"checkit_tiff" is an incredibly fast conformance checker for baseline TIFFs (with various extensions), see http://andreas-romeyke.de
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Andreas Romeyke 791fec2cb9 - fixed ICC version il y a 1 an
common - helper script added to visualize PEG grammar more easily il y a 3 ans
example_configs - use printascii instead regex il y a 1 an
src - bugfix, order of linetype is important, now "include()" should be detected successfully il y a 1 an
t - fixed tc count il y a 2 ans
tiffs_should_fail - added more minimal tiffs il y a 1 an
tiffs_should_pass - fixed ICC version il y a 1 an
.gitignore Ignore compiled files and build directory. il y a 4 ans
BUGS - renamed checkit/ checkit_tiff/ to prepare repos split il y a 4 ans
FAQ - fixed links il y a 1 an
LICENSE - fixed copyright years il y a 2 ans
README.1st_checkit - fixed links il y a 1 an
README.TIFFrisks - fixed typos il y a 3 ans
README.TIFFspecification - fixed typos il y a 3 ans
README.compile - added hint if segfault on highly corrupted tiff files il y a 1 an
README.grammar - added hint about checkit_check_config il y a 3 ans
README.icc - added hint about ICC il y a 3 ans
README.regex - fixed typos il y a 3 ans
TODO - renamed checkit/ checkit_tiff/ to prepare repos split il y a 4 ans
grammar.xhtml - new grammar with enhanced modes and new Content definitions il y a 3 ans

README.regex

= RegEx =

the program uses the pcre-library for regular expressions in ascii matching
rules (in config file).

If you use a regex similar to "^[:print:]*$" it does not match on
* all strings containing characters outside of printable ascii range (see 'man
pcre2pattern' for details)
* an empty string "" will not matched, because we defined PCRE_NOTEMPTY.
An empty string is not a valid match, this behaviour is a design choice.
* Unicode is not set, because TIFF specification is in general ASCII based
(PCRE_UTF8 not set)