[indic] Add print-indic-table
This commit is contained in:
Behdad Esfahbod
parent
fd0bde6325
commit
397ed53e55
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@ -9,6 +9,8 @@ CLEANFILES =
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DISTCLEANFILES =
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MAINTAINERCLEANFILES =
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DISTCHECK_CONFIGURE_FLAGS = --enable-introspection
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TESTS =
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check_PROGRAMS =
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# The following warning options are useful for debugging: -Wpadded
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#AM_CXXFLAGS =
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@ -341,6 +343,7 @@ dist_check_SCRIPTS = \
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check-static-inits.sh \
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check-symbols.sh \
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$(NULL)
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TESTS += $(dist_check_SCRIPTS)
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if !WITH_LIBSTDCXX
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dist_check_SCRIPTS += \
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@ -348,14 +351,19 @@ dist_check_SCRIPTS += \
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$(NULL)
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endif
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check_PROGRAMS = \
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test-ot-tag \
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check_PROGRAMS += \
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print-indic-table \
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$(NULL)
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print_indic_table_SOURCES = print-indic-table.cc hb-ot-shape-complex-indic-table.cc
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print_indic_table_CPPFLAGS = $(HBCFLAGS) -DMAIN
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print_indic_table_LDADD = libharfbuzz.la $(HBLIBS)
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check_PROGRAMS += test-ot-tag
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TESTS += test-ot-tag
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test_ot_tag_SOURCES = hb-ot-tag.cc
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test_ot_tag_CPPFLAGS = $(HBCFLAGS) -DMAIN
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test_ot_tag_LDADD = libharfbuzz.la $(HBLIBS)
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TESTS = $(dist_check_SCRIPTS) $(check_PROGRAMS)
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TESTS_ENVIRONMENT = \
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srcdir="$(srcdir)" \
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MAKE="$(MAKE) $(AM_MAKEFLAGS)" \
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@ -186,4 +186,189 @@ enum indic_matra_category_t {
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HB_INTERNAL INDIC_TABLE_ELEMENT_TYPE
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hb_indic_get_categories (hb_codepoint_t u);
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/* buffer var allocations */
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#define indic_category() complex_var_u8_0() /* indic_category_t */
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#define indic_position() complex_var_u8_1() /* indic_position_t */
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#define IN_HALF_BLOCK(u, Base) (((u) & ~0x7Fu) == (Base))
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#define IS_DEVA(u) (IN_HALF_BLOCK (u, 0x0900u))
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#define IS_BENG(u) (IN_HALF_BLOCK (u, 0x0980u))
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#define IS_GURU(u) (IN_HALF_BLOCK (u, 0x0A00u))
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#define IS_GUJR(u) (IN_HALF_BLOCK (u, 0x0A80u))
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#define IS_ORYA(u) (IN_HALF_BLOCK (u, 0x0B00u))
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#define IS_TAML(u) (IN_HALF_BLOCK (u, 0x0B80u))
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#define IS_TELU(u) (IN_HALF_BLOCK (u, 0x0C00u))
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#define IS_KNDA(u) (IN_HALF_BLOCK (u, 0x0C80u))
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#define IS_MLYM(u) (IN_HALF_BLOCK (u, 0x0D00u))
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#define IS_SINH(u) (IN_HALF_BLOCK (u, 0x0D80u))
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#define MATRA_POS_LEFT(u) POS_PRE_M
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#define MATRA_POS_RIGHT(u) ( \
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IS_DEVA(u) ? POS_AFTER_SUB : \
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IS_BENG(u) ? POS_AFTER_POST : \
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IS_GURU(u) ? POS_AFTER_POST : \
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IS_GUJR(u) ? POS_AFTER_POST : \
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IS_ORYA(u) ? POS_AFTER_POST : \
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IS_TAML(u) ? POS_AFTER_POST : \
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IS_TELU(u) ? (u <= 0x0C42u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
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IS_KNDA(u) ? (u < 0x0CC3u || u > 0xCD6u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
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IS_MLYM(u) ? POS_AFTER_POST : \
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IS_SINH(u) ? POS_AFTER_SUB : \
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/*default*/ POS_AFTER_SUB \
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)
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#define MATRA_POS_TOP(u) ( /* BENG and MLYM don't have top matras. */ \
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IS_DEVA(u) ? POS_AFTER_SUB : \
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IS_GURU(u) ? POS_AFTER_POST : /* Deviate from spec */ \
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IS_GUJR(u) ? POS_AFTER_SUB : \
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IS_ORYA(u) ? POS_AFTER_MAIN : \
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IS_TAML(u) ? POS_AFTER_SUB : \
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IS_TELU(u) ? POS_BEFORE_SUB : \
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IS_KNDA(u) ? POS_BEFORE_SUB : \
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IS_SINH(u) ? POS_AFTER_SUB : \
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/*default*/ POS_AFTER_SUB \
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)
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#define MATRA_POS_BOTTOM(u) ( \
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IS_DEVA(u) ? POS_AFTER_SUB : \
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IS_BENG(u) ? POS_AFTER_SUB : \
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IS_GURU(u) ? POS_AFTER_POST : \
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IS_GUJR(u) ? POS_AFTER_POST : \
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IS_ORYA(u) ? POS_AFTER_SUB : \
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IS_TAML(u) ? POS_AFTER_POST : \
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IS_TELU(u) ? POS_BEFORE_SUB : \
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IS_KNDA(u) ? POS_BEFORE_SUB : \
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IS_MLYM(u) ? POS_AFTER_POST : \
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IS_SINH(u) ? POS_AFTER_SUB : \
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/*default*/ POS_AFTER_SUB \
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)
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static inline indic_position_t
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matra_position (hb_codepoint_t u, indic_position_t side)
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{
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switch ((int) side)
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{
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case POS_PRE_C: return MATRA_POS_LEFT (u);
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case POS_POST_C: return MATRA_POS_RIGHT (u);
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case POS_ABOVE_C: return MATRA_POS_TOP (u);
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case POS_BELOW_C: return MATRA_POS_BOTTOM (u);
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};
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return side;
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}
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/* XXX
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* This is a hack for now. We should move this data into the main Indic table.
