80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "ags/engine/ac/dynobj/script_string.h"
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#include "ags/engine/ac/dynobj/dynobj_manager.h"
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#include "ags/engine/ac/string.h"
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#include "ags/shared/util/stream.h"
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#include "ags/globals.h"
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namespace AGS3 {
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using namespace AGS::Shared;
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const char *ScriptString::GetType() {
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return "String";
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}
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int ScriptString::Dispose(void *address, bool /*force*/) {
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delete[] (static_cast<uint8_t *>(address) - MemHeaderSz);
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return 1;
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}
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size_t ScriptString::CalcSerializeSize(const void *address) {
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const Header &hdr = GetHeader(address);
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return hdr.Length + 1 + FileHeaderSz;
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}
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void ScriptString::Serialize(const void *address, Stream *out) {
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const Header &hdr = GetHeader(address);
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out->WriteInt32(hdr.Length);
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out->Write(address, hdr.Length + 1); // it was writing trailing 0 for some reason
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}
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void ScriptString::Unserialize(int index, Stream *in, size_t /*data_sz*/) {
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size_t len = in->ReadInt32();
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uint8_t *buf = new uint8_t[len + 1 + MemHeaderSz];
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Header &hdr = reinterpret_cast<Header &>(*buf);
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hdr.Length = len;
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char *text_ptr = reinterpret_cast<char *>(buf + MemHeaderSz);
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in->Read(text_ptr, len + 1); // it was writing trailing 0 for some reason
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text_ptr[len] = 0; // for safety
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ccRegisterUnserializedObject(index, text_ptr, this);
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}
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DynObjectRef ScriptString::CreateImpl(const char *text, size_t buf_len) {
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size_t len = text ? strlen(text) : buf_len;
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uint8_t *buf = new uint8_t[len + 1 + MemHeaderSz];
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Header &hdr = reinterpret_cast<Header &>(*buf);
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hdr.Length = len;
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char *text_ptr = reinterpret_cast<char *>(buf + MemHeaderSz);
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if (text)
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memcpy(text_ptr, text, len + 1);
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int32_t handle = ccRegisterManagedObject(text_ptr, &_GP(myScriptStringImpl));
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if (handle == 0) {
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delete[] buf;
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return DynObjectRef();
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}
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return DynObjectRef(handle, text_ptr, &_GP(myScriptStringImpl));
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}
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} // namespace AGS3
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