Example usage for java.lang CharSequence charAt

List of usage examples for java.lang CharSequence charAt

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Introduction

In this page you can find the example usage for java.lang CharSequence charAt.

Prototype

char charAt(int index);

Source Link

Document

Returns the char value at the specified index.

Usage

From source file:com.healthmarketscience.jackcess.Column.java

/**
 * Returns {@code true} if the given text can be compressed using simple
 * ASCII encoding, {@code false} otherwise.
 *///  w w w  .ja  v a  2s  .  co  m
private static boolean isAsciiCompressible(CharSequence text) {
    // only attempt to compress > 2 chars (compressing less than 3 chars would
    // not result in a space savings due to the 2 byte compression header)
    if (text.length() <= TEXT_COMPRESSION_HEADER.length) {
        return false;
    }
    // now, see if it is all printable ASCII
    for (int i = 0; i < text.length(); ++i) {
        char c = text.charAt(i);
        if (!Compress.isAsciiCrLfOrTab(c)) {
            return false;
        }
    }
    return true;
}

From source file:com.google.dart.tools.ui.internal.text.dart.DartAutoIndentStrategy_NEW.java

/**
 * Computes the difference of two indentations and returns the difference in length of current and
 * correct. If the return value is positive, <code>addition</code> is initialized with a substring
 * of that length of <code>correct</code>.
 * //from  w  ww  .  ja  va  2 s .c  om
 * @param correct the correct indentation
 * @param current the current indentation (might contain non-whitespace)
 * @param difference a string buffer - if the return value is positive, it will be cleared and set
 *          to the substring of <code>current</code> of that length
 * @param tabLength the length of a tab
 * @return the difference in length of <code>correct</code> and <code>current</code>
 */
private int subtractIndent(CharSequence correct, CharSequence current, StringBuffer difference, int tabLength) {
    int c1 = computeVisualLength(correct, tabLength);
    int c2 = computeVisualLength(current, tabLength);
    int diff = c1 - c2;
    if (diff <= 0) {
        return diff;
    }

    difference.setLength(0);
    int len = 0, i = 0;
    while (len < diff) {
        char c = correct.charAt(i++);
        difference.append(c);
        len += computeVisualLength(c, tabLength);
    }

    return diff;
}

From source file:cn.sinobest.jzpt.framework.utils.string.StringUtils.java

/**
 * HTML//from  w w  w. j  ava 2  s . com
 */
public static CharSequence escapeHtml(CharSequence s, boolean unicode) {
    if (unicode)
        return StringEscapeUtils.escapeHtml3(s.toString());
    StringBuilder sb = new StringBuilder(s.length() + 16);
    for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);
        int n = htmlEscEntities.indexOf(c);
        if (n > -1) {
            sb.append(htmlEscapeSequence[n]);
        } else {
            sb.append(c);
        }
    }
    return sb.length() == s.length() ? s : sb.toString();// string
}

From source file:com.appeaser.sublimepickerlibrary.timepicker.SublimeTimePicker.java

/**
 * Get the keycode value for AM and PM in the current language.
 *//* w w  w.j  a va2s  .c  om*/
private int getAmOrPmKeyCode(int amOrPm) {
    // Cache the codes.
    if (mAmKeyCode == -1 || mPmKeyCode == -1) {
        // Find the first character in the AM/PM text that is unique.
        final KeyCharacterMap kcm = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
        final CharSequence amText = mAmText.toLowerCase(mCurrentLocale);
        final CharSequence pmText = mPmText.toLowerCase(mCurrentLocale);
        final int N = Math.min(amText.length(), pmText.length());
        for (int i = 0; i < N; i++) {
            final char amChar = amText.charAt(i);
            final char pmChar = pmText.charAt(i);
            if (amChar != pmChar) {
                // There should be 4 events: a down and up for both AM and PM.
                final KeyEvent[] events = kcm.getEvents(new char[] { amChar, pmChar });
                if (events != null && events.length == 4) {
                    mAmKeyCode = events[0].getKeyCode();
                    mPmKeyCode = events[2].getKeyCode();
                } else {
                    Log.e(TAG, "Unable to find keycodes for AM and PM.");
                }
                break;
            }
        }
    }

