urlmon: Moved buffer-based MIME finding to a separated function.
This commit is contained in:
Jacek Caban
Alexandre Julliard
parent
9626a976ad
commit
883871174a
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@ -636,6 +636,127 @@ static BOOL application_octet_stream_filter(const BYTE *b, DWORD size)
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return TRUE;
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}
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static HRESULT find_mime_from_buffer(const BYTE *buf, DWORD size, const WCHAR *proposed_mime, WCHAR **ret_mime)
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{
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LPCWSTR ret = NULL;
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DWORD len, i;
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static const WCHAR text_htmlW[] = {'t','e','x','t','/','h','t','m','l',0};
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static const WCHAR text_richtextW[] = {'t','e','x','t','/','r','i','c','h','t','e','x','t',0};
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static const WCHAR audio_basicW[] = {'a','u','d','i','o','/','b','a','s','i','c',0};
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static const WCHAR audio_wavW[] = {'a','u','d','i','o','/','w','a','v',0};
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static const WCHAR image_gifW[] = {'i','m','a','g','e','/','g','i','f',0};
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static const WCHAR image_pjpegW[] = {'i','m','a','g','e','/','p','j','p','e','g',0};
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static const WCHAR image_tiffW[] = {'i','m','a','g','e','/','t','i','f','f',0};
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static const WCHAR image_xpngW[] = {'i','m','a','g','e','/','x','-','p','n','g',0};
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static const WCHAR image_bmpW[] = {'i','m','a','g','e','/','b','m','p',0};
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static const WCHAR video_aviW[] = {'v','i','d','e','o','/','a','v','i',0};
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static const WCHAR video_mpegW[] = {'v','i','d','e','o','/','m','p','e','g',0};
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static const WCHAR app_postscriptW[] =
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{'a','p','p','l','i','c','a','t','i','o','n','/','p','o','s','t','s','c','r','i','p','t',0};
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static const WCHAR app_pdfW[] = {'a','p','p','l','i','c','a','t','i','o','n','/','p','d','f',0};
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static const WCHAR app_xzipW[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
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'x','-','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
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static const WCHAR app_xgzipW[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
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'x','-','g','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
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static const WCHAR app_javaW[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
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'j','a','v','a',0};
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static const WCHAR app_xmsdownloadW[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
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'x','-','m','s','d','o','w','n','l','o','a','d',0};
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static const WCHAR text_plainW[] = {'t','e','x','t','/','p','l','a','i','n','\0'};
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static const WCHAR app_octetstreamW[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
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'o','c','t','e','t','-','s','t','r','e','a','m','\0'};
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static const struct {
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LPCWSTR mime;
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BOOL (*filter)(const BYTE *,DWORD);
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} mime_filters[] = {
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{text_htmlW, text_html_filter},
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{text_richtextW, text_richtext_filter},
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/* {audio_xaiffW, audio_xaiff_filter}, */
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{audio_basicW, audio_basic_filter},
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{audio_wavW, audio_wav_filter},
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{image_gifW, image_gif_filter},
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{image_pjpegW, image_pjpeg_filter},
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{image_tiffW, image_tiff_filter},
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{image_xpngW, image_xpng_filter},
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/* {image_xbitmapW, image_xbitmap_filter}, */
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{image_bmpW, image_bmp_filter},
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/* {image_xjgW, image_xjg_filter}, */
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/* {image_xemfW, image_xemf_filter}, */
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/* {image_xwmfW, image_xwmf_filter}, */
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{video_aviW, video_avi_filter},
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{video_mpegW, video_mpeg_filter},
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{app_postscriptW, application_postscript_filter},
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/* {app_base64W, application_base64_filter}, */
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/* {app_macbinhex40W, application_macbinhex40_filter}, */
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{app_pdfW, application_pdf_filter},
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/* {app_zcompressedW, application_xcompressed_filter}, */
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{app_xzipW, application_xzip_filter},
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{app_xgzipW, application_xgzip_filter},
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{app_javaW, application_java_filter},
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{app_xmsdownloadW, application_xmsdownload},
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{text_plainW, text_plain_filter},
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{app_octetstreamW, application_octet_stream_filter}
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};
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if(!buf || !size) {
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if(!proposed_mime)
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return E_FAIL;
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len = strlenW(proposed_mime)+1;
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*ret_mime = CoTaskMemAlloc(len*sizeof(WCHAR));
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if(!*ret_mime)
