mirror of
https://github.com/revanced/Apktool.git
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StringBlock, AXmlResourceParser: reformat.
This commit is contained in:
Ryszard Wiśniewski
parent
4ced4222f9
commit
20817df69f
File diff suppressed because it is too large
Load Diff
@ -1,242 +1,242 @@
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/*
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* Copyright 2010 Ryszard Wiśniewski <brut.alll@gmail.com>.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* under the License.
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*/
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package brut.androlib.res.decoder;
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import java.io.IOException;
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/**
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* @author Ryszard Wiśniewski <brut.alll@gmail.com>
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* @author Dmitry Skiba
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*
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* Block of strings, used in binary xml and arsc.
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*
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* TODO:
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* - implement get()
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*
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*/
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public class StringBlock {
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/**
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* Reads whole (including chunk type) string block from stream.
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* Stream must be at the chunk type.
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*/
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public static StringBlock read(IntReader reader) throws IOException {
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ChunkUtil.readCheckType(reader, CHUNK_TYPE);
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int chunkSize = reader.readInt();
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int stringCount = reader.readInt();
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int styleOffsetCount = reader.readInt();
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/*?*/ reader.readInt();
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int stringsOffset = reader.readInt();
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int stylesOffset = reader.readInt();
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StringBlock block = new StringBlock();
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block.m_stringOffsets = reader.readIntArray(stringCount);
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if (styleOffsetCount != 0) {
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block.m_styleOffsets = reader.readIntArray(styleOffsetCount);
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}
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{
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int size = ((stylesOffset == 0) ? chunkSize : stylesOffset) - stringsOffset;
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if ((size % 4) != 0) {
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throw new IOException("String data size is not multiple of 4 (" + size + ").");
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}
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block.m_strings = reader.readIntArray(size / 4);
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}
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if (stylesOffset != 0) {
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int size = (chunkSize - stylesOffset);
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if ((size % 4) != 0) {
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throw new IOException("Style data size is not multiple of 4 (" + size + ").");
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}
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block.m_styles = reader.readIntArray(size / 4);
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}
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return block;
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}
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/**
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* Returns number of strings in block.
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*/
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public int getCount() {
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return m_stringOffsets != null
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? m_stringOffsets.length
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: 0;
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}
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/**
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* Returns raw string (without any styling information) at specified index.
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*/
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public String getString(int index) {
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if (index < 0
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|| m_stringOffsets == null
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|| index >= m_stringOffsets.length) {
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return null;
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}
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int offset = m_stringOffsets[index];
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int length = getShort(m_strings, offset);
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StringBuilder result = new StringBuilder(length);
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for (; length != 0; length -= 1) {
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offset += 2;
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result.append((char) getShort(m_strings, offset));
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}
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return result.toString();
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}
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/**
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* Not yet implemented.
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*
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* Returns string with style information (if any).
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*/
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public CharSequence get(int index) {
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return getString(index);
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}
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/**
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* Returns string with style tags (html-like).
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*/
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public String getHTML(int index) {
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String raw = getString(index);
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if (raw == null) {
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return raw;
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}
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int[] style = getStyle(index);
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if (style == null) {
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return raw;
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}
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StringBuilder html = new StringBuilder(raw.length() + 32);
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int offset = 0;
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while (true) {
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int i = -1;
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for (int j = 0; j != style.length; j += 3) {
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if (style[j + 1] == -1) {
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continue;
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}
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if (i == -1 || style[i + 1] > style[j + 1]) {
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i = j;
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}
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}
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int start = ((i != -1) ? style[i + 1] : raw.length());
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for (int j = 0; j != style.length; j += 3) {
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int end = style[j + 2];
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if (end == -1 || end >= start) {
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continue;
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}
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if (offset <= end) {
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html.append(raw, offset, end + 1);
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offset = end + 1;
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}
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style[j + 2] = -1;
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html.append('<');
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html.append('/');
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html.append(getString(style[j]));
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html.append('>');
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}
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if (offset < start) {
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html.append(raw, offset, start);
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offset = start;
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}
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if (i == -1) {
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break;
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}
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html.append('<');
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html.append(getString(style[i]));
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html.append('>');
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style[i + 1] = -1;
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}
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return html.toString();
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}
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/**
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* Finds index of the string.
