{
switch ((unsigned) format)
{
- case HB_BUFFER_SERIALIZE_FORMAT_TEXT: return serialize_formats[0];
- case HB_BUFFER_SERIALIZE_FORMAT_JSON: return serialize_formats[1];
+ case HB_BUFFER_SERIALIZE_FORMAT_TEXT: return serialize_formats[0];
+ case HB_BUFFER_SERIALIZE_FORMAT_JSON: return serialize_formats[1];
default:
- case HB_BUFFER_SERIALIZE_FORMAT_INVALID: return nullptr;
+ case HB_BUFFER_SERIALIZE_FORMAT_INVALID: return nullptr;
}
}
static unsigned int
_hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer,
- unsigned int start,
- unsigned int end,
- char *buf,
- unsigned int buf_size,
- unsigned int *buf_consumed,
- hb_font_t *font,
- hb_buffer_serialize_flags_t flags)
+ unsigned int start,
+ unsigned int end,
+ char *buf,
+ unsigned int buf_size,
+ unsigned int *buf_consumed,
+ hb_font_t *font,
+ hb_buffer_serialize_flags_t flags)
{
hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, nullptr);
hb_glyph_position_t *pos = (flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS) ?
- nullptr : hb_buffer_get_glyph_positions (buffer, nullptr);
+ nullptr : hb_buffer_get_glyph_positions (buffer, nullptr);
*buf_consumed = 0;
hb_position_t x = 0, y = 0;
if (i)
*p++ = ',';
+ else
+ *p++ = '[';
*p++ = '{';
char g[128];
hb_font_glyph_to_string (font, info[i].codepoint, g, sizeof (g));
*p++ = '"';
- for (char *q = g; *q; q++) {
- if (*q == '"')
+ for (char *q = g; *q; q++)
+ {
+ if (unlikely (*q == '"' || *q == '\\'))
*p++ = '\\';
*p++ = *q;
}
if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS))
{
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"dx\":%d,\"dy\":%d",
- x+pos[i].x_offset, y+pos[i].y_offset));
+ x+pos[i].x_offset, y+pos[i].y_offset));
if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES))
- p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"ax\":%d,\"ay\":%d",
- pos[i].x_advance, pos[i].y_advance));
+ p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"ax\":%d,\"ay\":%d",
+ pos[i].x_advance, pos[i].y_advance));
}
if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS)
{
if (info[i].mask & HB_GLYPH_FLAG_DEFINED)
- p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"fl\":%u", info[i].mask & HB_GLYPH_FLAG_DEFINED));
+ p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"fl\":%u", info[i].mask & HB_GLYPH_FLAG_DEFINED));
}
if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS)
hb_glyph_extents_t extents;
hb_font_get_glyph_extents(font, info[i].codepoint, &extents);
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"xb\":%d,\"yb\":%d",
- extents.x_bearing, extents.y_bearing));
+ extents.x_bearing, extents.y_bearing));
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"w\":%d,\"h\":%d",
- extents.width, extents.height));
+ extents.width, extents.height));
}
*p++ = '}';
+ if (i == end-1)
+ *p++ = ']';
unsigned int l = p - b;
if (buf_size > l)
}
static unsigned int
+_hb_buffer_serialize_unicode_json (hb_buffer_t *buffer,
+ unsigned int start,
+ unsigned int end,
+ char *buf,
+ unsigned int buf_size,
+ unsigned int *buf_consumed,
+ hb_buffer_serialize_flags_t flags)
+{
+ hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, nullptr);
+
+ *buf_consumed = 0;
+ for (unsigned int i = start; i < end; i++)
+ {
+ char b[1024];
+ char *p = b;
+
+ if (i)
+ *p++ = ',';
+ else
+ *p++ = '[';
+
+ *p++ = '{';
+
+ APPEND ("\"u\":");
+
+ p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "%u", info[i].codepoint));
+
+ if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS)) {
+ p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"cl\":%u", info[i].cluster));
+ }
+
+ *p++ = '}';
+
+ if (i == end-1)
+ *p++ = ']';
+
+ unsigned int l = p - b;
+ if (buf_size > l)
+ {
+ memcpy (buf, b, l);
+ buf += l;
+ buf_size -= l;
+ *buf_consumed += l;
+ *buf = '\0';
+ } else
+ return i - start;
+
+ }
+
+ return end - start;
+}
+
+static unsigned int
_hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer,
- unsigned int start,
- unsigned int end,
- char *buf,
- unsigned int buf_size,
- unsigned int *buf_consumed,
- hb_font_t *font,
- hb_buffer_serialize_flags_t flags)
+ unsigned int start,
+ unsigned int end,
+ char *buf,
+ unsigned int buf_size,
+ unsigned int *buf_consumed,
+ hb_font_t *font,
+ hb_buffer_serialize_flags_t flags)
{
hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, nullptr);
hb_glyph_position_t *pos = (flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS) ?
