summaryrefslogtreecommitdiffstats
path: root/src/clients/new/PatchLibrarian.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/clients/new/PatchLibrarian.cpp')
-rw-r--r--src/clients/new/PatchLibrarian.cpp824
1 files changed, 824 insertions, 0 deletions
diff --git a/src/clients/new/PatchLibrarian.cpp b/src/clients/new/PatchLibrarian.cpp
new file mode 100644
index 00000000..66c013e5
--- /dev/null
+++ b/src/clients/new/PatchLibrarian.cpp
@@ -0,0 +1,824 @@
+/* This file is part of Om. Copyright (C) 2005 Dave Robillard.
+ *
+ * Om 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.
+ *
+ * Om 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.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "PatchLibrarian.h"
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+#include <libxml/xpath.h>
+#include "PatchModel.h"
+#include "NodeModel.h"
+#include "ConnectionModel.h"
+#include "PortModel.h"
+#include "PresetModel.h"
+#include "OSCModelEngineInterface.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 <unistd.h> // for usleep
+#include <cstdlib> // for atof
+#include <cmath>
+
+using std::string; using std::vector; using std::pair;
+using std::cerr; using std::cout; using std::endl;
+using Om::Path;
+
+namespace LibOmClient {
+
+
+/** 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 parent_path Path of the patch to create the new patch under.
+ *
+ * @param name Name to give the new Patch. If @a name is the empty string,
+ * the name stored in the patch file will be used.
+ *
+ * @param poly The polyphony of the new patch if nonzero, otherwise the
+ * polyphony value stored in the patch file will be used.
+ *
+ * @return true on success.
+ */
+bool
+PatchLibrarian::load_patch(EngineInterface* engine,
+ const string& filename,
+ const Path& parent_path,
+ string name,
+ uint32_t poly)
+{
+ cerr << "Loading patch " << filename << "" << endl;
+
+ //const size_t temp_buf_length = 255;
+ //char temp_buf[temp_buf_length];
+
+ xmlDocPtr doc = xmlParseFile(filename.c_str());
+
+ if (doc == NULL ) {
+ cerr << "Unable to parse patch file." << endl;
+ return false;
+ }
+
+ xmlNodePtr cur = xmlDocGetRootElement(doc);
+
+ if (cur == NULL) {
+ cerr << "Document has no root element." << endl;
+ xmlFreeDoc(doc);
+ return false;
+ }
+
+ if (xmlStrcmp(cur->name, (const xmlChar*) "patch")) {
+ cerr << "File is not an Om patch file (root node != patch)." << endl;
+ xmlFreeDoc(doc);
+ return false;
+ }
+
+ cur = cur->xmlChildrenNode;
+ string path;
+
+ map<string, string> metadata;
+
+ // Load Patch attributes
+ while (cur != NULL) {
+ xmlChar* const key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+
+ if ((!xmlStrcmp(cur->name, (const xmlChar*)"name"))) {
+ if (name == "") {
+ assert(key);
+ name = (char*)key;
+ }
+ } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"polyphony"))) {
+ if (poly == 0) {
+ assert(key);
+ poly = atoi((char*)key); // FIXME: error checking
+ }
+ /* Don't know what this tag is, add it as metadata without overwriting
+ * (so caller can set arbitrary metadata which will be preserved)
+ * FIXME: this is just plain filthy. XML is not RDF. */
+ } else if (key
+ && 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")) {
+
+ metadata[(char*)cur->name] == (char*)key;
+ }
+
+ xmlFree(key);
+
+ cur = cur->next;
+ }
+
+
+ // Didn't find a polyphony value, set monophonic by default
+ if (poly == 0) poly = 1;
+
+
+ /* FIXME: This functionality needs to be implemented (elsewhere)
+ if (!existing) {
+ // Wait until the patch is created or the node creations may fail
