Seemingly working VersionInfo loading parts. The offset names are now all wrong in the modules. DO NOT USE

data/Memory-ng.xml

@@ -813,6 +813,9 @@
             <class name="buildingst"/>
         </VTable>
         <Offsets>
+            <Address name="WORLD" description="A huge object that many things in DF are part of. Contains the whole game and can be used as a base
+            for many of the addresses." />
+            <HexValue name="sdasdasdizeof" description="The total size in bytes." />
             <Group name="vector" description="An STL vector.">
                 <HexValue name="sizeof" description="The total size in bytes." />
                 <Offset name="start" description="The offset where the actual start/end/alloc_end triplet is." />
@@ -1407,7 +1410,7 @@
     <!-- Windows logo by Microsoft -->
     <!-- Tux logo by the Linux guys :) -->
 
-    <Version version="v0.31.05 linux" os="linux" base="DF2010">
+    <Version name="v0.31.05 linux" os="linux" base="DF2010">
         <MD5 value="fea3801a26538b1741f3cc9294139fca" />
         <Offsets>
             <Address name="WORLD" value="0x92C60E0" valid="false" />
@@ -1603,7 +1606,7 @@
             </Group>
         </Offsets>
     </Version>
-    <Version version="v0.31.06 linux" os="linux" base="v0.31.05 linux" rebase="-0x20E0">
+    <Version name="v0.31.06 linux" os="linux" base="v0.31.05 linux" rebase="-0x20E0">
         <MD5 value="13a1c19e8f59b74e307e094e2a0f28c3" />
         <Offsets>
             <Address name="WORLD" value="0x92C4000" />
@@ -1618,18 +1621,18 @@
             0x92d7a10
         </Offsets>
     </Version>
-    <Version version="v0.31.07 linux" os="linux" base="v0.31.06 linux" rebase="0x2000">
+    <Version name="v0.31.07 linux" os="linux" base="v0.31.06 linux" rebase="0x2000">
         <MD5 value="b31979551782e89c049b11db8d2d86d7" />
     </Version>
-    <Version version="v0.31.08 linux" os="linux" base="v0.31.07 linux">
+    <Version name="v0.31.08 linux" os="linux" base="v0.31.07 linux">
         <MD5 value="e37750890350d7b9d8203879aff8fa5c" />
     </Version>
-    <Version version="v0.31.09 linux" os="linux" base="v0.31.08 linux" rebase="0x11000">
+    <Version name="v0.31.09 linux" os="linux" base="v0.31.08 linux" rebase="0x11000">
         <!-- TODO: fix creature offsets -->
         <!-- TODO: small offsets added all over the place, investigate -->
         <MD5 value="4f1f988bc1b425d4193d3d8b7b0579a5" />
     </Version>
-    <Version version="v0.31.10 linux" os="linux" base="v0.31.09 linux">
+    <Version name="v0.31.10 linux" os="linux" base="v0.31.09 linux">
         <MD5 value="3e7bea269018a6fb88ef53715685aa64" />
         <Offsets>
             <Group name="Buildings">
@@ -1647,17 +1650,19 @@
             <multiclass name="building_siegeenginest" typeoffset="0xC0" />
         </VTable>
     </Version>
-    <Version version="v0.31.11 linux" os="linux" base="v0.31.10 linux" rebase="0x1D020">
+    <Version name="v0.31.11 linux" os="linux" base="v0.31.10 linux" rebase="0x1D020">
         <!-- BIG rebase, possible broken stuff -->
         <MD5 value="7b04ad536b8b657588ac209a7f95e1d1" />
         <Offsets>
+            <Group name="Position">
                 <Address name="window_x" value="0x8cf7a58" /> VERIFIED
                 <Address name="window_y" value="0x8cf7a5C" /> VERIFIED
                 <Address name="window_z" value="0x8cf7a60" /> VERIFIED
                 <Address name="cursor_xyz" value="0x8b3b328" /> VERIFIED
+            </Group>
         </Offsets>
     </Version>
-    <Version version="v0.31.12 linux" os="linux" base="v0.31.11 linux" rebase="-0x1000">
+    <Version name="v0.31.12 linux" os="linux" base="v0.31.11 linux" rebase="-0x1000">
         <MD5 value="e79cead03187ecb692961b316b7cdcd4" />
     </Version>
 </DFHack>

library/CMakeLists.txt

@@ -27,10 +27,10 @@ include_directories (${CMAKE_SOURCE_DIR}/library/depends/argstream/)
 include_directories (${CMAKE_SOURCE_DIR}/library/private/)
 
