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8 | 8 | package org.jd.gui.util.decompiler; |
9 | 9 |
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10 | 10 | public class LineNumberStringBuilderPrinter extends StringBuilderPrinter { |
11 | | - protected boolean showLineNumbers = false; |
12 | | - |
13 | | - protected int maxLineNumber = 0; |
14 | | - protected int digitCount = 0; |
15 | | - |
16 | | - protected String lineNumberBeginPrefix; |
17 | | - protected String lineNumberEndPrefix; |
18 | | - protected String unknownLineNumberPrefix; |
19 | | - |
20 | | - public void setShowLineNumbers(boolean showLineNumbers) { this.showLineNumbers = showLineNumbers; } |
21 | | - |
22 | | - protected int printDigit(int dcv, int lineNumber, int divisor, int left) { |
23 | | - if (digitCount >= dcv) { |
24 | | - if (lineNumber < divisor) { |
25 | | - append(' '); |
26 | | - } else { |
27 | | - int e = (lineNumber-left) / divisor; |
28 | | - append((char)('0' + e)); |
29 | | - left += e*divisor; |
30 | | - } |
31 | | - } |
32 | | - |
33 | | - return left; |
34 | | - } |
35 | | - |
36 | | - // --- Printer --- // |
37 | | - @Override |
38 | | - public void start(int maxLineNumber, int majorVersion, int minorVersion) { |
39 | | - super.start(maxLineNumber, majorVersion, minorVersion); |
40 | | - |
41 | | - if (showLineNumbers) { |
42 | | - this.maxLineNumber = maxLineNumber; |
43 | | - |
44 | | - if (maxLineNumber > 0) { |
45 | | - digitCount = 1; |
46 | | - unknownLineNumberPrefix = " "; |
47 | | - int maximum = 9; |
48 | | - |
49 | | - while (maximum < maxLineNumber) { |
50 | | - digitCount++; |
51 | | - unknownLineNumberPrefix += ' '; |
52 | | - maximum = maximum*10 + 9; |
53 | | - } |
54 | | - |
55 | | - lineNumberBeginPrefix = "/* "; |
56 | | - lineNumberEndPrefix = " */ "; |
57 | | - } else { |
58 | | - unknownLineNumberPrefix = ""; |
59 | | - lineNumberBeginPrefix = ""; |
60 | | - lineNumberEndPrefix = ""; |
61 | | - } |
62 | | - } else { |
63 | | - this.maxLineNumber = 0; |
64 | | - unknownLineNumberPrefix = ""; |
65 | | - lineNumberBeginPrefix = ""; |
66 | | - lineNumberEndPrefix = ""; |
67 | | - } |
68 | | - } |
69 | | - |
70 | | - @Override public void startLine(int lineNumber) { |
71 | | - if (maxLineNumber > 0) { |
72 | | - append(lineNumberBeginPrefix); |
73 | | - |
74 | | - if (lineNumber == UNKNOWN_LINE_NUMBER) { |
75 | | - append(unknownLineNumberPrefix); |
76 | | - } else { |
77 | | - int left = 0; |
78 | | - |
79 | | - left = printDigit(5, lineNumber, 10000, left); |
80 | | - left = printDigit(4, lineNumber, 1000, left); |
81 | | - left = printDigit(3, lineNumber, 100, left); |
82 | | - left = printDigit(2, lineNumber, 10, left); |
83 | | - append((char)('0' + (lineNumber-left))); |
84 | | - } |
85 | | - |
86 | | - append(lineNumberEndPrefix); |
87 | | - } |
88 | | - |
89 | | - for (int i=0; i<indentationCount; i++) { |
90 | | - append(TAB); |
91 | | - } |
92 | | - } |
93 | | - @Override public void extraLine(int count) { |
94 | | - if (realignmentLineNumber) { |
95 | | - while (count-- > 0) { |
96 | | - if (maxLineNumber > 0) { |
97 | | - append(lineNumberBeginPrefix); |
98 | | - append(unknownLineNumberPrefix); |
99 | | - append(lineNumberEndPrefix); |
100 | | - } |
101 | | - |
102 | | - append(NEWLINE); |
103 | | - } |
104 | | - } |
