config-parser-flex in C

A tiny parser to read content of a own config file using pure c and flex library.

Compile

$ flex myscanner.l
$ cc myscanner.c lex.yy.c 
$ ls
a.out  config.in  lex.yy.c  myscanner.c  myscanner.h  myscanner.l

Using

Run parser and get contents from config.in file via linux/unix command:

$ ./a.out  < config.in 
1
db_type is set to mysql
2
db_name is set to testdata
3
db_table_prefix is set to test_
4
db_port is set to 1099

Similar repositories

• https://github.com/BaseMax/calculator-flex-bison-c

Note

You can use %option nounput yylineno in lex file.

TODO

• Adding fopen() to read yyinput from file
• Using keyName as value (e.g: db_name : db_name)

Feel free to participate and develop.

Acknowledgment

I saw an lecture from Prof. Jonathan Engelsma and It's encouraged me to do this project myself.

© Copyright Max Base