[util] Add --unicodes to hb-view / hb-shape
Fixes https://github.com/behdad/harfbuzz/issues/154
diff --git a/test/shaping/hb_test_tools.py b/test/shaping/hb_test_tools.py
index 052974d..b9cb836 100644
--- a/test/shaping/hb_test_tools.py
+++ b/test/shaping/hb_test_tools.py
@@ -461,7 +461,7 @@
@staticmethod
def parse (s):
s = re.sub (r"0[xX]", " ", s)
- s = re.sub (r"[<+>{},;&#\\xXuUnNiI\n ]", " ", s)
+ s = re.sub (r"[<+>{},;&#\\xXuUnNiI\n\t]", " ", s)
return [int (x, 16) for x in s.split ()]
@staticmethod
diff --git a/util/options.cc b/util/options.cc
index b1a83ed..1abafda 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -299,6 +299,68 @@
return true;
}
+static gboolean
+parse_text (const char *name G_GNUC_UNUSED,
+ const char *arg,
+ gpointer data,
+ GError **error G_GNUC_UNUSED)
+{
+ text_options_t *text_opts = (text_options_t *) data;
+
+ if (text_opts->text)
+ {
+ g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
+ "Either --text or --unicodes can be provided but not both");
+ return false;
+ }
+
+ text_opts->text = g_strdup (arg);
+ return true;
+}
+
+
+static gboolean
+parse_unicodes (const char *name G_GNUC_UNUSED,
+ const char *arg,
+ gpointer data,
+ GError **error G_GNUC_UNUSED)
+{
+ text_options_t *text_opts = (text_options_t *) data;
+
+ if (text_opts->text)
+ {
+ g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE,
+ "Either --text or --unicodes can be provided but not both");
+ return false;
+ }
+
+ GString *gs = g_string_new (NULL);
+ char *s = (char *) arg;
+ char *p;
+
+ while (s && *s)
+ {
+ while (*s && strchr ("<+>{},;&#\\xXuUnNiI\n\t", *s))
+ s++;
+
+ 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 values at: '%s'", s);
+ return false;
+ }
+
+ g_string_append_unichar (gs, u);
+
+ s = p;
+ }
+
+ text_opts->text = g_string_free (gs, FALSE);
+ return true;
+}
+
void
view_options_t::add_options (option_parser_t *parser)
@@ -491,8 +553,9 @@
{
GOptionEntry entries[] =
{
- {"text", 0, 0, G_OPTION_ARG_STRING, &this->text, "Set input text", "string"},
+ {"text", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_text, "Set input text", "string"},
{"text-file", 0, 0, G_OPTION_ARG_STRING, &this->text_file, "Set input text file-name\n\n If no text is provided, standard input is used for input.\n", "filename"},
+ {"unicodes", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_unicodes, "Set input Unicode codepoints", "list of hex numbers"},
{"text-before", 0, 0, G_OPTION_ARG_STRING, &this->text_before, "Set text context before each line", "string"},
{"text-after", 0, 0, G_OPTION_ARG_STRING, &this->text_after, "Set text context after each line", "string"},
{NULL}
