316 lines
10 KiB
C++
316 lines
10 KiB
C++
// --------------------------------------------------------------------------------
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// Enriched.cpp
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// Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved
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// --------------------------------------------------------------------------------
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#include "pch.hxx"
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#include "bookbody.h"
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#include "internat.h"
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#include "mimeapi.h"
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#include "demand.h"
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// --------------------------------------------------------------------------------
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// Charcter Strings used in this code
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// --------------------------------------------------------------------------------
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static const CHAR c_szAmpersandLT[] = "<";
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static const CHAR c_szAmpersandGT[] = ">";
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static const CHAR c_szGreaterThan[] = ">";
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static const CHAR c_szLessThan[] = "<";
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// --------------------------------------------------------------------------------
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// Number of characters in a globally defined string
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// --------------------------------------------------------------------------------
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#define CCHGLOBAL(_szGlobal) (sizeof(_szGlobal) - 1)
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// --------------------------------------------------------------------------------
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// FReadChar
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// --------------------------------------------------------------------------------
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inline BOOL FReadChar(IStream *pIn, HRESULT *phr, CHAR *pch)
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{
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ULONG cb;
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*phr = pIn->Read(pch, sizeof(CHAR), &cb);
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if (FAILED(*phr) || 0 == cb)
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return FALSE;
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return TRUE;
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}
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// --------------------------------------------------------------------------------
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// MimeOleConvertEnrichedToHTMLEx
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// --------------------------------------------------------------------------------
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HRESULT MimeOleConvertEnrichedToHTMLEx(IMimeBody *pBody, ENCODINGTYPE ietEncoding,
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IStream **ppStream)
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{
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// Locals
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HRESULT hr=S_OK;
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HCHARSET hCharset;
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LPSTREAM pStmEnriched=NULL;
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LPSTREAM pStmHtml=NULL;
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LPMESSAGEBODY pEnriched=NULL;
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// Invalid Args
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Assert(pBody && ppStream);
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// Get Data
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CHECKHR(hr = pBody->GetData(IET_DECODED, &pStmEnriched));
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// Get the Charset
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if (FAILED(pBody->GetCharset(&hCharset)))
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hCharset = CIntlGlobals::GetDefBodyCset() ? CIntlGlobals::GetDefBodyCset()->hCharset : NULL;
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// Create new virtual stream
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CHECKHR(hr = MimeOleCreateVirtualStream(&pStmHtml));
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// Make sure rewound
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CHECKHR(hr = HrRewindStream(pStmEnriched));
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// Convert
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CHECKHR(hr = MimeOleConvertEnrichedToHTML(MimeOleGetWindowsCP(hCharset), pStmEnriched, pStmHtml));
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// Make sure rewound
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CHECKHR(hr = HrRewindStream(pStmHtml));
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// Allocate pEnriched
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CHECKALLOC(pEnriched = new CMessageBody(NULL, NULL));
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// Init
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CHECKHR(hr = pEnriched->InitNew());
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// Put pstmHtml into pEnriched
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CHECKHR(hr = pEnriched->SetData(IET_DECODED, STR_CNT_TEXT, STR_SUB_HTML, IID_IStream, (LPVOID)pStmHtml));
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// Get and set the charset
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if (hCharset)
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pEnriched->SetCharset(hCharset, CSET_APPLY_ALL);
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// Get Data
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CHECKHR(hr = pEnriched->GetData(ietEncoding, ppStream));
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exit:
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// Cleanup
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SafeRelease(pStmHtml);
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SafeRelease(pStmEnriched);
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SafeRelease(pEnriched);
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// Done
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return hr;
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}
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// --------------------------------------------------------------------------------
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// MimeOleConvertEnrichedToHTML
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// --------------------------------------------------------------------------------
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MIMEOLEAPI MimeOleConvertEnrichedToHTML(CODEPAGEID codepage, IStream *pIn, IStream *pOut)
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{
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// Locals
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HRESULT hr=S_OK;
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CHAR ch;
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INT i;
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INT paramct=0;
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INT nofill=0;
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CHAR token[62];
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LPSTR p;
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BOOL fDone;
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CHAR szTemp[2];
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// Main loop
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while(FReadChar(pIn, &hr, &ch))
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{
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// LeadByte
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if (IsDBCSLeadByteEx(codepage, ch))
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{
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// Write This Character
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CHECKHR(hr = pOut->Write(&ch, 1, NULL));
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// Read Next
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if (!FReadChar(pIn, &hr, &ch))
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break;
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// Write This Character
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CHECKHR(hr = pOut->Write(&ch, 1, NULL));
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}
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// Token Start
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else if (ch == '<')
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{
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// Read Next
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if (!FReadChar(pIn, &hr, &ch))
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break;
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// Escaped
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if (ch == '<')
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{
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// Write
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CHECKHR(hr = pOut->Write(c_szAmpersandLT, CCHGLOBAL(c_szAmpersandLT), NULL));
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}
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else
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{
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// Backup One Character
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CHECKHR(hr = HrStreamSeekCur(pIn, -1));
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// Setup szTemp
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szTemp[1] = '\0';
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// Token Scanner
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for (fDone=FALSE, i=0, p=token;;i++)
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{