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return E_OUTOFMEMORY;
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memcpy(*ret_mime, proposed_mime, len*sizeof(WCHAR));
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return S_OK;
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}
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if(proposed_mime && strcmpW(proposed_mime, app_octetstreamW)) {
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for(i=0; i < sizeof(mime_filters)/sizeof(*mime_filters); i++) {
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if(!strcmpW(proposed_mime, mime_filters[i].mime))
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break;
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}
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if(i == sizeof(mime_filters)/sizeof(*mime_filters) || mime_filters[i].filter(buf, size)) {
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len = strlenW(proposed_mime)+1;
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*ret_mime = CoTaskMemAlloc(len*sizeof(WCHAR));
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if(!*ret_mime)
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return E_OUTOFMEMORY;
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memcpy(*ret_mime, proposed_mime, len*sizeof(WCHAR));
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return S_OK;
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}
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}
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i=0;
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while(!ret) {
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if(mime_filters[i].filter(buf, size))
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ret = mime_filters[i].mime;
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i++;
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}
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TRACE("found %s for %s\n", debugstr_w(ret), debugstr_an((const char*)buf, min(32, size)));
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if(proposed_mime) {
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if(i == sizeof(mime_filters)/sizeof(*mime_filters))
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ret = proposed_mime;
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/* text/html is a special case */
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if(!strcmpW(proposed_mime, text_htmlW) && !strcmpW(ret, text_plainW))
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ret = text_htmlW;
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}
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len = strlenW(ret)+1;
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*ret_mime = CoTaskMemAlloc(len*sizeof(WCHAR));
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if(!*ret_mime)
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return E_OUTOFMEMORY;
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memcpy(*ret_mime, ret, len*sizeof(WCHAR));
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return S_OK;
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}
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/***********************************************************************
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* FindMimeFromData (URLMON.@)
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*
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@ -658,128 +779,8 @@ HRESULT WINAPI FindMimeFromData(LPBC pBC, LPCWSTR pwzUrl, LPVOID pBuffer,
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if(!ppwzMimeOut || (!pwzUrl && !pBuffer))
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return E_INVALIDARG;
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if(pwzMimeProposed && (!pBuffer || (pBuffer && !cbSize))) {
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DWORD len;
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if(!pwzMimeProposed)
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return E_FAIL;
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len = strlenW(pwzMimeProposed)+1;
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*ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
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memcpy(*ppwzMimeOut, pwzMimeProposed, len*sizeof(WCHAR));
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return S_OK;
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}
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if(pBuffer) {
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const BYTE *buf = pBuffer;
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DWORD len;
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LPCWSTR ret = NULL;
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unsigned int i;
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static const WCHAR wszTextHtml[] = {'t','e','x','t','/','h','t','m','l',0};
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static const WCHAR wszTextRichtext[] = {'t','e','x','t','/','r','i','c','h','t','e','x','t',0};
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static const WCHAR wszAudioBasic[] = {'a','u','d','i','o','/','b','a','s','i','c',0};
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static const WCHAR wszAudioWav[] = {'a','u','d','i','o','/','w','a','v',0};
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static const WCHAR wszImageGif[] = {'i','m','a','g','e','/','g','i','f',0};
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static const WCHAR wszImagePjpeg[] = {'i','m','a','g','e','/','p','j','p','e','g',0};
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static const WCHAR wszImageTiff[] = {'i','m','a','g','e','/','t','i','f','f',0};
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static const WCHAR wszImageXPng[] = {'i','m','a','g','e','/','x','-','p','n','g',0};
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static const WCHAR wszImageBmp[] = {'i','m','a','g','e','/','b','m','p',0};
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static const WCHAR wszVideoAvi[] = {'v','i','d','e','o','/','a','v','i',0};
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static const WCHAR wszVideoMpeg[] = {'v','i','d','e','o','/','m','p','e','g',0};
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static const WCHAR wszAppPostscript[] =
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{'a','p','p','l','i','c','a','t','i','o','n','/','p','o','s','t','s','c','r','i','p','t',0};
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static const WCHAR wszAppPdf[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
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'p','d','f',0};
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static const WCHAR wszAppXZip[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
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'x','-','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
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static const WCHAR wszAppXGzip[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
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'x','-','g','z','i','p','-','c','o','m','p','r','e','s','s','e','d',0};