    if (amOrPm == AM) {
        return mAmKeyCode;
    } else if (amOrPm == PM) {
        return mPmKeyCode;
    }

    return -1;
}

From source file:com.github.irshulx.Components.InputExtensions.java

public CustomEditText getNewEditTextInst(final String hint, CharSequence text) {
    final CustomEditText editText = new CustomEditText(
            new ContextThemeWrapper(this.editorCore.getContext(), R.style.WysiwygEditText));
    addEditableStyling(editText);//ww w.  j  a va  2 s.  c  o m
    editText.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
            ViewGroup.LayoutParams.WRAP_CONTENT));
    if (hint != null) {
        editText.setHint(hint);
    }
    if (text != null) {
        setText(editText, text);
    }

    /**
     * create tag for the editor
     */

    EditorControl editorTag = editorCore.createTag(EditorType.INPUT);
    editorTag.textSettings = new TextSettings(this.DEFAULT_TEXT_COLOR);
    editText.setTag(editorTag);
    editText.setBackgroundDrawable(
            ContextCompat.getDrawable(this.editorCore.getContext(), R.drawable.invisible_edit_text));
    editText.setOnKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            return editorCore.onKey(v, keyCode, event, editText);
        }
    });
    editText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
        @Override
        public void onFocusChange(View v, boolean hasFocus) {
            if (!hasFocus) {
                editText.clearFocus();
            } else {
                editorCore.setActiveView(v);
            }
        }
    });
    editText.addTextChangedListener(new TextWatcher() {
        @Override
        public void onTextChanged(CharSequence s, int start, int before, int count) {
        }

        @Override
        public void beforeTextChanged(CharSequence s, int start, int count, int after) {
        }

        @Override
        public void afterTextChanged(Editable s) {

            String text = Html.toHtml(editText.getText());
            Object tag = editText.getTag(R.id.control_tag);
            if (s.length() == 0 && tag != null)
                editText.setHint(tag.toString());
            if (s.length() > 0) {
                /*
                 * if user had pressed enter, replace it with br
                 */
                for (int i = 0; i < s.length(); i++) {
                    if (s.charAt(i) == '\n') {
                        CharSequence subChars = s.subSequence(0, i);
                        SpannableStringBuilder ssb = new SpannableStringBuilder(subChars);
                        text = Html.toHtml(ssb);
                        if (text.length() > 0)
                            setText(editText, text);

                        if (i + 1 == s.length()) {
                            s.clear();
                        }

                        int index = editorCore.getParentView().indexOfChild(editText);
                        /* if the index was 0, set the placeholder to empty, behaviour happens when the user just press enter
                         */
                        if (index == 0) {
                            editText.setHint(null);
                            editText.setTag(R.id.control_tag, hint);
                        }
                        int position = index + 1;
                        CharSequence newText = null;
                        SpannableStringBuilder editable = new SpannableStringBuilder();
                        int lastIndex = s.length();
                        int nextIndex = i + 1;
                        if (nextIndex < lastIndex) {
                            newText = s.subSequence(nextIndex, lastIndex);
                            for (int j = 0; j < newText.length(); j++) {
                                editable.append(newText.charAt(j));
                                if (newText.charAt(j) == '\n') {
                                    editable.append('\n');
                                }
                            }
                        }
                        insertEditText(position, hint, editable);
                        break;
                    }
                }
            }
            if (editorCore.getEditorListener() != null) {
                editorCore.getEditorListener().onTextChanged(editText, s);
            }
        }
    });
    if (this.lineSpacing != -1) {
        setLineSpacing(editText, this.lineSpacing);
    }
    return editText;
}

