From: MORIOKA Tomohiko <tomo.git@chise.org>
Date: Sun, 14 Apr 2013 09:30:06 +0000 (+0900)
Subject: (cos_read_string): New function.
X-Git-Url: http://git.chise.org/gitweb/?a=commitdiff_plain;h=036d80c42369228dcc32bba9cea9088ed9bd33ef;p=chise%2Fconcord.git

(cos_read_string): New function.
---

diff --git a/read.c b/read.c
index 79459ab..2fd1566 100644
--- a/read.c
+++ b/read.c
@@ -92,3 +92,30 @@ cos_read_char (unsigned char *str, size_t len, size_t start, size_t* endp)
 
   return -1;
 }
+
+COS_String
+cos_read_string (unsigned char *str, size_t len, size_t start, size_t* endp)
+{
+  size_t i = start;
+  int c;
+
+  if ( (len >= start + 2) && (str[i++] == '"') )
+    {
+      while ( ( i < len )
+	      && ( (c = cos_read_utf8 (str, len, i, &i)) >= 0 )
+	      )
+	{
+	  if ( c == '"' )
+	    {
+	      return cos_make_string ((char*)&str[1], i - 2);
+	    }
+	  else if ( c == '\\' )
+	    {
+	      i++;
+	      if ( cos_read_utf8 (str, len, i, &i) < 0 )
+		return NULL;
+	    }
+	}
+    }
+  return NULL;
+}