added license notice

[smdp.git] / src / url.c

diff --git a/src/url.c b/src/url.c
index f968dae..1aa2de6 100644 (file)
--- a/src/url.c
+++ b/src/url.c
@@ -1,3 +1,24 @@
+/*
+ * Functions necessary to handle pandoc URLs.
+ * Copyright (C) 2014 Michael Goehler
+ *
+ * This file is part of mdp.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
 #include <stdlib.h>
 #include <assert.h>
 #include <string.h>
@@ -136,3 +157,45 @@ static void url_print(url_t *u) {
 int url_get_amount(void) {
     return index_max;
 }
+
+int url_count_inline(const char *line) {
+    int count = 0;
+    const char *i = line;
+
+    for (; *i; i++) {
+        if (*i == '\\') {
+            i++;
+        } else if ( *i == '[' && *(i+1) != ']') {
+            while (*i && *i != ']') i++;
+            i++;
+            if (*i == '(' && strchr(i, ')')) {
+                count ++;
+                i = strchr(i, ')');
+            }
+        }
+    }
+
+    return count;
+}
+
+int url_len_inline(const char *text) {
+    int count = 0;
+    const char *i = text;
+
+    for (; *i; i++) {
+        if (*i == '\\') {
+            i++;
+        } else if ( *i == '[' && *(i+1) != ']') {
+            while (*i && *i != ']') i++;
+            i++;
+            if (*i == '(' && strchr(i, ')')) {
+                while (*i && *i != ')') {
+                    count++;
+                    i++;
+                }
+            }
+        }
+    }
+
+    return count;
+}