 SET(PROJECT_HDRS
-private/VersionInfoFactory.h
 private/ContextShared.h
 private/Internal.h
 include/dfhack/DFError.h
+include/dfhack/VersionInfoFactory.h
 include/dfhack/VersionInfo.h
 include/dfhack/DFProcessEnumerator.h
 include/dfhack/DFProcess.h

library/DFContextManager.cpp

@@ -23,8 +23,8 @@ distribution.
 */
 
 #include "Internal.h"
-#include "VersionInfoFactory.h"
 
+#include "dfhack/VersionInfoFactory.h"
 #include "dfhack/DFProcess.h"
 #include "dfhack/DFProcessEnumerator.h"
 #include "dfhack/DFError.h"

library/DFProcess-linux.cpp

@@ -120,6 +120,7 @@ bool NormalProcess::Private::validate(char * exe_file,uint32_t pid, char * memFi
     {
         try
         {
+            //cout << hash << " ?= " << (*it)->getMD5() << endl;
             if(hash == (*it)->getMD5()) // are the md5 hashes the same?
             {
                 VersionInfo * m = *it;

library/DFProcessEnumerator.cpp

@@ -23,8 +23,8 @@ distribution.
 */
 
 #include "Internal.h"
-#include "VersionInfoFactory.h"
 
+#include "dfhack/VersionInfoFactory.h"
 #include "dfhack/DFProcessEnumerator.h"
 #include "dfhack/DFProcess.h"
 #include "dfhack/VersionInfo.h"

library/VersionInfo.cpp

@@ -87,132 +87,195 @@ namespace DFHack
  */
 namespace DFHack
 {
+    typedef pair <bool, uint32_t> nullableUint32;
+    typedef map <string, nullableUint32 >::iterator uint32_Iter;
+    typedef pair <bool, int32_t> nullableInt32;
+    typedef map <string, nullableInt32 >::iterator int32_Iter;
+    typedef pair <bool, string> nullableString;
+    typedef map <string, nullableString >::iterator strings_Iter;
+    typedef map <string, OffsetGroup *>::iterator groups_Iter;
     class OffsetGroupPrivate
     {
         public:
-        map <string, uint32_t> addresses;
+        map <string, nullableUint32 > addresses;
-        map <string, int32_t> offsets;
+        map <string, nullableUint32 > hexvals;
-        map <string, uint32_t> hexvals;
+        map <string, nullableInt32 > offsets;
-        map <string, string> strings;
+        map <string, nullableString > strings;
-        map <string, OffsetGroup> groups;
+        map <string, OffsetGroup *> groups;
     };
 }
 
+void OffsetGroup::createOffset(const string & key)
+{
+    OGd->offsets[key] = nullableInt32(false, 0);
+}
+
+void OffsetGroup::createAddress(const string & key)
+{
+    OGd->addresses[key] = nullableUint32(false, 0);
+}
+
+void OffsetGroup::createHexValue(const string & key)
+{
+    OGd->hexvals[key] = nullableUint32(false, 0);
+}
+
+void OffsetGroup::createString(const string & key)
+{
+    OGd->strings[key] = nullableString(false, std::string());
+}
 
 void OffsetGroup::setOffset (const string & key, const string & value)
+{
+    int32_Iter it;
+    if((it = OGd->offsets.find(key)) != OGd->offsets.end())
     {
         int32_t offset = strtol(value.c_str(), NULL, 16);
-    d->offsets[key] = offset;
+        (*it).second.second = offset;
+        (*it).second.first = true;
+    }
+    else throw Error::MissingMemoryDefinition("offset", key);
 }
 
 
 void OffsetGroup::setAddress (const string & key, const string & value)
 {
-    uint32_t address = strtol(value.c_str(), NULL, 16);
+    uint32_Iter it;
-    d->addresses[key] = address;
+    if((it = OGd->addresses.find(key)) != OGd->addresses.end())
+    {
+        int32_t address = strtol(value.c_str(), NULL, 16);
+        (*it).second.second = address;
+        (*it).second.first = true;
+    }
+    else throw Error::MissingMemoryDefinition("address", key);
 }
 
 
 void OffsetGroup::setHexValue (const string & key, const string & value)
 {
-    uint32_t hexval = strtol(value.c_str(), NULL, 16);
+    uint32_Iter it;
-    d->hexvals[key] = hexval;
+    if((it = OGd->hexvals.find(key)) != OGd->hexvals.end())
+    {
+        (*it).second.second = strtol(value.c_str(), NULL, 16);
+        (*it).second.first = true;
+    }
+    else throw Error::MissingMemoryDefinition("hexvalue", key);
 }
 
 
 void OffsetGroup::setString (const string & key, const string & value)
 {
-    d->strings[key] = value;
+    strings_Iter it;
+    if((it = OGd->strings.find(key)) != OGd->strings.end())
+    {
+        (*it).second.second = value;
+        (*it).second.first = true;
+    }
+    else throw Error::MissingMemoryDefinition("string", key);
 }
 
