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diff --git a/third_party/protobuf/3.4.0/javanano/src/main/java/com/google/protobuf/nano/MessageNanoPrinter.java b/third_party/protobuf/3.4.0/javanano/src/main/java/com/google/protobuf/nano/MessageNanoPrinter.java
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+// Protocol Buffers - Google's data interchange format
+// Copyright 2013 Google Inc. All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// 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 Inc. 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.google.protobuf.nano;
+
+import java.lang.reflect.Array;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.Map;
+
+/**
+ * Static helper methods for printing nano protos.
+ *
+ * @author flynn@google.com Andrew Flynn
+ */
+public final class MessageNanoPrinter {
+ // Do not allow instantiation
+ private MessageNanoPrinter() {}
+
+ private static final String INDENT = " ";
+ private static final int MAX_STRING_LEN = 200;
+
+ /**
+ * Returns an text representation of a MessageNano suitable for debugging. The returned string
+ * is mostly compatible with Protocol Buffer's TextFormat (as provided by non-nano protocol
+ * buffers) -- groups (which are deprecated) are output with an underscore name (e.g. foo_bar
+ * instead of FooBar) and will thus not parse.
+ *
+ * <p>Employs Java reflection on the given object and recursively prints primitive fields,
+ * groups, and messages.</p>
+ */
+ public static <T extends MessageNano> String print(T message) {
+ if (message == null) {
+ return "";
+ }
+
+ StringBuffer buf = new StringBuffer();
+ try {
+ print(null, message, new StringBuffer(), buf);
+ } catch (IllegalAccessException e) {
+ return "Error printing proto: " + e.getMessage();
+ } catch (InvocationTargetException e) {
+ return "Error printing proto: " + e.getMessage();
+ }
+ return buf.toString();
+ }
+
+ /**
+ * Function that will print the given message/field into the StringBuffer.
+ * Meant to be called recursively.
+ *
+ * @param identifier the identifier to use, or {@code null} if this is the root message to
+ * print.
+ * @param object the value to print. May in fact be a primitive value or byte array and not a
+ * message.
+ * @param indentBuf the indentation each line should begin with.
+ * @param buf the output buffer.
+ */
+ private static void print(String identifier, Object object,
+ StringBuffer indentBuf, StringBuffer buf) throws IllegalAccessException,
+ InvocationTargetException {
+ if (object == null) {
+ // This can happen if...
+ // - we're about to print a message, String, or byte[], but it not present;
+ // - we're about to print a primitive, but "reftype" optional style is enabled, and
+ // the field is unset.
+ // In both cases the appropriate behavior is to output nothing.
+ } else if (object instanceof MessageNano) { // Nano proto message
+ int origIndentBufLength = indentBuf.length();
+ if (identifier != null) {
+ buf.append(indentBuf).append(deCamelCaseify(identifier)).append(" <\n");
+ indentBuf.append(INDENT);
+ }
+ Class<?> clazz = object.getClass();
+
+ // Proto fields follow one of two formats:
+ //
+ // 1) Public, non-static variables that do not begin or end with '_'
+ // Find and print these using declared public fields
+ for (Field field : clazz.getFields()) {
+ int modifiers = field.getModifiers();
+ String fieldName = field.getName();
+ if ("cachedSize".equals(fieldName)) {
+ // TODO(bduff): perhaps cachedSize should have a more obscure name.
+ continue;
+ }
+
+ if ((modifiers & Modifier.PUBLIC) == Modifier.PUBLIC
+ && (modifiers & Modifier.STATIC) != Modifier.STATIC
+ && !fieldName.startsWith("_")
+ && !fieldName.endsWith("_")) {
+ Class<?> fieldType = field.getType();
+ Object value = field.get(object);
+
+ if (fieldType.isArray()) {
+ Class<?> arrayType = fieldType.getComponentType();
+
+ // bytes is special since it's not repeated, but is represented by an array
+ if (arrayType == byte.class) {
+ print(fieldName, value, indentBuf, buf);
+ } else {
+ int len = value == null ? 0 : Array.getLength(value);
+ for (int i = 0; i < len; i++) {
+ Object elem = Array.get(value, i);
+ print(fieldName, elem, indentBuf, buf);
+ }
+ }
+ } else {
+ print(fieldName, value, indentBuf, buf);
+ }
+ }
+ }
+
+ // 2) Fields that are accessed via getter methods (when accessors
+ // mode is turned on)
+ // Find and print these using getter methods.
