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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc.
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// Copyright 2008 Google Inc. All rights reserved.
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// http://code.google.com/p/protobuf/
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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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// http://www.apache.org/licenses/LICENSE-2.0
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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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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package com.google.protobuf;
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private static void print(Message message, TextGenerator generator)
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throws IOException {
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Descriptor descriptor = message.getDescriptorForType();
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for (Map.Entry<FieldDescriptor, Object> field :
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message.getAllFields().entrySet()) {
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printField(field.getKey(), field.getValue(), generator);
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private int previousLine = 0;
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private int previousColumn = 0;
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private static Pattern WHITESPACE = Pattern.compile("(\\s|(#[^\n]*$))*");
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private static Pattern WHITESPACE =
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Pattern.compile("(\\s|(#.*$))+", Pattern.MULTILINE);
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private static Pattern TOKEN = Pattern.compile(
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"[a-zA-Z_][0-9a-zA-Z_+-]*|" + // an identifier
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"[0-9+-][0-9a-zA-Z_.+-]*|" + // a number
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"\"([^\"\n\\\\]|\\\\[^\n])*(\"|\\\\?$)|" + // a double-quoted string
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"\'([^\"\n\\\\]|\\\\[^\n])*(\'|\\\\?$)"); // a single-quoted string
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"\"([^\"\n\\\\]|\\\\.)*(\"|\\\\?$)|" + // a double-quoted string
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"\'([^\"\n\\\\]|\\\\.)*(\'|\\\\?$)", // a single-quoted string
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private static Pattern DOUBLE_INFINITY = Pattern.compile(
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Pattern.CASE_INSENSITIVE);
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private static Pattern FLOAT_INFINITY = Pattern.compile(
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Pattern.CASE_INSENSITIVE);
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private static Pattern FLOAT_NAN = Pattern.compile(
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Pattern.CASE_INSENSITIVE);
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/** Construct a tokenizer that parses tokens from the given text. */
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public Tokenizer(CharSequence text) {
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* Otherwise, throw a {@link ParseException}.
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public double consumeDouble() throws ParseException {
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// We need to parse infinity and nan separately because
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// Double.parseDouble() does not accept "inf", "infinity", or "nan".
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if (DOUBLE_INFINITY.matcher(currentToken).matches()) {
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boolean negative = currentToken.startsWith("-");
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return negative ? Double.NEGATIVE_INFINITY : Double.POSITIVE_INFINITY;
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if (currentToken.equalsIgnoreCase("nan")) {
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double result = Double.parseDouble(currentToken);
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* Otherwise, throw a {@link ParseException}.
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public float consumeFloat() throws ParseException {
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// We need to parse infinity and nan separately because
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// Float.parseFloat() does not accept "inf", "infinity", or "nan".
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if (FLOAT_INFINITY.matcher(currentToken).matches()) {
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boolean negative = currentToken.startsWith("-");
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return negative ? Float.NEGATIVE_INFINITY : Float.POSITIVE_INFINITY;
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if (FLOAT_NAN.matcher(currentToken).matches()) {
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float result = Float.parseFloat(currentToken);
added
removed
java/src/main/java/com/google/protobuf/TextFormat.java
