Rename kashida -> tatweel
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73c3ac9172
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@ -142,7 +142,7 @@ typedef struct hb_glyph_info_t {
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* shaping, otherwise the buffer flag will not be
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* reliably produced.
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* Since: 4.0.0
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* @HB_GLYPH_FLAG_SAFE_TO_INSERT_KASHIDA: In scripts that use elongation (Arabic,
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* @HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL: In scripts that use elongation (Arabic,
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Mongolian, Syriac, etc.), this flag signifies
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that it is safe to insert a U+0640 TATWEEL
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character *before* this cluster for elongation.
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@ -156,7 +156,7 @@ typedef struct hb_glyph_info_t {
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typedef enum { /*< flags >*/
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HB_GLYPH_FLAG_UNSAFE_TO_BREAK = 0x00000001,
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HB_GLYPH_FLAG_UNSAFE_TO_CONCAT = 0x00000002,
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HB_GLYPH_FLAG_SAFE_TO_INSERT_KASHIDA = 0x00000004,
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HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL = 0x00000004,
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HB_GLYPH_FLAG_DEFINED = 0x00000007 /* OR of all defined flags */
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} hb_glyph_flags_t;
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@ -379,8 +379,8 @@ hb_buffer_guess_segment_properties (hb_buffer_t *buffer);
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* flag indicating that the @HB_GLYPH_FLAG_UNSAFE_TO_CONCAT
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* glyph-flag should be produced by the shaper. By default
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* it will not be produced since it incurs a cost. Since: 4.0.0
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* @HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_KASHIDA:
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* flag indicating that the @HB_GLYPH_FLAG_SAFE_TO_INSERT_KASHIDA
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* @HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL:
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* flag indicating that the @HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL
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* glyph-flag should be produced by the shaper. By default
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* it will not be produced. Since: REPLACEME
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* @HB_BUFFER_FLAG_DEFINED: All currently defined flags: Since: 4.4.0
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@ -398,7 +398,7 @@ typedef enum { /*< flags >*/
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HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE = 0x00000010u,
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HB_BUFFER_FLAG_VERIFY = 0x00000020u,
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HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT = 0x00000040u,
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HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_KASHIDA = 0x00000070u,
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HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL = 0x00000070u,
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HB_BUFFER_FLAG_DEFINED = 0x000000FFu
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} hb_buffer_flags_t;
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@ -462,14 +462,14 @@ struct hb_buffer_t
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start, end,
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true);
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}
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void safe_to_insert_kashida (unsigned int start = 0, unsigned int end = -1)
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void safe_to_insert_tatweel (unsigned int start = 0, unsigned int end = -1)
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{
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if ((flags & HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_KASHIDA) == 0)
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if ((flags & HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL) == 0)
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{
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unsafe_to_break (start, end);
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return;
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}
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_set_glyph_flags (HB_GLYPH_FLAG_SAFE_TO_INSERT_KASHIDA,
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_set_glyph_flags (HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL,
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start, end,
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true);
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}
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@ -1141,15 +1141,15 @@ hb_propagate_flags (hb_buffer_t *buffer)
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if (!(buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_GLYPH_FLAGS))
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return;
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/* If we are producing SAFE_TO_INSERT_KASHIDA, then do two things:
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/* If we are producing SAFE_TO_INSERT_TATWEEL, then do two things:
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*
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* - If the places that the Arabic shaper marked as SAFE_TO_INSERT_KASHIDA,
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* are UNSAFE_TO_BREAK, then clear the SAFE_TO_INSERT_KASHIDA,
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* - Any place that is SAFE_TO_INSERT_KASHIDA, is also now UNSAFE_TO_BREAK.
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* - If the places that the Arabic shaper marked as SAFE_TO_INSERT_TATWEEL,
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* are UNSAFE_TO_BREAK, then clear the SAFE_TO_INSERT_TATWEEL,
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* - Any place that is SAFE_TO_INSERT_TATWEEL, is also now UNSAFE_TO_BREAK.
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*
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* We couldn't make this interaction earlier. It has to be done here.
