118 lines
2.9 KiB
C++
118 lines
2.9 KiB
C++
/*
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* C++ interface for OverLua
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*
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Copyright 2007 Niels Martin Hansen
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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
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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Contact:
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E-mail: <jiifurusu@gmail.com>
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IRC: jfs in #aegisub on irc.rizon.net
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*/
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#include "overlua.h"
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#include <stdio.h>
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#ifdef WIN32
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#define WIN32_LEAN_AND_MEAN
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#define WIN32_EXTRA_LEAN
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#include <windows.h>
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#endif
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struct FileScriptReader {
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static const size_t datasize = 0x10000;
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char *data;
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FILE *file;
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FileScriptReader() { data = new char[datasize]; }
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~FileScriptReader() { delete[] data; }
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static const char *reader(lua_State *L, void *data, size_t *size)
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{
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FileScriptReader *self = (FileScriptReader*)data;
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*size = fread(self->data, 1, self->datasize, self->file);
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if (*size) return self->data;
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else return 0;
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}
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};
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OverLuaScript::OverLuaScript(const char *filename, const char *datastring)
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{
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FileScriptReader reader;
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#ifdef WIN32
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wchar_t *filenamew = new wchar_t[MAX_PATH];
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MultiByteToWideChar(CP_UTF8, 0, filename, -1, filenamew, MAX_PATH);
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reader.file = _wfopen(filenamew, L"r");
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delete[] filenamew;
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#else
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reader.file = fopen(filename, "r");
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#endif
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Create(reader, filename, datastring);
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fclose(reader.file);
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}
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struct MemScriptReader {
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const void *memdata;
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size_t memdatasize;
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static const char *reader(lua_State *L, void *data, size_t *size)
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{
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MemScriptReader *self = (MemScriptReader*)data;
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*size = self->memdatasize;
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self->memdatasize = 0;
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if (*size) return (const char*)self->memdata;
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else return 0;
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}
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};
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int OverLuaScript::lua_debug_print(lua_State *L)
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{
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const char *str = luaL_checkstring(L, 1);
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#ifdef WIN32
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OutputDebugStringA(str); // ought to be W version but conversion is such a hassle
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#else
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printf(str);
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#endif
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return 0;
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}
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OverLuaScript::OverLuaScript(const void *data, size_t length, const char *datastring)
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{
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MemScriptReader reader;
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reader.memdata = data;
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reader.memdatasize = length;
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Create(reader, "Memory script", datastring);
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}
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OverLuaScript::~OverLuaScript()
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{
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lua_close(L);
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}
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void OverLuaScript::RenderFrameRGB(BaseImageAggregate &frame, double time)
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{
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lua_getglobal(L, "render_frame");
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frame.CreateLuaObject(L);
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lua_pushnumber(L, time);
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if (lua_pcall(L, 2, 0, 0)) {
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const char *err = lua_tostring(L, -1);
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throw err;
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}
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lua_gc(L, LUA_GCCOLLECT, 0);
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}
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