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73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
16 years ago
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/* $Id$ */
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/** @file script_info.cpp Implementation of ScriptFileInfo. */
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#include "../stdafx.h"
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#include <squirrel.h>
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#include "squirrel.hpp"
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#include "squirrel_helper.hpp"
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#include "script_info.hpp"
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#include "script_scanner.hpp"
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ScriptFileInfo::~ScriptFileInfo()
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{
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free((void *)this->author);
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free((void *)this->name);
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free((void *)this->short_name);
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free((void *)this->description);
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free((void *)this->date);
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free((void *)this->instance_name);
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free(this->main_script);
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free(this->SQ_instance);
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}
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bool ScriptFileInfo::CheckMethod(const char *name) const
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{
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if (!this->engine->MethodExists(*this->SQ_instance, name)) {
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char error[1024];
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snprintf(error, sizeof(error), "your info.nut/library.nut doesn't have the method '%s'", name);
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this->engine->ThrowError(error);
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return false;
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}
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return true;
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}
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/* static */ SQInteger ScriptFileInfo::Constructor(HSQUIRRELVM vm, ScriptFileInfo *info)
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{
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/* Set some basic info from the parent */
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info->SQ_instance = MallocT<SQObject>(1);
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Squirrel::GetInstance(vm, info->SQ_instance, 2);
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/* Make sure the instance stays alive over time */
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sq_addref(vm, info->SQ_instance);
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ScriptScanner *scanner = (ScriptScanner *)Squirrel::GetGlobalPointer(vm);
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info->engine = scanner->GetEngine();
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static const char * const required_functions[] = {
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"GetAuthor",
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"GetName",
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"GetShortName",
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"GetDescription",
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"GetVersion",
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"GetDate",
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"CreateInstance",
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};
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for (size_t i = 0; i < lengthof(required_functions); i++) {
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if (!info->CheckMethod(required_functions[i])) return SQ_ERROR;
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}
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info->main_script = strdup(scanner->GetMainScript());
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/* Cache the data the info file gives us. */
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if (!info->engine->CallStringMethodStrdup(*info->SQ_instance, "GetAuthor", &info->author)) return SQ_ERROR;
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if (!info->engine->CallStringMethodStrdup(*info->SQ_instance, "GetName", &info->name)) return SQ_ERROR;
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if (!info->engine->CallStringMethodStrdup(*info->SQ_instance, "GetShortName", &info->short_name)) return SQ_ERROR;
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if (!info->engine->CallStringMethodStrdup(*info->SQ_instance, "GetDescription", &info->description)) return SQ_ERROR;
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if (!info->engine->CallStringMethodStrdup(*info->SQ_instance, "GetDate", &info->date)) return SQ_ERROR;
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if (!info->engine->CallIntegerMethod(*info->SQ_instance, "GetVersion", &info->version)) return SQ_ERROR;
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if (!info->engine->CallStringMethodStrdup(*info->SQ_instance, "CreateInstance", &info->instance_name)) return SQ_ERROR;
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return 0;
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}
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