/**
* Trim leading and trailing whitespace from the given String.
*
* @param str the String to check
* @return the trimmed String
* @see Character#isWhitespace
*/
public static String trimWhitespace(String str) {
if (!hasLength(str)) {
return str;
}
StringBuilder sb = new StringBuilder(str);
while (sb.length() > 0 && Character.isWhitespace(sb.charAt(0))) {
sb.deleteCharAt(0);
}
while (sb.length() > 0 && Character.isWhitespace(sb.charAt(sb.length() - 1))) {
sb.deleteCharAt(sb.length() - 1);
}
return sb.toString();
}
// tokenizes a string for PBM and PGM headers and plain PBM and PGM data. If oneChar is true,
// then
// rather than parsing a whole string, a single character is read (not including whitespace or
// comments)
static String tokenizeString(InputStream stream, boolean oneChar) throws IOException {
final int EOF = -1;
StringBuilder b = new StringBuilder();
int c;
boolean inComment = false;
while (true) {
c = stream.read();
if (c == EOF)
throw new IOException(
"Stream ended prematurely, before table reading was completed."); // no more tokens
else if (inComment) {
if (c == '\r' || c == '\n') // escape the comment
inComment = false;
else {
} // do nothing
} else if (Character.isWhitespace((char) c)) {
} // do nothing
else if (c == '#') // start of a comment
{
inComment = true;
} else // start of a string
{
b.append((char) c);
break;
}
}
if (oneChar) return b.toString();
// at this point we have a valid string. We read until whitespace or a #
while (true) {
c = stream.read();
if (c == EOF) break;
else if (c == '#') // start of comment, read until a '\n'
{
while (true) {
c = stream.read(); // could hit EOF, which is fine
if (c == EOF) break;
else if (c == '\r' || c == '\n') break;
}
// break; // comments are not delimiters
} else if (Character.isWhitespace((char) c)) break;
else b.append((char) c);
}
return b.toString();
}
private static void autoImport(final PsiFile file, int offset, final Editor editor) {
final CharSequence text = editor.getDocument().getCharsSequence();
while (offset > 0 && Character.isJavaIdentifierPart(text.charAt(offset))) offset--;
if (offset <= 0) return;
while (offset > 0 && Character.isWhitespace(text.charAt(offset))) offset--;
if (offset <= 0 || text.charAt(offset) != '.') return;
offset--;
while (offset > 0 && Character.isWhitespace(text.charAt(offset))) offset--;
if (offset <= 0) return;
PsiJavaCodeReferenceElement element =
extractReference(
PsiTreeUtil.findElementOfClassAtOffset(file, offset, PsiExpression.class, false));
if (element == null) return;
while (true) {
final PsiJavaCodeReferenceElement qualifier = extractReference(element.getQualifier());
if (qualifier == null) break;
element = qualifier;
}
if (!(element.getParent() instanceof PsiMethodCallExpression)
&& element.multiResolve(true).length == 0) {
new ImportClassFix(element).doFix(editor, false, false);
}
}
private static boolean isWhitespace(String text) {
if (text == null) return true;
boolean isWhitespace = true;
for (int i = text.length() - 1; i >= 0; i--) {
char ch = text.charAt(i);
if (!Character.isWhitespace(ch)) {
// check for comment
if (ch == '>' && text.indexOf("-->") + 2 == i) {
int head = text.indexOf("<!--");
if (head >= 0) {
for (int j = 0; j < head; j++) {
if (!Character.isWhitespace(text.charAt(j))) {
return false;
}
}
return true;
}
}
return false;
}
}
return true;
}
private void write(CharSequence text, boolean gsp) {
if (!gsp) {
out.print(text);
return;
}
for (int ix = 0, ixz = text.length(); ix < ixz; ix++) {
char c = text.charAt(ix);
String rep = null;
if (Character.isWhitespace(c)) {
for (ix++; ix < ixz; ix++) {
