1 files changed, 59 insertions, 1 deletions
diff --git a/parser.h b/parser.h
index 689846da..2bdc4622 100644
--- a/parser.h
+++ b/parser.h
@@ -21,7 +21,65 @@ class parser_t
 			     const string * original_file = NULL) = 0;
 };
 
-DEFINE_EXCEPTION(parse_exception)
+DECLARE_EXCEPTION(parse_exception);
+
+/************************************************************************
+ *
+ * General utility parsing functions
+ */
+
+inline char * skip_ws(char * ptr) {
+  while (*ptr == ' ' || *ptr == '\t' || *ptr == '\n')
+    ptr++;
+  return ptr;
+}
+
+inline char peek_next_nonws(std::istream& in) {
+  char c = in.peek();
+  while (! in.eof() && std::isspace(c)) {
+    in.get(c);
+    c = in.peek();
+  }
+  return c;
+}
+
+#define READ_INTO(str, targ, size, var, cond) {				\
+  char * _p = targ;							\
+  var = str.peek();							\
+  while (! str.eof() && var != '\n' && (cond) && _p - targ < size) {	\
+    str.get(var);							\
+    if (str.eof())							\
+      break;								\
+    if (var == '\\') {							\
+      str.get(var);							\
+      if (in.eof())							\
+	break;								\
+    }									\
+    *_p++ = var;							\
+    var = str.peek();							\
+  }									\
+  *_p = '\0';								\
+}
+
+#define READ_INTO_(str, targ, size, var, idx, cond) {			\
+  char * _p = targ;							\
+  var = str.peek();							\
+  while (! str.eof() && var != '\n' && (cond) && _p - targ < size) {	\
+    str.get(var);							\
+    if (str.eof())							\
+      break;								\
+    idx++;								\
+    if (var == '\\') {							\
+      str.get(var);							\
+      if (in.eof())							\
+	break;								\
+      idx++;								\
+    }									\
+    *_p++ = var;							\
+    var = str.peek();							\
+  }									\
+  *_p = '\0';								\
+}
 
 } // namespace ledger