You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
3.4 KiB
C
80 lines
3.4 KiB
C
2 years ago
|
// Copyright 2008, Google Inc. All rights reserved.
|
||
|
|
//
|
||
|
|
// Redistribution and use in source and binary forms, with or without
|
||
|
|
// modification, are permitted provided that the following conditions are met:
|
||
|
|
//
|
||
|
|
// 1. Redistributions of source code must retain the above copyright notice,
|
||
|
|
// this list of conditions and the following disclaimer.
|
||
|
|
// 2. Redistributions in binary form must reproduce the above copyright notice,
|
||
|
|
// this list of conditions and the following disclaimer in the documentation
|
||
|
|
// and/or other materials provided with the distribution.
|
||
|
|
// 3. Neither the name of Google Inc. nor the names of its contributors may be
|
||
|
|
// used to endorse or promote products derived from this software without
|
||
|
|
// specific prior written permission.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||
|
|
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||
|
|
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
|
||
|
|
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
||
|
|
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||
|
|
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
||
|
|
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
||
|
|
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
|
||
|
|
// This file contains the internal Parser class.
|
||
|
|
|
||
|
|
#ifndef KML_DOM_PARSER_H__
|
||
|
|
#define KML_DOM_PARSER_H__
|
||
|
|
|
||
|
|
#include <vector>
|
||
|
|
#include "kml/dom/kml_ptr.h"
|
||
|
|
#include "kml/dom/parser_observer.h"
|
||
|
|
#include "kml/base/util.h"
|
||
|
|
|
||
|
|
namespace kmldom {
|
||
|
|
|
||
|
|
// The internal Parser class implements the public Parse API.
|
||
|
|
// CDATA tags are dropped (by expat) upon parse and internally we carry
|
||
|
|
// around the resultant representation. There are thus no methods within
|
||
|
|
// the KML DOM to set/get/query for the presence of CDATA. The serializer
|
||
|
|
// scans the markup and conditionally wraps entities with CDATA. For files
|
||
|
|
// with multiple CDATA wrappers in a single element's character data, this
|
||
|
|
// will result in a single CDATA wrapper.
|
||
|
|
//
|
||
|
|
// Intended usage:
|
||
|
|
// Parser parser;
|
||
|
|
// parser.AddObserver(...);
|
||
|
|
// parser.AddObserver(...);
|
||
|
|
// ...
|
||
|
|
// string errors;
|
||
|
|
// ElementPtr root = parser.Parse(kml, &errors);
|
||
|
|
class Parser {
|
||
|
|
public:
|
||
|
|
Parser() {}
|
||
|
|
// This method calls the parser with the given KML string. If there are
|
||
|
|
// any errors NULL is returned and if error's is non-NULL a human readable
|
||
|
|
// diagnostic is stored there. If there are no parse errors the root
|
||
|
|
// element is returned. Note that any ParseObserver can terminate the parse.
|
||
|
|
ElementPtr Parse(const string& kml, string *errors);
|
||
|
|
|
||
|
|
// As Parse(), but invokes the underlying XML parser's namespace-aware mode.
|
||
|
|
ElementPtr ParseNS(const string& kml, string *errors);
|
||
|
|
|
||
|
|
// As Parse(), but invokes the underlying XML parser's namespace-aware mode
|
||
|
|
// with special recognition of the Atom namespace. See kml_funcs.h.
|
||
|
|
ElementPtr ParseAtom(const string& atom, string *errors);
|
||
|
|
|
||
|
|
// This method registers the given ParserObserver-based class. Each
|
||
|
|
// NewElement() and AddChild() method is called in the order added.
|
||
|
|
void AddObserver(ParserObserver* parser_observer);
|
||
|
|
private:
|
||
|
|
parser_observer_vector_t observers_;
|
||
|
|
LIBKML_DISALLOW_EVIL_CONSTRUCTORS(Parser);
|
||
|
|
};
|
||
|
|
|
||
|
|
} // end namespace kmldom
|
||
|
|
|
||
|
|
#endif // KML_DOM_PARSER_H__
|