From source file:com.xperia64.rompatcher.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    staticThis = MainActivity.this;

    setContentView(R.layout.main);//from   ww  w .  ja  v a 2  s  . c  om
    // Load native libraries
    try {
        System.loadLibrary("apsn64patcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab apspatcher!");
    }
    try {
        System.loadLibrary("ipspatcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab ipspatcher!");
    }
    try {
        System.loadLibrary("ipspatcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab ipspatcher!");
    }
    try {
        System.loadLibrary("upspatcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab upspatcher!");
    }
    try {
        System.loadLibrary("xdelta3patcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab xdelta3patcher!");
    }
    try {
        System.loadLibrary("bpspatcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab bpspatcher!");
    }
    try {
        System.loadLibrary("bzip2");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab bzip2!");
    }
    try {
        System.loadLibrary("bsdiffpatcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab bsdiffpatcher!");
    }
    try {
        System.loadLibrary("ppfpatcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab ppfpatcher!");
    }
    try {
        System.loadLibrary("ips32patcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab ips32patcher!");
    }
    try {
        System.loadLibrary("glib-2.0");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab glib-2.0!");
    }
    try {
        System.loadLibrary("gmodule-2.0");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab gmodule-2.0!");
    }
    try {
        System.loadLibrary("edsio");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab edsio!");
    }
    try {
        System.loadLibrary("xdelta1patcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab ips32patcher!");
    }
    try {
        System.loadLibrary("ips32patcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab ips32patcher!");
    }
    try {
        System.loadLibrary("ecmpatcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab ecmpatcher!");
    }
    try {
        System.loadLibrary("dpspatcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab dpspatcher!");
    }
    try {
        System.loadLibrary("dldipatcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab dldipatcher!");
    }
    try {
        System.loadLibrary("xpcpatcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab xpcpatcher!");
    }
    try {
        System.loadLibrary("asarpatcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab asarpatcher!");
    }
    try {
        System.loadLibrary("asmpatcher");
    } catch (UnsatisfiedLinkError e) {
        Log.e("Bad:", "Cannot grab asmpatcher!");
    }
    c = (CheckBox) findViewById(R.id.backupCheckbox);
    d = (CheckBox) findViewById(R.id.altNameCheckbox);
    r = (CheckBox) findViewById(R.id.ignoreCRC);
    e = (CheckBox) findViewById(R.id.fileExtCheckbox);
    ed = (EditText) findViewById(R.id.txtOutFile);

    final Button romButton = (Button) findViewById(R.id.romButton);
    romButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            Globals.mode = true;
            Intent intent = new Intent(staticThis, FileBrowserActivity.class);
            intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
            startActivityForResult(intent, 1);

        }
    });
    final Button patchButton = (Button) findViewById(R.id.patchButton);
    patchButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            Globals.mode = false;
            Intent intent = new Intent(staticThis, FileBrowserActivity.class);
            intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
            startActivityForResult(intent, 1);
        }
    });
    final ImageButton bkHelp = (ImageButton) findViewById(R.id.backupHelp);
    bkHelp.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            AlertDialog dialog = new AlertDialog.Builder(staticThis).create();
            dialog.setTitle(getResources().getString(R.string.bkup_rom));
            dialog.setMessage(getResources().getString(R.string.bkup_rom_desc));
            dialog.setCancelable(true);
            dialog.setButton(DialogInterface.BUTTON_POSITIVE, getResources().getString(android.R.string.ok),
                    new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int buttonId) {

                        }
                    });
            dialog.show();
        }
    });
    final ImageButton altNameHelp = (ImageButton) findViewById(R.id.outfileHelp);
    altNameHelp.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            AlertDialog dialog = new AlertDialog.Builder(staticThis).create();
            dialog.setTitle(getResources().getString(R.string.rename1));
            dialog.setMessage(getResources().getString(R.string.rename_desc));
            dialog.setCancelable(true);
            dialog.setButton(DialogInterface.BUTTON_POSITIVE, getResources().getString(android.R.string.ok),
                    new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int buttonId) {

                        }
                    });
            dialog.show();
        }
    });
    final ImageButton chkHelp = (ImageButton) findViewById(R.id.ignoreHelp);
    chkHelp.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            AlertDialog dialog = new AlertDialog.Builder(staticThis).create();
            dialog.setTitle(getResources().getString(R.string.ignoreChks));
            dialog.setMessage(getResources().getString(R.string.ignoreChks_desc));
            dialog.setCancelable(true);
            dialog.setButton(DialogInterface.BUTTON_POSITIVE, getResources().getString(android.R.string.ok),
                    new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int buttonId) {

