[util/hb-subset] Parse --text & --unicodes

This commit is contained in:
Behdad Esfahbod 2021-08-11 21:14:55 -06:00
parent 4ec727e55f
commit 5b07c3c7d0
4 changed files with 486 additions and 467 deletions

View File

@ -36,7 +36,6 @@ HB_SUBSET_CLI_sources = \
main-font-text.hh \
options.hh \
output-options.hh \
subset-options.hh \
text-options.hh \
$(NULL)

View File

@ -27,48 +27,32 @@
#include <stdio.h>
#include "subset-options.hh"
#include "output-options.hh"
#include "face-options.hh"
#include "text-options.hh"
#include "batch.hh"
#include "main-font-text.hh"
#include <hb-subset.h>
/*
* Command line interface to the harfbuzz font subsetter.
*/
struct subset_main_t : option_parser_t, face_options_t, text_options_t, subset_options_t, output_options_t<false>
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);
}
int operator () (int argc, char **argv)
{
add_options ();
parse (&argc, &argv);
hb_set_t *codepoints = hb_subset_input_unicode_set (input);
unsigned int text_len;
const char *text;
while ((text = get_line (&text_len)))
{
if (0 == strcmp (text, "*"))
{
hb_face_collect_unicodes (face, codepoints);
continue;
}
if (*text)
{
gchar *c = (gchar *)text;
do
{
gunichar cp = g_utf8_get_char(c);
hb_codepoint_t hb_cp = cp;
hb_set_add (codepoints, hb_cp);
}
while ((c = g_utf8_find_next_char(c, text + text_len)));
}
}
hb_face_t *new_face = nullptr;
for (unsigned i = 0; i < num_iterations; i++)
{
@ -109,53 +93,489 @@ struct subset_main_t : option_parser_t, face_options_t, text_options_t, subset_o
return true;
}
void add_options ();
public:
void post_parse (GError **error G_GNUC_UNUSED);
protected:
void add_options ()
{
face_options_t::add_options (this);
text_options_t::add_options (this);
subset_options_t::add_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 ();
}
private:
static gboolean
collect_rest (const char *name G_GNUC_UNUSED,
collect_rest (const char *name,
const char *arg,
gpointer data,
GError **error)
{
subset_main_t *thiz = (subset_main_t *) data;
GError **error);
if (!thiz->font_file)
{
thiz->font_file = g_strdup (arg);
return true;
}
public:
if (!thiz->text && !thiz->text_file)
{
thiz->text = g_strdup (arg);
return true;
}
unsigned num_iterations = 1;
hb_subset_input_t *input = nullptr;
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
"Too many arguments on the command line");
return false;
}
bool all_unicodes = false;
};
static gboolean
parse_gids (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_set_t *gids = hb_subset_input_glyph_set (subset_main->input);
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)
{
hb_set_destroy (gids);
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)
{
hb_set_destroy (gids);
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)
{
hb_set_destroy (gids);
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Invalid gid-index range %u-%u", start_code, end_code);
return false;
}
hb_set_add_range (gids, start_code, end_code);
}
else
{
hb_set_add (gids, start_code);
}
s = p;
}
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;
if (0 == strcmp (arg, "*"))
{
subset_main->all_unicodes = true;
return true;
}
hb_set_t *codepoints = hb_subset_input_unicode_set (subset_main->input);
for (gchar *c = (gchar *) arg;
*c;
c = g_utf8_find_next_char(c, nullptr))
{
gunichar cp = g_utf8_get_char(c);
hb_set_add (codepoints, cp);
}
return true;
}
static gboolean
parse_unicodes (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;
if (0 == strcmp (arg, "*"))
{
subset_main->all_unicodes = true;
return true;
}
hb_set_t *codepoints = hb_subset_input_unicode_set (subset_main->input);
{
char *s = (char *) arg;
char *p;
while (s && *s)
{
#define DELIMITERS "<+>{},;&#\\xXuUnNiI\n\t\v\f\r "
while (*s && strchr (DELIMITERS, *s))
s++;
if (!*s)
break;
errno = 0;
hb_codepoint_t u = strtoul (s, &p, 16);
if (errno || s == p)
{
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing Unicode value at: '%s'", s);
return false;
}
hb_set_add (codepoints, u);
s = p;
}
}
return true;
}
static gboolean
parse_nameids (const char *name,
const char *arg,
gpointer data,
GError **error G_GNUC_UNUSED)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_set_t *name_ids = hb_subset_input_nameid_set (subset_main->input);
char last_name_char = name[strlen (name) - 1];
if (last_name_char != '+' && last_name_char != '-')
hb_set_clear (name_ids);
if (0 == strcmp (arg, "*"))
{
if (last_name_char == '-')
hb_set_del_range (name_ids, 0, 0x7FFF);
else
hb_set_add_range (name_ids, 0, 0x7FFF);
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)
{
hb_set_destroy (name_ids);
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing nameID value at: '%s'", s);
return false;
}
if (last_name_char != '-')
{
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 G_GNUC_UNUSED)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_set_t *name_languages = hb_subset_input_namelangid_set (subset_main->input);
