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StringBlock, AXmlResourceParser: reformat.

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Ryszard Wiśniewski 2010-03-23 12:15:39 +01:00
parent 4ced4222f9
commit 20817df69f
2 changed files with 1149 additions and 1149 deletions
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1814
src/brut/androlib/res/decoder/AXmlResourceParser.java
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484
src/brut/androlib/res/decoder/StringBlock.java
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@ -1,242 +1,242 @@
/* /*
* Copyright 2010 Ryszard Wiśniewski <brut.alll@gmail.com>. * Copyright 2010 Ryszard Wiśniewski <brut.alll@gmail.com>.
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
* You may obtain a copy of the License at * You may obtain a copy of the License at
* *
* http://www.apache.org/licenses/LICENSE-2.0 * http://www.apache.org/licenses/LICENSE-2.0
* *
* Unless required by applicable law or agreed to in writing, software * Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, * distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License. * limitations under the License.
* under the License. * under the License.
*/ */
package brut.androlib.res.decoder; package brut.androlib.res.decoder;
import java.io.IOException; import java.io.IOException;
/** /**
* @author Ryszard Wiśniewski <brut.alll@gmail.com> * @author Ryszard Wiśniewski <brut.alll@gmail.com>
* @author Dmitry Skiba * @author Dmitry Skiba
* *
* Block of strings, used in binary xml and arsc. * Block of strings, used in binary xml and arsc.
* *
* TODO: * TODO:
* - implement get() * - implement get()
* *
*/ */
public class StringBlock { public class StringBlock {
/** /**
* Reads whole (including chunk type) string block from stream. * Reads whole (including chunk type) string block from stream.
* Stream must be at the chunk type. * Stream must be at the chunk type.
*/ */
public static StringBlock read(IntReader reader) throws IOException { public static StringBlock read(IntReader reader) throws IOException {
ChunkUtil.readCheckType(reader, CHUNK_TYPE); ChunkUtil.readCheckType(reader, CHUNK_TYPE);
int chunkSize = reader.readInt(); int chunkSize = reader.readInt();
int stringCount = reader.readInt(); int stringCount = reader.readInt();
int styleOffsetCount = reader.readInt(); int styleOffsetCount = reader.readInt();
/*?*/ reader.readInt(); /*?*/ reader.readInt();
int stringsOffset = reader.readInt(); int stringsOffset = reader.readInt();
int stylesOffset = reader.readInt(); int stylesOffset = reader.readInt();
StringBlock block = new StringBlock(); StringBlock block = new StringBlock();
block.m_stringOffsets = reader.readIntArray(stringCount); block.m_stringOffsets = reader.readIntArray(stringCount);
if (styleOffsetCount != 0) { if (styleOffsetCount != 0) {
block.m_styleOffsets = reader.readIntArray(styleOffsetCount); block.m_styleOffsets = reader.readIntArray(styleOffsetCount);
} }
{ {
int size = ((stylesOffset == 0) ? chunkSize : stylesOffset) - stringsOffset; int size = ((stylesOffset == 0) ? chunkSize : stylesOffset) - stringsOffset;
if ((size % 4) != 0) { if ((size % 4) != 0) {
throw new IOException("String data size is not multiple of 4 (" + size + ")."); throw new IOException("String data size is not multiple of 4 (" + size + ").");
} }
block.m_strings = reader.readIntArray(size / 4); block.m_strings = reader.readIntArray(size / 4);
} }
if (stylesOffset != 0) { if (stylesOffset != 0) {
int size = (chunkSize - stylesOffset); int size = (chunkSize - stylesOffset);
if ((size % 4) != 0) { if ((size % 4) != 0) {
throw new IOException("Style data size is not multiple of 4 (" + size + ")."); throw new IOException("Style data size is not multiple of 4 (" + size + ").");
} }
block.m_styles = reader.readIntArray(size / 4); block.m_styles = reader.readIntArray(size / 4);
} }
return block; return block;
} }
/** /**
* Returns number of strings in block. * Returns number of strings in block.
*/ */
public int getCount() { public int getCount() {
return m_stringOffsets != null return m_stringOffsets != null
? m_stringOffsets.length ? m_stringOffsets.length
: 0; : 0;
} }
/** /**
* Returns raw string (without any styling information) at specified index. * Returns raw string (without any styling information) at specified index.
*/ */
public String getString(int index) { public String getString(int index) {
if (index < 0 if (index < 0
|| m_stringOffsets == null || m_stringOffsets == null
|| index >= m_stringOffsets.length) { || index >= m_stringOffsets.length) {
return null; return null;
} }
int offset = m_stringOffsets[index]; int offset = m_stringOffsets[index];
int length = getShort(m_strings, offset); int length = getShort(m_strings, offset);
StringBuilder result = new StringBuilder(length); StringBuilder result = new StringBuilder(length);
for (; length != 0; length -= 1) { for (; length != 0; length -= 1) {
offset += 2; offset += 2;
result.append((char) getShort(m_strings, offset)); result.append((char) getShort(m_strings, offset));
} }
return result.toString(); return result.toString();
} }
/** /**
* Not yet implemented. * Not yet implemented.
* *
* Returns string with style information (if any). * Returns string with style information (if any).
*/ */
public CharSequence get(int index) { public CharSequence get(int index) {
return getString(index); return getString(index);
} }
/** /**
* Returns string with style tags (html-like). * Returns string with style tags (html-like).
