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harfbuzz/util/hb-subset.cc

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/*
* Copyright © 2010 Behdad Esfahbod
* 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
* 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): Garret Rieger, Rod Sheeter
*/
#include "batch.hh"
#include "face-options.hh"
#include "main-font-text.hh"
#include "output-options.hh"
#include <hb-subset.h>
/*
* Command line interface to the harfbuzz font subsetter.
*/
struct subset_main_t : option_parser_t, face_options_t, output_options_t<false>
{
subset_main_t ()
: input (hb_subset_input_create_or_fail ())
{}
~subset_main_t ()
{
hb_subset_input_destroy (input);
}
void parse_face (int argc, const char * const *argv)
{
option_parser_t parser;
face_options_t face_opts;
face_opts.add_options (&parser);
GOptionEntry entries[] =
{
{G_OPTION_REMAINING, 0, G_OPTION_FLAG_IN_MAIN,
G_OPTION_ARG_CALLBACK, (gpointer) &collect_face, nullptr, "[FONT-FILE] [TEXT]"},
{nullptr}
};
parser.add_main_group (entries, &face_opts);
parser.add_options ();
g_option_context_set_ignore_unknown_options (parser.context, true);
g_option_context_set_help_enabled (parser.context, false);
char **args = (char **)
#if GLIB_CHECK_VERSION (2, 68, 0)
g_memdup2
#else
g_memdup
#endif
(argv, argc * sizeof (*argv));
parser.parse (&argc, &args);
g_free (args);
set_face (face_opts.face);
}
void parse (int argc, char **argv)
{
bool help = false;
for (auto i = 1; i < argc; i++)
if (!strncmp ("--help", argv[i], 6))
{
help = true;
break;
}
if (likely (!help))
{
/* Do a preliminary parse to load font-face, such that we can use it
* during main option parsing. */
parse_face (argc, argv);
}
add_options ();
option_parser_t::parse (&argc, &argv);
}
int operator () (int argc, char **argv)
{
parse (argc, argv);
hb_face_t *new_face = nullptr;
for (unsigned i = 0; i < num_iterations; i++)
{
hb_face_destroy (new_face);
new_face = hb_subset_or_fail (face, input);
}
bool success = new_face;
if (success)
{
hb_blob_t *result = hb_face_reference_blob (new_face);
write_file (output_file, result);
hb_blob_destroy (result);
}
hb_face_destroy (new_face);
return success ? 0 : 1;
}
bool
write_file (const char *output_file, hb_blob_t *blob)
{
assert (out_fp);
unsigned int size;
const char* data = hb_blob_get_data (blob, &size);
while (size)
{
size_t ret = fwrite (data, 1, size, out_fp);
size -= ret;
data += ret;
if (size && ferror (out_fp))
fail (false, "Failed to write output: %s", strerror (errno));
}
return true;
}
void add_options ();
protected:
static gboolean
collect_face (const char *name,
const char *arg,
gpointer data,
GError **error);
static gboolean
collect_rest (const char *name,
const char *arg,
gpointer data,
GError **error);
public:
unsigned num_iterations = 1;
hb_subset_input_t *input = nullptr;
};
static gboolean
parse_gids (const char *name G_GNUC_UNUSED,
const char *arg,
gpointer data,
GError **error)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_bool_t is_remove = (name[strlen (name) - 1] == '-');
hb_bool_t is_add = (name[strlen (name) - 1] == '+');
hb_set_t *gids = hb_subset_input_glyph_set (subset_main->input);
if (!is_remove && !is_add) hb_set_clear (gids);
if (0 == strcmp (arg, "*"))
{
hb_set_clear (gids);
if (!is_remove)
hb_set_invert (gids);
return true;
}
char *s = (char *) arg;
char *p;
while (s && *s)
{
while (*s && strchr (", ", *s))
s++;
if (!*s)
break;
errno = 0;
hb_codepoint_t start_code = strtoul (s, &p, 10);
if (s[0] == '-' || errno || s == p)
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing glyph-index at: '%s'", s);
return false;
}
if (p && p[0] == '-') // ranges
{
s = ++p;
hb_codepoint_t end_code = strtoul (s, &p, 10);
if (s[0] == '-' || errno || s == p)
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing glyph-index at: '%s'", s);
return false;
}
if (end_code < start_code)
