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authorDavid Robillard <d@drobilla.net>2006-09-30 06:47:00 +0000
committerDavid Robillard <d@drobilla.net>2006-09-30 06:47:00 +0000
commit35a5d92cfcf6815553a0939c3e2bf77c1108fd31 (patch)
tree456351b4b18d48aba25a2db7218df9be09d4047e /src/libs/client/DeprecatedSerializer.cpp
parentd82dcd232f201b531a0be165ee44aede1bc8a1df (diff)
downloadingen-35a5d92cfcf6815553a0939c3e2bf77c1108fd31.tar.gz
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Work on RDF serialization (only (partial) saving so far).
git-svn-id: http://svn.drobilla.net/lad/ingen@146 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/libs/client/DeprecatedSerializer.cpp')
-rw-r--r--src/libs/client/DeprecatedSerializer.cpp662
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