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Pig: Added ::getOneOf
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2 changed files with 22 additions and 0 deletions
20
src/Pig.cpp
20
src/Pig.cpp
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@ -263,6 +263,26 @@ bool Pig::getNumber (double& result)
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return false;
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}
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////////////////////////////////////////////////////////////////////////////////
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// Assumes that the options are sorted by decreasing length, so that if the
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// options contain 'fourteen' and 'four', the stream is first matched against
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// the longer entry.
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bool Pig::getOneOf (
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const std::vector <std::string>& options,
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std::string& found)
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{
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for (auto& option : options)
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{
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if (skipLiteral (option))
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{
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found = option;
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return true;
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}
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}
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return false;
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}
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////////////////////////////////////////////////////////////////////////////////
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bool Pig::getRemainder (std::string& result)
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{
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@ -28,6 +28,7 @@
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#define INCLUDED_PIG
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#include <string>
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#include <vector>
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class Pig
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{
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@ -44,6 +45,7 @@ public:
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bool getDigits (int&);
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bool getNumber (std::string&);
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bool getNumber (double&);
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bool getOneOf (const std::vector <std::string>&, std::string&);
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bool getRemainder (std::string&);
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bool eos () const;
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