Tpt
7 years ago
parent
4b3bc7a3fe
commit
21a4b78105
File diff suppressed because it is too large
Load Diff
@ -1,644 +0,0 @@ |
||||
use model::*; |
||||
use sparql::model::*; |
||||
use std::fmt; |
||||
use std::ops::Add; |
||||
use utils::Escaper; |
||||
|
||||
#[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Hash)] |
||||
pub struct TriplePattern { |
||||
subject: TermOrVariable, |
||||
predicate: NamedNodeOrVariable, |
||||
object: TermOrVariable, |
||||
} |
||||
|
||||
impl TriplePattern { |
||||
pub fn new( |
||||
subject: impl Into<TermOrVariable>, |
||||
predicate: impl Into<NamedNodeOrVariable>, |
||||
object: impl Into<TermOrVariable>, |
||||
) -> Self { |
||||
Self { |
||||
subject: subject.into(), |
||||
predicate: predicate.into(), |
||||
object: object.into(), |
||||
} |
||||
} |
||||
} |
||||
|
||||
impl fmt::Display for TriplePattern { |
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
||||
write!(f, "{} {} {}", self.subject, self.predicate, self.object) |
||||
} |
||||
} |
||||
|
||||
#[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Hash)] |
||||
pub enum PropertyPath { |
||||
PredicatePath(NamedNodeOrVariable), |
||||
InversePath(Box<PropertyPath>), |
||||
SequencePath(Vec<PropertyPath>), |
||||
AlternativePath(Vec<PropertyPath>), |
||||
ZeroOrMorePath(Box<PropertyPath>), |
||||
OneOrMorePath(Box<PropertyPath>), |
||||
ZeroOrOnePath(Box<PropertyPath>), |
||||
NegatedPath(Box<PropertyPath>), |
||||
} |
||||
|
||||
impl fmt::Display for PropertyPath { |
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
||||
match self { |
||||
PropertyPath::PredicatePath(p) => write!(f, "{}", p), |
||||
PropertyPath::InversePath(p) => write!(f, "^{}", p), |
||||
PropertyPath::SequencePath(ps) => write!( |
||||
f, |
||||
"({})", |
||||
ps.iter() |
||||
.map(|v| v.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(" / ") |
||||
), |
||||
PropertyPath::AlternativePath(ps) => write!( |
||||
f, |
||||
"({})", |
||||
ps.iter() |
||||
.map(|v| v.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(" | ") |
||||
), |
||||
PropertyPath::ZeroOrMorePath(p) => write!(f, "{}*", p), |
||||
PropertyPath::OneOrMorePath(p) => write!(f, "{}+", p), |
||||
PropertyPath::ZeroOrOnePath(p) => write!(f, "{}?", p), |
||||
PropertyPath::NegatedPath(p) => write!(f, "!{}", p), |
||||
} |
||||
} |
||||
} |
||||
|
||||
impl From<NamedNodeOrVariable> for PropertyPath { |
||||
fn from(p: NamedNodeOrVariable) -> Self { |
||||
PropertyPath::PredicatePath(p) |
||||
} |
||||
} |
||||
|
||||
impl From<NamedNode> for PropertyPath { |
||||
fn from(p: NamedNode) -> Self { |
||||
PropertyPath::PredicatePath(p.into()) |
||||
} |
||||
} |
||||
|
||||
impl From<Variable> for PropertyPath { |
||||
fn from(p: Variable) -> Self { |
||||
PropertyPath::PredicatePath(p.into()) |
||||
} |
||||
} |
||||
|
||||
#[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Hash)] |
||||
pub struct PropertyPathPattern { |
||||
subject: TermOrVariable, |
||||
path: PropertyPath, |
||||
object: TermOrVariable, |
||||
} |
||||
|
||||
impl PropertyPathPattern { |
||||
pub fn new( |
||||
subject: impl Into<TermOrVariable>, |
||||
path: impl Into<PropertyPath>, |
||||
object: impl Into<TermOrVariable>, |
||||
) -> Self { |
||||
Self { |
||||
subject: subject.into(), |
||||
path: path.into(), |
