146 lines
3.3 KiB
C++
146 lines
3.3 KiB
C++
#if !defined(__xiofile_h)
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#define __xiofile_h
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#include "xfile.h"
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#if !defined(_WIN32) && !defined (_WIN64)
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//#include "../../../Common/DocxFormat/Source/Base/ASCString.h"
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#endif
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//#include <TCHAR.h>
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/*
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#ifndef WIN32
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#ifdef _UNICODE
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typedef wchar_t TCHAR;
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#else
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typedef char TCHAR;
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#endif
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#endif
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*/
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class DLL_EXP CxIOFile : public CxFile
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{
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public:
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CxIOFile(FILE* fp = NULL)
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{
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m_fp = fp;
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m_bCloseFile = (bool)(fp==0);
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}
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~CxIOFile()
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{
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Close();
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}
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//////////////////////////////////////////////////////////
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bool Open(const TCHAR * filename, const TCHAR * mode)
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{
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#ifdef CXIMAGE_DONT_USE_LOAD_SAVE
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return false;
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#else
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#if defined(_WIN32) || defined (_WIN64)
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if (m_fp) return false; // Can't re-open without closing first
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m_fp = _tfopen(filename, mode);
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if (!m_fp) return false;
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m_bCloseFile = true;
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#endif
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return true;
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#endif // #ifdef CXIMAGE_DONT_USE_LOAD_SAVE
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}
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//////////////////////////////////////////////////////////
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virtual bool Close()
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{
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int32_t iErr = 0;
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if ( (m_fp) && (m_bCloseFile) ){
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iErr = fclose(m_fp);
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m_fp = NULL;
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}
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return (bool)(iErr==0);
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}
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//////////////////////////////////////////////////////////
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virtual size_t Read(void *buffer, size_t size, size_t count, void* limit_start = NULL, void* limit_end = NULL)
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{
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if (!m_fp) return 0;
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clamp_buffer(buffer, size, limit_start, limit_end);
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return fread(buffer, size, count, m_fp);
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}
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//////////////////////////////////////////////////////////
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virtual size_t Write(const void *buffer, size_t size, size_t count)
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{
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if (!m_fp) return 0;
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return fwrite(buffer, size, count, m_fp);
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}
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//////////////////////////////////////////////////////////
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virtual bool Seek(int32_t offset, int32_t origin)
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{
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if (!m_fp) return false;
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return (bool)(fseek(m_fp, offset, origin) == 0);
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}
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//////////////////////////////////////////////////////////
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virtual int32_t Tell()
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{
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if (!m_fp) return 0;
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return ftell(m_fp);
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}
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//////////////////////////////////////////////////////////
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virtual int32_t Size()
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{
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if (!m_fp) return -1;
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int32_t pos,size;
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pos = ftell(m_fp);
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fseek(m_fp, 0, SEEK_END);
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size = ftell(m_fp);
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fseek(m_fp, pos,SEEK_SET);
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return size;
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}
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//////////////////////////////////////////////////////////
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virtual bool Flush()
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{
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if (!m_fp) return false;
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return (bool)(fflush(m_fp) == 0);
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}
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//////////////////////////////////////////////////////////
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virtual bool Eof()
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{
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if (!m_fp) return true;
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return (bool)(feof(m_fp) != 0);
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}
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//////////////////////////////////////////////////////////
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virtual int32_t Error()
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{
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if (!m_fp) return -1;
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return ferror(m_fp);
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}
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//////////////////////////////////////////////////////////
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virtual bool PutC(uint8_t c)
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{
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if (!m_fp) return false;
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return (bool)(fputc(c, m_fp) == c);
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}
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//////////////////////////////////////////////////////////
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virtual int32_t GetC()
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{
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if (!m_fp) return EOF;
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return getc(m_fp);
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}
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//////////////////////////////////////////////////////////
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virtual char * GetS(char *string, int32_t n)
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{
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if (!m_fp) return NULL;
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return fgets(string,n,m_fp);
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}
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//////////////////////////////////////////////////////////
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virtual int32_t Scanf(const char *format, void* output)
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{
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if (!m_fp) return EOF;
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return fscanf(m_fp, format, output);
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}
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//////////////////////////////////////////////////////////
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protected:
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FILE *m_fp;
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bool m_bCloseFile;
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};
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#endif
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