mirror of https://github.com/odrling/Aegisub
404 lines
8.8 KiB
C++
404 lines
8.8 KiB
C++
/*
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* Copyright (C) 2003-2006 Gabest
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* http://www.gabest.org
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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 2, or (at your option)
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* 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 GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#include "stdafx.h"
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#include "SubtitleFile.h"
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namespace ssf
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{
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SubtitleFile::SubtitleFile()
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{
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}
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SubtitleFile::~SubtitleFile()
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{
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}
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void SubtitleFile::Parse(InputStream& s)
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{
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m_segments.RemoveAll();
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__super::Parse(s, s_predef);
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// TODO: check file.format == "ssf" and file.version == 1
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CAtlList<Definition*> defs;
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GetRootRef()->GetChildDefs(defs, L"subtitle");
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StringMapW<float> offset;
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POSITION pos = defs.GetHeadPosition();
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while(pos)
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{
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Definition* pDef = defs.GetNext(pos);
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try
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{
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Definition::Time time;
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if(pDef->GetAsTime(time, offset) && (*pDef)[L"@"].IsValue())
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{
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m_segments.Insert(time.start.value, time.stop.value, pDef);
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}
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}
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catch(Exception&)
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{
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}
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}
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}
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void SubtitleFile::Append(InputStream& s, float start, float stop, bool fSetTime)
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{
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Reference* pRootRef = GetRootRef();
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ParseDefs(s, pRootRef);
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CAtlList<Definition*> defs;
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GetNewDefs(defs);
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POSITION pos = defs.GetHeadPosition();
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while(pos)
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{
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Definition* pDef = defs.GetNext(pos);
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if(pDef->m_parent == pRootRef && pDef->m_type == L"subtitle" && (*pDef)[L"@"].IsValue())
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{
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m_segments.Insert(start, stop, pDef);
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if(fSetTime)
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{
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try
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{
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Definition::Time time;
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StringMapW<float> offset;
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pDef->GetAsTime(time, offset);
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if(time.start.value == start && time.stop.value == stop)
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continue;
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}
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catch(Exception&)
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{
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}
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CStringW str;
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str.Format(L"%.3f", start);
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pDef->SetChildAsNumber(L"time.start", str, L"s");
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str.Format(L"%.3f", stop);
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pDef->SetChildAsNumber(L"time.stop", str, L"s");
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}
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}
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}
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Commit();
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}
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bool SubtitleFile::Lookup(float at, CAutoPtrList<Subtitle>& subs)
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{
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if(!subs.IsEmpty()) {ASSERT(0); return false;}
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CAtlList<SegmentItem> sis;
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m_segments.Lookup(at, sis);
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POSITION pos = sis.GetHeadPosition();
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while(pos)
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{
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SegmentItem& si = sis.GetNext(pos);
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CAutoPtr<Subtitle> s(new Subtitle(this));
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if(s->Parse(si.pDef, si.start, si.stop, at))
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{
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for(POSITION pos = subs.GetHeadPosition(); pos; subs.GetNext(pos))
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{
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if(s->m_layer < subs.GetAt(pos)->m_layer)
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{
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subs.InsertBefore(pos, s);
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break;
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}
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}
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if(s)
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{
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subs.AddTail(s);
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}
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}
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}
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return !subs.IsEmpty();
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}
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//
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SubtitleFile::Segment::Segment(float start, float stop, const SegmentItem* si)
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{
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m_start = start;
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m_stop = stop;
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if(si) AddTail(*si);
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}
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SubtitleFile::Segment::Segment(const Segment& s)
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{
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*this = s;
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}
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void SubtitleFile::Segment::operator = (const Segment& s)
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{
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m_start = s.m_start;
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m_stop = s.m_stop;
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RemoveAll();
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AddTailList(&s);
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}
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//
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void SubtitleFile::SegmentList::RemoveAll()
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{
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__super::RemoveAll();
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m_index.RemoveAll();
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}
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void SubtitleFile::SegmentList::Insert(float start, float stop, Definition* pDef)
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{
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if(start >= stop) {ASSERT(0); return;}
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m_index.RemoveAll();
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SegmentItem si = {pDef, start, stop};
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if(IsEmpty())
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{
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AddTail(Segment(start, stop, &si));
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return;
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}
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Segment& head = GetHead();
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Segment& tail = GetTail();
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if(start >= tail.m_stop && stop > tail.m_stop)
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{
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if(start > tail.m_stop) AddTail(Segment(tail.m_stop, start));
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AddTail(Segment(start, stop, &si));
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}
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else if(start < head.m_start && stop <= head.m_start)
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{
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if(stop < head.m_start) AddHead(Segment(stop, head.m_start));
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AddHead(Segment(start, stop, &si));
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}
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else
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{
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if(start < head.m_start)
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{
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AddHead(Segment(start, head.m_start, &si));
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start = head.m_start;
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}
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if(stop > tail.m_stop)
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{
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AddTail(Segment(tail.m_stop, stop, &si));
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stop = tail.m_stop;
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}
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for(POSITION pos = GetHeadPosition(); pos; GetNext(pos))
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{
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Segment& s = GetAt(pos);
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if(start >= s.m_stop) continue;
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if(stop <= s.m_start) break;
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if(s.m_start < start && start < s.m_stop)
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{