||||
object: object.into(), |
||||
} |
||||
} |
||||
} |
||||
|
||||
impl fmt::Display for PropertyPathPattern { |
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
||||
write!(f, "{} {} {}", self.subject, self.path, self.object) |
||||
} |
||||
} |
||||
|
||||
impl From<TriplePattern> for PropertyPathPattern { |
||||
fn from(p: TriplePattern) -> Self { |
||||
Self { |
||||
subject: p.subject, |
||||
path: p.predicate.into(), |
||||
object: p.object, |
||||
} |
||||
} |
||||
} |
||||
|
||||
#[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Hash)] |
||||
pub enum Expression { |
||||
ConstantExpression(TermOrVariable), |
||||
OrExpression(Vec<Expression>), |
||||
AndExpression(Vec<Expression>), |
||||
EqualExpression(Box<Expression>, Box<Expression>), |
||||
NotEqualExpression(Box<Expression>, Box<Expression>), |
||||
GreaterExpression(Box<Expression>, Box<Expression>), |
||||
GreaterOrEqExpression(Box<Expression>, Box<Expression>), |
||||
LowerExpression(Box<Expression>, Box<Expression>), |
||||
LowerOrEqExpression(Box<Expression>, Box<Expression>), |
||||
InExpression(Box<Expression>, Vec<Expression>), |
||||
NotInExpression(Box<Expression>, Vec<Expression>), |
||||
AddExpression(Box<Expression>, Box<Expression>), |
||||
SubExpression(Box<Expression>, Box<Expression>), |
||||
MulExpression(Box<Expression>, Box<Expression>), |
||||
DivExpression(Box<Expression>, Box<Expression>), |
||||
UnaryPlusExpression(Box<Expression>), |
||||
UnaryMinusExpression(Box<Expression>), |
||||
UnaryNotExpression(Box<Expression>), |
||||
StrFunctionCall(Box<Expression>), |
||||
LangFunctionCall(Box<Expression>), |
||||
LangMatchesFunctionCall(Box<Expression>, Box<Expression>), |
||||
DatatypeFunctionCall(Box<Expression>), |
||||
BoundFunctionCall(Variable), |
||||
IRIFunctionCall(Box<Expression>), |
||||
BNodeFunctionCall(Option<Box<Expression>>), |
||||
RandFunctionCall(), |
||||
AbsFunctionCall(Box<Expression>), |
||||
CeilFunctionCall(Box<Expression>), |
||||
FloorFunctionCall(Box<Expression>), |
||||
RoundFunctionCall(Box<Expression>), |
||||
ConcatFunctionCall(Vec<Expression>), |
||||
SubStrFunctionCall(Box<Expression>, Box<Expression>, Option<Box<Expression>>), |
||||
StrLenFunctionCall(Box<Expression>), |
||||
ReplaceFunctionCall( |
||||
Box<Expression>, |
||||
Box<Expression>, |
||||
Box<Expression>, |
||||
Option<Box<Expression>>, |
||||
), |
||||
UCaseFunctionCall(Box<Expression>), |
||||
LCaseFunctionCall(Box<Expression>), |
||||
EncodeForURIFunctionCall(Box<Expression>), |
||||
ContainsFunctionCall(Box<Expression>, Box<Expression>), |
||||
StrStartsFunctionCall(Box<Expression>, Box<Expression>), |
||||
StrEndsFunctionCall(Box<Expression>, Box<Expression>), |
||||
StrBeforeFunctionCall(Box<Expression>, Box<Expression>), |
||||
StrAfterFunctionCall(Box<Expression>, Box<Expression>), |
||||
YearFunctionCall(Box<Expression>), |
||||
MonthFunctionCall(Box<Expression>), |
||||
DayFunctionCall(Box<Expression>), |
||||
HoursFunctionCall(Box<Expression>), |
||||
MinutesFunctionCall(Box<Expression>), |
||||
SecondsFunctionCall(Box<Expression>), |
||||
TimezoneFunctionCall(Box<Expression>), |
||||
NowFunctionCall(), |
||||
UUIDFunctionCall(), |
||||
StrUUIDFunctionCall(), |
||||
MD5FunctionCall(Box<Expression>), |
||||
SHA1FunctionCall(Box<Expression>), |
