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[cmap] Turn hb_apply into foreach where possible

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pull/1971/head
Ebrahim Byagowi 6 years ago
parent 1023c2cc6d
commit 385741d565
1 changed files with 61 additions and 90 deletions
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  1. 151
      src/hb-ot-cmap-table.hh

151
src/hb-ot-cmap-table.hh
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@ -687,32 +687,27 @@ struct DefaultUVS : SortedArrayOf<UnicodeValueRange, HBUINT32>
hb_codepoint_t lastCode = HB_MAP_VALUE_INVALID;
int count = -1;
+ as_array ()
| hb_apply ([&] (const UnicodeValueRange& _)
{
+ hb_range ((unsigned)_.additionalCount + 1)
| hb_apply ([&] (const unsigned addcnt)
{
unsigned curEntry = (unsigned)_.startUnicodeValue + addcnt;
if (!unicodes->has (curEntry)) return;
count += 1;
if (lastCode == HB_MAP_VALUE_INVALID)
{
lastCode = curEntry;
} else if (lastCode + count != curEntry)
{
UnicodeValueRange rec;
rec.startUnicodeValue = lastCode;
rec.additionalCount = count - 1;
c->copy<UnicodeValueRange> (rec);
lastCode = curEntry;
count = 0;
}
})
;
})
;
for (const UnicodeValueRange& _ : as_array ())
{
for (const unsigned addcnt : hb_range ((unsigned) _.additionalCount + 1))
{
unsigned curEntry = (unsigned) _.startUnicodeValue + addcnt;
if (!unicodes->has (curEntry)) continue;
count += 1;
if (lastCode == HB_MAP_VALUE_INVALID)
lastCode = curEntry;
else if (lastCode + count != curEntry)
{
UnicodeValueRange rec;
rec.startUnicodeValue = lastCode;
rec.additionalCount = count - 1;
c->copy<UnicodeValueRange> (rec);
lastCode = curEntry;
count = 0;
}
}
}
if (lastCode != HB_MAP_VALUE_INVALID)
{
@ -798,15 +793,13 @@ struct NonDefaultUVS : SortedArrayOf<UVSMapping, HBUINT32>
len = it.len ();
if (unlikely (!c->copy<HBUINT32> (len))) return nullptr;
+ it
| hb_apply ([&] (const UVSMapping& _)
{
UVSMapping mapping;
mapping.unicodeValue = _.unicodeValue;
mapping.glyphID = glyph_map->get (_.glyphID);
c->copy<UVSMapping> (mapping);
})
;
for (const UVSMapping& _ : it)
{
UVSMapping mapping;
mapping.unicodeValue = _.unicodeValue;
mapping.glyphID = glyph_map->get (_.glyphID);
c->copy<UVSMapping> (mapping);
}
return out;
}
@ -935,17 +928,11 @@ struct CmapSubtableFormat14
this->format = 14;
const CmapSubtableFormat14 *src_tbl = reinterpret_cast<const CmapSubtableFormat14*> (src_base);
+ hb_iter (src_tbl->record)
| hb_apply ([&] (const VariationSelectorRecord& _)
{
c->copy (_, unicodes, glyphs, glyph_map, src_base, this);
})
;
for (const VariationSelectorRecord& _ : src_tbl->record)
c->copy (_, unicodes, glyphs, glyph_map, src_base, this);
if (c->length () - table_initpos == CmapSubtableFormat14::min_size)
{
if (c->length () - table_initpos == CmapSubtableFormat14::min_size)
c->revert (snap);
}
else
{
int tail_len = init_tail - c->tail;
@ -1141,16 +1128,14 @@ struct cmap
unsigned format4objidx = 0, format12objidx = 0, format14objidx = 0;
+ encodingrec_iter
| hb_apply ([&] (const EncodingRecord& _)
{
unsigned format = (src_base+_.subtable).u.format;
for (const EncodingRecord& _ : encodingrec_iter)
{
unsigned format = (src_base+_.subtable).u.format;
if (format == 4) c->copy (_, it, 4u, src_base, this, plan, &format4objidx);
else if (format == 12) c->copy (_, it, 12u, src_base, this, plan, &format12objidx);
else if (format == 14) c->copy (_, it, 14u, src_base, this, plan, &format14objidx);
})
;
if (format == 4) c->copy (_, it, 4u, src_base, this, plan, &format4objidx);
else if (format == 12) c->copy (_, it, 12u, src_base, this, plan, &format12objidx);
else if (format == 14) c->copy (_, it, 14u, src_base, this, plan, &format14objidx);
}
c->check_assign(this->encodingRecord.len, (c->length () - cmap::min_size)/EncodingRecord::static_size);
}
@ -1176,50 +1161,36 @@ struct cmap
auto encodingrec_iter =
+ hb_iter (encodingRecord)
| hb_filter ([&] (const EncodingRecord& _)
{
if ((_.platformID == 0 && _.encodingID == 3) ||
(_.platformID == 0 && _.encodingID == 4) ||
(_.platformID == 3 && _.encodingID == 1) ||
(_.platformID == 3 && _.encodingID == 10) ||
(this + _.subtable).u.format == 14)
return true;
return false;
})
{
if ((_.platformID == 0 && _.encodingID == 3) ||
(_.platformID == 0 && _.encodingID == 4) ||
(_.platformID == 3 && _.encodingID == 1) ||
(_.platformID == 3 && _.encodingID == 10) ||
(this + _.subtable).u.format == 14)
return true;
return false;
})
;
if (unlikely (!encodingrec_iter.len ())) return_trace (false);
const EncodingRecord *unicode_bmp= nullptr, *unicode_ucs4 = nullptr, *ms_bmp = nullptr, *ms_ucs4 = nullptr;
bool has_format12 = false, has_format14 = false;
bool has_format12 = false, HB_UNUSED has_format14 = false;
+ encodingrec_iter
| hb_apply ([&] (const EncodingRecord& _)
{
unsigned format = (this + _.subtable).u.format;
if (format == 12) has_format12 = true;
if (format == 14) has_format14 = true;
const EncodingRecord *table = hb_addressof (_);
if (_.platformID == 0 && _.encodingID == 3)
{
unicode_bmp = table;
}
else if (_.platformID == 0 && _.encodingID == 4)
{
unicode_ucs4 = table;
}
else if (_.platformID == 3 && _.encodingID == 1)
{
ms_bmp = table;
}
else if (_.platformID == 3 && _.encodingID == 10)
{
ms_ucs4 = table;
}
})
;
for (const EncodingRecord& _ : encodingrec_iter)
{
unsigned format = (this + _.subtable).u.format;
if (format == 12) has_format12 = true;
if (format == 14) has_format14 = true;
const EncodingRecord *table = hb_addressof (_);
if (_.platformID == 0 && _.encodingID == 3) unicode_bmp = table;
else if (_.platformID == 0 && _.encodingID == 4) unicode_ucs4 = table;
else if (_.platformID == 3 && _.encodingID == 1) ms_bmp = table;
else if (_.platformID == 3 && _.encodingID == 10) ms_ucs4 = table;
}
if (unlikely (!unicode_bmp && !ms_bmp)) return_trace (false);
if (unlikely (has_format12 && (!unicode_ucs4 && !ms_ucs4))) return_trace (false);

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