Mercurial > hg > dav / file diff

--- a/dav/utils.c	Fri Aug 16 12:41:30 2013 +0200
+++ b/dav/utils.c	Sat Aug 17 12:04:04 2013 +0200
@@ -191,3 +191,48 @@
     
     return out;
 }
+
+/*
+ * gets a substring from 0 to the appearance of the token
+ * tokens are separated by space
+ * sets sub to the substring and returns the remaining string
+ */
+sstr_t util_getsubstr_until_token(sstr_t str, sstr_t token, sstr_t *sub) {  
+    int i;
+    int token_start = -1;
+    int token_end = -1;
+    for(i=0;i<=str.length;i++) {
+        int c;
+        if(i == str.length) {
+            c = ' ';
+        } else {
+            c = str.ptr[i];
+        }
+        if(c < 33) {
+            if(token_start != -1) {
+                token_end = i;
+                size_t len = token_end - token_start;
+                sstr_t tk = sstrsubsl(str, token_start, len);
+                //printf("token: {%.*s}\n", token.length, token.ptr);
+                if(!sstrcmp(tk, token)) {
+                    *sub = sstrtrim(sstrsubsl(str, 0, token_start));
+                    break;
+                }
+                token_start = -1;
+                token_end = -1;
+            }
+        } else {
+            if(token_start == -1) {
+                token_start = i;
+            }
+        }
+    }
+    
+    if(i < str.length) {
+        return sstrtrim(sstrsubs(str, i));
+    } else {
+        str.ptr = NULL;
+        str.length = 0;
+        return str;
+    }
+}