RE: How to define the expression to check if a big char st ring contai ns small char string

From: Borse, Ganesh <ganesh.borse_at_credit-suisse.com>
Date: Fri, 30 Nov 2007 11:47:33 +0800

we cannot access the variables of gHaCuts like this. This does not work.

-----Original Message-----
From: owner-roottalk_at_root.cern.ch [mailto:owner-roottalk_at_root.cern.ch] On Behalf Of Fine, Valeri Sent: 30 November 2007 02:35
To: roottalk_at_root.cern.ch
Subject: FW: [ROOT] How to define the expression to check if a big char string contai ns small char string

The message is correct. I believe your method "Define" has no idea those listClients, ordClient are defined as the variables within the scope of another method.

Try something like this:

gHaCuts->Define("Expr",Form("((size < 1000) && (vol < (0.001 * ADV)) && 
gHaCuts->(prod == value) && strstr(\"%s\",\"%s\") )", 
gHaCuts->listClients,ordClient));

Best Regards

                         Valeri Fine

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Brookhaven National Laboratory
Upton, NY 11973, USA
Phone: +1 631 344 7806
Fax:     +1 631 344 4206
E-mail: fine_at_bnl.gov
-----Original Message-----
From: owner-roottalk_at_root.cern.ch [mailto:owner-roottalk_at_root.cern.ch] On Behalf Of Borse, Ganesh Sent: Wednesday, November 28, 2007 11:05 PM To: 'roottalk_at_lxbuild091.cern.ch'
Subject: [ROOT] How to define the expression to check if a big char string contai ns small char string

Hi,
I am trying to "Define" an expression to check whether a long char string contains another small char string. For this, I am using strstr() library function in C++. Expression is like this:
    THaVarList * gHaVars = new THaVarList();
    THaCutList * gHaCuts = new THaCutList(gHaVars);
    const char* listClients="ABCD,EFGH,HIJK,NEWONE,JUNK,DONE";
    const char* ordClient = "DONE";
    gHaVars->Define("listClients",listClients);
    gHaVars->Define("ordClient",ordClient);
    gHaCuts->Define("Expr","((size < 1000) && (vol < (0.001 * ADV)) && (prod == value) && strstr(listClients,ordClient) )"); Program compiles fine, but when I run this program, the Define() function call fails with an error message:
Error in <THaCut::Compile>: strstr requires 2 string arguments Error in <THaCutList::Define>: expression error, cut not created: Expr ((size < 1000) && (vol < (0.001 * ADV)) && (prod == value) && strstr((listClients),(ordClient)) ) block: Default I have given the correct number & type of input parameters to strstr, but then why is the "::Compile" still failing? How can we achieve this type of checks? Please help.
Thanks and Regards,
Ganesh

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Received on Fri Nov 30 2007 - 04:48:49 CET