vmap/plugins/mapq3/parse.cpp

139 lines
4.1 KiB
C++

/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant 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 2 of the License, or
(at your option) any later version.
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "parse.h"
#include <list>
#include "ientity.h"
#include "ibrush.h"
#include "ipatch.h"
#include "ieclass.h"
#include "iscriplib.h"
#include "scenelib.h"
#include "string/string.h"
#include "stringio.h"
#include "eclasslib.h"
inline MapImporter *Node_getMapImporter(scene::Node &node)
{
return NodeTypeCast<MapImporter>::cast(node);
}
typedef std::list<std::pair<CopiedString, CopiedString> > KeyValues;
NodeSmartReference g_nullNode(NewNullNode());
NodeSmartReference Entity_create(EntityCreator &entityTable, EntityClass *entityClass, const KeyValues &keyValues)
{
scene::Node &entity(entityTable.createEntity(entityClass));
for (KeyValues::const_iterator i = keyValues.begin(); i != keyValues.end(); ++i) {
Node_getEntity(entity)->setKeyValue((*i).first.c_str(), (*i).second.c_str());
}
return NodeSmartReference(entity);
}
NodeSmartReference
Entity_parseTokens(Tokeniser &tokeniser, EntityCreator &entityTable, const PrimitiveParser &parser, int index)
{
NodeSmartReference entity(g_nullNode);
KeyValues keyValues;
const char *classname = "";
int count_primitives = 0;
while (1) {
tokeniser.nextLine();
const char *token = tokeniser.getToken();
if (token == 0) {
Tokeniser_unexpectedError(tokeniser, token, "#entity-token");
return g_nullNode;
}
if (!strcmp(token, "}")) { // end entity
if (entity == g_nullNode) {
// entity does not have brushes
entity = Entity_create(entityTable, GlobalEntityClassManager().findOrInsert(classname, false),
keyValues);
}
return entity;
} else if (!strcmp(token, "{")) { // begin primitive
if (entity == g_nullNode) {
// entity has brushes
entity = Entity_create(entityTable, GlobalEntityClassManager().findOrInsert(classname, true),
keyValues);
}
tokeniser.nextLine();
NodeSmartReference primitive(parser.parsePrimitive(tokeniser));
if (primitive == g_nullNode || !Node_getMapImporter(primitive)->importTokens(tokeniser)) {
globalErrorStream() << "brush " << count_primitives << ": parse error\n";
return g_nullNode;
}
scene::Traversable *traversable = Node_getTraversable(entity);
if (Node_getEntity(entity)->isContainer() && traversable != 0) {
traversable->insert(primitive);
} else {
globalErrorStream() << "entity " << index << ": type " << classname << ": discarding brush "
<< count_primitives << "\n";
}
++count_primitives;
} else // epair
{
CopiedString key(token);
token = tokeniser.getToken();
if (token == 0) {
Tokeniser_unexpectedError(tokeniser, token, "#epair-value");
return g_nullNode;
}
keyValues.push_back(KeyValues::value_type(key, token));
if (string_equal(key.c_str(), "classname")) {
classname = keyValues.back().second.c_str();
}
}
}
// unreachable code
return g_nullNode;
}
void Map_Read(scene::Node &root, Tokeniser &tokeniser, EntityCreator &entityTable, const PrimitiveParser &parser)
{
int count_entities = 0;
for (;;) {
tokeniser.nextLine();
if (!tokeniser.getToken()) { // { or 0
break;
}
NodeSmartReference entity(Entity_parseTokens(tokeniser, entityTable, parser, count_entities));
if (entity == g_nullNode) {
globalErrorStream() << "entity " << count_entities << ": parse error\n";
return;
}
Node_getTraversable(root)->insert(entity);
++count_entities;
}
}