 
 // Get named address
-uint32_t OffsetGroup::getAddress (const char *key)
+uint32_t OffsetGroup::getAddress (const string & key)
 {
-    map <string, uint32_t>::iterator iter = d->addresses.find(key);
+    uint32_Iter iter = OGd->addresses.find(key);
 
-    if(iter != d->addresses.end())
+    if(iter != OGd->addresses.end())
     {
-        return (*iter).second;
+        if((*iter).second.first)
+            return (*iter).second.second;
+        throw Error::UnsetMemoryDefinition("address", key);
     }
     throw Error::MissingMemoryDefinition("address", key);
 }
 
 
 // Get named offset
-int32_t OffsetGroup::getOffset (const char *key)
+int32_t OffsetGroup::getOffset (const string & key)
 {
-    map <string, int32_t>::iterator iter = d->offsets.find(key);
+    int32_Iter iter = OGd->offsets.find(key);
-    if(iter != d->offsets.end())
+    if(iter != OGd->offsets.end())
     {
-        return (*iter).second;
+        if((*iter).second.first)
+            return (*iter).second.second;
+        throw Error::UnsetMemoryDefinition("offset", key);
     }
     throw Error::MissingMemoryDefinition("offset", key);
 }
 
 
 // Get named numerical value
-uint32_t OffsetGroup::getHexValue (const char *key)
+uint32_t OffsetGroup::getHexValue (const string & key)
 {
-    map <string, uint32_t>::iterator iter = d->hexvals.find(key);
+    uint32_Iter iter = OGd->hexvals.find(key);
-    if(iter != d->hexvals.end())
+    if(iter != OGd->hexvals.end())
     {
-        return (*iter).second;
+        if((*iter).second.first)
+            return (*iter).second.second;
+        throw Error::UnsetMemoryDefinition("hexvalue", key);
     }
     throw Error::MissingMemoryDefinition("hexvalue", key);
 }
 
-
+// Get named string
-// Get named address
+std::string OffsetGroup::getString (const string &key)
-uint32_t OffsetGroup::getAddress (const string &key)
 {
-    map <string, uint32_t>::iterator iter = d->addresses.find(key);
+    strings_Iter iter = OGd->strings.find(key);
-
+    if(iter != OGd->strings.end())
-    if(iter != d->addresses.end())
     {
-        return (*iter).second;
+        if((*iter).second.first)
+            return (*iter).second.second;
+        throw Error::UnsetMemoryDefinition("string", key);
     }
-    throw Error::MissingMemoryDefinition("address", key.c_str());
+    throw Error::MissingMemoryDefinition("string", key);
 }
 
-
+OffsetGroup * OffsetGroup::getGroup(const std::string &name)
-// Get named offset
-int32_t OffsetGroup::getOffset (const string &key)
 {
-    map <string, int32_t>::iterator iter = d->offsets.find(key);
+    groups_Iter iter = OGd->groups.find(name);
-    if(iter != d->offsets.end())
+    if(iter != OGd->groups.end())
-    {
+        return ((*iter).second);
-        return (*iter).second;
+    return 0;
-    }
-    throw Error::MissingMemoryDefinition("offset", key.c_str());
 }
 
+OffsetGroup * OffsetGroup::createGroup(const std::string &name)
+{
+    OffsetGroup * ret = getGroup(name);
+    if(ret)
+        return ret;
+    ret = new OffsetGroup();
+    OGd->groups[name] = ret;
+    return ret;
+}
 
-// Get named numerical value
+void OffsetGroup::RebaseAddresses(int32_t offset)
-uint32_t OffsetGroup::getHexValue (const string &key)
 {
-    map <string, uint32_t>::iterator iter = d->hexvals.find(key);
+    for(uint32_Iter iter = OGd->addresses.begin(); iter != OGd->addresses.end(); iter++)
-    if(iter != d->hexvals.end())
+    {
+        if(iter->second.first)
+            OGd->addresses[iter->first].second = iter->second.second + offset;
+    }
+    for(groups_Iter iter = OGd->groups.begin(); iter != OGd->groups.end(); iter++)
     {
-        return (*iter).second;
+        (*iter).second->RebaseAddresses(offset);
     }
-    throw Error::MissingMemoryDefinition("hexvalue", key.c_str());
 }
 