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* Or completely remove it and just check in the tables.
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*/
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static const hb_codepoint_t ra_chars[] = {
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0x0930u, /* Devanagari */
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0x09B0u, /* Bengali */
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0x09F0u, /* Bengali */
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0x0A30u, /* Gurmukhi */ /* No Reph */
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0x0AB0u, /* Gujarati */
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0x0B30u, /* Oriya */
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0x0BB0u, /* Tamil */ /* No Reph */
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0x0C30u, /* Telugu */ /* Reph formed only with ZWJ */
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0x0CB0u, /* Kannada */
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0x0D30u, /* Malayalam */ /* No Reph, Logical Repha */
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0x0DBBu, /* Sinhala */ /* Reph formed only with ZWJ */
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};
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static inline bool
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is_ra (hb_codepoint_t u)
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{
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for (unsigned int i = 0; i < ARRAY_LENGTH (ra_chars); i++)
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if (u == ra_chars[i])
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return true;
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return false;
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}
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static inline void
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set_indic_properties (hb_glyph_info_t &info)
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{
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hb_codepoint_t u = info.codepoint;
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unsigned int type = hb_indic_get_categories (u);
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indic_category_t cat = (indic_category_t) (type & 0x7Fu);
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indic_position_t pos = (indic_position_t) (type >> 8);
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/*
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* Re-assign category
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*/
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/* The following act more like the Bindus. */
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if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x0953u, 0x0954u)))
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cat = OT_SM;
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/* The following act like consonants. */
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else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0x0A72u, 0x0A73u,
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0x1CF5u, 0x1CF6u)))
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cat = OT_C;
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/* TODO: The following should only be allowed after a Visarga.
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* For now, just treat them like regular tone marks. */
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else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x1CE2u, 0x1CE8u)))
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cat = OT_A;
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/* TODO: The following should only be allowed after some of
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* the nasalization marks, maybe only for U+1CE9..U+1CF1.
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* For now, just treat them like tone marks. */
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else if (unlikely (u == 0x1CEDu))
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cat = OT_A;
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/* The following take marks in standalone clusters, similar to Avagraha. */
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else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0xA8F2u, 0xA8F7u,
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0x1CE9u, 0x1CECu,
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0x1CEEu, 0x1CF1u)))
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{
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cat = OT_Symbol;
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static_assert (((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol), "");
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}
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else if (unlikely (u == 0x0A51u))
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{
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/* https://github.com/harfbuzz/harfbuzz/issues/524 */
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cat = OT_M;
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pos = POS_BELOW_C;
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}
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/* According to ScriptExtensions.txt, these Grantha marks may also be used in Tamil,
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* so the Indic shaper needs to know their categories. */
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else if (unlikely (u == 0x11301u || u == 0x11303u)) cat = OT_SM;
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else if (unlikely (u == 0x1133cu)) cat = OT_N;
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else if (unlikely (u == 0x0AFBu)) cat = OT_N; /* https://github.com/harfbuzz/harfbuzz/issues/552 */
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else if (unlikely (u == 0x0980u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/issues/538 */
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else if (unlikely (u == 0x0C80u)) cat = OT_PLACEHOLDER; /* https://github.com/harfbuzz/harfbuzz/pull/623 */
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else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x2010u, 0x2011u)))
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cat = OT_PLACEHOLDER;
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else if (unlikely (u == 0x25CCu)) cat = OT_DOTTEDCIRCLE;
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/*
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* Re-assign position.
