コード例 #1
0
ファイル: e2_textiter.c プロジェクト: pyromaniac2k/emelfm2
/**
@brief move foward @a count characters, ignoring any that match supplied flags

@param iter text iter referring to current position
@param count the no. of chars to move
@param skip_invisible TRUE to skip invisible chars
@param skip_nontext TRUE to skip non-text chars
@param skip_decomp TRUE to skip canonical decompositions

@return
*/
static void _e2_textiter_forward_chars_with_skipping (
		GtkTextIter *iter,
		gint         count,
		gboolean     skip_invisible,
		gboolean     skip_nontext,
		gboolean     skip_decomp)
{
	gint i;

	g_return_if_fail (count >= 0);

	i = count;

	while (i > 0)
	{
		gboolean ignored = FALSE;

		if (skip_nontext && gtk_text_iter_get_char (iter) == GTK_TEXT_UNKNOWN_CHAR)
			ignored = TRUE;

		if (!ignored && skip_invisible
		    //&& _gtk_text_btree_char_is_invisible (iter)
			)
				ignored = TRUE;

		if (!ignored && skip_decomp)
		{
			/* being utf8-correct sucks; this accounts for extra
			   offsets coming from canonical decompositions of
			   utf8 characters (e.g. accented characters) which
			   g_utf8_normalize() performs */
			gsize decomp_len;
#ifdef USE_GLIB2_30
			decomp_len = g_unichar_fully_decompose (
				gtk_text_iter_get_char (iter), FALSE, NULL, 0);
#else
			gunichar *decomp;
			decomp = g_unicode_canonical_decomposition (
				gtk_text_iter_get_char (iter), &decomp_len);
			g_free (decomp);
#endif
			i -= (decomp_len - 1);
		}

		gtk_text_iter_forward_char (iter);

		if (!ignored)
			--i;
	}
}
コード例 #2
0
static void lookup(const char *text, char ***pppWord, char ****ppppWordData)
{
	if ((text[0] == '&' && text[1] == '#' && g_str_has_suffix(text, ";")) || g_str_has_prefix(text, "U+")) {
		gunichar uc;
		if (text[0] == '&') {
			if (text[2] == 'x' || text[2] == 'X') {
				uc = htoi(text+3);
			} else {
				uc = atoi(text+2);
			}
		} else { // U+
			uc = htoi(text+2);
		}
		gchar utf8[7];
		gint n = g_unichar_to_utf8(uc, utf8);
		utf8[n] = '\0';