+OffsetGroup::OffsetGroup()
+{
+    OGd = new OffsetGroupPrivate();
+}
 
-// Get named string
+OffsetGroup::~OffsetGroup()
-std::string OffsetGroup::getString (const string &key)
 {
-    map <string, string>::iterator iter = d->strings.find(key);
+    for(groups_Iter it = OGd->groups.begin();it != OGd->groups.end();it++)
-    if(iter != d->strings.end())
     {
-        return (*iter).second;
+        delete (*it).second;
     }
-    throw Error::MissingMemoryDefinition("string", key.c_str());
+    OGd->groups.clear();
+    delete OGd;
 }
 
-
-
 /*
  * Private data
  */
@@ -221,11 +284,6 @@ namespace DFHack
     class VersionInfoPrivate
     {
         public:
-        map <string, uint32_t> addresses;
-        map <string, int32_t> offsets;
-        map <string, uint32_t> hexvals;
-        map <string, string> strings;
-
         vector<string> professions;
         vector<string> jobs;
         vector<string> skills;
@@ -277,16 +335,26 @@ VersionInfo::VersionInfo(const VersionInfo &old)
     copy(&old);
 }
 
+void OffsetGroup::copy(const OffsetGroup * old)
+{
+    OGd->addresses = old->OGd->addresses;
+    OGd->offsets = old->OGd->offsets;
+    OGd->hexvals = old->OGd->hexvals;
+    OGd->strings = old->OGd->strings;
+    for(groups_Iter it = old->OGd->groups.begin(); it != old->OGd->groups.end(); it++)
+    {
+        OffsetGroup * ogn = new OffsetGroup();
+        ogn->copy((*it).second);
+        OGd->groups[(*it).first] = ogn;
+    }
+}
+
 void VersionInfo::copy(const VersionInfo * old)
 {
     d->version = old->d->version;
     d->OS = old->d->OS;
     d->md5 = old->d->md5;
     d->PE_timestamp = old->d->PE_timestamp;
-    d->addresses = old->d->addresses;
-    d->offsets = old->d->offsets;
-    d->hexvals = old->d->hexvals;
-    d->strings = old->d->strings;
     d->base = old->d->base;
     //d->classes = old.d->classes;
     for(uint32_t i = 0; i < old->d->classes.size(); i++)
@@ -303,6 +371,7 @@ void VersionInfo::copy(const VersionInfo * old)
     d->labors = old->d->labors;
     d->levels = old->d->levels;
     d->moods = old->d->moods;
+    OffsetGroup::copy(reinterpret_cast<const OffsetGroup *>(old));
 }
 
 void VersionInfo::setParentProcess(Process * _p)
@@ -677,12 +746,7 @@ const vector<string> * VersionInfo::getClassIDMapping()
 // change base of all addresses
 void VersionInfo::RebaseAddresses(const int32_t new_base)
 {
-    map<string, uint32_t>::iterator iter;
+    OffsetGroup::RebaseAddresses(- (int32_t)d->base + new_base);
-    int32_t rebase = - (int32_t)d->base + new_base;
-    for(iter = d->addresses.begin(); iter != d->addresses.end(); iter++)
-    {
-        d->addresses[iter->first] = iter->second + rebase;
-    }
 }
 
 
@@ -841,25 +905,27 @@ std::string VersionInfo::PrintOffsets()
             ss << " UNKNOWN" << endl;
     }
     ss << "<Offsets>" << endl;
+    /*
     map<string,uint32_t>::const_iterator iter;
-    for(iter = d->addresses.begin(); iter != d->addresses.end(); iter++)
+    for(iter = OGd->addresses.begin(); iter != OGd->addresses.end(); iter++)
     {
         ss << "    <Address name=\"" << (*iter).first << "\" value=\"" << hex << "0x" << (*iter).second << "\" />" << endl;
     }
     map<string,int32_t>::const_iterator iter2;
-    for(iter2 = d->offsets.begin(); iter2 != d->offsets.end(); iter2++)
+    for(iter2 = OGd->offsets.begin(); iter2 != OGd->offsets.end(); iter2++)
     {
         ss << "    <Offset name=\"" << (*iter2).first << "\" value=\"" << hex << "0x" << (*iter2).second <<"\" />" << endl;
     }
-    for(iter = d->hexvals.begin(); iter != d->hexvals.end(); iter++)
+    for(iter = OGd->hexvals.begin(); iter != OGd->hexvals.end(); iter++)
     {
         ss << "    <HexValue name=\"" << (*iter).first << "\" value=\"" << hex << "0x" << (*iter).second <<"\" />" << endl;
     }
     map<string,string>::const_iterator iter3;
-    for(iter3 = d->strings.begin(); iter3 != d->strings.end(); iter3++)
+    for(iter3 = OGd->strings.begin(); iter3 != OGd->strings.end(); iter3++)
     {
         ss << "    <String name=\"" << (*iter3).first << "\" value=\"" << (*iter3).second <<"\" />" << endl;
     }
+    */
     ss << "</Offsets>" << endl;
     ss << "</Version>" << endl;
     return ss.str();

library/VersionInfoFactory.cpp

@@ -23,10 +23,11 @@ distribution.
 */
 
 #include "Internal.h"
-#include "VersionInfoFactory.h"
 
+#include "dfhack/VersionInfoFactory.h"
 #include "dfhack/VersionInfo.h"
 #include "dfhack/DFError.h"
+#include <algorithm>
 
 using namespace DFHack;
 
@@ -94,6 +95,167 @@ void VersionInfoFactory::ParseVTable(TiXmlElement* vtable, VersionInfo* mem)
     }
 }
 
+// FIXME: this is ripe for replacement with a more generic approach
+void VersionInfoFactory::ParseOffsets(TiXmlElement * parent, VersionInfo* target, bool initial)
+{
+    // we parse the groups iteratively instead of recursively
+    // breadcrubs acts like a makeshift stack
+    // first pair entry stores the current element of that level
+    // second pair entry the group object from OffsetGroup
+    typedef pair < TiXmlElement *, OffsetGroup * > groupPair;
+    vector< groupPair > breadcrumbs;
+    {
+        TiXmlElement* pEntry;
+        // we get the <Offsets>, look at the children
+        pEntry = parent->FirstChildElement();
+        if(!pEntry)
+            return;
+
+        OffsetGroup * currentGroup = reinterpret_cast<OffsetGroup *> (target);
+        breadcrumbs.push_back(groupPair(pEntry,currentGroup));
+    }
+
+    // work variables
+    OffsetGroup * currentGroup = 0;
+    TiXmlElement * currentElem = 0;
+    cerr << "<Offsets>"<< endl;
+    while(1)
+    {
+        // get current work variables
+        currentElem = breadcrumbs.back().first;
+        currentGroup = breadcrumbs.back().second;
+
+        // we reached the end of the current group?
+        if(!currentElem)
+        {
+            // go one level up
+            breadcrumbs.pop_back();
+            // exit if no more work
+            if(breadcrumbs.empty())
+            {
+                break;
+            }
+            else
+            {
+                cerr << "</group>" << endl;
+                continue;
+            }
+        }
+
+        if(!currentGroup)
+        {
+            groupPair & gp = breadcrumbs.back();
+            gp.first = gp.first->NextSiblingElement();
+            continue;
+        }
+
+        // skip non-elements
+        if (currentElem->Type() != TiXmlNode::ELEMENT)
+        {
+            groupPair & gp = breadcrumbs.back();
+            gp.first = gp.first->NextSiblingElement();
+            continue;
+        }
+
+        // we have a valid current element and current group
+        // get properties
+        string type = currentElem->Value();
+        std::transform(type.begin(), type.end(), type.begin(), ::tolower);
+        const char *cstr_name = currentElem->Attribute("name");
+        if(!cstr_name)
+        {
+            // ERROR, missing attribute
+        }
+
+        // evaluate elements
+        const char *cstr_value = currentElem->Attribute("value");
+        if(type == "group")
+        {
+            // FIXME: possibly use setGroup always, with the initial flag as parameter?
+            // create or get group
+            OffsetGroup * og;
+            if(initial)
+                og = currentGroup->createGroup(cstr_name);
+            else
+                og = currentGroup->getGroup(cstr_name);
+            cerr << "<group name=\"" << cstr_name << "\">" << endl;
+            // advance this level to the next element
+            groupPair & gp = breadcrumbs.back();
+            gp.first = gp.first->NextSiblingElement();
+
+            // add a new level that will be processed next
+            breadcrumbs.push_back(groupPair(currentElem->FirstChildElement(), og));
+            continue;
+        }
+        else if(type == "address")
+        {
+            if(initial)
+            {
+                currentGroup->createAddress(cstr_name);
+            }
+            else if(cstr_value)
+            {
+                currentGroup->setAddress(cstr_name, cstr_value);
+            }
+            else
+            {
+                // ERROR, missing attribute
+            }
+        }
+        else if(type == "offset")
+        {
+            if(initial)
+            {
+                currentGroup->createOffset(cstr_name);
+            }
+            else if(cstr_value)
+            {
+                currentGroup->setOffset(cstr_name, cstr_value);
+            }
+            else
+            {
+                // ERROR, missing attribute
+            }
+        }
+        else if(type == "string")
+        {
+            if(initial)
+            {
+                currentGroup->createString(cstr_name);
+            }
+            else if(cstr_value)
+            {
+                currentGroup->setString(cstr_name, cstr_value);
+            }
+            else
+            {
+                // ERROR, missing attribute
+            }
+        }
+        else if(type == "hexvalue")
+        {
+            if(initial)
+            {
+                currentGroup->createHexValue(cstr_name);
+            }
+            else if(cstr_value)
+            {
+                currentGroup->setHexValue(cstr_name, cstr_value);
+            }
+            else
+            {
+                // ERROR, missing attribute
+            }
+        }
+
+        // advance to next element
+        groupPair & gp = breadcrumbs.back();
+        gp.first = gp.first->NextSiblingElement();
+        continue;
+    }
+    cerr << "</Offsets>"<< endl;
+}
+
 void VersionInfoFactory::ParseBase (TiXmlElement* entry, VersionInfo* mem)
 {
     TiXmlElement* pElement;
@@ -121,12 +283,12 @@ void VersionInfoFactory::ParseBase (TiXmlElement* entry, VersionInfo* mem)
         else if(type == "Offsets")
         {
             // we don't care about the descriptions here, do nothing
-            //ParseBaseOffsets(pMemEntry, mem);
+            ParseOffsets(pElement, mem, true);
             continue;
         }
         else if (type == "Professions")
         {
-            pElement2nd = entry->FirstChildElement("Profession")->ToElement();
+            pElement2nd = entry->FirstChildElement("Profession");
             for(;pElement2nd;pElement2nd=pElement2nd->NextSiblingElement("Profession"))
             {
                 const char * id = pElement2nd->Attribute("id");
@@ -145,7 +307,7 @@ void VersionInfoFactory::ParseBase (TiXmlElement* entry, VersionInfo* mem)
         }
         else if (type == "Jobs")
         {
-            pElement2nd = entry->FirstChildElement("Job")->ToElement();
+            pElement2nd = entry->FirstChildElement("Job");
             for(;pElement2nd;pElement2nd=pElement2nd->NextSiblingElement("Job"))
             {
                 const char * id = pElement2nd->Attribute("id");
@@ -163,7 +325,7 @@ void VersionInfoFactory::ParseBase (TiXmlElement* entry, VersionInfo* mem)
         }
         else if (type == "Skills")
         {
-            pElement2nd = entry->FirstChildElement("Skill")->ToElement();
+            pElement2nd = entry->FirstChildElement("Skill");
             for(;pElement2nd;pElement2nd=pElement2nd->NextSiblingElement("Skill"))
             {
                 const char * id = pElement2nd->Attribute("id");
@@ -181,7 +343,7 @@ void VersionInfoFactory::ParseBase (TiXmlElement* entry, VersionInfo* mem)
         }
         else if (type == "Traits")
         {
-            pElement2nd = entry->FirstChildElement("Trait")->ToElement();
+            pElement2nd = entry->FirstChildElement("Trait");
             for(;pElement2nd;pElement2nd=pElement2nd->NextSiblingElement("Trait"))
             {
                 const char * id = pElement2nd->Attribute("id");
@@ -205,7 +367,7 @@ void VersionInfoFactory::ParseBase (TiXmlElement* entry, VersionInfo* mem)
         }
         else if (type == "Labors")
         {
-            pElement2nd = entry->FirstChildElement("Labor")->ToElement();
+            pElement2nd = entry->FirstChildElement("Labor");
             for(;pElement2nd;pElement2nd=pElement2nd->NextSiblingElement("Labor"))
             {
                 const char * id = pElement2nd->Attribute("id");
@@ -223,7 +385,7 @@ void VersionInfoFactory::ParseBase (TiXmlElement* entry, VersionInfo* mem)
         }
         else if (type == "Levels")
         {
-            pElement2nd = entry->FirstChildElement("Level")->ToElement();
+            pElement2nd = entry->FirstChildElement("Level");
             for(;pElement2nd;pElement2nd=pElement2nd->NextSiblingElement("Level"))
             {
                 const char * id = pElement2nd->Attribute("id");
@@ -242,7 +404,7 @@ void VersionInfoFactory::ParseBase (TiXmlElement* entry, VersionInfo* mem)
         }
         else if (type == "Moods")
         {
-            pElement2nd = entry->FirstChildElement("Mood")->ToElement();
+            pElement2nd = entry->FirstChildElement("Mood");
             for(;pElement2nd;pElement2nd=pElement2nd->NextSiblingElement("Mood"))
             {
                 const char * id = pElement2nd->Attribute("id");
@@ -276,7 +438,6 @@ void VersionInfoFactory::EvalVersion(string base, VersionInfo * mem)
             VersionInfo * newmem = new VersionInfo();
             ParseVersion(desc.first, newmem);
             desc.second = newmem;
-            versions.push_back(newmem);
         }
         mem->copy(desc.second);
     }
@@ -345,29 +506,7 @@ void VersionInfoFactory::ParseVersion (TiXmlElement* entry, VersionInfo* mem)
         }
         else if(type == "Offsets")
         {
-            /*
+            ParseOffsets(pMemEntry, mem);
-            if (type == "HexValue")
-            {
-                mem->setHexValue(name, value);
-            }
-            else if (type == "Address")
-            {
-                mem->setAddress(name, value);
-            }
-            else if (type == "Offset")
-            {
-                mem->setOffset(name, value);
-            }
-            else if (type == "String")
-            {
-                mem->setString(name, value);
-            }
-            else
-            {
-                throw Error::MemoryXmlUnknownType(type.c_str());
-            }
-            */
-            //ParseOffsets(pMemEntry, mem);
             continue;
         }
         else if (type == "MD5")
@@ -382,7 +521,7 @@ void VersionInfoFactory::ParseVersion (TiXmlElement* entry, VersionInfo* mem)
             const char *cstr_value = pMemEntry->Attribute("value");
             if(!cstr_value)
                 throw Error::MemoryXmlUnderspecifiedEntry(cstr_name);
-            mem->setPE(atol(cstr_value));
+            mem->setPE(strtol(cstr_value, 0, 16));
         }
     } // for
 } // method
@@ -446,6 +585,7 @@ bool VersionInfoFactory::loadFile(string path_to_xml)
             {
                 string str_name = name;
                 VersionInfo *base = new VersionInfo();
+                mem = new VersionInfo();
                 ParseBase( pMemInfo , mem );
                 knownVersions[str_name] = v_descr (pMemInfo, mem);
             }