- nullptr : hb_buffer_get_glyph_positions (buffer, nullptr);
+ nullptr : hb_buffer_get_glyph_positions (buffer, nullptr);
*buf_consumed = 0;
hb_position_t x = 0, y = 0;
if (i)
*p++ = '|';
+ else
+ *p++ = '[';
if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES))
{
+ /* TODO Escape delimiters we use. */
hb_font_glyph_to_string (font, info[i].codepoint, p, 128);
p += strlen (p);
}
if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS))
{
if (x+pos[i].x_offset || y+pos[i].y_offset)
- p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "@%d,%d", x+pos[i].x_offset, y+pos[i].y_offset));
+ p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "@%d,%d", x+pos[i].x_offset, y+pos[i].y_offset));
if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES))
{
- *p++ = '+';
- p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "%d", pos[i].x_advance));
- if (pos[i].y_advance)
- p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",%d", pos[i].y_advance));
+ *p++ = '+';
+ p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "%d", pos[i].x_advance));
+ if (pos[i].y_advance)
+ p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",%d", pos[i].y_advance));
}
}
if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS)
{
if (info[i].mask & HB_GLYPH_FLAG_DEFINED)
- p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "#%X", info[i].mask &HB_GLYPH_FLAG_DEFINED));
+ p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "#%X", info[i].mask &HB_GLYPH_FLAG_DEFINED));
}
if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS)
p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "<%d,%d,%d,%d>", extents.x_bearing, extents.y_bearing, extents.width, extents.height));
}
+ if (i == end-1) {
+ *p++ = ']';
+ }
+
unsigned int l = p - b;
if (buf_size > l)
{
return end - start;
}
+
+static unsigned int
+_hb_buffer_serialize_unicode_text (hb_buffer_t *buffer,
+ unsigned int start,
+ unsigned int end,
+ char *buf,
+ unsigned int buf_size,
+ unsigned int *buf_consumed,
+ hb_buffer_serialize_flags_t flags)
+{
+ hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, nullptr);
+ *buf_consumed = 0;
+ for (unsigned int i = start; i < end; i++)
+ {
+ char b[1024];
+ char *p = b;
+
+ if (i)
+ *p++ = '|';
+ else
+ *p++ = '<';
+
+ p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "U+%04X", info[i].codepoint));
+
+ if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS)) {
+ p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "=%u", info[i].cluster));
+ }
+
+ if (i == end-1)
+ *p++ = '>';
+
+ unsigned int l = p - b;
+ if (buf_size > l)
+ {
+ memcpy (buf, b, l);
+ buf += l;
+ buf_size -= l;
+ *buf_consumed += l;
+ *buf = '\0';
+ } else
+ return i - start;
+ }
+ return end - start;
+}
+
/**
* hb_buffer_serialize_glyphs:
* @buffer: an #hb_buffer_t buffer.
* @buf: (out) (array length=buf_size) (element-type uint8_t): output string to
* write serialized buffer into.
* @buf_size: the size of @buf.
- * @buf_consumed: (out) (allow-none): if not %NULL, will be set to the number of byes written into @buf.
