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New API hb_buffer_add_codepoints()

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Like hb_buffer_add_utf32, but doesn't do any Unicode validation.
This is like what hb_buffer_add_utf32 used to be until a couple
commits ago.
This commit is contained in:
Behdad Esfahbod 2014-07-16 14:59:04 -04:00
parent 625dbf141a
commit bcba8b4502
2 changed files with 35 additions and 5 deletions
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32
src/hb-buffer.cc
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@ -1290,7 +1290,7 @@ hb_buffer_guess_segment_properties (hb_buffer_t *buffer)
buffer->guess_segment_properties (); buffer->guess_segment_properties ();
} }
template <typename T> template <bool validate, typename T>
static inline void static inline void
hb_buffer_add_utf (hb_buffer_t *buffer, hb_buffer_add_utf (hb_buffer_t *buffer,
const T *text, const T *text,
@ -1298,7 +1298,7 @@ hb_buffer_add_utf (hb_buffer_t *buffer,
unsigned int item_offset, unsigned int item_offset,
int item_length) int item_length)
{ {
typedef hb_utf_t<T> utf_t; typedef hb_utf_t<T, true> utf_t;
assert (buffer->content_type == HB_BUFFER_CONTENT_TYPE_UNICODE || assert (buffer->content_type == HB_BUFFER_CONTENT_TYPE_UNICODE ||
(!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID)); (!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID));
@ -1377,7 +1377,7 @@ hb_buffer_add_utf8 (hb_buffer_t *buffer,
unsigned int item_offset, unsigned int item_offset,
int item_length) int item_length)
{ {
hb_buffer_add_utf (buffer, (const uint8_t *) text, text_length, item_offset, item_length); hb_buffer_add_utf<true> (buffer, (const uint8_t *) text, text_length, item_offset, item_length);
} }
/** /**
@ -1399,7 +1399,7 @@ hb_buffer_add_utf16 (hb_buffer_t *buffer,
unsigned int item_offset, unsigned int item_offset,
int item_length) int item_length)
{ {
hb_buffer_add_utf (buffer, text, text_length, item_offset, item_length); hb_buffer_add_utf<true> (buffer, text, text_length, item_offset, item_length);
} }
/** /**
@ -1421,7 +1421,29 @@ hb_buffer_add_utf32 (hb_buffer_t *buffer,
unsigned int item_offset, unsigned int item_offset,
int item_length) int item_length)
{ {
hb_buffer_add_utf (buffer, text, text_length, item_offset, item_length); hb_buffer_add_utf<true> (buffer, text, text_length, item_offset, item_length);
}
/**
* hb_buffer_add_codepoints:
* @buffer: a buffer.
* @text: (array length=text_length):
* @text_length:
* @item_offset:
* @item_length:
*
*
*
* Since: 1.0
**/
void
hb_buffer_add_codepoints (hb_buffer_t *buffer,
const hb_codepoint_t *text,
int text_length,
unsigned int item_offset,
int item_length)
{
hb_buffer_add_utf<false> (buffer, text, text_length, item_offset, item_length);
} }

8
src/hb-buffer.h
View File

@ -240,6 +240,14 @@ hb_buffer_add_utf32 (hb_buffer_t *buffer,
unsigned int item_offset, unsigned int item_offset,
int item_length); int item_length);
/* Like add_utf32 but does NOT check for invalid Unicode codepoints. */
void
hb_buffer_add_codepoints (hb_buffer_t *buffer,
const hb_codepoint_t *text,
int text_length,
unsigned int item_offset,
int item_length);
/* Clears any new items added at the end */ /* Clears any new items added at the end */
hb_bool_t hb_bool_t