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Diffstat (limited to 'src/libs/client/DeprecatedSerializer.cpp')
| -rw-r--r-- | src/libs/client/DeprecatedSerializer.cpp | 662 |
1 files changed, 662 insertions, 0 deletions
diff --git a/src/libs/client/DeprecatedSerializer.cpp b/src/libs/client/DeprecatedSerializer.cpp new file mode 100644 index 00000000..1526c527 --- /dev/null +++ b/src/libs/client/DeprecatedSerializer.cpp @@ -0,0 +1,662 @@ +/* This file is part of Ingen. Copyright (C) 2006 Dave Robillard. + * + * Ingen 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. + * + * Ingen 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "DeprecatedSerializer.h" +#include <libxml/parser.h> +#include <libxml/tree.h> +#include <libxml/xpath.h> +#include <algorithm> +#include "PatchModel.h" +#include "NodeModel.h" +#include "ConnectionModel.h" +#include "PortModel.h" +#include "PresetModel.h" +#include "ModelEngineInterface.h" +#include "PluginModel.h" +#include "util/Path.h" +#include <iostream> +#include <fstream> +#include <vector> +#include <utility> // for pair, make_pair +#include <cassert> +#include <cstring> +#include <string> +#include <cstdlib> // for atof +#include <cmath> + +using std::string; using std::vector; using std::pair; +using std::cerr; using std::cout; using std::endl; + +namespace Ingen { +namespace Client { + + +/** Searches for the filename passed in the path, returning the full + * path of the file, or the empty string if not found. + * + * This function tries to be as friendly a black box as possible - if the path + * passed is an absolute path and the file is found there, it will return + * that path, etc. + * + * additional_path is a list (colon delimeted as usual) of additional + * directories to look in. ie the directory the parent patch resides in would + * be a good idea to pass as additional_path, in the case of a subpatch. + */ +string +DeprecatedSerializer::find_file(const string& filename, const string& additional_path) +{ + string search_path = additional_path + ":" + _patch_search_path; + + // Try to open the raw filename first + std::ifstream is(filename.c_str(), std::ios::in); + if (is.good()) { + is.close(); + return filename; + } + + string directory; + string full_patch_path = ""; + + while (search_path != "") { + directory = search_path.substr(0, search_path.find(':')); + if (search_path.find(':') != string::npos) + search_path = search_path.substr(search_path.find(':')+1); + else + search_path = ""; + + full_patch_path = directory +"/"+ filename; + + std::ifstream is; + is.open(full_patch_path.c_str(), std::ios::in); + + if (is.good()) { + is.close(); + return full_patch_path; + } else { + cerr << "[DeprecatedSerializer] Could not find patch file " << full_patch_path << endl; + } + } + + return ""; +} + + +string +DeprecatedSerializer::translate_load_path(const string& path) +{ + std::map<string,string>::iterator t = _load_path_translations.find(path); + + if (t != _load_path_translations.end()) { + return (*t).second; + } else { + assert(Path::is_valid(path)); + return path; + } +} + + +/** Load a patch in to the engine (and client) from a patch file. + * + * The name and poly from the passed PatchModel are used. If the name is + * the empty string, the name will be loaded from the file. If the poly + * is 0, it will be loaded from file. Otherwise the given values will + * be used. + * + * @param wait If true the patch will be checked for existence before + * loading everything in to it (to prevent messing up existing patches + * that exist at the path this one should load as). + * + * @param existing If true, the patch will be loaded into a currently + * existing patch (ie a merging will take place). Errors will result + * if Nodes of conflicting names exist. + * + * @param parent_path Patch to load this patch as a