lrc.rar_LRC_歌词

#include "StdAfx.h" #include "LrcParser.h" #include "../Utils/IoUtils.h" #include <algorithm> //CLrc CLrc::CLrc(){ offset = 0; m_modify = FALSE; m_curLineTime = m_nextLineTime = 0.0; } CLrc::~CLrc(){ Destroy(); } void CLrc::PutLrcLine(double t, const CString& value,int lineNo){ CString line = value; line.Replace(_T("\t"), StringUtils::TAB_SPACE); CLrcLine *lrcLine = new CLrcLine(t, line, lineNo); m_lrcLineVector.push_back(lrcLine); } BOOL CLrc::IsValid(){ return !m_lrcLineVector.empty(); } CString CLrc::GetShowLrcText(int type,const CString& flag){ int allSize = (int)m_lrcLineVector.size(); if(type == 0){ if(m_currentIndex >= 0 && m_currentIndex < allSize) return m_lrcLineVector[m_currentIndex]->content; }else if(type < 0){ CString txt; for(int i=0;i<m_currentIndex;++i){ txt.Append(m_lrcLineVector[i]->content); if(i < m_currentIndex - 1) txt.Append(flag); } return txt; }else{ CString txt; for(int i=m_currentIndex+1;i< allSize;++i){ txt.Append(m_lrcLineVector[i]->content); if(i < allSize - 1) txt.Append(flag); } return txt; } return StringUtils::EMPTY_STRING; } BOOL CLrc::GetCurrentShowLrcLines(CStrArray* lrcLines,int count,int preCount){ if(lrcLines == NULL) return FALSE; lrcLines->clear(); int start = m_currentIndex-count/2; for(int i=start;i<start+count+preCount;++i){ if(i < 0 || i >= (int)m_lrcLineVector.size()){ lrcLines->push_back(StringUtils::EMPTY_STRING); }else{ lrcLines->push_back(m_lrcLineVector[i]->content); } } return TRUE; } double CLrc::GetCurrentTimeOffestPercent(){ if(m_lrcLineVector.empty()) return 0.0; if(epsilon_equal(m_nextLineTime,m_curLineTime)) return 0.0; double p = (m_currentTime-m_curLineTime)/(m_nextLineTime-m_curLineTime); if(p >= 1.0) return 1.0; return p; } double CLrc::GetCurrentTimeGap(){ if(m_lrcLineVector.empty()) return 0.0; double gap = m_nextLineTime-m_curLineTime; if(epsilon_equal(gap,0)){ if(m_currentIndex > 0 && m_currentIndex < (int)m_lrcLineVector.size()) return m_lrcLineVector[m_currentIndex]->time - m_lrcLineVector[m_currentIndex-1]->time; else return m_lrcLineVector[0]->time; } return gap; } int CLrc::SetCurrentTime(double t){ m_currentTime = t; m_currentIndex = -1; if(m_lrcLineVector.empty()){ m_curLineTime = m_nextLineTime = 0.0; return m_currentIndex; } if(t <= m_lrcLineVector.front()->time){ m_curLineTime = 0.0; m_nextLineTime = m_lrcLineVector.front()->time; return m_currentIndex; } if(t >= m_lrcLineVector.back()->time){ m_curLineTime = m_nextLineTime = m_lrcLineVector.back()->time; m_currentIndex = (int)m_lrcLineVector.size() - 1; return m_currentIndex; } for(int i=0;i< (int)m_lrcLineVector.size() - 1;++i){ if(t >= m_lrcLineVector[i]->time && t < m_lrcLineVector[i+1]->time){ m_curLineTime = m_lrcLineVector[i]->time; m_nextLineTime= m_lrcLineVector[i+1]->time; m_currentIndex = i; return m_currentIndex; } } return m_currentIndex; } void CLrc::SortByTime(){ std::sort(m_lrcLineVector.begin(),m_lrcLineVector.end(), &CLrcLine::compare); } void CLrc::Destroy(){ name = author = album = by = filePath = StringUtils::EMPTY_STRING; m_content.Empty(); offset = 0; m_modify = FALSE; for(int i=0;i< (int)m_lrcLineVector.size();++i){ delete m_lrcLineVector[i]; } m_lrcLineVector.clear(); } void CLrc::UpdateCurrentLineOffset(double t){ if(m_lrcLineVector.empty()) return; m_modify = TRUE; if(m_currentIndex < 0){ m_lrcLineVector.front()->time +=t; }else if(m_currentIndex >= (int)m_lrcLineVector.size()){ m_lrcLineVector.back()->time +=t; }else{ m_lrcLineVector[m_currentIndex]->time +=t; } } void CLrc::UpdateLrcOffset(double t){ m_modify = TRUE; for(int i=0;i< (int)m_lrcLineVector.size();++i){ m_lrcLineVector[i]->time += t; } } const CString& CLrc::GetPlainText(const CString &flag){ if(m_content.IsEmpty()){ for(int i=0;i< (int)m_lrcLineVector.size();++i){ m_content.Append(m_lrcLineVector[i]->content); m_content.Append(flag); } } return m_content; } BOOL CLrc::IsModify(){ return m_modify; } void CLrc::SaveLrc(){ if(!m_modify || m_lrcLineVector.empty()) return; CString content; content.AppendFormat(_T("[ti:%s]\r\n"),name); content.AppendFormat(_T("[ar:%s]\r\n"),author); content.AppendFormat(_T("[al:%s]\r\n"),album); content.AppendFormat(_T("[by:%s]\r\n"),by); if(offset != 0) content.AppendFormat(_T("[offset:%d]\r\n"),offset); content.Append(_T("\r\n")); std::sort(m_lrcLineVector.begin(),m_lrcLineVector.end(), &CLrcLine::compareByLineNo); int lastIndex = 0; CString lastValue; double t; int m,s,ms; for(int i=0;i< (int)m_lrcLineVector.size();++i){ t = m_lrcLineVector[i]->time; m = int(t/60); s = int(t-m*60); ms = (int)((t -(int)t)*100 + 0.5)%100; if(m_lrcLineVector[i]->lineNo != lastIndex){ if(!lastValue.IsEmpty()) content.AppendFormat(_T("%s\r\n"),lastValue); lastIndex = m_lrcLineVector[i]->lineNo; lastValue.Format(_T("[%02d:%02d.%02d]%s"),m,s,ms,m_lrcLineVector[i]->content); }else{ CString tempValue = lastValue; lastValue.Format(_T("[%02d:%02d.%02d]%s"),m,s,ms,tempValue); } } if(!lastValue.IsEmpty()) content.AppendFormat(_T("%s\r\n"),lastValue); int bufLen; char *pBuf = StringUtils::CString2_Chars(bufLen,content); CIoUtils::WriteFile(filePath,pBuf,bufLen); delete[] pBuf; m_modify = FALSE; } //CLrcParser BOOL CLrcParser::ParseLrc(CLrc *pLrc,const CString& lrcPath){ if(pLrc == NULL || lrcPath.IsEmpty()) return FALSE; pLrc->Destroy(); CStdioFile file; if(!file.Open(lrcPath,CFile::modeRead) || file.GetLength() == 0) return FALSE; pLrc->filePath = lrcPath; CString fileLine; CStrArray lrcArray; while(file.ReadString(fileLine)){ lrcArray.push_back(StringUtils::CString2_CString(fileLine)); } file.Close(); CString line,value; double t; CStrArray tempArray; int tSize; for(int i=0;i<(int)lrcArray.size();++i){ line = lrcArray[i]; line.Trim(); if(line.IsEmpty()) continue; StringUtils::GetSplitStrArray(&tempArray,line,_T("]"),TRUE); tSize = (int)tempArray.size(); if(tSize >= 2){ value = tempArray[0]; if(value.Find(_T("[ti:")) == 0 && value.GetLength()>=5 ){ pLrc->name = value.Right(value.GetLength()-4); continue; } if(value.Find(_T("[ar:")) == 0 && value.GetLength()>=5 ){ pLrc->author = value.Right(value.GetLength()-4); continue; } if(value.Find(_T("[al:")) == 0 && value.GetLength()>=5 ){ pLrc->album = value.Right(value.GetLength()-4); continue; } if(value.Find(_T("[by:")) == 0 && value.GetLength()>=5 ){ pLrc->by = value.Right(value.GetLength()-4); continue; } if(value.Find(_T("[offset:")) == 0 && value.GetLength()>=9 ){ pLrc->offset = StringUtils::CString2_int(value.Right(value.GetLength()-8)); continue; } value = tempArray[tSize-1]; for(int j=0;j<tSize-1;++j){ t = GetLrcLineTime(tempArray[j]); if(t != INT_MIN){ pLrc->PutLrcLine(t + pLrc->offset / 1000.0, value, i); } } } } pLrc->SortByTime(); return TRUE; } double CLrcParser::GetLrcLineTime(CString str){ if(str.Left(1) == _T("[")) str.Delete(0); CStrArray tempArray; StringUtils::GetSplitStrArray(&tempArray,str,_T(":")); if((int)tempArray.size() < 2) return -1.0; return StringUtils::CString2_double(tempArray[0])*60.0+StringUtils::CString2_double(tempArray[1]); }