if (Character.isWhitespace(text.charAt(ix))) {
continue;
}
ix--;
rep = " ";
break;
}
} else if (c == '&') {
if (match(";", text, ix)) {
rep = ";";
ix += 5;
} else if (match("&", text, ix)) {
rep = "&";
ix += 4;
} else if (match("<", text, ix)) {
rep = "<";
ix += 3;
} else if (match(">", text, ix)) {
rep = ">";
ix += 3;
}
} else if (c == '<') {
if (match("<br>", text, ix) || match("<hr>", text, ix)) {
rep = "\n";
// incrementLineNumber();
ix += 3;
} else {
int end = match(PARA_BREAK, text, ix);
if (end <= 0) end = match(ROW_BREAK, text, ix);
if (end > 0) {
rep = "\n";
// incrementLineNumber();
ix = end;
}
}
}
if (rep != null) {
out.print(rep);
} else {
out.print(c);
}
}
}
public static String[] splitwords(String text) {
ArrayList<String> words = new ArrayList<String>();
StringBuilder buf = new StringBuilder();
String st = "ws";
int i = 0;
while (i < text.length()) {
char c = text.charAt(i);
if (st == "ws") {
if (!Character.isWhitespace(c)) st = "word";
else i++;
} else if (st == "word") {
if (c == '"') {
st = "quote";
i++;
} else if (c == '\\') {
st = "squote";
i++;
} else if (Character.isWhitespace(c)) {
words.add(buf.toString());
buf = new StringBuilder();
st = "ws";
} else {
buf.append(c);
i++;
}
} else if (st == "quote") {
if (c == '"') {
st = "word";
i++;
} else if (c == '\\') {
st = "sqquote";
i++;
} else {
buf.append(c);
i++;
}
} else if (st == "squote") {
buf.append(c);
i++;
st = "word";
} else if (st == "sqquote") {
buf.append(c);
i++;
st = "quote";
}
}
if (st == "word") words.add(buf.toString());
if ((st != "ws") && (st != "word")) return (null);
return (words.toArray(new String[0]));
}
/** Set the text of an XML element, safely encode it if needed. */
@NotNull
public static Element setSafeXmlText(@NotNull Element element, @NotNull String text) {
final Character first = firstCharacter(text);
final Character last = lastCharacter(text);
if (!StringHelper.isXmlCharacterData(text)
|| first != null && Character.isWhitespace(first)
|| last != null && Character.isWhitespace(last)) {
element.setAttribute("encoding", "base64");
final String encoded = new String(Base64.encodeBase64(text.getBytes()));
element.setText(encoded);
} else {
element.setText(text);
}
return element;
}
// get a list of whitespace separated classnames from a property.
private String[] parseClassNames(String propertyName) {
String hands = getProperty(propertyName);
if (hands == null) {
return new String[0];
}
hands = hands.trim();
int ix = 0;
Vector result = new Vector();
while (ix < hands.length()) {
int end = ix;
while (end < hands.length()) {
if (Character.isWhitespace(hands.charAt(end))) {
break;
}
if (hands.charAt(end) == ',') {
break;
}
end++;
}
String word = hands.substring(ix, end);
ix = end+1;
word = word.trim();
if (word.length() == 0) {
continue;
}
result.add(word);
}
return (String[]) result.toArray(new String[result.size()]);
}
/**
* Returns a cyclified string representation of the given <tt>Object</tt>. Embedded constants are
* prefixed with "#$".
*
* @return a <tt>String</tt> representation in cyclified form.
*/
public static String cyclify(Object obj) {
if (obj == null) {
throw new BaseClientRuntimeException("Cannot cyclify null obj");
} else if (!isCycLObject(obj)) {
throw new BaseClientRuntimeException(
"Cannot cyclify: '" + obj + "' (" + obj.getClass().getName() + ").");
}
if (obj instanceof CycObject) {
return ((CycObject) obj).cyclify();
}
if (obj instanceof String) {
return "\"" + (String) obj + "\"";
}
if (obj instanceof Character) {
// @hack -- do better job of this. Need to support other non-printable characters!!!