child of (empty string to load + * to the root patch) + * + * @param name Name of this patch (loaded/generated if the empty string) + * + * @param initial_data will be set last, so values passed there will override + * any values loaded from the patch file. + * + * Returns the path of the newly created patch. + */ +string +DeprecatedSerializer::load_patch(const string& filename, + const string& parent_path, + const string& name, + size_t poly, + MetadataMap initial_data, + bool existing) +{ + cerr << "[DeprecatedSerializer] Loading patch " << filename << "" << endl; + + Path path = "/"; // path of the new patch + + const bool load_name = (name == ""); + const bool load_poly = (poly == 0); + + if (initial_data.find("filename") == initial_data.end()) + initial_data["filename"] = Atom(filename.c_str()); // FIXME: URL? + + xmlDocPtr doc = xmlParseFile(filename.c_str()); + + if (!doc) { + cerr << "Unable to parse patch file." << endl; + return ""; + } + + xmlNodePtr cur = xmlDocGetRootElement(doc); + + if (!cur) { + cerr << "Empty document." << endl; + xmlFreeDoc(doc); + return ""; + } + + if (xmlStrcmp(cur->name, (const xmlChar*) "patch")) { + cerr << "File is not an Ingen patch file (root node != <patch>)" << endl; + xmlFreeDoc(doc); + return ""; + } + + xmlChar* key = NULL; + cur = cur->xmlChildrenNode; + + // Load Patch attributes + while (cur != NULL) { + key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1); + + if ((!xmlStrcmp(cur->name, (const xmlChar*)"name"))) { + if (load_name) { + assert(key != NULL); + if (parent_path != "") + path = Path(parent_path).base() + Path::nameify((char*)key); + } + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"polyphony"))) { + if (load_poly) { + poly = atoi((char*)key); + } + } else if (xmlStrcmp(cur->name, (const xmlChar*)"connection") + && xmlStrcmp(cur->name, (const xmlChar*)"node") + && xmlStrcmp(cur->name, (const xmlChar*)"subpatch") + && xmlStrcmp(cur->name, (const xmlChar*)"filename") + && xmlStrcmp(cur->name, (const xmlChar*)"preset")) { + // Don't know what this tag is, add it as metadata without overwriting + // (so caller can set arbitrary parameters which will be preserved) + if (key) + if (initial_data.find((const char*)cur->name) == initial_data.end()) + initial_data[(const char*)cur->name] = (const char*)key; + } + + xmlFree(key); + key = NULL; // Avoid a (possible?) double free + + cur = cur->next; + } + + if (poly == 0) + poly = 1; + + // Create it, if we're not merging + if (!existing) + _engine->create_patch_with_data(path, poly, initial_data); + + // Load nodes + cur = xmlDocGetRootElement(doc)->xmlChildrenNode; + while (cur != NULL) { + if ((!xmlStrcmp(cur->name, (const xmlChar*)"node"))) + load_node(path, doc, cur); + + cur = cur->next; + } + + // Load subpatches + cur = xmlDocGetRootElement(doc)->xmlChildrenNode; + while (cur != NULL) { + if ((!xmlStrcmp(cur->name, (const xmlChar*)"subpatch"))) { + load_subpatch(path, doc, cur); + } + cur = cur->next; + } + + // Load connections + cur = xmlDocGetRootElement(doc)->xmlChildrenNode; + while (cur != NULL) { + if ((!xmlStrcmp(cur->name, (const xmlChar*)"connection"))) { + load_connection(path, doc, cur); + } + cur = cur->next; + } + + + // Load presets (control values) + cerr << "FIXME: load preset\n"; + /*cur = xmlDocGetRootElement(doc)->xmlChildrenNode; + while (cur != NULL) { + if ((!xmlStrcmp(cur->name, (const xmlChar*)"preset"))) { + load_preset(pm, doc, cur); + assert(preset_model != NULL); + if (preset_model->name() == "default") + _engine->set_preset(pm->path(), preset_model); + } + cur = cur->next; + } + */ + + xmlFreeDoc(doc); + xmlCleanupParser(); + + // Done above.. late enough? + //_engine->set_metadata_map(path, initial_data); + + if (!existing) + _engine->enable_patch(path); + + _load_path_translations.clear(); + + return path; +} + + +/** Build