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regex: Use static regexs where possible 

Rather than declaring and compiling a constant regex every time a chunk
of code is executed, build the regex once.
This commit is contained in:
Ben Boeckel 2014-04-30 13:12:29 -04:00
parent 9e8fa1043c
commit 3e7194a215
5 changed files with 14 additions and 19 deletions
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4
Source/CPack/cmCPackNSISGenerator.cxx
View File

@ -588,8 +588,8 @@ void cmCPackNSISGenerator::CreateMenuLinks( cmOStringStream& str,
return;
}
cmsys::RegularExpression urlRegex;
urlRegex.compile("^(mailto:|(ftps?|https?|news)://).*$");
static cmsys::RegularExpression
urlRegex("^(mailto:|(ftps?|https?|news)://).*$");
std::vector<std::string>::iterator it;
for ( it = cpackMenuLinksVector.begin();

4
Source/cmComputeLinkInformation.cxx
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@ -1831,8 +1831,8 @@ cmComputeLinkInformation::AddLibraryRuntimeInfo(std::string const& fullPath)
{
if(fullPath.find(".framework") != std::string::npos)
{
cmsys::RegularExpression splitFramework;
splitFramework.compile("^(.*)/(.*).framework/(.*)$");
static cmsys::RegularExpression
splitFramework("^(.*)/(.*).framework/(.*)$");
if(splitFramework.find(fullPath) &&
(std::string::npos !=
splitFramework.match(3).find(splitFramework.match(2))))

5
Source/cmGeneratorExpression.cxx
View File

@ -469,12 +469,11 @@ std::string::size_type cmGeneratorExpression::Find(const std::string &input)
//----------------------------------------------------------------------------
bool cmGeneratorExpression::IsValidTargetName(const std::string &input)
{
cmsys::RegularExpression targetNameValidator;
// The ':' is supported to allow use with IMPORTED targets. At least
// Qt 4 and 5 IMPORTED targets use ':' as the namespace delimiter.
targetNameValidator.compile("^[A-Za-z0-9_.:+-]+$");
static cmsys::RegularExpression targetNameValidator("^[A-Za-z0-9_.:+-]+$");
return targetNameValidator.find(input.c_str());
return targetNameValidator.find(input);
}
//----------------------------------------------------------------------------

12
Source/cmGeneratorExpressionEvaluator.cxx
View File

@ -401,8 +401,7 @@ struct CompilerIdNode : public cmGeneratorExpressionNode
{
return compilerId ? compilerId : "";
}
cmsys::RegularExpression compilerIdValidator;
compilerIdValidator.compile("^[A-Za-z0-9_]*$");
static cmsys::RegularExpression compilerIdValidator("^[A-Za-z0-9_]*$");
if (!compilerIdValidator.find(parameters.begin()->c_str()))
{
reportError(context, content->GetOriginalExpression(),
@ -509,8 +508,7 @@ struct CompilerVersionNode : public cmGeneratorExpressionNode
return compilerVersion ? compilerVersion : "";
}
cmsys::RegularExpression compilerIdValidator;
compilerIdValidator.compile("^[0-9\\.]*$");
static cmsys::RegularExpression compilerIdValidator("^[0-9\\.]*$");
if (!compilerIdValidator.find(parameters.begin()->c_str()))
{
reportError(context, content->GetOriginalExpression(),
@ -711,8 +709,7 @@ static const struct ConfigurationTestNode : public cmGeneratorExpressionNode
{
return configurationNode.Evaluate(parameters, context, content, 0);
}
cmsys::RegularExpression configValidator;
configValidator.compile("^[A-Za-z0-9_]*$");
static cmsys::RegularExpression configValidator("^[A-Za-z0-9_]*$");
if (!configValidator.find(parameters.begin()->c_str()))
{
reportError(context, content->GetOriginalExpression(),
@ -884,8 +881,7 @@ static const struct TargetPropertyNode : public cmGeneratorExpressionNode
"$<TARGET_PROPERTY:...> expression requires one or two parameters");
return std::string();
}
cmsys::RegularExpression propertyNameValidator;
propertyNameValidator.compile("^[A-Za-z0-9_]+$");
static cmsys::RegularExpression propertyNameValidator("^[A-Za-z0-9_]+$");
cmTarget const* target = context->HeadTarget;
std::string propertyName = *parameters.begin();

8
Source/cmOrderDirectories.cxx
View File

@ -39,8 +39,8 @@ public:
if(file.rfind(".framework") != std::string::npos)
{
cmsys::RegularExpression splitFramework;
splitFramework.compile("^(.*)/(.*).framework/(.*)$");
static cmsys::RegularExpression
splitFramework("^(.*)/(.*).framework/(.*)$");
if(splitFramework.find(file) &&
(std::string::npos !=
splitFramework.match(3).find(splitFramework.match(2))))
@ -326,8 +326,8 @@ void cmOrderDirectories::AddRuntimeLibrary(std::string const& fullPath,
if(fullPath.rfind(".framework") != std::string::npos)
{
cmsys::RegularExpression splitFramework;
splitFramework.compile("^(.*)/(.*).framework/(.*)$");
static cmsys::RegularExpression
splitFramework("^(.*)/(.*).framework/(.*)$");
if(splitFramework.find(fullPath) &&
(std::string::npos !=
splitFramework.match(3).find(splitFramework.match(2))))