mirror of
https://github.com/stefanocasazza/ULib.git
synced 2025-09-28 19:05:55 +08:00
223 lines
10 KiB
C++
223 lines
10 KiB
C++
// ir_web.cpp - dynamic page translation (ir_web.usp => ir_web.cpp)
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#include <ulib/net/server/usp_macro.h>
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#include "ir_session.h"
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#include <ulib/debug/crono.h>
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#define IR_SESSION (*(IRDataSession*)UHTTP::data_session)
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static IR* ir;
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static Query* query;
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static UCrono* crono;
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static UString* footer;
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static void usp_init_ir_web()
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{
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U_TRACE(5, "::usp_init_ir_web()")
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U_INTERNAL_ASSERT_EQUALS(ir, U_NULLPTR)
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U_INTERNAL_ASSERT_EQUALS(query, U_NULLPTR)
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U_INTERNAL_ASSERT_EQUALS(crono, U_NULLPTR)
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U_INTERNAL_ASSERT_EQUALS(footer, U_NULLPTR)
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U_NEW(IR, ir, IR);
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U_NEW(Query, query, Query);
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U_NEW(UCrono, crono, UCrono);
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U_NEW(UString, footer, UString(200U));
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ir->loadFileConfig();
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if (ir->openCDB(false) == false)
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{
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U_ERROR("usp_init() of servlet ir_web failed");
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}
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footer->snprintf(U_CONSTANT_TO_PARAM("ver. %.*s, with %u documents and %u words."), U_CONSTANT_TO_TRACE(ULIB_VERSION), cdb_names->size(), cdb_words->size());
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U_NEW(IRDataSession, UHTTP::data_session, IRDataSession);
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UHTTP::initSession();
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}
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static void usp_end_ir_web()
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{
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U_TRACE(5, "::usp_end_ir_web()")
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U_INTERNAL_ASSERT_POINTER(ir)
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U_INTERNAL_ASSERT_POINTER(query)
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U_INTERNAL_ASSERT_POINTER(crono)
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U_INTERNAL_ASSERT_POINTER(footer)
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delete ir;
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delete query;
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delete crono;
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delete footer;
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}
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extern "C" {
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extern U_EXPORT void runDynamicPage_ir_web(int param);
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U_EXPORT void runDynamicPage_ir_web(int param)
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{
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U_TRACE(0, "::runDynamicPage_ir_web(%d)", param)
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if (param)
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{
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if (param == U_DPAGE_INIT) { usp_init_ir_web(); return; }
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if (param == U_DPAGE_DESTROY) { usp_end_ir_web(); return; }
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if (param >= U_DPAGE_FORK) return;
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}
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UHTTP::mime_index = U_html;
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U_http_info.endHeader = 0;
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if (UHTTP::getDataSession() == false) UHTTP::setSessionCookie();
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const char* ref = "?ext=help";
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uint32_t num_args = UHTTP::processForm() / 2;
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bool form_with_help = false;
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if (UHTTP::isGET())
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{
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if (num_args == 1)
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{
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UString ext_val = USP_FORM_VALUE_FROM_NAME("ext");
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if (ext_val.equal(U_CONSTANT_TO_PARAM("help")))
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{
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ref = "ir_web";
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form_with_help = true;
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}
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else
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{
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UHTTP::num_item_tot = IR_SESSION.size();
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UHTTP::num_page_cur = USP_FORM_VALUE(0).strtol();
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}
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}
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}
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else if (UHTTP::isPOST())
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{
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IR_SESSION.query = USP_FORM_VALUE(0);
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if (num_args != 2 ||
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IR_SESSION.query.empty())
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{
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UHTTP::setBadRequest();
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return;
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}
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IR_SESSION.for_page = UHTTP::num_item_for_page = USP_FORM_VALUE(1).strtol();
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query->clear();
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crono->start();
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query->run(U_STRING_TO_PARAM(IR_SESSION.query), &IR_SESSION.vec);
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crono->stop();
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if ((UHTTP::num_item_tot = WeightWord::size()))
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{
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UHTTP::num_page_start = 1;
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UHTTP::num_page_end = UHTTP::num_item_for_page;
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WeightWord::sortObjects();
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}
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WeightWord::vec = U_NULLPTR;
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IR_SESSION.timerun = UStringExt::numberToString(crono->getTimeElapsedInSecond());
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UHTTP::num_page_cur = 1;
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}
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else
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{
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UHTTP::setBadMethod();
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return;
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}
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(void) UClientImage_Base::wbuffer->append(
