ANTLR4解析不适用于重复文本。
ANTLR4解析不适用于重复文本。
提问于 2017-11-27 10:40:32
我已经成功地分析了下面的文件信息，直到行“待定.”用给定的语法。但一旦我们在“最后确定”之后收到更多数据.解析器跳过1-3条记录，在输出中给出第一个头和最后两个记录(4-5)。
问题：如何修改语法，以便能够对所有的数据进行解析？非常感谢您对以下问题的了解：
解析文本：(这里的每个记录都将是Java)
+++ AV_AW_GER_1111_SpringShop 2017-10-09 12:00:00
O&M #58513
%%/*123456*/FUN TEST:REC=ALL,SD=2017&10&02,ST=03&01&01,CLRSD=2017&10&09,CLRST=08&10&00;%%
RETCODE = 0 Operation succeeded
1RECORD 11111 Creat Warning KRAN 14758 Signaling
Sync serial No. = 121212
Record name = Cell PCI Conflict
Record raised time = 2017-11-14 12:15:41
Place info = Local Cell ID=1, Cell Name=AO_5655_56551_L1_B, eNodeB ID=15655, Cell ID=1, NB-IoT Cell Flag=FALSE
2RECORD 22222 Creat Major KRAN 52896 Environment
Sync serial No. = 231123
Record name = Intruder Record
Record raised time = 2017-11-14 13:00:09
Place info = Cabinet No.=0, Subrack No.=0, Slot No.=19, Port No.=2, Board Type=UPEU
3RECORD 33333 Creat Major KRAN 36369 Environment
Sync serial No. = 340434
Record name = Intruder Record
Record raised time = 2017-11-14 12:58:40
Place info = Cabinet No.=0, Subrack No.=0, Slot No.=19, Port No.=2, Board Type=UPEU
(Number of results = 3)
To be finalized...
--- END
+++ QW_ER_TY_2222_SpringPool 2017-11-20 13:29:34
O&M #89874
%%/*012567*/FUN TEST:REC=ALL,SD=2017&10&02,ST=03&01&01,CLRSD=2017&10&09,CLRST=08&10&00;%%
RETCODE = 0 Operation succeeded
4RECORD 55555 Creat Warning KRAN 14736 Signaling
Sync serial No. = 45585
Record name = Cell PCI Conflict
Record raised time = 2017-11-14 12:15:41
Place info = Local Cell ID=1, PCI Value=408, Conflict Type=Confusion, NB-IoT Cell Flag=FALSE
Result type = Normally cleared
5RECORD 44444 Creat Major KRAN 65137 Environment
Sync serial No. = 99999
Record name = Intruder Record
Record raised time = 2017-11-14 12:58:40
Place info = Cabinet No.=0, Subrack No.=0, Slot No.=19, Port No.=2, Board Type=UPEU
Result type = Normally cleared
(Number of results = 2)
2 reports in total
--- END语法：
rspAlarm:
alarmResponse alarmResponse1 EOF;
alarmResponse:
header recordAlarm+ (COMPLEX_FLAG EOL)? TERMINATOR EOL;
alarmResponse1:
header recordAlarm+ TERMINATOR EOL;
recordAlarm:
completionStatus|(title SPACE* EOL)|(SPACE* keyValue '=' SPACE* value EOL)|TOTAL|EOL ;
header:
connectInfo server_code FUNCTION EOL responseIdentification;
connectInfo:
'+++' SPACE+ STRING (SPACE STRING|NUMBER)? SPACE+ timeStamp EOL*;
timeStamp:
DATE EOL;
server_code:
'O&M' SPACE+ HUSH NUMBER+ EOL;
responseIdentification:
'RETCODE' SPACE '=' SPACE codeStatus SPACE+ completionStatus;
codeStatus:
NUMBER;
completionStatus:
COMPLETION_CODE EOL;
title:
(STRING|NUMBER) (SPACE+ (STRING|NUMBER))*;
keyValue:
((STRING|NUMBER) SPACE*)+;
value:
( (STRING|NUMBER|DATE|HUSH) SPACE*)+;
NUMBER:('-')?[0-9]+;
DATE:NUMBER+'-'NUMBER+'-'NUMBER+SPACE+NUMBER+':'NUMBER+':'NUMBER+;
STRING:[a-zA-Z0-9\-\'\&\_\@\=\.\:\,\(\)\/]+;
FUNCTION:[\%][\%](.*)[\%][\%];
COMPLETION_CODE:('Success'|'Operation succeeded.'|'No record exists'|'Invalid command,it is inexecutable.'|) EOL;
TOTAL:'(Number of results = ' NUMBER ')';
COMPLEX_FLAG:('To be finalized...');
TERMINATOR :('--- END');
DASH:[\-]+;
PLUS:[\+][\+][\+];
EOL:'\r'?'\n';
SPACE:' ';
HUSH:[\#];
WS:('\t'|'\n'|'\r')->skip;输出：
+++ AV_AW_GER_1111_SpringShop 2017-10-09 12:00:00
O&M #58513
%%/*123456*/FUN TEST:REC=ALL,SD=2017&10&02,ST=03&01&01,CLRSD=2017&10&09,CLRST=08&10&00;%%
RETCODE = 0 Operation succeeded
And Record 4 and 5 + details after. 解析器是skippinig记录1-3，但所有文件都已被读取。
回答 1
Stack Overflow用户
回答已采纳
发布于 2017-11-29 09:31:55
我认为令牌“函数”消耗了所有记录，在您的情况下，您应该使用一个非贪婪的规则，尝试如下：
FUNCTION:[\%][\%](.*?)[\%][\%];注意问号
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/47508970
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