+ for (Method method : clazz.getMethods()) {
+ String name = method.getName();
+ // Check for the setter accessor method since getters and hazzers both have
+ // non-proto-field name collisions (hashCode() and getSerializedSize())
+ if (name.startsWith("set")) {
+ String subfieldName = name.substring(3);
+
+ Method hazzer = null;
+ try {
+ hazzer = clazz.getMethod("has" + subfieldName);
+ } catch (NoSuchMethodException e) {
+ continue;
+ }
+ // If hazzer doesn't exist or returns false, no need to continue
+ if (!(Boolean) hazzer.invoke(object)) {
+ continue;
+ }
+
+ Method getter = null;
+ try {
+ getter = clazz.getMethod("get" + subfieldName);
+ } catch (NoSuchMethodException e) {
+ continue;
+ }
+
+ print(subfieldName, getter.invoke(object), indentBuf, buf);
+ }
+ }
+ if (identifier != null) {
+ indentBuf.setLength(origIndentBufLength);
+ buf.append(indentBuf).append(">\n");
+ }
+ } else if (object instanceof Map) {
+ Map<?,?> map = (Map<?,?>) object;
+ identifier = deCamelCaseify(identifier);
+
+ for (Map.Entry<?,?> entry : map.entrySet()) {
+ buf.append(indentBuf).append(identifier).append(" <\n");
+ int origIndentBufLength = indentBuf.length();
+ indentBuf.append(INDENT);
+ print("key", entry.getKey(), indentBuf, buf);
+ print("value", entry.getValue(), indentBuf, buf);
+ indentBuf.setLength(origIndentBufLength);
+ buf.append(indentBuf).append(">\n");
+ }
+ } else {
+ // Non-null primitive value
+ identifier = deCamelCaseify(identifier);
+ buf.append(indentBuf).append(identifier).append(": ");
+ if (object instanceof String) {
+ String stringMessage = sanitizeString((String) object);
+ buf.append("\"").append(stringMessage).append("\"");
+ } else if (object instanceof byte[]) {
+ appendQuotedBytes((byte[]) object, buf);
+ } else {
+ buf.append(object);
+ }
+ buf.append("\n");
+ }
+ }
+
+ /**
+ * Converts an identifier of the format "FieldName" into "field_name".
+ */
+ private static String deCamelCaseify(String identifier) {
+ StringBuffer out = new StringBuffer();
+ for (int i = 0; i < identifier.length(); i++) {
+ char currentChar = identifier.charAt(i);
+ if (i == 0) {
+ out.append(Character.toLowerCase(currentChar));
+ } else if (Character.isUpperCase(currentChar)) {
+ out.append('_').append(Character.toLowerCase(currentChar));
+ } else {
+ out.append(currentChar);
+ }
+ }
+ return out.toString();
+ }
+
+ /**
+ * Shortens and escapes the given string.
+ */
+ private static String sanitizeString(String str) {
+ if (!str.startsWith("http") && str.length() > MAX_STRING_LEN) {
+ // Trim non-URL strings.
+ str = str.substring(0, MAX_STRING_LEN) + "[...]";
+ }
+ return escapeString(str);
+ }
+
+ /**
+ * Escape everything except for low ASCII code points.
+ */
+ private static String escapeString(String str) {
+ int strLen = str.length();
+ StringBuilder b = new StringBuilder(strLen);
+ for (int i = 0; i < strLen; i++) {
+ char original = str.charAt(i);
+ if (original >= ' ' && original <= '~' && original != '"' && original != '\'') {
+ b.append(original);
+ } else {
+ b.append(String.format("\\u%04x", (int) original));
+ }
+ }
+ return b.toString();
+ }
+
+ /**
+ * Appends a quoted byte array to the provided {@code StringBuffer}.
+ */
+ private static void appendQuotedBytes(byte[] bytes, StringBuffer builder) {
+ if (bytes == null) {
+ builder.append("\"\"");
+ return;
+ }
+
+ builder.append('"');
+ for (int i = 0; i < bytes.length; ++i) {
+ int ch = bytes[i] & 0xff;
+ if (ch == '\\' || ch == '"') {
+ builder.append('\\').append((char) ch);
+ } else if (ch >= 32 && ch < 127) {
+ builder.append((char) ch);
+ } else {
+ builder.append(String.format("\\%03o", ch));
+ }
+ }
+ builder.append('"');
+ }
+}