📄 page.cpp
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// Insert code in end of <HEAD> and <BODY> blocks for support popup menus if ( m_UsePopupMenus ) { // a "do ... while (false)" lets us avoid a goto do { // Search </HEAD> tag SIZE_TYPE pos = NStr::FindNoCase(str, "/head"); if ( pos == NPOS) { break; } pos = str.rfind("<", pos); if ( pos == NPOS) { break; } // Insert code for load popup menu library for (int t = CHTMLPopupMenu::ePMFirst; t <= CHTMLPopupMenu::ePMLast; t++ ) { CHTMLPopupMenu::EType type = (CHTMLPopupMenu::EType)t; TPopupMenus::const_iterator info = m_PopupMenus.find(type); if ( info != m_PopupMenus.end() ) { string script = CHTMLPopupMenu::GetCodeHead(type,info->second.m_Url); str.insert(pos, script); pos += script.length(); } } // Search </BODY> tag pos = NStr::FindNoCase(str, "/body", 0, NPOS, NStr::eLast); if ( pos == NPOS) { break; } pos = str.rfind("<", pos); if ( pos == NPOS) { break; } // Insert code for init popup menus for (int t = CHTMLPopupMenu::ePMFirst; t <= CHTMLPopupMenu::ePMLast; t++ ) { CHTMLPopupMenu::EType type = (CHTMLPopupMenu::EType)t; TPopupMenus::const_iterator info = m_PopupMenus.find(type); if ( info != m_PopupMenus.end() ) { string script = CHTMLPopupMenu::GetCodeBody(type, info->second.m_UseDynamicMenu); str.insert(pos, script); } } } while (false); } {{ auto_ptr<CHTMLText> node(new CHTMLText(str)); if (out) { node->Print(*out, mode); } return node.release(); }}}void CHTMLPage::SetTemplateFile(const string& template_file){ m_TemplateFile = template_file; m_TemplateStream = 0; m_TemplateBuffer = 0; GeneratePageInternalName(template_file); {{ Int8 size = CFile(template_file).GetLength(); if (size <= 0) { m_TemplateSize = 0; } else if (size >= numeric_limits<size_t>::max()) { NCBI_THROW(CHTMLException, eTemplateTooBig, "CHTMLPage: input template " + template_file + " too big to handle"); } else { m_TemplateSize = (SIZE_TYPE)size; } }}}void CHTMLPage::LoadTemplateLibFile(const string& template_file){ Int8 size = CFile(template_file).GetLength(); if (size <= 0) { return; } else if (size >= numeric_limits<size_t>::max()) { NCBI_THROW(CHTMLException, eTemplateTooBig, "CHTMLPage: input template " + template_file + " too big to handle"); } CNcbiIfstream is(template_file.c_str()); x_LoadTemplateLib(is, (SIZE_TYPE)size);}static SIZE_TYPE s_Find(const string& s, const char* target, SIZE_TYPE start = 0){ // Return s.find(target); // Some implementations of string::find call memcmp at every // possible position, which is way too slow. if ( start >= s.size() ) { return NPOS; } const char* cstr = s.c_str(); const char* p = strstr(cstr + start, target); return p ? p - cstr : NPOS;}void CHTMLPage::x_LoadTemplateLib(CNcbiIstream& is, SIZE_TYPE size){ string str("\n"); char buf[kBufferSize]; // Load template in memory all-in-all if ( size ) { str.reserve(size); } while (is) { is.read(buf, sizeof(buf)); if (size == 0 && is.gcount() > 0 && str.size() == str.capacity()) { // We don't know how big str will need to be, so we grow it // exponentially. str.reserve(str.size() + max((SIZE_TYPE)is.gcount(), str.size() / 2)); } str.append(buf, is.gcount()); } if ( !is.eof() ) { NCBI_THROW(CHTMLException, eTemplateAccess, "CHTMLPage::x_LoadTemplate(): error reading template"); } // Parse template const string kTagStartBOL(string("\n") + kTagStart); SIZE_TYPE