#ifndef OPTIONS_HH
#define OPTIONS_HH
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "hb.hh"
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <stdio.h>
+#include <assert.h>
#include <math.h>
#include <locale.h>
#include <errno.h>
#endif
#include <hb.h>
-#ifdef HAVE_OT
#include <hb-ot.h>
-#endif
#include <glib.h>
#include <glib/gprintf.h>
-#if !GLIB_CHECK_VERSION (2, 22, 0)
-# define g_mapped_file_unref g_mapped_file_free
-#endif
-
-
-/* A few macros copied from hb-private.hh. */
-
-#if __GNUC__ >= 4
-#define HB_UNUSED __attribute__((unused))
-#else
-#define HB_UNUSED
-#endif
-
-#undef MIN
-template <typename Type> static inline Type MIN (const Type &a, const Type &b) { return a < b ? a : b; }
-
-#undef MAX
-template <typename Type> static inline Type MAX (const Type &a, const Type &b) { return a > b ? a : b; }
-
-#undef ARRAY_LENGTH
-template <typename Type, unsigned int n>
-static inline unsigned int ARRAY_LENGTH (const Type (&)[n]) { return n; }
-/* A const version, but does not detect erratically being called on pointers. */
-#define ARRAY_LENGTH_CONST(__array) ((signed int) (sizeof (__array) / sizeof (__array[0])))
-
-#define _ASSERT_STATIC1(_line, _cond) HB_UNUSED typedef int _static_assert_on_line_##_line##_failed[(_cond)?1:-1]
-#define _ASSERT_STATIC0(_line, _cond) _ASSERT_STATIC1 (_line, (_cond))
-#define ASSERT_STATIC(_cond) _ASSERT_STATIC0 (__LINE__, (_cond))
-
-void fail (hb_bool_t suggest_help, const char *format, ...) G_GNUC_NORETURN G_GNUC_PRINTF (2, 3);
+static inline void fail (hb_bool_t suggest_help, const char *format, ...) G_GNUC_NORETURN G_GNUC_PRINTF (2, 3);
-
-extern hb_bool_t debug;
-
-struct option_group_t
+static inline void
+fail (hb_bool_t suggest_help, const char *format, ...)
{
- virtual void add_options (struct option_parser_t *parser) = 0;
-
- virtual void pre_parse (GError **error G_GNUC_UNUSED) {};
- virtual void post_parse (GError **error G_GNUC_UNUSED) {};
-};
-
+ const char *msg;
+
+ va_list vap;
+ va_start (vap, format);
+ msg = g_strdup_vprintf (format, vap);
+ va_end (vap);
+ const char *prgname = g_get_prgname ();
+ g_printerr ("%s: %s\n", prgname, msg);
+ if (suggest_help)
+ g_printerr ("Try `%s --help' for more information.\n", prgname);
+
+ exit (1);
+}
struct option_parser_t
{
- option_parser_t (const char *usage) {
- memset (this, 0, sizeof (*this));
- usage_str = usage;
- context = g_option_context_new (usage);
- to_free = g_ptr_array_new ();
+ option_parser_t (const char *parameter_string = nullptr)
+ : context (g_option_context_new (parameter_string)),
+ to_free (g_ptr_array_new ())
+ {}
- add_main_options ();
- }
- ~option_parser_t (void) {
+ static void _g_free_g_func (void *p, void * G_GNUC_UNUSED) { g_free (p); }
+
+ ~option_parser_t ()
+ {
g_option_context_free (context);
- g_ptr_array_foreach (to_free, (GFunc) g_free, NULL);
+ g_ptr_array_foreach (to_free, _g_free_g_func, nullptr);
g_ptr_array_free (to_free, TRUE);
}
- void add_main_options (void);
+ void add_options ();
+
+ static void
+ post_parse_ (void *thiz, GError **error) {}
+ template <typename Type>
+ static auto
+ post_parse_ (Type *thiz, GError **error) -> decltype (thiz->post_parse (error))
+ { thiz->post_parse (error); }
+ template <typename Type>
+ static gboolean
+ post_parse (GOptionContext *context G_GNUC_UNUSED,
+ GOptionGroup *group G_GNUC_UNUSED,
+ gpointer data,
+ GError **error)
+ {
+ option_parser_t::post_parse_ (static_cast<Type *> (data), error);
+ return !*error;
+ }
+ template <typename Type>
void add_group (GOptionEntry *entries,
const gchar *name,
const gchar *description,
const gchar *help_description,
- option_group_t *option_group);
