moonfall/ScriptManifest.cpp

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2014-10-21 04:54:42 +00:00
/*
Moonfall Copyright (C) 2008 Alex Yatskov
This program 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 3 of the License, or
(at your option) any later version.
This program 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 more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Pch.h"
#include "ScriptManifest.h"
#include "Script.h"
bool ScriptManifest::LoadManifest(const char* filename)
{
boost::shared_ptr<const Buffer> buffer = System::LoadFile(filename);
if (!buffer)
{
TRACE_ERROR(boost::format("Cannot load script manifest %s") % filename);
return false;
}
TiXmlDocument document;
if (!document.Parse(static_cast<const char*>(buffer->Get())))
{
TRACE_ERROR(boost::format("Cannot parse script manifest %s") % filename);
return false;
}
const TiXmlElement* rootElement = document.RootElement();
if (rootElement == NULL || strcmp(rootElement->Value(), "Manifest") != 0)
{
return false;
}
for (const TiXmlElement* scriptElement = rootElement->FirstChildElement(); scriptElement != NULL; scriptElement = scriptElement->NextSiblingElement())
{
if (strcmp(scriptElement->Value(), "Script") != 0)
{
continue;
}
const char* asset = scriptElement->Attribute("asset");
const char* alias = scriptElement->Attribute("alias");
if (asset == NULL || alias == NULL)
{
TRACE_WARNING("Script definition is missing required fields");
continue;
}
if (m_manifest.find(alias) != m_manifest.end())
{
TRACE_WARNING(boost::format("Duplicate script %s") % alias);
continue;
}
ScriptEntry entry(asset);
for (const TiXmlElement* parametersElement = scriptElement->FirstChildElement(); parametersElement != NULL; parametersElement = parametersElement->NextSiblingElement())
{
if (strcmp(parametersElement->Value(), "Parameters") != 0)
{
continue;
}
for (const TiXmlElement* parameterElement = parametersElement->FirstChildElement(); parameterElement != NULL; parameterElement = parameterElement->NextSiblingElement())
{
if (strcmp(parameterElement->Value(), "Parameter") != 0)
{
continue;
}
const char* parameterName = parameterElement->Attribute("name");
if (parameterName == NULL)
{
TRACE_WARNING("Script parameter has no name");
continue;
}
ScriptParameterType parameterType = SCRIPT_PARAMETER_TYPE_STRING;
const char* parameterTypeStr = parameterElement->Attribute("type");
if (parameterTypeStr != NULL)
{
if (strcmp(parameterTypeStr, "boolean") == 0)
{
parameterType = SCRIPT_PARAMETER_TYPE_BOOLEAN;
}
else if (strcmp(parameterTypeStr, "number") == 0)
{
parameterType = SCRIPT_PARAMETER_TYPE_NUMBER;
}
else if (strcmp(parameterTypeStr, "string") != 0)
{
TRACE_WARNING(boost::format("Unrecognized parameter type %s in script %s") % parameterTypeStr % parameterName);
}
}
const char* parameterValue = parameterElement->Attribute("value");
if (parameterValue == NULL)
{
static const char emptyString[] = "";
static const char emptyBoolean[] = "false";
static const char emptyNumber[] = "0";
switch (parameterType)
{
case SCRIPT_PARAMETER_TYPE_BOOLEAN:
parameterValue = emptyBoolean;
break;
case SCRIPT_PARAMETER_TYPE_NUMBER:
parameterValue = emptyNumber;
break;
default:
parameterValue = emptyString;
break;
}
}
entry.parameters.insert(std::make_pair(parameterName, ScriptParameter(parameterValue, parameterType)));
}
}
m_manifest.insert(std::make_pair(alias, entry));
}
return true;
}
void ScriptManifest::ClearManifest()
{
m_manifest.clear();
}
void ScriptManifest::SummarizeScripts(std::vector<ScriptSummary>* summary) const
{
for (ScriptMap::const_iterator iter = m_manifest.begin(); iter != m_manifest.end(); ++iter)
{
summary->push_back(ScriptSummary(iter->first.c_str(), iter->second.filename, iter->second.parameters));
}
}
boost::shared_ptr<const Buffer> ScriptManifest::LoadScriptCode(const char* scriptAlias) const
{
ScriptMap::const_iterator iter = m_manifest.find(scriptAlias);
if (iter == m_manifest.end())
{
TRACE_ERROR(boost::format("Cannot load script %s") % scriptAlias);
return boost::shared_ptr<const Buffer>();
}
return System::LoadFile(iter->second.filename.c_str());
}