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/*************************************************************************** |
/*************************************************************************** |
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* * |
* * |
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* Copyright (C) 2008 Andreas Persson * |
* Copyright (C) 2008 - 2012 Andreas Persson * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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Out[0] = 0; |
Out[0] = 0; |
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Out[1] = 0; |
Out[1] = 0; |
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UriMap = 0; |
UriMap = 0; |
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PathSupport = 0; |
MapPath = 0; |
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NewFileSupport = 0; |
MakePath = 0; |
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for (int i = 0 ; Features[i] ; i++) { |
for (int i = 0 ; Features[i] ; i++) { |
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dmsg(2, ("linuxsampler: host feature: %s\n", Features[i]->URI)); |
dmsg(2, ("linuxsampler: init feature: %s\n", Features[i]->URI)); |
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if (!strcmp(Features[i]->URI, LV2_URI_MAP_URI)) { |
if (!strcmp(Features[i]->URI, LV2_URI_MAP_URI)) { |
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UriMap = (LV2_URI_Map_Feature*)Features[i]->data; |
UriMap = (LV2_URI_Map_Feature*)Features[i]->data; |
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} else if (!strcmp(Features[i]->URI, LV2_FILES_PATH_SUPPORT_URI)) { |
} else if (!strcmp(Features[i]->URI, LV2_STATE__mapPath)) { |
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PathSupport = (LV2_Files_Path_Support*)Features[i]->data; |
MapPath = (LV2_State_Map_Path*)Features[i]->data; |
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} else if (!strcmp(Features[i]->URI, LV2_FILES_NEW_FILE_SUPPORT_URI)) { |
} else if (!strcmp(Features[i]->URI, LV2_STATE__makePath)) { |
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NewFileSupport = (LV2_Files_New_File_Support*)Features[i]->data; |
MakePath = (LV2_State_Make_Path*)Features[i]->data; |
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} |
} |
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} |
} |
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} |
} |
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String PluginLv2::PathToState(const String& path) { |
String PluginLv2::PathToState(const String& path) { |
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if (PathSupport) { |
if (MapPath) { |
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char* cstr = PathSupport->abstract_path(PathSupport->host_data, |
char* cstr = MapPath->abstract_path(MapPath->handle, path.c_str()); |
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path.c_str()); |
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const String abstract_path(cstr); |
const String abstract_path(cstr); |
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free(cstr); |
free(cstr); |
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return abstract_path; |
return abstract_path; |
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} |
} |
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String PluginLv2::PathFromState(const String& path) { |
String PluginLv2::PathFromState(const String& path) { |
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if (PathSupport) { |
if (MapPath) { |
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char* cstr = PathSupport->absolute_path(PathSupport->host_data, |
char* cstr = MapPath->absolute_path(MapPath->handle, path.c_str()); |
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path.c_str()); |
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const String abstract_path(cstr); |
const String abstract_path(cstr); |
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free(cstr); |
free(cstr); |
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return abstract_path; |
return abstract_path; |
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return path; |
return path; |
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} |
} |
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void PluginLv2::Save(LV2_Persist_Store_Function store, void* host_data) { |
void PluginLv2::SetStateFeatures(const LV2_Feature* const* Features) |
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if (NewFileSupport) { |
{ |
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char* path = NewFileSupport->new_file_path(PathSupport->host_data, |
for (int i = 0 ; Features[i] ; i++) { |
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"linuxsampler"); |
dmsg(2, ("linuxsampler: state feature: %s\n", Features[i]->URI)); |
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dmsg(2, ("saving to file %s\n", path)); |
if (!strcmp(Features[i]->URI, LV2_STATE__mapPath)) { |
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MapPath = (LV2_State_Map_Path*)Features[i]->data; |
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} else if (!strcmp(Features[i]->URI, LV2_STATE__makePath)) { |
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MakePath = (LV2_State_Make_Path*)Features[i]->data; |
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} |
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} |
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} |
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std::ofstream out(path); |
LV2_State_Status PluginLv2::Save( |
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LV2_State_Store_Function store, LV2_State_Handle handle, |
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uint32_t flags, const LV2_Feature* const* features) |
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{ |
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LV2_State_Map_Path* OldMapPath = MapPath; |
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LV2_State_Make_Path* OldMakePath = MakePath; |
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SetStateFeatures(features); |
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if (MakePath && MapPath) { |
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char* abs_path = MakePath->path(MakePath->handle, "linuxsampler"); |
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dmsg(2, ("saving to file %s\n", abs_path)); |
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std::ofstream out(abs_path); |
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out << GetState(); |
out << GetState(); |
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const String abstract_path = PathToState(path); |
char* path = MapPath->abstract_path(MapPath->handle, abs_path); |
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store(host_data, |
store(handle, |
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uri_to_id(NULL, NS_LS "state-file"), |
uri_to_id(NULL, NS_LS "state-file"), |
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abstract_path.c_str(), |
path, |
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abstract_path.length() + 1, |
strlen(path) + 1, |
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uri_to_id(NULL, LV2_FILES_URI "#AbstractPath"), |
uri_to_id(NULL, NS_ATOM "Path"), |
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LV2_PERSIST_IS_PORTABLE); |
LV2_STATE_IS_PORTABLE); |
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free(path); |
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free(abs_path); |
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} else { |
} else { |
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dmsg(2, ("saving to string\n")); |
dmsg(2, ("saving to string\n")); |
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std::ostringstream out; |
std::ostringstream out; |
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out << GetState(); |
out << GetState(); |
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store(host_data, |
store(handle, |
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uri_to_id(NULL, NS_LS "state-string"), |
uri_to_id(NULL, NS_LS "state-string"), |
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out.str().c_str(), |
out.str().c_str(), |
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out.str().length() + 1, |
out.str().length() + 1, |
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uri_to_id(NULL, NS_ATOM "String"), |
uri_to_id(NULL, NS_ATOM "String"), |
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LV2_PERSIST_IS_POD | LV2_PERSIST_IS_PORTABLE); |