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U_CONSTANT_TO_PARAM("<html>\n<head>\n <title>ULib search engine: a full-text search system for communities</title>\n <link title=\"Services\" rel=\"stylesheet\" href=\"/css/pagination.min.css\" type=\"text/css\">\n</head>\n<body>\n <div id=\"estform\" class=\"estform\">\n <form action=\"ir_web\" method=\"post\" id=\"form_self\" name=\"form_self\">\n\n <div class=\"form_navi\">\n <a href=\"")
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);
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(void) UClientImage_Base::wbuffer->append((ref));
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(void) UClientImage_Base::wbuffer->append(
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U_CONSTANT_TO_PARAM("\" class=\"navilink\">help</a>\n </div>\n\n <div class=\"form_basic\">\n <input type=\"text\" name=\"phrase\" value=\"\" size=\"80\" id=\"phrase\" class=\"text\" tabindex=\"1\" accesskey=\"0\">\n <input type=\"submit\" value=\"Search\" id=\"search\" class=\"submit\" tabindex=\"2\" accesskey=\"1\">\n </div>\n\n <div class=\"form_extension\">\n <select name=\"perpage\" id=\"perpage\" tabindex=\"3\">\n <option value=\"10\" selected=\"selected\">10</option>\n <option value=\"20\">20</option> \n <option value=\"30\">30</option>\n <option value=\"50\">50</option>\n <option value=\"60\">60</option>\n <option value=\"70\">70</option>\n <option value=\"80\">80</option>\n <option value=\"90\">90</option>\n <option value=\"100\">100</option>\n </select> per page\n </div>\n </form>\n </div>\n\n")
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);
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if (form_with_help) {
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(void) UClientImage_Base::wbuffer->append(
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U_CONSTANT_TO_PARAM(" <div class=\"help\">\n <h1 class=\"title\">Help</h1>\n\n <h2>What is This?</h2>\n\n <p>This is a full-text search system. You can search for documents including some specified words.</p>\n\n <h2>How to Use</h2>\n\n <p>Input search phrase into the field at the top of the page. For example, if you search for documents including \"computer\", input the\n following.</p>\n <pre>computer</pre>\n\n <p>If you search for documents including both of \"network\" and \"socket\", input the following.</p>\n <pre>network socket</pre>\n\n <p>It is the same as the following.</p>\n <pre>network AND socket</pre>\n\n <p>If you search for documents including \"network\" followed by \"socket\", input the following.</p>\n <pre>\"network socket\"</pre>\n\n <p>If you search for documents including one or both of \"network\" and \"socket\", input the following.</p>\n <pre>network OR socket</pre>\n\n <p>If you search for documents including \"network\" but without \"socket\", input the following.</p>\n <pre>network AND NOT socket</pre>\n\n <p>For more complex query, you can use \"<code>(</code>\". Note that the priority of \"<code>(</code>\" is higher than that of \"<code>AND</code>\",\n \"<code>OR</code>\" and \"<code>NOT</code>\". So, the following is to search for documents including one of \"F1\", \"F-1\", \"Formula One\", and including\n one of \"champion\" and \"victory\".</p>\n <pre>(F1 OR F-1 OR \"Formula One\") AND (champion OR victory)</pre>\n\n <h2>You can use DOS wildcard characters</h2>\n\n <p>If you search for documents including some words beginning with \"inter\", input the following.</p>\n <pre>inter*</pre>\n\n <p>If you search for documents including some words ending with \"sphere\", input the following.</p>\n <pre>*sphere</pre>\n\n <p>If you search for documents matching some words matching \"?n*able\" (unable, unavoidable, inevitable, ...), input the following.</p>\n <pre>?n*able</pre>\n\n <h2>Other Faculties</h2>\n\n <p>\"<code>[...] per page</code>\" specifies the number of shown documents per page. If documents over one page correspond, you can move to another\n page via anchors of \"<code>PREV</code>\" and \"<code>NEXT</code>\" at the bottom of the page.</p>\n\n <h2>Information</h2>\n\n <p>See <a href=\"http://www.unirel.com/\">the project site</a> for more detail.</p>\n </div>\n\n")
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);
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} else {
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if (num_args == 0) {
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(void) UClientImage_Base::wbuffer->append(
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U_CONSTANT_TO_PARAM(" <div class=\"logo\">\n <h1 class=\"title\">ULib search engine</h1>\n <div class=\"caption\">a full-text search system for communities</div>\n </div>\n\n")
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);
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} else {
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UString link_paginazione = UHTTP::getLinkPagination();
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USP_PRINTF("<div id=\"estresult\" class=\"estresult\">\n"
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" <div class=\"resinfo\">\n"
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" Results of <strong>%u</strong> - <strong>%u</strong> of about <strong>%u</strong> for <strong>%v</strong> (%v sec.)\n"
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" </div>\n",
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UHTTP::num_page_start, UHTTP::num_page_end, UHTTP::num_item_tot, IR_SESSION.query.rep, IR_SESSION.timerun.rep);
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if (UHTTP::num_item_tot == 0) {
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(void) UClientImage_Base::wbuffer->append(
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U_CONSTANT_TO_PARAM(" <p class=\"note\">Your search did not match any documents.</p>\n")
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);
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} else {
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UString doc, snippet_doc(U_CAPACITY), basename, filename, pathname1(U_CAPACITY), pathname2(U_CAPACITY);
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for (uint32_t i = UHTTP::num_page_start-1; i < UHTTP::num_page_end; ++i)
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{
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filename = IR_SESSION.vec[i]->filename;
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basename = UStringExt::basename(filename);
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pathname1.snprintf(U_CONSTANT_TO_PARAM( "/doc/%v"), filename.rep);
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pathname2.snprintf(U_CONSTANT_TO_PARAM("%w/doc/%v"), filename.rep);
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doc = UFile::contentOf(pathname2);
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UXMLEscape::encode(doc, snippet_doc);
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USP_PRINTF("<dl class=\"doc\"\n"
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" <dt><a href=\"%v\" class=\"doc_title\">%v</a></dt>\n"
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" <dd class=\"doc_text\">%v <code class=\"delim\">...</code></dd>\n"
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" <dd class=\"doc_navi\"><span class=\"doc_link\">file://%v</span></dd>\n"
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"</dl>\n",
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pathname1.rep, basename.rep, snippet_doc.rep, pathname2.rep);
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}
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}
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USP_PRINTF("<div class=\"paging\">%v</div></div>\n", link_paginazione.rep);
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}
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}
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(void) UClientImage_Base::wbuffer->append(
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U_CONSTANT_TO_PARAM(" <div id=\"estinfo\" class=\"estinfo\">\n Powered by <a href=\"http://www.unirel.com/\">ULib search engine</a> ")
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);
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(void) UClientImage_Base::wbuffer->append((*footer));
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(void) UClientImage_Base::wbuffer->append(
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U_CONSTANT_TO_PARAM(" </div>\n</body>\n</html>")
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);
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UHTTP::putDataSession();
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} } |