1 files changed, 187 insertions, 0 deletions

diff --git a/src/unstable/minimacro.cpp b/src/unstable/minimacro.cpp
new file mode 100644
index 0000000..b6fd6a8
--- /dev/null
+++ b/src/unstable/minimacro.cpp
@@ -0,0 +1,187 @@
+/*
+ * Copyright (C) 2007-2011 Xagasoft, All rights reserved.
+ *
+ * This file is part of the libbu++ library and is released under the
+ * terms of the license contained in the file LICENSE.
+ */
+
+#include "bu/minimacro.h"
+
+Bu::MiniMacro::MiniMacro()
+{
+        hFuncs.insert("toupper", new FuncToUpper() );
+        hFuncs.insert("tolower", new FuncToLower() );
+}
+
+Bu::MiniMacro::MiniMacro( const StrHash &sVarSrc )
+{
+        for( StrHash::const_iterator i = sVarSrc.begin(); i != sVarSrc.end(); i++ )
+        {
+                addVar( i.getKey(), i.getValue() );
+        }
+}
+
+Bu::MiniMacro::~MiniMacro()
+{
+}
+
+Bu::String Bu::MiniMacro::parse( const Bu::String &sIn )
+{
+        bContinue = true;
+        Bu::String sOut;
+        for( sCur = sIn.getStr(); *sCur && bContinue; sCur++ )
+        {
+                if( *sCur == '{' )
+                {
+                        switch( sCur[1] )
+                        {
+                                case '=':
+                                        sCur += 2;
+                                        sOut += parseRepl();
+                                        break;
+
+                                case '?':
+                                        sCur += 2;
+                                        sOut += parseCond();
+                                        break;
+
+                                case ':':
+                                        sCur += 2;
+                                        sOut += parseCmd();
+                                        break;
+
+                                default:
+                                        sOut += *sCur;
+                                        continue;
+                        }
+                }
+                else
+                {
+                        sOut += *sCur;
+                }
+        }
+
+        iLastPos = (ptrdiff_t)sCur - (ptrdiff_t)sIn.getStr();
+
+        return sOut;
+}
+
+Bu::String Bu::MiniMacro::parseRepl()
+{
+        Bu::String sOut;
+        bool bIsFirst = true;
+        for( const char *sNext = sCur;;)
+        {
+                for(; *sNext != ':' && *sNext != '}' && *sNext != '\0'; sNext++ ) { }
+                if( *sNext == '\0' )
+                        break;
+                Bu::String sName( sCur, (ptrdiff_t)sNext-(ptrdiff_t)sCur );
+                if( bIsFirst )
+                {
+                        sOut = hVars[sName];
+                        bIsFirst = false;
+                        //printf("Variable: \"%s\"\n", sName.getStr() );
+                }
+                else
+                {
+                        sOut = callFunc( sOut, sName );
+                        //printf("Filter: \"%s\"\n", sName.getStr() );
+                }
+                if( *sNext == '}' )
+                {
+                        sCur = sNext;
+                        break;
+                }
+                else if( *sNext == ':' )
+                {
+                }
+                sNext++;
+                sCur = sNext;
+        }
+        return sOut;
+}
+
+Bu::String Bu::MiniMacro::parseCond()
+{
+        Bu::String sOut;
+        //printf("%20s\n", sCur );
+        return sOut;
+}
+
+Bu::String Bu::MiniMacro::parseCmd()
+{
+        Bu::String sOut;
+        const char *sNext = sCur;
+        for(; *sNext != ':' && *sNext != '}' && *sNext != '\0'; sNext++ ) { }
+        if( *sNext != '\0' )
+        {
+                Bu::String sName( sCur, (ptrdiff_t)sNext-(ptrdiff_t)sCur );
+                if( sName == "end" )
+                {
+                        sCur = sNext;
+                        bContinue = false;
+                        return sOut;
+                }
+                else
+                {
+                        throw Bu::ExceptionBase("Unknown command '%s'.",
+                                sName.getStr()
+                                );
+                }
+        }
+        else
+        {
+                //printf("Uh...?\n");
+        }
+
+        //printf("%20s\n", sCur );
+        return sOut;
+}
+
+Bu::String Bu::MiniMacro::callFunc(
+        const Bu::String &sIn, const Bu::String &sFunc )
+{
+        int i = sFunc.findIdx('(');
+        if( i < 0 )
+                throw Bu::ExceptionBase("That doesn't look like a function call");
+        Bu::String sName( sFunc.getStr(), i );
+        StrList lsParams;
+        for( const char *s = sFunc.getStr()+i+1; *s && *s != ')'; s++ )
+        {
+                for(; *s == ' ' || *s == '\t' || *s == '\r' || *s == '\n'; s++ ) { }
+                const char *sNext;
+                for( sNext = s; *sNext && *sNext != ')' && *sNext != ','; sNext++ ) { }
+                Bu::String p( s, (ptrdiff_t)sNext-(ptrdiff_t)s );
+                lsParams.append( p );
+                sNext++;
+                s = sNext;
+        }
+        return hFuncs.get( sName )->call( sIn, lsParams );
+}
+
+void Bu::MiniMacro::addVar(
+        const Bu::String &sName, const Bu::String &sValue )
+{
+        hVars.insert( sName, sValue );
+}
+
+bool Bu::MiniMacro::hasVar( const Bu::String &sName )
+{
+        return hVars.has( sName );
+}
+
+const Bu::String &Bu::MiniMacro::getVar( const Bu::String &sName )
+{
+        return hVars.get( sName );
+}
+
+const Bu::StrHash &Bu::MiniMacro::getVars()
+{
+        return hVars;
+}
+
+int Bu::MiniMacro::getPosition()
+{
+        return iLastPos;
+}
+