108 lines
3.4 KiB
C++
108 lines
3.4 KiB
C++
//
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// MODULE: TEMPLATEREAD.H
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//
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// PURPOSE: template file reading classes
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//
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// COMPANY: Saltmine Creative, Inc. (206)-284-7511 support@saltmine.com
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//
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// AUTHOR: Oleg Kalosha
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//
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// ORIGINAL DATE: 8-12-98
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//
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// NOTES:
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// 1. CTemplateReader has no public methods to apply the template. These must be supplied
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// by classes which inherit from CTemplateReader, and these must be supplied in a
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// suitably "stateless" manner.
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//
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// Version Date By Comments
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//--------------------------------------------------------------------
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// V3.0 08-04-98 OK
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//
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#ifndef __TEMPLATEREAD_H_
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#define __TEMPLATEREAD_H_
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#include "fileread.h"
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#include <map>
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using namespace std;
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////////////////////////////////////////////////////////////////////////////////////
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// CTemplateInfo
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////////////////////////////////////////////////////////////////////////////////////
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class CTemplateInfo
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{
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CString m_KeyStr; // key text which we will replace with m_SubstitutionStr
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CString m_SubstitutionStr; // text we will use to replace m_KeyStr
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public:
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CTemplateInfo();
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CTemplateInfo(const CString& key, const CString& substitution);
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virtual ~CTemplateInfo();
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CString& GetKeyStr() {return m_KeyStr;}
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virtual bool Apply(CString& target) const;
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// comparison methods are mainly to keep STL happy. Note that they only look at
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// m_KeyStr, not m_SubstitutionStr.
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inline BOOL operator == (const CTemplateInfo& two) const
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{
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return m_KeyStr == two.m_KeyStr;
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}
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inline BOOL operator < (const CTemplateInfo& two) const
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{
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return m_KeyStr < two.m_KeyStr;
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}
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};
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////////////////////////////////////////////////////////////////////////////////////
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// CTemplateReader
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// This class reads template file and provides functionality to substitute key
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// sentences with text - do it all at once, or one-by-one.
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// The object of this class can be renewed with another template - in this case
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// all substitution actions will be performed on new template.
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// It can roll back "n" last substitutions
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////////////////////////////////////////////////////////////////////////////////////
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class CTemplateReader : public CTextFileReader
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{
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protected:
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tstringstream m_StreamOutput; // streamed output, fully or partly substituted template
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// (which resides in CFileReader::m_StreamData)
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vector<CTemplateInfo> m_arrTemplateInfo; // contains key string - template info
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// pairs
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public:
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CTemplateReader(CPhysicalFileReader * pPhysicalFileReader, LPCTSTR szDefaultContents = NULL);
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~CTemplateReader();
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protected:
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void SetOutputToTemplate();
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CTemplateReader& operator << (CTemplateInfo&); // apply
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CTemplateReader& operator >> (CTemplateInfo&); // roll back application for this CTemplateInfo
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void GetOutput(CString&);
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protected:
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// overrrides of inherited functions
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virtual void Parse(); // parse here is applying ALL elements of m_arrTemplateInfo
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// to a virgin template
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};
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////////////////////////////////////////////////////////////////////////////////////
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// a concrete class that just provides simple string substitution
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////////////////////////////////////////////////////////////////////////////////////
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class CSimpleTemplate : public CTemplateReader
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{
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public:
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CSimpleTemplate(CPhysicalFileReader * pPhysicalFileReader, LPCTSTR szDefaultContents = NULL);
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~CSimpleTemplate();
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void CreatePage( const vector<CTemplateInfo> & arrTemplateInfo,
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CString& out );
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};
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#endif
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