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Lexer2

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- Stubbed ::isDate and ::isDuration methods.
This commit is contained in:
Paul Beckingham 2015-02-21 09:19:24 -08:00
parent 1128ad8259
commit 0d23511cee
2 changed files with 27 additions and 4 deletions
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25
src/Lexer2.cpp
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@ -59,8 +59,7 @@ bool Lexer2::token (std::string& token, Lexer2::Type& type)
return false;
// The sequence is specific, and must follow these rules:
// - date < uuid < identifier
// - duration < identifier
// - date < duration < uuid < identifier
// - url < pair < identifier
// - hex < number
// - separator < tag < operator
@ -68,6 +67,8 @@ bool Lexer2::token (std::string& token, Lexer2::Type& type)
// - word last
if (isString (token, type, '\'') ||
isString (token, type, '"') ||
isDate (token, type) ||
isDuration (token, type) ||
isUUID (token, type) ||
isHexNumber (token, type) ||
isNumber (token, type) ||
@ -124,6 +125,8 @@ const std::string Lexer2::typeName (const Lexer2::Type& type)
case Lexer2::Type::op: return "op";
case Lexer2::Type::identifier: return "identifier";
case Lexer2::Type::word: return "word";
case Lexer2::Type::date: return "date";
case Lexer2::Type::duration: return "duration";
}
}
@ -383,6 +386,22 @@ bool Lexer2::isString (std::string& token, Lexer2::Type& type, int quote)
return false;
}
////////////////////////////////////////////////////////////////////////////////
// Lexer2::Type::date
//
bool Lexer2::isDate (std::string& token, Lexer2::Type& type)
{
return false;
}
////////////////////////////////////////////////////////////////////////////////
// Lexer2::Type::duration
//
bool Lexer2::isDuration (std::string& token, Lexer2::Type& type)
{
return false;
}
////////////////////////////////////////////////////////////////////////////////
// Lexer2::Type::uuid
// XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
@ -867,6 +886,8 @@ std::string Lexer2::typeToString (Lexer2::Type type)
else if (type == Lexer2::Type::op) return std::string ("\033[38;5;7m\033[48;5;203m") + "op" + "\033[0m";
else if (type == Lexer2::Type::identifier) return std::string ("\033[38;5;15m\033[48;5;244m") + "identifier" + "\033[0m";
else if (type == Lexer2::Type::word) return std::string ("\033[38;5;15m\033[48;5;236m") + "word" + "\033[0m";
else if (type == Lexer2::Type::date) return std::string ("\033[38;5;15m\033[48;5;34") + "date" + "\033[0m";
else if (type == Lexer2::Type::duration) return std::string ("\033[38;5;15m\033[48;5;34") + "duration" + "\033[0m";
else return std::string ("\033[37;41m") + "unknown" + "\033[0m";
}

4
src/Lexer2.h
View file

@ -45,7 +45,7 @@ public:
substitution, pattern,
op,
identifier, word,
/*date,*/ /*duration,*/ };
date, duration };
Lexer2 (const std::string&);
~Lexer2 ();
@ -75,6 +75,8 @@ public:
// Classifiers.
bool isString (std::string&, Lexer2::Type&, int quote);
bool isDate (std::string&, Lexer2::Type&);
bool isDuration (std::string&, Lexer2::Type&);
bool isUUID (std::string&, Lexer2::Type&);
bool isNumber (std::string&, Lexer2::Type&);
bool isHexNumber (std::string&, Lexer2::Type&);