library/include/dfhack/DFError.h

@@ -78,10 +78,10 @@ namespace DFHack
         class DFHACK_EXPORT MissingMemoryDefinition : public std::exception
         {
         public:
-            MissingMemoryDefinition(const char* _type, const char* _key) : type(_type), key(_key)
+            MissingMemoryDefinition(const char* _type, const std::string _key) : type(_type), key(_key)
             {
                 std::stringstream s;
-                s << "memory definition missing: type " << type << " key " << key;
+                s << "memory object not declared: type " << type << " key " << key;
                 full = s.str();
             }
             // Used by functios using integer keys, such as getTrait
@@ -92,24 +92,44 @@ namespace DFHack
                 key = s1.str();
                 
                 std::stringstream s;
-                s << "memory definition missing: type " << type << " key " << key;
+                s << "memory object not declared: type " << type << " key " << key;
                 full = s.str();
             }
             virtual ~MissingMemoryDefinition() throw(){};
 
-            // (perhaps it should be an enum, but this is intended for easy printing/logging)
+            std::string full;
-            // type can be any of the following:
+            const std::string type;
-            //
+            std::string key;
-            // address
+
-            // offset
+            virtual const char* what() const throw()
-            // hexvalue
+            {
-            // string
+                return full.c_str();
-            // profession
+            }
-            // job
+        };
-            // skill
+
-            // trait
+        // a call to DFHack::mem_info::get* failed
-            // traitname
+        class DFHACK_EXPORT UnsetMemoryDefinition : public std::exception
-            // labor
+        {
+        public:
+            UnsetMemoryDefinition(const char* _type, const std::string _key) : type(_type), key(_key)
+            {
+                std::stringstream s;
+                s << "memory object not set: type " << type << " key " << key;
+                full = s.str();
+            }
+            // Used by functios using integer keys, such as getTrait
+            UnsetMemoryDefinition(const char* _type, uint32_t _key) : type(_type)
+            {
+                std::stringstream s1;
+                s1 << _key;
+                key = s1.str();
+
+                std::stringstream s;
+                s << "memory object not set: type " << type << " key " << key;
+                full = s.str();
+            }
+            virtual ~UnsetMemoryDefinition() throw(){};
+
             std::string full;
             const std::string type;
             std::string key;