105 | | - } |
| 11 | + protected boolean showLineNumbers = false; |
| 12 | + |
| 13 | + protected int maxLineNumber = 0; |
| 14 | + protected int digitCount = 0; |
| 15 | + |
| 16 | + protected String lineNumberBeginPrefix; |
| 17 | + protected String lineNumberEndPrefix; |
| 18 | + protected String unknownLineNumberPrefix; |
| 19 | + |
| 20 | + public void setShowLineNumbers(boolean showLineNumbers) { this.showLineNumbers = showLineNumbers; } |
| 21 | + |
| 22 | + protected int printDigit(int dcv, int lineNumber, int divisor, int left) { |
| 23 | + if (digitCount >= dcv) { |
| 24 | + if (lineNumber < divisor) { |
| 25 | + stringBuffer.append(' '); |
| 26 | + } else { |
| 27 | + int e = (lineNumber-left) / divisor; |
| 28 | + stringBuffer.append((char)('0' + e)); |
| 29 | + left += e*divisor; |
| 30 | + } |
| 31 | + } |
| 32 | + |
| 33 | + return left; |
| 34 | + } |
| 35 | + |
| 36 | + // --- Printer --- // |
| 37 | + @Override |
| 38 | + public void start(int maxLineNumber, int majorVersion, int minorVersion) { |
| 39 | + super.start(maxLineNumber, majorVersion, minorVersion); |
| 40 | + |
| 41 | + if (showLineNumbers) { |
| 42 | + this.maxLineNumber = maxLineNumber; |
| 43 | + |
| 44 | + if (maxLineNumber > 0) { |
| 45 | + digitCount = 1; |
| 46 | + unknownLineNumberPrefix = " "; |
| 47 | + int maximum = 9; |
| 48 | + |
| 49 | + while (maximum < maxLineNumber) { |
| 50 | + digitCount++; |
| 51 | + unknownLineNumberPrefix += ' '; |
| 52 | + maximum = maximum*10 + 9; |
| 53 | + } |
| 54 | + |
| 55 | + lineNumberBeginPrefix = "/* "; |
| 56 | + lineNumberEndPrefix = " */ "; |
| 57 | + } else { |
| 58 | + unknownLineNumberPrefix = ""; |
| 59 | + lineNumberBeginPrefix = ""; |
| 60 | + lineNumberEndPrefix = ""; |
| 61 | + } |
| 62 | + } else { |
| 63 | + this.maxLineNumber = 0; |
| 64 | + unknownLineNumberPrefix = ""; |
| 65 | + lineNumberBeginPrefix = ""; |
| 66 | + lineNumberEndPrefix = ""; |
| 67 | + } |
| 68 | + } |
| 69 | + |
| 70 | + @Override public void startLine(int lineNumber) { |
| 71 | + if (maxLineNumber > 0) { |
| 72 | + stringBuffer.append(lineNumberBeginPrefix); |
| 73 | + |
| 74 | + if (lineNumber == UNKNOWN_LINE_NUMBER) { |
| 75 | + stringBuffer.append(unknownLineNumberPrefix); |
| 76 | + } else { |
| 77 | + int left = 0; |
| 78 | + |
| 79 | + left = printDigit(5, lineNumber, 10000, left); |
| 80 | + left = printDigit(4, lineNumber, 1000, left); |
| 81 | + left = printDigit(3, lineNumber, 100, left); |
| 82 | + left = printDigit(2, lineNumber, 10, left); |
| 83 | + stringBuffer.append((char)('0' + (lineNumber-left))); |
| 84 | + } |
| 85 | + |
| 86 | + stringBuffer.append(lineNumberEndPrefix); |
| 87 | + } |
| 88 | + |
| 89 | + for (int i=0; i<indentationCount; i++) { |
| 90 | + stringBuffer.append(TAB); |
| 91 | + } |
| 92 | + } |
| 93 | + @Override public void extraLine(int count) { |
| 94 | + if (realignmentLineNumber) { |
| 95 | + while (count-- > 0) { |
| 96 | + if (maxLineNumber > 0) { |
| 97 | + stringBuffer.append(lineNumberBeginPrefix); |
| 98 | + stringBuffer.append(unknownLineNumberPrefix); |
| 99 | + stringBuffer.append(lineNumberEndPrefix); |
| 100 | + } |
| 101 | + |
| 102 | + stringBuffer.append(NEWLINE); |
| 103 | + } |
| 104 | + } |
| 105 | + } |
106 | 106 | } |
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