I have a file(as text) from which I should extract all included files names.
The implementation should be in C++
What I thought to do is to read a file line after line (getline)
check if line starts from #include - how do I do that?(there could be leading spaces)
and after that extract the file name - the string which is between " " - how do I do that?
Thanks
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YAKOVM
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1Show us what did you try (code) and at which point you're having problems. – m0skit0 Jan 23 '13 at 09:46
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Why don't you get the string and check it char-by-char or use `regex`? – Maroun Jan 23 '13 at 09:47
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First of all an include may be placed either between <> or between "" so you have to check for both.
Next - best way to do what you try is using regular expressions. If you are using c++11 they will be part of the standard and you should be good to go. If that is not the case maybe try boost::regex for instance.
If using regular expressions is not an option you will have to implement your own parsing but this will be error-prone and most probably you will miss some freaky edge-case. If I have to I would implement such parsing by going over the file line by line. Than I would check if the line contains #include as substring and verify there are only whitespaces before it. If the line does have the mentioned substring I would than iterate over the remaining part of the line to parse the part between <> or "".
Ivaylo Strandjev
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