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- /*
- * Copyright (C) 2010, Google Inc.
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * 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 the Eclipse Foundation, 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 org.eclipse.jgit.iplog;
-
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.text.MessageFormat;
- import java.util.ArrayList;
- import java.util.LinkedHashMap;
- import java.util.List;
- import java.util.Map;
-
- /** A crude CSV file parser. */
- class CSV {
- private final BufferedReader in;
-
- private List<String> columns;
-
- CSV(BufferedReader br) throws IOException {
- in = br;
- columns = readLine();
- }
-
- Map<String, String> next() throws IOException {
- List<String> row = readLine();
- if (columns == null || row == null)
- return null;
-
- Map<String, String> r = new LinkedHashMap<String, String>();
- for (int col = 0; col < columns.size(); col++)
- r.put(columns.get(col), row.get(col));
- return r;
- }
-
- private List<String> readLine() throws IOException {
- String line = in.readLine();
- if (line == null || line.length() == 0)
- return null;
-
- ArrayList<String> row;
- if (columns != null)
- row = new ArrayList<String>(columns.size());
- else
- row = new ArrayList<String>();
-
- int p = 0;
- while (p < line.length()) {
- if (line.charAt(p) == '"') {
- p++; // skip the opening quote.
-
- StringBuilder b = new StringBuilder();
- SCAN: while (p < line.length()) {
- char c = line.charAt(p);
- switch (c) {
- case '"':
- p++;
- break SCAN;
-
- case '\\':
- b.append(line.charAt(p + 1));
- p += 2;
- break;
-
- default:
- b.append(c);
- p++;
- break;
- }
- }
- if (p < line.length() && line.charAt(p) != ',')
- throw new IOException(MessageFormat.format(IpLogText.get().CSVParsingError, line));
- row.add(b.toString());
- p++; // skip the trailing comma (if present)
-
- } else if (line.charAt(p) == ',') {
- row.add("");
- p++;
-
- } else {
- int comma = line.indexOf(',', p);
- row.add(line.substring(p, comma));
- p = comma + 1;
- }
- }
- return row;
- }
- }
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