char last_name_char = name[strlen (name) - 1];
if (last_name_char != '+' && last_name_char != '-')
hb_set_clear (name_languages);
if (0 == strcmp (arg, "*"))
{
if (last_name_char == '-')
hb_set_del_range (name_languages, 0, 0x5FFF);
else
hb_set_add_range (name_languages, 0, 0x5FFF);
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)
{
hb_set_destroy (name_languages);
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing name-language code at: '%s'", s);
return false;
}
if (last_name_char != '-')
{
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_features (const char *name,
const char *arg,
gpointer data,
GError **error G_GNUC_UNUSED)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_set_t *layout_features = hb_subset_input_layout_features_set (subset_main->input);
char last_name_char = name[strlen (name) - 1];
if (last_name_char != '+' && last_name_char != '-')
hb_set_clear (layout_features);
if (0 == strcmp (arg, "*"))
{
if (last_name_char == '-')
{
hb_set_clear (layout_features);
hb_subset_input_set_flags (subset_main->input,
hb_subset_input_get_flags (subset_main->input) & ~HB_SUBSET_FLAGS_RETAIN_ALL_FEATURES);
} else {
hb_subset_input_set_flags (subset_main->input,
hb_subset_input_get_flags (subset_main->input) | HB_SUBSET_FLAGS_RETAIN_ALL_FEATURES);
}
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 value at: '%s'", s);
return false;
}
hb_tag_t tag = hb_tag_from_string (s, strlen (s));
if (last_name_char != '-')
hb_set_add (layout_features, tag);
else
hb_set_del (layout_features, tag);
s = strtok(nullptr, ", ");
}
return true;
}
static gboolean
parse_drop_tables (const char *name,
const char *arg,
gpointer data,
GError **error G_GNUC_UNUSED)
{
subset_main_t *subset_main = (subset_main_t *) data;
hb_set_t *drop_tables = hb_subset_input_drop_tables_set (subset_main->input);
char last_name_char = name[strlen (name) - 1];
if (last_name_char != '+' && last_name_char != '-')
hb_set_clear (drop_tables);
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 value at: '%s'", s);
return false;
}
hb_tag_t tag = hb_tag_from_string (s, strlen (s));
if (last_name_char != '-')
hb_set_add (drop_tables, tag);
else
hb_set_del (drop_tables, tag);
s = strtok(nullptr, ", ");
}
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 ()
{
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", "list of glyph indices/ranges"},
// gids-file
// glyphs
// glyphs-file
{"text", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_text, "Specify text to include in the subset", "string"},
// text-file
{"unicodes", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_unicodes, "Specify Unicode codepoints or ranges to include in the subset", "list of hex numbers/ranges"},
{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", "list of int numbers"},
{"name-IDs-", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_nameids, "Subset specified nameids", "list of int numbers"},
{"name-IDs+", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_nameids, "Subset specified nameids", "list of int numbers"},
{"name-languages", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_name_languages, "Subset nameRecords with specified language IDs", "list of int numbers"},
{"name-languages-", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_name_languages, "Subset nameRecords with specified language IDs", "list of int numbers"},
{"name-languages+", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_name_languages, "Subset nameRecords with specified language IDs", "list of int numbers"},
{"layout-features", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_layout_features, "Specify set of layout feature tags that will be preserved", "list of string table tags."},
{"layout-features+",0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_layout_features, "Specify set of layout feature tags that will be preserved", "list of string table tags."},
{"layout-features-",0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_layout_features, "Specify set of layout feature tags that will be preserved", "list of string table tags."},
{"drop-tables", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags."},
{"drop-tables+", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags."},
{"drop-tables-", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags."},
{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},
{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 ();
}
void
subset_main_t::post_parse (GError **error G_GNUC_UNUSED)
{
/* This WILL get called multiple times. Oh well... */
if (all_unicodes)
{
hb_set_t *codepoints = hb_subset_input_unicode_set (input);
hb_face_collect_unicodes (face, codepoints);
all_unicodes = false;
}
}
int
main (int argc, char **argv)
{

