39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
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*
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* regex.c: Interface to libPCRE (perl compatible regular expressions).
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*
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*/
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#pragma once
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#include <config.h>
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/**
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* Creates a new 'regex' struct containing the given pattern and a PCRE
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* compiled regular expression. Also, calls pcre_study because this regex will
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* most likely be used often (like for every new window and on every relevant
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* property change of existing windows).
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*
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* Returns NULL if the pattern could not be compiled into a regular expression
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* (and ELOGs an appropriate error message).
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*
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*/
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struct regex *regex_new(const char *pattern);
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/**
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* Frees the given regular expression. It must not be used afterwards!
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*
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*/
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void regex_free(struct regex *regex);
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/**
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* Checks if the given regular expression matches the given input and returns
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* true if it does. In either case, it logs the outcome using LOG(), so it will
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* be visible without debug logging.
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*
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*/
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bool regex_matches(struct regex *regex, const char *input);
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