+ if (wait) {
+ int id = m_osc_controller->get_next_request_id();
+ m_osc_controller->set_wait_response_id(id);
+ m_osc_controller->create_patch(pm, id);
+ bool succeeded = m_osc_controller->wait_for_response();
+
+ // If creating the patch failed, bail out so we don't load all these nodes
+ // into an already existing patch
+ if (!succeeded) {
+ cerr << "[PatchLibrarian] Patch load failed (patch already exists)" << endl;
+ return "";
+ }
+ } else {
+ m_osc_controller->create_patch(pm);
+ }
+ }
+ */
+ engine->create_patch(path, poly, -1);
+
+
+ /* Set the filename metadata. (FIXME)
+ * This isn't so good, considering multiple clients on multiple machines, and
+ * absolute filesystem paths obviously aren't going to be correct. But for now
+ * this is all I can figure out to have Save/Save As work properly for subpatches */
+ engine->set_metadata(path, "filename", filename);
+
+#if 0
+ // Load nodes
+ NodeModel* nm = NULL;
+ cur = xmlDocGetRootElement(doc)->xmlChildrenNode;
+
+ while (cur != NULL) {
+ if ((!xmlStrcmp(cur->name, (const xmlChar*)"node"))) {
+ nm = parse_node(pm, doc, cur);
+ if (nm != NULL) {
+ m_osc_controller->add_node(nm);
+ m_osc_controller->set_all_metadata(nm);
+ for (list<PortModel*>::const_iterator j = nm->ports().begin();
+ j != nm->ports().end(); ++j) {
+ // FIXME: ew
+ snprintf(temp_buf, temp_buf_length, "%f", (*j)->user_min());
+ m_osc_controller->set_metadata((*j)->path(), "user-min", temp_buf);
+ snprintf(temp_buf, temp_buf_length, "%f", (*j)->user_max());
+ m_osc_controller->set_metadata((*j)->path(), "user-max", temp_buf);
+ }
+ nm = NULL;
+ usleep(10000);
+ }
+ }
+ cur = cur->next;
+ }
+
+ // Load subpatches
+ cur = xmlDocGetRootElement(doc)->xmlChildrenNode;
+ while (cur != NULL) {
+ if ((!xmlStrcmp(cur->name, (const xmlChar*)"subpatch"))) {
+ load_subpatch(pm, doc, cur);
+ }
+ cur = cur->next;
+ }
+
+ // Load connections
+ ConnectionModel* cm = NULL;
+ cur = xmlDocGetRootElement(doc)->xmlChildrenNode;
+ while (cur != NULL) {
+ if ((!xmlStrcmp(cur->name, (const xmlChar*)"connection"))) {
+ cm = parse_connection(pm, doc, cur);
+ if (cm != NULL) {
+ m_osc_controller->connect(cm->src_port_path(), cm->dst_port_path());
+ usleep(1000);
+ }
+ }
+ cur = cur->next;
+ }
+
+
+ // Load presets (control values)
+ PresetModel* preset_model = NULL;
+ cur = xmlDocGetRootElement(doc)->xmlChildrenNode;
+ while (cur != NULL) {
+ if ((!xmlStrcmp(cur->name, (const xmlChar*)"preset"))) {
+ preset_model = parse_preset(pm, doc, cur);
+ assert(preset_model != NULL);
+ if (preset_model->name() == "default")
+ m_osc_controller->set_preset(pm->path(), preset_model);
+ }
+ cur = cur->next;
+ }
+#endif
+ xmlFreeDoc(doc);
+ xmlCleanupParser();
+
+ //m_osc_controller->set_all_metadata(pm);
+
+ //if (!existing)
+ // m_osc_controller->enable_patch(pm->path());
+
+ return true;
+}
+
+
+#if 0
+/** 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
+PatchLibrarian::find_file(const string& filename, const string& additional_path)
+{
+ string search_path = additional_path + ":" + m_patch_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 << "[PatchLibrarian] Could not find patch file " << full_patch_path << endl;
+ }
+ }
+
+ return "";
+}
+
+
+/** Save a patch from a PatchModel to a filename.
+ *
+ * The filename passed is the true filename the patch will be saved to (with no prefixing or anything
+ * like that), and the patch_model's filename member will be set accordingly.
+ *
+ * This will break if:
+ * - The filename does not have an extension (ie contain a ".")
