spdomparser.hpp

00001 /*
00002  * Copyright 2007 Stephen Liu
00003  * LGPL, see http://code.google.com/p/spxml/
00004  * For license terms, see the file COPYING along with this library.
00005  */
00006 
00007 #ifndef __spdomparser_hpp__
00008 #define __spdomparser_hpp__
00009 
00010 class SP_XmlNode;
00011 class SP_XmlDocument;
00012 class SP_XmlElementNode;
00013 class SP_XmlDocDeclNode;
00014 class SP_XmlDocTypeNode;
00015 class SP_XmlPullParser;
00016 class SP_XmlStringBuffer;
00017 
00018 /// parse string to xml node tree
00019 class SP_XmlDomParser {
00020 public:
00021     SP_XmlDomParser();
00022     ~SP_XmlDomParser();
00023 
00024     /// append more input xml source
00025     /// @return how much byte has been consumed
00026     int append( const char * source, int len );
00027 
00028     /// @return NOT NULL : the detail error message
00029     /// @return NULL : no error
00030     const char * getError ();
00031     
00032     /// get the parse result
00033     const SP_XmlDocument * getDocument() const;
00034 
00035     void setIgnoreWhitespace( int ignoreWhitespace );
00036 
00037     int getIgnoreWhitespace();
00038 
00039     const char * getEncoding();
00040 
00041 private:
00042     void buildTree();
00043 
00044     SP_XmlDomParser( SP_XmlDomParser & );
00045     SP_XmlDomParser & operator=( SP_XmlDomParser & );
00046 
00047     SP_XmlPullParser * mParser;
00048     SP_XmlDocument * mDocument;
00049     SP_XmlElementNode * mCurrent;
00050 };
00051 
00052 /// serialize xml node tree to string
00053 class SP_XmlDomBuffer {
00054 public:
00055     SP_XmlDomBuffer( const SP_XmlNode * node, int indent = 1 );
00056     SP_XmlDomBuffer( const char * encoding, const SP_XmlNode * node, int indent = 1 );
00057     ~SP_XmlDomBuffer();
00058 
00059     const char * getBuffer() const;
00060     int getSize() const;
00061 
00062 private:
00063     SP_XmlDomBuffer( SP_XmlDomBuffer & );
00064     SP_XmlDomBuffer & operator=( SP_XmlDomBuffer & );
00065 
00066     static void dumpDocDecl( const char * encoding,
00067             const SP_XmlDocDeclNode * docDecl,
00068             SP_XmlStringBuffer * buffer, int level );
00069     static void dumpDocType( const char * encoding,
00070             const SP_XmlDocTypeNode * docType,
00071             SP_XmlStringBuffer * buffer, int level );
00072     static void dump( const char * encoding,
00073             const SP_XmlNode * node,
00074             SP_XmlStringBuffer * buffer, int level );
00075     static void dumpElement( const char * encoding,
00076             const SP_XmlNode * node,
00077             SP_XmlStringBuffer * buffer, int level );
00078 
00079     SP_XmlStringBuffer * mBuffer;
00080 };
00081 
00082 #endif
00083