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Invalid glyph-index range %u-%u", start_code, end_code);
return false;
}
if (!is_remove)
hb_set_add_range (gids, start_code, end_code);
else
hb_set_del_range (gids, start_code, end_code);
}
else
{
if (!is_remove)
hb_set_add (gids, start_code);
else
hb_set_del (gids, start_code);
}
s = p;
}
return true;
}
static gboolean
parse_glyphs (const char *name G_GNUC_UNUSED,
const char *arg,
gpointer data,
GError **error G_GNUC_UNUSED)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_bool_t is_remove = (name[strlen (name) - 1] == '-');
hb_bool_t is_add = (name[strlen (name) - 1] == '+');
hb_set_t *gids = hb_subset_input_glyph_set (subset_main->input);
if (!is_remove && !is_add) hb_set_clear (gids);
if (0 == strcmp (arg, "*"))
{
hb_set_clear (gids);
if (!is_remove)
hb_set_invert (gids);
return true;
}
const char *p = arg;
const char *p_end = arg + strlen (arg);
hb_font_t *font = hb_font_create (subset_main->face);
while (p < p_end)
{
while (p < p_end && (*p == ' ' || *p == ','))
p++;
const char *end = p;
while (end < p_end && *end != ' ' && *end != ',')
end++;
if (p < end)
{
hb_codepoint_t gid;
if (!hb_font_get_glyph_from_name (font, p, end - p, &gid))
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing glyph name: '%s'", p);
return false;
}
if (!is_remove)
hb_set_add (gids, gid);
else
hb_set_del (gids, gid);
}
p = end + 1;
}
hb_font_destroy (font);
return true;
}
static gboolean
parse_text (const char *name G_GNUC_UNUSED,
const char *arg,
gpointer data,
GError **error G_GNUC_UNUSED)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_bool_t is_remove = (name[strlen (name) - 1] == '-');
hb_bool_t is_add = (name[strlen (name) - 1] == '+');
hb_set_t *unicodes = hb_subset_input_unicode_set (subset_main->input);
if (!is_remove && !is_add) hb_set_clear (unicodes);
if (0 == strcmp (arg, "*"))
{
hb_set_clear (unicodes);
if (!is_remove)
hb_set_invert (unicodes);
return true;
}
for (gchar *c = (gchar *) arg;
*c;
c = g_utf8_find_next_char(c, nullptr))
{
gunichar cp = g_utf8_get_char(c);
if (!is_remove)
hb_set_add (unicodes, cp);
else
hb_set_del (unicodes, cp);
}
return true;
}
static gboolean
parse_unicodes (const char *name G_GNUC_UNUSED,
const char *arg,
gpointer data,
GError **error)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_bool_t is_remove = (name[strlen (name) - 1] == '-');
hb_bool_t is_add = (name[strlen (name) - 1] == '+');
hb_set_t *unicodes = hb_subset_input_unicode_set (subset_main->input);
if (!is_remove && !is_add) hb_set_clear (unicodes);
if (0 == strcmp (arg, "*"))
{
hb_set_clear (unicodes);
if (!is_remove)
hb_set_invert (unicodes);
return true;
}
// XXX TODO Ranges
#define DELIMITERS "<+->{},;&#\\xXuUnNiI\n\t\v\f\r "
char *s = (char *) arg;
char *p;
while (s && *s)
{
while (*s && strchr (DELIMITERS, *s))
s++;
if (!*s)
break;
errno = 0;
hb_codepoint_t start_code = strtoul (s, &p, 16);
if (errno || s == p)
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing Unicode at: '%s'", s);
return false;
}
if (p && p[0] == '-') // ranges
{
s = ++p;
hb_codepoint_t end_code = strtoul (s, &p, 16);
if (s[0] == '-' || errno || s == p)
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing Unicode at: '%s'", s);
return false;
}
if (end_code < start_code)
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Invalid Unicode range %u-%u", start_code, end_code);
return false;
}
if (!is_remove)
hb_set_add_range (unicodes, start_code, end_code);
else
hb_set_del_range (unicodes, start_code, end_code);
}
else
{
if (!is_remove)
hb_set_add (unicodes, start_code);
else
hb_set_del (unicodes, start_code);
}
s = p;
}
return true;
}
static gboolean
parse_nameids (const char *name,
const char *arg,
gpointer data,
GError **error)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_bool_t is_remove = (name[strlen (name) - 1] == '-');
