On 01-Jul-16 15:58, Brad King wrote:
On 07/01/2016 08:01 AM, Ruslan Baratov via cmake-developers wrote:
With attached patch it's possible to extract name from URLs like
'https://.../archive.tar.gz?a=x&b=y'.
Thanks.
elseif(NOT "${fname}" MATCHES
"(\\.|=)(7z|tar|tar\\.bz2|tar\\.gz|tar\\.xz|tbz2|tgz|txz|zip)$")
- message(FATAL_ERROR "Could not extract tarball filename from url:\n
${url}")
+ # Try: https://.../archive.tar.gz?a=x&b=y
+ string(REGEX MATCH "^.*/([^/]*)\\?.*$" match_result "${url}")
+ set(fname "${CMAKE_MATCH_1}")
+ if(NOT "${fname}" MATCHES
"(\\.|=)(7z|tar|tar\\.bz2|tar\\.gz|tar\\.xz|tbz2|tgz|txz|zip)$")
+ message(FATAL_ERROR "Could not extract tarball filename from url:\n
${url}")
+ endif()
Please try to structure the logic right in the if/elseif part.
Matching in those also sets `CMAKE_MATCH_*` variables so one
does not need to double-match.
'elseif' part try to find 'archive.tar.gz' in '${fname}', then
'string(REGEX' try to match it in '${url}'. There is no reusing of
'CMAKE_MATCH_*'.
Also, the `([^/]*)\\?.*` part of the regex should be more
like `([^/?]*)\\?.*` to avoid eagerly matching early `?`.
We can't have question mark ('?') in path as far as I understand, it
should be percent-encoded, will be |'%3F'.|||
https://en.wikipedia.org/wiki/Uniform_Resource_Locator#Syntax
https://en.wikipedia.org/wiki/Percent-encoding
Ruslo
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