526 lines
17 KiB
C++
526 lines
17 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "HelpCompiler.hxx"
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#include <limits.h>
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#include <stdlib.h>
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#include <string.h>
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#include <libxslt/xslt.h>
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#include <libxslt/xsltInternals.h>
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#include <libxslt/transform.h>
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#include <libxslt/xsltutils.h>
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#include <osl/thread.hxx>
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static void impl_sleep( sal_uInt32 nSec )
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{
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TimeValue aTime;
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aTime.Seconds = nSec;
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aTime.Nanosec = 0;
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osl::Thread::wait( aTime );
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}
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HelpCompiler::HelpCompiler(StreamTable &in_streamTable, const fs::path &in_inputFile,
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const fs::path &in_src, const fs::path &in_resEmbStylesheet,
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const std::string &in_module, const std::string &in_lang, bool in_bExtensionMode)
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: streamTable(in_streamTable), inputFile(in_inputFile),
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src(in_src), module(in_module), lang(in_lang), resEmbStylesheet(in_resEmbStylesheet),
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bExtensionMode( in_bExtensionMode )
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{
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xmlKeepBlanksDefaultValue = 0;
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}
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xmlDocPtr HelpCompiler::getSourceDocument(const fs::path &filePath)
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{
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static const char *params[4 + 1];
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static xsltStylesheetPtr cur = NULL;
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xmlDocPtr res;
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if( bExtensionMode )
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{
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res = xmlParseFile(filePath.native_file_string().c_str());
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if( !res ){
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impl_sleep( 3 );
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res = xmlParseFile(filePath.native_file_string().c_str());
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}
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}
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else
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{
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if (!cur)
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{
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static std::string fsroot('\'' + src.toUTF8() + '\'');
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static std::string esclang('\'' + lang + '\'');
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xmlSubstituteEntitiesDefault(1);
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xmlLoadExtDtdDefaultValue = 1;
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cur = xsltParseStylesheetFile((const xmlChar *)resEmbStylesheet.native_file_string().c_str());
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int nbparams = 0;
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params[nbparams++] = "Language";
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params[nbparams++] = esclang.c_str();
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params[nbparams++] = "fsroot";
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params[nbparams++] = fsroot.c_str();
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params[nbparams] = NULL;
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}
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xmlDocPtr doc = xmlParseFile(filePath.native_file_string().c_str());
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if( !doc )
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{
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impl_sleep( 3 );
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doc = xmlParseFile(filePath.native_file_string().c_str());
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}
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//???res = xmlParseFile(filePath.native_file_string().c_str());
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res = xsltApplyStylesheet(cur, doc, params);
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xmlFreeDoc(doc);
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}
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return res;
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}
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HashSet HelpCompiler::switchFind(xmlDocPtr doc)
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{
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HashSet hs;
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xmlChar *xpath = (xmlChar*)"//switchinline";
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xmlXPathContextPtr context = xmlXPathNewContext(doc);
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xmlXPathObjectPtr result = xmlXPathEvalExpression(xpath, context);
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xmlXPathFreeContext(context);
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if (result)
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{
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xmlNodeSetPtr nodeset = result->nodesetval;
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for (int i = 0; i < nodeset->nodeNr; i++)
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{
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xmlNodePtr el = nodeset->nodeTab[i];
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xmlChar *select = xmlGetProp(el, (xmlChar*)"select");
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if (select)
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{
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if (!strcmp((const char*)select, "appl"))
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{
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xmlNodePtr n1 = el->xmlChildrenNode;
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while (n1)
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{
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if ((!xmlStrcmp(n1->name, (const xmlChar*)"caseinline")))
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{
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xmlChar *appl = xmlGetProp(n1, (xmlChar*)"select");
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hs.push_back(std::string((const char*)appl));
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xmlFree(appl);
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}
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else if ((!xmlStrcmp(n1->name, (const xmlChar*)"defaultinline")))
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hs.push_back(std::string("DEFAULT"));
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n1 = n1->next;
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}
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}
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xmlFree(select);
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}
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}
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xmlXPathFreeObject(result);
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}
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hs.push_back(std::string("DEFAULT"));
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return hs;
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}
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// returns a node representing the whole stuff compiled for the current
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// application.