+ * - The patch_model has no (Om) path
+ */
+void
+PatchLibrarian::save_patch(PatchModel* patch_model, const string& filename, bool recursive)
+{
+ assert(filename != "");
+ assert(patch_model->path() != "");
+
+ cout << "Saving patch " << patch_model->path() << " to " << filename << endl;
+
+ patch_model->filename(filename);
+
+ string dir = filename.substr(0, filename.find_last_of("/"));
+
+ NodeModel* nm = NULL;
+ PatchModel* spm = NULL; // subpatch model
+
+ xmlDocPtr xml_doc = NULL;
+ xmlNodePtr xml_root_node = NULL;
+ xmlNodePtr xml_node = NULL;
+ xmlNodePtr xml_child_node = NULL;
+ xmlNodePtr xml_grandchild_node = NULL;
+
+ xml_doc = xmlNewDoc((xmlChar*)"1.0");
+ xml_root_node = xmlNewNode(NULL, (xmlChar*)"patch");
+ xmlDocSetRootElement(xml_doc, xml_root_node);
+
+ const size_t temp_buf_length = 255;
+ char temp_buf[temp_buf_length];
+
+ string patch_name;
+ if (patch_model->path() != "/") {
+ patch_name = patch_model->name();
+ } else {
+ patch_name = filename;
+ if (patch_name.find("/") != string::npos)
+ patch_name = patch_name.substr(patch_name.find_last_of("/") + 1);
+ if (patch_name.find(".") != string::npos)
+ patch_name = patch_name.substr(0, patch_name.find_last_of("."));
+ }
+
+ assert(patch_name.length() > 0);
+ xml_node = xmlNewChild(xml_root_node, NULL, (xmlChar*)"name",
+ (xmlChar*)patch_name.c_str());
+
+ snprintf(temp_buf, temp_buf_length, "%zd", patch_model->poly());
+ xml_node = xmlNewChild(xml_root_node, NULL, (xmlChar*)"polyphony", (xmlChar*)temp_buf);
+
+ // Write metadata
+ for (map<string, string>::const_iterator i = patch_model->metadata().begin();
+ i != patch_model->metadata().end(); ++i) {
+ // Dirty hack, don't save coordinates in patch file
+ if ((*i).first != "module-x" && (*i).first != "module-y"
+ && (*i).first != "filename")
+ xml_node = xmlNewChild(xml_root_node, NULL,
+ (xmlChar*)(*i).first.c_str(), (xmlChar*)(*i).second.c_str());
+
+ assert((*i).first != "node");
+ assert((*i).first != "subpatch");
+ assert((*i).first != "name");
+ assert((*i).first != "polyphony");
+ assert((*i).first != "preset");
+ }
+
+ // Save nodes and subpatches
+ for (NodeModelMap::const_iterator i = patch_model->nodes().begin(); i != patch_model->nodes().end(); ++i) {
+ nm = i->second;
+
+ if (nm->plugin()->type() == PluginModel::Patch) { // Subpatch
+ spm = (PatchModel*)i->second;
+ xml_node = xmlNewChild(xml_root_node, NULL, (xmlChar*)"subpatch", NULL);
+
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"name", (xmlChar*)spm->name().c_str());
+
+ string ref_filename;
+ // No path
+ if (spm->filename() == "") {
+ ref_filename = spm->name() + ".om";
+ spm->filename(dir +"/"+ ref_filename);
+ // Absolute path
+ } else if (spm->filename().substr(0, 1) == "/") {
+ // Attempt to make it a relative path, if it's undernath this patch's dir
+ if (dir.substr(0, 1) == "/" && spm->filename().substr(0, dir.length()) == dir) {
+ ref_filename = spm->filename().substr(dir.length()+1);
+ } else { // FIXME: not good
+ ref_filename = spm->filename().substr(spm->filename().find_last_of("/")+1);
+ spm->filename(dir +"/"+ ref_filename);
+ }
+ } else {
+ ref_filename = spm->filename();
+ }
+
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"filename", (xmlChar*)ref_filename.c_str());
+
+ snprintf(temp_buf, temp_buf_length, "%zd", spm->poly());
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"polyphony", (xmlChar*)temp_buf);
+
+ // Write metadata
+ for (map<string, string>::const_iterator i = nm->metadata().begin();
+ i != nm->metadata().end(); ++i) {
+ // Dirty hack, don't save metadata that would be in patch file
+ if ((*i).first != "polyphony" && (*i).first != "filename"
+ && (*i).first != "author" && (*i).first != "description")
+ xml_child_node = xmlNewChild(xml_node, NULL,
+ (xmlChar*)(*i).first.c_str(), (xmlChar*)(*i).second.c_str());
+ }
+
+ if (recursive)
+ save_patch(spm, spm->filename(), true);
+
+ } else { // Normal node
+ xml_node = xmlNewChild(xml_root_node, NULL, (xmlChar*)"node", NULL);
+
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"name", (xmlChar*)nm->name().c_str());
+
+ if (nm->plugin() == NULL) break;
+
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"polyphonic",
+ (xmlChar*)((nm->polyphonic()) ? "true" : "false"));
+
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"type",
+ (xmlChar*)nm->plugin()->type_string());
+ /*
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"plugin-label",
+ (xmlChar*)(nm->plugin()->plug_label().c_str()));
+
+ if (nm->plugin()->type() != PluginModel::Internal) {
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"library-name",
+ (xmlChar*)(nm->plugin()->lib_name().c_str()));
+ }*/
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"plugin-uri",
+ (xmlChar*)(nm->plugin()->uri().c_str()));
+
+ // Write metadata
+ for (map<string, string>::const_iterator i = nm->metadata().begin(); i != nm->metadata().end(); ++i) {
+ // DSSI _hack_ (FIXME: fix OSC to be more like this and not smash DSSI into metadata?)
+ if ((*i).first.substr(0, 16) == "dssi-configure--") {
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"dssi-configure", NULL);
+ xml_grandchild_node = xmlNewChild(xml_child_node, NULL,
+ (xmlChar*)"key", (xmlChar*)(*i).first.substr(16).c_str());
+ xml_grandchild_node = xmlNewChild(xml_child_node, NULL,
+ (xmlChar*)"value", (xmlChar*)(*i).second.c_str());
+ } else if ((*i).first == "dssi-program") {
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"dssi-program", NULL);
+ xml_grandchild_node = xmlNewChild(xml_child_node, NULL,
+ (xmlChar*)"bank", (xmlChar*)(*i).second.substr(0, (*i).second.find("/")).c_str());
+ xml_grandchild_node = xmlNewChild(xml_child_node, NULL,
+ (xmlChar*)"program", (xmlChar*)(*i).second.substr((*i).second.find("/")+1).c_str());
+ } else {
+ xml_child_node = xmlNewChild(xml_node, NULL,
+ (xmlChar*)(*i).first.c_str(), (xmlChar*)(*i).second.c_str());
+ }
+ }
+
+ PortModel* pm = NULL;
+ // Write port metadata, if necessary
+ for (list<PortModel*>::const_iterator i = nm->ports().begin(); i != nm->ports().end(); ++i) {
+ pm = (*i);
+ if (pm->is_input() && pm->user_min() != pm->min_val() || pm->user_max() != pm->max_val()) {
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"port", NULL);
+ xml_grandchild_node = xmlNewChild(xml_child_node, NULL, (xmlChar*)"name",
+ (xmlChar*)pm->path().name().c_str());
+ snprintf(temp_buf, temp_buf_length, "%f", pm->user_min());
+ xml_grandchild_node = xmlNewChild(xml_child_node, NULL, (xmlChar*)"user-min", (xmlChar*)temp_buf);
+ snprintf(temp_buf, temp_buf_length, "%f", pm->user_max());
+ xml_grandchild_node = xmlNewChild(xml_child_node, NULL, (xmlChar*)"user-max", (xmlChar*)temp_buf);
+ }
+ }
+ }
+ }
+
+ // Save connections
+
+ const list<ConnectionModel*>& cl = patch_model->connections();
+ const ConnectionModel* c = NULL;
+
+ for (list<ConnectionModel*>::const_iterator i = cl.begin(); i != cl.end(); ++i) {
+ c = (*i);
+ xml_node = xmlNewChild(xml_root_node, NULL, (xmlChar*)"connection", NULL);
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"source-node",
+ (xmlChar*)c->src_port_path().parent().name().c_str());
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"source-port",
+ (xmlChar*)c->src_port_path().name().c_str());
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"destination-node",