-
- void free_later (char *p) {
- g_ptr_array_add (to_free, p);
- }
-
- void parse (int *argc, char ***argv);
-
- G_GNUC_NORETURN void usage (void) {
- g_printerr ("Usage: %s [OPTION...] %s\n", g_get_prgname (), usage_str);
- exit (1);
- }
-
- private:
- const char *usage_str;
- GOptionContext *context;
- GPtrArray *to_free;
-};
-
-
-#define DEFAULT_MARGIN 16
-#define DEFAULT_FORE "#000000"
-#define DEFAULT_BACK "#FFFFFF"
-#define FONT_SIZE_UPEM 0x7FFFFFFF
-#define FONT_SIZE_NONE 0
-
-struct view_options_t : option_group_t
-{
- view_options_t (option_parser_t *parser) {
- annotate = false;
- fore = NULL;
- back = NULL;
- line_space = 0;
- margin.t = margin.r = margin.b = margin.l = DEFAULT_MARGIN;
-
- add_options (parser);
- }
- ~view_options_t (void)
+ Type *closure,
+ bool add_parse_hooks = true)
{
- g_free (fore);
- g_free (back);
+ GOptionGroup *group = g_option_group_new (name, description, help_description,
+ static_cast<gpointer>(closure), nullptr);
+ g_option_group_add_entries (group, entries);
+ if (add_parse_hooks)
+ g_option_group_set_parse_hooks (group, nullptr, post_parse<Type>);
+ g_option_context_add_group (context, group);
}
- void add_options (option_parser_t *parser);
-
- hb_bool_t annotate;
- char *fore;
- char *back;
- double line_space;
- struct margin_t {
- double t, r, b, l;
- } margin;
-};
-
-
-struct shape_options_t : option_group_t
-{
- shape_options_t (option_parser_t *parser)
- {
- direction = language = script = NULL;
- bot = eot = preserve_default_ignorables = false;
- features = NULL;
- num_features = 0;
- shapers = NULL;
- utf8_clusters = false;
- cluster_level = HB_BUFFER_CLUSTER_LEVEL_DEFAULT;
- normalize_glyphs = false;
- num_iterations = 1;
-
- add_options (parser);
- }
- ~shape_options_t (void)
+ template <typename Type>
+ void add_main_group (GOptionEntry *entries,
+ Type *closure)
{
- g_free (direction);
- g_free (language);
- g_free (script);
- free (features);
- g_strfreev (shapers);
+ GOptionGroup *group = g_option_group_new (nullptr, nullptr, nullptr,
+ static_cast<gpointer>(closure), nullptr);
+ g_option_group_add_entries (group, entries);
+ /* https://gitlab.gnome.org/GNOME/glib/-/issues/2460 */
+ //g_option_group_set_parse_hooks (group, nullptr, post_parse<Type>);
+ g_option_context_set_main_group (context, group);
}
- void add_options (option_parser_t *parser);
-
- void setup_buffer (hb_buffer_t *buffer)
+ void set_summary (const char *summary)
{
- hb_buffer_set_direction (buffer, hb_direction_from_string (direction, -1));
- hb_buffer_set_script (buffer, hb_script_from_string (script, -1));
- hb_buffer_set_language (buffer, hb_language_from_string (language, -1));
- hb_buffer_set_flags (buffer, (hb_buffer_flags_t) (HB_BUFFER_FLAG_DEFAULT |
- (bot ? HB_BUFFER_FLAG_BOT : 0) |
- (eot ? HB_BUFFER_FLAG_EOT : 0) |
- (preserve_default_ignorables ? HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES : 0)));
- hb_buffer_set_cluster_level (buffer, cluster_level);
- hb_buffer_guess_segment_properties (buffer);
+ g_option_context_set_summary (context, summary);
}
-
- void populate_buffer (hb_buffer_t *buffer, const char *text, int text_len,
- const char *text_before, const char *text_after)
+ void set_description (const char *description)
{
- hb_buffer_clear_contents (buffer);
- if (text_before) {
- unsigned int len = strlen (text_before);
- hb_buffer_add_utf8 (buffer, text_before, len, len, 0);
- }
- hb_buffer_add_utf8 (buffer, text, text_len, 0, text_len);
- if (text_after) {
- hb_buffer_add_utf8 (buffer, text_after, -1, 0, 0);
- }
-
- if (!utf8_clusters) {
- /* Reset cluster values to refer to Unicode character index
