#include "hb-unicode-private.hh"
-#ifndef HB_BUFFER_MAX_EXPANSION_FACTOR
-#define HB_BUFFER_MAX_EXPANSION_FACTOR 32
-#endif
-#ifndef HB_BUFFER_MAX_LEN_MIN
-#define HB_BUFFER_MAX_LEN_MIN 8192
-#endif
-#ifndef HB_BUFFER_MAX_LEN_DEFAULT
-#define HB_BUFFER_MAX_LEN_DEFAULT 0x3FFFFFFF /* Shaping more than a billion chars? Let us know! */
-#endif
-
ASSERT_STATIC (sizeof (hb_glyph_info_t) == 20);
ASSERT_STATIC (sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t));
-HB_MARK_AS_FLAG_T (hb_buffer_flags_t);
-HB_MARK_AS_FLAG_T (hb_buffer_serialize_flags_t);
-
-enum hb_buffer_scratch_flags_t {
- HB_BUFFER_SCRATCH_FLAG_DEFAULT = 0x00000000u,
- HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII = 0x00000001u,
- HB_BUFFER_SCRATCH_FLAG_HAS_DEFAULT_IGNORABLES = 0x00000002u,
- HB_BUFFER_SCRATCH_FLAG_HAS_SPACE_FALLBACK = 0x00000004u,
- HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT = 0x00000008u,
- /* Reserved for complex shapers' internal use. */
- HB_BUFFER_SCRATCH_FLAG_COMPLEX0 = 0x01000000u,
- HB_BUFFER_SCRATCH_FLAG_COMPLEX1 = 0x02000000u,
- HB_BUFFER_SCRATCH_FLAG_COMPLEX2 = 0x04000000u,
- HB_BUFFER_SCRATCH_FLAG_COMPLEX3 = 0x08000000u,
-};
-HB_MARK_AS_FLAG_T (hb_buffer_scratch_flags_t);
-
/*
* hb_buffer_t
/* Information about how the text in the buffer should be treated */
hb_unicode_funcs_t *unicode; /* Unicode functions */
hb_buffer_flags_t flags; /* BOT / EOT / etc. */
- hb_buffer_cluster_level_t cluster_level;
hb_codepoint_t replacement; /* U+FFFD or something else. */
- hb_buffer_scratch_flags_t scratch_flags; /* Have space-flallback, etc. */
- unsigned int max_len; /* Maximum allowed len. */
/* Buffer contents */
hb_buffer_content_type_t content_type;
inline hb_glyph_position_t &cur_pos (unsigned int i = 0) { return pos[idx + i]; }
inline hb_glyph_position_t cur_pos (unsigned int i = 0) const { return pos[idx + i]; }
- inline hb_glyph_info_t &prev (void) { return out_info[out_len ? out_len - 1 : 0]; }
- inline hb_glyph_info_t prev (void) const { return out_info[out_len ? out_len - 1 : 0]; }
+ inline hb_glyph_info_t &prev (void) { return out_info[out_len - 1]; }
+ inline hb_glyph_info_t prev (void) const { return info[out_len - 1]; }
inline bool has_separate_output (void) const { return info != out_info; }
unsigned int serial;
+ /* These reflect current allocations of the bytes in glyph_info_t's var1 and var2. */
+ uint8_t allocated_var_bytes[8];
+ const char *allocated_var_owner[8];
+
/* Text before / after the main buffer contents.
* Always in Unicode, and ordered outward.
