72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
/*
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Copyright 2018 The pdfcpu Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package pdfcpu
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import (
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"fmt"
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"github.com/pkg/errors"
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)
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// VersionStr is the current pdfcpu version.
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var VersionStr = "v0.3.9 dev"
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// Version is a type for the internal representation of PDF versions.
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type Version int
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// Constants for all PDF versions up to v1.7
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const (
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V10 Version = iota
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V11
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V12
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V13
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V14
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V15
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V16
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V17
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)
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// PDFVersion returns the PDFVersion for a version string.
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func PDFVersion(versionStr string) (Version, error) {
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switch versionStr {
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case "1.0":
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return V10, nil
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case "1.1":
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return V11, nil
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case "1.2":
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return V12, nil
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case "1.3":
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return V13, nil
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case "1.4":
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return V14, nil
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case "1.5":
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return V15, nil
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case "1.6":
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return V16, nil
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case "1.7":
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return V17, nil
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}
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return -1, errors.New(versionStr)
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}
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// String returns a string representation for a given PDFVersion.
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func (v Version) String() string {
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return "1." + fmt.Sprintf("%d", v)
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}
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