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1b2798f6 EK |
1 | /******************************************************************************* |
2 | * Copyright (c) 2000, 2005 IBM Corporation and others. | |
3 | * All rights reserved. This program and the accompanying materials | |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
9 | * IBM Corporation - initial API and implementation | |
10 | *******************************************************************************/ | |
11 | package org.eclipse.jdt.internal.ui.refactoring.nls.search; | |
12 | ||
13 | import java.io.BufferedReader; | |
14 | import java.io.IOException; | |
15 | import java.io.InputStream; | |
16 | import java.io.InputStreamReader; | |
17 | import java.io.Reader; | |
18 | ||
19 | import org.eclipse.jdt.internal.ui.JavaPlugin; | |
20 | ||
21 | ||
22 | class LineReader extends Object { | |
23 | protected static final int LF= '\n'; | |
24 | protected static final int CR= '\r'; | |
25 | ||
26 | private BufferedReader fReader; | |
27 | ||
28 | protected int fPushbackChar; | |
29 | protected boolean fPushback; | |
30 | ||
31 | public LineReader(InputStream in, String encoding) throws IOException { | |
32 | this(new InputStreamReader(in, encoding)); | |
33 | } | |
34 | ||
35 | public LineReader(Reader reader) { | |
36 | fPushback= false; | |
37 | fReader= new BufferedReader(reader); | |
38 | } | |
39 | ||
40 | public int readLine(StringBuffer sb) throws IOException { | |
41 | int ch= -1; | |
42 | sb.setLength(0); | |
43 | if (fPushback) { | |
44 | ch= fPushbackChar; | |
45 | fPushback= false; | |
46 | } else | |
47 | ch= fReader.read(); | |
48 | while (ch >= 0) { | |
49 | if (ch == LF) | |
50 | return 1; | |
51 | if (ch == CR) { | |
52 | ch= fReader.read(); | |
53 | if (ch == LF) | |
54 | return 2; | |
55 | else { | |
56 | fPushbackChar= ch; | |
57 | fPushback= true; | |
58 | return 1; | |
59 | } | |
60 | } | |
61 | sb.append((char) ch); | |
62 | ch= fReader.read(); | |
63 | } | |
64 | return -1; | |
65 | } | |
66 | ||
67 | public void close() throws IOException { | |
68 | fReader.close(); | |
69 | } | |
70 | ||
71 | public int generated_5330868871510005565(String propertyName) { | |
72 | int start= 0; | |
73 | try { | |
74 | StringBuffer buf= new StringBuffer(80); | |
75 | int eols= readLine(buf); | |
76 | int keyLength= propertyName.length(); | |
77 | while (eols > 0) { | |
78 | String line= buf.toString(); | |
79 | int i= line.indexOf(propertyName); | |
80 | int charPos= i + keyLength; | |
81 | char terminatorChar= 0; | |
82 | boolean hasNoValue= (charPos >= line.length()); | |
83 | if (i > -1 && !hasNoValue) | |
84 | terminatorChar= line.charAt(charPos); | |
85 | if (line.trim().startsWith(propertyName) && | |
86 | (hasNoValue || Character.isWhitespace(terminatorChar) || terminatorChar == '=')) { | |
87 | start += line.indexOf(propertyName); | |
88 | eols= -17; // found key | |
89 | } else { | |
90 | start += line.length() + eols; | |
91 | buf.setLength(0); | |
92 | eols= readLine(buf); | |
93 | } | |
94 | } | |
95 | if (eols != -17) | |
96 | start= -1; //key not found in file. See bug 63794. This can happen if the key contains escaped characters. | |
97 | } catch (IOException ex) { | |
98 | JavaPlugin.log(ex); | |
99 | return -1; | |
100 | } finally { | |
101 | try { | |
102 | close(); | |
103 | } catch (IOException ex) { | |
104 | JavaPlugin.log(ex); | |
105 | } | |
106 | } | |
107 | return start; | |
108 | } | |
109 | } |