- * instead of UTF-8 index. */
- unsigned int num_glyphs = hb_buffer_get_length (buffer);
- hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL);
- for (unsigned int i = 0; i < num_glyphs; i++)
- {
- info->cluster = i;
- info++;
- }
- }
-
- setup_buffer (buffer);
+ g_option_context_set_description (context, description);
}
- hb_bool_t shape (hb_font_t *font, hb_buffer_t *buffer)
- {
- hb_bool_t res = hb_shape_full (font, buffer, features, num_features, shapers);
- if (normalize_glyphs)
- hb_buffer_normalize_glyphs (buffer);
- return res;
+ void free_later (char *p) {
+ g_ptr_array_add (to_free, p);
}
- void shape_closure (const char *text, int text_len,
- hb_font_t *font, hb_buffer_t *buffer,
- hb_set_t *glyphs)
- {
- hb_buffer_reset (buffer);
- hb_buffer_add_utf8 (buffer, text, text_len, 0, text_len);
- setup_buffer (buffer);
- hb_ot_shape_glyphs_closure (font, buffer, features, num_features, glyphs);
- }
+ bool parse (int *argc, char ***argv, bool ignore_error = false);
- /* Buffer properties */
- char *direction;
- char *language;
- char *script;
-
- /* Buffer flags */
- hb_bool_t bot;
- hb_bool_t eot;
- hb_bool_t preserve_default_ignorables;
-
- hb_feature_t *features;
- unsigned int num_features;
- char **shapers;
- hb_bool_t utf8_clusters;
- hb_buffer_cluster_level_t cluster_level;
- hb_bool_t normalize_glyphs;
- unsigned int num_iterations;
+ GOptionContext *context;
+ protected:
+ GPtrArray *to_free;
};
-struct font_options_t : option_group_t
+static inline gchar *
+shapers_to_string ()
{
- font_options_t (option_parser_t *parser,
- int default_font_size_,
- unsigned int subpixel_bits_) {
- default_font_size = default_font_size_;
- subpixel_bits = subpixel_bits_;
- font_file = NULL;
- face_index = 0;
- font_size_x = font_size_y = default_font_size;
- font_funcs = NULL;
-
- font = NULL;
-
- add_options (parser);
- }
- ~font_options_t (void) {
- g_free (font_file);
- g_free (font_funcs);
- hb_font_destroy (font);
- }
-
- void add_options (option_parser_t *parser);
-
- hb_font_t *get_font (void) const;
+ GString *shapers = g_string_new (nullptr);
+ const char **shaper_list = hb_shape_list_shapers ();
- char *font_file;
- int face_index;
- int default_font_size;
- unsigned int subpixel_bits;
- mutable double font_size_x;
- mutable double font_size_y;
- char *font_funcs;
-
- private:
- mutable hb_font_t *font;
-};
+ for (; *shaper_list; shaper_list++) {
+ g_string_append (shapers, *shaper_list);
+ g_string_append_c (shapers, ',');
+ }
+ g_string_truncate (shapers, MAX (0, (gint)shapers->len - 1));
+ return g_string_free (shapers, false);
+}
-struct text_options_t : option_group_t
+static G_GNUC_NORETURN gboolean
+show_version (const char *name G_GNUC_UNUSED,
+ const char *arg G_GNUC_UNUSED,
+ gpointer data G_GNUC_UNUSED,
+ GError **error G_GNUC_UNUSED)
{
- text_options_t (option_parser_t *parser) {
- text_before = NULL;
- text_after = NULL;
-
- text = NULL;
- text_file = NULL;
-
- fp = NULL;
- gs = NULL;
- line = NULL;
- line_len = (unsigned int) -1;
+ g_printf ("%s (%s) %s\n", g_get_prgname (), PACKAGE_NAME, PACKAGE_VERSION);
- add_options (parser);
- }
- ~text_options_t (void) {
- g_free (text_before);
- g_free (text_after);
- g_free (text);
- g_free (text_file);
- if (gs)
- g_string_free (gs, true);
- if (fp)
- fclose (fp);
- }
+ char *shapers = shapers_to_string ();
+ g_printf ("Available shapers: %s\n", shapers);
+ g_free (shapers);
+ if (strcmp (HB_VERSION_STRING, hb_version_string ()))
+ g_printf ("Linked HarfBuzz library has a different version: %s\n", hb_version_string ());
- void add_options (option_parser_t *parser);
+ exit(0);
+}