Character theChar = (Character) obj;
if (theChar == ' ') {
return "#\\Space";
} else if (theChar == '\n') {
return "#\\Newline";
} else if (theChar == '\r') {
return "#\\Return";
} else if (theChar == '\t') {
return "#\\Tab";
}
if (Character.isWhitespace(theChar)) {
throw new IllegalArgumentException(
"Don't know how to trasmit the whitespace character: " + (int) theChar.charValue());
}
return "#\\" + obj;
}
return obj.toString();
}
public static int makestring(String a, Token b) {
char[] temp = new char[a.length()];
temp = a.toCharArray();
int i = 1;
if (temp[0] == '\'') {
while (Character.isLetter(temp[i])
|| Character.isDigit(temp[i])
|| isoperator(temp[i])
|| ispunc(temp[i])
|| Character.isWhitespace(temp[i])) {
i++;
if (temp[i - 1] == '\'') {
setToken(b, i - 2, a.substring(1, i - 1), LexToInt.string);
return i;
}
if (i == a.length()) {
break;
}
}
if (temp[i - 1] == '\'') {
setToken(b, i - 2, a.substring(1, i - 1), LexToInt.string);
return i;
}
}
return -1;
}
String cleanupSource(String source) {
if (source.isEmpty()) {
return source.concat("\n");
}
int lastChIdx = source.length() - 1;
if (source.charAt(lastChIdx) != '\n') {
// Append a newline at the end
source = source.concat("\n");
} else {
// Remove all newlines at the end but one
while (lastChIdx >= 1) {
Character ch1 = source.charAt(lastChIdx);
if (ch1 == '\n' || Character.isWhitespace(ch1)) {
source = source.substring(0, lastChIdx--);
} else {
break;
}
}
source = source.concat("\n");
}
return source;
}
/** Receive notification of character data inside an element. */
@Override
public void characters(char ch[], int start, int len) {
while (len > 0 && Character.isWhitespace(ch[start])) {
++start;
--len;
}
while (len > 0 && Character.isWhitespace(ch[start + len - 1])) {
--len;
}
if (len > 0) {
if (_chars.length() > 0) {
_chars.append(' ');
}
_chars.append(ch, start, len);
}
}
String[] getArgNames(JNIMethod method) {
int n_args = method.getParameters().size();
if (n_args == 0) return new String[0];
String name = method.getName();
String params = "";
int index = 0;
while (true) {
index = classSource.indexOf(name, index + 1);
if (!Character.isWhitespace(classSource.charAt(index - 1))) continue;
if (index == -1) return null;
int parantesesStart = classSource.indexOf("(", index);
if (classSource.substring(index + name.length(), parantesesStart).trim().length() == 0) {
int parantesesEnd = classSource.indexOf(")", parantesesStart);
params = classSource.substring(parantesesStart + 1, parantesesEnd);
break;
}
}
String[] names = new String[n_args];
StringTokenizer tk = new StringTokenizer(params, ",");
for (int i = 0; i < names.length; i++) {
String s = tk.nextToken().trim();
StringTokenizer tk1 = new StringTokenizer(s, " ");
String s1 = null;
while (tk1.hasMoreTokens()) {
s1 = tk1.nextToken();
}
names[i] = s1.trim();
}
return names;
}
/**
* @ensures: if input file is read, a String is filled with words from file and searched in
* dictionary list, and if found increase words found counter, otherwise increase words not
* found. Otherwise error reading file
*/
public void readFileOliver() {
try {
FileInputStream inf = new FileInputStream(new File("oliver.txt"));
char let;
String str = "";
String key = "";
int n = 0;
while ((n = inf.read()) != -1) {
let = (char) n;
if (Character.isLetter(let)) {
str += Character.toLowerCase(let);
}
if ((Character.isWhitespace(let) || let == '-') && !str.isEmpty()) {
key = str;
str = "";
boolean a = dictionary[(int) key.charAt(0) - 97].contains(key);
if (a == true) {
counter = dictionary[(int) key.charAt(0) - 97].indexOf(key);
counterWFound++;
counterWFCompared += counter;
} else {
counter =
dictionary[(int) key.charAt(0) - 97].indexOf(
dictionary[(int) key.charAt(0) - 97].getLast());
counterWNotFound++;
counterWNFCompared += counter;
}
}
}
inf.close();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Called to parse a double or single quote string.
*
* @return The string parsed.
* @throws IOException If an I/O exception occurs.
*/
protected String parseString() throws IOException {
StringBuilder result = new StringBuilder();
eatWhitespace();
if ("\"\'".indexOf(this.source.peek()) != -1) {
int delim = this.source.read();
while ((this.source.peek() != delim) && (this.source.peek() != -1)) {
if (result.length() > 1000) {
break;
}
int ch = parseSpecialCharacter();
if ((ch == 13) || (ch == 10)) {
continue;
}
result.append((char) ch);
}
if ("\"\'".indexOf(this.source.peek()) != -1) {
this.source.read();
}
} else {
while (!Character.isWhitespace(this.source.peek())
&& (this.source.peek() != -1)
&& (this.source.peek() != '>')) {
result.append(parseSpecialCharacter());
}
}
return result.toString();
}
public static String getRequiredReplName(String text) {
if (text == null) {
return null;
}
String trimmed = text.trim();
if (!trimmed.startsWith("%")) {
return null;
}
// get script head
int scriptHeadIndex = 0;
for (int i = 0; i < trimmed.length(); i++) {
char ch = trimmed.charAt(i);
if (Character.isWhitespace(ch) || ch == '(' || ch == '\n') {
break;
}
scriptHeadIndex = i;
}
if (scriptHeadIndex < 1) {
return null;
}
String head = text.substring(1, scriptHeadIndex + 1);
return head;
}
/**
* Parse any special characters(i.e.  );
*
* @return The character that was parsed.
