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License handling in extractor

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This commit is contained in:
Gunnsteinn Hall 2018-03-22 13:17:09 +00:00
parent 817ea404b9
commit 4af19b929a
1 changed files with 17 additions and 0 deletions
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17
pdf/extractor/text.go
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@ -6,6 +6,7 @@ import (
"fmt" "fmt"
"github.com/unidoc/unidoc/common" "github.com/unidoc/unidoc/common"
"github.com/unidoc/unidoc/common/license"
"github.com/unidoc/unidoc/pdf/contentstream" "github.com/unidoc/unidoc/pdf/contentstream"
"github.com/unidoc/unidoc/pdf/core" "github.com/unidoc/unidoc/pdf/core"
"github.com/unidoc/unidoc/pdf/internal/cmap" "github.com/unidoc/unidoc/pdf/internal/cmap"
@ -222,5 +223,21 @@ func (e *Extractor) ExtractText() (string, error) {
return buf.String(), err return buf.String(), err
} }
procBuf(&buf)
return buf.String(), nil return buf.String(), nil
} }
func procBuf(buf *bytes.Buffer) {
lk := license.GetLicenseKey()
if lk != nil && lk.IsLicensed() {
return
}
s := "- [Unlicensed UniDoc - Get a license on https://unidoc.io]"
if buf.Len() > 100 {
s = "... [Truncated - Unlicensed UniDoc - Get a license on https://unidoc.io]"
buf.Truncate(buf.Len() - 100)
}
buf.WriteString(s)
}