                        }
                    });
            dialog.show();
        }
    });

    InputFilter filter = new InputFilter() {
        public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart,
                int dend) {
            for (int i = start; i < end; i++) {
                String IC = "*/*\n*\r*\t*\0*\f*`*?***\\*<*>*|*\"*:*";
                if (IC.contains("*" + source.charAt(i) + "*")) {
                    return "";
                }
            }
            return null;
        }
    };
    ed.setFilters(new InputFilter[] { filter });
    c.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            if (((CheckBox) v).isChecked()) {
                d.setEnabled(true);
                if (d.isChecked()) {
                    ed.setEnabled(true);
                    e.setEnabled(true);
                }
            } else {
                d.setEnabled(false);
                ed.setEnabled(false);
                e.setEnabled(false);
            }
        }
    });
    d.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            if (((CheckBox) v).isChecked()) {
                ed.setEnabled(true);
                e.setEnabled(true);
            } else {
                e.setEnabled(false);
                ed.setEnabled(false);
            }
        }
    });
    final Button applyButton = (Button) findViewById(R.id.applyPatch);
    applyButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            // Warn about patching archives.
            if (Globals.fileToPatch.toLowerCase(Locale.US).endsWith(".7z")
                    || Globals.fileToPatch.toLowerCase(Locale.US).endsWith(".zip")
                    || Globals.fileToPatch.toLowerCase(Locale.US).endsWith(".rar")) {
                AlertDialog dialog = new AlertDialog.Builder(staticThis).create();
                dialog.setTitle(getResources().getString(R.string.warning));
                dialog.setMessage(getResources().getString(R.string.zip_warning_desc));
                dialog.setCancelable(false);
                dialog.setButton(DialogInterface.BUTTON_POSITIVE,
                        getResources().getString(android.R.string.yes), new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int buttonId) {

                                patchCheck();
                            }
                        });
                dialog.setButton(DialogInterface.BUTTON_NEGATIVE,
                        getResources().getString(android.R.string.cancel),
                        new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int buttonId) {
                                Toast t = Toast.makeText(staticThis, getResources().getString(R.string.nopatch),
                                        Toast.LENGTH_SHORT);
                                t.show();

                            }
                        });
                dialog.show();
            } else {
                patchCheck();
            }

        }
    });
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        // Uggh.
        requestPermissions();
    }
}

From source file:net.sf.xfd.provider.ProviderBase.java

public String getTypeFast(@CanonPath String path, String name, Stat stat) throws FileNotFoundException {
    if ("/".equals(path)) {
        return MIME_TYPE_DIR;
    }/*  ww w.j a va  2s  .c om*/

    final OS os = getOS();
    if (os == null) {
        return DEFAULT_MIME;
    }

    try {
        @Fd
        int fd = Fd.NIL;

        @DirFd
        int parentFd = os.opendir(extractParent(path));
        try {
            int flags = 0;

            if (!os.faccessat(parentFd, name, OS.F_OK)) {
                flags = OS.AT_SYMLINK_NOFOLLOW;
            }

            os.fstatat(parentFd, name, stat, flags);

            if (stat.type == null) {
                return DEFAULT_MIME;
            }

            switch (stat.type) {
            case LINK:
                return LINK_MIME;
            case DIRECTORY:
                return MIME_TYPE_DIR;
            case CHAR_DEV:
                return CHAR_DEV_MIME;
            default:
            }

            final String extension = getExtensionFast(name);

            final MimeTypeMap mimeMap = MimeTypeMap.getSingleton();

            final String foundMime = mimeMap.getMimeTypeFromExtension(extension);
            if (foundMime != null) {
                return foundMime;
            }

            final boolean canSniffContent = stat.type == FsType.FILE
                    && (stat.st_size != 0 || isPossiblySpecial(stat));

            if (flags == 0) {
                os.fstatat(parentFd, name, stat, OS.AT_SYMLINK_NOFOLLOW);

                if (stat.type == FsType.LINK) {
                    CharSequence resolved = null;

                    if (canSniffContent) {
                        try {
                            fd = os.openat(parentFd, name, OS.O_RDONLY, 0);

