summaryrefslogtreecommitdiff
path: root/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-indic.cc
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-indic.cc')
-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-indic.cc214
1 files changed, 0 insertions, 214 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-indic.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-indic.cc
index 9d150e0d3c1..32ad86a5f32 100644
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-indic.cc
+++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-ot-shape-complex-indic.cc
@@ -27,226 +27,12 @@
#include "hb-ot-shape-complex-indic-private.hh"
#include "hb-ot-layout-private.hh"
-/* buffer var allocations */
-#define indic_category() complex_var_u8_0() /* indic_category_t */
-#define indic_position() complex_var_u8_1() /* indic_position_t */
-
/*
* Indic shaper.
*/
-#define IN_HALF_BLOCK(u, Base) (((u) & ~0x7Fu) == (Base))
-
-#define IS_DEVA(u) (IN_HALF_BLOCK (u, 0x0900u))
-#define IS_BENG(u) (IN_HALF_BLOCK (u, 0x0980u))
-#define IS_GURU(u) (IN_HALF_BLOCK (u, 0x0A00u))
-#define IS_GUJR(u) (IN_HALF_BLOCK (u, 0x0A80u))
-#define IS_ORYA(u) (IN_HALF_BLOCK (u, 0x0B00u))
-#define IS_TAML(u) (IN_HALF_BLOCK (u, 0x0B80u))
-#define IS_TELU(u) (IN_HALF_BLOCK (u, 0x0C00u))
-#define IS_KNDA(u) (IN_HALF_BLOCK (u, 0x0C80u))
-#define IS_MLYM(u) (IN_HALF_BLOCK (u, 0x0D00u))
-#define IS_SINH(u) (IN_HALF_BLOCK (u, 0x0D80u))
-
-
-#define MATRA_POS_LEFT(u) POS_PRE_M
-#define MATRA_POS_RIGHT(u) ( \
- IS_DEVA(u) ? POS_AFTER_SUB : \
- IS_BENG(u) ? POS_AFTER_POST : \
- IS_GURU(u) ? POS_AFTER_POST : \
- IS_GUJR(u) ? POS_AFTER_POST : \
- IS_ORYA(u) ? POS_AFTER_POST : \
- IS_TAML(u) ? POS_AFTER_POST : \
- IS_TELU(u) ? (u <= 0x0C42u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
- IS_KNDA(u) ? (u < 0x0CC3u || u > 0xCD6u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
- IS_MLYM(u) ? POS_AFTER_POST : \
- IS_SINH(u) ? POS_AFTER_SUB : \
- /*default*/ POS_AFTER_SUB \
- )
-#define MATRA_POS_TOP(u) ( /* BENG and MLYM don't have top matras. */ \
- IS_DEVA(u) ? POS_AFTER_SUB : \
- IS_GURU(u) ? POS_AFTER_POST : /* Deviate from spec */ \
- IS_GUJR(u) ? POS_AFTER_SUB : \
- IS_ORYA(u) ? POS_AFTER_MAIN : \
- IS_TAML(u) ? POS_AFTER_SUB : \
- IS_TELU(u) ? POS_BEFORE_SUB : \
- IS_KNDA(u) ? POS_BEFORE_SUB : \
- IS_SINH(u) ? POS_AFTER_SUB : \
- /*default*/ POS_AFTER_SUB \
- )
-#define MATRA_POS_BOTTOM(u) ( \
- IS_DEVA(u) ? POS_AFTER_SUB : \
- IS_BENG(u) ? POS_AFTER_SUB : \
- IS_GURU(u) ? POS_AFTER_POST : \
- IS_GUJR(u) ? POS_AFTER_POST : \
- IS_ORYA(u) ? POS_AFTER_SUB : \
- IS_TAML(u) ? POS_AFTER_POST : \
- IS_TELU(u) ? POS_BEFORE_SUB : \
- IS_KNDA(u) ? POS_BEFORE_SUB : \
- IS_MLYM(u) ? POS_AFTER_POST : \
- IS_SINH(u) ? POS_AFTER_SUB : \
- /*default*/ POS_AFTER_SUB \
- )
-
-static inline indic_position_t
-matra_position (hb_codepoint_t u, indic_position_t side)
-{
- switch ((int) side)
- {
- case POS_PRE_C: return MATRA_POS_LEFT (u);
- case POS_POST_C: return MATRA_POS_RIGHT (u);
- case POS_ABOVE_C: return MATRA_POS_TOP (u);
- case POS_BELOW_C: return MATRA_POS_BOTTOM (u);
- };
- return side;
-}
-
-/* XXX
- * This is a hack for now. We should move this data into the main Indic table.
- * Or completely remove it and just check in the tables.
