (strs != null && suffix != null) {
			for (int i = 0; i < strs.length; ++i) {
				String s = strs[i];

				if (s.endsWith(suffix)) {
					return i;
				}
			}

			return -1;
		} else {
			return -1;
		}
	}

	public static String[] remove(String[] strs, int start, int end) {
		if (strs == null) {
			return strs;
		} else if (end > 0 && start < strs.length) {
			if (start >= end) {
				return strs;
			} else {
				List<String> list = new ArrayList(strs.length);

				for (int i = 0; i < strs.length; ++i) {
					String s = strs[i];

					if (i < start || i >= end) {
						list.add(s);
					}
				}

				String[] astring = (String[]) list.toArray(new String[list.size()]);
				return astring;
			}
		} else {
			return strs;
		}
	}

	public static String removeSuffix(String str, String[] suffixes) {
		if (str != null && suffixes != null) {
			int i = str.length();

			for (int j = 0; j < suffixes.length; ++j) {
				String s = suffixes[j];
				str = removeSuffix(str, s);

				if (str.length() != i) {
					break;
				}
			}

			return str;
		} else {
			return str;
		}
	}

	public static String removePrefix(String str, String[] prefixes) {
		if (str != null && prefixes != null) {
			int i = str.length();

			for (int j = 0; j < prefixes.length; ++j) {
				String s = prefixes[j];
				str = removePrefix(str, s);

				if (str.length() != i) {
					break;
				}
			}

			return str;
		} else {
			return str;
		}
	}

	public static String removePrefixSuffix(String str, String[] prefixes, String[] suffixes) {
		str = removePrefix(str, prefixes);
		str = removeSuffix(str, suffixes);
		return str;
	}

	public static String removePrefixSuffix(String str, String prefix, String suffix) {
		return removePrefixSuffix(str, new String[] { prefix }, new String[] { suffix });
	}

	public static String getSegment(String str, String start, String end) {
		if (str != null && start != null && end != null) {
			int i = str.indexOf(start);

			if (i < 0) {
				return null;
			} else {
				int j = str.indexOf(end, i);
				return j < 0 ? null : str.substring(i, j + end.length());
			}
		} else {
			return null;
		}
	}

	public static String addSuffixCheck(String str, String suffix) {
		return str != null && suffix != null ? (str.endsWith(suffix) ? str : str + suffix) : str;
	}

	public static String addPrefixCheck(String str, String prefix) {
		return str != null && prefix != null ? (str.endsWith(prefix) ? str : prefix + str) : str;
	}

	public static String trim(String str, String chars) {
		if (str != null && chars != null) {
			str = trimLeading(str, chars);
			str = trimTrailing(str, chars);
			return str;
		} else {
			return str;
		}
	}

	public static String trimLeading(String str, String chars) {
		if (str != null && chars != null) {
			int i = str.length();

			for (int j = 0; j < i; ++j) {
				char c0 = str.charAt(j);

				if (chars.indexOf(c0) < 0) {
					return str.substring(j);
				}
			}

			return "";
		} else {
			return str;
		}
	}

	public static String trimTrailing(String str, String chars) {
		if (str != null && chars != null) {
			int i = str.length();
			int j;

			for (j = i; j > 0; --j) {
				char c0 = str.charAt(j - 1);

				if (chars.indexOf(c0) < 0) {
					break;
				}
			}

			return j == i ? str : str.substring(0, j);
		} else {
			return str;
		}
	}
}