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#include "nerv/common.h"
#include "cwrapper.h"
#include <stdio.h>
const char *nerv_tnet_feat_repo_tname = "nerv.TNetFeatureRepo";
const char *nerv_tnet_label_repo_tname = "nerv.TNetLabelRepo";
const char *nerv_matrix_host_float_tname = "nerv.MMatrixFloat";
static int feat_repo_new(lua_State *L) {
TNetFeatureRepo *repo = NULL;
if(lua_gettop(L) == 1)
{
long id = luaL_checkinteger(L, 1);
repo = tnet_feature_repo_newWithId(id);
}
else
{
const char *scp_file = luaL_checkstring(L, 1);
const char *conf = luaL_checkstring(L, 2);
int frm_ext = luaL_checkinteger(L, 3);
repo = tnet_feature_repo_new(scp_file, conf, frm_ext);
}
luaT_pushudata(L, repo, nerv_tnet_feat_repo_tname);
return 1;
}
static int feat_repo_id(lua_State *L) {
TNetFeatureRepo *repo = luaT_checkudata(L, 1, nerv_tnet_feat_repo_tname);
lua_pushinteger(L, tnet_feature_repo_id(repo));
return 1;
}
static int feat_repo_tostring(lua_State *L)
{
char str[128];
TNetFeatureRepo *repo = luaT_checkudata(L, 1, nerv_tnet_feat_repo_tname);
snprintf(str, 128, "%s <%lx>", nerv_tnet_feat_repo_tname, tnet_feature_repo_id(repo));
lua_pushstring(L, str);
return 1;
}
static int feat_repo_destroy(lua_State *L) {
TNetFeatureRepo *repo = luaT_checkudata(L, 1, nerv_tnet_feat_repo_tname);
tnet_feature_repo_destroy(repo);
return 0;
}
static int feat_repo_current_tag(lua_State *L) {
TNetFeatureRepo *repo = luaT_checkudata(L, 1, nerv_tnet_feat_repo_tname);
lua_pushstring(L, tnet_feature_repo_current_tag(repo));
return 1;
}
static int feat_repo_current_utterance(lua_State *L) {
TNetFeatureRepo *repo = luaT_checkudata(L, 1, nerv_tnet_feat_repo_tname);
int debug;
if (!lua_isboolean(L, 2))
nerv_error(L, "debug flag should be a boolean");
debug = lua_toboolean(L, 2);
Matrix *utter = tnet_feature_repo_read_utterance(repo, L, debug);
luaT_pushudata(L, utter, nerv_matrix_host_float_tname);
return 1;
}
static int feat_repo_next(lua_State *L) {
TNetFeatureRepo *repo = luaT_checkudata(L, 1, nerv_tnet_feat_repo_tname);
tnet_feature_repo_next(repo);
return 0;
}
static int feat_repo_is_end(lua_State *L) {
TNetFeatureRepo *repo = luaT_checkudata(L, 1, nerv_tnet_feat_repo_tname);
lua_pushboolean(L, tnet_feature_repo_is_end(repo));
return 1;
}
static const luaL_Reg feat_repo_methods[] = {
{"cur_utter", feat_repo_current_utterance},
{"cur_tag", feat_repo_current_tag},
{"next", feat_repo_next},
{"is_end", feat_repo_is_end},
{"__tostring", feat_repo_tostring},
{"id", feat_repo_id},
{NULL, NULL}
};
static int label_repo_new(lua_State *L) {
TNetLabelRepo *repo = NULL;
if(lua_gettop(L) == 1)
{
long id = luaL_checkinteger(L, 1);
repo = tnet_label_repo_newWithId(id);
}
else
{
const char *mlf_file = luaL_checkstring(L, 1);
const char *fmt = luaL_checkstring(L, 2);
const char *arg = luaL_checkstring(L, 3);
const char *dir = luaL_checkstring(L, 4);
const char *ext = luaL_checkstring(L, 5);
repo = tnet_label_repo_new(
mlf_file, fmt, arg,
dir, ext);
}
luaT_pushudata(L, repo, nerv_tnet_label_repo_tname);
return 1;
}
static int label_repo_id(lua_State *L) {
TNetLabelRepo *repo = luaT_checkudata(L, 1, nerv_tnet_label_repo_tname);
lua_pushinteger(L, tnet_label_repo_id(repo));
return 1;
}
static int label_repo_read_utterance(lua_State *L) {
TNetLabelRepo *repo = luaT_checkudata(L, 1, nerv_tnet_label_repo_tname);
TNetFeatureRepo *feat_repo = luaT_checkudata(L, 2, nerv_tnet_feat_repo_tname);
size_t frames = luaL_checkinteger(L, 3);
int debug;
if (!lua_isboolean(L, 4))
nerv_error(L, "debug flag should be a boolean");
debug = lua_toboolean(L, 4);
Matrix *utter = tnet_label_repo_read_utterance(repo,
frames,
tnet_feature_repo_current_samplerate(feat_repo),
tnet_feature_repo_current_tag(feat_repo), L, debug);
luaT_pushudata(L, utter, nerv_matrix_host_float_tname);
return 1;
}
static int label_repo_destroy(lua_State *L) {
TNetLabelRepo *repo = luaT_checkudata(L, 1, nerv_tnet_label_repo_tname);
tnet_label_repo_destroy(repo);
return 0;
}
static const luaL_Reg label_repo_methods[] = {
{"get_utter", label_repo_read_utterance},
{"id", label_repo_id},
{NULL, NULL}
};
static void feat_repo_init(lua_State *L) {
luaT_newmetatable(L, nerv_tnet_feat_repo_tname, NULL,
feat_repo_new, feat_repo_destroy, NULL);
luaL_register(L, NULL, feat_repo_methods);
lua_pop(L, 1);
}
static void label_repo_init(lua_State *L) {
luaT_newmetatable(L, nerv_tnet_label_repo_tname, NULL,
label_repo_new, label_repo_destroy, NULL);
luaL_register(L, NULL, label_repo_methods);
lua_pop(L, 1);
}
void tnet_io_init(lua_State *L) {
feat_repo_init(L);
label_repo_init(L);
}
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