GuSnippetInfo* snippets_parse (char* snippet) {
gint i, start, end;
GError* err = NULL;
gchar** result = NULL;
GRegex* regex = NULL;
GMatchInfo* match_info = NULL;
const gchar* holders[] = { "\\$([0-9]+)", "\\${([0-9]*):?([^}]*)}",
"\\$(FILENAME)", "\\${(FILENAME)}",
"\\$(BASENAME)", "\\${(BASENAME)}",
"\\$(SELECTED_TEXT)", "\\${(SELECTED_TEXT)}"
/* Anyway to combine these? */
};
GuSnippetInfo* info = snippet_info_new (snippet);
for (i = 0; i < sizeof(holders) / sizeof(holders[0]); ++i) {
if (! (regex = g_regex_new (holders[i], G_REGEX_DOTALL, 0, &err))) {
slog (L_ERROR, "g_regex_new (): %s\n", err->message);
g_error_free (err);
return info;
}
g_regex_match (regex, snippet, 0, &match_info);
while (g_match_info_matches (match_info)) {
result = g_match_info_fetch_all (match_info);
g_match_info_fetch_pos (match_info, 0, &start, &end);
/* Convert start, end to UTF8 offset */
char* s_start = g_substr(snippet, 0, start);
char* s_end = g_substr(snippet, 0, end);
start = g_utf8_strlen(s_start, -1);
end = g_utf8_strlen(s_end, -1);
g_free(s_start);
g_free(s_end);
if (i < 2) {
snippet_info_append_holder (info, atoi (result[1]), start,
end -start, result[2]);
} else {
snippet_info_append_holder (info, -1, start, end -start,
result[1]);
}
slog (L_DEBUG, "Placeholder: (%s, %s, %s)\n", result[0], result[1],
result[2]);
g_match_info_next (match_info, NULL);
g_strfreev (result);
}
g_regex_unref (regex);
g_match_info_free (match_info);
}
info->einfo = g_list_sort (info->einfo, snippet_info_pos_cmp);
info->einfo_sorted = g_list_copy (info->einfo);
info->einfo_sorted = g_list_sort (info->einfo_sorted, snippet_info_num_cmp);
return info;
}
/* Add the background color reference. */
static void
add_background_color_reference (xmlXPathContextPtr context,
xmlChar *ref)
{
xmlChar *xpath = (xmlChar *) g_strdup_printf ("/iwb/svg:svg/svg:rect[@id='%s']", (gchar *) ref);
xmlXPathObjectPtr result = xmlXPathEvalExpression (xpath, context);
xmlNodePtr node = result->nodesetval->nodeTab[0];
/* e.g. rbg(255,255,255) */
xmlChar *fill = xmlGetProp (node, (xmlChar *) "fill");
gint open_bracket_index = g_substrlastpos ((const gchar *)fill, "(");
gint comma_index = g_substrlastpos ((const gchar *)fill, ",");
gint close_bracket_index = g_substrlastpos ((const gchar *)fill, ")");
gchar *blue = g_substr ((const gchar *)fill, comma_index+1, close_bracket_index-1);
guint16 bd = (guint16) g_ascii_strtoull (blue, NULL, 10);
g_free(blue);
gchar *remain_string = g_substr ((const gchar *)fill, open_bracket_index+1, comma_index-1);
g_free ( (gchar*) fill);
/* e.g. 255,255 */
comma_index = g_substrlastpos ((const gchar *)remain_string, ",");
gchar *red = g_substr ((const gchar *)remain_string, 0, comma_index-1);
guint16 rd = (guint16) g_ascii_strtoull (red, NULL, 10);
g_free(red);
gchar *green = g_substr ((const gchar *)remain_string, comma_index+1, strlen (remain_string)-1);
guint16 gd = (guint16) g_ascii_strtoull (green, NULL, 10);
g_free(green);
g_free(remain_string);
/* e.g. 255 */
xmlChar *alpha = xmlGetProp (node, (xmlChar *) "fill-opacity");
guint16 ad = (guint16) g_ascii_strtoull ((gchar *) alpha, NULL, 10);
/* FFFFFFFF */
gchar *rgba = g_strdup_printf ("%02x%02x%02x%02x",
rd,
gd,
bd,
ad);
if (g_strcmp0 (rgba, "00000000") != 0)
{
set_background_type (1);
update_background_color (rgba);
}
else
{
update_background_color (rgba);
set_background_color ("000000FF");
}
g_free( (gchar *) alpha);
g_free( (gchar *) xpath);
}