||||
SHA256FunctionCall(Box<Expression>), |
||||
SHA384FunctionCall(Box<Expression>), |
||||
SHA512FunctionCall(Box<Expression>), |
||||
CoalesceFunctionCall(Vec<Expression>), |
||||
IfFunctionCall(Box<Expression>, Box<Expression>, Box<Expression>), |
||||
StrLangFunctionCall(Box<Expression>, Box<Expression>), |
||||
StrDTFunctionCall(Box<Expression>, Box<Expression>), |
||||
SameTermFunctionCall(Box<Expression>, Box<Expression>), |
||||
IsIRIFunctionCall(Box<Expression>), |
||||
IsBlankFunctionCall(Box<Expression>), |
||||
IsLiteralFunctionCall(Box<Expression>), |
||||
IsNumericFunctionCall(Box<Expression>), |
||||
RegexFunctionCall(Box<Expression>, Box<Expression>, Option<Box<Expression>>), |
||||
CustomFunctionCall(NamedNode, Vec<Expression>), |
||||
ExistsFunctionCall(Box<GraphPattern>), |
||||
NotExistsFunctionCall(Box<GraphPattern>), |
||||
CountAggregate(Option<Box<Expression>>, bool), |
||||
SumAggregate(Box<Expression>, bool), |
||||
MinAggregate(Box<Expression>, bool), |
||||
MaxAggregate(Box<Expression>, bool), |
||||
AvgAggregate(Box<Expression>, bool), |
||||
SampleAggregate(Box<Expression>, bool), |
||||
GroupConcatAggregate(Box<Expression>, bool, Option<String>), |
||||
} |
||||
|
||||
impl fmt::Display for Expression { |
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
||||
match self { |
||||
Expression::ConstantExpression(t) => write!(f, "{}", t), |
||||
Expression::OrExpression(e) => write!( |
||||
f, |
||||
"({})", |
||||
e.iter() |
||||
.map(|v| v.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(" || ") |
||||
), |
||||
Expression::AndExpression(e) => write!( |
||||
f, |
||||
"({})", |
||||
e.iter() |
||||
.map(|v| v.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(" && ") |
||||
), |
||||
Expression::EqualExpression(a, b) => write!(f, "{} = {}", a, b), |
||||
Expression::NotEqualExpression(a, b) => write!(f, "{} != {}", a, b), |
||||
Expression::GreaterExpression(a, b) => write!(f, "{} > {}", a, b), |
||||
Expression::GreaterOrEqExpression(a, b) => write!(f, "{} >= {}", a, b), |
||||
Expression::LowerExpression(a, b) => write!(f, "{} < {}", a, b), |
||||
Expression::LowerOrEqExpression(a, b) => write!(f, "{} <= {}", a, b), |
||||
Expression::InExpression(a, b) => write!( |
||||
f, |
||||
"{} IN ({})", |
||||
a, |
||||
b.iter() |
||||
.map(|v| v.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(", ") |
||||
), |
||||
Expression::NotInExpression(a, b) => write!( |
||||
f, |
||||
"{} NOT IN ({})", |
||||
a, |
||||
b.iter() |
||||
.map(|v| v.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(", ") |
||||
), |
||||
Expression::AddExpression(a, b) => write!(f, "{} + {}", a, b), |
||||
Expression::SubExpression(a, b) => write!(f, "{} - {}", a, b), |
||||
Expression::MulExpression(a, b) => write!(f, "{} * {}", a, b), |
||||
Expression::DivExpression(a, b) => write!(f, "{} / {}", a, b), |
||||
Expression::UnaryPlusExpression(e) => write!(f, "+{}", e), |
||||
Expression::UnaryMinusExpression(e) => write!(f, "-{}", e), |
||||
Expression::UnaryNotExpression(e) => write!(f, "!{}", e), |
||||
Expression::StrFunctionCall(e) => write!(f, "STR({})", e), |
||||
Expression::LangFunctionCall(e) => write!(f, "LANG({})", e), |
||||
Expression::LangMatchesFunctionCall(a, b) => write!(f, "LANGMATCHES({}, {})", a, b), |