- * @font: (allow-none): the #hb_font_t used to shape this buffer, needed to
+ * @buf_consumed: (out) (optional): if not %NULL, will be set to the number of byes written into @buf.
+ * @font: (nullable): the #hb_font_t used to shape this buffer, needed to
* read glyph names and extents. If %NULL, and empty font will be used.
* @format: the #hb_buffer_serialize_format_t to use for formatting the output.
* @flags: the #hb_buffer_serialize_flags_t that control what glyph properties
* ```
* [uni0651=0@518,0+0|uni0628=0+1897]
* ```
+ *
* - The serialized glyphs are delimited with `[` and `]`.
* - Glyphs are separated with `|`
* - Each glyph starts with glyph name, or glyph index if
* - If #HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS is not set, the #hb_glyph_position_t in the format:
* - If both #hb_glyph_position_t.x_offset and #hb_glyph_position_t.y_offset are not 0, `@x_offset,y_offset`. Then,
* - `+x_advance`, then `,y_advance` if #hb_glyph_position_t.y_advance is not 0. Then,
- * - If #HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS is set, the
- * #hb_glyph_extents_t in the format
- * `<x_bearing,y_bearing,width,height>`
+ * - If #HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS is set, the #hb_glyph_extents_t in the format `<x_bearing,y_bearing,width,height>`
*
* ## json
- * TODO.
+ * A machine-readable, structured format.
+ * The serialized glyphs will look something like:
+ *
+ * ```
+ * [{"g":"uni0651","cl":0,"dx":518,"dy":0,"ax":0,"ay":0},
+ * {"g":"uni0628","cl":0,"dx":0,"dy":0,"ax":1897,"ay":0}]
+ * ```
+ *
+ * Each glyph is a JSON object, with the following properties:
+ * - `g`: the glyph name or glyph index if
+ * #HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES flag is set.
+ * - `cl`: #hb_glyph_info_t.cluster if
+ * #HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS is not set.
+ * - `dx`,`dy`,`ax`,`ay`: #hb_glyph_position_t.x_offset, #hb_glyph_position_t.y_offset,
+ * #hb_glyph_position_t.x_advance and #hb_glyph_position_t.y_advance
+ * respectively, if #HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS is not set.
+ * - `xb`,`yb`,`w`,`h`: #hb_glyph_extents_t.x_bearing, #hb_glyph_extents_t.y_bearing,
+ * #hb_glyph_extents_t.width and #hb_glyph_extents_t.height respectively if
+ * #HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS is set.
*
* Return value:
* The number of serialized items.
**/
unsigned int
hb_buffer_serialize_glyphs (hb_buffer_t *buffer,
- unsigned int start,
- unsigned int end,
- char *buf,
- unsigned int buf_size,
- unsigned int *buf_consumed,
- hb_font_t *font,
- hb_buffer_serialize_format_t format,
- hb_buffer_serialize_flags_t flags)
+ unsigned int start,
+ unsigned int end,
+ char *buf,
+ unsigned int buf_size,
+ unsigned int *buf_consumed,
+ hb_font_t *font,
+ hb_buffer_serialize_format_t format,
+ hb_buffer_serialize_flags_t flags)
{
- assert (start <= end && end <= buffer->len);
+ end = hb_clamp (end, start, buffer->len);
+ start = hb_min (start, end);
unsigned int sconsumed;
if (!buf_consumed)
if (buf_size)
*buf = '\0';
- assert ((!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID) ||
- buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS);
+ buffer->assert_glyphs ();
if (!buffer->have_positions)
flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS;
{
case HB_BUFFER_SERIALIZE_FORMAT_TEXT:
return _hb_buffer_serialize_glyphs_text (buffer, start, end,
- buf, buf_size, buf_consumed,
- font, flags);
+ buf, buf_size, buf_consumed,
+ font, flags);
case HB_BUFFER_SERIALIZE_FORMAT_JSON:
return _hb_buffer_serialize_glyphs_json (buffer, start, end,
- buf, buf_size, buf_consumed,
- font, flags);
+ buf, buf_size, buf_consumed,
+ font, flags);
+
+ default:
+ case HB_BUFFER_SERIALIZE_FORMAT_INVALID:
+ return 0;
+
+ }
+}
+
+/**
+ * hb_buffer_serialize_unicode:
+ * @buffer: an #hb_buffer_t buffer.