hb_bool_t is_add = (name[strlen (name) - 1] == '+');
hb_set_t *name_ids = hb_subset_input_set (subset_main->input, HB_SUBSET_SETS_NAME_ID);
if (!is_remove && !is_add) hb_set_clear (name_ids);
if (0 == strcmp (arg, "*"))
{
hb_set_clear (name_ids);
if (!is_remove)
hb_set_invert (name_ids);
return true;
}
char *s = (char *) arg;
char *p;
while (s && *s)
{
while (*s && strchr (", ", *s))
s++;
if (!*s)
break;
errno = 0;
hb_codepoint_t u = strtoul (s, &p, 10);
if (errno || s == p)
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing nameID at: '%s'", s);
return false;
}
if (!is_remove)
{
hb_set_add (name_ids, u);
} else {
hb_set_del (name_ids, u);
}
s = p;
}
return true;
}
static gboolean
parse_name_languages (const char *name,
const char *arg,
gpointer data,
GError **error)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_bool_t is_remove = (name[strlen (name) - 1] == '-');
hb_bool_t is_add = (name[strlen (name) - 1] == '+');
hb_set_t *name_languages = hb_subset_input_set (subset_main->input, HB_SUBSET_SETS_NAME_LANG_ID);
if (!is_remove && !is_add) hb_set_clear (name_languages);
if (0 == strcmp (arg, "*"))
{
hb_set_clear (name_languages);
if (!is_remove)
hb_set_invert (name_languages);
return true;
}
char *s = (char *) arg;
char *p;
while (s && *s)
{
while (*s && strchr (", ", *s))
s++;
if (!*s)
break;
errno = 0;
hb_codepoint_t u = strtoul (s, &p, 10);
if (errno || s == p)
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing name-language code at: '%s'", s);
return false;
}
if (!is_remove)
{
hb_set_add (name_languages, u);
} else {
hb_set_del (name_languages, u);
}
s = p;
}
return true;
}
template <hb_subset_flags_t flag>
static gboolean
set_flag (const char *name,
const char *arg,
gpointer data,
GError **error G_GNUC_UNUSED)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_subset_input_set_flags (subset_main->input,
hb_subset_input_get_flags (subset_main->input) | flag);
return true;
}
static gboolean
parse_layout_tag_list (hb_subset_sets_t set_type,
const char *name,
const char *arg,
gpointer data,
GError **error G_GNUC_UNUSED)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_bool_t is_remove = (name[strlen (name) - 1] == '-');
hb_bool_t is_add = (name[strlen (name) - 1] == '+');
hb_set_t *layout_tags = hb_subset_input_set (subset_main->input, set_type);
if (!is_remove && !is_add) hb_set_clear (layout_tags);
if (0 == strcmp (arg, "*"))
{
hb_set_clear (layout_tags);
if (!is_remove)
hb_set_invert (layout_tags);
return true;
}
char *s = strtok((char *) arg, ", ");
while (s)
{
if (strlen (s) > 4) // tags are at most 4 bytes
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing table tag at: '%s'", s);
return false;
}
hb_tag_t tag = hb_tag_from_string (s, strlen (s));
if (!is_remove)
hb_set_add (layout_tags, tag);
else
hb_set_del (layout_tags, tag);
s = strtok(nullptr, ", ");
}
return true;
}
static gboolean
parse_layout_features (const char *name,
const char *arg,
gpointer data,
GError **error)
{
return parse_layout_tag_list (HB_SUBSET_SETS_LAYOUT_FEATURE_TAG,
name,
arg,
data,
error);
}
static gboolean
parse_layout_scripts (const char *name,
const char *arg,
gpointer data,
GError **error)
{
return parse_layout_tag_list (HB_SUBSET_SETS_LAYOUT_SCRIPT_TAG,
name,
arg,
data,
error);
}
static gboolean
parse_drop_tables (const char *name,
const char *arg,
gpointer data,
GError **error)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_bool_t is_remove = (name[strlen (name) - 1] == '-');
hb_bool_t is_add = (name[strlen (name) - 1] == '+');
hb_set_t *drop_tables = hb_subset_input_set (subset_main->input, HB_SUBSET_SETS_DROP_TABLE_TAG);
if (!is_remove && !is_add) hb_set_clear (drop_tables);
if (0 == strcmp (arg, "*"))
{
hb_set_clear (drop_tables);
if (!is_remove)
hb_set_invert (drop_tables);
return true;
}
char *s = strtok((char *) arg, ", ");
while (s)
{
if (strlen (s) > 4) // Table tags are at most 4 bytes.
