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[layout] Move skippy_iter setup from constructor into init()

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This commit is contained in:
Behdad Esfahbod 2015-01-29 13:48:48 +01:00
parent b051be542a
commit 514564f544
3 changed files with 29 additions and 20 deletions
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18
src/hb-ot-layout-gpos-table.hh
View file

@ -684,7 +684,8 @@ struct PairPosFormat1
unsigned int index = (this+coverage).get_coverage (buffer->cur().codepoint);
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
hb_apply_context_t::skipping_iterator_t skippy_iter (c);
hb_apply_context_t::skipping_iterator_t skippy_iter;
skippy_iter.init (c);
skippy_iter.reset (buffer->idx, 1);
if (!skippy_iter.next ()) return TRACE_RETURN (false);
@ -754,7 +755,8 @@ struct PairPosFormat2
unsigned int index = (this+coverage).get_coverage (buffer->cur().codepoint);
if (likely (index == NOT_COVERED)) return TRACE_RETURN (false);
hb_apply_context_t::skipping_iterator_t skippy_iter (c);
hb_apply_context_t::skipping_iterator_t skippy_iter;
skippy_iter.init (c);
skippy_iter.reset (buffer->idx, 1);
if (!skippy_iter.next ()) return TRACE_RETURN (false);
@ -904,7 +906,8 @@ struct CursivePosFormat1
const EntryExitRecord &this_record = entryExitRecord[(this+coverage).get_coverage (buffer->cur().codepoint)];
if (!this_record.exitAnchor) return TRACE_RETURN (false);
hb_apply_context_t::skipping_iterator_t skippy_iter (c);
hb_apply_context_t::skipping_iterator_t skippy_iter;
skippy_iter.init (c);
skippy_iter.reset (buffer->idx, 1);
if (!skippy_iter.next ()) return TRACE_RETURN (false);
@ -1048,7 +1051,8 @@ struct MarkBasePosFormat1
if (likely (mark_index == NOT_COVERED)) return TRACE_RETURN (false);
/* now we search backwards for a non-mark glyph */
hb_apply_context_t::skipping_iterator_t skippy_iter (c);
hb_apply_context_t::skipping_iterator_t skippy_iter;
skippy_iter.init (c);
skippy_iter.reset (buffer->idx, 1);
skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks);
do {
@ -1153,7 +1157,8 @@ struct MarkLigPosFormat1
if (likely (mark_index == NOT_COVERED)) return TRACE_RETURN (false);
/* now we search backwards for a non-mark glyph */
hb_apply_context_t::skipping_iterator_t skippy_iter (c);
hb_apply_context_t::skipping_iterator_t skippy_iter;
skippy_iter.init (c);
skippy_iter.reset (buffer->idx, 1);
skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks);
if (!skippy_iter.prev ()) return TRACE_RETURN (false);
@ -1270,7 +1275,8 @@ struct MarkMarkPosFormat1
if (likely (mark1_index == NOT_COVERED)) return TRACE_RETURN (false);
/* now we search backwards for a suitable mark glyph until a non-mark glyph */
hb_apply_context_t::skipping_iterator_t skippy_iter (c);
hb_apply_context_t::skipping_iterator_t skippy_iter;
skippy_iter.init (c);
skippy_iter.reset (buffer->idx, 1);
skippy_iter.set_lookup_props (c->lookup_props & ~LookupFlag::IgnoreFlags);
if (!skippy_iter.prev ()) return TRACE_RETURN (false);

28
src/hb-ot-layout-gsubgpos-private.hh
View file

@ -337,23 +337,22 @@ struct hb_apply_context_t
struct skipping_iterator_t
{
inline skipping_iterator_t (hb_apply_context_t *c_,
bool context_match = false) :
idx (0),
c (c_),
match_glyph_data (NULL),
num_items (0),
end (0)
inline void init (hb_apply_context_t *c_, bool context_match = false)
{
c = c_;
match_glyph_data = NULL,
matcher.set_match_func (NULL, NULL);
matcher.set_lookup_props (c->lookup_props);
/* Ignore ZWNJ if we are matching GSUB context, or matching GPOS. */
matcher.set_ignore_zwnj (context_match || c->table_index == 1);
/* Ignore ZWJ if we are matching GSUB context, or matching GPOS, or if asked to. */
matcher.set_ignore_zwj (context_match || c->table_index == 1 || c->auto_zwj);
if (!context_match)
matcher.set_mask (c->lookup_mask);
matcher.set_mask (context_match ? -1 : c->lookup_mask);
}
inline void set_lookup_props (unsigned int lookup_props)
{
matcher.set_lookup_props (lookup_props);
}
inline void set_lookup_props (unsigned int lookup_props) { matcher.set_lookup_props (lookup_props); }
inline void set_match_func (matcher_t::match_func_t match_func,
const void *match_data,
const USHORT glyph_data[])
@ -705,7 +704,8 @@ static inline bool match_input (hb_apply_context_t *c,
hb_buffer_t *buffer = c->buffer;
hb_apply_context_t::skipping_iterator_t skippy_iter (c);
hb_apply_context_t::skipping_iterator_t skippy_iter;
skippy_iter.init (c);
skippy_iter.reset (buffer->idx, count - 1);
skippy_iter.set_match_func (match_func, match_data, input);
@ -874,7 +874,8 @@ static inline bool match_backtrack (hb_apply_context_t *c,
{
TRACE_APPLY (NULL);
hb_apply_context_t::skipping_iterator_t skippy_iter (c, true);
hb_apply_context_t::skipping_iterator_t skippy_iter;
skippy_iter.init (c, true);
skippy_iter.reset (c->buffer->backtrack_len (), count);
skippy_iter.set_match_func (match_func, match_data, backtrack);
@ -894,7 +895,8 @@ static inline bool match_lookahead (hb_apply_context_t *c,
{
TRACE_APPLY (NULL);
hb_apply_context_t::skipping_iterator_t skippy_iter (c, true);
hb_apply_context_t::skipping_iterator_t skippy_iter;
skippy_iter.init (c, true);
skippy_iter.reset (c->buffer->idx + offset - 1, count);
skippy_iter.set_match_func (match_func, match_data, lookahead);

3
src/hb-ot-shape-fallback.cc
View file

@ -441,7 +441,8 @@ _hb_ot_shape_fallback_kern (const hb_ot_shape_plan_t *plan,
OT::hb_apply_context_t c (1, font, buffer);
c.set_lookup_mask (plan->kern_mask);
c.set_lookup_props (OT::LookupFlag::IgnoreMarks);
OT::hb_apply_context_t::skipping_iterator_t skippy_iter (&c);
OT::hb_apply_context_t::skipping_iterator_t skippy_iter;
skippy_iter.init (&c);
unsigned int count = buffer->len;
hb_glyph_info_t *info = buffer->info;