* @throws IOException If a read error occurs
*/
private char parseSpecialCharacter() throws IOException {
char result = (char) this.source.read();
int advanceBy = 0;
// is there a special character?
if (result == '&') {
int ch = 0;
StringBuilder buffer = new StringBuilder();
// loop through and read special character
do {
ch = this.source.peek(advanceBy++);
if ((ch != '&') && (ch != ';') && !Character.isWhitespace(ch)) {
buffer.append((char) ch);
}
} while ((ch != ';') && (ch != -1) && !Character.isWhitespace(ch));
String b = buffer.toString().trim().toLowerCase();
// did we find a special character?
if (b.length() > 0) {
if (b.charAt(0) == '#') {
try {
result = (char) Integer.parseInt(b.substring(1));
} catch (NumberFormatException e) {
advanceBy = 0;
}
} else {
if (charMap.containsKey(b)) {
result = charMap.get(b);
} else {
advanceBy = 0;
}
}
} else {
advanceBy = 0;
}
}
while (advanceBy > 0) {
read();
advanceBy--;
}
return result;
}
private static boolean hasWhitespace(String string) {
int length = string.length();
for (int i = 0; i < length; i++) {
if (Character.isWhitespace(string.charAt(i))) {
return true;
}
}
return false;
}
public static int[] findspaces(String text) {
java.util.List<Integer> l = new ArrayList<Integer>();
for (int i = 0; i < text.length(); i++) {
char c = text.charAt(i);
if (Character.isWhitespace(c)) l.add(i);
}
int[] ret = new int[l.size()];
for (int i = 0; i < ret.length; i++) ret[i] = l.get(i);
return (ret);
}
private static int getNewIndent(final PsiFile psiFile, final int firstWhitespace) {
final Document document = psiFile.getViewProvider().getDocument();
final int startOffset = document.getLineStartOffset(document.getLineNumber(firstWhitespace));
int endOffset = startOffset;
final CharSequence charsSequence = document.getCharsSequence();
while (Character.isWhitespace(charsSequence.charAt(endOffset++))) ;
final String newIndentStr = charsSequence.subSequence(startOffset, endOffset - 1).toString();
return IndentHelperImpl.getIndent(
psiFile.getProject(), psiFile.getFileType(), newIndentStr, true);
}
/**
* Check to see if the ending tag is present.
*
* @param name The type of end tag being saught.
* @return True if the ending tag was found.
* @throws IOException Thrown if an IO error occurs.
*/
private boolean peekEndTag(String name) throws IOException {
int i = 0;
// pass any whitespace
while ((this.source.peek(i) != -1) && Character.isWhitespace(this.source.peek(i))) {
i++;
}
// is a tag beginning
if (this.source.peek(i) != '<') {
return false;
} else {
i++;
}
// pass any whitespace
while ((this.source.peek(i) != -1) && Character.isWhitespace(this.source.peek(i))) {
i++;
}
// is it an end tag
if (this.source.peek(i) != '/') {
return false;
} else {
i++;
}
// pass any whitespace
while ((this.source.peek(i) != -1) && Character.isWhitespace(this.source.peek(i))) {
i++;
}
// does the name match
for (int j = 0; j < name.length(); j++) {
if (Character.toLowerCase(this.source.peek(i)) != Character.toLowerCase(name.charAt(j))) {
return false;
}
i++;
}
return true;
}
public static int makespace(String a, Token b) {
char[] temp = new char[a.length()];
temp = a.toCharArray();
int i = 0;
if (a.isEmpty()) {
setToken(b, a.length(), "\n", LexToInt.delete);
return a.length();
}
if (Character.isWhitespace(temp[i])) {
while (Character.isWhitespace(temp[i])) {
i++;
if (i == a.length()) {
break;
}
}
setToken(b, i, a.substring(0, i), LexToInt.delete);
return i;
}
return -1;
}
/**
* True if all the elements in the current node are blanks
*
* @return true if all are blanks
* @throws javax.xml.stream.XMLStreamException
*/
private boolean allBlanks() throws XMLStreamException {
boolean res = true;
if (!reader.hasText()) {
return true;
}
String text = reader.getText();
for (int i = 0, limit = text.length(); i < limit; i++) {
res = res && Character.isWhitespace(text.charAt(i));
}
return res;
}
private static String stripTrailing(String s) {
if (s == null) return null;
int lastChar;
int semi;
if ((semi = s.lastIndexOf(';')) < 0) lastChar = s.length() - 1;
else lastChar = semi - 1;
for (int i = lastChar; i >= 0; i--) {
if (!Character.isWhitespace(s.charAt(i))) return s.substring(0, i + 1);
}
return "";
}
private static void autoImport(
@NotNull final PsiFile file, int offset, @NotNull final Editor editor) {
final CharSequence text = editor.getDocument().getCharsSequence();
while (offset > 0 && Character.isJavaIdentifierPart(text.charAt(offset))) offset--;
if (offset <= 0) return;
while (offset > 0 && Character.isWhitespace(text.charAt(offset))) offset--;
if (offset <= 0 || text.charAt(offset) != '.') return;
offset--;
while (offset > 0 && Character.isWhitespace(text.charAt(offset))) offset--;
if (offset <= 0) return;
autoImportReference(
file,
editor,
extractReference(
PsiTreeUtil.findElementOfClassAtOffset(file, offset, PsiExpression.class, false)));
}
/**
* Check whether the given String has actual text. More specifically, returns <code>true</code> if
* the string not <code>null</code>, its length is greater than 0, and it contains at least one
* non-whitespace character.
