127 lines
2.6 KiB
Go
127 lines
2.6 KiB
Go
// Copyright © 2016 Abcum Ltd
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package sql
|
|
|
|
func (p *parser) parseDefineRulesStatement(explain bool) (stmt *DefineRulesStatement, err error) {
|
|
|
|
stmt = &DefineRulesStatement{}
|
|
|
|
stmt.EX = explain
|
|
|
|
stmt.KV = p.c.Get("KV").(string)
|
|
stmt.NS = p.c.Get("NS").(string)
|
|
stmt.DB = p.c.Get("DB").(string)
|
|
|
|
if _, _, err = p.shouldBe(ON); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if stmt.What, err = p.parseNames(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if _, _, err = p.shouldBe(FOR); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
for {
|
|
|
|
tok, _, exi := p.mightBe(SELECT, CREATE, UPDATE, DELETE, RELATE, RECORD)
|
|
if !exi {
|
|
break
|
|
}
|
|
|
|
stmt.When = append(stmt.When, tok.String())
|
|
|
|
if _, _, exi := p.mightBe(COMMA); !exi {
|
|
break
|
|
}
|
|
|
|
}
|
|
|
|
if len(stmt.When) == 0 {
|
|
return nil, &ParseError{Found: "", Expected: []string{"SELECT", "CREATE", "UPDATE", "DELETE", "RELATE", "RECORD"}}
|
|
}
|
|
|
|
if tok, _, err := p.shouldBe(ACCEPT, REJECT, CUSTOM); err != nil {
|
|
return nil, err
|
|
} else {
|
|
|
|
stmt.Rule = tok.String()
|
|
|
|
if p.is(tok, CUSTOM) {
|
|
if stmt.Code, err = p.parseScript(); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
if _, _, err = p.shouldBe(EOF, SEMICOLON); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (p *parser) parseRemoveRulesStatement(explain bool) (stmt *RemoveRulesStatement, err error) {
|
|
|
|
stmt = &RemoveRulesStatement{}
|
|
|
|
stmt.EX = explain
|
|
|
|
stmt.KV = p.c.Get("KV").(string)
|
|
stmt.NS = p.c.Get("NS").(string)
|
|
stmt.DB = p.c.Get("DB").(string)
|
|
|
|
if _, _, err = p.shouldBe(ON); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if stmt.What, err = p.parseNames(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if _, _, err = p.shouldBe(FOR); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
for {
|
|
|
|
tok, _, exi := p.mightBe(SELECT, CREATE, UPDATE, DELETE, RELATE, RECORD)
|
|
if !exi {
|
|
break
|
|
}
|
|
|
|
stmt.When = append(stmt.When, tok.String())
|
|
|
|
if _, _, exi := p.mightBe(COMMA); !exi {
|
|
break
|
|
}
|
|
|
|
}
|
|
|
|
if len(stmt.When) == 0 {
|
|
return nil, &ParseError{Found: "", Expected: []string{"SELECT", "CREATE", "UPDATE", "DELETE", "RELATE", "RECORD"}}
|
|
}
|
|
|
|
if _, _, err = p.shouldBe(EOF, SEMICOLON); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return
|
|
|
|
}
|