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This diff has been restricted to the following files: 'src/parsing.cpp'

#
#
# patch "src/parsing.cpp"
#  from [da4e1440bbc2184e0a75be183aa78f5be4beb154]
#    to [07004ffd721f7f70ccb2f50f0a1f4a7e98c028cb]
#
============================================================
--- src/parsing.cpp	da4e1440bbc2184e0a75be183aa78f5be4beb154
+++ src/parsing.cpp	07004ffd721f7f70ccb2f50f0a1f4a7e98c028cb
@@ -55,6 +55,37 @@ std::string to_string(u64bit n, u32bit m
    }

 /*************************************************
+* Convert a string into a time duration          *
+*************************************************/
+u32bit timespec_to_u32bit(const std::string& timespec)
+   {
+   if(timespec == "")
+      return 0;
+
+   const char suffix = timespec[timespec.size()-1];
+   std::string value = timespec.substr(0, timespec.size()-1);
+
+   u32bit scale = 1;
+
+   if(Charset::is_digit(suffix))
+      value += suffix;
+   else if(suffix == 's')
+      scale = 1;
+   else if(suffix == 'm')
+      scale = 60;
+   else if(suffix == 'h')
+      scale = 60 * 60;
+   else if(suffix == 'd')
+      scale = 24 * 60 * 60;
+   else if(suffix == 'y')
+      scale = 365 * 24 * 60 * 60;
+   else
+      throw Decoding_Error("timespec_to_u32bit: Bad input " + timespec);
+
+   return scale * to_u32bit(value);
+   }
+
+/*************************************************
 * Parse a SCAN-style algorithm name              *
 *************************************************/
 std::vector<std::string> parse_algorithm_name(const std::string& namex)
@@ -211,34 +242,6 @@ bool x500_name_cmp(const std::string& na
    }

 /*************************************************
-* Parse and compute an arithmetic expression     *
-*************************************************/
-u32bit parse_expr(const std::string& expr)
-   {
-   const bool have_add = (expr.find('+') != std::string::npos);
-   const bool have_mul = (expr.find('*') != std::string::npos);
-
-   if(have_add)
-      {
-      std::vector<std::string> sub_expr = split_on(expr, '+');
-      u32bit result = 0;
-      for(u32bit j = 0; j != sub_expr.size(); ++j)
-         result += parse_expr(sub_expr[j]);
-      return result;
-      }
-   else if(have_mul)
-      {
-      std::vector<std::string> sub_expr = split_on(expr, '*');
-      u32bit result = 1;
-      for(u32bit j = 0; j != sub_expr.size(); ++j)
-         result *= parse_expr(sub_expr[j]);
-      return result;
-      }
-   else
-      return to_u32bit(expr);
-   }
-
-/*************************************************
 * Convert a decimal-dotted string to binary IP   *
 *************************************************/
 u32bit string_to_ipv4(const std::string& str)