*
* <p><code>StringUtils.hasText(null) == false<br/>
* StringUtils.hasText("") == false<br/>
* StringUtils.hasText(" ") == false<br/>
* StringUtils.hasText("12345") == true<br/>
* StringUtils.hasText(" 12345 ") == true</code>
*
* <p>
*
* <p>Copied from the Spring Framework while retaining all license, copyright and author
* information.
*
* @param str the String to check (may be <code>null</code>)
* @return <code>true</code> if the String is not <code>null</code>, its length is greater than 0,
* and it does not contain whitespace only
* @see java.lang.Character#isWhitespace
*/
public static boolean hasText(String str) {
if (!hasLength(str)) {
return false;
}
int strLen = str.length();
for (int i = 0; i < strLen; i++) {
if (!Character.isWhitespace(str.charAt(i))) {
return true;
}
}
return false;
}
/**
* Check whether the given CharSequence contains any whitespace characters.
*
* @param str the CharSequence to check (may be {@code null})
* @return {@code true} if the CharSequence is not empty and contains at least 1 whitespace
* character
* @see Character#isWhitespace
*/
public static boolean containsWhitespace(CharSequence str) {
if (!hasLength(str)) {
return false;
}
int strLen = str.length();
for (int i = 0; i < strLen; i++) {
if (Character.isWhitespace(str.charAt(i))) {
return true;
}
}
return false;
}
private static String a(String value, int pos) throws RuntimeException {
LinkedList<Character> chars = new LinkedList<Character>();
int currentPos = pos + 1;
boolean flagQuote = false;
boolean var5 = false;
boolean var6 = false;
for (int i = 0; currentPos < value.length(); ++currentPos) {
char c = value.charAt(currentPos);
if (c == '"') {
if (b(value, currentPos)) {
if (!flagQuote) {
throw new RuntimeException("Illegal use of \\\": " + value);
}
} else {
flagQuote = !flagQuote;
if (flagQuote && !var6) {
var5 = true;
}
if (!flagQuote) {
i = currentPos;
}
}
} else if (!flagQuote) {
if (c != '{' && c != '[') {
if (c == '}' && (chars.isEmpty() || chars.pop() != 123)) {
throw new RuntimeException("Unbalanced curly brackets {}: " + value);
}
if (c == ']' && (chars.isEmpty() || chars.pop() != 91)) {
throw new RuntimeException("Unbalanced square brackets []: " + value);
}
if (c == ',' && chars.isEmpty()) {
return value.substring(0, currentPos);
}
} else {
chars.push(c);
}
}
if (!Character.isWhitespace(c)) {
if (!flagQuote && var5 && i != currentPos) {
return value.substring(0, i + 1);
}
var6 = true;
}
}
return value.substring(0, currentPos);
}
boolean skipSpaces() {
int _c;
do {
_c = getNext();
if (_c == Integer.MIN_VALUE) {
return false;
}
} while (Character.isWhitespace((char) _c));
this.idx--;
return true;
}
/**
* Trim <i>all</i> whitespace from the given String: leading, trailing, and in between characters.
*
* @param str the String to check
* @return the trimmed String
* @see Character#isWhitespace
*/
public static String trimAllWhitespace(String str) {
if (!hasLength(str)) {
return str;
}
int len = str.length();
StringBuilder sb = new StringBuilder(str.length());
for (int i = 0; i < len; i++) {
char c = str.charAt(i);
if (!Character.isWhitespace(c)) {
sb.append(c);
}
}
return sb.toString();
}