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#include "token.h"
#include <util/string/vector.h>
#include <util/string/printf.h>
namespace NYson {
////////////////////////////////////////////////////////////////////////////////
ETokenType CharToTokenType(char ch) {
switch (ch) {
case ';':
return ETokenType::Semicolon;
case '=':
return ETokenType::Equals;
case '{':
return ETokenType::LeftBrace;
case '}':
return ETokenType::RightBrace;
case '#':
return ETokenType::Hash;
case '[':
return ETokenType::LeftBracket;
case ']':
return ETokenType::RightBracket;
case '<':
return ETokenType::LeftAngle;
case '>':
return ETokenType::RightAngle;
case '(':
return ETokenType::LeftParenthesis;
case ')':
return ETokenType::RightParenthesis;
case '+':
return ETokenType::Plus;
case ':':
return ETokenType::Colon;
case ',':
return ETokenType::Comma;
default:
return ETokenType::EndOfStream;
}
}
char TokenTypeToChar(ETokenType type) {
switch (type) {
case ETokenType::Semicolon:
return ';';
case ETokenType::Equals:
return '=';
case ETokenType::Hash:
return '#';
case ETokenType::LeftBracket:
return '[';
case ETokenType::RightBracket:
return ']';
case ETokenType::LeftBrace:
return '{';
case ETokenType::RightBrace:
return '}';
case ETokenType::LeftAngle:
return '<';
case ETokenType::RightAngle:
return '>';
case ETokenType::LeftParenthesis:
return '(';
case ETokenType::RightParenthesis:
return ')';
case ETokenType::Plus:
return '+';
case ETokenType::Colon:
return ':';
case ETokenType::Comma:
return ',';
default:
Y_ABORT("unreachable");
}
}
TString TokenTypeToString(ETokenType type) {
return TString(1, TokenTypeToChar(type));
}
////////////////////////////////////////////////////////////////////////////////
const TToken TToken::EndOfStream;
TToken::TToken()
: Type_(ETokenType::EndOfStream)
, Int64Value(0)
, Uint64Value(0)
, DoubleValue(0.0)
, BooleanValue(false)
{
}
TToken::TToken(ETokenType type)
: Type_(type)
, Int64Value(0)
, Uint64Value(0)
, DoubleValue(0.0)
, BooleanValue(false)
{
switch (type) {
case ETokenType::String:
case ETokenType::Int64:
case ETokenType::Uint64:
case ETokenType::Double:
case ETokenType::Boolean:
Y_ABORT("unreachable");
default:
break;
}
}
TToken::TToken(const TStringBuf& stringValue)
: Type_(ETokenType::String)
, StringValue(stringValue)
, Int64Value(0)
, Uint64Value(0)
, DoubleValue(0.0)
, BooleanValue(false)
{
}
TToken::TToken(i64 int64Value)
: Type_(ETokenType::Int64)
, Int64Value(int64Value)
, Uint64Value(0)
, DoubleValue(0.0)
{
}
TToken::TToken(ui64 uint64Value)
: Type_(ETokenType::Uint64)
, Int64Value(0)
, Uint64Value(uint64Value)
, DoubleValue(0.0)
, BooleanValue(false)
{
}
TToken::TToken(double doubleValue)
: Type_(ETokenType::Double)
, Int64Value(0)
, Uint64Value(0)
, DoubleValue(doubleValue)
, BooleanValue(false)
{
}
TToken::TToken(bool booleanValue)
: Type_(ETokenType::Boolean)
, Int64Value(0)
, DoubleValue(0.0)
, BooleanValue(booleanValue)
{
}
bool TToken::IsEmpty() const {
return Type_ == ETokenType::EndOfStream;
}
const TStringBuf& TToken::GetStringValue() const {
CheckType(ETokenType::String);
return StringValue;
}
i64 TToken::GetInt64Value() const {
CheckType(ETokenType::Int64);
return Int64Value;
}
ui64 TToken::GetUint64Value() const {
CheckType(ETokenType::Uint64);
return Uint64Value;
}
double TToken::GetDoubleValue() const {
CheckType(ETokenType::Double);
return DoubleValue;
}
bool TToken::GetBooleanValue() const {
CheckType(ETokenType::Boolean);
return BooleanValue;
}
void TToken::CheckType(ETokenType expectedType) const {
if (Type_ != expectedType) {
if (Type_ == ETokenType::EndOfStream) {
ythrow TYsonException() << "Unexpected end of stream (ExpectedType: " << TokenTypeToString(expectedType) << ")";
} else {
ythrow TYsonException() << "Unexpected token (Token: '" << ToString(*this)
<< "', Type: " << TokenTypeToString(Type_)
<< ", ExpectedType: " << TokenTypeToString(expectedType) << ")";
}
}
}
void TToken::Reset() {
Type_ = ETokenType::EndOfStream;
Int64Value = 0;
Uint64Value = 0;
DoubleValue = 0.0;
StringValue = TStringBuf();
BooleanValue = false;
}
TString ToString(const TToken& token) {
switch (token.GetType()) {
case ETokenType::EndOfStream:
return TString();
case ETokenType::String:
return TString(token.GetStringValue());
case ETokenType::Int64:
return ::ToString(token.GetInt64Value());
case ETokenType::Uint64:
return ::ToString(token.GetUint64Value());
case ETokenType::Double:
return ::ToString(token.GetDoubleValue());
case ETokenType::Boolean:
return token.GetBooleanValue() ? "true" : "false";
default:
return TokenTypeToString(token.GetType());
}
}
////////////////////////////////////////////////////////////////////////////////
} // namespace NYson
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