11 files changed, 332 insertions, 7 deletions

diff --git a/build.conf b/build.conf
index 6a1b611..32ce750 100644
--- a/build.conf
+++ b/build.conf
@@ -11,7 +11,7 @@ set "CXXFLAGS" += "-ggdb"
         target file,
         requires "libbu++/libbu++.a",
         set "CXXFLAGS" += "-Ilibbu++/src",
-        input filesIn("src")
+        input filesIn("src") filter regexp(".*\\.(cpp|y|l)$")
 
 rule "exe":
         matches regexp("(.*)\\.o$"),
diff --git a/src/build.cpp b/src/build.cpp
index d9a8b39..ec97ccb 100644
--- a/src/build.cpp
+++ b/src/build.cpp
@@ -29,6 +29,62 @@ void Build::addRequires( const std::string &who, const std::string &what )
         mRequires[who].push_back( what );
 }
 
+void Build::addRule( Rule *pRule )
+{
+        mRule[pRule->getName()] = pRule;
+}
+
+void Build::set( const std::string &cont, const std::string &var, const std::string &val )
+{
+        if( cont == "" )
+        {
+                mVars[var] = val;
+        }
+        else
+        {
+                mContVars[cont][var] = val;
+        }
+}
+
+void Build::setAdd( const std::string &cont, const std::string &var, const std::string &val )
+{
+        if( cont == "" )
+        {
+                mVars[var] = getVar( cont, var ) + " " + val;
+        }
+        else
+        {
+                mContVars[cont][var] = getVar( cont, var ) + " " + val;
+        }
+}
+
+std::string Build::getVar( const std::string &cont, const std::string &var )
+{
+        if( cont == "" )
+        {
+                if( mVars.find(var) == mVars.end() )
+                {
+                        if( getenv( var.c_str() ) == NULL )
+                        {
+                                mVars[var] = "";
+                        }
+                        else
+                        {
+                                mVars[var] = getenv( var.c_str() );
+                        }
+                }
+                return mVars[var];
+        }
+        else
+        {
+                if( mContVars[cont].find(var) == mContVars[cont].end() )
+                {
+                        mContVars[cont][var] = getVar( "", var );
+                }
+                return mContVars[cont][var];
+        }
+}
+
 void Build::debugDump()
 {
         printf("Requires:\n");
@@ -45,5 +101,42 @@ void Build::debugDump()
                 }
                 printf("\n");
         }
+
+        printf("Targets:\n");
+        for( TargetMap::iterator i = mTarget.begin(); i != mTarget.end(); i++ )
+        {
+                printf("  %s:\n", (*i).first.c_str() );
+                printf("    Rule:  %s\n", (*i).second->getRule().c_str() );
+                printf("    Input: ");
+                for( StringList::iterator j = (*i).second->getInput().begin();
+                         j != (*i).second->getInput().end(); j++ )
+                {
+                        if( j != (*i).second->getInput().begin() )
+                                printf(", ");
+                        printf("%s", (*j).c_str() );
+                }
+                printf("\n");
+        }
+
+        printf("Global Variables:\n");
+        for( VarMap::iterator i = mVars.begin(); i != mVars.end(); i++ )
+        {
+                printf("  \"%s\" = \"%s\"\n", (*i).first.c_str(), (*i).second.c_str() );
+        }
+
+        printf("Context Variables:\n");
+        for( ContextMap::iterator i = mContVars.begin(); i != mContVars.end(); i++ )
+        {
+                printf("  %s:\n", (*i).first.c_str() );
+                
+                for( VarMap::iterator j = (*i).second.begin();
+                         j != (*i).second.end(); j++ )
+                {
+                        printf("    \"%s\" = \"%s\"\n",
+                                (*j).first.c_str(),
+                                (*j).second.c_str()
+                                );
+                }
+        }
 }
 
diff --git a/src/build.h b/src/build.h
index 00acbfc..fe71d30 100644
--- a/src/build.h
+++ b/src/build.h
@@ -27,6 +27,11 @@ public:
          */
         void addTarget( Target *pTarget );
         void addRequires( const std::string &who, const std::string &what );
+        void addRule( Rule *pRule );
+
+        void set( const std::string &cont, const std::string &var, const std::string &val );
+        void setAdd( const std::string &cont, const std::string &var, const std::string &val );
+        std::string getVar( const std::string &cont, const std::string &var );
 
         void debugDump();
 
@@ -34,9 +39,15 @@ private:
         typedef std::map<std::string, Target *> TargetMap;
         typedef std::list<std::string> StringList;
         typedef std::map<std::string, StringList> ReqMap;
+        typedef std::map<std::string, std::string> VarMap;
+        typedef std::map<std::string, VarMap> ContextMap;
+        typedef std::map<std::string, Rule *> RuleMap;
 
         TargetMap mTarget;
         ReqMap mRequires;
+        VarMap mVars;
+        ContextMap mContVars;
+        RuleMap mRule;
 
         //std::map<std::string, Rule *> mRule;
         //Action *pActDefault;
diff --git a/src/builder.cpp b/src/builder.cpp
index 4d377a8..1e916ab 100644
--- a/src/builder.cpp
+++ b/src/builder.cpp
@@ -134,7 +134,14 @@ void Builder::addListFunc()
 
 void Builder::filterList()
 {
-        printf("Filters aren't done yet.\n");
+        StringList lTmp2;
+        StringList lIn = buildToStringList( lTmp, StringList() );
+        pTmpFunc->execute( lIn, lTmp2 );
+        lTmp.clear();
+        for( StringList::iterator i = lTmp2.begin(); i != lTmp2.end(); i++ )
+        {
+                lTmp.push_back( BuildListItem( *i, NULL ) );
+        }
 }
 
 StringList Builder::buildToStringList( const BuildList &lSrc, const StringList &lIn )
@@ -353,6 +360,21 @@ Build *Builder::genBuild()
 {
         Build *bld = new Build;
 
+        for( SetVarList::iterator i = lGlobalVars.begin();
+                 i != lGlobalVars.end(); i++ )
+        {
+                switch( (*i).third )
+                {
+                        case setSet:
+                                bld->set( "", (*i).first, (*i).second );
+                                break;
+
+                        case setAdd:
+                                bld->setAdd( "", (*i).first, (*i).second );
+                                break;
+                }
+        }
+
         for( TargetTmpList::iterator i = lTargetTmp.begin();
                  i != lTargetTmp.end(); i++ )
         {
@@ -388,6 +410,20 @@ Build *Builder::genBuild()
                         {
                                 bld->addRequires( (*j), (*k) );
                         }
+                        for( SetVarList::iterator k = (*i).second.lVar.begin();
+                                 k != (*i).second.lVar.end(); k++ )
+                        {
+                                switch( (*k).third )
+                                {
+                                        case setSet:
+                                                bld->set( *j, (*k).first, (*k).second );
+                                                break;
+        
+                                        case setAdd:
+                                                bld->setAdd( *j, (*k).first, (*k).second );
+                                                break;
+                                }
+                        }
                 }
         }
 
diff --git a/src/builder.h b/src/builder.h
index 8d72627..367769f 100644
--- a/src/builder.h
+++ b/src/builder.h
@@ -20,6 +20,8 @@ class TargetFactory;
 YY_DECL;
 
 typedef std::list<std::string> StringList;
+typedef std::list<Function *> FunctionList;
+typedef std::list<Perform *> PerformList;
 
 template<class tx, class ty, class tz>
 class Triplet
@@ -137,14 +139,14 @@ private: // Rule variables
                 Function *pMatches;
                 BuildList lProduces;
                 BuildList lRequires;
-                std::list<Function *> lFilter;
-                std::list<Perform *> lPerform;
+                FunctionList lFilter;
+                PerformList lPerform;
         };
 
         typedef std::list<RuleInfo> RuleTmpList;
         RuleTmpList lRuleTmp;
 
-public: // Functions for dealing with actions
+public: // Action functions
         void addAction();
         void addAction( const char *sName );
         void addCommand( int nType );
diff --git a/src/function.h b/src/function.h
index 1a71f8a..0e8f49e 100644
--- a/src/function.h
+++ b/src/function.h
@@ -13,7 +13,7 @@ public:
         void addParam( const char *str );
         virtual void execute( const StringList &lInput, StringList &lOutput )=0;
 
-private:
+protected:
         StringList lParams;
 
 };
diff --git a/src/functionfilesin.cpp b/src/functionfilesin.cpp
index 0d65c13..3e1233a 100644
--- a/src/functionfilesin.cpp
+++ b/src/functionfilesin.cpp
@@ -1,5 +1,8 @@
+#include <dirent.h>
+
 #include "functionfilesin.h"
 #include "plugger.h"
+#include "build.h"
 
 PluginInterface2(filesIn, FunctionFilesIn, Function, "Mike Buland", 0, 1 );
 
@@ -13,5 +16,25 @@ FunctionFilesIn::~FunctionFilesIn()
 
 void FunctionFilesIn::execute( const StringList &lInput, StringList &lOutput )
 {
+        DIR *d = opendir( lParams.front().c_str() );
+        if( d == NULL )
+                throw BuildException(
+                        "Can't open directory %s.",
+                        lParams.front().c_str()
+                        );
+
+        struct dirent *e;
+
+        std::string prefix = lParams.front() + "/";
+
+        while( (e = readdir( d )) )
+        {
+                if( e->d_type == DT_REG )
+                {
+                        lOutput.push_back( prefix + e->d_name );
+                }
+        }
+
+        closedir( d );
 }
 
diff --git a/src/functionregexp.cpp b/src/functionregexp.cpp
index 462e93c..d1491e6 100644
--- a/src/functionregexp.cpp
+++ b/src/functionregexp.cpp
@@ -1,5 +1,6 @@
 #include "functionregexp.h"
 #include "plugger.h"
+#include "regexp.h"
 