+ * @start: the first item in @buffer to serialize.
+ * @end: the last item in @buffer to serialize.
+ * @buf: (out) (array length=buf_size) (element-type uint8_t): output string to
+ * write serialized buffer into.
+ * @buf_size: the size of @buf.
+ * @buf_consumed: (out) (optional): if not %NULL, will be set to the number of byes written into @buf.
+ * @format: the #hb_buffer_serialize_format_t to use for formatting the output.
+ * @flags: the #hb_buffer_serialize_flags_t that control what glyph properties
+ * to serialize.
+ *
+ * Serializes @buffer into a textual representation of its content,
+ * when the buffer contains Unicode codepoints (i.e., before shaping). This is
+ * useful for showing the contents of the buffer, for example during debugging.
+ * There are currently two supported serialization formats:
+ *
+ * ## text
+ * A human-readable, plain text format.
+ * The serialized codepoints will look something like:
+ *
+ * ```
+ * <U+0651=0|U+0628=1>
+ * ```
+ *
+ * - Glyphs are separated with `|`
+ * - Unicode codepoints are expressed as zero-padded four (or more)
+ * digit hexadecimal numbers preceded by `U+`
+ * - If #HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS is not set, the cluster
+ * will be indicated with a `=` then #hb_glyph_info_t.cluster.
+ *
+ * ## json
+ * A machine-readable, structured format.
+ * The serialized codepoints will be a list of objects with the following
+ * properties:
+ * - `u`: the Unicode codepoint as a decimal integer
+ * - `cl`: #hb_glyph_info_t.cluster if
+ * #HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS is not set.
+ *
+ * For example:
+ *
+ * ```
+ * [{u:1617,cl:0},{u:1576,cl:1}]
+ * ```
+ *
+ * Return value:
+ * The number of serialized items.
+ *
+ * Since: 2.7.3
+ **/
+unsigned int
+hb_buffer_serialize_unicode (hb_buffer_t *buffer,
+ unsigned int start,
+ unsigned int end,
+ char *buf,
+ unsigned int buf_size,
+ unsigned int *buf_consumed,
+ hb_buffer_serialize_format_t format,
+ hb_buffer_serialize_flags_t flags)
+{
+ end = hb_clamp (end, start, buffer->len);
+ start = hb_min (start, end);
+
+ unsigned int sconsumed;
+ if (!buf_consumed)
+ buf_consumed = &sconsumed;
+ *buf_consumed = 0;
+ if (buf_size)
+ *buf = '\0';
+
+ buffer->assert_unicode ();
+
+ if (unlikely (start == end))
+ return 0;
+
+ switch (format)
+ {
+ case HB_BUFFER_SERIALIZE_FORMAT_TEXT:
+ return _hb_buffer_serialize_unicode_text (buffer, start, end,
+ buf, buf_size, buf_consumed, flags);
+
+ case HB_BUFFER_SERIALIZE_FORMAT_JSON:
+ return _hb_buffer_serialize_unicode_json (buffer, start, end,
+ buf, buf_size, buf_consumed, flags);
default:
case HB_BUFFER_SERIALIZE_FORMAT_INVALID:
}
}
+static unsigned int
+_hb_buffer_serialize_invalid (hb_buffer_t *buffer,
+ unsigned int start,
+ unsigned int end,
+ char *buf,
+ unsigned int buf_size,
+ unsigned int *buf_consumed,
+ hb_buffer_serialize_format_t format,
+ hb_buffer_serialize_flags_t flags)
+{
+ assert (!buffer->len);
+
+ unsigned int sconsumed;
+ if (!buf_consumed)
+ buf_consumed = &sconsumed;
+ if (buf_size < 3)
+ return 0;
+ if (format == HB_BUFFER_SERIALIZE_FORMAT_JSON) {
+ *buf++ = '[';
+ *buf++ = ']';
+ *buf = '\0';
+ } else if (format == HB_BUFFER_SERIALIZE_FORMAT_TEXT) {
+ *buf++ = '!';
+ *buf++ = '!';
+ *buf = '\0';
+ }
+ *buf_consumed = 2;
+ return 0;
+}
+
+/**
+ * hb_buffer_serialize:
+ * @buffer: an #hb_buffer_t buffer.