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*/
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if ((FLAG_UNSAFE (cat) & CONSONANT_FLAGS))
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{
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pos = POS_BASE_C;
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if (is_ra (u))
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cat = OT_Ra;
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}
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else if (cat == OT_M)
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{
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pos = matra_position (u, pos);
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}
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else if ((FLAG_UNSAFE (cat) & (FLAG (OT_SM) /* | FLAG (OT_VD) */ | FLAG (OT_A) | FLAG (OT_Symbol))))
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{
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pos = POS_SMVD;
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}
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if (unlikely (u == 0x0B01u)) pos = POS_BEFORE_SUB; /* Oriya Bindu is BeforeSub in the spec. */
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info.indic_category() = cat;
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info.indic_position() = pos;
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}
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#endif /* HB_OT_SHAPE_COMPLEX_INDIC_PRIVATE_HH */
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@ -27,110 +27,12 @@
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#include "hb-ot-shape-complex-indic-private.hh"
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#include "hb-ot-layout-private.hh"
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/* buffer var allocations */
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#define indic_category() complex_var_u8_0() /* indic_category_t */
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#define indic_position() complex_var_u8_1() /* indic_position_t */
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/*
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* Indic shaper.
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*/
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#define IN_HALF_BLOCK(u, Base) (((u) & ~0x7Fu) == (Base))
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#define IS_DEVA(u) (IN_HALF_BLOCK (u, 0x0900u))
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#define IS_BENG(u) (IN_HALF_BLOCK (u, 0x0980u))
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#define IS_GURU(u) (IN_HALF_BLOCK (u, 0x0A00u))
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#define IS_GUJR(u) (IN_HALF_BLOCK (u, 0x0A80u))
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#define IS_ORYA(u) (IN_HALF_BLOCK (u, 0x0B00u))
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#define IS_TAML(u) (IN_HALF_BLOCK (u, 0x0B80u))
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#define IS_TELU(u) (IN_HALF_BLOCK (u, 0x0C00u))
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#define IS_KNDA(u) (IN_HALF_BLOCK (u, 0x0C80u))
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#define IS_MLYM(u) (IN_HALF_BLOCK (u, 0x0D00u))
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#define IS_SINH(u) (IN_HALF_BLOCK (u, 0x0D80u))
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#define MATRA_POS_LEFT(u) POS_PRE_M
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#define MATRA_POS_RIGHT(u) ( \
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IS_DEVA(u) ? POS_AFTER_SUB : \
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IS_BENG(u) ? POS_AFTER_POST : \
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IS_GURU(u) ? POS_AFTER_POST : \
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IS_GUJR(u) ? POS_AFTER_POST : \
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IS_ORYA(u) ? POS_AFTER_POST : \
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IS_TAML(u) ? POS_AFTER_POST : \
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IS_TELU(u) ? (u <= 0x0C42u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
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IS_KNDA(u) ? (u < 0x0CC3u || u > 0xCD6u ? POS_BEFORE_SUB : POS_AFTER_SUB) : \
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IS_MLYM(u) ? POS_AFTER_POST : \
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IS_SINH(u) ? POS_AFTER_SUB : \
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/*default*/ POS_AFTER_SUB \
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)
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#define MATRA_POS_TOP(u) ( /* BENG and MLYM don't have top matras. */ \
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IS_DEVA(u) ? POS_AFTER_SUB : \
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IS_GURU(u) ? POS_AFTER_POST : /* Deviate from spec */ \
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IS_GUJR(u) ? POS_AFTER_SUB : \
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IS_ORYA(u) ? POS_AFTER_MAIN : \
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IS_TAML(u) ? POS_AFTER_SUB : \
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IS_TELU(u) ? POS_BEFORE_SUB : \
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IS_KNDA(u) ? POS_BEFORE_SUB : \
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IS_SINH(u) ? POS_AFTER_SUB : \
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/*default*/ POS_AFTER_SUB \
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)
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#define MATRA_POS_BOTTOM(u) ( \
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IS_DEVA(u) ? POS_AFTER_SUB : \
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IS_BENG(u) ? POS_AFTER_SUB : \
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IS_GURU(u) ? POS_AFTER_POST : \
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IS_GUJR(u) ? POS_AFTER_POST : \
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IS_ORYA(u) ? POS_AFTER_SUB : \
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IS_TAML(u) ? POS_AFTER_POST : \
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IS_TELU(u) ? POS_BEFORE_SUB : \
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IS_KNDA(u) ? POS_BEFORE_SUB : \
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IS_MLYM(u) ? POS_AFTER_POST : \
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IS_SINH(u) ? POS_AFTER_SUB : \
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/*default*/ POS_AFTER_SUB \
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)
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static inline indic_position_t
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matra_position (hb_codepoint_t u, indic_position_t side)
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{
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switch ((int) side)
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{
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case POS_PRE_C: return MATRA_POS_LEFT (u);
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case POS_POST_C: return MATRA_POS_RIGHT (u);
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case POS_ABOVE_C: return MATRA_POS_TOP (u);
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case POS_BELOW_C: return MATRA_POS_BOTTOM (u);
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};
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return side;
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}
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/* XXX
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* This is a hack for now. We should move this data into the main Indic table.