||||
Expression::DatatypeFunctionCall(e) => write!(f, "DATATYPE({})", e), |
||||
Expression::BoundFunctionCall(v) => write!(f, "BOUND({})", v), |
||||
Expression::IRIFunctionCall(e) => write!(f, "IRI({})", e), |
||||
Expression::BNodeFunctionCall(v) => v.as_ref() |
||||
.map(|id| write!(f, "BOUND({})", id)) |
||||
.unwrap_or_else(|| write!(f, "BOUND()")), |
||||
Expression::RandFunctionCall() => write!(f, "RAND()"), |
||||
Expression::AbsFunctionCall(e) => write!(f, "ABS({})", e), |
||||
Expression::CeilFunctionCall(e) => write!(f, "CEIL({})", e), |
||||
Expression::FloorFunctionCall(e) => write!(f, "FLOOR({})", e), |
||||
Expression::RoundFunctionCall(e) => write!(f, "ROUND({})", e), |
||||
Expression::ConcatFunctionCall(e) => write!( |
||||
f, |
||||
"CONCAT({})", |
||||
e.iter() |
||||
.map(|v| v.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(", ") |
||||
), |
||||
Expression::SubStrFunctionCall(a, b, c) => c.as_ref() |
||||
.map(|cv| write!(f, "SUBSTR({}, {}, {})", a, b, cv)) |
||||
.unwrap_or_else(|| write!(f, "SUBSTR({}, {})", a, b)), |
||||
Expression::StrLenFunctionCall(e) => write!(f, "STRLEN({})", e), |
||||
Expression::ReplaceFunctionCall(a, b, c, d) => d.as_ref() |
||||
.map(|dv| write!(f, "REPLACE({}, {}, {}, {})", a, b, c, dv)) |
||||
.unwrap_or_else(|| write!(f, "REPLACE({}, {}, {})", a, b, c)), |
||||
Expression::UCaseFunctionCall(e) => write!(f, "UCASE({})", e), |
||||
Expression::LCaseFunctionCall(e) => write!(f, "LCASE({})", e), |
||||
Expression::EncodeForURIFunctionCall(e) => write!(f, "ENCODE_FOR_URI({})", e), |
||||
Expression::ContainsFunctionCall(a, b) => write!(f, "CONTAINS({}, {})", a, b), |
||||
Expression::StrStartsFunctionCall(a, b) => write!(f, "STRSTATS({}, {})", a, b), |
||||
Expression::StrEndsFunctionCall(a, b) => write!(f, "STRENDS({}, {})", a, b), |
||||
Expression::StrBeforeFunctionCall(a, b) => write!(f, "STRBEFORE({}, {})", a, b), |
||||
Expression::StrAfterFunctionCall(a, b) => write!(f, "STRAFTER({}, {})", a, b), |
||||
Expression::YearFunctionCall(e) => write!(f, "YEAR({})", e), |
||||
Expression::MonthFunctionCall(e) => write!(f, "MONTH({})", e), |
||||
Expression::DayFunctionCall(e) => write!(f, "DAY({})", e), |
||||
Expression::HoursFunctionCall(e) => write!(f, "HOURS({})", e), |
||||
Expression::MinutesFunctionCall(e) => write!(f, "MINUTES({})", e), |
||||
Expression::SecondsFunctionCall(e) => write!(f, "SECONDS({})", e), |
||||
Expression::TimezoneFunctionCall(e) => write!(f, "TIMEZONE({})", e), |
||||
Expression::NowFunctionCall() => write!(f, "NOW()"), |
||||
Expression::UUIDFunctionCall() => write!(f, "UUID()"), |
||||
Expression::StrUUIDFunctionCall() => write!(f, "STRUUID()"), |
||||
Expression::MD5FunctionCall(e) => write!(f, "MD5({})", e), |
||||
Expression::SHA1FunctionCall(e) => write!(f, "SHA1({})", e), |
||||
Expression::SHA256FunctionCall(e) => write!(f, "SHA256({})", e), |
||||
Expression::SHA384FunctionCall(e) => write!(f, "SHA384({})", e), |
||||
Expression::SHA512FunctionCall(e) => write!(f, "SHA512({})", e), |
||||
Expression::CoalesceFunctionCall(e) => write!( |
||||
f, |
||||
"COALESCE({})", |
||||
e.iter() |
||||
.map(|v| v.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(", ") |
||||
), |
||||
Expression::IfFunctionCall(a, b, c) => write!(f, "IF({}, {}, {})", a, b, c), |