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* Returns -1 if the string was not found.
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*/
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public int find(String string) {
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if (string == null) {
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return -1;
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}
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for (int i = 0; i != m_stringOffsets.length; ++i) {
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int offset = m_stringOffsets[i];
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int length = getShort(m_strings, offset);
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if (length != string.length()) {
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continue;
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}
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int j = 0;
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for (; j != length; ++j) {
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offset += 2;
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if (string.charAt(j) != getShort(m_strings, offset)) {
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break;
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}
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}
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if (j == length) {
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return i;
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}
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}
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return -1;
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}
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///////////////////////////////////////////// implementation
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private StringBlock() {
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}
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/**
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* Returns style information - array of int triplets,
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* where in each triplet:
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* * first int is index of tag name ('b','i', etc.)
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* * second int is tag start index in string
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* * third int is tag end index in string
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*/
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private int[] getStyle(int index) {
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if (m_styleOffsets == null || m_styles == null
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|| index >= m_styleOffsets.length) {
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return null;
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}
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int offset = m_styleOffsets[index] / 4;
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int style[];
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{
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int count = 0;
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for (int i = offset; i < m_styles.length; ++i) {
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if (m_styles[i] == -1) {
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break;
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}
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count += 1;
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}
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if (count == 0 || (count % 3) != 0) {
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return null;
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}
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style = new int[count];
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}
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for (int i = offset, j = 0; i < m_styles.length;) {
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if (m_styles[i] == -1) {
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break;
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}
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style[j++] = m_styles[i++];
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}
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return style;
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}
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private static final int getShort(int[] array, int offset) {
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int value = array[offset / 4];
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if ((offset % 4) / 2 == 0) {
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return (value & 0xFFFF);
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} else {
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return (value >>> 16);
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}
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}
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private int[] m_stringOffsets;
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private int[] m_strings;
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private int[] m_styleOffsets;
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private int[] m_styles;
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private static final int CHUNK_TYPE = 0x001C0001;
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}
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/*
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* Copyright 2010 Ryszard Wiśniewski <brut.alll@gmail.com>.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* under the License.
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*/
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package brut.androlib.res.decoder;
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import java.io.IOException;
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/**
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* @author Ryszard Wiśniewski <brut.alll@gmail.com>
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* @author Dmitry Skiba
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*
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* Block of strings, used in binary xml and arsc.
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*
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* TODO:
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* - implement get()
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*
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*/
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public class StringBlock {
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/**
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* Reads whole (including chunk type) string block from stream.
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* Stream must be at the chunk type.
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*/
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public static StringBlock read(IntReader reader) throws IOException {
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ChunkUtil.readCheckType(reader, CHUNK_TYPE);
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int chunkSize = reader.readInt();
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int stringCount = reader.readInt();
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int styleOffsetCount = reader.readInt();
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/*?*/ reader.readInt();
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int stringsOffset = reader.readInt();
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int stylesOffset = reader.readInt();
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StringBlock block = new StringBlock();
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block.m_stringOffsets = reader.readIntArray(stringCount);
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if (styleOffsetCount != 0) {
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block.m_styleOffsets = reader.readIntArray(styleOffsetCount);
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}
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{
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int size = ((stylesOffset == 0) ? chunkSize : stylesOffset) - stringsOffset;
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if ((size % 4) != 0) {
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throw new IOException("String data size is not multiple of 4 (" + size + ").");
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}
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block.m_strings = reader.readIntArray(size / 4);
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}
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if (stylesOffset != 0) {
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int size = (chunkSize - stylesOffset);
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if ((size % 4) != 0) {
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throw new IOException("Style data size is not multiple of 4 (" + size + ").");
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}
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block.m_styles = reader.readIntArray(size / 4);
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}
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return block;
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}
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/**
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* Returns number of strings in block.
