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Make StringMap to be more STL'ish. Patch by Mikhail Glushenkov!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46612 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2008-01-31 12:30:40 +00:00
parent 75fb496fc6
commit f429a519c8
1 changed files with 33 additions and 6 deletions
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39
include/llvm/ADT/StringMap.h
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@ -126,23 +126,26 @@ public:
/// and data.
template<typename ValueTy>
class StringMapEntry : public StringMapEntryBase {
ValueTy Val;
public:
ValueTy second;
explicit StringMapEntry(unsigned StrLen)
: StringMapEntryBase(StrLen), Val() {}
: StringMapEntryBase(StrLen), second() {}
StringMapEntry(unsigned StrLen, const ValueTy &V)
: StringMapEntryBase(StrLen), Val(V) {}
: StringMapEntryBase(StrLen), second(V) {}
const ValueTy &getValue() const { return Val; }
ValueTy &getValue() { return Val; }
const ValueTy &getValue() const { return second; }
ValueTy &getValue() { return second; }
void setValue(const ValueTy &V) { Val = V; }
void setValue(const ValueTy &V) { second = V; }
/// getKeyData - Return the start of the string data that is the key for this
/// value. The string data is always stored immediately after the
/// StringMapEntry object.
const char *getKeyData() const {return reinterpret_cast<const char*>(this+1);}
const char *first() const { return getKeyData(); }
/// Create - Create a StringMapEntry for the specified key and default
/// construct the value.
template<typename AllocatorTy, typename InitType>
@ -239,6 +242,11 @@ public:
AllocatorTy &getAllocator() { return Allocator; }
const AllocatorTy &getAllocator() const { return Allocator; }
typedef const char* key_type;
typedef ValueTy mapped_type;
typedef StringMapEntry<ValueTy> value_type;
typedef size_t size_type;
typedef StringMapConstIterator<ValueTy> const_iterator;
typedef StringMapIterator<ValueTy> iterator;
@ -267,6 +275,25 @@ public:
return const_iterator(TheTable+Bucket);
}
iterator find(const char *Key) {
return find(Key, Key + strlen(Key));
}
const_iterator find(const char *Key) const {
return find(Key, Key + strlen(Key));
}
ValueTy& operator[](const char *Key) {
value_type& entry = GetOrCreateValue(Key, Key + strlen(Key));
return entry.getValue();
}
size_type count(const char *KeyStart, const char *KeyEnd) const {
return find(KeyStart, KeyEnd) == end() ? 0 : 1;
}
size_type count(const char *Key) const {
return count(Key, Key + strlen(Key));
}
/// insert - Insert the specified key/value pair into the map. If the key
/// already exists in the map, return false and ignore the request, otherwise
/// insert it and return true.