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* Or completely remove it and just check in the tables.
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*/
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static const hb_codepoint_t ra_chars[] = {
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0x0930u, /* Devanagari */
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0x09B0u, /* Bengali */
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0x09F0u, /* Bengali */
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0x0A30u, /* Gurmukhi */ /* No Reph */
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0x0AB0u, /* Gujarati */
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0x0B30u, /* Oriya */
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0x0BB0u, /* Tamil */ /* No Reph */
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0x0C30u, /* Telugu */ /* Reph formed only with ZWJ */
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0x0CB0u, /* Kannada */
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0x0D30u, /* Malayalam */ /* No Reph, Logical Repha */
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0x0DBBu, /* Sinhala */ /* Reph formed only with ZWJ */
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};
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static inline bool
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is_ra (hb_codepoint_t u)
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{
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for (unsigned int i = 0; i < ARRAY_LENGTH (ra_chars); i++)
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if (u == ra_chars[i])
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return true;
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return false;
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}
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static inline bool
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is_one_of (const hb_glyph_info_t &info, unsigned int flags)
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{
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@ -157,95 +59,6 @@ is_halant (const hb_glyph_info_t &info)
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return is_one_of (info, FLAG (OT_H));
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}
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static inline void
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set_indic_properties (hb_glyph_info_t &info)
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{
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hb_codepoint_t u = info.codepoint;
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unsigned int type = hb_indic_get_categories (u);
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indic_category_t cat = (indic_category_t) (type & 0x7Fu);
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indic_position_t pos = (indic_position_t) (type >> 8);
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/*
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* Re-assign category
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*/
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/* The following act more like the Bindus. */
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if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x0953u, 0x0954u)))
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cat = OT_SM;
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/* The following act like consonants. */
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else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0x0A72u, 0x0A73u,
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0x1CF5u, 0x1CF6u)))
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cat = OT_C;
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/* TODO: The following should only be allowed after a Visarga.
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* For now, just treat them like regular tone marks. */
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else if (unlikely (hb_in_range<hb_codepoint_t> (u, 0x1CE2u, 0x1CE8u)))
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cat = OT_A;
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/* TODO: The following should only be allowed after some of
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* the nasalization marks, maybe only for U+1CE9..U+1CF1.
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* For now, just treat them like tone marks. */
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else if (unlikely (u == 0x1CEDu))
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cat = OT_A;
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/* The following take marks in standalone clusters, similar to Avagraha. */
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else if (unlikely (hb_in_ranges<hb_codepoint_t> (u, 0xA8F2u, 0xA8F7u,
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0x1CE9u, 0x1CECu,
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0x1CEEu, 0x1CF1u)))
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{
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cat = OT_Symbol;
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static_assert (((int) INDIC_SYLLABIC_CATEGORY_AVAGRAHA == OT_Symbol), "");
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}
|
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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
|
||||
|
|
|
|||
|
|
@ -0,0 +1,43 @@
|
|||
/*
|
||||
* Copyright © 2018 Google, Inc.
|
||||
*
|
||||
* This is part of HarfBuzz, a text shaping library.
|
||||
*
|
||||
* Permission is hereby granted, without written agreement and without
|
||||
* license or royalty fees, to use, copy, modify, and distribute this
|
||||
* software and its documentation for any purpose, provided that the
|
||||
* above copyright notice and the following two paragraphs appear in
|
||||
* all copies of this software.
|
||||
*
|
||||
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
|
||||
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
|
||||
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
|
||||
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
|
||||
* DAMAGE.
|
||||
*
|
||||
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
|
||||
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
|
||||
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
|
||||
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
|
||||
*
|
||||
* Google Author(s): Behdad Esfahbod
|
||||
*/
|
||||
|
||||
#include "hb-ot-shape-complex-indic-private.hh"
|
||||
|
||||
int
|
||||
main (void)
|
||||
{
|
||||
for (hb_codepoint_t u = 0; u <= 0x10FFFF; u++)
|
||||
{
|
||||
hb_glyph_info_t info;
|
||||
info.codepoint = u;
|
||||
set_indic_properties (info);
|
||||
if (info.indic_category() != INDIC_SYLLABIC_CATEGORY_OTHER ||
|
||||
info.indic_position() != INDIC_MATRA_CATEGORY_NOT_APPLICABLE)
|
||||
printf("U+%04X %u %u\n", u,
|
||||
info.indic_category(),
|
||||
info.indic_position());
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue