--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/buildrom/src/configpaging.cpp	Fri Jun 25 18:11:34 2010 +0800
@@ -0,0 +1,478 @@
+/*
+* Copyright (c) 2009 - 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+* @internalComponent * @released
+* configpaging mainfile to do configpaging in buildrom.
+*
+*/
+
+#include <boost/regex.hpp>
+#include <string>
+#include <iostream>
+#include <map>
+#include <vector>
+#include <fstream>
+#include <malloc.h>
+
+using namespace std;
+using namespace boost ;
+
+typedef const char* const_str ;
+
+static const string NULL_STRING("");
+static const char CONSTANT_UNPAGED[] = "unpaged";
+static const char CONSTANT_PAGED[] = "paged";
+static const char CONSTANT_UNPAGEDCODE[] = "unpagedcode";
+static const char CONSTANT_PAGEDCODE[]	= "pagedcode";
+static const char CONSTANT_UNPAGEDDATA[] = "unpageddata";
+static const char CONSTANT_PAGEDDATA[] = "pageddata";
+#ifdef WIN32 
+static const char CONSTANT_CONFIG_PATH[] = "epoc32\\rom\\configpaging\\";
+static string epocroot("\\");
+static const char SLASH_CHAR = '\\';
+#else
+#include <strings.h>
+#define strnicmp strncasecmp
+#define _alloca alloca
+static const char CONSTANT_CONFIG_PATH[] = "epoc32/rom/configpaging/";
+static string epocroot("/");
+static const char SLASH_CHAR = '/';
+#endif 
+static const char CONSTANT_CONFIG_FILE[] = "configpaging.cfg" ;
+#define is_undef(s)		(0 == s.length())
+static const int MAJOR_VERSION = 1;
+static const int MINOR_VERSION = 2;
+static const int BUILD_NUMBER  = 0;
+static const char COPYRIGHT[]="Copyright (c) 2010 Nokia Corporation.";
+struct ListElement{  
+	const_str code ;
+	const_str data ;	 
+}; 
+
+
+static string configlist ;
+static regex e0("^(file|data|dll|secondary)(=|\\s+)",regex::perl|regex::icase);
+static regex e1("^(code|data)?pagingoverride=(.*)\\s*",regex::perl);
+static regex e2("^(un)?paged(code|data)?(\\s+(un)?paged(code|data)?)?:",regex::perl);
+static regex e3("^include\\s*\"(.*)\"",regex::perl);
+static regex e4("(\\S+)(\\s+(un)?paged(code|data)?(\\s+(un)?paged(code|data)?)?)?",regex::perl);
+static regex e5("\\b(un)?paged(data)?\\b\\s*$",regex::perl|regex::icase);
+static regex e6("\\b(un)?paged(code)?\\b\\s*$",regex::perl|regex::icase); 
+static regex e7("\\b(un)?paged(code|data)?\\b",regex::perl|regex::icase); 
+//static regex e8("tool=|\\s+)",regex::perl|regex::icase);
+
+ 
+
+static bool is_obystatement(const char* aLine) {	 
+	if(!strnicmp(aLine,"file",4)|| !strnicmp(aLine,"data",4))
+		aLine += 4 ;
+	else if(!strnicmp(aLine,"dll",3))
+		aLine += 3;
+	else if(!strnicmp(aLine,"secondary",9))
+		aLine += 9 ;
+	else
+		return false ;
+
+	return (*aLine =='=' || *aLine == ' '|| *aLine == '\t');
+ 
+}
+static void trim(string& aStr){
+
+	char* data = const_cast<char*>(aStr.data());
+	int length = aStr.length();
+	int firstIndex = 0 ;
+	int lastIndex = length - 1;
+	// remove ending blanks	
+	while(lastIndex >= 0 && (data[lastIndex] == ' ' || data[lastIndex] == '\t')){
+		lastIndex -- ;
+	}
+
+	// remove heading blanks	
+	while((firstIndex < lastIndex ) && (data[firstIndex] == ' ' || data[firstIndex] == '\t')){
+		firstIndex ++ ;
+	}	
+	lastIndex++ ;
+	if(lastIndex < length){
+		aStr.erase(lastIndex,length - lastIndex);
+	}
+	if(firstIndex > 0){
+		aStr.erase(0,firstIndex);
+	}
+}
+static void make_lower(char* aStr,size_t aLength){
+
+	for(size_t i = 0 ; i < aLength ; i++){
+		if(aStr[i] >= 'A' && aStr[i] <= 'Z')
+			aStr[i] |= 0x20 ;
+	}
+}
+static bool readConfigFile(const_str& aCodePagingRef, const_str& aDataPagingRef,
+		map<string,ListElement>& aListRef, const_str aFileName ) {
+	ifstream is(aFileName, ios_base::binary | ios_base::in);
+	if(!is.is_open()){
+		cerr<< "Can not open \""<< aFileName << "\" for reading.\n";
+		return false ;
+	}
+	const_str filecodepaging = "";
+	const_str filedatapaging = "";
+	match_results<string::const_iterator> what;
+
+	is.seekg(0,ios::end);
+	size_t size = is.tellg();
+	is.seekg(0,ios::beg);
+
+	char *buf = new char[size + 1];
+	is.read(buf,size);
+	buf[size] = '\n' ;
+
+	char* end = buf + size ;
+	char* lineStart = buf ;
+	int lfcr ;
+	string line ;
+
+	while(lineStart < end ){
+		// trim left ;
+		while(*lineStart == ' ' || *lineStart == '\t' ){
+			lineStart++ ;
+		}
+		char* lineEnd = lineStart;
+		while(*lineEnd != '\r' && *lineEnd != '\n'){
+			lineEnd++ ;
+		}
+		if(*lineEnd == '\r' && lineEnd[1] == '\n')
+			lfcr = 2 ;
+		else
+			lfcr = 1 ;
+
+		*lineEnd = 0 ;
+		// empty line or comment
+		if(lineEnd == lineStart || *lineStart == '#' ){
+			lineStart = lineEnd + lfcr ;
+			continue ;
+		}
+		size_t lenOfLine = lineEnd - lineStart;
+		make_lower(lineStart,lenOfLine);
+		line.assign(lineStart,lenOfLine);
+			
+		if(regex_search(line, what, e1)){
+			string r1 = what[1].str();
+			string r2 = what[2].str(); 
+			if(is_undef(r1)){ //if ($1 eq undef)
+				if(r2 == "defaultpaged"){
+					aCodePagingRef = CONSTANT_PAGED ;
+				} else if(r2 == "defaultunpaged"){
+					aCodePagingRef = CONSTANT_UNPAGED ;
+					aDataPagingRef = CONSTANT_UNPAGED;
+				}else{
+					cerr << "Configpaging Warning: invalid pagingoverride setting: "<< r2 <<"\n" ;
+				}
+			}else if(r1 == "code"){
+				if(r2 == "defaultpaged"){
+					aCodePagingRef = CONSTANT_PAGED ; 
+				} else if(r2 == "defaultunpaged"){
+					aCodePagingRef = CONSTANT_UNPAGED ; 
+				}else{
+					cerr << "Configpaging Warning: invalid codepagingoverride setting: "<< r2 <<"\n" ;
+				}
+			}
+			else if(r1 == "data" ){
+				if(r2 == "defaultpaged"){
+					aDataPagingRef = CONSTANT_PAGED ; 
+				} else if(r2 == "defaultunpaged"){
+					aDataPagingRef = CONSTANT_UNPAGED ; 
+				}else{
+					cerr << "Configpaging Warning: invalid datapagingoverride setting: "<< r2 <<"\n" ;
+				}
+			}
+		}// check e1
+		else if(regex_search(line, what, e2)){
+			string r1 = what[1].str();
+			string r2 = what[2].str();	
+			string r3 = what[3].str();	
+			string r4 = what[4].str();	
+			string r5 = what[5].str();   
+			filecodepaging = "";
+			filedatapaging = "";
+			if (is_undef(r1)) {
+				if (is_undef(r2)) {
+					filecodepaging = CONSTANT_PAGED;
+				}else if (r2 == "code") {
+					filecodepaging = CONSTANT_PAGED;
+				} else if(r2 == "data") {
+					filedatapaging = CONSTANT_PAGED;
+				} else {
+					cerr << "Configpaging Warning: unrecognized line: "<< lineStart << "\n";
+				}
+			} else if (r1 == "un"){
+				if (is_undef(r2)) { //$2 eq undef
+					filecodepaging = CONSTANT_UNPAGED;
+					filedatapaging = CONSTANT_UNPAGED;
+				}else if (r2 == "code") {
+					filecodepaging = CONSTANT_UNPAGED;
+				} else if(r2 == "data") {
+					filedatapaging = CONSTANT_UNPAGED;
+				} else {
+					cerr << "Configpaging Warning: unrecognized line: "<< lineStart << "\n";
+				}
+			} else {
+				cerr << "Configpaging Warning: unrecognized line: "<< lineStart << "\n";
+			}
+			if (r3.length() > 0){		//$3 ne undef
+				if (is_undef(r4)) {
+					if (is_undef(r5)) {
+						filecodepaging = CONSTANT_PAGED;
+					}else if (r5 == "code") {
+						filecodepaging = CONSTANT_PAGED;
+					} else if(r5 == "data") {
+						filedatapaging = CONSTANT_PAGED;
+					} else {
+						cerr << "Configpaging Warning: unrecognized line: "<< lineStart << "\n";
+					}
+				} else if (r4 == "un") {
+					if (is_undef(r5)) {
+						filecodepaging = CONSTANT_UNPAGED;
+						filedatapaging = CONSTANT_UNPAGED;
+					}else if (r5 == "code") {
+						filecodepaging = CONSTANT_UNPAGED;
+					} else if(r5 == "data") {
+						filedatapaging = CONSTANT_UNPAGED;
+					} else {
+						cerr << "Configpaging Warning: unrecognized line: "<< lineStart << "\n";
+					}
+				} else {
+					 cerr << "Configpaging Warning: unrecognized line: "<< lineStart << "\n";
+				}
+			}
+		}
+		else if(regex_search(line, what, e3)){
+			string filename = epocroot + CONSTANT_CONFIG_PATH;
+			filename += what[1].str();
+			readConfigFile(aCodePagingRef, aDataPagingRef, aListRef, filename.c_str()); 
+		}
+		else if(regex_search(line, what, e4)){
+			string r1 = what[1].str();
+			string r2 = what[2].str();	
+			string r3 = what[3].str();	
+			string r4 = what[4].str();	
+			string r5 = what[5].str();	
+			string r6 = what[6].str();	
+			string r7 = what[7].str(); 
+			ListElement element = {aCodePagingRef, aDataPagingRef};
+			if (is_undef(r2)){ //($2 eq undef){
+				if (0 != *filecodepaging){//filecodepaging ne "") 
+					element.code = filecodepaging;	//$element{code} = $filecodepaging;
+				}
+				if ( 0 != *filedatapaging){//$filedatapaging ne "") 
+					element.data = filedatapaging ;//element.data = $filedatapaging;
+				}
+			} else {
+				if (is_undef(r4)){//$4 eq undef
+					if (is_undef(r3)) {//$3 eq undef
+						element.code = CONSTANT_PAGED; 
+					} else if (r3 == "un") {
+						element.code = CONSTANT_UNPAGED; 
+						element.data = CONSTANT_UNPAGED; 
+					}
+				} else if (r4 == "code") {
+					if (is_undef(r3)) {
+						element.code = CONSTANT_PAGED;
+					} else if (r3 == "un") {
+						element.code = CONSTANT_UNPAGED;
+					}
+				} else if (r4 == "data") {
+					if (is_undef(r3)) {
+						element.data = CONSTANT_PAGED;
+					} else if (r3 == "un") {
+						element.data = CONSTANT_UNPAGED;
+					}
+				} else {
+					cerr << "Configpaging Warning: unrecognized attribute in line: "<< lineStart << "\n";
+				}
+				if (r5.length() > 0){//$5 ne undef
+					if (is_undef(r7)){ //$7 eq undef
+						if (is_undef(r6)) { //$6 eq undef
+							element.code = CONSTANT_PAGED; 
+						} else if (r6 == "un") {
+							element.code = CONSTANT_UNPAGED; 
+							element.data = CONSTANT_UNPAGED; 
+						}
+					} else if (r7 == "code") {
+						if (is_undef(r6)) {
+							element.code = CONSTANT_PAGED;
+						} else if (r6 == "un") {
+							element.code = CONSTANT_UNPAGED;
+						}
+					} else if (r7 == "data") {
+						if (is_undef(r6)) {
+							element.data = CONSTANT_PAGED;
+						} else if (r6 == "un") {
+							element.data = CONSTANT_UNPAGED;
+						}
+					} else {
+						cerr << "Configpaging Warning: unrecognized attribute in line: "<< lineStart << "\n";
+					}
+				}
+			}	
+			//$$listref{$1} = \%element;
+			aListRef.insert(pair<string,ListElement>(r1,element));
+		}
+		lineStart = lineEnd + lfcr ;
+	}
+
+	delete []buf ;
+	is.close(); 
+	
+	return true ;
+}
+
+static bool match_icase(const string& a, const string& b){
+	int la = a.length();
+	int lb = b.length();
+	char *copyOfA = (char*)_alloca(la+2);
+	*copyOfA = ' ';
+	copyOfA++ ;
+	memcpy(copyOfA ,a.c_str(),la);
+	copyOfA[la] = 0;
+	char* end = &copyOfA[la];
+	make_lower(copyOfA,la);
+	while(copyOfA < end){
+		char *found = strstr(copyOfA,b.c_str()); 
+		if(0 == found)
+			return false ;
+		if((found[-1] == ' ' || found[-1] == '\\'|| found[-1] == '/'|| found[-1] == '\t' || found[-1] == '"'|| found[-1] == '=') &&
+					( found[lb] == ' '|| found[lb] == '\t' || found[lb] == '"'|| found[lb] == '\0'))
+			return true ;
+		copyOfA = found + lb ;		 
+	}
+
+	return false ;
+}
+
+static void configpaging_single(){
+
+	const_str codepaging="";
+	const_str datapaging="";
