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Removing TextEditor from strings for now

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This commit is contained in:
IlushaShurupov 2023-07-15 10:03:16 +03:00 • committed by Ilya Shurupov
parent eae8852832
commit b7560534c1
7 changed files with 65 additions and 1049 deletions
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132
Strings/public/Strings.hpp
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@ -2,7 +2,7 @@
#include "PoolAllocator.hpp"
#include "StringLogic.hpp"
#include "TextEditor.hpp"
#include "Buffer.hpp"
namespace tp {
@ -11,48 +11,23 @@ namespace tp {
template<typename tChar>
class StringTemplate;
using String = StringTemplate<uint1>;
using String = StringTemplate<int1>;
template<typename tChar = uint1>
template<typename tChar = int1>
class StringTemplate {
typedef StringLogic<tChar> StringLogic;
public:
typedef StringLogic<tChar> Logic;
typedef Logic::Index Index;
private:
// Hidden slave class
class StringData {
// allows to edit each string with text editor inplace
class TextEditors {
enum { MAX_EDITED_STRINGS = 65536 }; // 2^16 - do not change mindlessly
typedef uint2 Address;
ChunkAlloc<TextEditor*, MAX_EDITED_STRINGS> mEditorsPool;
public:
TextEditors() : mEditorsPool() {}
TextEditor* get(Address address) { return mEditorsPool.getBuff() + address; }
Address createTextEditor(const tChar* originalBuffer) {
auto entry = (TextEditor**) mEditorsPool.allocate(0);
*entry = new TextEditor( originalBuffer );
return Address(entry - mEditorsPool.getBuff());
}
void destroyTextEditor(Address address) {
auto entry = mEditorsPool.getBuff() + address;
mEditorsPool.deallocate(entry);
delete entry;
}
};
static TextEditors sTextEditors;
public:
uint2 mIsConst; // source is non-modifiable
uint2 mEditedIdx; // editor id
uint4 mReferenceCount; // number of users of this
tChar* mBuff; // actual string data
public:
StringData() {
MODULE_SANITY_CHECK(gModuleStrings)
mBuff = (tChar*) "*";
@ -73,7 +48,7 @@ namespace tp {
explicit StringData(const tChar* aBuff) {
MODULE_SANITY_CHECK(gModuleStrings)
DEBUG_ASSERT(aBuff)
auto const len = StringLogic::calcLength(aBuff);
auto const len = Logic::calcLength(aBuff);
resize(len);
memCopy(mBuff, aBuff, len);
mReferenceCount = 0;
@ -82,52 +57,18 @@ namespace tp {
}
[[nodiscard]] tChar* getBuffer() {
DEBUG_ASSERT(!isEditorMode())
if (isEditorMode()) return nullptr;
return mBuff;
}
~StringData() {
if (!mIsConst) delete[] mBuff;
if (isEditorMode()) sTextEditors.destroyTextEditor(mEditedIdx);
}
public:
void resize(ualni size) {
DEBUG_ASSERT(!isEditorMode() && mReferenceCount == 1 && !mIsConst)
DEBUG_ASSERT(mReferenceCount == 1 && !mIsConst)
delete[] mBuff;
mBuff = new tChar[size + 1];
mBuff[size] = StringLogic::getEndChar();
}
public:
[[nodiscard]] bool isEditorMode() const { return mEditedIdx; }
void createEditor() {
DEBUG_ASSERT(!isEditorMode())
if (isEditorMode()) mEditedIdx = sTextEditors.createTextEditor(mBuff);
}
[[nodiscard]] TextEditor* getEditor() const {
DEBUG_ASSERT(isEditorMode())
if (!isEditorMode()) return nullptr;
return sTextEditors.get(mEditedIdx);
}
void applyEditor() {
DEBUG_ASSERT(isEditorMode() && mReferenceCount == 1 && !mIsConst)
if (!isEditorMode()) return;
auto editor = sTextEditors.get(mEditedIdx);
resize(editor.textSize());
for ( auto character : *editor) {
mBuff[character.idx] = character;
}
}
void destroyEditor() {
DEBUG_ASSERT(isEditorMode())
if (!isEditorMode()) return;
sTextEditors.destroyTextEditor(mEditedIdx);
mBuff[size] = Logic::getEndChar();
}
};
@ -149,14 +90,8 @@ namespace tp {
// References existing string data
StringTemplate(const StringTemplate& in) {
if (in.isEditorMode()) {
// Copies raw data and claims ownership over it
mStringData = new (sStringPool->allocate(0)) StringData(in.mStringData->mBuff);
incReference(mStringData);
} else {
mStringData = in.mStringData;
incReference(mStringData);
}
mStringData = in.mStringData;
incReference(mStringData);
}
// Creates new string data from raw data pointer.
@ -177,11 +112,6 @@ namespace tp {
}
private:
[[nodiscard]] bool isEditorMode() const {
return mStringData->isEditorMode();
}
static void incReference(StringData* dp) {
dp->mReferenceCount++;
}
@ -213,21 +143,7 @@ namespace tp {
return mStringData->getBuffer();
}
public: // TextEditor Mode
// Enters TextEditor Mode
void createEditor() { mStringData->createEdited(); }
// Access to TextEditor Context & Interface
[[nodiscard]] TextEditor* getEditor() { return mStringData->getEdited(); }
[[nodiscard]] const TextEditor* getEditor() const { return mStringData->getEdited(); }
// Applies TextEditor Mode To Current buffer
void applyEditor() { mStringData->applyEditor(); }
// Leaves TextEditor Mode
void destroyEditor() { mStringData->destroyEditor(); }
private:
public:
void makeModifiable() {
// We have no rights to modify if someone references that memory too
// So we need to create new copy of StringData
@ -244,5 +160,27 @@ namespace tp {
incReference(mStringData);
}
}
public: // Syntax sugars
Index size() const {
return Logic::calcLength(read());
}
void calcLineOffsets(Buffer<Index>& aOut) const {
Logic::calcLineOffsets(read(), size(), aOut);
}
StringTemplate& operator=(const tChar* in) {
this->~StringTemplate();
new (this) StringTemplate(in);
return *this;
}
StringTemplate& operator=(const StringTemplate& in) {
if (&in == this) return *this;
~StringTemplate();
new (this) StringTemplate(in);
return *this;
}
};
}