OilfieldToolsNet/opm-common
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Implement InputStack with std::stack

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Save some implementation by using std::stack as interface and
implementation for InputStack. Remove the vector pair of file and file*
and just use file directly.
This commit is contained in:
Jørgen Kvalsvik 2016-05-24 12:40:40 +02:00
parent 21de4055bc
commit 726b0d0957
1 changed files with 8 additions and 14 deletions
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22
opm/parser/eclipse/Parser/Parser.cpp
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@ -178,24 +178,18 @@ struct file {
boost::filesystem::path path;
};
class InputStack {
class InputStack : public std::stack< file, std::vector< file > > {
public:
bool empty() const { return this->file_stack.empty(); }
file& peek() { return *this->file_stack.back(); }
const file& peek() const { return *this->file_stack.back(); }
void pop() { this->file_stack.pop_back(); };
void push( std::string&& input, boost::filesystem::path p = "" );
private:
std::list< std::string > string_storage;
std::list< file > file_storage;
std::vector< file* > file_stack;
using base = std::stack< file, std::vector< file > >;
};
void InputStack::push( std::string&& input, boost::filesystem::path p ) {
this->string_storage.push_back( std::move( input ) );
this->file_storage.emplace_back( p, this->string_storage.back() );
this->file_stack.push_back( &this->file_storage.back() );
this->emplace( p, this->string_storage.back() );
}
class ParserState {
@ -233,17 +227,17 @@ class ParserState {
const boost::filesystem::path& ParserState::current_path() const {
return this->input_stack.peek().path;
return this->input_stack.top().path;
}
size_t ParserState::line() const {
return this->input_stack.peek().lineNR;
return this->input_stack.top().lineNR;
}
bool ParserState::done() const {
while( !this->input_stack.empty() &&
this->input_stack.peek().input.empty() )
this->input_stack.top().input.empty() )
const_cast< ParserState* >( this )->input_stack.pop();
return this->input_stack.empty();
@ -252,8 +246,8 @@ bool ParserState::done() const {
string_view ParserState::getline() {
string_view line;
Opm::getline( this->input_stack.peek().input, line );
this->input_stack.peek().lineNR++;
Opm::getline( this->input_stack.top().input, line );
this->input_stack.top().lineNR++;
return line;
}