Improve error context during validation

pdfcpu · Apr 16, 2021 · ac9adc6 · ac9adc6
1 parent ff38b21
commit ac9adc6
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/pkg/api/validate.go b/pkg/api/validate.go
@@ -17,6 +17,7 @@
 package api
 
 import (
+	"fmt"
 	"io"
 	"os"
 	"time"
@@ -52,7 +53,7 @@ func Validate(rs io.ReadSeeker, conf *pdfcpu.Configuration) error {
 		if conf.ValidationMode == pdfcpu.ValidationStrict {
 			s = " (try -mode=relaxed)"
 		}
-		err = errors.Wrap(err, "validation error"+s)
+		err = errors.Wrap(err, fmt.Sprintf("validation error (obj#:%d)%s", ctx.CurObj, s))
 	}
 
 	dur2 := time.Since(from2).Seconds()

diff --git a/pkg/pdfcpu/string.go b/pkg/pdfcpu/string.go
@@ -170,7 +170,7 @@ func Unescape(s string) ([]byte, error) {
 
 		// Relax for issue 305 and also accept "\ ".
 		if !strings.ContainsRune(" nrtbf()01234567", rune(c)) {
-			return nil, errors.Errorf("Unescape: illegal escape sequence \\%c detected", c)
+			return nil, errors.Errorf("Unescape: illegal escape sequence \\%c detected: <%s>", c, s)
 		}
 
 		var octal bool