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49 lines
1.0 KiB
49 lines
1.0 KiB
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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