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xmlNodePtr HelpCompiler::clone(xmlNodePtr node, const std::string& appl)
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{
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xmlNodePtr parent = xmlCopyNode(node, 2);
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xmlNodePtr n = node->xmlChildrenNode;
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while (n != NULL)
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{
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bool isappl = false;
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if ( (!strcmp((const char*)n->name, "switchinline")) ||
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(!strcmp((const char*)n->name, "switch")) )
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{
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xmlChar *select = xmlGetProp(n, (xmlChar*)"select");
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if (select)
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{
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if (!strcmp((const char*)select, "appl"))
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isappl = true;
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xmlFree(select);
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}
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}
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if (isappl)
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{
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xmlNodePtr caseNode = n->xmlChildrenNode;
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if (appl == "DEFAULT")
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{
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while (caseNode)
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{
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if (!strcmp((const char*)caseNode->name, "defaultinline"))
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{
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xmlNodePtr cnl = caseNode->xmlChildrenNode;
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while (cnl)
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{
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xmlAddChild(parent, clone(cnl, appl));
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cnl = cnl->next;
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}
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break;
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}
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caseNode = caseNode->next;
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}
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}
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else
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{
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while (caseNode)
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{
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isappl=false;
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if (!strcmp((const char*)caseNode->name, "caseinline"))
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{
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xmlChar *select = xmlGetProp(n, (xmlChar*)"select");
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if (select)
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{
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if (!strcmp((const char*)select, appl.c_str()))
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isappl = true;
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xmlFree(select);
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}
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if (isappl)
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{
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xmlNodePtr cnl = caseNode->xmlChildrenNode;
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while (cnl)
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{
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xmlAddChild(parent, clone(cnl, appl));
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cnl = cnl->next;
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}
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break;
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}
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}
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caseNode = caseNode->next;
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}
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}
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}
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else
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xmlAddChild(parent, clone(n, appl));
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n = n->next;
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}
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return parent;
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}
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class myparser
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{
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public:
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std::string documentId;
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std::string fileName;
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std::string title;
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HashSet *hidlist;
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Hashtable *keywords;
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Stringtable *helptexts;
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private:
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HashSet extendedHelpText;
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public:
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myparser(const std::string &indocumentId, const std::string &infileName,
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const std::string &intitle) : documentId(indocumentId), fileName(infileName),
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title(intitle)
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{
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hidlist = new HashSet;
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keywords = new Hashtable;
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helptexts = new Stringtable;
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}
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void traverse( xmlNodePtr parentNode );
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private:
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std::string dump(xmlNodePtr node);
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};
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std::string myparser::dump(xmlNodePtr node)
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{
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std::string app;
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if (node->xmlChildrenNode)
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{
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xmlNodePtr list = node->xmlChildrenNode;
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while (list)
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{
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app += dump(list);
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list = list->next;
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}
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}
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if (xmlNodeIsText(node))
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{
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xmlChar *pContent = xmlNodeGetContent(node);
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app += std::string((const char*)pContent);
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xmlFree(pContent);
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// std::cout << app << std::endl;
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}
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return app;
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}
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void trim(std::string& str)
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{
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std::string::size_type pos = str.find_last_not_of(' ');
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if(pos != std::string::npos)
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{
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str.erase(pos + 1);
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pos = str.find_first_not_of(' ');
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if(pos != std::string::npos)
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str.erase(0, pos);
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}
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else
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str.erase(str.begin(), str.end());
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}
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void myparser::traverse( xmlNodePtr parentNode )
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{
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// traverse all nodes that belong to the parent
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xmlNodePtr test ;
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for (test = parentNode->xmlChildrenNode; test; test = test->next)
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{
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if (fileName.empty() && !strcmp((const char*)test->name, "filename"))
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{
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xmlNodePtr node = test->xmlChildrenNode;
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if (xmlNodeIsText(node))
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{
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xmlChar *pContent = xmlNodeGetContent(node);
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fileName = std::string((const char*)pContent);
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xmlFree(pContent);
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}
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}
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else if (title.empty() && !strcmp((const char*)test->name, "title"))
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{
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title = dump(test);
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if (title.empty())
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title = "<notitle>";
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}
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else if (!strcmp((const char*)test->name, "bookmark"))
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{
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xmlChar *branchxml = xmlGetProp(test, (const xmlChar*)"branch");
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xmlChar *idxml = xmlGetProp(test, (const xmlChar*)"id");
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std::string branch((const char*)branchxml);
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std::string anchor((const char*)idxml);
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xmlFree (branchxml);
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xmlFree (idxml);
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std::string hid;
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if (branch.find("hid") == 0)
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{
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size_t index = branch.find('/');
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if (index != std::string::npos)
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{
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hid = branch.substr(1 + index);
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// one shall serve as a documentId
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if (documentId.empty())
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documentId = hid;
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extendedHelpText.push_back(hid);
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std::string foo = anchor.empty() ? hid : hid + "#" + anchor;
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HCDBG(std::cerr << "hid pushback" << foo << std::endl);
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hidlist->push_back( anchor.empty() ? hid : hid + "#" + anchor);
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}
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else
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continue;
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}
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else if (branch.compare("index") == 0)
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{
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LinkedList ll;
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for (xmlNodePtr nd = test->xmlChildrenNode; nd; nd = nd->next)
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{
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if (strcmp((const char*)nd->name, "bookmark_value"))
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continue;
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std::string embedded;
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xmlChar *embeddedxml = xmlGetProp(nd, (const xmlChar*)"embedded");
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if (embeddedxml)
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{
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embedded = std::string((const char*)embeddedxml);
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xmlFree (embeddedxml);
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std::transform (embedded.begin(), embedded.end(),
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embedded.begin(), tocharlower);
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}
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bool isEmbedded = !embedded.empty() && embedded.compare("true") == 0;
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if (isEmbedded)
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continue;
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std::string keyword = dump(nd);
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size_t keywordSem = keyword.find(';');
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if (keywordSem != std::string::npos)
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{
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std::string tmppre =
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keyword.substr(0,keywordSem);
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trim(tmppre);
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std::string tmppos =
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keyword.substr(1+keywordSem);
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trim(tmppos);
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keyword = tmppre + ";" + tmppos;
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}
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ll.push_back(keyword);
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}
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if (!ll.empty())
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(*keywords)[anchor] = ll;
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}
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else if (branch.compare("contents") == 0)
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{
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// currently not used
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}
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}
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else if (!strcmp((const char*)test->name, "ahelp"))
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{
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std::string text = dump(test);
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trim(text);
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std::string name;
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HashSet::const_iterator aEnd = extendedHelpText.end();
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for (HashSet::const_iterator iter = extendedHelpText.begin(); iter != aEnd;
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++iter)
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{
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name = *iter;
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(*helptexts)[name] = text;
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}
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extendedHelpText.clear();
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}
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// traverse children
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traverse(test);
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}
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}
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bool HelpCompiler::compile( void ) throw( HelpProcessingException )
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{
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// we now have the jaroutputstream, which will contain the document.