library/include/dfhack/VersionInfo.h

@@ -39,38 +39,42 @@ namespace DFHack
     struct t_class;
     class VersionInfoPrivate;
     class OffsetGroupPrivate;
+
+    /*
+     * Offset Group
+     */
     class DFHACK_EXPORT OffsetGroup
     {
     protected:
-        OffsetGroupPrivate * d;
+        OffsetGroupPrivate * OGd;
     public:
-        int32_t getOffset (const std::string&);
+        OffsetGroup();
-        uint32_t getAddress (const std::string&);
+        ~OffsetGroup();
-        uint32_t getHexValue (const std::string&);
+
-        std::string getString (const std::string&);
+        void copy(const OffsetGroup * old); // recursive
-
+        void RebaseAddresses( int32_t offset ); // recursive
-        int32_t getOffset (const char *);
+
-        uint32_t getAddress (const char *);
+        void createOffset (const std::string & key);
-        uint32_t getHexValue (const char *);
+        void createAddress (const std::string & key);
-        std::string getString (const char *);
+        void createHexValue (const std::string & key);
-
+        void createString (const std::string & key);
-        void setOffset (const std::string &, const int32_t);
+        OffsetGroup * createGroup ( const std::string & name );
-        void setAddress (const std::string &, const uint32_t);
+
-        void setHexValue (const std::string &, const uint32_t);
+        int32_t getOffset (const std::string & key);
-
+        uint32_t getAddress (const std::string & key);
-        void setOffset (const std::string &, const char *);
+        uint32_t getHexValue (const std::string & key);
-        void setAddress (const std::string &, const char *);
+        std::string getString (const std::string & key);
-        void setHexValue (const std::string &, const char *);
+        OffsetGroup * getGroup ( const std::string & name );
-        void setString (const std::string &, const char *);
+
-
+        void setOffset (const std::string & key, const std::string & value);
-        void setOffset (const std::string &, const std::string &);
+        void setAddress (const std::string & key, const std::string & value);
-        void setAddress (const std::string &, const std::string &);
+        void setHexValue (const std::string & key, const std::string & value);
-        void setHexValue (const std::string &, const std::string &);
+        void setString (const std::string & key, const std::string & value);
-        void setString (const std::string &, const std::string &);
-
-        OffsetGroup & getGroup (const std::string name);
     };
 
+    /*
+     * Version Info
+     */
     class DFHACK_EXPORT VersionInfo : public OffsetGroup
     {
     private:

library/include/dfhack/VersionInfoFactory.h

@@ -26,12 +26,13 @@ distribution.
 #define MEMINFO_MANAGER_H_INCLUDED
 
 #include "dfhack/DFPragma.h"
+#include "dfhack/DFExport.h"
 
 class TiXmlElement;
 namespace DFHack
 {
     class VersionInfo;
-    class VersionInfoFactory
+    class DFHACK_EXPORT VersionInfoFactory
     {
         friend class ProcessEnumerator;
         public:
@@ -47,6 +48,8 @@ namespace DFHack
             void ParseVersion (TiXmlElement* version, VersionInfo* mem);
             // copy version 'base' to 'target' or throw
             void EvalVersion(std::string base, VersionInfo* target);
+            void ParseOffsets(TiXmlElement* elem, VersionInfo* target, bool initial = false);
+
             bool error;
             typedef std::pair < TiXmlElement *, VersionInfo *> v_descr;
             std::map <std::string , v_descr  > knownVersions;

tools/supported/dumpoffsets.cpp

@@ -8,31 +8,22 @@
 using namespace std;
 
 #include <DFHack.h>
+#include <dfhack/VersionInfoFactory.h>
 using namespace DFHack;
 
 int main (int numargs, const char ** args)
 {
-    DFHack::ContextManager DFMgr("Memory.xml");
+
-    DFHack::Context * DF;
+    DFHack::VersionInfoFactory * VIF = new DFHack::VersionInfoFactory("Memory.xml");
-    try
+    for(int i = 0; i < VIF->versions.size(); i++)
     {
-        DF = DFMgr.getSingleContext();
+        cout << VIF->versions[i]->PrintOffsets();
-        DF->Attach();
     }
-    catch (exception& e)
+
-    {
-        cerr << e.what() << endl;
-        #ifndef LINUX_BUILD
-            cin.ignore();
-        #endif
-        return 1;
-    }
-    VersionInfo * minfo = DF->getMemoryInfo();
-    if(minfo)
-        cout << minfo->PrintOffsets();
     #ifndef LINUX_BUILD
         cout << "Done. Press any key to continue" << endl;
         cin.ignore();
     #endif
+    delete VIF;
     return 0;
 }