LV2_STATE_IS_POD | LV2_STATE_IS_PORTABLE); |
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} |
} |
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dmsg(2, ("saving done\n")); |
dmsg(2, ("saving done\n")); |
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MapPath = OldMapPath; |
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MakePath = OldMakePath; |
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return LV2_STATE_SUCCESS; |
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} |
} |
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void PluginLv2::Restore(LV2_Persist_Retrieve_Function retrieve, void* data) { |
LV2_State_Status PluginLv2::Restore( |
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LV2_State_Retrieve_Function retrieve, LV2_State_Handle handle, |
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uint32_t rflags, const LV2_Feature* const* features) |
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{ |
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LV2_State_Map_Path* OldMapPath = MapPath; |
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LV2_State_Make_Path* OldMakePath = MakePath; |
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SetStateFeatures(features); |
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size_t size; |
size_t size; |
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uint32_t type; |
uint32_t type; |
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uint32_t flags; |
uint32_t flags; |
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|
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const void* value = retrieve( |
const void* value = retrieve( |
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data, |
handle, |
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uri_to_id(NULL, NS_LS "state-file"), |
uri_to_id(NULL, NS_LS "state-file"), |
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&size, &type, &flags); |
&size, &type, &flags); |
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|
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if (value) { |
if (value) { |
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assert(type == uri_to_id(NULL, LV2_FILES_URI "#AbstractPath")); |
// Restore from state-file |
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const String path = PathFromState((const char*)value); |
assert(type == uri_to_id(NULL, NS_ATOM "Path")); |
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const String path((const char*)value); |
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dmsg(2, ("linuxsampler: restoring from file %s\n", path.c_str())); |
dmsg(2, ("linuxsampler: restoring from file %s\n", path.c_str())); |
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std::ifstream in(path.c_str()); |
std::ifstream in(path.c_str()); |
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String state; |
String state; |
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std::getline(in, state, '\0'); |
std::getline(in, state, '\0'); |
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SetState(state); |
SetState(state); |
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return; |
} else if ((value = retrieve(handle, |
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} |
uri_to_id(NULL, NS_LS "state-string"), |
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&size, &type, &flags))) { |
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value = retrieve( |
// Restore from state-string |
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data, |
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uri_to_id(NULL, NS_LS "state-string"), |
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&size, &type, &flags); |
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if (value) { |
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dmsg(2, ("linuxsampler: restoring from string\n")); |
dmsg(2, ("linuxsampler: restoring from string\n")); |
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assert(type == uri_to_id(NULL, NS_ATOM "String")); |
assert(type == uri_to_id(NULL, NS_ATOM "String")); |
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String state((const char*)value); |
String state((const char*)value); |
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SetState(state); |
SetState(state); |
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return; |
} else { |
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// No valid state found, reset to default state |
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dmsg(2, ("linuxsampler: restoring default state\n")); |
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SetState(DefaultState); |
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} |
} |
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// No valid state found, reset to default state |
MapPath = OldMapPath; |
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dmsg(2, ("linuxsampler: restoring default state\n")); |
MakePath = OldMakePath; |
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SetState(DefaultState); |
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return LV2_STATE_SUCCESS; |
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} |
} |
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LV2_Handle instantiate(const LV2_Descriptor* descriptor, |
LV2_Handle instantiate(const LV2_Descriptor* descriptor, |
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delete static_cast<PluginLv2*>(instance); |
delete static_cast<PluginLv2*>(instance); |
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} |
} |
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void save(LV2_Handle handle, LV2_Persist_Store_Function store, void* callback_data) { |
LV2_State_Status save(LV2_Handle handle, LV2_State_Store_Function store, |
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return static_cast<PluginLv2*>(handle)->Save(store, callback_data); |
LV2_State_Handle state, |
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uint32_t flags, const LV2_Feature* const* features) { |
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return static_cast<PluginLv2*>(handle)->Save( |
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store, state, flags, features); |
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} |
} |
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void restore(LV2_Handle handle, LV2_Persist_Retrieve_Function store, void* callback_data) { |
LV2_State_Status restore(LV2_Handle handle, LV2_State_Retrieve_Function retrieve, |
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return static_cast<PluginLv2*>(handle)->Restore(store, callback_data); |
LV2_State_Handle state, |
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uint32_t flags, const LV2_Feature* const* features) { |
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return static_cast<PluginLv2*>(handle)->Restore( |
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retrieve, state, flags, features); |
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} |
} |
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PluginInfo PluginInfo::Instance; |
PluginInfo PluginInfo::Instance; |
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Lv2.instantiate = instantiate; |
Lv2.instantiate = instantiate; |
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Lv2.run = run; |
Lv2.run = run; |
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Lv2.extension_data = extension_data; |
Lv2.extension_data = extension_data; |
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Persist.save = save; |
StateInterface.save = save; |
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Persist.restore = restore; |
StateInterface.restore = restore; |
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} |
} |
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const void* extension_data(const char* uri) { |
const void* extension_data(const char* uri) { |
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dmsg(2, ("linuxsampler: extension_data %s\n", uri)); |
dmsg(2, ("linuxsampler: extension_data %s\n", uri)); |
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if (strcmp(uri, LV2_PERSIST_URI) == 0) { |
if (strcmp(uri, LV2_STATE__interface) == 0) { |
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return PluginInfo::Lv2PersistDescriptor(); |
return PluginInfo::Lv2StateInterface(); |
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} |
} |
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return 0; |
return 0; |
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} |
} |