* Index 0 is for "pre-context", 1 for "post-context". */
hb_codepoint_t context[2][CONTEXT_LENGTH];
unsigned int context_len[2];
- /* Debugging API */
- hb_buffer_message_func_t message_func;
- void *message_data;
- hb_destroy_func_t message_destroy;
-
- /* Internal debugging. */
- /* The bits here reflect current allocations of the bytes in glyph_info_t's var1 and var2. */
-#ifndef HB_NDEBUG
- uint8_t allocated_var_bits;
-#endif
- inline void allocate_var (unsigned int start, unsigned int count)
- {
-#ifndef HB_NDEBUG
- unsigned int end = start + count;
- assert (end <= 8);
- unsigned int bits = (1<<end) - (1<<start);
- assert (0 == (allocated_var_bits & bits));
- allocated_var_bits |= bits;
-#endif
- }
- inline void deallocate_var (unsigned int start, unsigned int count)
- {
-#ifndef HB_NDEBUG
- unsigned int end = start + count;
- assert (end <= 8);
- unsigned int bits = (1<<end) - (1<<start);
- assert (bits == (allocated_var_bits & bits));
- allocated_var_bits &= ~bits;
-#endif
- }
- inline void assert_var (unsigned int start, unsigned int count)
- {
-#ifndef HB_NDEBUG
- unsigned int end = start + count;
- assert (end <= 8);
- unsigned int bits = (1<<end) - (1<<start);
- assert (bits == (allocated_var_bits & bits));
-#endif
- }
- inline void deallocate_var_all (void)
- {
-#ifndef HB_NDEBUG
- allocated_var_bits = 0;
-#endif
- }
-
/* Methods */
{ return len - idx; }
inline unsigned int next_serial (void) { return serial++; }
+ HB_INTERNAL void allocate_var (unsigned int byte_i, unsigned int count, const char *owner);
+ HB_INTERNAL void deallocate_var (unsigned int byte_i, unsigned int count, const char *owner);
+ HB_INTERNAL void assert_var (unsigned int byte_i, unsigned int count, const char *owner);
+ HB_INTERNAL void deallocate_var_all (void);
+
HB_INTERNAL void add (hb_codepoint_t codepoint,
unsigned int cluster);
HB_INTERNAL void add_info (const hb_glyph_info_t &glyph_info);
unsigned int cluster_end);
HB_INTERNAL void merge_clusters (unsigned int start,
- unsigned int end)
- {
- if (end - start < 2)
- return;
- merge_clusters_impl (start, end);
- }
- HB_INTERNAL void merge_clusters_impl (unsigned int start,
- unsigned int end);
+ unsigned int end);
HB_INTERNAL void merge_out_clusters (unsigned int start,
unsigned int end);
- /* Merge clusters for deleting current glyph, and skip it. */
- HB_INTERNAL void delete_glyph (void);
/* Internal methods */
HB_INTERNAL bool enlarge (unsigned int size);
HB_INTERNAL scratch_buffer_t *get_scratch_buffer (unsigned int *size);
inline void clear_context (unsigned int side) { context_len[side] = 0; }
-
- HB_INTERNAL void sort (unsigned int start, unsigned int end, int(*compar)(const hb_glyph_info_t *, const hb_glyph_info_t *));
-
- inline bool messaging (void) { return unlikely (message_func); }
- inline bool message (hb_font_t *font, const char *fmt, ...) HB_PRINTF_FUNC(3, 4)
- {
- if (!messaging ())
- return true;
- va_list ap;
- va_start (ap, fmt);
- bool ret = message_impl (font, fmt, ap);
- va_end (ap);
- return ret;
- }
- HB_INTERNAL bool message_impl (hb_font_t *font, const char *fmt, va_list ap) HB_PRINTF_FUNC(3, 0);
};
-#define HB_BUFFER_XALLOCATE_VAR(b, func, var) \
+#define HB_BUFFER_XALLOCATE_VAR(b, func, var, owner) \
b->func (offsetof (hb_glyph_info_t, var) - offsetof(hb_glyph_info_t, var1), \
- sizeof (b->info[0].var))
-#define HB_BUFFER_ALLOCATE_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, allocate_var, var ())
-#define HB_BUFFER_DEALLOCATE_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, deallocate_var, var ())
-#define HB_BUFFER_ASSERT_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, assert_var, var ())
+ sizeof (b->info[0].var), owner)
+#define HB_BUFFER_ALLOCATE_VAR(b, var) \
+ HB_BUFFER_XALLOCATE_VAR (b, allocate_var, var (), #var)
+#define HB_BUFFER_DEALLOCATE_VAR(b, var) \
+ HB_BUFFER_XALLOCATE_VAR (b, deallocate_var, var (), #var)
+#define HB_BUFFER_ASSERT_VAR(b, var) \
+ HB_BUFFER_XALLOCATE_VAR (b, assert_var, var (), #var)
#endif /* HB_BUFFER_PRIVATE_HH */
projects / platform / upstream / harfbuzz.git / blobdiff