 PluginInterface2(regexp, FunctionRegexp, Function, "Mike Buland", 0, 1 );
 
@@ -13,5 +14,21 @@ FunctionRegexp::~FunctionRegexp()
 
 void FunctionRegexp::execute( const StringList &lInput, StringList &lOutput )
 {
+        if( lParams.size() == 1 )
+        {
+                RegExp re( lParams.front().c_str() );
+
+                for( StringList::const_iterator i = lInput.begin();
+                         i != lInput.end(); i++ )
+                {
+                        if( re.execute( (*i).c_str() ) )
+                        {
+                                lOutput.push_back( *i );
+                        }
+                }
+        }
+        else
+        {
+        }
 }
 
diff --git a/src/regexp.cpp b/src/regexp.cpp
new file mode 100644
index 0000000..f79be97
--- /dev/null
+++ b/src/regexp.cpp
@@ -0,0 +1,78 @@
+#include "regexp.h"
+#include "build.h" // For BuildException
+#include "staticstring.h"
+
+RegExp::RegExp() :
+        bCompiled( false ),
+        aSubStr( NULL )
+{
+}
+
+RegExp::RegExp( const char *sSrc ) :
+        bCompiled( false ),
+        aSubStr( NULL )
+{
+        compile( sSrc );
+}
+
+RegExp::~RegExp()
+{
+        if( bCompiled )
+        {
+                regfree( &re );
+                delete[] aSubStr;
+        }
+}
+
+void RegExp::compile( const char *sSrc )
+{
+        if( bCompiled )
+        {
+                regfree( &re );
+                delete[] aSubStr;
+                bCompiled = false;
+        }
+
+        int nErr = regcomp( &re, sSrc, REG_EXTENDED|REG_NEWLINE );
+        if( nErr )
+        {
+                size_t length = regerror( nErr, &re, NULL, 0 );
+                char *buffer = new char[length];
+                (void) regerror( nErr, &re, buffer, length );
+                StaticString s( buffer );
+                delete[] buffer;
+                throw BuildException( s.getString() );
+        }
+        bCompiled = true;
+        this->sSrc = sSrc;
+
+        nSubStr = re.re_nsub+1;
+        aSubStr = new regmatch_t[nSubStr];
+}
+
+int RegExp::getNumSubStrings()
+{
+        return nSubStr;
+}
+
+bool RegExp::execute( const char *sSrc )
+{
+        sTest = sSrc;
+        if( regexec( &re, sSrc, nSubStr, aSubStr, 0 ) )
+                return false;
+        return true;
+}
+
+std::pair<int,int> RegExp::getSubStringRange( int nIndex )
+{
+        return std::pair<int,int>( aSubStr[nIndex].rm_so, aSubStr[nIndex].rm_eo );
+}
+
+std::string RegExp::getSubString( int nIndex )
+{
+        return std::string(
+                sTest.getString()+aSubStr[nIndex].rm_so,
+                aSubStr[nIndex].rm_eo - aSubStr[nIndex].rm_so
+                );
+}
+
diff --git a/src/regexp.h b/src/regexp.h
new file mode 100644
index 0000000..96f3747
--- /dev/null
+++ b/src/regexp.h
@@ -0,0 +1,36 @@
+#ifndef REG_EXP_H
+#define REG_EXP_H
+
+#include <string>
+#include <stdint.h>
+#include <regex.h>
+#include <utility>
+#include "staticstring.h"
+
+class RegExp
+{
+public:
+        RegExp();
+        RegExp( const char *sSrc );
+        virtual ~RegExp();
+
+        void compile( const char *sSrc );
+        int getNumSubStrings();
+        bool execute( const char *sSrc );
+        std::pair<int,int> getSubStringRange( int nIndex );
+        std::string getSubString( int nIndex );
+        const char *getSource()
+        {
+                return sSrc;
+        }
+
+private:
+        StaticString sSrc;
+        StaticString sTest;
+        regex_t re;
+        bool bCompiled;
+        int nSubStr;
+        regmatch_t *aSubStr;
+};
+
+#endif
diff --git a/src/rule.h b/src/rule.h
index 065ab9e..ff251ca 100644
--- a/src/rule.h
+++ b/src/rule.h
@@ -2,7 +2,14 @@
 #define RULE_H
 
 #include <stdint.h>
+#include <string>
+#include <list>
 
+class Function;
+class Perform;
+
+typedef std::list<Function *> FunctionList;
+typedef std::list<Perform *> PerformList;
 
 class Rule
 {
@@ -10,8 +17,30 @@ public:
         Rule();
         virtual ~Rule();
 
-private:
+        std::string getName()
+        {
+                return sName;
+        }
+
+        void setName( const std::string &sName )
+        {
+                this->sName = sName;
+        }
 
+        FunctionList &getFunctionList()
+        {
+                return lFilter;
+        }
+
+        PerformList &getPerformList()
+        {
+                return lPerform;
+        }
+
+private:
+        std::string sName;
+        FunctionList lFilter;
+        PerformList lPerform;
 };
 
 #endif