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50 lines
1.0 KiB
Go
50 lines
1.0 KiB
Go
package version
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import (
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"strings"
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)
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type Constraint struct {
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operator string
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version string
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}
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// Return a new Constrain and sets operator and version to compare
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func NewConstrain(operator, version string) *Constraint {
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constraint := new(Constraint)
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constraint.SetOperator(operator)
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constraint.SetVersion(version)
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return constraint
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}
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// Sets operator to compare
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func (self *Constraint) SetOperator(operator string) {
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self.operator = operator
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}
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// Get operator to compare
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func (self *Constraint) GetOperator() string {
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return self.operator
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}
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// Sets version to compare
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func (self *Constraint) SetVersion(version string) {
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self.version = version
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}
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// Get version to compare
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func (self *Constraint) GetVersion() string {
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return self.version
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}
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// Match a given version againts the constraint
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func (self *Constraint) Match(version string) bool {
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return Compare(version, self.version, self.operator)
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}
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// Return a string representation
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func (self *Constraint) String() string {
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return strings.Trim(self.operator+" "+self.version, " ")
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}
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