ts_size = kTagStartBOL.length(); SIZE_TYPE te_size = strlen(kTagEnd); SIZE_TYPE tse_size = strlen(kTagStartEnd); SIZE_TYPE tag_start = s_Find(str, kTagStartBOL.c_str()); while ( tag_start != NPOS ) { // Get name string name; SIZE_TYPE name_start = tag_start + ts_size; SIZE_TYPE name_end = s_Find(str, kTagEnd, name_start); if ( name_end == NPOS ) { // Tag not closed NCBI_THROW(CHTMLException, eTextUnclosedTag, "opening tag \"" + name + "\" not closed, " \ "stream pos = " + NStr::IntToString(tag_start)); } if (name_end != name_start) { // Tag found name = str.substr(name_start, name_end - name_start); } SIZE_TYPE tag_end = name_end + te_size; // Find close tags for "name" string close_str = kTagStartEnd; if ( !name.empty() ) { close_str += name + kTagEnd; } SIZE_TYPE last = s_Find(str, close_str.c_str(), tag_end); if ( last == NPOS ) { // Tag not closed NCBI_THROW(CHTMLException, eTextUnclosedTag, "closing tag \"" + name + "\" not closed, " \ "stream pos = " + NStr::IntToString(tag_end)); } if ( name.empty() ) { tag_start = s_Find(str, kTagStartBOL.c_str(), last + tse_size); continue; } // Is it a multi-line template? Remove redundand line breaks. SIZE_TYPE pos = str.find_first_not_of(" ", tag_end); if (pos != NPOS && str[pos] == '\n') { tag_end = pos + 1; } pos = str.find_first_not_of(" ", last - 1); if (pos != NPOS && str[pos] == '\n') { last = pos; } // Get sub-template string subtemplate = str.substr(tag_end, last - tag_end); // Add sub-template resolver AddTagMap(name, CreateTagMapper(new CHTMLText(subtemplate))); // Find next tag_start = s_Find(str, kTagStartBOL.c_str(), last + te_size + name_end - name_start + tse_size); }} END_NCBI_SCOPE/* * =========================================================================== * $Log: page.cpp,v $ * Revision 1000.4 2004/06/01 19:15:52 gouriano * PRODUCTION: UPGRADED [GCC34_MSVC7] Dev-tree R1.44 * * Revision 1.44 2004/05/17 20:59:50 gorelenk * Added include of PCH ncbi_pch.hpp * * Revision 1.43 2004/02/04 17:15:22 ivanov * Added debug function GeneratePageInternalName() * * Revision 1.42 2004/02/03 19:45:14 ivanov * Binded dummy names for the unnamed nodes * * Revision 1.41 2004/02/02 14:27:49 ivanov * Added HTML template support * * Revision 1.40 2003/12/02 14:26:35 ivanov * Removed obsolete functions GetCodeBodyTag[Handler|Action](). * * Revision 1.39 2003/11/03 17:03:08 ivanov * Some formal code rearrangement. Move log to end. * * Revision 1.38 2003/07/08 17:13:53 gouriano * changed thrown exceptions to CException-derived ones * * Revision 1.37 2003/05/15 13:07:32 ucko * Fix a more serious (and correctly diagnosed ;-)) logic error: include * the last line of streamed templates that don't end in newlines. * * Revision 1.36 2003/05/15 13:00:24 ucko * When breaking large templates into chunks, be sure to include the * relevant newline in each chunk to avoid accidentally repeating it if a * really long line follows. * * Revision 1.35 2003/05/15 00:07:05 ucko * x_CreateTemplate: don't assume out implies !m_UsePopupMenus * * Revision 1.34 2003/05/14 21:54:27 ucko * Adjust interface to allow automatic streaming of large templates when * not using JavaScript menus. * Other performance improvements -- in particular, use NStr::FindNoCase * instead of making a lowercase copy of the template. * * Revision 