a NodeModel given a pointer to a Node in a patch file. + */ +bool +DeprecatedSerializer::load_node(const Path& parent, xmlDocPtr doc, const xmlNodePtr node) +{ + xmlChar* key; + xmlNodePtr cur = node->xmlChildrenNode; + + string path = ""; + bool polyphonic = false; + + string plugin_uri; + + string plugin_type; // deprecated + string library_name; // deprecated + string plugin_label; // deprecated + + MetadataMap initial_data; + + while (cur != NULL) { + key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1); + + if ((!xmlStrcmp(cur->name, (const xmlChar*)"name"))) { + path = parent.base() + Path::nameify((char*)key); + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"polyphonic"))) { + polyphonic = !strcmp((char*)key, "true"); + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"type"))) { + plugin_type = (const char*)key; + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"library-name"))) { + library_name = (char*)key; + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"plugin-label"))) { + plugin_label = (char*)key; + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"plugin-uri"))) { + plugin_uri = (char*)key; + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"port"))) { + cerr << "FIXME: load port\n"; +#if 0 + xmlNodePtr child = cur->xmlChildrenNode; + + string port_name; + float user_min = 0.0; + float user_max = 0.0; + + while (child != NULL) { + key = xmlNodeListGetString(doc, child->xmlChildrenNode, 1); + + if ((!xmlStrcmp(child->name, (const xmlChar*)"name"))) { + port_name = Path::nameify((char*)key); + } else if ((!xmlStrcmp(child->name, (const xmlChar*)"user-min"))) { + user_min = atof((char*)key); + } else if ((!xmlStrcmp(child->name, (const xmlChar*)"user-max"))) { + user_max = atof((char*)key); + } + + xmlFree(key); + key = NULL; // Avoid a (possible?) double free + + child = child->next; + } + + assert(path.length() > 0); + assert(Path::is_valid(path)); + + // FIXME: /nasty/ assumptions + CountedPtr<PortModel> pm(new PortModel(Path(path).base() + port_name, + PortModel::CONTROL, PortModel::INPUT, PortModel::NONE, + 0.0, user_min, user_max)); + //pm->set_parent(nm); + nm->add_port(pm); +#endif + + // DSSI hacks. Stored in the patch files as special elements, but sent to + // the engine as normal metadata with specially formatted key/values. Not + // sure if this is the best way to go about this, but it's the least damaging + // right now + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"dssi-program"))) { + cerr << "FIXME: load dssi program\n"; +#if 0 + xmlNodePtr child = cur->xmlChildrenNode; + + string bank; + string program; + + while (child != NULL) { + key = xmlNodeListGetString(doc, child->xmlChildrenNode, 1); + + if ((!xmlStrcmp(child->name, (const xmlChar*)"bank"))) { + bank = (char*)key; + } else if ((!xmlStrcmp(child->name, (const xmlChar*)"program"))) { + program = (char*)key; + } + + xmlFree(key); + key = NULL; // Avoid a (possible?) double free + child = child->next; + } + nm->set_metadata("dssi-program", Atom(bank.append("/").append(program).c_str())); +#endif + + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"dssi-configure"))) { + cerr << "FIXME: load dssi configure\n"; +#if 0 + xmlNodePtr child = cur->xmlChildrenNode; + + string dssi_key; + string dssi_value; + + while (child != NULL) { + key = xmlNodeListGetString(doc, child->xmlChildrenNode, 1); + + if ((!xmlStrcmp(child->name, (const xmlChar*)"key"))) { + dssi_key = (char*)key; + } else if ((!xmlStrcmp(child->name, (const xmlChar*)"value"))) { + dssi_value = (char*)key; + } + + xmlFree(key); + key = NULL; // Avoid a (possible?) double free + + child = child->next; + } + nm->set_metadata(string("dssi-configure--").append(dssi_key), Atom(dssi_value.c_str())); +#endif + } else { // Don't know what this tag is, add it as metadata + if (key) { + + // Hack