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing table tag at: '%s'", s);
return false;
}
hb_tag_t tag = hb_tag_from_string (s, strlen (s));
if (!is_remove)
hb_set_add (drop_tables, tag);
else
hb_set_del (drop_tables, tag);
s = strtok(nullptr, ", ");
}
return true;
}
template <GOptionArgFunc line_parser, bool allow_comments=true>
static gboolean
parse_file_for (const char *name,
const char *arg,
gpointer data,
GError **error)
{
FILE *fp = nullptr;
if (0 != strcmp (arg, "-"))
fp = fopen (arg, "r");
else
fp = stdin;
if (!fp)
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
"Failed opening file `%s': %s",
arg, strerror (errno));
return false;
}
GString *gs = g_string_new (nullptr);
do
{
g_string_set_size (gs, 0);
char buf[BUFSIZ];
while (fgets (buf, sizeof (buf), fp))
{
unsigned bytes = strlen (buf);
if (bytes && buf[bytes - 1] == '\n')
{
bytes--;
g_string_append_len (gs, buf, bytes);
break;
}
g_string_append_len (gs, buf, bytes);
}
if (ferror (fp))
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
"Failed reading file `%s': %s",
arg, strerror (errno));
return false;
}
g_string_append_c (gs, '\0');
if (allow_comments)
{
char *comment = strchr (gs->str, '#');
if (comment)
*comment = '\0';
}
line_parser ("+", gs->str, data, error);
if (*error)
break;
}
while (!feof (fp));
g_string_free (gs, false);
return true;
}
gboolean
subset_main_t::collect_face (const char *name,
const char *arg,
gpointer data,
GError **error)
{
face_options_t *thiz = (face_options_t *) data;
if (!thiz->font_file)
{
thiz->font_file = g_strdup (arg);
return true;
}
return true;
}
gboolean
subset_main_t::collect_rest (const char *name,
const char *arg,
gpointer data,
GError **error)
{
subset_main_t *thiz = (subset_main_t *) data;
if (!thiz->font_file)
{
thiz->font_file = g_strdup (arg);
return true;
}
parse_text (name, arg, data, error);
return true;
}
void
subset_main_t::add_options ()
{
set_summary ("Subset fonts to specification.");
face_options_t::add_options (this);
GOptionEntry glyphset_entries[] =
{
{"gids", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_gids,
"Specify glyph IDs or ranges to include in the subset.\n"
" "
"Use --gids-=... to subtract codepoints from the current set.", "list of glyph indices/ranges or *"},
{"gids-", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_gids, "Specify glyph IDs or ranges to remove from the subset", "list of glyph indices/ranges or *"},
{"gids+", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_gids, "Specify glyph IDs or ranges to include in the subset", "list of glyph indices/ranges or *"},
{"gids-file", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_file_for<parse_gids>, "Specify file to read glyph IDs or ranges from", "filename"},
{"glyphs", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_glyphs, "Specify glyph names to include in the subset. Use --glyphs-=... to subtract glyphs from the current set.", "list of glyph names or *"},
{"glyphs+", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_glyphs, "Specify glyph names to include in the subset", "list of glyph names"},
{"glyphs-", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_glyphs, "Specify glyph names to remove from the subset", "list of glyph names"},
{"glyphs-file", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_file_for<parse_glyphs>, "Specify file to read glyph names from", "filename"},
{"text", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_text, "Specify text to include in the subset. Use --text-=... to subtract codepoints from the current set.", "string"},
{"text-", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_text, "Specify text to remove from the subset", "string"},
{"text+", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_text, "Specify text to include in the subset", "string"},
{"text-file", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_file_for<parse_text, false>,"Specify file to read text from", "filename"},
{"unicodes", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_unicodes,
"Specify Unicode codepoints or ranges to include in the subset. Use * to include all codepoints.\n"
" "
"--unicodes-=... can be used to subtract codepoints from the current set.\n"
" "
"For example: --unicodes=* --unicodes-=41,42,43 would create a subset with all codepoints\n"
" "
"except for 41, 42, 43.",
"list of hex numbers/ranges or *"},
{"unicodes-", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_unicodes, "Specify Unicode codepoints or ranges to remove from the subset", "list of hex numbers/ranges or *"},
{"unicodes+", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_unicodes, "Specify Unicode codepoints or ranges to include in the subset", "list of hex numbers/ranges or *"},
{"unicodes-file", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_file_for<parse_unicodes>,"Specify file to read Unicode codepoints or ranges from", "filename"},
{nullptr}
};
add_group (glyphset_entries,
"subset-glyphset",
"Subset glyph-set option:",
"Subsetting glyph-set options",
this);
GOptionEntry other_entries[] =