||||
Expression::StrLangFunctionCall(a, b) => write!(f, "STRLANG({}, {})", a, b), |
||||
Expression::StrDTFunctionCall(a, b) => write!(f, "STRDT({}, {})", a, b), |
||||
Expression::SameTermFunctionCall(a, b) => write!(f, "sameTerm({}, {})", a, b), |
||||
Expression::IsIRIFunctionCall(e) => write!(f, "isIRI({})", e), |
||||
Expression::IsBlankFunctionCall(e) => write!(f, "isBLANK({})", e), |
||||
Expression::IsLiteralFunctionCall(e) => write!(f, "isLITERAL({})", e), |
||||
Expression::IsNumericFunctionCall(e) => write!(f, "isNUMERIC({})", e), |
||||
Expression::RegexFunctionCall(a, b, c) => c.as_ref() |
||||
.map(|cv| write!(f, "REGEX({}, {}, {})", a, b, cv)) |
||||
.unwrap_or_else(|| write!(f, "REGEX({}, {})", a, b)), |
||||
Expression::CustomFunctionCall(iri, args) => write!( |
||||
f, |
||||
"{}({})", |
||||
iri, |
||||
args.iter() |
||||
.map(|v| v.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(", ") |
||||
), |
||||
Expression::ExistsFunctionCall(p) => write!(f, "EXISTS {{ {} }}", p), |
||||
Expression::NotExistsFunctionCall(p) => write!(f, "NOT EXISTS {{ {} }}", p), |
||||
Expression::CountAggregate(e, distinct) => if *distinct { |
||||
e.as_ref() |
||||
.map(|ex| write!(f, "COUNT(DISTINCT {})", ex)) |
||||
.unwrap_or_else(|| write!(f, "COUNT(DISTINCT *)")) |
||||
} else { |
||||
e.as_ref() |
||||
.map(|ex| write!(f, "COUNT({})", ex)) |
||||
.unwrap_or_else(|| write!(f, "COUNT(*)")) |
||||
}, |
||||
Expression::SumAggregate(e, distinct) => if *distinct { |
||||
write!(f, "SUM(DISTINCT {})", e) |
||||
} else { |
||||
write!(f, "SUM({})", e) |
||||
}, |
||||
Expression::MinAggregate(e, distinct) => if *distinct { |
||||
write!(f, "MIN(DISTINCT {})", e) |
||||
} else { |
||||
write!(f, "MIN({})", e) |
||||
}, |
||||
Expression::MaxAggregate(e, distinct) => if *distinct { |
||||
write!(f, "MAX(DISTINCT {})", e) |
||||
} else { |
||||
write!(f, "MAX({})", e) |
||||
}, |
||||
Expression::AvgAggregate(e, distinct) => if *distinct { |
||||
write!(f, "AVG(DISTINCT {})", e) |
||||
} else { |
||||
write!(f, "AVG({})", e) |
||||
}, |
||||
Expression::SampleAggregate(e, distinct) => if *distinct { |
||||
write!(f, "SAMPLE(DISTINCT {})", e) |
||||
} else { |
||||
write!(f, "SAMPLE({})", e) |
||||
}, |
||||
Expression::GroupConcatAggregate(e, distinct, sep) => if *distinct { |
||||
sep.as_ref() |
||||
.map(|s| { |
||||
write!( |
||||
f, |
||||
"GROUP_CONCAT(DISTINCT {}; SEPARATOR = \"{}\")", |
||||
e, |
||||
s.escape() |
||||
) |
||||
}) |
||||
.unwrap_or_else(|| write!(f, "GROUP_CONCAT(DISTINCT {})", e)) |
||||
} else { |
||||
sep.as_ref() |
||||
.map(|s| write!(f, "GROUP_CONCAT({}; SEPARATOR = \"{}\")", e, s.escape())) |
||||
.unwrap_or_else(|| write!(f, "GROUP_CONCAT({})", e)) |
||||
}, |
||||
} |
||||
} |
||||
} |
||||
|
||||
#[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Hash)] |
||||
pub enum GraphPattern { |
||||
GroupPattern(Vec<GraphPattern>), |
||||
PropertyPathPattern(PropertyPathPattern), |
||||
OptionalPattern(Box<GraphPattern>), |
||||
UnionPattern(Vec<GraphPattern>), |
||||
GraphPattern(NamedNodeOrVariable, Box<GraphPattern>), |
||||
BindPattern(Expression, Variable), |
||||
ValuesPattern(Vec<Variable>, Vec<Vec<Option<Term>>>), |
||||
GroupByPattern(Expression), |
||||
HavingPattern(Expression), |
||||