+ (xmlChar*)c->dst_port_path().parent().name().c_str());
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"destination-port",
+ (xmlChar*)c->dst_port_path().name().c_str());
+ }
+
+ // Save control values (ie presets eventually, right now just current control vals)
+
+ xmlNodePtr xml_preset_node = xmlNewChild(xml_root_node, NULL, (xmlChar*)"preset", NULL);
+ xml_node = xmlNewChild(xml_preset_node, NULL, (xmlChar*)"name", (xmlChar*)"default");
+
+ PortModel* pm = NULL;
+
+ // Save node port controls
+ for (NodeModelMap::const_iterator n = patch_model->nodes().begin(); n != patch_model->nodes().end(); ++n) {
+ nm = n->second;
+ for (PortModelList::const_iterator p = nm->ports().begin(); p != nm->ports().end(); ++p) {
+ pm = *p;
+ if (pm->is_input() && pm->is_control()) {
+ float val = pm->value();
+ xml_node = xmlNewChild(xml_preset_node, NULL, (xmlChar*)"control", NULL);
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"node-name",
+ (xmlChar*)nm->name().c_str());
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"port-name",
+ (xmlChar*)pm->path().name().c_str());
+ snprintf(temp_buf, temp_buf_length, "%f", val);
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"value",
+ (xmlChar*)temp_buf);
+ }
+ }
+ }
+
+ // Save patch port controls
+ for (PortModelList::const_iterator p = patch_model->ports().begin();
+ p != patch_model->ports().end(); ++p) {
+ pm = *p;
+ if (pm->is_input() && pm->is_control()) {
+ float val = pm->value();
+ xml_node = xmlNewChild(xml_preset_node, NULL, (xmlChar*)"control", NULL);
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"port-name",
+ (xmlChar*)pm->path().name().c_str());
+ snprintf(temp_buf, temp_buf_length, "%f", val);
+ xml_child_node = xmlNewChild(xml_node, NULL, (xmlChar*)"value",
+ (xmlChar*)temp_buf);
+ }
+ }
+
+ xmlSaveFormatFile(filename.c_str(), xml_doc, 1); // 1 == pretty print
+
+ xmlFreeDoc(xml_doc);
+ xmlCleanupParser();
+}
+
+
+/** Build a NodeModel given a pointer to a Node in a patch file.
+ */
+NodeModel*
+PatchLibrarian::parse_node(const PatchModel* parent, xmlDocPtr doc, const xmlNodePtr node)
+{
+ NodeModel* nm = new NodeModel("/UNINITIALIZED"); // FIXME: ew
+ PluginModel* plugin = new PluginModel();
+
+ xmlChar* key;
+ xmlNodePtr cur = node->xmlChildrenNode;
+
+ bool found_name = false;
+
+ while (cur != NULL) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+
+ if ((!xmlStrcmp(cur->name, (const xmlChar*)"name"))) {
+ nm->set_path(parent->base_path() + (char*)key);
+ found_name = true;
+ } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"polyphonic"))) {
+ nm->polyphonic(!strcmp((char*)key, "true"));
+ } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"type"))) {
+ plugin->set_type((const char*)key);
+ } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"library-name"))) {
+ plugin->lib_name((char*)key);
+ } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"plugin-label"))) {
+ plugin->plug_label((char*)key);
+ } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"plugin-uri"))) {
+ plugin->uri((char*)key);
+ } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"port"))) {
+ xmlNodePtr child = cur->xmlChildrenNode;
+
+ string path;
+ 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"))) {
+ path = nm->base_path() + (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;
+ }
+
+ // FIXME: nasty assumptions
+ PortModel* pm = new PortModel(path,
+ PortModel::CONTROL, PortModel::INPUT, PortModel::NONE,
+ 0.0, user_min, user_max);
+ nm->add_port(pm);
+
+ // 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"))) {
+ 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", bank +"/"+ program);
