harfbuzz-ng roll

third_party/harfbuzz-ng/src/hb-common.h

 /*
  * Copyright © 2007,2008,2009  Red Hat, Inc.
  * Copyright © 2011,2012  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
@@ skipping 15 matching lines @@
  * Google Author(s): Behdad Esfahbod
  */
 
 #ifndef HB_H_IN
 #error "Include <hb.h> instead."
 #endif
 
 #ifndef HB_COMMON_H
 #define HB_COMMON_H
 
+#ifndef HB_BEGIN_DECLS
 # ifdef __cplusplus
 #  define HB_BEGIN_DECLS        extern "C" {
 #  define HB_END_DECLS          }
 # else /* !__cplusplus */
 #  define HB_BEGIN_DECLS
 #  define HB_END_DECLS
 # endif /* !__cplusplus */
-
-HB_BEGIN_DECLS
+#endif
 
 #if !defined (HB_DONT_DEFINE_STDINT)
 
 #if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || \
     defined (_sgi) || defined (__sun) || defined (sun) || \
     defined (__digital__) || defined (__HP_cc)
 #  include <inttypes.h>
 #elif defined (_AIX)
 #  include <sys/inttypes.h>
 /* VS 2010 (_MSC_VER 1600) has stdint.h */
 #elif defined (_MSC_VER) && _MSC_VER < 1600
 typedef __int8 int8_t;
 typedef unsigned __int8 uint8_t;
 typedef __int16 int16_t;
 typedef unsigned __int16 uint16_t;
 typedef __int32 int32_t;
 typedef unsigned __int32 uint32_t;
 typedef __int64 int64_t;
 typedef unsigned __int64 uint64_t;
 #else
 #  include <stdint.h>
 #endif
 
 #endif
 
+HB_BEGIN_DECLS
+
 
 typedef int hb_bool_t;
 
 typedef uint32_t hb_codepoint_t;
 typedef int32_t hb_position_t;
 typedef uint32_t hb_mask_t;
 
 typedef union _hb_var_int_t {
   uint32_t u32;
   int32_t i32;
   uint16_t u16[2];
   int16_t i16[2];
   uint8_t u8[4];
   int8_t i8[4];
 } hb_var_int_t;
 
 
 /* hb_tag_t */
 
 typedef uint32_t hb_tag_t;
 
 #define HB_TAG(a,b,c,d) ((hb_tag_t)((((uint8_t)(a))<<24)|(((uint8_t)(b))<<16)|(((uint8_t)(c))<<8)|((uint8_t)(d))))
 #define HB_UNTAG(tag)   ((uint8_t)((tag)>>24)), ((uint8_t)((tag)>>16)), ((uint8_t)((tag)>>8)), ((uint8_t)(tag))
 
 #define HB_TAG_NONE HB_TAG(0,0,0,0)
 
-/* len=-1 means str is NUL-terminated */
-hb_tag_t hb_tag_from_string (const char *str, int len);
+/* len=-1 means str is NUL-terminated. */
+hb_tag_t
+hb_tag_from_string (const char *str, int len);
+
+/* buf should have 4 bytes. */
+void
+hb_tag_to_string (hb_tag_t tag, char *buf);
 
 
 /* hb_direction_t */
 
 typedef enum {
   HB_DIRECTION_INVALID = 0,
   HB_DIRECTION_LTR = 4,
   HB_DIRECTION_RTL,
   HB_DIRECTION_TTB,
   HB_DIRECTION_BTT
 } hb_direction_t;
 
 /* len=-1 means str is NUL-terminated */
 hb_direction_t
 hb_direction_from_string (const char *str, int len);
 
 const char *
 hb_direction_to_string (hb_direction_t direction);
 