MinusPattern(Box<GraphPattern>), |
||||
FilterPattern(Expression), |
||||
SubSelectPattern { |
||||
selection: Selection, |
||||
filter: Box<GraphPattern>, |
||||
}, |
||||
ServicePattern(NamedNodeOrVariable, Box<GraphPattern>), |
||||
} |
||||
|
||||
impl Default for GraphPattern { |
||||
fn default() -> Self { |
||||
GraphPattern::GroupPattern(Vec::default()) |
||||
} |
||||
} |
||||
|
||||
impl From<PropertyPathPattern> for GraphPattern { |
||||
fn from(p: PropertyPathPattern) -> Self { |
||||
GraphPattern::PropertyPathPattern(p) |
||||
} |
||||
} |
||||
|
||||
impl fmt::Display for GraphPattern { |
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
||||
match self { |
||||
GraphPattern::GroupPattern(p) => write!( |
||||
f, |
||||
"{}", |
||||
p.iter() |
||||
.map(|v| v.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(" . ") |
||||
), |
||||
GraphPattern::PropertyPathPattern(p) => write!(f, "{}", p), |
||||
GraphPattern::OptionalPattern(p) => write!(f, "OPTIONAL {{ {} }}", p), |
||||
GraphPattern::UnionPattern(ps) => write!( |
||||
f, |
||||
"{{ {} }}", |
||||
ps.iter() |
||||
.map(|p| p.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(" } UNION { ") |
||||
), |
||||
GraphPattern::GraphPattern(g, p) => write!(f, "GRAPH {} {{ {} }}", g, p), |
||||
GraphPattern::BindPattern(e, v) => write!(f, "BIND({} AS {})", e, v), |
||||
GraphPattern::ValuesPattern(vars, vals) => write!( |
||||
f, |
||||
"VALUES ({}) {{ {} }}", |
||||
vars.iter() |
||||
.map(|v| v.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(" "), |
||||
vals.iter() |
||||
.map(|r| format!( |
||||
"({})", |
||||
r.iter() |
||||
.map(|vop| vop.as_ref() |
||||
.map(|v| v.to_string()) |
||||
.unwrap_or_else(|| "UNDEF".to_string())) |
||||
.collect::<Vec<String>>() |
||||
.join(" ") |
||||
)) |
||||
.collect::<Vec<String>>() |
||||
.join(" ") |
||||
), |
||||
GraphPattern::GroupByPattern(g) => write!(f, "GROUP BY ({})", g), |
||||
GraphPattern::HavingPattern(e) => write!(f, "HAVING({})", e), |
||||
GraphPattern::MinusPattern(p) => write!(f, "MINUS {{ {} }}", p), |
||||
GraphPattern::FilterPattern(p) => write!(f, "FILTER({})", p), |
||||
GraphPattern::SubSelectPattern { selection, filter } => { |
||||
write!(f, "{{ SELECT {} WHERE {{ {} }} }}", selection, filter) |
||||
} |
||||
GraphPattern::ServicePattern(s, p) => write!(f, "SERVICE {} {{ {} }}", s, p), |
||||
} |
||||
} |
||||
} |
||||
|
||||
#[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Hash, Default)] |
||||
pub struct Dataset { |
||||
pub default: Vec<NamedNode>, |
||||
pub named: Vec<NamedNode>, |
||||
} |
||||
|
||||
impl Dataset { |
||||
pub fn new_with_default(graph: NamedNode) -> Self { |
||||
Self { |
||||
default: vec![graph], |
||||
named: Vec::default(), |
||||
} |
||||
} |
||||
|
||||
pub fn new_with_named(graph: NamedNode) -> Self { |
||||
Self { |
||||
default: Vec::default(), |
||||
named: vec![graph], |
||||
} |
||||
} |
||||
} |
||||
|
||||
impl Add for Dataset { |
||||
type Output = Self; |
||||
|
||||
fn add(mut self, rhs: Dataset) -> Self { |
||||
self.default.extend_from_slice(&rhs.default); |
||||
self.named.extend_from_slice(&rhs.named); |
||||
self |
||||
} |
||||
} |
||||
|
||||
impl fmt::Display for Dataset { |
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
||||
for g in &self.default { |
||||
write!(f, "FROM {} ", g)?; |
||||
} |
||||
for g in &self.named { |
||||
write!(f, "FROM NAMED {} ", g)?; |
||||
} |
||||
Ok(()) |
||||
} |
||||
} |
||||
|
||||
#[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Hash)] |
||||
pub enum SelectionOption { |
||||
Distinct, |
||||
Reduced, |
||||
Default, |
||||
} |
||||
|
||||
impl fmt::Display for SelectionOption { |
||||
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> { |
||||
match self { |
||||
SelectionOption::Distinct => write!(f, "DISTINCT"), |
||||
SelectionOption::Reduced => write!(f, "REDUCED"), |
||||
SelectionOption::Default => Ok(()), |
||||
} |
||||
} |
||||
} |
||||
|
||||
#[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Hash)] |
||||
pub enum SelectionMember { |
||||
Variable(Variable), |
||||
Expression(Expression, Variable), |
||||
} |
||||
|
||||
impl fmt::Display for SelectionMember { |
||||
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> { |
||||
match self { |
||||
SelectionMember::Variable(v) => write!(f, "{}", v), |
||||
SelectionMember::Expression(e, v) => write!(f, "({} AS {})", e, v), |
||||
} |
||||
} |
||||
} |
||||
|
||||
#[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Hash)] |
||||
pub struct Selection { |
||||
pub option: SelectionOption, |
||||
pub variables: Option<Vec<SelectionMember>>, |
||||
} |
||||
|
||||
impl fmt::Display for Selection { |
||||
fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> { |
||||
self.variables |
||||
.as_ref() |
||||
.map(|vars| { |
||||
write!( |
||||
f, |
||||
"{} {}", |
||||
self.option, |
||||
vars.iter() |
||||
.map(|v| v.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(" ") |
||||
) |
||||
}) |
||||
.unwrap_or_else(|| write!(f, "{} *", self.option)) |
||||
} |
||||
} |
||||
|
||||
#[derive(Eq, PartialEq, Ord, PartialOrd, Debug, Clone, Hash)] |
||||
pub enum Query { |
||||
SelectQuery { |
||||
selection: Selection, |
||||
dataset: Dataset, |
||||
filter: GraphPattern, |
||||
}, |
||||
ConstructQuery { |
||||
construct: Vec<TriplePattern>, |
||||
dataset: Dataset, |
||||
filter: GraphPattern, |
||||
}, |
||||
DescribeQuery { |
||||
dataset: Dataset, |
||||
filter: GraphPattern, |
||||
}, |
||||
AskQuery { |
||||
dataset: Dataset, |
||||
filter: GraphPattern, |
||||
}, |
||||
} |
||||
|
||||
impl fmt::Display for Query { |
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
||||
match self { |
||||
Query::SelectQuery { |
||||
selection, |
||||
dataset, |
||||
filter, |
||||
} => write!(f, "SELECT {} {} WHERE {{ {} }}", selection, dataset, filter), |
||||
Query::ConstructQuery { |
||||
construct, |
||||
dataset, |
||||
filter, |
||||
} => write!( |
||||
f, |
||||
"CONSTRUCT {{ {} }} {} WHERE {{ {} }}", |
||||
construct |
||||
.iter() |
||||
.map(|t| t.to_string()) |
||||
.collect::<Vec<String>>() |
||||
.join(" . "), |
||||
dataset, |
||||
filter |
||||
), |
||||
Query::DescribeQuery { dataset, filter } => { |
||||
write!(f, "DESCRIBE {} WHERE {{ {} }}", dataset, filter) |
||||
} |
||||
Query::AskQuery { dataset, filter } => { |
||||
write!(f, "ASK {} WHERE {{ {} }}", dataset, filter) |
||||
} |
||||
} |
||||
} |
||||
} |
||||
@ -1,3 +1,3 @@ |
||||
pub mod ast; |
||||
pub mod algebra; |
||||
pub mod model; |
||||
pub mod parser; |
||||
|
||||
Loading…
Reference in new issue