[util] Add --bot / --eot / --preserve-default-ignorables
diff --git a/util/options.cc b/util/options.cc
index b9f1538..ca621bf 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -271,6 +271,9 @@
{"direction", 0, 0, G_OPTION_ARG_STRING, &this->direction, "Set text direction (default: auto)", "ltr/rtl/ttb/btt"},
{"language", 0, 0, G_OPTION_ARG_STRING, &this->language, "Set text language (default: $LANG)", "langstr"},
{"script", 0, 0, G_OPTION_ARG_STRING, &this->script, "Set text script (default: auto)", "ISO-15924 tag"},
+ {"bot", 0, 0, G_OPTION_ARG_NONE, &this->bot, "Treat text as beginning-of-paragraph", NULL},
+ {"eot", 0, 0, G_OPTION_ARG_NONE, &this->eot, "Treat text as end-of-paragraph", NULL},
+ {"preserve-default-ignorables",0, 0, G_OPTION_ARG_NONE, &this->preserve_default_ignorables, "Preserve Default-Ignorable characters", NULL},
{"utf8-clusters", 0, 0, G_OPTION_ARG_NONE, &this->utf8_clusters, "Use UTF8 byte indices, not char indices", NULL},
{"normalize-glyphs",0, 0, G_OPTION_ARG_NONE, &this->normalize_glyphs, "Rearrange glyph clusters in nominal order", NULL},
{NULL}
diff --git a/util/options.hh b/util/options.hh
index 0f6fce2..be6878b 100644
--- a/util/options.hh
+++ b/util/options.hh
@@ -144,6 +144,7 @@
shape_options_t (option_parser_t *parser)
{
direction = language = script = NULL;
+ bot = eot = preserve_default_ignorables = false;
features = NULL;
num_features = 0;
shapers = NULL;
@@ -165,6 +166,10 @@
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_FLAGS_DEFAULT |
+ (bot ? HB_BUFFER_FLAG_BOT : 0) |
+ (eot ? HB_BUFFER_FLAG_EOT : 0) |
+ (preserve_default_ignorables ? HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES : 0)));
}
void populate_buffer (hb_buffer_t *buffer, const char *text, int text_len,
@@ -213,9 +218,16 @@
hb_ot_shape_glyphs_closure (font, buffer, features, num_features, glyphs);
}
+ /* Buffer properties */
const char *direction;
const char *language;
const 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;