[indic/myanmar] Refactor a few macros

This commit is contained in:
Behdad Esfahbod 2014-05-27 17:47:43 -04:00
parent 2307268e01
commit cf71d28c38
3 changed files with 12 additions and 16 deletions

View File

@ -64,6 +64,18 @@ enum indic_category_t {
OT_CM2 = 31 /* Consonant-Medial, second slot. */
};
#define MEDIAL_FLAGS (FLAG (OT_CM) | FLAG (OT_CM2))
/* Note:
*
* We treat Vowels and placeholders as if they were consonants. This is safe because Vowels
* cannot happen in a consonant syllable. The plus side however is, we can call the
* consonant syllable logic from the vowel syllable function and get it all right! */
#define CONSONANT_FLAGS (FLAG (OT_C) | FLAG (OT_Ra) | MEDIAL_FLAGS | FLAG (OT_V) | FLAG (OT_NBSP) | FLAG (OT_DOTTEDCIRCLE))
#define JOINER_FLAGS (FLAG (OT_ZWJ) | FLAG (OT_ZWNJ))
#define HALANT_OR_COENG_FLAGS (FLAG (OT_H) | FLAG (OT_Coeng))
/* Visual positions in a syllable from left to right. */
enum indic_position_t {
POS_START,

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@ -145,28 +145,18 @@ is_one_of (const hb_glyph_info_t &info, unsigned int flags)
return !!(FLAG (info.indic_category()) & flags);
}
#define JOINER_FLAGS (FLAG (OT_ZWJ) | FLAG (OT_ZWNJ))
static inline bool
is_joiner (const hb_glyph_info_t &info)
{
return is_one_of (info, JOINER_FLAGS);
}
#define MEDIAL_FLAGS (FLAG (OT_CM) | FLAG (OT_CM2))
/* Note:
*
* We treat Vowels and placeholders as if they were consonants. This is safe because Vowels
* cannot happen in a consonant syllable. The plus side however is, we can call the
* consonant syllable logic from the vowel syllable function and get it all right! */
#define CONSONANT_FLAGS (FLAG (OT_C) | FLAG (OT_Ra) | MEDIAL_FLAGS | FLAG (OT_V) | FLAG (OT_NBSP) | FLAG (OT_DOTTEDCIRCLE))
static inline bool
is_consonant (const hb_glyph_info_t &info)
{
return is_one_of (info, CONSONANT_FLAGS);
}
#define HALANT_OR_COENG_FLAGS (FLAG (OT_H) | FLAG (OT_Coeng))
static inline bool
is_halant_or_coeng (const hb_glyph_info_t &info)
{

View File

@ -157,12 +157,6 @@ is_one_of (const hb_glyph_info_t &info, unsigned int flags)
return !!(FLAG (info.myanmar_category()) & flags);
}
/* Note:
*
* We treat Vowels and placeholders as if they were consonants. This is safe because Vowels
* cannot happen in a consonant syllable. The plus side however is, we can call the
* consonant syllable logic from the vowel syllable function and get it all right! */
#define CONSONANT_FLAGS (FLAG (OT_C) | FLAG (OT_CM) | FLAG (OT_Ra) | FLAG (OT_V) | FLAG (OT_NBSP) | FLAG (OT_GB))
static inline bool
is_consonant (const hb_glyph_info_t &info)
{