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*/
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public int getCount() {
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return m_stringOffsets != null
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? m_stringOffsets.length
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: 0;
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}
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/**
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* Returns raw string (without any styling information) at specified index.
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*/
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public String getString(int index) {
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if (index < 0
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|| m_stringOffsets == null
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|| index >= m_stringOffsets.length) {
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return null;
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}
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int offset = m_stringOffsets[index];
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int length = getShort(m_strings, offset);
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StringBuilder result = new StringBuilder(length);
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for (; length != 0; length -= 1) {
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offset += 2;
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result.append((char) getShort(m_strings, offset));
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}
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return result.toString();
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}
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/**
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* Not yet implemented.
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*
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* Returns string with style information (if any).
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*/
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public CharSequence get(int index) {
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return getString(index);
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}
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/**
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* Returns string with style tags (html-like).
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*/
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public String getHTML(int index) {
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String raw = getString(index);
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if (raw == null) {
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return raw;
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}
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int[] style = getStyle(index);
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if (style == null) {
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return raw;
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}
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StringBuilder html = new StringBuilder(raw.length() + 32);
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int offset = 0;
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while (true) {
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int i = -1;
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for (int j = 0; j != style.length; j += 3) {
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if (style[j + 1] == -1) {
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continue;
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}
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if (i == -1 || style[i + 1] > style[j + 1]) {
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i = j;
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}
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}
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int start = ((i != -1) ? style[i + 1] : raw.length());
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for (int j = 0; j != style.length; j += 3) {
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int end = style[j + 2];
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if (end == -1 || end >= start) {
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continue;
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}
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if (offset <= end) {
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html.append(raw, offset, end + 1);
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offset = end + 1;
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}
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style[j + 2] = -1;
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html.append('<');
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html.append('/');
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html.append(getString(style[j]));
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html.append('>');
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}
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if (offset < start) {
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html.append(raw, offset, start);
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offset = start;
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}
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if (i == -1) {
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break;
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}
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html.append('<');
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html.append(getString(style[i]));
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html.append('>');
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style[i + 1] = -1;
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}
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return html.toString();
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}
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/**
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* Finds index of the string.
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* Returns -1 if the string was not found.
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*/
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public int find(String string) {
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if (string == null) {
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return -1;
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}
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for (int i = 0; i != m_stringOffsets.length; ++i) {
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int offset = m_stringOffsets[i];
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int length = getShort(m_strings, offset);
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if (length != string.length()) {
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continue;
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}
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int j = 0;
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for (; j != length; ++j) {
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offset += 2;
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if (string.charAt(j) != getShort(m_strings, offset)) {
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break;
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}
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}
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if (j == length) {
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return i;
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}
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}
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return -1;
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}
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///////////////////////////////////////////// implementation
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private StringBlock() {
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}
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/**
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* Returns style information - array of int triplets,
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* where in each triplet:
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* * first int is index of tag name ('b','i', etc.)
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* * second int is tag start index in string
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* * third int is tag end index in string
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*/
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private int[] getStyle(int index) {
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if (m_styleOffsets == null || m_styles == null
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|| index >= m_styleOffsets.length) {
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return null;
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}
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int offset = m_styleOffsets[index] / 4;
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int style[];
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{
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int count = 0;
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for (int i = offset; i < m_styles.length; ++i) {
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if (m_styles[i] == -1) {
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break;
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}
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count += 1;
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}
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if (count == 0 || (count % 3) != 0) {
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return null;
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}
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style = new int[count];
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}
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for (int i = offset, j = 0; i < m_styles.length;) {
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if (m_styles[i] == -1) {
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break;
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}
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style[j++] = m_styles[i++];
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}
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return style;
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}
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private static final int getShort(int[] array, int offset) {
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int value = array[offset / 4];
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if ((offset % 4) / 2 == 0) {
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return (value & 0xFFFF);
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} else {
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return (value >>> 16);
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}
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}
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private int[] m_stringOffsets;
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private int[] m_strings;
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private int[] m_styleOffsets;
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private int[] m_styles;
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private static final int CHUNK_TYPE = 0x001C0001;
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}
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