From 903b9eed60096cf0389f155a4574d978efdf6a3e Mon Sep 17 00:00:00 2001 From: Jonas Suhr Christensen Date: Fri, 8 Jun 2018 19:36:45 +0200 Subject: dgxmlparser: initial xml parser for DrumGizmo xml --- src/dgxmlparser.cc | 145 +++++++++++++++++++++++++++++++++++++++++++++++++++++ src/dgxmlparser.h | 37 ++++++++++++++ 2 files changed, 182 insertions(+) create mode 100644 src/dgxmlparser.cc create mode 100644 src/dgxmlparser.h diff --git a/src/dgxmlparser.cc b/src/dgxmlparser.cc new file mode 100644 index 0000000..9193101 --- /dev/null +++ b/src/dgxmlparser.cc @@ -0,0 +1,145 @@ +/* -*- Mode: c++ -*- */ +/*************************************************************************** + * dgxmlparser.cc + * + * Fri Jun 8 22:04:31 CEST 2018 + * Copyright 2018 Jonas Suhr Christensen + * jsc@umbraculum.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * DrumGizmo 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#include "dgxmlparser.h" + +#include +#include + +#include "nolocale.h" + +bool probeDrumkitFile(const std::string& filename) +{ + DrumkitDOM d; + return parseDrumkitFile(filename, d); +} + +bool probeInstrumentFile(const std::string& filename) +{ + InstrumentDOM d; + return parseInstrumentFile(filename, d); +} + +static bool assign(double& dest, std::string val) +{ + dest = atof_nol(val.c_str()); + return dest > 0; +} + +static bool assign(std::string& dest, std::string val) +{ + dest = val; + return true; +} + +static bool assign(size_t& dest, std::string val) +{ + dest = atoi(val.c_str()); + return dest > 0; +} + +template +static bool attrcpy(T& dest, const pugi::xml_node& src, const std::string attr) +{ + const char* val = src.attribute(attr.c_str()).as_string(nullptr); + if(!val) return false; + + return assign(dest, std::string(val)); +} + +bool parseDrumkitFile(const std::string& filename, DrumkitDOM& dom) +{ + bool res = true; + + pugi::xml_document doc; + pugi::xml_parse_result result = doc.load_file(filename.c_str()); + res &= !result.status; + + //TODO: handle xml version + + pugi::xml_node drumkit = doc.child("drumkit"); + res &= attrcpy(dom.description, drumkit, "description"); + res &= attrcpy(dom.name, drumkit, "name"); + + pugi::xml_node channels = doc.child("drumkit").child("channels"); + for(pugi::xml_node channel: channels.children("channel")) + { + dom.channels.emplace_back(); + res &= attrcpy(dom.channels.back().name, channel, "name"); + } + + pugi::xml_node instruments = doc.child("drumkit").child("instruments"); + for(pugi::xml_node instrument: instruments.children("instrument")) + { + dom.instruments.emplace_back(); + + res &= attrcpy(dom.instruments.back().name, instrument, "name"); + res &= attrcpy(dom.instruments.back().file, instrument, "file"); + res &= attrcpy(dom.instruments.back().group, instrument, "group"); + + for(pugi::xml_node cmap: instrument.children("channelmap")) + { + dom.instruments.back().channel_map.emplace_back(); + res &= attrcpy(dom.instruments.back().channel_map.back().in, cmap, "in"); + res &= attrcpy(dom.instruments.back().channel_map.back().out, cmap, "out"); + //TODO:handle main + } + } + + return res; +} + +bool parseInstrumentFile(const std::string& filename, InstrumentDOM& dom) +{ + bool res = true; + + pugi::xml_document doc; + pugi::xml_parse_result result = doc.load_file(filename.c_str()); + + res &= !result.status; + //TODO: handle version + + pugi::xml_node instrument = doc.child("instrument"); + res &= attrcpy(dom.name, instrument, "name"); + + pugi::xml_node samples = doc.child("instrument").child("samples"); + for(pugi::xml_node sample: samples.children("sample")) + { + dom.samples.emplace_back(); + res &= attrcpy(dom.samples.back().name, sample, "name"); + res &= attrcpy(dom.samples.back().power, sample, "power"); + + for(pugi::xml_node audiofile: sample.children("audiofile")) + { + dom.samples.back().audiofiles.emplace_back(); + res &= attrcpy(dom.samples.back().audiofiles.back().instrument_channel, audiofile, "channel"); + res &= attrcpy(dom.samples.back().audiofiles.back().file, audiofile, "file"); + res &= attrcpy(dom.samples.back().audiofiles.back().filechannel, audiofile, "filechannel"); + } + } + + return res; +} diff --git a/src/dgxmlparser.h b/src/dgxmlparser.h new file mode 100644 index 0000000..1bc580d --- /dev/null +++ b/src/dgxmlparser.h @@ -0,0 +1,37 @@ +/* -*- Mode: c++ -*- */ +/*************************************************************************** + * dgxmlparser.h + * + * Fri Jun 8 22:04:32 CEST 2018 + * Copyright 2018 Jonas Suhr Christensen + * jsc@umbraculum.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * DrumGizmo 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#pragma once + +#include + +#include "DGDOM.h" + +bool probeDrumkitFile(const std::string& filename); +bool probeInstrumentFile(const std::string& filename); + +bool parseDrumkitFile(const std::string& filename, DrumkitDOM& dom); +bool parseInstrumentFile(const std::string& filename, InstrumentDOM& dom); -- cgit v1.2.3