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*/
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bool flip_kashida = buffer->flags & HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_KASHIDA;
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bool flip_tatweel = buffer->flags & HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL;
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hb_glyph_info_t *info = buffer->info;
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@ -1159,11 +1159,11 @@ hb_propagate_flags (hb_buffer_t *buffer)
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for (unsigned int i = start; i < end; i++)
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mask |= info[i].mask & HB_GLYPH_FLAG_DEFINED;
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if (flip_kashida)
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if (flip_tatweel)
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{
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if (mask & HB_GLYPH_FLAG_UNSAFE_TO_BREAK)
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mask &= ~HB_GLYPH_FLAG_SAFE_TO_INSERT_KASHIDA;
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if (mask & HB_GLYPH_FLAG_SAFE_TO_INSERT_KASHIDA)
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mask &= ~HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL;
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if (mask & HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL)
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mask |= HB_GLYPH_FLAG_UNSAFE_TO_BREAK | HB_GLYPH_FLAG_UNSAFE_TO_CONCAT;
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}
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@ -331,7 +331,7 @@ arabic_joining (hb_buffer_t *buffer)
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if (entry->prev_action != NONE && prev != UINT_MAX)
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{
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info[prev].arabic_shaping_action() = entry->prev_action;
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buffer->safe_to_insert_kashida (prev, i + 1);
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buffer->safe_to_insert_tatweel (prev, i + 1);
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}
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else
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{
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@ -365,7 +365,7 @@ arabic_joining (hb_buffer_t *buffer)
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if (entry->prev_action != NONE && prev != UINT_MAX)
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{
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info[prev].arabic_shaping_action() = entry->prev_action;
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buffer->safe_to_insert_kashida (prev, buffer->len);
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buffer->safe_to_insert_tatweel (prev, buffer->len);
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}
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else if (2 <= state && state <= 5) /* States that have a possible prev_action. */
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{
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@ -53,7 +53,7 @@ struct shape_options_t
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(eot ? HB_BUFFER_FLAG_EOT : 0) |
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(verify ? HB_BUFFER_FLAG_VERIFY : 0) |
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(unsafe_to_concat ? HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT : 0) |
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(safe_to_insert_kashida ? HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_KASHIDA : 0) |
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(safe_to_insert_tatweel ? HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL : 0) |
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(preserve_default_ignorables ? HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES : 0) |
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(remove_default_ignorables ? HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES : 0) |
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0));
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@ -140,7 +140,7 @@ struct shape_options_t
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hb_bool_t normalize_glyphs = false;
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hb_bool_t verify = false;
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hb_bool_t unsafe_to_concat = false;
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hb_bool_t safe_to_insert_kashida = false;
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hb_bool_t safe_to_insert_tatweel = false;
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unsigned int num_iterations = 1;
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};
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@ -265,7 +265,7 @@ shape_options_t::add_options (option_parser_t *parser)
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{"cluster-level", 0, 0, G_OPTION_ARG_INT, &this->cluster_level, "Cluster merging level (default: 0)", "0/1/2"},
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{"normalize-glyphs",0, 0, G_OPTION_ARG_NONE, &this->normalize_glyphs, "Rearrange glyph clusters in nominal order", nullptr},
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{"unsafe-to-concat",0, 0, G_OPTION_ARG_NONE, &this->unsafe_to_concat, "Produce unsafe-to-concat glyph flag", nullptr},
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{"safe-to-insert-kashida",0, 0, G_OPTION_ARG_NONE, &this->safe_to_insert_kashida, "Produce safe-to-insert-kashida glyph flag", nullptr},
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{"safe-to-insert-tatweel",0, 0, G_OPTION_ARG_NONE, &this->safe_to_insert_tatweel, "Produce safe-to-insert-tatweel glyph flag", nullptr},
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{"verify", 0, 0, G_OPTION_ARG_NONE, &this->verify, "Perform sanity checks on shaping results", nullptr},
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{"num-iterations", 'n', G_OPTION_FLAG_IN_MAIN,
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G_OPTION_ARG_INT, &this->num_iterations, "Run shaper N times (default: 1)", "N"},
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