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static const WCHAR wszAppJava[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
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'j','a','v','a',0};
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static const WCHAR wszAppXMSDownload[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
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'x','-','m','s','d','o','w','n','l','o','a','d',0};
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static const WCHAR wszTextPlain[] = {'t','e','x','t','/','p','l','a','i','n','\0'};
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static const WCHAR wszAppOctetStream[] = {'a','p','p','l','i','c','a','t','i','o','n','/',
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'o','c','t','e','t','-','s','t','r','e','a','m','\0'};
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static const struct {
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LPCWSTR mime;
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BOOL (*filter)(const BYTE *,DWORD);
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} mime_filters[] = {
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{wszTextHtml, text_html_filter},
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{wszTextRichtext, text_richtext_filter},
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/* {wszAudioXAiff, audio_xaiff_filter}, */
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{wszAudioBasic, audio_basic_filter},
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{wszAudioWav, audio_wav_filter},
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{wszImageGif, image_gif_filter},
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{wszImagePjpeg, image_pjpeg_filter},
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{wszImageTiff, image_tiff_filter},
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{wszImageXPng, image_xpng_filter},
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/* {wszImageXBitmap, image_xbitmap_filter}, */
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{wszImageBmp, image_bmp_filter},
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/* {wszImageXJg, image_xjg_filter}, */
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/* {wszImageXEmf, image_xemf_filter}, */
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/* {wszImageXWmf, image_xwmf_filter}, */
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{wszVideoAvi, video_avi_filter},
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{wszVideoMpeg, video_mpeg_filter},
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{wszAppPostscript, application_postscript_filter},
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/* {wszAppBase64, application_base64_filter}, */
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/* {wszAppMacbinhex40, application_macbinhex40_filter}, */
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{wszAppPdf, application_pdf_filter},
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/* {wszAppXCompressed, application_xcompressed_filter}, */
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{wszAppXZip, application_xzip_filter},
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{wszAppXGzip, application_xgzip_filter},
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{wszAppJava, application_java_filter},
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{wszAppXMSDownload, application_xmsdownload},
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{wszTextPlain, text_plain_filter},
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{wszAppOctetStream, application_octet_stream_filter}
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};
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if(!cbSize)
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return E_FAIL;
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if(pwzMimeProposed && strcmpW(pwzMimeProposed, wszAppOctetStream)) {
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for(i=0; i < sizeof(mime_filters)/sizeof(*mime_filters); i++) {
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if(!strcmpW(pwzMimeProposed, mime_filters[i].mime))
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break;
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}
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if(i == sizeof(mime_filters)/sizeof(*mime_filters)
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|| mime_filters[i].filter(buf, cbSize)) {
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len = strlenW(pwzMimeProposed)+1;
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*ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
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memcpy(*ppwzMimeOut, pwzMimeProposed, len*sizeof(WCHAR));
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return S_OK;
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}
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}
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i=0;
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while(!ret) {
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if(mime_filters[i].filter(buf, cbSize))
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ret = mime_filters[i].mime;
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i++;
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}
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TRACE("found %s for data\n"
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"%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
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debugstr_w(ret), buf[0],buf[1],buf[2],buf[3], buf[4],buf[5],buf[6],buf[7],
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buf[8],buf[9],buf[10],buf[11], buf[12],buf[13],buf[14],buf[15]);
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if(pwzMimeProposed) {
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if(i == sizeof(mime_filters)/sizeof(*mime_filters))
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ret = pwzMimeProposed;
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/* text/html is a special case */
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if(!strcmpW(pwzMimeProposed, wszTextHtml) && !strcmpW(ret, wszTextPlain))
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ret = wszTextHtml;
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}
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len = strlenW(ret)+1;
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*ppwzMimeOut = CoTaskMemAlloc(len*sizeof(WCHAR));
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memcpy(*ppwzMimeOut, ret, len*sizeof(WCHAR));
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return S_OK;
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}
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if(pwzMimeProposed || pBuffer)
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return find_mime_from_buffer(pBuffer, cbSize, pwzMimeProposed, ppwzMimeOut);
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if(pwzUrl) {
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HKEY hkey;
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