- */
-static const hb_codepoint_t ra_chars[] = {
- 0x0930u, /* Devanagari */
- 0x09B0u, /* Bengali */
- 0x09F0u, /* Bengali */
- 0x0A30u, /* Gurmukhi */ /* No Reph */
- 0x0AB0u, /* Gujarati */
- 0x0B30u, /* Oriya */
- 0x0BB0u, /* Tamil */ /* No Reph */
- 0x0C30u, /* Telugu */ /* Reph formed only with ZWJ */
- 0x0CB0u, /* Kannada */
- 0x0D30u, /* Malayalam */ /* No Reph, Logical Repha */
-
- 0x0DBBu, /* Sinhala */ /* Reph formed only with ZWJ */
-};
-
-static inline bool
-is_ra (hb_codepoint_t u)
-{
- for (unsigned int i = 0; i < ARRAY_LENGTH (ra_chars); i++)
- if (u == ra_chars[i])
- return true;
- return false;
-}
-
-static inline bool
-is_one_of (const hb_glyph_info_t &info, unsigned int flags)
-{
- /* If it ligated, all bets are off. */
- if (_hb_glyph_info_ligated (&info)) return false;
- return !!(FLAG_UNSAFE (info.indic_category()) & flags);
-}
-
-static inline bool
-is_joiner (const hb_glyph_info_t &info)
-{
- return is_one_of (info, JOINER_FLAGS);
-}
-
-static inline bool
-is_consonant (const hb_glyph_info_t &info)
-{
- return is_one_of (info, CONSONANT_FLAGS);
-}
-
-static inline bool
-is_halant (const hb_glyph_info_t &info)
-{
- return is_one_of (info, FLAG (OT_H));
-}
-
-static inline void
-set_indic_properties (hb_glyph_info_t &info)
-{
- hb_codepoint_t u = info.codepoint;
- unsigned int type = hb_indic_get_categories (u);
- indic_category_t cat = (indic_category_t) (type & 0x7Fu);
- indic_position_t pos = (indic_position_t) (type >> 8);
-
-
- /*
- * Re-assign category
- */
-
- /* The following act more like the Bindus. */
- if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x0953u, 0x0954u)))
- cat = OT_SM;
- /* The following act like consonants. */
- else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0x0A72u, 0x0A73u,
- 0x1CF5u, 0x1CF6u)))
- cat = OT_C;
- /* TODO: The following should only be allowed after a Visarga.
- * For now, just treat them like regular tone marks. */
- else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x1CE2u, 0x1CE8u)))
- cat = OT_A;
- /* TODO: The following should only be allowed after some of
- * the nasalization marks, maybe only for U+1CE9..U+1CF1.
- * For now, just treat them like tone marks. */
- else if (unlikely (u == 0x1CEDu))
- cat = OT_A;
- /* The following take marks in standalone clusters, similar to Avagraha. */
- else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0xA8F2u, 0xA8F7u,
- 0x1CE9u, 0x1CECu,
- 0x1CEEu, 0x1CF1u)))
- {
- cat = OT_Symbol;
- static_assert (((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol), "");
- }
- else if (unlikely (u == 0x0A51u))
- {
- /* https://github.com/harfbuzz/harfbuzz/issues/524 */
- cat = OT_M;
- pos = POS_BELOW_C;
- }
-
- /* According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
- * so the Indic shaper needs to know their categories. */
- else if (unlikely (u == 0x11301u || u == 0x11303u)) cat = OT_SM;
- else if (unlikely (u == 0x1133cu)) cat = OT_N;
-
- else if (unlikely (u == 0x0AFBu)) cat = OT_N; /* https://github.com/harfbuzz/harfbuzz/issues/552 */
-
- else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/issues/538 */
- else if (unlikely (u == 0x0C80u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/pull/623 */
- else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
- cat = OT_PLACEHOLDER;
- else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
-
-
- /*
- * Re-assign position.
- */
-
- if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
- {
- pos = POS_BASE_C;
- if (is_ra (u))
- cat = OT_Ra;
- }
- else if (cat == OT_M)
- {
- pos = matra_position (u, pos);
- }
- else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) /* | FLAG (OT_VD) */ | FLAG (OT_A) | FLAG (OT_Symbol))))
- {
- pos = POS_SMVD;
- }
-
- if (unlikely (u == 0x0B01u)) pos = POS_BEFORE_SUB; /* Oriya Bindu is BeforeSub in the spec. */
-
-
-
- info.indic_category() = cat;
- info.indic_position() = pos;
-}
-
-/*
- * Things above this line should ideally be moved to the Indic table itself.
- */
-
-
/*
* Indic configurations. Note that we do not want to keep every single script-specific
* behavior in these tables necessarily. This should mainly be used for per-script