Example usage for org.eclipse.jdt.internal.compiler.parser ScannerHelper isJavaIdentifierStart

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.parser ScannerHelper isJavaIdentifierStart.

Prototype

public static boolean isJavaIdentifierStart(char c) 

Source Link

Usage

From source file:com.codenvy.ide.ext.java.server.core.search.SearchPattern.java

License:Open Source License

private static boolean validateCamelCasePattern(String stringPattern) {
    if (stringPattern == null)
        return true;
    // verify sting pattern validity
    int length = stringPattern.length();
    boolean validCamelCase = true;
    boolean lowerCamelCase = false;
    int uppercase = 0;
    for (int i = 0; i < length && validCamelCase; i++) {
        char ch = stringPattern.charAt(i);
        validCamelCase = i == 0 ? ScannerHelper.isJavaIdentifierStart(ch)
                : ScannerHelper.isJavaIdentifierPart(ch);
        // at least one uppercase character is need in CamelCase pattern
        // (see bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=136313)
        if (ScannerHelper.isUpperCase(ch))
            uppercase++;//from w w w .  ja  v a2 s  .c o m
        if (i == 0)
            lowerCamelCase = uppercase == 0;
    }
    if (validCamelCase) {
        validCamelCase = lowerCamelCase ? uppercase > 0 : uppercase > 1;
    }
    return validCamelCase;
}

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From source file:com.codenvy.ide.ext.java.server.internal.core.BinaryMethod.java

License:Open Source License

private boolean isOpenParenForMethod(String javaDoc, String methodName, int index) {
    /*//ww w  .  j a v  a  2 s.com
     * Annotations can have parameters associated with them, so we need to validate that this parameter list is
     * actually for the method. Determine this by scanning backwards from where the paren was seen, skipping over
     * HTML tags to find the identifier that precedes the paren, and then matching that identifier against the
     * method's name.
     */
    boolean scanningTag = false;
    int endIndex = 0;
    while (--index > methodName.length()) {
        char previousChar = javaDoc.charAt(index);
        if (endIndex > 0) {
            if (!ScannerHelper.isJavaIdentifierPart(previousChar)
                    || !ScannerHelper.isJavaIdentifierStart(previousChar))
                return methodName.equals(javaDoc.substring(index + 1, endIndex));
        } else if (!scanningTag) {
            if (previousChar == '>')
                scanningTag = true;
            else if (ScannerHelper.isJavaIdentifierPart(previousChar)
                    || ScannerHelper.isJavaIdentifierStart(previousChar))
                endIndex = index + 1;
        } else if (previousChar == '<')
            // We are only matching angle brackets here, without any other validation of the tags.
            scanningTag = false;
    }
    return false;
}

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