to make module-x and module-y set as floats + char* endptr = NULL; + float fval = strtof((const char*)key, &endptr); + if (endptr != (char*)key && *endptr == '\0') + initial_data[(const char*)cur->name] = Atom(fval); + else + initial_data[(const char*)cur->name] = Atom((const char*)key); + } + } + xmlFree(key); + key = NULL; + + cur = cur->next; + } + + if (path == "") { + cerr << "[DeprecatedSerializer] Malformed patch file (node tag has empty children)" << endl; + cerr << "[DeprecatedSerializer] Node ignored." << endl; + return false; + } + + // Compatibility hacks for old patches that represent patch ports as nodes + if (plugin_uri == "") { + cerr << "WARNING: Loading deprecated Node. Resave! " << path << endl; + bool is_port = false; + + if (plugin_type == "Internal") { + if (plugin_label == "audio_input") { + _engine->create_port(path, "AUDIO", false); + is_port = true; + } else if (plugin_label == "audio_output") { + _engine->create_port(path, "AUDIO", true); + is_port = true; + } else if (plugin_label == "control_input") { + _engine->create_port(path, "CONTROL", false); + is_port = true; + } else if (plugin_label == "control_output" ) { + _engine->create_port(path, "CONTROL", true); + is_port = true; + } else if (plugin_label == "midi_input") { + _engine->create_port(path, "MIDI", false); + is_port = true; + } else if (plugin_label == "midi_output" ) { + _engine->create_port(path, "MIDI", true); + is_port = true; + } + } + + if (is_port) { + const string old_path = path; + const string new_path = Path::pathify(old_path); + + // Set up translations (for connections etc) to alias both the old + // module path and the old module/port path to the new port path + _load_path_translations[old_path] = new_path; + _load_path_translations[old_path + "/in"] = new_path; + _load_path_translations[old_path + "/out"] = new_path; + + path = new_path; + + _engine->set_metadata_map(path, initial_data); + + return CountedPtr<NodeModel>(); + + } else { + if (plugin_label == "note_in") { + plugin_uri = "ingen:note_node"; + } else if (plugin_label == "control_input") { + plugin_uri = "ingen:control_node"; + } else if (plugin_label == "transport") { + plugin_uri = "ingen:transport_node"; + } else if (plugin_label == "trigger_in") { + plugin_uri = "ingen:trigger_node"; + } else { + cerr << "WARNING: Unknown deprecated node (label " << plugin_label + << ")." << endl; + } + + if (plugin_uri != "") + _engine->create_node(path, plugin_uri, polyphonic); + else + _engine->create_node(path, plugin_type, library_name, plugin_label, polyphonic); + + _engine->set_metadata_map(path, initial_data); + + return true; + } + + // Not deprecated + } else { + _engine->create_node(path, plugin_uri, polyphonic); + _engine->set_metadata_map(path, initial_data); + return true; + } + + // (shouldn't get here) +} + + +bool +DeprecatedSerializer::load_subpatch(const Path& parent, xmlDocPtr doc, const xmlNodePtr subpatch) +{ + xmlChar *key; + xmlNodePtr cur = subpatch->xmlChildrenNode; + + string name = ""; + string filename = ""; + size_t poly = 0; + + MetadataMap initial_data; + + while (cur != NULL) { + key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1); + + if ((!xmlStrcmp(cur->name, (const xmlChar*)"name"))) { + name = (const char*)key; + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"polyphony"))) { + poly = atoi((const char*)key); + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"filename"))) { + filename = (const char*)key; + } else { // Don't know what this tag is, add it as metadata + if (key != NULL && strlen((const char*)key) > 0) + initial_data[(const char*)cur->name] = Atom((const char*)key); + } + xmlFree(key); + key = NULL; + + cur = cur->next; + } + + // load_patch sets the passed metadata last, so values stored in the parent + // will override values stored in the