+ * @start: the first item in @buffer to serialize.
+ * @end: the last item in @buffer to serialize.
+ * @buf: (out) (array length=buf_size) (element-type uint8_t): output string to
+ * write serialized buffer into.
+ * @buf_size: the size of @buf.
+ * @buf_consumed: (out) (optional): if not %NULL, will be set to the number of byes written into @buf.
+ * @font: (nullable): the #hb_font_t used to shape this buffer, needed to
+ * read glyph names and extents. If %NULL, and empty font will be used.
+ * @format: the #hb_buffer_serialize_format_t to use for formatting the output.
+ * @flags: the #hb_buffer_serialize_flags_t that control what glyph properties
+ * to serialize.
+ *
+ * Serializes @buffer into a textual representation of its content, whether
+ * Unicode codepoints or glyph identifiers and positioning information. This is
+ * useful for showing the contents of the buffer, for example during debugging.
+ * See the documentation of hb_buffer_serialize_unicode() and
+ * hb_buffer_serialize_glyphs() for a description of the output format.
+ *
+ * Return value:
+ * The number of serialized items.
+ *
+ * Since: 2.7.3
+ **/
+unsigned int
+hb_buffer_serialize (hb_buffer_t *buffer,
+ unsigned int start,
+ unsigned int end,
+ char *buf,
+ unsigned int buf_size,
+ unsigned int *buf_consumed,
+ hb_font_t *font,
+ hb_buffer_serialize_format_t format,
+ hb_buffer_serialize_flags_t flags)
+{
+ switch (buffer->content_type)
+ {
+
+ case HB_BUFFER_CONTENT_TYPE_GLYPHS:
+ return hb_buffer_serialize_glyphs (buffer, start, end, buf, buf_size,
+ buf_consumed, font, format, flags);
+
+ case HB_BUFFER_CONTENT_TYPE_UNICODE:
+ return hb_buffer_serialize_unicode (buffer, start, end, buf, buf_size,
+ buf_consumed, format, flags);
+
+ case HB_BUFFER_CONTENT_TYPE_INVALID:
+ default:
+ return _hb_buffer_serialize_invalid (buffer, start, end, buf, buf_size,
+ buf_consumed, format, flags);
+ }
+}
+
static bool
parse_int (const char *pp, const char *end, int32_t *pv)
{
return true;
}
+static bool
+parse_hex (const char *pp, const char *end, uint32_t *pv)
+{
+ unsigned int v;
+ const char *p = pp;
+ if (unlikely (!hb_parse_uint (&p, end, &v, true/* whole buffer */, 16)))
+ return false;
+
+ *pv = v;
+ return true;
+}
+
#include "hb-buffer-deserialize-json.hh"
#include "hb-buffer-deserialize-text.hh"
/**
* hb_buffer_deserialize_glyphs:
* @buffer: an #hb_buffer_t buffer.
- * @buf: (array length=buf_len):
- * @buf_len:
- * @end_ptr: (out):
- * @font:
- * @format:
+ * @buf: (array length=buf_len): string to deserialize
+ * @buf_len: the size of @buf, or -1 if it is %NULL-terminated
+ * @end_ptr: (out) (optional): output pointer to the character after last
+ * consumed one.
+ * @font: (nullable): font for getting glyph IDs
+ * @format: the #hb_buffer_serialize_format_t of the input @buf
*
+ * Deserializes glyphs @buffer from textual representation in the format
+ * produced by hb_buffer_serialize_glyphs().
*
- *
- * Return value:
+ * Return value: %true if @buf is not fully consumed, %false otherwise.