+	map<string, ListElement> list ;
+	vector<string> keys ;//my @keys;
+    string line ;
+
+	cerr << "configpaging.exe: Modifying demand paging configuration using "<< configlist <<"\n";
+	readConfigFile(codepaging, datapaging, list, configlist.c_str());
+	match_results<string::const_iterator> what;
+	string codepagingadd ,datapagingadd ;
+	while(true){
+		getline(cin,line); 		 
+		if(cin.eof()) break ;
+		if(line == ":q") break ;
+		trim(line);
+		const char* lineData = line.data();
+		if(*lineData == '#' ){
+			cout << lineData << "\n" ;
+			continue ;
+		}		 
+		int length = line.length();
+		if( length > 2){
+			//check rem 			
+			if((lineData[0] == 'R' || lineData[0] == 'r' ) && (lineData[1] == 'E' || lineData[1] == 'e' ) && (lineData[2] == 'M' || lineData[2] == 'm' )){
+				cout << lineData << "\n" ;
+				continue ;
+			}
+		}
+		codepagingadd = "";
+		datapagingadd = ""; 
+
+		if(is_obystatement(lineData)){
+			for( map<string,ListElement>::iterator it  = list.begin() ; it != list.end() ; it++){
+				if(match_icase(line,it->first) ){
+					if (it->second.code == CONSTANT_PAGED ){ 
+						codepagingadd += " " ;
+						codepagingadd += CONSTANT_PAGEDCODE;
+					} else if (it->second.code == CONSTANT_UNPAGED) {  
+						codepagingadd += " " ;
+						codepagingadd += CONSTANT_UNPAGEDCODE;
+					} 
+					if (it->second.data == CONSTANT_PAGED) {  
+						datapagingadd += " " ;
+						datapagingadd += CONSTANT_PAGEDDATA;
+					} else if  (it->second.data == CONSTANT_UNPAGED) {  
+						datapagingadd += " " ;
+						datapagingadd += CONSTANT_UNPAGEDDATA;
+					}
+					break ;
+				}
+			}//for 
+			if (codepagingadd.length() == 0 && 0 != *codepaging) {//!$codepagingadd and $codepaging
+				codepagingadd = " " ;
+				codepagingadd += codepaging ;
+				codepagingadd += "code";
+			}
+			if (datapagingadd.length() == 0 &&  0 != *datapaging) { //!$datapagingadd and $datapaging
+				datapagingadd = " " ;
+				datapagingadd += datapaging ;
+				datapagingadd += "data";
+					}
+			if (codepagingadd.length() > 0 && datapagingadd.length() == 0){ //$codepagingadd and !$datapagingadd
+				if (regex_search(line,what,e5)){  //$line =~ /\b(un)?paged(data)?\b\s*$/) { //$line =~ /\b(un)?paged(data)?\b\s*$/
+					datapagingadd = " " ;
+					if(what[1].length() > 0)
+					{
+						datapagingadd += what[1].str();
+						datapagingadd += "pageddata";
+					}
+				}
+			} else if (datapagingadd.length() > 0 && codepagingadd.length() == 0) {//$datapagingadd and !$codepagingadd
+				if (regex_search(line,what,e6)){
+					codepagingadd = " " ;
+					codepagingadd += what[1].str();
+					codepagingadd += "pagedcode";
+				}
+			}
+			if (datapagingadd.length() > 0 || datapagingadd.length() > 0) { // $datapagingadd or $datapagingadd
+				line = regex_replace(line,e7,NULL_STRING);
+			} 
+		}
+		cout << line << codepagingadd << datapagingadd  << "\n";
+
+	}
+}
+// 
+int main(int argc , char* argv[]) {
+ 
+	char* tmp = getenv("EPOCROOT"); 
+	if(tmp && *tmp)
+		epocroot = string(tmp);
+	char ch = epocroot.at(epocroot.length() - 1);
+	if(ch != '\\' && ch != '/')
+		epocroot += SLASH_CHAR;
+	
+	if(argc > 1 ){
+		char* arg = argv[1];
+		if('-' == *arg && (arg[1] | 0x20) == 'v'){
+			cout << "configpaging - The paging configuration plugin for BUILDROM V" ;
+			cout << MAJOR_VERSION << "."<< MINOR_VERSION << "." << BUILD_NUMBER<< endl;			
+			cout << COPYRIGHT << endl << endl; 
+			return 0;
+		}
+		configlist = epocroot + CONSTANT_CONFIG_PATH; 
+		configlist += string(arg);
+	}
+	else{
+		configlist = epocroot + CONSTANT_CONFIG_PATH;
+		configlist += CONSTANT_CONFIG_FILE;
+	}
+	configpaging_single(); 	
+
+	return 0;
+}
+