		*pppWord = (gchar **)g_malloc(sizeof(gchar *)*2);
		(*pppWord)[0] = g_strdup(text);
		(*pppWord)[1] = NULL;
		*ppppWordData = (gchar ***)g_malloc(sizeof(gchar **)*(1));
		(*ppppWordData)[0] = (gchar **)g_malloc(sizeof(gchar *)*2);
		(*ppppWordData)[0][0] =  build_dictdata('m', utf8);
		(*ppppWordData)[0][1] = NULL;
		return;
	}
	bool found;
	gunichar uc;
	if (g_utf8_strlen(text, -1) != 1) {
		found = false; // Don't query it.
	} else {
		uc = g_utf8_get_char(text);
		if (!gucharmap_unichar_validate (uc) || !gucharmap_unichar_isdefined (uc))
			found = false;
		else
			found = true;
	}
	if (!found) {
		*pppWord = NULL;
		return;
	}
	std::string definition;
	definition += "\n";
	gchar buf[12];
	int n = gucharmap_unichar_to_printable_utf8 (uc, buf);
	if (n == 0) {
		definition += _("[not a printable character]");
	} else {
		gchar *str = g_markup_escape_text(buf, n);
		definition += "<big><big><big><big>";
		definition += str;
		definition += "</big></big></big></big>";
		g_free(str);
	}
	definition += "\n\n";
	gchar *temp;
	/* character name */
	temp = g_strdup_printf ("U+%4.4X %s", uc, gucharmap_get_unicode_name (uc));
	definition += "<big><b>";
	definition += temp;
	definition += "</b></big>\n";
	g_free (temp);
	definition += "\n<b>";
	definition += _("General Character Properties");
	definition += "</b>\n\n";
	/* character category */
	definition += get_vanilla_detail(_("Unicode category:"), gucharmap_get_unicode_category_name (uc));
	/* canonical decomposition */
	gunichar decomposition[G_UNICHAR_MAX_DECOMPOSITION_LENGTH];
	gsize result_len;
	result_len = g_unichar_fully_decompose(uc, FALSE, decomposition, G_UNICHAR_MAX_DECOMPOSITION_LENGTH);
	if (result_len != 1) {
		definition += _("Canonical decomposition:");
		definition += " ";
		definition += get_codepoint(decomposition[0]);
		for (gsize i = 1;  i < result_len;  i++) {
			definition += " + ";
			definition += get_codepoint(decomposition[i]);
		}
		definition += "\n";
	}
	/* representations */
	if (g_unichar_break_type(uc) != G_UNICODE_BREAK_SURROGATE) {
		definition += "\n<b>";
		definition += _("Various Useful Representations");
		definition += "</b>\n\n";
		guchar utf8[7];
		gunichar2 *utf16;
		GString *gstemp;
		n = g_unichar_to_utf8 (uc, (gchar *)utf8);
		utf16 = g_ucs4_to_utf16 (&uc, 1, NULL, NULL, NULL);
		/* UTF-8 */
		gstemp = g_string_new (NULL);
		gint i;
		for (i = 0;  i < n;  i++)
			g_string_append_printf (gstemp, "0x%2.2X ", utf8[i]);
		g_string_erase (gstemp, gstemp->len - 1, -1);
		definition += get_vanilla_detail(_("UTF-8:"), gstemp->str);
		g_string_free (gstemp, TRUE);
		/* UTF-16 */
		gstemp = g_string_new (NULL);
		g_string_append_printf (gstemp, "0x%4.4X", utf16[0]);
		if (utf16[0] != '\0' && utf16[1] != '\0')
			g_string_append_printf (gstemp, " 0x%4.4X", utf16[1]);
		definition += get_vanilla_detail(_("UTF-16:"), gstemp->str);
		g_string_free (gstemp, TRUE);
		/* an empty line */
		definition += "\n";
		/* C octal \012\234 */
		gstemp = g_string_new (NULL);
		for (i = 0;  i < n;  i++)
			g_string_append_printf (gstemp, "\\%3.3o", utf8[i]);
		definition += get_vanilla_detail(_("C octal escaped UTF-8:"), gstemp->str);
		g_string_free (gstemp, TRUE);
		/* XML entity */
		if ((0x0001 <= uc && uc <= 0xD7FF) ||
			(0xE000 <= uc && uc <= 0xFFFD) ||
			(0x10000 <= uc && uc <= 0x10FFFF))
		{
			temp = g_strdup_printf ("<kref>&amp;#%d;</kref>", uc);
			definition += get_vanilla_detail(_("XML decimal entity:"), temp);
			g_free (temp);
			temp = g_strdup_printf ("<kref>&amp;#x%X;</kref>", uc);
			definition += get_vanilla_detail(_("XML hexadecimal entity:"), temp);
			g_free (temp);
		}
		g_free(utf16);
	}
	/* annotations */
	std::string annotations;
	/* nameslist equals (alias names) */
	const gchar **csarr;
	csarr = gucharmap_get_nameslist_equals (uc);
	if (csarr != NULL) {
		annotations += get_chocolate_detail(_("Alias names:"), csarr, FALSE);
		g_free (csarr);
	}
	/* nameslist stars (notes) */
	csarr = gucharmap_get_nameslist_stars (uc);
	if (csarr != NULL) {
		annotations += get_chocolate_detail(_("Notes:"), csarr, TRUE);
		g_free (csarr);
	}
	/* nameslist exes (see also) */
	gunichar *ucs;
	ucs = gucharmap_get_nameslist_exes (uc);
	if (ucs != NULL) {
		annotations += get_chocolate_detail_codepoints(_("See also:"), ucs);
		g_free (ucs);
	}
	/* nameslist pounds (approximate equivalents) */
	csarr = gucharmap_get_nameslist_pounds (uc);
	if (csarr != NULL) {
		annotations += get_chocolate_detail(_("Approximate equivalents:"), csarr, TRUE);
		g_free (csarr);
	}
	/* nameslist colons (equivalents) */
	csarr = gucharmap_get_nameslist_colons (uc);
	if (csarr != NULL) {
		annotations += get_chocolate_detail(_("Equivalents:"), csarr, TRUE);
		g_free (csarr);
	}
	if (!annotations.empty()) {
		definition += "\n<b>";
		definition += _("Annotations and Cross References");
		definition += "</b>\n\n";
		definition += annotations;
	}
	std::string unihan;
	const gchar *csp = gucharmap_get_unicode_kDefinition (uc);
	if (csp)
		unihan += get_vanilla_detail(_("Definition in English:"), csp);
	csp = gucharmap_get_unicode_kMandarin (uc);
	if (csp)
		unihan += get_vanilla_detail(_("Mandarin Pronunciation:"), csp);
	csp = gucharmap_get_unicode_kCantonese (uc);
	if (csp)
		unihan += get_vanilla_detail(_("Cantonese Pronunciation:"), csp);
	csp = gucharmap_get_unicode_kJapaneseOn (uc);
	if (csp)
		unihan += get_vanilla_detail(_("Japanese On Pronunciation:"), csp);
	csp = gucharmap_get_unicode_kJapaneseKun (uc);
	if (csp)
		unihan += get_vanilla_detail(_("Japanese Kun Pronunciation:"), csp);
	csp = gucharmap_get_unicode_kTang (uc);
	if (csp)
		unihan += get_vanilla_detail(_("Tang Pronunciation:"), csp);
	csp = gucharmap_get_unicode_kKorean (uc);
	if (csp)
		unihan += get_vanilla_detail(_("Korean Pronunciation:"), csp);
	if (!unihan.empty()) {
		definition += "\n<b>";
		definition += _("CJK Ideograph Information");
		definition += "</b>\n\n";
		definition += unihan;
	}
	n = definition.length();
	int l = n-1;
	while (l >= 0 && definition[l] == '\n') {
		l--;
	}
	if (l < n-1) {
		definition.erase(l+1, n-1-l);
	}
	*pppWord = (gchar **)g_malloc(sizeof(gchar *)*2);
	(*pppWord)[0] = g_strdup(text);
	(*pppWord)[1] = NULL;
	*ppppWordData = (gchar ***)g_malloc(sizeof(gchar **)*(1));
	(*ppppWordData)[0] = (gchar **)g_malloc(sizeof(gchar *)*2);
	(*ppppWordData)[0][0] =  build_dictdata('x', definition.c_str());
	(*ppppWordData)[0][1] = NULL;
}