blob: cd43e928cebbefde98ba9aa1a053e63ac141b711 (
plain)
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
|
package bjc.dicelang.v2;
import bjc.utils.funcdata.FunctionalList;
import bjc.utils.funcdata.IList;
import bjc.utils.funcutils.ListUtils;
import static bjc.dicelang.v2.Errors.ErrorKey.*;
import bjc.utils.esodata.SingleTape;
import bjc.utils.esodata.Tape;
public class StreamEngine {
private DiceLangEngine eng;
private Tape<IList<String>> streams;
private IList<String> currStream;
public StreamEngine(DiceLangEngine engine) {
eng = engine;
}
private void init() {
streams = new SingleTape<>();
currStream = new FunctionalList<>();
streams.insertBefore(currStream);
}
public boolean doStreams(String[] toks, IList<String> dest) {
init();
boolean quoteMode = false;
for(String tk : toks) {
if(tk.startsWith("{@S") && !quoteMode) {
if(tk.equals("{@SQ}")) {
quoteMode = true;
} else if(!processCommand(tk)) {
return false;
}
// Command ran correctly, continue
} else {
if(tk.equals("{@SU}")) {
quoteMode = false;
} else if(tk.startsWith("\\") && tk.endsWith("{@SU}")) {
currStream.add(tk.substring(1));
} else {
currStream.add(tk);
}
}
}
for(String tk : currStream) {
dest.add(tk);
}
return true;
}
private boolean processCommand(String tk) {
char[] comms = null;
if(tk.length() > 5) {
comms = tk.substring(3, tk.length() - 1).toCharArray();
} else {
comms = new char[1];
comms[0] = tk.charAt(3);
}
for(char comm : comms) {
switch(comm) {
case '+':
streams.insertAfter(new FunctionalList<>());
break;
case '>':
if(!streams.right()) {
Errors.inst.printError(EK_STRM_NONEX);
return false;
}
currStream = streams.item();
break;
case '<':
if(!streams.left()) {
Errors.inst.printError(EK_STRM_NONEX);
return false;
}
currStream = streams.item();
break;
case '-':
if(streams.size() == 1) {
Errors.inst.printError(EK_STRM_LAST);
return false;
} else {
streams.remove();
currStream = streams.item();
}
break;
case 'S':
if(streams.size() == 1) {
Errors.inst.printError(EK_STRM_LAST);
return false;
} else {
IList<String> stringLit = streams.remove();
currStream = streams.item();
currStream.add(ListUtils.collapseTokens(stringLit, " "));
}
break;
default:
Errors.inst.printError(EK_STRM_INVCOM, tk);
return false;
}
}
return true;
}
}
|