View File

@ -1,399 +0,0 @@
/*
* Copyright © 2019 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
*/
#ifndef SUBSET_OPTIONS_HH
#define SUBSET_OPTIONS_HH
#include "options.hh"
#include "hb-subset.h"
struct subset_options_t
{
subset_options_t ()
: input (hb_subset_input_create_or_fail ())
{}
~subset_options_t ()
{
hb_subset_input_destroy (input);
}
void add_options (option_parser_t *parser);
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 G_GNUC_UNUSED)
{
subset_options_t *subset_opts = (subset_options_t *) data;
hb_set_t *gids = hb_subset_input_glyph_set (subset_opts->input);
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)
{
hb_set_destroy (gids);
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)
{
hb_set_destroy (gids);
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)
{
hb_set_destroy (gids);
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Invalid gid-index range %u-%u", start_code, end_code);
return false;
}
hb_set_add_range (gids, start_code, end_code);
}
else
{
hb_set_add (gids, start_code);
}
s = p;
}
return true;
}
static gboolean
parse_nameids (const char *name,
const char *arg,
gpointer data,
GError **error G_GNUC_UNUSED)
{
subset_options_t *subset_opts = (subset_options_t *) data;
hb_set_t *name_ids = hb_subset_input_nameid_set (subset_opts->input);
char last_name_char = name[strlen (name) - 1];
if (last_name_char != '+' && last_name_char != '-')
hb_set_clear (name_ids);
if (0 == strcmp (arg, "*"))
{
if (last_name_char == '-')
hb_set_del_range (name_ids, 0, 0x7FFF);
else
hb_set_add_range (name_ids, 0, 0x7FFF);
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)
{
hb_set_destroy (name_ids);
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing nameID values at: '%s'", s);
return false;
}
if (last_name_char != '-')
{
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 G_GNUC_UNUSED)
{
subset_options_t *subset_opts = (subset_options_t *) data;
hb_set_t *name_languages = hb_subset_input_namelangid_set (subset_opts->input);
char last_name_char = name[strlen (name) - 1];
if (last_name_char != '+' && last_name_char != '-')
hb_set_clear (name_languages);
if (0 == strcmp (arg, "*"))
{
if (last_name_char == '-')
hb_set_del_range (name_languages, 0, 0x5FFF);
else
hb_set_add_range (name_languages, 0, 0x5FFF);
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)
{
hb_set_destroy (name_languages);
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing name_languages values at: '%s'", s);
return false;
}
if (last_name_char != '-')
{
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_options_t *subset_opts = (subset_options_t *) data;
hb_subset_input_set_flags (subset_opts->input,
hb_subset_input_get_flags (subset_opts->input) | flag);
return true;
}
static gboolean
parse_layout_features (const char *name,
const char *arg,
gpointer data,
GError **error G_GNUC_UNUSED)
{
subset_options_t *subset_opts = (subset_options_t *) data;
hb_set_t *layout_features = hb_subset_input_layout_features_set (subset_opts->input);
char last_name_char = name[strlen (name) - 1];
if (last_name_char != '+' && last_name_char != '-')
hb_set_clear (layout_features);
if (0 == strcmp (arg, "*"))
{
if (last_name_char == '-')
{
hb_set_clear (layout_features);
hb_subset_input_set_flags (subset_opts->input,
hb_subset_input_get_flags (subset_opts->input) & ~HB_SUBSET_FLAGS_RETAIN_ALL_FEATURES);
} else {
hb_subset_input_set_flags (subset_opts->input,
hb_subset_input_get_flags (subset_opts->input) | HB_SUBSET_FLAGS_RETAIN_ALL_FEATURES);
}
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 values at: '%s'", s);
