thirdparty/scummvm
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SCI: Simplify SegManager::findObjectByName

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svn-id: r50548
This commit is contained in:
Max Horn 2010-07-01 16:04:04 +00:00
parent 6c6d8b3fb3
commit e309f05162
1 changed files with 36 additions and 56 deletions
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92
engines/sci/engine/seg_manager.cpp
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@ -263,78 +263,58 @@ const char *SegManager::getObjectName(reg_t pos) {
}
reg_t SegManager::findObjectByName(const Common::String &name, int index) {
reg_t retVal = NULL_REG;
Common::Array<reg_t> result;
uint i;
// Now all values are available; iterate over all objects.
int timesFound = 0;
for (uint i = 0; i < _heap.size(); i++) {
SegmentObj *mobj = _heap[i];
int idx = 0;
int max_index = 0;
ObjMap::iterator it;
Script *scr = 0;
CloneTable *ct = 0;
for (i = 0; i < _heap.size(); i++) {
const SegmentObj *mobj = _heap[i];
if (mobj) {
if (mobj->getType() == SEG_TYPE_SCRIPT) {
scr = (Script *)mobj;
max_index = scr->_objects.size();
it = scr->_objects.begin();
} else if (mobj->getType() == SEG_TYPE_CLONES) {
ct = (CloneTable *)mobj;
max_index = ct->_table.size();
if (!mobj)
continue;
reg_t objpos = make_reg(i, 0);
if (mobj->getType() == SEG_TYPE_SCRIPT) {
// It's a script, scan all objects in it
const Script *scr = (const Script *)mobj;
for (ObjMap::const_iterator it = scr->_objects.begin(); it != scr->_objects.end(); ++it) {
objpos.offset = it->_value.getPos().offset;
if (name == getObjectName(objpos))
result.push_back(objpos);
}
}
// It's a script or a clone table, scan all objects in it
for (; idx < max_index; ++idx) {
const Object *obj = NULL;
reg_t objpos;
objpos.offset = 0;
objpos.segment = i;
if (mobj->getType() == SEG_TYPE_SCRIPT) {
obj = &(it->_value);
objpos.offset = obj->getPos().offset;
++it;
} else if (mobj->getType() == SEG_TYPE_CLONES) {
} else if (mobj->getType() == SEG_TYPE_CLONES) {
// It's clone table, scan all objects in it
const CloneTable *ct = (const CloneTable *)mobj;
for (uint idx = 0; idx < ct->_table.size(); ++idx) {
if (!ct->isValidEntry(idx))
continue;
obj = &(ct->_table[idx]);
objpos.offset = idx;
}
const char *objname = getObjectName(objpos);
if (name == objname) {
// Found a match!
if ((index < 0) && (timesFound > 0)) {
if (timesFound == 1) {
// First time we realized the ambiguity
printf("Ambiguous:\n");
printf(" %3x: [%04x:%04x] %s\n", 0, PRINT_REG(retVal), name.c_str());
}
printf(" %3x: [%04x:%04x] %s\n", timesFound, PRINT_REG(objpos), name.c_str());
}
if (index < 0 || timesFound == index)
retVal = objpos;
++timesFound;
objpos.offset = idx;
if (name == getObjectName(objpos))
result.push_back(objpos);
}
}
}
if (!timesFound)
if (result.empty())
return NULL_REG;
if (timesFound > 1 && index < 0) {
printf("Ambiguous: Aborting.\n");
return NULL_REG; // Ambiguous
if (result.size() > 1) {
printf("Ambiguous:\n");
for (i = 0; i < result.size(); i++)
printf(" %3x: [%04x:%04x] %s\n", i, PRINT_REG(result[i]), name.c_str());
if (index < 0) {
printf("Ambiguous: Aborting.\n");
return NULL_REG; // Ambiguous
}
}
if (timesFound <= index)
if (index < 0)
return result[0];
else if (result.size() <= (uint)index)
return NULL_REG; // Not found
return retVal;
return result[index];
}
// validate the seg