{
{"name-IDs", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_nameids, "Subset specified nameids. Use --name-IDs-=... to substract from the current set.", "list of int numbers or *"},
{"name-IDs-", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_nameids, "Subset specified nameids", "list of int numbers or *"},
{"name-IDs+", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_nameids, "Subset specified nameids", "list of int numbers or *"},
{"name-languages", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_name_languages, "Subset nameRecords with specified language IDs. Use --name-languages-=... to substract from the current set.", "list of int numbers or *"},
{"name-languages-", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_name_languages, "Subset nameRecords with specified language IDs", "list of int numbers or *"},
{"name-languages+", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_name_languages, "Subset nameRecords with specified language IDs", "list of int numbers or *"},
{"layout-features", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_layout_features, "Specify set of layout feature tags that will be preserved. Use --layout-features-=... to substract from the current set.", "list of string table tags or *"},
{"layout-features+",0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_layout_features, "Specify set of layout feature tags that will be preserved", "list of string tags or *"},
{"layout-features-",0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_layout_features, "Specify set of layout feature tags that will be preserved", "list of string tags or *"},
{"layout-scripts", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_layout_scripts, "Specify set of layout script tags that will be preserved. Use --layout-scripts-=... to substract from the current set.", "list of string table tags or *"},
{"layout-scripts+",0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_layout_scripts, "Specify set of layout script tags that will be preserved", "list of string tags or *"},
{"layout-scripts-",0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_layout_scripts, "Specify set of layout script tags that will be preserved", "list of string tags or *"},
{"drop-tables", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables. Use --drop-tables-=... to substract from the current set.", "list of string table tags or *"},
{"drop-tables+", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags or *"},
{"drop-tables-", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags or *"},
{nullptr}
};
add_group (other_entries,
"subset-other",
"Subset other option:",
"Subsetting other options",
this);
GOptionEntry flag_entries[] =
{
{"no-hinting", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &set_flag<HB_SUBSET_FLAGS_NO_HINTING>, "Whether to drop hints", nullptr},
{"retain-gids", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &set_flag<HB_SUBSET_FLAGS_RETAIN_GIDS>, "If set don't renumber glyph ids in the subset.", nullptr},
{"desubroutinize", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &set_flag<HB_SUBSET_FLAGS_DESUBROUTINIZE>, "Remove CFF/CFF2 use of subroutines", nullptr},
{"name-legacy", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &set_flag<HB_SUBSET_FLAGS_NAME_LEGACY>, "Keep legacy (non-Unicode) 'name' table entries", nullptr},
{"set-overlaps-flag", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &set_flag<HB_SUBSET_FLAGS_SET_OVERLAPS_FLAG>, "Set the overlaps flag on each glyph.", nullptr},
{"notdef-outline", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &set_flag<HB_SUBSET_FLAGS_NOTDEF_OUTLINE>, "Keep the outline of \'.notdef\' glyph", nullptr},
{"no-prune-unicode-ranges", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &set_flag<HB_SUBSET_FLAGS_NO_PRUNE_UNICODE_RANGES>, "Don't change the 'OS/2 ulUnicodeRange*' bits.", nullptr},
{"glyph-names", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &set_flag<HB_SUBSET_FLAGS_GLYPH_NAMES>, "Keep PS glyph names in TT-flavored fonts. ", nullptr},
{"passthrough-tables", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &set_flag<HB_SUBSET_FLAGS_PASSTHROUGH_UNRECOGNIZED>, "Do not drop tables that the tool does not know how to subset.", nullptr},
{nullptr}
};
add_group (flag_entries,
"subset-flags",
"Subset boolean option:",
"Subsetting boolean options",
this);
GOptionEntry app_entries[] =
{
{"num-iterations", 'n', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_INT,
&this->num_iterations,
"Run subsetter N times (default: 1)", "N"},
{nullptr}
};
add_group (app_entries,
"subset-app",
"Subset app option:",
"Subsetting application options",
this);
output_options_t::add_options (this);
GOptionEntry entries[] =
{
{G_OPTION_REMAINING, 0, G_OPTION_FLAG_IN_MAIN,
G_OPTION_ARG_CALLBACK, (gpointer) &collect_rest, nullptr, "[FONT-FILE] [TEXT]"},
{nullptr}
};
add_main_group (entries, this);
option_parser_t::add_options ();
}
int
main (int argc, char **argv)
{
return batch_main<subset_main_t, true> (argc, argv);
}