- void post_parse (GError **error G_GNUC_UNUSED) {
- if (text && text_file)
- g_set_error (error,
- G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
- "Only one of text and text-file can be set");
+inline void
+option_parser_t::add_options ()
+{
+ GOptionEntry entries[] =
+ {
+ {"version", 0, G_OPTION_FLAG_NO_ARG,
+ G_OPTION_ARG_CALLBACK, (gpointer) &show_version, "Show version numbers", nullptr},
+ {nullptr}
};
+ g_option_context_add_main_entries (context, entries, nullptr);
+}
- const char *get_line (unsigned int *len);
-
- char *text_before;
- char *text_after;
-
- char *text;
- char *text_file;
-
- private:
- FILE *fp;
- GString *gs;
- char *line;
- unsigned int line_len;
-};
-
-struct output_options_t : option_group_t
+inline bool
+option_parser_t::parse (int *argc, char ***argv, bool ignore_error)
{
- output_options_t (option_parser_t *parser,
- const char **supported_formats_ = NULL) {
- output_file = NULL;
- output_format = NULL;
- supported_formats = supported_formats_;
- explicit_output_format = false;
-
- fp = NULL;
-
- add_options (parser);
- }
- ~output_options_t (void) {
- g_free (output_file);
- g_free (output_format);
- if (fp)
- fclose (fp);
- }
+ setlocale (LC_ALL, "");
- void add_options (option_parser_t *parser);
-
- void post_parse (GError **error G_GNUC_UNUSED)
+ GError *parse_error = nullptr;
+ if (!g_option_context_parse (context, argc, argv, &parse_error))
{
- if (output_format)
- explicit_output_format = true;
-
- if (output_file && !output_format) {
- output_format = strrchr (output_file, '.');
- if (output_format)
- {
- output_format++; /* skip the dot */
- output_format = strdup (output_format);
- }
+ if (parse_error)
+ {
+ if (!ignore_error)
+ fail (true, "%s", parse_error->message);
+ g_error_free (parse_error);
}
-
- if (output_file && 0 == strcmp (output_file, "-"))
- output_file = NULL; /* STDOUT */
- }
-
- FILE *get_file_handle (void);
-
- char *output_file;
- char *output_format;
- const char **supported_formats;
- bool explicit_output_format;
-
- mutable FILE *fp;
-};
-
-struct format_options_t : option_group_t
-{
- format_options_t (option_parser_t *parser) {
- show_glyph_names = true;
- show_positions = true;
- show_clusters = true;
- show_text = false;
- show_unicode = false;
- show_line_num = false;
- show_extents = false;
-
- add_options (parser);
+ else
+ {
+ if (!ignore_error)
+ fail (true, "Option parse error");
+ }
+ return false;
}
+ return true;
+}
- void add_options (option_parser_t *parser);
-
- void serialize_unicode (hb_buffer_t *buffer,
- GString *gs);
- void serialize_glyphs (hb_buffer_t *buffer,
- hb_font_t *font,
- hb_buffer_serialize_format_t format,
- hb_buffer_serialize_flags_t flags,
- GString *gs);
- void serialize_line_no (unsigned int line_no,
- GString *gs);
- void serialize_buffer_of_text (hb_buffer_t *buffer,
- unsigned int line_no,
- const char *text,
- unsigned int text_len,
- hb_font_t *font,
- GString *gs);
- void serialize_message (unsigned int line_no,
- const char *msg,
- GString *gs);
- void serialize_buffer_of_glyphs (hb_buffer_t *buffer,
- unsigned int line_no,
- const char *text,
- unsigned int text_len,
- hb_font_t *font,
- hb_buffer_serialize_format_t output_format,
- hb_buffer_serialize_flags_t format_flags,
- GString *gs);
-
-
- hb_bool_t show_glyph_names;
- hb_bool_t show_positions;
- hb_bool_t show_clusters;
- hb_bool_t show_text;
- hb_bool_t show_unicode;
- hb_bool_t show_line_num;
- hb_bool_t show_extents;
-};
/* fallback implementation for scalbn()/scalbnf() for pre-2013 MSVC */
#if defined (_MSC_VER) && (_MSC_VER < 1800)
projects / platform / upstream / harfbuzz.git / blobdiff