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// Read Next Char
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if (!FReadChar(pIn, &hr, &ch))
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{
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fDone = TRUE;
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break;
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}
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// Finished with bracketed toeksn
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if (ch == '>')
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break;
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// Fill up the token buffer with lowercase chars
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if (i < sizeof(token) - 1)
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{
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szTemp[0] = ch;
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*p++ = IsUpper(szTemp) ? TOLOWERA(ch) : ch;
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}
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}
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// Nul-term
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*p = '\0';
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// End of file
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if (fDone)
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break;
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// /param
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if (lstrcmpi(token, "/param") == 0)
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{
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paramct--;
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CHECKHR(hr = pOut->Write(c_szGreaterThan, CCHGLOBAL(c_szGreaterThan), NULL));
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}
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else if (paramct > 0)
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{
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CHECKHR(hr = pOut->Write(c_szAmpersandLT, CCHGLOBAL(c_szAmpersandLT), NULL));
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CHECKHR(hr = pOut->Write(token, lstrlen(token), NULL));
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CHECKHR(hr = pOut->Write(c_szAmpersandGT, CCHGLOBAL(c_szAmpersandGT), NULL));
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}
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else
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{
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CHECKHR(hr = pOut->Write(c_szLessThan, CCHGLOBAL(c_szLessThan), NULL));
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if (lstrcmpi(token, "nofill") == 0)
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{
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nofill++;
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CHECKHR(hr = pOut->Write("pre", 3, NULL));
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}
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else if (lstrcmpi(token, "/nofill") == 0)
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{
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nofill--;
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CHECKHR(hr = pOut->Write("/pre", 4, NULL));
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}
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else if (lstrcmpi(token, "bold") == 0)
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{
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CHECKHR(hr = pOut->Write("b", 1, NULL));
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}
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else if (lstrcmpi(token, "/bold") == 0)
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{
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CHECKHR(hr = pOut->Write("/b", 2, NULL));
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}
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else if (lstrcmpi(token, "underline") == 0)
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{
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CHECKHR(hr = pOut->Write("u", 1, NULL));
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}
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else if (lstrcmpi(token, "/underline") == 0)
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{
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CHECKHR(hr = pOut->Write("/u", 2, NULL));
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}
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else if (lstrcmpi(token, "italic") == 0)
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{
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CHECKHR(hr = pOut->Write("i", 1, NULL));
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}
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else if (lstrcmpi(token, "/italic") == 0)
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{
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CHECKHR(hr = pOut->Write("/i", 2, NULL));
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}
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else if (lstrcmpi(token, "fixed") == 0)
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{
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CHECKHR(hr = pOut->Write("tt", 2, NULL));
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}
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else if (lstrcmpi(token, "/fixed") == 0)
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{
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CHECKHR(hr = pOut->Write("/tt", 3, NULL));
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}
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else if (lstrcmpi(token, "excerpt") == 0)
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{
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CHECKHR(hr = pOut->Write("blockquote", 10, NULL));
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}
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else if (lstrcmpi(token, "/excerpt") == 0)
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{
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CHECKHR(hr = pOut->Write("/blockquote", 11, NULL));
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}
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else
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{
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CHECKHR(hr = pOut->Write("?", 1, NULL));
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CHECKHR(hr = pOut->Write(token, lstrlen(token), NULL));
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if (lstrcmpi(token, "param") == 0)
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{
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paramct++;
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CHECKHR(hr = pOut->Write(" ", 1, NULL));
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continue;
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}
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}
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CHECKHR(hr = pOut->Write(c_szGreaterThan, CCHGLOBAL(c_szGreaterThan), NULL));
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}
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}
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}
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else if (ch == '>')
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{
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CHECKHR(hr = pOut->Write(c_szAmpersandGT, CCHGLOBAL(c_szAmpersandGT), NULL));
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}
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else if (ch == '&')
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{
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CHECKHR(hr = pOut->Write("&", 5, NULL));
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}
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else
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{
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if ((chCR == ch || ch == chLF) && nofill <= 0 && paramct <= 0)
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{
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ULONG cCRLF=0;
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CHAR chTemp;
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while(1)
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{
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if (!FReadChar(pIn, &hr, &chTemp))
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break;
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if (chCR == chTemp)
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continue;
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if (chLF != chTemp)
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{
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CHECKHR(hr = HrStreamSeekCur(pIn, -1));
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break;
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}
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if (cCRLF > 0)
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{
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CHECKHR(hr = pOut->Write("<br>", 4, NULL));
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}
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cCRLF++;
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}
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if (1 == cCRLF)
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{
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CHECKHR(hr = pOut->Write(" ", 1, NULL));
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}
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}
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// Write the Character
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else
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{
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CHECKHR(hr = pOut->Write(&ch, 1, NULL));
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}
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}
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}
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exit:
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// Done
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return hr;
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}
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