 #define HB_DIRECTION_IS_HORIZONTAL(dir) ((((unsigned int) (dir)) & ~1U) == 4)
 #define HB_DIRECTION_IS_VERTICAL(dir)   ((((unsigned int) (dir)) & ~1U) == 6)
 #define HB_DIRECTION_IS_FORWARD(dir)    ((((unsigned int) (dir)) & ~2U) == 4)
 #define HB_DIRECTION_IS_BACKWARD(dir)   ((((unsigned int) (dir)) & ~2U) == 5)
 #define HB_DIRECTION_IS_VALID(dir)      ((((unsigned int) (dir)) & ~3U) == 4)
 #define HB_DIRECTION_REVERSE(dir)       ((hb_direction_t) (((unsigned int) (dir)) ^ 1)) /* Direction must be valid */
 
 
 /* hb_language_t */
 
-typedef struct _hb_language_t *hb_language_t;
+typedef struct hb_language_impl_t *hb_language_t;
 
 /* len=-1 means str is NUL-terminated */
 hb_language_t
 hb_language_from_string (const char *str, int len);
 
 const char *
 hb_language_to_string (hb_language_t language);
 
 #define HB_LANGUAGE_INVALID ((hb_language_t) NULL)
 
 hb_language_t
 hb_language_get_default (void);
 
 
-/* hb_unicode_general_category_t */
-
-typedef enum
-{
-  HB_UNICODE_GENERAL_CATEGORY_CONTROL,                  /* Cc */
-  HB_UNICODE_GENERAL_CATEGORY_FORMAT,                   /* Cf */
-  HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED,               /* Cn */
-  HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE,              /* Co */
-  HB_UNICODE_GENERAL_CATEGORY_SURROGATE,                /* Cs */
-  HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER,         /* Ll */
-  HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER,          /* Lm */
-  HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER,             /* Lo */
-  HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER,         /* Lt */
-  HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER,         /* Lu */
-  HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK,             /* Mc */
-  HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK,           /* Me */
-  HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK,         /* Mn */
-  HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER,           /* Nd */
-  HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER,            /* Nl */
-  HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER,             /* No */
-  HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION,      /* Pc */
-  HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION,         /* Pd */
-  HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION,        /* Pe */
-  HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION,        /* Pf */
-  HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION,      /* Pi */
-  HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION,        /* Po */
-  HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION,         /* Ps */
-  HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL,          /* Sc */
-  HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL,          /* Sk */
-  HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL,              /* Sm */
-  HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL,             /* So */
-  HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR,           /* Zl */
-  HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR,      /* Zp */
-  HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR           /* Zs */
-} hb_unicode_general_category_t;
-
-
 /* hb_script_t */
 
 /* http://unicode.org/iso15924/ */
 /* http://goo.gl/x9ilM */
+/* Unicode Character Database property: Script (sc) */
 typedef enum
 {
   /* Unicode-1.1 additions */
   HB_SCRIPT_COMMON                      = HB_TAG ('Z','y','y','y'),
   HB_SCRIPT_ARABIC                      = HB_TAG ('A','r','a','b'),
   HB_SCRIPT_ARMENIAN                    = HB_TAG ('A','r','m','n'),
   HB_SCRIPT_BENGALI                     = HB_TAG ('B','e','n','g'),
   HB_SCRIPT_BOPOMOFO                    = HB_TAG ('B','o','p','o'),
   HB_SCRIPT_CANADIAN_ABORIGINAL         = HB_TAG ('C','a','n','s'),
   HB_SCRIPT_CHEROKEE                    = HB_TAG ('C','h','e','r'),
@@ skipping 133 matching lines @@
 
 hb_tag_t
 hb_script_to_iso15924_tag (hb_script_t script);
 
 hb_direction_t
 hb_script_get_horizontal_direction (hb_script_t script);
 
 
 /* User data */
 
-typedef struct _hb_user_data_key_t {
+typedef struct hb_user_data_key_t {
   /*< private >*/
   char unused;
 } hb_user_data_key_t;
 
 typedef void (*hb_destroy_func_t) (void *user_data);
 
 
 HB_END_DECLS
 
 #endif /* HB_COMMON_H */