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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2012-06-06 10:34:12 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2012-06-06 10:34:12 (GMT) |
| commit | eb41635caa3911f42cd3be3ed014fc094e50b614 (patch) | |
| tree | afbb04093fafe0319e79521a038cdad18d2fbf16 /generic/tclZlib.c | |
| parent | dd548295cad0d0d2a8171953d79a2380efdd7244 (diff) | |
| download | tcl-eb41635caa3911f42cd3be3ed014fc094e50b614.zip tcl-eb41635caa3911f42cd3be3ed014fc094e50b614.tar.gz tcl-eb41635caa3911f42cd3be3ed014fc094e50b614.tar.bz2 | |
making the -dictionary option work with streams
Diffstat (limited to 'generic/tclZlib.c')
| -rw-r--r-- | generic/tclZlib.c | 48 |
1 files changed, 38 insertions, 10 deletions
diff --git a/generic/tclZlib.c b/generic/tclZlib.c index 22ab061..63d2aca 100644 --- a/generic/tclZlib.c +++ b/generic/tclZlib.c @@ -2339,7 +2339,7 @@ ZlibStreamCmd( { Tcl_ZlibStream zstream = cd; int command, index, count, code, buffersize = -1, flush = -1, i; - Tcl_Obj *obj; + Tcl_Obj *obj, *compDictObj = NULL; static const char *const cmds[] = { "add", "checksum", "close", "eof", "finalize", "flush", "fullflush", "get", "header", "put", "reset", @@ -2404,7 +2404,7 @@ ZlibStreamCmd( Tcl_SetErrorCode(interp, "TCL", "ZIP", "NOVAL", NULL); return TCL_ERROR; } - if (Tcl_GetIntFromObj(interp, objv[i+1], + if (Tcl_GetIntFromObj(interp, objv[++i], &buffersize) != TCL_OK) { return TCL_ERROR; } @@ -2417,10 +2417,15 @@ ZlibStreamCmd( } break; case ao_dictionary: - Tcl_AppendResult(interp, - "\"-dictionary\" option not implemented", NULL); - Tcl_SetErrorCode(interp, "TCL", "ZIP", "BADOPT", NULL); - return TCL_ERROR; + if (i == objc-2) { + Tcl_AppendResult(interp, "\"-dictionary\" option must be " + "followed by compression dictionary bytes", + NULL); + Tcl_SetErrorCode(interp, "TCL", "ZIP", "NOVAL", NULL); + return TCL_ERROR; + } + compDictObj = objv[++i]; + break; } if (flush == -2) { @@ -2434,6 +2439,15 @@ ZlibStreamCmd( flush = 0; } + if (compDictObj != NULL) { + int len; + + (void) Tcl_GetByteArrayFromObj(compDictObj, &len); + if (len == 0) { + compDictObj = NULL; + } + Tcl_ZlibStreamSetCompressionDictionary(zstream, compDictObj); + } if (Tcl_ZlibStreamPut(zstream, objv[objc-1], flush) != TCL_OK) { return TCL_ERROR; } @@ -2481,10 +2495,15 @@ ZlibStreamCmd( Tcl_SetErrorCode(interp, "TCL", "ZIP", "BADOPT", NULL); return TCL_ERROR; case ao_dictionary: - Tcl_AppendResult(interp, - "\"-dictionary\" option not implemented", NULL); - Tcl_SetErrorCode(interp, "TCL", "ZIP", "BADOPT", NULL); - return TCL_ERROR; + if (i == objc-2) { + Tcl_AppendResult(interp, "\"-dictionary\" option must be " + "followed by compression dictionary bytes", + NULL); + Tcl_SetErrorCode(interp, "TCL", "ZIP", "NOVAL", NULL); + return TCL_ERROR; + } + compDictObj = objv[++i]; + break; } if (flush == -2) { Tcl_AppendResult(interp, "\"-flush\", \"-fullflush\" and " @@ -2496,6 +2515,15 @@ ZlibStreamCmd( if (flush == -1) { flush = 0; } + if (compDictObj != NULL) { + int len; + + (void) Tcl_GetByteArrayFromObj(compDictObj, &len); + if (len == 0) { + compDictObj = NULL; + } + Tcl_ZlibStreamSetCompressionDictionary(zstream, compDictObj); + } return Tcl_ZlibStreamPut(zstream, objv[objc-1], flush); case zs_get: /* $strm get ?count? */ |