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Demonstration of groff .psbb request handling code, for EPS and PDF input files


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Revision1088cd32d2146205b0f308243b1965dee635af36 (tree)
Zeit2017-10-11 19:33:34
AutorKeith Marshall <keith@user...>
CommiterKeith Marshall

Log Message

Support postfix notation for PDFOBJREF parsing.

* psbb.y (psbb): Add an additional grammar rule, to interpret...
(VALUE VALUE 'R' PDFOBJREF): ...this token sequence, augmenting...
(PDFOBJREF VALUE VALUE 'R'): ...this prefix notation.

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Diff

--- a/psbb.y
+++ b/psbb.y
@@ -40,6 +40,7 @@ psbb: /* nothing */
4040 | psbb root PDFOBJREF { psbb_walk(); }
4141 | psbb PDFLOOKUP VALUE VALUE { psbb_lookup( $3, $4 ); }
4242 | psbb PDFOBJREF VALUE VALUE 'R' { psbb_locate( $3, $4 ); }
43+ | psbb VALUE VALUE 'R' PDFOBJREF { psbb_locate( $2, $3 ); }
4344 | psbb VALUE VALUE PDFOBJECT { psbb_chkref( $2, $3 ); }
4445 | psbb PDFENDOBJ { psbb_walk(); }
4546 | psbb bbox