From 96ca22c7a1f9c5990e136a6ccddc8a33319b9043 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Mon, 3 Dec 2007 19:51:09 +0000
Subject: Hey, Bu::MiniMacro works, that's a funny name.  There's still some
 more to add, but it does everything I need it to at the moment.

---
 src/minimacro.cpp | 117 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)

(limited to 'src/minimacro.cpp')

diff --git a/src/minimacro.cpp b/src/minimacro.cpp
index 274c13b..374b7de 100644
--- a/src/minimacro.cpp
+++ b/src/minimacro.cpp
@@ -6,12 +6,129 @@
  */
 
 #include "bu/minimacro.h"
+#include "bu/exceptions.h"
 
 Bu::MiniMacro::MiniMacro()
 {
+	hFuncs.insert("toupper", new FuncToUpper() );
+	hFuncs.insert("tolower", new FuncToLower() );
 }
 
 Bu::MiniMacro::~MiniMacro()
 {
 }
 
+Bu::FString Bu::MiniMacro::parse( const Bu::FString &sIn )
+{
+	Bu::FString sOut;
+	for( sCur = sIn.getStr(); *sCur; 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;
+		}
+	}
+
+	return sOut;
+}
+
+Bu::FString Bu::MiniMacro::parseRepl()
+{
+	Bu::FString sOut;
+	bool bIsFirst = true;
+	for( const char *sNext = sCur;;)
+	{
+		for(; *sNext != ':' && *sNext != '}' && *sNext != '\0'; sNext++ );
+		if( *sNext == '\0' )
+			break;
+		Bu::FString sName( sCur, (int)sNext-(int)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::FString Bu::MiniMacro::parseCond()
+{
+	Bu::FString sOut;
+	printf("%20s\n", sCur );
+	return sOut;
+}
+
+Bu::FString Bu::MiniMacro::parseCmd()
+{
+	Bu::FString sOut;
+	printf("%20s\n", sCur );
+	return sOut;
+}
+
+Bu::FString Bu::MiniMacro::callFunc(
+	const Bu::FString &sIn, const Bu::FString &sFunc )
+{
+	int i = sFunc.find('(');
+	if( i < 0 )
+		throw Bu::ExceptionBase("That doesn't look like a function call");
+	Bu::FString 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::FString p( s, (int)sNext-(int)s );
+		lsParams.append( p );
+		sNext++;
+		s = sNext;
+	}
+	return hFuncs.get( sName )->call( sIn, lsParams );
+}
+
+void Bu::MiniMacro::addVar(
+	const Bu::FString &sName, const Bu::FString &sValue )
+{
+	hVars.insert( sName, sValue );
+}
+
-- 
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