return false;
}
hb_tag_t tag = hb_tag_from_string (s, strlen (s));
if (last_name_char != '-')
hb_set_add (layout_features, tag);
else
hb_set_del (layout_features, tag);
s = strtok(nullptr, ", ");
}
return true;
}
static gboolean
parse_drop_tables (const char *name,
const char *arg,
gpointer data,
GError **error G_GNUC_UNUSED)
{
subset_options_t *subset_opts = (subset_options_t *) data;
hb_set_t *drop_tables = hb_subset_input_drop_tables_set (subset_opts->input);
char last_name_char = name[strlen (name) - 1];
if (last_name_char != '+' && last_name_char != '-')
hb_set_clear (drop_tables);
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 values at: '%s'", s);
return false;
}
hb_tag_t tag = hb_tag_from_string (s, strlen (s));
if (last_name_char != '-')
hb_set_add (drop_tables, tag);
else
hb_set_del (drop_tables, tag);
s = strtok(nullptr, ", ");
}
return true;
}
void
subset_options_t::add_options (option_parser_t *parser)
{
GOptionEntry glyphset_entries[] =
{
{"gids", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_gids, "Specify glyph IDs or ranges to include in the subset", "list of comma/whitespace-separated int numbers or ranges"},
// gids-file
// glyphs
// glyphs-file
// text
// text-file
{nullptr}
};
parser->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", "list of int numbers"},
{"name-IDs-", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_nameids, "Subset specified nameids", "list of int numbers"},
{"name-IDs+", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_nameids, "Subset specified nameids", "list of int numbers"},
{"name-languages", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_name_languages, "Subset nameRecords with specified language IDs", "list of int numbers"},
{"name-languages-", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_name_languages, "Subset nameRecords with specified language IDs", "list of int numbers"},
{"name-languages+", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_name_languages, "Subset nameRecords with specified language IDs", "list of int numbers"},
{"layout-features", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_layout_features, "Specify set of layout feature tags that will be preserved", "list of string table tags."},
{"layout-features+", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_layout_features, "Specify set of layout feature tags that will be preserved", "list of string table tags."},
{"layout-features-", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_layout_features, "Specify set of layout feature tags that will be preserved", "list of string table tags."},
{"drop-tables", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags."},
{"drop-tables+", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags."},
{"drop-tables-", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags."},
{nullptr}
};
parser->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},
{nullptr}
};
parser->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}
};
parser->add_group (app_entries,
"subset-app",
"Subset app option:",
"Subsetting application options",
this);
}
#endif

View File

@ -119,7 +119,6 @@ parse_text (const char *name G_GNUC_UNUSED,
return true;
}
static gboolean
parse_unicodes (const char *name G_GNUC_UNUSED,
const char *arg,
@ -161,7 +160,7 @@ parse_unicodes (const char *name G_GNUC_UNUSED,
{
g_string_free (gs, TRUE);
g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
"Failed parsing Unicode values at: '%s'", s);
"Failed parsing Unicode value at: '%s'", s);
return false;
}