/**
@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;
}
}
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>&#%d;</kref>", uc);
definition += get_vanilla_detail(_("XML decimal entity:"), temp);
g_free (temp);
temp = g_strdup_printf ("<kref>&#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;
}
