Diff: spxmlreader.hpp

Revision:

0:3fa97f2c0505

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spxmlreader.hpp	Wed Nov 24 20:52:14 2010 +0000
@@ -0,0 +1,155 @@
+/*
+ * Copyright 2007 Stephen Liu
+ * LGPL, see http://code.google.com/p/spxml/
+ * For license terms, see the file COPYING along with this library.
+ */
+
+#ifndef __spxmlreader_hpp__
+#define __spxmlreader_hpp__
+
+class SP_XmlPullParser;
+class SP_XmlPullEvent;
+class SP_XmlStringBuffer;
+
+class SP_XmlReader {
+public:
+    enum { MAX_READER = 16 };
+    enum { ePI, eDocType, eSTag, eETag, ePCData,
+        eCDataSection, eComment, eLBracket, eSign };
+
+    /**
+     * @param  parser : act as reader's context
+     * @param  c : a char in xml stream
+     */
+    virtual void read( SP_XmlPullParser * parser, char c ) = 0;
+
+    /**
+     * reset reader state
+     */
+    virtual void reset();
+
+    /**
+     * convert internal xml string to event
+     * @return NULL : this reader don't generate any event or error occured
+     */
+    virtual SP_XmlPullEvent * getEvent( SP_XmlPullParser * parser ) = 0;
+
+protected:
+    SP_XmlStringBuffer * mBuffer;
+
+    friend class SP_XmlReaderPool;
+
+    SP_XmlReader();
+    virtual ~SP_XmlReader();
+
+    /// help to call parser->changeReader
+    void changeReader( SP_XmlPullParser * parser, SP_XmlReader * reader );
+
+    /// help to call parser->getReader
+    SP_XmlReader * getReader( SP_XmlPullParser * parser, int type );
+
+    /// help to call parser->setError
+    static void setError( SP_XmlPullParser * parser, const char * error );
+
+private:
+    SP_XmlReader( SP_XmlReader & );
+    SP_XmlReader & operator=( SP_XmlReader & );
+};
+
+class SP_XmlPIReader : public SP_XmlReader {
+public:
+    SP_XmlPIReader();
+    virtual ~SP_XmlPIReader();
+    virtual void read( SP_XmlPullParser * parser, char c );
+    virtual SP_XmlPullEvent * getEvent( SP_XmlPullParser * parser );
+
+private:
+    static SP_XmlPullEvent * parseDocDeclEvent( SP_XmlPullParser * parser,
+            SP_XmlStringBuffer * buffer );
+};
+
+class SP_XmlStartTagReader : public SP_XmlReader {
+public:
+    SP_XmlStartTagReader();
+    virtual ~SP_XmlStartTagReader();
+    virtual void read( SP_XmlPullParser * parser, char c );
+    virtual SP_XmlPullEvent * getEvent( SP_XmlPullParser * parser );
+    virtual void reset();
+
+private:
+    int mIsQuot;
+};
+
+class SP_XmlEndTagReader : public SP_XmlReader {
+public:
+    SP_XmlEndTagReader();
+    virtual ~SP_XmlEndTagReader();
+    virtual void read( SP_XmlPullParser * parser, char c );
+    virtual SP_XmlPullEvent * getEvent( SP_XmlPullParser * parser );
+};
+
+class SP_XmlPCDataReader : public SP_XmlReader {
+public:
+    SP_XmlPCDataReader();
+    virtual ~SP_XmlPCDataReader();
+    virtual void read( SP_XmlPullParser * parser, char c );
+    virtual SP_XmlPullEvent * getEvent( SP_XmlPullParser * parser );
+};
+
+class SP_XmlCDataSectionReader : public SP_XmlReader {
+public:
+    SP_XmlCDataSectionReader();
+    virtual ~SP_XmlCDataSectionReader();
+    virtual void read( SP_XmlPullParser * parser, char c );
+    virtual SP_XmlPullEvent * getEvent( SP_XmlPullParser * parser );
+};
+
+class SP_XmlCommentReader : public SP_XmlReader {
+public:
+    SP_XmlCommentReader();
+    virtual ~SP_XmlCommentReader();
+    virtual void read( SP_XmlPullParser * parser, char c );
+    virtual SP_XmlPullEvent * getEvent( SP_XmlPullParser * parser );
+};
+
+class SP_XmlDocTypeReader : public SP_XmlReader {
+public:
+    SP_XmlDocTypeReader();
+    virtual ~SP_XmlDocTypeReader();
+    virtual void read( SP_XmlPullParser * parser, char c );
+    virtual SP_XmlPullEvent * getEvent( SP_XmlPullParser * parser );
+};
+
+class SP_XmlLeftBracketReader : public SP_XmlReader {
+public:
+    SP_XmlLeftBracketReader();
+    virtual ~SP_XmlLeftBracketReader();
+    virtual void read( SP_XmlPullParser * parser, char c );
+    virtual SP_XmlPullEvent * getEvent( SP_XmlPullParser * parser );
+    virtual void reset();
+
+private:
+    int mHasReadBracket;
+};
+
+class SP_XmlSignReader : public SP_XmlReader {
+public:
+    SP_XmlSignReader();
+    virtual ~SP_XmlSignReader();
+    virtual void read( SP_XmlPullParser * parser, char c );
+    virtual SP_XmlPullEvent * getEvent( SP_XmlPullParser * parser );
+};
+
+class SP_XmlReaderPool {
+public:
+    SP_XmlReaderPool();
+    ~SP_XmlReaderPool();
+    SP_XmlReader * borrow( int type );
+    void save( SP_XmlReader * reader );
+
+private:
+    SP_XmlReader ** mReaderList;
+};
+
+#endif
+