| /*============================================================================ |
| CMake - Cross Platform Makefile Generator |
| Copyright 2000-2009 Kitware, Inc., Insight Software Consortium |
| |
| Distributed under the OSI-approved BSD License (the "License"); |
| see accompanying file Copyright.txt for details. |
| |
| This software is distributed WITHOUT ANY WARRANTY; without even the |
| implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the License for more information. |
| ============================================================================*/ |
| |
| #include "cmCommandArgumentsHelper.h" |
| |
| cmCommandArgument::cmCommandArgument(cmCommandArgumentsHelper* args, |
| const char* key, |
| cmCommandArgumentGroup* group) |
| : Key(key) |
| , Group(group) |
| , WasActive(false) |
| , ArgumentsBeforeEmpty(true) |
| , CurrentIndex(0) |
| { |
| if (args != 0) { |
| args->AddArgument(this); |
| } |
| |
| if (this->Group != 0) { |
| this->Group->ContainedArguments.push_back(this); |
| } |
| } |
| |
| void cmCommandArgument::Reset() |
| { |
| this->WasActive = false; |
| this->CurrentIndex = 0; |
| this->DoReset(); |
| } |
| |
| void cmCommandArgument::Follows(const cmCommandArgument* arg) |
| { |
| this->ArgumentsBeforeEmpty = false; |
| this->ArgumentsBefore.insert(arg); |
| } |
| |
| void cmCommandArgument::FollowsGroup(const cmCommandArgumentGroup* group) |
| { |
| if (group != 0) { |
| this->ArgumentsBeforeEmpty = false; |
| this->ArgumentsBefore.insert(group->ContainedArguments.begin(), |
| group->ContainedArguments.end()); |
| } |
| } |
| |
| bool cmCommandArgument::MayFollow(const cmCommandArgument* current) const |
| { |
| if (this->ArgumentsBeforeEmpty) { |
| return true; |
| } |
| |
| std::set<const cmCommandArgument*>::const_iterator argIt = |
| this->ArgumentsBefore.find(current); |
| if (argIt != this->ArgumentsBefore.end()) { |
| return true; |
| } |
| |
| return false; |
| } |
| |
| bool cmCommandArgument::KeyMatches(const std::string& key) const |
| { |
| if ((this->Key == 0) || (this->Key[0] == '\0')) { |
| return true; |
| } |
| return (key == this->Key); |
| } |
| |
| void cmCommandArgument::ApplyOwnGroup() |
| { |
| if (this->Group != 0) { |
| for (std::vector<cmCommandArgument*>::const_iterator it = |
| this->Group->ContainedArguments.begin(); |
| it != this->Group->ContainedArguments.end(); ++it) { |
| if (*it != this) { |
| this->ArgumentsBefore.insert(*it); |
| } |
| } |
| } |
| } |
| |
| void cmCommandArgument::Activate() |
| { |
| this->WasActive = true; |
| this->CurrentIndex = 0; |
| } |
| |
| bool cmCommandArgument::Consume(const std::string& arg) |
| { |
| bool res = this->DoConsume(arg, this->CurrentIndex); |
| this->CurrentIndex++; |
| return res; |
| } |
| |
| cmCAStringVector::cmCAStringVector(cmCommandArgumentsHelper* args, |
| const char* key, |
| cmCommandArgumentGroup* group) |
| : cmCommandArgument(args, key, group) |
| , Ignore(0) |
| { |
| if ((key == 0) || (*key == 0)) { |
| this->DataStart = 0; |
| } else { |
| this->DataStart = 1; |
| } |
| } |
| |
| bool cmCAStringVector::DoConsume(const std::string& arg, unsigned int index) |
| { |
| if (index >= this->DataStart) { |
| if ((this->Ignore == 0) || (arg != this->Ignore)) { |
| this->Vector.push_back(arg); |
| } |
| } |
| |
| return false; |
