1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
package ftbsc.lll.mapper.impl;
import com.google.auto.service.AutoService;
import ftbsc.lll.exceptions.MalformedMappingsException;
import ftbsc.lll.mapper.IMappingFormat;
import ftbsc.lll.mapper.utils.Mapper;
import ftbsc.lll.mapper.data.ClassData;
import java.util.List;
/**
* A {@link IMappingFormat} capable of parsing SRG mappings.
*/
@AutoService(IMappingFormat.class)
public class SRGMapper implements IMappingFormat {
@Override
public boolean claim(List<String> lines) {
String[] firstLineTokens = lines.get(0).trim().split(" ");
return firstLineTokens.length <= 5 &&
(firstLineTokens[0].equals("CL:")
|| firstLineTokens[0].equals("MD:")
|| firstLineTokens[0].equals("FD:"));
}
/**
* Builds the two mappers, and returns one of the two depending on the flag.
* Since the SRG format contains descriptor mappings, it's possible to process
* this right away.
* @param lines the lines to read
* @param ignoreErrors try to ignore errors and keep going
* @param inverted whether it should return the inverted one
* @return the {@link Mapper}, inverted depending on the flag
* @throws MalformedMappingsException if an error is encountered and ignoreErrors is false
*/
protected Mapper buildMapper(List<String> lines, boolean ignoreErrors, boolean inverted) throws MalformedMappingsException {
Mapper mapper = new Mapper();
Mapper invertedMapper = new Mapper();
for(int i = 0; i < lines.size(); i++) {
String[] tokens = lines.get(i).trim().split(" ");
switch(tokens[0]) {
case "CL:":
if(tokens.length != 3)
break;
this.registerClass(mapper, invertedMapper, tokens[1], tokens[2]);
continue;
case "MD:":
case "FD:":
if(this.processMemberTokens(mapper, invertedMapper, tokens))
continue;
break;
}
if(!ignoreErrors)
throw new MalformedMappingsException(i, "wrong number of space-separated tokens");
}
return inverted ? invertedMapper : mapper;
}
/**
* Processes a line, broken up into tokens.
* @param mapper the {@link Mapper} with normal mappings
* @param invertedMapper the {@link Mapper} with inverted mappings
* @param tokens the tokens
* @return whether it was a valid mapping
*/
private boolean processMemberTokens(Mapper mapper, Mapper invertedMapper, String[] tokens) {
boolean field;
if(tokens[0].equals("MD:")) {
if(tokens.length != 5)
return false;
field = false;
} else if(tokens[0].equals("FD:")) {
if(tokens.length != 3)
return false;
field = true;
} else return false;
//process parent
String[] split = tokens[1].split("/");
String memberName = split[split.length - 1];
String parent = tokens[1].substring(0, tokens[1].length() - split[split.length - 1].length() - 1);
int obfPosition = field ? 2 : 3;
split = tokens[obfPosition].split("/");
String memberNameObf = split[split.length - 1];
String parentObf = tokens[obfPosition].substring(0, tokens[obfPosition].length() - split[split.length - 1].length() - 1);
this.registerMember(mapper, invertedMapper, parent, parentObf, memberName, memberNameObf,
field ? null : tokens[2], field ? null : tokens[4]);
return true;
}
/**
* Registers a class in the mapper, if it isn't already.
* @param mapper the {@link Mapper} with normal mappings
* @param invertedMapper the {@link Mapper} with inverted mappings
* @param name the name
* @param nameMapped the mapped name
*/
private void registerClass(Mapper mapper, Mapper invertedMapper, String name, String nameMapped) {
if(mapper.getRawMappings().containsKey(name))
return;
mapper.getRawMappings().put(name, new ClassData(name, nameMapped));
invertedMapper.getRawMappings().put(nameMapped, new ClassData(nameMapped, name));
}
/**
* Registers a class member. The descriptors should be null for fields.
* @param mapper the {@link Mapper} with normal mappings
* @param invertedMapper the {@link Mapper} with inverted mappings
* @param parent the parent's plain internal name
* @param parentMapped the parent's mapped internal name
* @param name the member's plain name
* @param nameMapped the member's mapped name
* @param descriptor the member's plain descriptor, may be null
* @param descriptorMapped the member's mapped descriptor, may be null
*/
private void registerMember(Mapper mapper, Mapper invertedMapper, String parent,
String parentMapped, String name, String nameMapped,
String descriptor, String descriptorMapped) {
this.registerClass(mapper, invertedMapper, parent, parentMapped);
ClassData data = mapper.getClassData(parent);
ClassData dataReverse = invertedMapper.getClassData(data.nameMapped);
if(descriptor == null || descriptorMapped == null) {
//field
data.addField(name, nameMapped);
dataReverse.addField(nameMapped, name);
} else {
//method
data.addMethod(name, nameMapped, descriptor);
dataReverse.addMethod(nameMapped, name, descriptorMapped);
}
}
@Override
public Mapper getMapper(List<String> lines, boolean ignoreErrors) throws MalformedMappingsException {
return this.buildMapper(lines, ignoreErrors, false);
}
@Override
public Mapper getInvertedMapper(List<String> lines, boolean ignoreErrors) {
return this.buildMapper(lines, ignoreErrors, true);
}
}
|
zaaarf