| /* |
| * 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> |
| |
| static hb_face_t* preprocess_face(hb_face_t* face) |
| { |
| return hb_subset_preprocess (face); |
| } |
| |
| /* |
| * 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* orig_face = face; |
| if (preprocess) |
| orig_face = preprocess_face (face); |
| |
| 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 (orig_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); |
| if (preprocess) |
| hb_face_destroy (orig_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; |
| gboolean preprocess = false; |
| 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; |
| } |
| |
| static gboolean |
| _keep_everything (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_keep_everything (subset_main->input); |
| |
| 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; |
| } |
| |
| #ifndef HB_NO_VAR |
| static gboolean |
| parse_instance (const char *name, |
| const char *arg, |
| gpointer data, |
| GError **error) |
| { |
| subset_main_t *subset_main = (subset_main_t *) data; |
| if (!subset_main->face) { |
| // There is no face, which is needed to set up instancing. Skip parsing these options. |
| return true; |
| } |
| |
| char *s = strtok((char *) arg, "="); |
| while (s) |
| { |
| unsigned len = strlen (s); |
| if (len > 4) //Axis tags are 4 bytes. |
| { |
| g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
| "Failed parsing axis tag at: '%s'", s); |
| return false; |
| } |
| |
| hb_tag_t axis_tag = hb_tag_from_string (s, len); |
| |
| s = strtok(nullptr, ", "); |
| if (!s) |
| { |
| g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
| "Value not specified for axis: %c%c%c%c", HB_UNTAG (axis_tag)); |
| return false; |
| } |
| |
| #ifdef HB_EXPERIMENTAL_API |
| char *pp = s; |
| pp = strpbrk (pp, ":"); |
| if (pp) // partial instancing |
| { |
| errno = 0; |
| char *pend; |
| float min_val = strtof (s, &pend); |
| if (errno || s == pend || pend != pp) |
| { |
| g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
| "Failed parsing axis value at: '%s'", s); |
| return false; |
| } |
| pp++; |
| float max_val = strtof (pp, &pend); |
| /* we need to specify 2 values or 3 values for partial instancing: |
| * at least new min and max values, new default is optional */ |
| if (errno || pp == pend || (*pend != ':' && *pend != '\0')) |
| { |
| g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
| "Failed parsing axis value at: '%s'", s); |
| return false; |
| } |
| /* 3 values are specified */ |
| float *def_val_p = nullptr; |
| float def_val; |
| if (*pend == ':') |
| { |
| def_val = max_val; |
| def_val_p = &def_val; |
| pp = pend + 1; |
| max_val = strtof (pp, &pend); |
| if (errno || pp == pend || *pend != '\0') |
| { |
| g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
| "Failed parsing axis value at: '%s'", s); |
| return false; |
| } |
| } |
| if (!hb_subset_input_set_axis_range (subset_main->input, subset_main->face, axis_tag, min_val, max_val, def_val_p)) |
| { |
| g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
| "Error: axis: '%c%c%c%c', not present in fvar or invalid range with min:%.6f max:%.6f", |
| HB_UNTAG (axis_tag), min_val, max_val); |
| return false; |
| } |
| } |
| else |
| { |
| #endif |
| if (strcmp (s, "drop") == 0) |
| { |
| if (!hb_subset_input_pin_axis_to_default (subset_main->input, subset_main->face, axis_tag)) |
| { |
| g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
| "Cannot pin axis: '%c%c%c%c', not present in fvar", HB_UNTAG (axis_tag)); |
| return false; |
| } |
| } |
| else |
| { |
| errno = 0; |
| char *p; |
| float axis_value = strtof (s, &p); |
| if (errno || s == p) |
| { |
| g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
| "Failed parsing axis value at: '%s'", s); |
| return false; |
| } |
| |
| if (!hb_subset_input_pin_axis_location (subset_main->input, subset_main->face, axis_tag, axis_value)) |
| { |
| g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
| "Cannot pin axis: '%c%c%c%c', not present in fvar", HB_UNTAG (axis_tag)); |
| return false; |
| } |
| } |
| #ifdef HB_EXPERIMENTAL_API |
| } |
| #endif |
| s = strtok(nullptr, "="); |
| } |
| |
| return true; |
| } |
| #endif |
| |
| static gboolean |
| parse_glyph_map (const char *name, |
| const char *arg, |
| gpointer data, |
| GError **error) |
| { |
| // Glyph map has the following format: |
| // <entry 1>,<entry 2>,...,<entry n> |
| // <entry> = <old gid>:<new gid> |
| subset_main_t *subset_main = (subset_main_t *) data; |
| hb_subset_input_t* input = subset_main->input; |
| hb_set_t *glyphs = hb_subset_input_glyph_set(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) |
| { |
| g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
| "Failed parsing glyph map at: '%s'", s); |
| return false; |
| } |
| |
| if (!p || p[0] != ':') // ranges |
| { |
| g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, |
| "Failed parsing glyph map at: '%s'", s); |
| return false; |
| } |
| |
| 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 map at: '%s'", s); |
| return false; |
| } |
| |
| hb_set_add(glyphs, start_code); |
| hb_map_set (hb_subset_input_old_to_new_glyph_mapping (input), start_code, end_code); |
| |
| s = p; |
| } |
| |
| 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", 'g', 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", 't', 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", 'u', 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[] = |
| { |
| {"gid-map", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_glyph_map, "Specify a glyph mapping to use, any unmapped gids will be automatically assigned.", "List of pairs old_gid1:new_gid1,old_gid2:new_gid2,..."}, |
| {"name-IDs", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_nameids, "Subset specified nameids. Use --name-IDs-=... to subtract 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 subtract 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 subtract 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 subtract 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 subtract 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 *"}, |
| #ifndef HB_NO_VAR |
| {"instance", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_instance, |
| "(Partially|Fully) Instantiate a variable font. A location consists of the tag of a variation axis, followed by '=', followed by a\n" |
| "number or the literal string 'drop'\n" |
| " " |
| "For example: --instance=\"wdth=100 wght=200\" or --instance=\"wdth=drop\"\n" |
| " " |
| "Note: currently only fully instancing is supported\n", |
| "list of comma separated axis-locations"}, |
| #endif |
| {nullptr} |
| }; |
| add_group (other_entries, |
| "subset-other", |
| "Subset other option:", |
| "Subsetting other options", |
| this); |
| |
| GOptionEntry flag_entries[] = |
| { |
| {"keep-everything", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &_keep_everything, |
| "Keep everything by default. Options after this can override the operation.", nullptr}, |
| {"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}, |
| {"no-layout-closure", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, (gpointer) &set_flag<HB_SUBSET_FLAGS_NO_LAYOUT_CLOSURE>, "Don't perform glyph closure for layout substitution (GSUB).", 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}, |
| {"preprocess-face", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_NONE, &this->preprocess, |
| "Alternative name for --preprocess.", nullptr}, |
| {"preprocess", 0, 0, G_OPTION_ARG_NONE, &this->preprocess, |
| "If set preprocesses the face with the add accelerator option before actually subsetting.", 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); |
| } |