- /* GB9b. Prepend × */
- case GCBcase(GCB_Prepend, GCB_Other):
- case GCBcase(GCB_Prepend, GCB_L):
- case GCBcase(GCB_Prepend, GCB_LV):
- case GCBcase(GCB_Prepend, GCB_LVT):
- case GCBcase(GCB_Prepend, GCB_Prepend):
- case GCBcase(GCB_Prepend, GCB_Regional_Indicator):
- case GCBcase(GCB_Prepend, GCB_T):
- case GCBcase(GCB_Prepend, GCB_V):
- return FALSE;
+ /* Here, we have the character preceding the span of spaces all set
+ * up. We follow LB18: "Break after spaces" unless the table shows
+ * that is overriden */
+ return LB_table[prev][after] != LB_NOBREAK_EVEN_WITH_SP_BETWEEN;
+
+ case LB_CM_foo:
+
+ /* We don't know how to treat the CM except by looking at the first
+ * non-CM character preceding it */
+ do {
+ prev = backup_one_LB(strbeg, &temp_pos, utf8_target);
+ }
+ while (prev == LB_Combining_Mark);
+
+ /* Here, 'prev' is that first earlier non-CM character. If the CM
+ * attatches to it, then it inherits the behavior of 'prev'. If it
+ * doesn't attach, it is to be treated as an AL */
+ if (! LB_CM_ATTACHES_TO(prev)) {
+ prev = LB_Alphabetic;
+ }
+
+ goto redo;
+
+ case LB_HY_or_BA_then_foo + LB_BREAKABLE:
+ case LB_HY_or_BA_then_foo + LB_NOBREAK:
+
+ /* LB21a Don't break after Hebrew + Hyphen.
+ * HL (HY | BA) × */
+
+ if (backup_one_LB(strbeg, &temp_pos, utf8_target)
+ == LB_Hebrew_Letter)
+ {
+ return FALSE;
+ }
+
+ return LB_table[prev][after] - LB_HY_or_BA_then_foo == LB_BREAKABLE;
+
+ case LB_PR_or_PO_then_OP_or_HY + LB_BREAKABLE:
+ case LB_PR_or_PO_then_OP_or_HY + LB_NOBREAK:
+
+ /* LB25a (PR | PO) × ( OP | HY )? NU */
+ if (advance_one_LB(&temp_pos, strend, utf8_target) == LB_Numeric) {
+ return FALSE;
+ }
+
+ return LB_table[prev][after] - LB_PR_or_PO_then_OP_or_HY
+ == LB_BREAKABLE;
+
+ case LB_SY_or_IS_then_various + LB_BREAKABLE:
+ case LB_SY_or_IS_then_various + LB_NOBREAK:
+ {
+ /* LB25d NU (SY | IS)* × (NU | SY | IS | CL | CP ) */
+
+ LB_enum temp = prev;
+ do {
+ temp = backup_one_LB(strbeg, &temp_pos, utf8_target);
+ }
+ while (temp == LB_Break_Symbols || temp == LB_Infix_Numeric);
+ if (temp == LB_Numeric) {
+ return FALSE;
+ }
+
+ return LB_table[prev][after] - LB_SY_or_IS_then_various
+ == LB_BREAKABLE;
+ }
+
+ case LB_various_then_PO_or_PR + LB_BREAKABLE:
+ case LB_various_then_PO_or_PR + LB_NOBREAK:
+ {
+ /* LB25e NU (SY | IS)* (CL | CP)? × (PO | PR) */
+
+ LB_enum temp = prev;
+ if (temp == LB_Close_Punctuation || temp == LB_Close_Parenthesis)
+ {
+ temp = backup_one_LB(strbeg, &temp_pos, utf8_target);
+ }
+ while (temp == LB_Break_Symbols || temp == LB_Infix_Numeric) {
+ temp = backup_one_LB(strbeg, &temp_pos, utf8_target);
+ }
+ if (temp == LB_Numeric) {
+ return FALSE;
+ }
+ return LB_various_then_PO_or_PR;
+ }
+
+ default:
+ break;