child patch file + string path = load_patch(filename, parent, name, poly, initial_data, false); + + return false; +} + + +/** Build a ConnectionModel given a pointer to a connection in a patch file. + */ +bool +DeprecatedSerializer::load_connection(const Path& parent, xmlDocPtr doc, const xmlNodePtr node) +{ + xmlChar *key; + xmlNodePtr cur = node->xmlChildrenNode; + + string source_node, source_port, dest_node, dest_port; + + while (cur != NULL) { + key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1); + + if ((!xmlStrcmp(cur->name, (const xmlChar*)"source-node"))) { + source_node = (char*)key; + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"source-port"))) { + source_port = (char*)key; + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"destination-node"))) { + dest_node = (char*)key; + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"destination-port"))) { + dest_port = (char*)key; + } + + xmlFree(key); + key = NULL; // Avoid a (possible?) double free + + cur = cur->next; + } + + if (source_node == "" || source_port == "" || dest_node == "" || dest_port == "") { + cerr << "ERROR: Malformed patch file (connection tag has empty children)" << endl; + cerr << "ERROR: Connection ignored." << endl; + return false; + } + + // Compatibility fixes for old (fundamentally broken) patches + source_node = Path::nameify(source_node); + source_port = Path::nameify(source_port); + dest_node = Path::nameify(dest_node); + dest_port = Path::nameify(dest_port); + + _engine->connect( + translate_load_path(parent.base() + source_node +"/"+ source_port), + translate_load_path(parent.base() + dest_node +"/"+ dest_port)); + + return true; +} + + +/** Build a PresetModel given a pointer to a preset in a patch file. + */ +bool +DeprecatedSerializer::load_preset(const Path& parent, xmlDocPtr doc, const xmlNodePtr node) +{ + cerr << "FIXME: load preset\n"; +#if 0 + xmlNodePtr cur = node->xmlChildrenNode; + xmlChar* key; + + PresetModel* pm = new PresetModel(patch->path().base()); + + while (cur != NULL) { + key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1); + + if ((!xmlStrcmp(cur->name, (const xmlChar*)"name"))) { + assert(key != NULL); + pm->name((char*)key); + } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"control"))) { + xmlNodePtr child = cur->xmlChildrenNode; + + string node_name = "", port_name = ""; + float val = 0.0; + + while (child != NULL) { + key = xmlNodeListGetString(doc, child->xmlChildrenNode, 1); + + if ((!xmlStrcmp(child->name, (const xmlChar*)"node-name"))) { + node_name = (char*)key; + } else if ((!xmlStrcmp(child->name, (const xmlChar*)"port-name"))) { + port_name = (char*)key; + } else if ((!xmlStrcmp(child->name, (const xmlChar*)"value"))) { + val = atof((char*)key); + } + + xmlFree(key); + key = NULL; // Avoid a (possible?) double free + + child = child->next; + } + + // Compatibility fixes for old patch files + node_name = Path::nameify(node_name); + port_name = Path::nameify(port_name); + + if (port_name == "") { + string msg = "Unable to parse control in patch file ( node = "; + msg.append(node_name).append(", port = ").append(port_name).append(")"); + cerr << "ERROR: " << msg << endl; + //m_client_hooks->error(msg); + } else { + // FIXME: temporary compatibility, remove any slashes from port name + // remove this soon once patches have migrated + string::size_type slash_index; + while ((slash_index = port_name.find("/")) != string::npos) + port_name[slash_index] = '-'; + pm->add_control(node_name, port_name, val); + } + } + xmlFree(key); + key = NULL; + cur = cur->next; + } + if (pm->name() == "") { + cerr << "Preset in patch file has no name." << endl; + //m_client_hooks->error("Preset in patch file has no name."); + pm->name("Unnamed"); + } + + return pm; +#endif + return false; +} + +} // namespace Client +} // namespace Ingen |