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XML_as.h

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00001 // XML_as.h:  ActionScript 3 "XMLDocument" class, for Gnash.
00002 //
00003 //   Copyright (C) 2009, 2010 Free Software Foundation, Inc.
00004 //
00005 // This program is free software; you can redistribute it and/or modify
00006 // it under the terms of the GNU General Public License as published by
00007 // the Free Software Foundation; either version 3 of the License, or
00008 // (at your option) any later version.
00009 //
00010 // This program is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 // GNU General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU General Public License
00016 // along with this program; if not, write to the Free Software
00017 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018 //
00019 
00020 #ifndef GNASH_ASOBJ3_XMLDOCUMENT_H
00021 #define GNASH_ASOBJ3_XMLDOCUMENT_H
00022 
00023 #include "XMLNode_as.h"
00024 #include "dsodefs.h"
00025 #include "StringPredicates.h"
00026 
00027 #include <map>
00028 #include <string>
00029 
00030 
00031 namespace gnash {
00032 
00033 // Forward declarations
00034 class fn_call;
00035 class URL;
00036 
00038 //
00041 //
00044 class XML_as : public XMLNode_as
00045 {
00046 public:
00047 
00048     typedef std::string::const_iterator xml_iterator;
00049 
00050     enum ParseStatus {
00051             XML_OK = 0,
00052             XML_UNTERMINATED_CDATA = -2,
00053             XML_UNTERMINATED_XML_DECL = -3,
00054             XML_UNTERMINATED_DOCTYPE_DECL = -4,
00055             XML_UNTERMINATED_COMMENT = -5,
00056             XML_UNTERMINATED_ELEMENT = -6,
00057             XML_OUT_OF_MEMORY = -7,
00058             XML_UNTERMINATED_ATTRIBUTE = -8,
00059             XML_MISSING_CLOSE_TAG = -9,
00060             XML_MISSING_OPEN_TAG = -10
00061     };
00062 
00063     enum LoadStatus {
00064         XML_LOADED_UNDEFINED = -1,
00065         XML_LOADED_FALSE = false,
00066         XML_LOADED_TRUE = true
00067     };
00068 
00070     //
00073     XML_as(as_object& object);
00074 
00075     XML_as(as_object& object, const std::string& xml);
00076 
00077     ~XML_as() {};
00078     
00080     //
00083     //
00086     void toString(std::ostream& o, bool encode) const;
00087 
00088     const std::string& getXMLDecl() const {
00089         return _xmlDecl;
00090     }
00091 
00092     void setXMLDecl(const std::string& xml) {
00093         _xmlDecl = xml;
00094     }
00095 
00096     const std::string& getDocTypeDecl() const {
00097         return _docTypeDecl;
00098     }
00099 
00100     void setDocTypeDecl(const std::string& docType) {
00101         _docTypeDecl = docType;
00102     }
00103 
00104     // Methods
00105 
00107     //
00113     void parseXML(const std::string& xml);
00114 
00115     XMLNode_as* createElement(const std::string& name);
00116 
00117     XMLNode_as* createTextNode(const std::string& name);
00118 
00119     ParseStatus status() const {
00120         return _status;
00121     }
00122 
00123     void setStatus(ParseStatus st) {
00124         _status = st;
00125     }
00126 
00127     LoadStatus loaded() const {
00128         return _loaded;
00129     }
00130 
00131     void setLoaded(LoadStatus st) {
00132         _loaded = st;
00133     }
00134 
00135 private:
00136 
00137     typedef std::map<std::string, std::string, StringNoCaseLessThan> Attributes;
00138 
00139     void parseTag(XMLNode_as*& node, xml_iterator& it, xml_iterator end);
00140 
00141     void parseAttribute(XMLNode_as* node, xml_iterator& it,
00142             xml_iterator end, Attributes& attributes);
00143 
00144     void parseDocTypeDecl( xml_iterator& it, xml_iterator end);
00145 
00146     void parseText(XMLNode_as* node, xml_iterator& it, xml_iterator end);
00147 
00148     void parseXMLDecl(xml_iterator& it, xml_iterator end);
00149 
00150     void parseComment(XMLNode_as* node, xml_iterator& it, xml_iterator end);
00151 
00152     void parseCData(XMLNode_as* node, xml_iterator& it, xml_iterator end);
00153  
00155     //
00158     void clear();
00159   
00163     bool ignoreWhite();
00164 
00165     // -1 if never asked to load anything
00166     //  0 if asked to load but not yet loaded (or failure)
00167     //  1 if successfully loaded
00168     LoadStatus _loaded;
00169 
00170     ParseStatus _status;        
00171  
00172     std::string _docTypeDecl;
00173 
00174     std::string _xmlDecl;
00175 
00176 };
00177 
00178 
00180 //
00182 void escapeXML(std::string& text);
00183 void unescapeXML(std::string& text);
00184 
00186 void xml_class_init(as_object& where, const ObjectURI& uri);
00187 
00189 void registerXMLNative(as_object& where);
00190 
00191 }       // namespace gnash
00192 #endif
00193 
00194 // local Variables:
00195 // mode: C++
00196 // indent-tabs-mode: t
00197 // End:
00198 

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