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Diffstat (limited to 'Build/source/texk/web2c/mfluadir/otfcc/lib/consolidate/otl/gsub-single.c')
-rw-r--r--Build/source/texk/web2c/mfluadir/otfcc/lib/consolidate/otl/gsub-single.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/mfluadir/otfcc/lib/consolidate/otl/gsub-single.c b/Build/source/texk/web2c/mfluadir/otfcc/lib/consolidate/otl/gsub-single.c
new file mode 100644
index 00000000000..f1d25258a9d
--- /dev/null
+++ b/Build/source/texk/web2c/mfluadir/otfcc/lib/consolidate/otl/gsub-single.c
@@ -0,0 +1,56 @@
+#include "gsub-single.h"
+
+typedef struct {
+ int fromid;
+ sds fromname;
+ int toid;
+ sds toname;
+ UT_hash_handle hh;
+} gsub_single_map_hash;
+static int by_from_id(gsub_single_map_hash *a, gsub_single_map_hash *b) {
+ return a->fromid - b->fromid;
+}
+bool consolidate_gsub_single(otfcc_Font *font, table_OTL *table, otl_Subtable *_subtable,
+ const otfcc_Options *options) {
+ subtable_gsub_single *subtable = &(_subtable->gsub_single);
+ gsub_single_map_hash *h = NULL;
+ for (size_t k = 0; k < subtable->length; k++) {
+ if (!GlyphOrder.consolidateHandle(font->glyph_order, &subtable->items[k].from)) {
+ logWarning("[Consolidate] Ignored missing glyph /%s.\n", subtable->items[k].from.name);
+ continue;
+ }
+ if (!GlyphOrder.consolidateHandle(font->glyph_order, &subtable->items[k].to)) {
+ logWarning("[Consolidate] Ignored missing glyph /%s.\n", subtable->items[k].to.name);
+ continue;
+ }
+ gsub_single_map_hash *s;
+ int fromid = subtable->items[k].from.index;
+ HASH_FIND_INT(h, &fromid, s);
+ if (s) {
+ logWarning("[Consolidate] Double-mapping a glyph in a single substitution /%s.\n",
+ subtable->items[k].from.name);
+ } else {
+ NEW(s);
+ s->fromid = subtable->items[k].from.index;
+ s->toid = subtable->items[k].to.index;
+ s->fromname = sdsdup(subtable->items[k].from.name);
+ s->toname = sdsdup(subtable->items[k].to.name);
+ HASH_ADD_INT(h, fromid, s);
+ }
+ }
+ HASH_SORT(h, by_from_id);
+ if (HASH_COUNT(h) != subtable->length) { logWarning("[Consolidate] In this lookup, some mappings are ignored.\n"); }
+
+ iSubtable_gsub_single.clear(subtable);
+ gsub_single_map_hash *s, *tmp;
+ HASH_ITER(hh, h, s, tmp) {
+ iSubtable_gsub_single.push(subtable,
+ ((otl_GsubSingleEntry){.from = Handle.fromConsolidated(s->fromid, s->fromname),
+ .to = Handle.fromConsolidated(s->toid, s->toname)}));
+ sdsfree(s->fromname);
+ sdsfree(s->toname);
+ HASH_DEL(h, s);
+ FREE(s);
+ }
+ return (subtable->length == 0);
+}