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Regex

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- Implemented RegX class to maintain a separate compile, and match
  method, thereby allowing efficient re-use of the regex.  This is
  critical to Expression::eval, where an identical regex might be
  applied to every task.
- Obsoleted rx.{h,cpp}, which combined the compile and match steps
  into a single call, and is therefore not efficient when used in
  the context of filtering.
- Fixed some unit tests that weren't building.  Now they do.  They
  don't work of course (don't be silly) but that's a problem for
  another day.
- Modified all code that relies on rx.h to use RegX.h.
This commit is contained in:
Paul Beckingham 2011-06-21 01:43:57 -04:00
parent aa8d872466
commit b49523c06d
14 changed files with 249 additions and 490 deletions
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31
src/Att.cpp
View file

@ -30,7 +30,7 @@
#include <stdlib.h>
#include <string.h>
#include <text.h>
#include <rx.h>
#include <RegX.h>
#include <Color.h>
#include <util.h>
#include <Date.h>
@ -634,7 +634,8 @@ bool Att::match (const Att& other) const
if (regex)
{
std::string pattern = "^" + mValue + "$";
if (!regexMatch (other.mValue, pattern, case_sensitive))
RegX r (pattern, case_sensitive);
if (!r.match (other.mValue))
return false;
}
else if (!compare (mValue, other.mValue, (bool) case_sensitive))
@ -652,7 +653,8 @@ bool Att::match (const Att& other) const
#ifdef FEATURE_REGEX
if (regex)
{
if (!regexMatch (other.mValue, mValue, case_sensitive))
RegX r (mValue, case_sensitive);
if (!r.match (other.mValue))
return false;
}
else if (find (other.mValue, mValue, (bool) case_sensitive) == std::string::npos)
@ -670,7 +672,8 @@ bool Att::match (const Att& other) const
if (regex)
{
std::string pattern = "^" + mValue + "$";
if (!regexMatch (other.mValue, pattern, case_sensitive))
RegX r (pattern, case_sensitive);
if (!r.match (other.mValue))
return false;
}
else if (!compare (mValue, other.mValue, (bool) case_sensitive))
@ -688,7 +691,8 @@ bool Att::match (const Att& other) const
if (regex)
{
std::string pattern = "^" + mValue + "$";
if (regexMatch (other.mValue, pattern, case_sensitive))
RegX r (pattern, case_sensitive);
if (r.match (other.mValue))
return false;
}
else if (compare (mValue, other.mValue, (bool) case_sensitive))
@ -720,7 +724,8 @@ bool Att::match (const Att& other) const
if (regex)
{
std::string pattern = "^" + mValue;
if (!regexMatch (other.mValue, pattern, case_sensitive))
RegX r (pattern, case_sensitive);
if (!r.match (other.mValue))
return false;
}
else
@ -743,7 +748,8 @@ bool Att::match (const Att& other) const
if (regex)
{
std::string pattern = mValue + "$";
if (!regexMatch (other.mValue, pattern, case_sensitive))
RegX r (pattern, case_sensitive);
if (!r.match (other.mValue))
return false;
}
else
@ -767,7 +773,8 @@ bool Att::match (const Att& other) const
#ifdef FEATURE_REGEX
if (regex)
{
if (regexMatch (other.mValue, mValue, case_sensitive))
RegX r (mValue, case_sensitive);
if (r.match (other.mValue))
return false;
}
else if (find (other.mValue, mValue, (bool) case_sensitive) != std::string::npos)
@ -862,7 +869,8 @@ bool Att::match (const Att& other) const
{
std::vector <int> start;
std::vector <int> end;
if (!regexMatch (start, end, other.mValue, mValue, case_sensitive))
RegX r (mValue, case_sensitive);
if (!r.match (start, end, other.mValue))
return false;
if (!isWordStart (other.mValue, start[0]))
@ -898,8 +906,9 @@ bool Att::match (const Att& other) const
{
std::vector <int> start;
std::vector <int> end;
if (regexMatch (start, end, other.mValue, mValue, case_sensitive) &&
isWordStart (other.mValue, start[0]) &&
RegX r (mValue, case_sensitive);
if (r.match (start, end, other.mValue) &&
isWordStart (other.mValue, start[0]) &&
isWordEnd (other.mValue, end[0]))
return false;
}