1.33 2003/05/13 15:44:41 ucko * Make reading large templates more efficient. * * Revision 1.32 2003/03/11 15:28:57 kuznets * iterate -> ITERATE * * Revision 1.31 2002/12/09 22:11:59 ivanov * Added support for Sergey Kurdin's popup menu * * Revision 1.30 2002/09/16 22:24:52 vakatov * Formal fix to get rid of an "unused func arg" warning * * Revision 1.29 2002/09/11 16:09:27 dicuccio * fixed memory leak in CreateTemplate(): added x_CreateTemplate() to get * around heap allocation of stream. * moved cvs log to the bottom of the page. * * Revision 1.28 2002/08/09 21:12:02 ivanov * Added stuff to read template from a stream and string * * Revision 1.27 2002/02/23 04:08:25 vakatov * Commented out "// template struct TagMapper<CHTMLPage>;" to see if it's * still needed for any compiler * * Revision 1.26 2002/02/13 20:16:45 ivanov * Added support of dynamic popup menus. Changed EnablePopupMenu(). * * Revision 1.25 2001/08/14 16:56:42 ivanov * Added support for work HTML templates with JavaScript popup menu. * Renamed type Flags -> ETypes. Moved all code from "page.inl" to header file. * * Revision 1.24 2000/03/31 17:08:43 kans * cast ifstr.rdstate() to int * * Revision 1.23 1999/10/28 13:40:36 vasilche * Added reference counters to CNCBINode. * * Revision 1.22 1999/09/27 16:17:18 vasilche * Fixed several incompatibilities with Windows * * Revision 1.21 1999/09/23 15:51:42 vakatov * Added <unistd.h> for the getcwd() proto * * Revision 1.20 1999/09/17 14:16:09 sandomir * tmp diagnostics to find error * * Revision 1.19 1999/09/15 15:04:47 sandomir * minor memory leak in tag mapping * * Revision 1.18 1999/07/19 21:05:02 pubmed * minor change in CHTMLPage::CreateTemplate() - show file name * * Revision 1.17 1999/05/28 20:43:10 vakatov * ::~CHTMLBasicPage(): MSVC++ 6.0 SP3 cant compile: DeleteElements(m_TagMap); * * Revision 1.16 1999/05/28 16:32:16 vasilche * Fixed memory leak in page tag mappers. * * Revision 1.15 1999/05/27 21:46:25 vakatov * CHTMLPage::CreateTemplate(): throw exception if cannot open or read * the page template file specified by user * * Revision 1.14 1999/04/28 16:52:45 vasilche * Restored optimized code for reading from file. * * Revision 1.13 1999/04/27 16:48:44 vakatov * Rollback of the buggy "optimization" in CHTMLPage::CreateTemplate() * * Revision 1.12 1999/04/26 21:59:31 vakatov * Cleaned and ported to build with MSVC++ 6.0 compiler * * Revision 1.11 1999/04/19 16:51:36 vasilche * Fixed error with member pointers detected by GCC. * * Revision 1.10 1999/04/15 22:10:43 vakatov * Fixed "class TagMapper<>" to "struct ..." * * Revision 1.9 1998/12/28 23:29:10 vakatov * New CVS and development tree structure for the NCBI C++ projects * * Revision 1.8 1998/12/28 21:48:17 vasilche * Made Lewis's 'tool' compilable * * Revision 1.7 1998/12/28 16:48:09 vasilche * Removed creation of QueryBox in CHTMLPage::CreateView() * CQueryBox extends from CHTML_form * CButtonList, CPageList, CPagerBox, CSmallPagerBox extend from CNCBINode. * * Revision 1.6 1998/12/22 16:39:15 vasilche * Added ReadyTagMapper to map tags to precreated nodes. * * Revision 1.3 1998/12/01 19:10:39 lewisg * uses CCgiApplication and new page factory * * =========================================================================== */⌨️ 快捷键说明
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