| } |
| |
| void cmCAStringVector::DoReset() |
| { |
| this->Vector.clear(); |
| } |
| |
| cmCAString::cmCAString(cmCommandArgumentsHelper* args, const char* key, |
| cmCommandArgumentGroup* group) |
| : cmCommandArgument(args, key, group) |
| { |
| if ((key == 0) || (*key == 0)) { |
| this->DataStart = 0; |
| } else { |
| this->DataStart = 1; |
| } |
| } |
| |
| bool cmCAString::DoConsume(const std::string& arg, unsigned int index) |
| { |
| if (index == this->DataStart) { |
| this->String = arg; |
| } |
| |
| return index >= this->DataStart; |
| } |
| |
| void cmCAString::DoReset() |
| { |
| this->String = ""; |
| } |
| |
| cmCAEnabler::cmCAEnabler(cmCommandArgumentsHelper* args, const char* key, |
| cmCommandArgumentGroup* group) |
| : cmCommandArgument(args, key, group) |
| , Enabled(false) |
| { |
| } |
| |
| bool cmCAEnabler::DoConsume(const std::string&, unsigned int index) |
| { |
| if (index == 0) { |
| this->Enabled = true; |
| } |
| return true; |
| } |
| |
| void cmCAEnabler::DoReset() |
| { |
| this->Enabled = false; |
| } |
| |
| cmCADisabler::cmCADisabler(cmCommandArgumentsHelper* args, const char* key, |
| cmCommandArgumentGroup* group) |
| : cmCommandArgument(args, key, group) |
| , Enabled(true) |
| { |
| } |
| |
| bool cmCADisabler::DoConsume(const std::string&, unsigned int index) |
| { |
| if (index == 0) { |
| this->Enabled = false; |
| } |
| return true; |
| } |
| |
| void cmCADisabler::DoReset() |
| { |
| this->Enabled = true; |
| } |
| |
| void cmCommandArgumentGroup::Follows(const cmCommandArgument* arg) |
| { |
| for (std::vector<cmCommandArgument*>::iterator it = |
| this->ContainedArguments.begin(); |
| it != this->ContainedArguments.end(); ++it) { |
| (*it)->Follows(arg); |
| } |
| } |
| |
| void cmCommandArgumentGroup::FollowsGroup(const cmCommandArgumentGroup* group) |
| { |
| for (std::vector<cmCommandArgument*>::iterator it = |
| this->ContainedArguments.begin(); |
| it != this->ContainedArguments.end(); ++it) { |
| (*it)->FollowsGroup(group); |
| } |
| } |
| |
| void cmCommandArgumentsHelper::Parse(const std::vector<std::string>* args, |
| std::vector<std::string>* unconsumedArgs) |
| { |
| if (args == 0) { |
| return; |
| } |
| |
| for (std::vector<cmCommandArgument*>::iterator argIt = |
| this->Arguments.begin(); |
| argIt != this->Arguments.end(); ++argIt) { |
| (*argIt)->ApplyOwnGroup(); |
| (*argIt)->Reset(); |
| } |
| |
| cmCommandArgument* activeArgument = 0; |
| const cmCommandArgument* previousArgument = 0; |
| for (std::vector<std::string>::const_iterator it = args->begin(); |
| it != args->end(); ++it) { |
| for (std::vector<cmCommandArgument*>::iterator argIt = |
| this->Arguments.begin(); |
| argIt != this->Arguments.end(); ++argIt) { |
| if ((*argIt)->KeyMatches(*it) && |
| ((*argIt)->MayFollow(previousArgument))) { |
| activeArgument = *argIt; |
| activeArgument->Activate(); |
| break; |
| } |
| } |
| |
| if (activeArgument) { |
| bool argDone = activeArgument->Consume(*it); |
| previousArgument = activeArgument; |
| if (argDone) { |
| activeArgument = 0; |
| } |
| } else { |
| if (unconsumedArgs != 0) { |
| unconsumedArgs->push_back(*it); |
| } |
| } |
| } |
| } |
| |
| void cmCommandArgumentsHelper::AddArgument(cmCommandArgument* arg) |
| { |
| this->Arguments.push_back(arg); |
| } |