updated replacement system

Parser.cc

@@ -47,13 +47,13 @@ bool Parser::write(const string & fname)
         writeDefine(header, "I_NAMESPACE", m_namespace);
     }
     writeDefine(header, "I_CLASSNAME", m_classname);
-    refptr<string> tokenlist = buildTokenList();
-    writeDefine(header, "I_TOKENLIST", *tokenlist);
+    setReplacement("token_list", buildTokenList());
     header << endl;
     writeTmpl(header, (char *) tmpl_parser_h, tmpl_parser_h_len);
 
     /* write the body */
-    writeDefine(body, "I_HEADER_NAME", string("\"") + header_fname + "\"");
+    setReplacement("header_name",
+            new string(string("\"") + header_fname + "\""));
     body << endl;
     writeTmpl(body, (char *) tmpl_parser_cc, tmpl_parser_cc_len);
 
@@ -81,7 +81,7 @@ bool Parser::writeTmpl(std::ostream & out, char * dat, int len)
             {
                 out.write(data, ovector[0]);
             }
-            out << getTmplReplacement(string(data, ovector[2],
+            out << *getReplacement(string(data, ovector[2],
                         ovector[3] - ovector[2]));
             if (ovector[1] < newline - data)
             {
@@ -97,8 +97,13 @@ bool Parser::writeTmpl(std::ostream & out, char * dat, int len)
     }
 }
 
-std::string Parser::getTmplReplacement(const std::string & name)
+refptr<std::string> Parser::getReplacement(const std::string & name)
 {
+    if (m_replacements.find(name) != m_replacements.end())
+    {
+        return m_replacements[name];
+    }
+    return new string("");
 }
 
 refptr<string> Parser::buildTokenList()

Parser.h

@@ -5,6 +5,7 @@
 #include <vector>
 #include <string>
 #include <list>
+#include <map>
 
 #include "refptr.h"
 #include "TokenDefinition.h"
@@ -24,7 +25,11 @@ class Parser
         }
         bool write(const std::string & fname);
         bool writeTmpl(std::ostream & out, char * dat, int len);
-        std::string getTmplReplacement(const std::string & name);
+        refptr<std::string> getReplacement(const std::string & name);
+        void setReplacement(const std::string & name, refptr<std::string> val)
+        {
+            m_replacements[name] = val;
+        }
         bool parseInputFile(char * buff, int size);
 
         void setClassName(const std::string & cn) { m_classname = cn; }
@@ -44,6 +49,7 @@ class Parser
         std::string m_classname;
         std::string m_namespace;
         std::string m_extension;
+        std::map< std::string, refptr<std::string> > m_replacements;
 };
 
 #endif

tmpl/parser.cc

@@ -5,7 +5,7 @@
 #include <iostream>
 #include <vector>
 
-#include I_HEADER_NAME
+#include {%header_name%}
 
 using namespace std;
 
@@ -52,7 +52,7 @@ bool I_CLASSNAME::parse(istream & i)
         pcre * re;
         pcre_extra * re_extra;
     } tokens[] = {
-        I_TOKENLIST
+        {%token_list%}
     };
 
     if (sizeof(tokens)/sizeof(tokens[0]) == 0)