tools: fix iculslocs to support ICU 65.1

The ICU alias table format changed in https://unicode-org.atlassian.net/browse/ICU-20627 Because of this, iculslocs.cc needs to handle URES_TABLE format contents in the res_index.txt file. PR-URL: #29523 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>

Author: srl295

tools/icu/iculslocs.cc

@@ -209,7 +209,8 @@ int dumpAllButInstalledLocales(int lev,
  } else {
  printIndent(bf, lev);
  fprintf(bf, "%s", key);
- switch (ures_getType(t.getAlias())) {
+ const UResType type = ures_getType(t.getAlias());
+ switch (type) {
  case URES_STRING: {
  int32_t len = 0;
  const UChar* s = ures_getString(t.getAlias(), &len, status);
@@ -218,8 +219,16 @@ int dumpAllButInstalledLocales(int lev,
  fwrite(s, len, 1, bf);
  fprintf(bf, "\"}");
  } break;
+ case URES_TABLE: {
+ fprintf(bf, ":table {\n");
+ dumpAllButInstalledLocales(lev+1, &t, bf, status);
+ printIndent(bf, lev);
+ fprintf(bf, "}\n");
+ } break;
  default: {
- printf("ERROR: unhandled type in dumpAllButInstalledLocales().\n");
+ printf("ERROR: unhandled type %d for key %s "
+ "in dumpAllButInstalledLocales().\n",
+ static_cast<int>(type), key);
  return 1;
  } break;
  }