+
+ } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"dssi-configure"))) {
+ 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), dssi_value);
+
+ } else { // Don't know what this tag is, add it as metadata
+ if (key != NULL)
+ nm->set_metadata((const char*)cur->name, (const char*)key);
+ }
+ xmlFree(key);
+ key = NULL;
+
+ cur = cur->next;
+ }
+
+ if (nm->path() == "") {
+ cerr << "[PatchLibrarian] Malformed patch file (node tag has empty children)" << endl;
+ cerr << "[PatchLibrarian] Node ignored." << endl;
+ delete nm;
+ return NULL;
+ } else {
+ nm->plugin(plugin);
+ return nm;
+ }
+}
+
+
+void
+PatchLibrarian::load_subpatch(PatchModel* parent, xmlDocPtr doc, const xmlNodePtr subpatch)
+{
+ xmlChar *key;
+ xmlNodePtr cur = subpatch->xmlChildrenNode;
+
+ PatchModel* pm = new PatchModel("/UNINITIALIZED", 1); // FIXME: ew
+
+ while (cur != NULL) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+
+ if ((!xmlStrcmp(cur->name, (const xmlChar*)"name"))) {
+ if (parent == NULL)
+ pm->set_path(string("/") + (const char*)key);
+ else
+ pm->set_path(parent->base_path() + (const char*)key);
+ } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"polyphony"))) {
+ pm->poly(atoi((const char*)key));
+ } else if ((!xmlStrcmp(cur->name, (const xmlChar*)"filename"))) {
+ pm->filename((const char*)key);
+ } else { // Don't know what this tag is, add it as metadata
+ if (key != NULL && strlen((const char*)key) > 0)
+ pm->set_metadata((const char*)cur->name, (const char*)key);
+ }
+ xmlFree(key);
+ key = NULL;
+
+ cur = cur->next;
+ }
+
+ // This needs to be done after setting the path above, to prevent
+ // NodeModel::set_path from calling it's parent's rename_node with
+ // an invalid (nonexistant) name
+ pm->set_parent(parent);
+
+ load_patch(pm, false);
+}
+
+
+/** Build a ConnectionModel given a pointer to a connection in a patch file.
+ */
+ConnectionModel*
+PatchLibrarian::parse_connection(const PatchModel* parent, xmlDocPtr doc, const xmlNodePtr node)
+{
+ //cerr << "[PatchLibrarian] Parsing connection..." << endl;
+
+ 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 << "[PatchLibrarian] Malformed patch file (connection tag has empty children)" << endl;
+ cerr << "[PatchLibrarian] Connection ignored." << endl;
+ return NULL;
+ }
+
+ // FIXME: temporary compatibility, remove any slashes from port names
+ // remove this soon once patches have migrated
+ string::size_type slash_index;
+ while ((slash_index = source_port.find("/")) != string::npos)
+ source_port[slash_index] = '-';
+
+ while ((slash_index = dest_port.find("/")) != string::npos)
+ dest_port[slash_index] = '-';
+
+ ConnectionModel* cm = new ConnectionModel(parent->base_path() + source_node +"/"+ source_port,
+ parent->base_path() + dest_node +"/"+ dest_port);
+
+ return cm;
+}
+
+
+/** Build a PresetModel given a pointer to a preset in a patch file.
+ */
+PresetModel*
+PatchLibrarian::parse_preset(const PatchModel* patch, xmlDocPtr doc, const xmlNodePtr node)
+{
+ xmlNodePtr cur = node->xmlChildrenNode;
+ xmlChar* key;
+
+ PresetModel* pm = new PresetModel(patch->base_path());
+
+ 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;
+ }
+
+ if (port_name == "") {
+ string msg = "Unable to parse control in patch file ( node = ";
+ msg.append(node_name).append(", port = ").append(port_name).append(")");
+ 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() == "") {
+ m_client_hooks->error("Preset in patch file has no name.");
+ pm->name("Unnamed");
+ }
+
+ return pm;
+}
+#endif
+
+
+} // namespace LibOmClient
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-09 15:20:36 +0000