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/*
* Copyright 2012, Google LLC
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google LLC nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.android.tools.smali.util;
import com.android.tools.smali.dexlib2.formatter.DexFormattedWriter;
import java.io.IOException;
import java.io.Writer;
public class StringUtils {
/**
* @deprecated Use {@link com.android.tools.smali.baksmali.formatter.BaksmaliWriter#writeCharEncodedValue}
*/
@Deprecated
public static void writeEscapedChar(Writer writer, char c) throws IOException {
if ((c >= ' ') && (c < 0x7f)) {
if ((c == '\'') || (c == '\"') || (c == '\\')) {
writer.write('\\');
}
writer.write(c);
return;
} else if (c <= 0x7f) {
switch (c) {
case '\n': writer.write("\\n"); return;
case '\r': writer.write("\\r"); return;
case '\t': writer.write("\\t"); return;
}
}
writer.write("\\u");
writer.write(Character.forDigit(c >> 12, 16));
writer.write(Character.forDigit((c >> 8) & 0x0f, 16));
writer.write(Character.forDigit((c >> 4) & 0x0f, 16));
writer.write(Character.forDigit(c & 0x0f, 16));
}
/**
* @deprecated Use {@link DexFormattedWriter#writeQuotedString(CharSequence)}
*/
@Deprecated
public static void writeEscapedString(Writer writer, String value) throws IOException {
for (int i = 0; i < value.length(); i++) {
char c = value.charAt(i);
if ((c >= ' ') && (c < 0x7f)) {
if ((c == '\'') || (c == '\"') || (c == '\\')) {
writer.write('\\');
}
writer.write(c);
continue;
} else if (c <= 0x7f) {
switch (c) {
case '\n': writer.write("\\n"); continue;
case '\r': writer.write("\\r"); continue;
case '\t': writer.write("\\t"); continue;
}
}
writer.write("\\u");
writer.write(Character.forDigit(c >> 12, 16));
writer.write(Character.forDigit((c >> 8) & 0x0f, 16));
writer.write(Character.forDigit((c >> 4) & 0x0f, 16));
writer.write(Character.forDigit(c & 0x0f, 16));
}
}
public static String escapeString(String value) {
int len = value.length();
StringBuilder sb = new StringBuilder(len * 3 / 2);
for (int i = 0; i < len; i++) {
char c = value.charAt(i);
if ((c >= ' ') && (c < 0x7f)) {
if ((c == '\'') || (c == '\"') || (c == '\\')) {
sb.append('\\');
}
sb.append(c);
continue;
} else if (c <= 0x7f) {
switch (c) {
case '\n': sb.append("\\n"); continue;
case '\r': sb.append("\\r"); continue;
case '\t': sb.append("\\t"); continue;
}
}
sb.append("\\u");
sb.append(Character.forDigit(c >> 12, 16));
sb.append(Character.forDigit((c >> 8) & 0x0f, 16));
sb.append(Character.forDigit((c >> 4) & 0x0f, 16));
sb.append(Character.forDigit(c & 0x0f, 16));
}
return sb.toString();
}
}
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