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// now determine the document as a dom tree in variable docResolved
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xmlDocPtr docResolvedOrg = getSourceDocument(inputFile);
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// now add path to the document
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// resolve the dom
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if (!docResolvedOrg)
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{
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impl_sleep( 3 );
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docResolvedOrg = getSourceDocument(inputFile);
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if( !docResolvedOrg )
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{
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std::stringstream aStrStream;
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aStrStream << "ERROR: file not existing: " << inputFile.native_file_string().c_str() << std::endl;
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throw HelpProcessingException( HELPPROCESSING_GENERAL_ERROR, aStrStream.str() );
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}
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}
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// now find all applications for which one has to compile
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std::string documentId;
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std::string fileName;
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std::string title;
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// returns all applications for which one has to compile
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HashSet applications = switchFind(docResolvedOrg);
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HashSet::const_iterator aEnd = applications.end();
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for (HashSet::const_iterator aI = applications.begin(); aI != aEnd; ++aI)
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{
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std::string appl = *aI;
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std::string modulename = appl;
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if (modulename[0] == 'S')
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{
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modulename = modulename.substr(1);
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std::transform(modulename.begin(), modulename.end(), modulename.begin(), tocharlower);
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}
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if (modulename != "DEFAULT" && modulename != module)
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continue;
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// returns a clone of the document with swich-cases resolved
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xmlNodePtr docResolved = clone(xmlDocGetRootElement(docResolvedOrg), appl);
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myparser aparser(documentId, fileName, title);
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aparser.traverse(docResolved);
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documentId = aparser.documentId;
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fileName = aparser.fileName;
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title = aparser.title;
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HCDBG(std::cerr << documentId << " : " << fileName << " : " << title << std::endl);
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xmlDocPtr docResolvedDoc = xmlCopyDoc(docResolvedOrg, false);
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xmlDocSetRootElement(docResolvedDoc, docResolved);
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if (modulename == "DEFAULT")
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{
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streamTable.dropdefault();
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streamTable.default_doc = docResolvedDoc;
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streamTable.default_hidlist = aparser.hidlist;
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streamTable.default_helptexts = aparser.helptexts;
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streamTable.default_keywords = aparser.keywords;
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}
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else
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{
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streamTable.dropappl();
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streamTable.appl_doc = docResolvedDoc;
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streamTable.appl_hidlist = aparser.hidlist;
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streamTable.appl_helptexts = aparser.helptexts;
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streamTable.appl_keywords = aparser.keywords;
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}
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} // end iteration over all applications
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streamTable.document_id = documentId;
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streamTable.document_path = fileName;
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streamTable.document_title = title;
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std::string actMod = module;
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if ( !bExtensionMode && !fileName.empty())
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{
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if (fileName.find("/text/") == 0)
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{
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int len = strlen("/text/");
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actMod = fileName.substr(len);
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actMod = actMod.substr(0, actMod.find('/'));
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}
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}
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streamTable.document_module = actMod;
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xmlFreeDoc(docResolvedOrg);
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return true;
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}
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namespace fs
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{
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rtl_TextEncoding getThreadTextEncoding( void )
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{
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static bool bNeedsInit = true;
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static rtl_TextEncoding nThreadTextEncoding;
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if( bNeedsInit )
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{
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bNeedsInit = false;
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nThreadTextEncoding = osl_getThreadTextEncoding();
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}
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return nThreadTextEncoding;
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}
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void create_directory(const fs::path indexDirName)
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{
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HCDBG(
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std::cerr << "creating " <<
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rtl::OUStringToOString(indexDirName.data, RTL_TEXTENCODING_UTF8).getStr()
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<< std::endl
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);
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osl::Directory::createPath(indexDirName.data);
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}
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void copy(const fs::path &src, const fs::path &dest)
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{
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osl::File::copy(src.data, dest.data);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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