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-rw-r--r--Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer-serialize.cc863
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diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer-serialize.cc b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer-serialize.cc
deleted file mode 100644
index f65bad45bb1..00000000000
--- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-buffer-serialize.cc
+++ /dev/null
@@ -1,863 +0,0 @@
-/*
- * Copyright © 2012,2013 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
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Google Author(s): Behdad Esfahbod
- */
-
-#include "hb.hh"
-
-#ifndef HB_NO_BUFFER_SERIALIZE
-
-#include "hb-buffer.hh"
-
-
-static const char *serialize_formats[] = {
- "text",
- "json",
- nullptr
-};
-
-/**
- * hb_buffer_serialize_list_formats:
- *
- * Returns a list of supported buffer serialization formats.
- *
- * Return value: (transfer none):
- * A string array of buffer serialization formats. Should not be freed.
- *
- * Since: 0.9.7
- **/
-const char **
-hb_buffer_serialize_list_formats ()
-{
- return serialize_formats;
-}
-
-/**
- * hb_buffer_serialize_format_from_string:
- * @str: (array length=len) (element-type uint8_t): a string to parse
- * @len: length of @str, or -1 if string is %NULL terminated
- *
- * Parses a string into an #hb_buffer_serialize_format_t. Does not check if
- * @str is a valid buffer serialization format, use
- * hb_buffer_serialize_list_formats() to get the list of supported formats.
- *
- * Return value:
- * The parsed #hb_buffer_serialize_format_t.
- *
- * Since: 0.9.7
- **/
-hb_buffer_serialize_format_t
-hb_buffer_serialize_format_from_string (const char *str, int len)
-{
- /* Upper-case it. */
- return (hb_buffer_serialize_format_t) (hb_tag_from_string (str, len) & ~0x20202020u);
-}
-
-/**
- * hb_buffer_serialize_format_to_string:
- * @format: an #hb_buffer_serialize_format_t to convert.
- *
- * Converts @format to the string corresponding it, or %NULL if it is not a valid
- * #hb_buffer_serialize_format_t.
- *
- * Return value: (transfer none):
- * A %NULL terminated string corresponding to @format. Should not be freed.
- *
- * Since: 0.9.7
- **/
-const char *
-hb_buffer_serialize_format_to_string (hb_buffer_serialize_format_t format)
-{
- switch ((unsigned) format)
- {
- 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;
- }
-}
-
-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)
-{
- 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);
-
- *buf_consumed = 0;
- hb_position_t x = 0, y = 0;
- for (unsigned int i = start; i < end; i++)
- {
- char b[1024];
- char *p = b;
-
- /* In the following code, we know b is large enough that no overflow can happen. */
-
-#define APPEND(s) HB_STMT_START { strcpy (p, s); p += strlen (s); } HB_STMT_END
-
- if (i)
- *p++ = ',';
- else
- *p++ = '[';
-
- *p++ = '{';
-
- APPEND ("\"g\":");
- if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES))
- {
- char g[128];
- hb_font_glyph_to_string (font, info[i].codepoint, g, sizeof (g));
- *p++ = '"';
- for (char *q = g; *q; q++)
- {
- if (unlikely (*q == '"' || *q == '\\'))
- *p++ = '\\';
- *p++ = *q;
- }
- *p++ = '"';
- }
- else
- 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));
- }
-
- 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));
- 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));
- }
-
- 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));
- }
-
- 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));
- p += hb_max (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"w\":%d,\"h\":%d",
- extents.width, extents.height));
- }
-
- *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;
-
- if (pos && (flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES))
- {
- x += pos[i].x_advance;
- y += pos[i].y_advance;
- }
- }
-
- return end - start;
-}
-
-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)
-{
- 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);
-
- *buf_consumed = 0;
- hb_position_t x = 0, y = 0;
- for (unsigned int i = start; i < end; i++)
- {
- char b[1024];
- char *p = b;
-
- /* In the following code, we know b is large enough that no overflow can happen. */
-
- 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);
- }
- else
- 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), "=%u", info[i].cluster));
- }
-
- 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));
-
- 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));
- }
- }
-
- 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));
- }
-
- 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), "<%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)
- {
- memcpy (buf, b, l);
- buf += l;
- buf_size -= l;
- *buf_consumed += l;
- *buf = '\0';
- } else
- return i - start;
-
- if (pos && (flags & HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES))
- {
- x += pos[i].x_advance;
- y += pos[i].y_advance;
- }
- }
-
- 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.
- * @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) (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
- * 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 glyph content,
- * 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 glyphs will look something like:
- *
- * ```
- * [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
- * #HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES flag is set. Then,
- * - If #HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS is not set, `=` then #hb_glyph_info_t.cluster.
- * - 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>`
- *
- * ## json
- * 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.
- *
- * Since: 0.9.7
- **/
-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)
-{
- 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_glyphs ();
-
- if (!buffer->have_positions)
- flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS;
-
- if (unlikely (start == end))
- return 0;
-
- if (!font)
- font = hb_font_get_empty ();
-
- switch (format)
- {
- case HB_BUFFER_SERIALIZE_FORMAT_TEXT:
- return _hb_buffer_serialize_glyphs_text (buffer, start, end,
- 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);
-
- 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) (allow-none): 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.
- *
- * 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:
- return 0;
-
- }
-}
-
-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) (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
- * 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)
-{
- int v;
- const char *p = pp;
- if (unlikely (!hb_parse_int (&p, end, &v, true/* whole buffer */)))
- return false;
-
- *pv = v;
- return true;
-}
-
-static bool
-parse_uint (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 */)))
- return false;
-
- *pv = v;
- 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:
- *
- *
- *
- * Return value:
- *
- * 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 *end;
- if (!end_ptr)
- end_ptr = &end;
- *end_ptr = buf;
-
- 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);
-
- if (!buf_len)
- {
- *end_ptr = buf;
- return false;
- }
-
- hb_buffer_set_content_type (buffer, HB_BUFFER_CONTENT_TYPE_GLYPHS);
-
- if (!font)
- 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_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):
- * @buf_len:
- * @end_ptr: (out):
- * @format:
- *
- *
- *
- * Return value:
- *
- * 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_json (buffer,
- buf, buf_len, end_ptr,
- font);
-
- default:
- case HB_BUFFER_SERIALIZE_FORMAT_INVALID:
- return false;
-
- }
-}
-
-
-#endif