                            resolved = os.readlinkat(DirFd.NIL, fdPath(fd));
                        } catch (IOException ioe) {
                            LogUtil.logCautiously("Unable to open target of " + name, ioe);
                        }
                    }

                    if (resolved == null) {
                        resolved = os.readlinkat(parentFd, name);

                        if (resolved.charAt(0) == '/') {
                            resolved = canonString(resolved);
                        }
                    }

                    final String linkTargetExtension = getExtensionFromPath(resolved);

                    if (linkTargetExtension != null && !linkTargetExtension.equals(extension)) {
                        final String sortaFastMime = mimeMap.getMimeTypeFromExtension(linkTargetExtension);
                        if (sortaFastMime != null) {
                            return sortaFastMime;
                        }
                    }
                }
            }

            if (canSniffContent) {
                if (fd < 0) {
                    fd = os.openat(parentFd, name, OS.O_RDONLY, 0);
                }

                final String contentInfo = magic.guessMime(fd);

                if (contentInfo != null) {
                    return contentInfo;
                }
            }

            switch (stat.type) {
            case LINK:
                return LINK_MIME;
            case DOMAIN_SOCKET:
                return SOCK_MIME;
            case NAMED_PIPE:
                return FIFO_MIME;
            case FILE:
                if (stat.st_size == 0) {
                    return EMPTY_MIME;
                }
            default:
                return DEFAULT_MIME;
            }
        } finally {
            if (fd > 0) {
                os.dispose(fd);
            }

            os.dispose(parentFd);
        }
    } catch (IOException e) {
        LogUtil.logCautiously("Encountered IO error during mime sniffing", e);

        throw new FileNotFoundException("Failed to stat " + name);
    }
}

From source file:jef.tools.StringUtils.java

/**
 * HTML//from  w  w w  .  j  a v a2 s. co  m
 */
public static CharSequence escapeHtml(CharSequence s, boolean unicode) {
    if (unicode)
        return StringEscapeUtils.escapeHtml(s.toString());
    StringBuilder sb = new StringBuilder(s.length() + 16);
    for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);
        int n = htmlEscEntities.indexOf(c);
        if (n > -1) {
            sb.append(htmlEscapeSequence[n]);
        } else {
            sb.append(c);
        }
    }
    return sb.length() == s.length() ? s : sb.toString();// ??string?
}

From source file:com.jecelyin.editor.v2.core.text.TextUtils.java

public static int indexOf(CharSequence s, char ch, int start, int end) {
    Class<? extends CharSequence> c = s.getClass();

    if (s instanceof GetChars || c == StringBuffer.class || c == StringBuilder.class || c == String.class) {
        final int INDEX_INCREMENT = 500;
        char[] temp = obtain(INDEX_INCREMENT);

        while (start < end) {
            int segend = start + INDEX_INCREMENT;
            if (segend > end)
                segend = end;/*from w  ww  .j a  v a 2s . com*/

            getChars(s, start, segend, temp, 0);

            int count = segend - start;
            for (int i = 0; i < count; i++) {
                if (temp[i] == ch) {
                    recycle(temp);
                    return i + start;
                }
            }

            start = segend;
        }

        recycle(temp);
        return -1;
    }

    for (int i = start; i < end; i++)
        if (s.charAt(i) == ch)
            return i;

    return -1;
}

From source file:com.android.talkback.SpeechController.java

/**
 * Spells the text.//from  w  w  w  .  j  a v  a  2s .com
 */
public boolean spellUtterance(CharSequence text) {
    if (TextUtils.isEmpty(text)) {
        return false;
    }

    final SpannableStringBuilder builder = new SpannableStringBuilder();

    for (int i = 0; i < text.length(); i++) {
        final String cleanedChar = SpeechCleanupUtils.getCleanValueFor(mService, text.charAt(i));

        StringBuilderUtils.appendWithSeparator(builder, cleanedChar);
    }

    speak(builder, null, null, QUEUE_MODE_FLUSH_ALL, UTTERANCE_GROUP_DEFAULT, FeedbackItem.FLAG_NO_HISTORY,
            null, null, null);
    return true;
}