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/*
* Copyright (C) 2010-2015 Hendrik Leppkes
* http://www.1f0.de
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "stdafx.h"
#include "CueSheet.h"
#include <algorithm>
#include <sstream>
#include <regex>
using namespace std;
enum class ParserState {
GLOBAL, FILE, TRACK
};
typedef string::value_type char_t;
static char_t up_char(char_t ch)
{
return use_facet< ctype< char_t > >(locale()).toupper(ch);
}
static string toupper(const string &src)
{
string result;
transform(src.begin(), src.end(), back_inserter(result), up_char);
return result;
}
static void str_replace(string &s, const string &search, const string &replace)
{
for (string::size_type pos = 0; ; pos += replace.length())
{
pos = s.find(search, pos);
if (pos == string::npos) break;
s.erase(pos, search.length());
s.insert(pos, replace);
}
}
static string GetCueParam(string line, bool firstWord = false)
{
const string delims(" \t\n\r\"'");
string::size_type idx;
// Find beginning of the command word
idx = line.find_first_not_of(delims);
// Find end of the command word
idx = line.find_first_of(delims, idx);
// Find beginning of param
idx = line.find_first_not_of(delims, idx);
if (idx == string::npos)
return string();
string param = line.substr(idx);
// trim spaces off the end
param = param.substr(0, param.find_last_not_of(delims) + 1);
// replace escaped quotes
str_replace(param, "\\\"", "\"");
if (firstWord) {
idx = param.find_first_of(delims);
if (idx != string::npos)
param = param.substr(0, idx);
}
return param;
}
static REFERENCE_TIME ParseCueIndex(string line)
{
int index, m, s, f, ret;
ret = sscanf_s(line.c_str(), " INDEX %d %d:%d:%d", &index, &m, &s, &f);
if (ret == 4)
return (m * 60i64 + s) * 10000000i64 + (f * 10000000i64 / 75);
else
return 0;
}
CCueSheet::CCueSheet()
{
}
CCueSheet::~CCueSheet()
{
}
HRESULT CCueSheet::Parse(string cueSheet)
{
DbgLog((LOG_TRACE, 10, L"CCueSheet::Parse(): Parsing Cue Sheet"));
int trackCount = 0;
ParserState state(ParserState::GLOBAL);
stringstream cueSheetStream(cueSheet);
string line;
while (getline(cueSheetStream, line)) {
string word;
(stringstream(line)) >> word;
word = toupper(word);
switch (state) {
case ParserState::GLOBAL:
if (word == "PERFORMER") {
m_Performer = GetCueParam(line);
} else if (word == "TITLE") {
m_Title = GetCueParam(line);
} else if (word == "FILE") {
state = ParserState::FILE;
}
break;
case ParserState::FILE:
case ParserState::TRACK:
if (word == "FILE") {
DbgLog((LOG_TRACE, 10, L"CCueSheet::Parse(): Multiple FILE segments not supported."));
return E_FAIL;
}
if (word == "TRACK") {
state = ParserState::TRACK;
trackCount++;
string id = GetCueParam(line, true);
Track track{trackCount-1, id, "Title " + id, 0, ""};
m_Tracks.push_back(track);
} else if (state == ParserState::TRACK) {
if (word == "TITLE") {
m_Tracks.back().Title = GetCueParam(line);
} else if (word == "INDEX") {
m_Tracks.back().Time = ParseCueIndex(line);
} else if (word == "PERFORMER") {
m_Tracks.back().Performer = GetCueParam(line);
}
}
break;
}
}
return S_OK;
}
std::string CCueSheet::FormatTrack(Track & track)
{
string trackFormat = track.Id + ". ";
if (!track.Performer.empty())
trackFormat += track.Performer + " - ";
trackFormat += track.Title;
return trackFormat;
}
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