*/ */
public String getHTML(int index) { public String getHTML(int index) {
String raw = getString(index); String raw = getString(index);
if (raw == null) { if (raw == null) {
return raw; return raw;
} }
int[] style = getStyle(index); int[] style = getStyle(index);
if (style == null) { if (style == null) {
return raw; return raw;
} }
StringBuilder html = new StringBuilder(raw.length() + 32); StringBuilder html = new StringBuilder(raw.length() + 32);
int offset = 0; int offset = 0;
while (true) { while (true) {
int i = -1; int i = -1;
for (int j = 0; j != style.length; j += 3) { for (int j = 0; j != style.length; j += 3) {
if (style[j + 1] == -1) { if (style[j + 1] == -1) {
continue; continue;
} }
if (i == -1 || style[i + 1] > style[j + 1]) { if (i == -1 || style[i + 1] > style[j + 1]) {
i = j; i = j;
} }
} }
int start = ((i != -1) ? style[i + 1] : raw.length()); int start = ((i != -1) ? style[i + 1] : raw.length());
for (int j = 0; j != style.length; j += 3) { for (int j = 0; j != style.length; j += 3) {
int end = style[j + 2]; int end = style[j + 2];
if (end == -1 || end >= start) { if (end == -1 || end >= start) {
continue; continue;
} }
if (offset <= end) { if (offset <= end) {
html.append(raw, offset, end + 1); html.append(raw, offset, end + 1);
offset = end + 1; offset = end + 1;
} }
style[j + 2] = -1; style[j + 2] = -1;
html.append('<'); html.append('<');
html.append('/'); html.append('/');
html.append(getString(style[j])); html.append(getString(style[j]));
html.append('>'); html.append('>');
} }
if (offset < start) { if (offset < start) {
html.append(raw, offset, start); html.append(raw, offset, start);
offset = start; offset = start;
} }
if (i == -1) { if (i == -1) {
break; break;
} }
html.append('<'); html.append('<');
html.append(getString(style[i])); html.append(getString(style[i]));
html.append('>'); html.append('>');
style[i + 1] = -1; style[i + 1] = -1;
} }
return html.toString(); return html.toString();
} }
/** /**
* Finds index of the string. * Finds index of the string.
* Returns -1 if the string was not found. * Returns -1 if the string was not found.
*/ */
public int find(String string) { public int find(String string) {
if (string == null) { if (string == null) {
return -1; return -1;
} }
for (int i = 0; i != m_stringOffsets.length; ++i) { for (int i = 0; i != m_stringOffsets.length; ++i) {
int offset = m_stringOffsets[i]; int offset = m_stringOffsets[i];
int length = getShort(m_strings, offset); int length = getShort(m_strings, offset);
if (length != string.length()) { if (length != string.length()) {
continue; continue;
} }
int j = 0; int j = 0;
for (; j != length; ++j) { for (; j != length; ++j) {
offset += 2; offset += 2;
if (string.charAt(j) != getShort(m_strings, offset)) { if (string.charAt(j) != getShort(m_strings, offset)) {
break; break;
} }
} }
if (j == length) { if (j == length) {
return i; return i;
} }
} }
return -1; return -1;
} }
///////////////////////////////////////////// implementation ///////////////////////////////////////////// implementation
private StringBlock() { private StringBlock() {
} }
/** /**
* Returns style information - array of int triplets, * Returns style information - array of int triplets,
* where in each triplet: * where in each triplet:
* * first int is index of tag name ('b','i', etc.) * * first int is index of tag name ('b','i', etc.)
* * second int is tag start index in string * * second int is tag start index in string
* * third int is tag end index in string * * third int is tag end index in string
*/ */
private int[] getStyle(int index) { private int[] getStyle(int index) {
if (m_styleOffsets == null || m_styles == null if (m_styleOffsets == null || m_styles == null
|| index >= m_styleOffsets.length) { || index >= m_styleOffsets.length) {
return null; return null;
} }
int offset = m_styleOffsets[index] / 4; int offset = m_styleOffsets[index] / 4;
int style[]; int style[];
{ {
int count = 0; int count = 0;
for (int i = offset; i < m_styles.length; ++i) { for (int i = offset; i < m_styles.length; ++i) {
if (m_styles[i] == -1) { if (m_styles[i] == -1) {
break; break;
} }
count += 1; count += 1;
} }
if (count == 0 || (count % 3) != 0) { if (count == 0 || (count % 3) != 0) {
return null; return null;
} }
style = new int[count]; style = new int[count];
} }
for (int i = offset, j = 0; i < m_styles.length;) { for (int i = offset, j = 0; i < m_styles.length;) {
if (m_styles[i] == -1) { if (m_styles[i] == -1) {
break; break;
} }
style[j++] = m_styles[i++]; style[j++] = m_styles[i++];
} }
return style; return style;
} }
private static final int getShort(int[] array, int offset) { private static final int getShort(int[] array, int offset) {
int value = array[offset / 4]; int value = array[offset / 4];
if ((offset % 4) / 2 == 0) { if ((offset % 4) / 2 == 0) {
return (value & 0xFFFF); return (value & 0xFFFF);
} else { } else {
return (value >>> 16); return (value >>> 16);
} }
} }
private int[] m_stringOffsets; private int[] m_stringOffsets;
private int[] m_strings; private int[] m_strings;
private int[] m_styleOffsets; private int[] m_styleOffsets;
private int[] m_styles; private int[] m_styles;
private static final int CHUNK_TYPE = 0x001C0001; private static final int CHUNK_TYPE = 0x001C0001;
} }