*
* Since: 0.9.7
**/
hb_bool_t
hb_buffer_deserialize_glyphs (hb_buffer_t *buffer,
- const char *buf,
- int buf_len, /* -1 means nul-terminated */
- const char **end_ptr, /* May be NULL */
- hb_font_t *font, /* May be NULL */
- hb_buffer_serialize_format_t format)
+ const char *buf,
+ int buf_len, /* -1 means nul-terminated */
+ const char **end_ptr, /* May be NULL */
+ hb_font_t *font, /* May be NULL */
+ hb_buffer_serialize_format_t format)
{
const char *end;
if (!end_ptr)
end_ptr = &end;
*end_ptr = buf;
- assert ((!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID) ||
- buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS);
+ buffer->assert_glyphs ();
+
+ if (unlikely (hb_object_is_immutable (buffer)))
+ {
+ if (end_ptr)
+ *end_ptr = buf;
+ return false;
+ }
if (buf_len == -1)
buf_len = strlen (buf);
switch (format)
{
case HB_BUFFER_SERIALIZE_FORMAT_TEXT:
- return _hb_buffer_deserialize_glyphs_text (buffer,
- buf, buf_len, end_ptr,
- font);
+ return _hb_buffer_deserialize_text (buffer,
+ buf, buf_len, end_ptr,
+ font);
+
+ case HB_BUFFER_SERIALIZE_FORMAT_JSON:
+ return _hb_buffer_deserialize_json (buffer,
+ buf, buf_len, end_ptr,
+ font);
+
+ default:
+ case HB_BUFFER_SERIALIZE_FORMAT_INVALID:
+ return false;
+
+ }
+}
+
+
+/**
+ * hb_buffer_deserialize_unicode:
+ * @buffer: an #hb_buffer_t buffer.
+ * @buf: (array length=buf_len): string to deserialize
+ * @buf_len: the size of @buf, or -1 if it is %NULL-terminated
+ * @end_ptr: (out) (optional): output pointer to the character after last
+ * consumed one.
+ * @format: the #hb_buffer_serialize_format_t of the input @buf
+ *
+ * Deserializes Unicode @buffer from textual representation in the format
+ * produced by hb_buffer_serialize_unicode().
+ *
+ * Return value: %true if @buf is not fully consumed, %false otherwise.
+ *
+ * Since: 2.7.3
+ **/
+hb_bool_t
+hb_buffer_deserialize_unicode (hb_buffer_t *buffer,
+ const char *buf,
+ int buf_len, /* -1 means nul-terminated */
+ const char **end_ptr, /* May be NULL */
+ hb_buffer_serialize_format_t format)
+{
+ const char *end;
+ if (!end_ptr)
+ end_ptr = &end;
+ *end_ptr = buf;
+
+ buffer->assert_unicode ();
+
+ if (unlikely (hb_object_is_immutable (buffer)))
+ {
+ if (end_ptr)
+ *end_ptr = buf;
+ return false;
+ }
+
+ if (buf_len == -1)
+ buf_len = strlen (buf);
+
+ if (!buf_len)
+ {
+ *end_ptr = buf;
+ return false;
+ }
+
+ hb_buffer_set_content_type (buffer, HB_BUFFER_CONTENT_TYPE_UNICODE);
+
+ hb_font_t* font = hb_font_get_empty ();
+
+ switch (format)
+ {
+ case HB_BUFFER_SERIALIZE_FORMAT_TEXT:
+ return _hb_buffer_deserialize_text (buffer,
+ buf, buf_len, end_ptr,
+ font);
case HB_BUFFER_SERIALIZE_FORMAT_JSON:
- return _hb_buffer_deserialize_glyphs_json (buffer,
- buf, buf_len, end_ptr,
- font);
+ return _hb_buffer_deserialize_json (buffer,
+ buf, buf_len, end_ptr,
+ font);
default:
case HB_BUFFER_SERIALIZE_FORMAT_INVALID:
projects / platform / upstream / harfbuzz.git / blobdiff