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Segment s2 = s;
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s2.m_start = start;
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InsertAfter(pos, s2);
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s.m_stop = start;
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}
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else if(s.m_start == start)
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{
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if(stop > s.m_stop)
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{
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start = s.m_stop;
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}
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else if(stop < s.m_stop)
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{
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Segment s2 = s;
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s2.m_start = stop;
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InsertAfter(pos, s2);
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s.m_stop = stop;
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}
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s.AddTail(si);
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}
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}
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}
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}
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size_t SubtitleFile::SegmentList::Index(bool fForce)
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{
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if(m_index.IsEmpty() || fForce)
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{
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m_index.RemoveAll();
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POSITION pos = GetHeadPosition();
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while(pos) m_index.Add(&GetNext(pos));
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}
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return m_index.GetCount();
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}
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void SubtitleFile::SegmentList::Lookup(float at, CAtlList<SegmentItem>& sis)
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{
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sis.RemoveAll();
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size_t k;
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if(Lookup(at, k))
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{
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sis.AddTailList(GetSegment(k));
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}
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}
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bool SubtitleFile::SegmentList::Lookup(float at, size_t& k)
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{
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if(!Index()) return false;
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size_t i = 0, j = m_index.GetCount()-1;
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if(m_index[i]->m_start <= at && at < m_index[j]->m_stop)
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do
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{
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k = (i+j)/2;
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if(m_index[k]->m_start <= at && at < m_index[k]->m_stop) {return true;}
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else if(at < m_index[k]->m_start) {if(j == k) k--; j = k;}
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else if(at >= m_index[k]->m_stop) {if(i == k) k++; i = k;}
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}
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while(i <= j);
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return false;
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}
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const SubtitleFile::Segment* SubtitleFile::SegmentList::GetSegment(size_t k)
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{
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return 0 <= k && k < m_index.GetCount() ? m_index[k] : NULL;
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}
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// TODO: this should be overridable from outside
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LPCWSTR SubtitleFile::s_predef =
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L"color#white {a: 255; r: 255; g: 255; b: 255;}; \n"
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L"color#black {a: 255; r: 0; g: 0; b: 0;}; \n"
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L"color#gray {a: 255; r: 128; g: 128; b: 128;}; \n"
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L"color#red {a: 255; r: 255; g: 0; b: 0;}; \n"
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L"color#green {a: 255; r: 0; g: 255; b: 0;}; \n"
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L"color#blue {a: 255; r: 0; g: 0; b: 255;}; \n"
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L"color#cyan {a: 255; r: 0; g: 255; b: 255;}; \n"
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L"color#yellow {a: 255; r: 255; g: 255; b: 0;}; \n"
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L"color#magenta {a: 255; r: 255; g: 0; b: 255;}; \n"
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L" \n"
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L"align#topleft {v: \"top\"; h: \"left\";}; \n"
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L"align#topcenter {v: \"top\"; h: \"center\";}; \n"
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L"align#topright {v: \"top\"; h: \"right\";}; \n"
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L"align#middleleft {v: \"middle\"; h: \"left\";}; \n"
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L"align#middlecenter {v: \"middle\"; h: \"center\";}; \n"
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L"align#middleright {v: \"middle\"; h: \"right\";}; \n"
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L"align#bottomleft {v: \"bottom\"; h: \"left\";}; \n"
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L"align#bottomcenter {v: \"bottom\"; h: \"center\";}; \n"
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L"align#bottomright {v: \"bottom\"; h: \"right\";}; \n"
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L" \n"
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L"time#time {scale: 1;}; \n"
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L"time#startstop {start: \"start\"; stop: \"stop\";}; \n"
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L" \n"
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L"#b {font.weight: \"bold\"}; \n"
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L"#i {font.italic: \"true\"}; \n"
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L"#u {font.underline: \"true\"}; \n"
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L"#s {font.strikethrough: \"true\"}; \n"
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L" \n"
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L"#nobr {linebreak: \"none\"}; \n"
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L" \n"
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L"subtitle#subtitle \n"
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L"{ \n"
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L" frame \n"
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L" { \n"
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L" reference: \"video\"; \n"
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L" resolution: {cx: 640; cy: 480;}; \n"
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L" }; \n"
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L" \n"
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L" direction \n"
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L" { \n"
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L" primary: \"right\"; \n"
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L" secondary: \"down\"; \n"
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L" }; \n"
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L" \n"
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L" wrap: \"normal\"; \n"
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L" \n"
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L" layer: 0; \n"
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L" \n"
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L" style \n"
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L" { \n"
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L" linebreak: \"word\"; \n"
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L" \n"
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L" placement \n"
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L" { \n"
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L" clip: \"none\"; \n"
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L" margin: {t: 0; r: 0; b: 0; l: 0;}; \n"
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L" align: bottomcenter; \n"
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L" pos: \"auto\" \n"
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L" offset: {x: 0; y: 0;}; \n"
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L" angle: {x: 0; y: 0; z: 0;}; \n"
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L" org: \"auto\" \n"
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L" path: \"\"; \n"
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L" }; \n"
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L" \n"
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L" font \n"
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L" { \n"
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L" face: \"Arial\"; \n"
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L" size: 20; \n"
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L" weight: \"bold\"; \n"
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L" color: white; \n"
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L" underline: \"false\"; \n"
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L" strikethrough: \"false\"; \n"
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L" italic: \"false\"; \n"
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L" spacing: 0; \n"
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L" scale: {cx: 1; cy: 1;}; \n"
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L" kerning: \"true\"; \n"
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L" }; \n"
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L" \n"
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L" background \n"
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L" { \n"
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L" color: black; \n"
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L" size: 2; \n"
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L" type: \"outline\"; \n"
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L" blur: 0; \n"
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L" }; \n"
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L" \n"
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L" shadow \n"
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L" { \n"
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L" color: black {a: 128;}; \n"
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L" depth: 2; \n"
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L" angle: -45; \n"
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L" blur: 0; \n"
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L" }; \n"
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L" \n"
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L" fill \n"
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L" { \n"
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L" color: yellow; \n"
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L" width: 0; \n"
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L" }; \n"
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L" }; \n"
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L"}; \n";
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}
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