130 lines
3.4 KiB
C++
130 lines
3.4 KiB
C++
/* Copyright (C) 2005 J.F.Dockes
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "autoconfig.h"
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#include "docseq.h"
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#include "filtseq.h"
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#include "sortseq.h"
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#include "debuglog.h"
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#include "internfile.h"
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PTMutexInit DocSequence::o_dblock;
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string DocSequence::o_sort_trans;
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string DocSequence::o_filt_trans;
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int DocSequence::getSeqSlice(int offs, int cnt, vector<ResListEntry>& result)
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{
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int ret = 0;
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for (int num = offs; num < offs + cnt; num++, ret++) {
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result.push_back(ResListEntry());
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if (!getDoc(num, result.back().doc, &result.back().subHeader)) {
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result.pop_back();
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return ret;
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}
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}
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return ret;
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}
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bool DocSequence::getEnclosing(Rcl::Doc& doc, Rcl::Doc& pdoc)
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{
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Rcl::Db *db = getDb();
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if (db == 0) {
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LOGERR(("DocSequence::getEnclosing: no db\n"));
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return false;
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}
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PTMutexLocker locker(o_dblock);
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string udi;
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if (!FileInterner::getEnclosingUDI(doc, udi))
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return false;
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bool dbret = db->getDoc(udi, doc, pdoc);
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return dbret && pdoc.pc != -1;
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}
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// Remove stacked modifying sources (sort, filter) until we get to a real one
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void DocSource::stripStack()
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{
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if (!m_seq)
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return;
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while (m_seq->getSourceSeq()) {
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m_seq = m_seq->getSourceSeq();
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}
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}
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bool DocSource::buildStack()
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{
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LOGDEB2(("DocSource::buildStack()\n"));
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stripStack();
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if (!m_seq)
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return false;
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// Filtering must be done before sorting, (which may
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// truncates the original list)
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if (m_seq->canFilter()) {
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if (!m_seq->setFiltSpec(m_fspec)) {
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LOGERR(("DocSource::buildStack: setfiltspec failed\n"));
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}
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} else {
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if (m_fspec.isNotNull()) {
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m_seq =
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STD_SHARED_PTR<DocSequence>(new DocSeqFiltered(m_config, m_seq, m_fspec));
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}
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}
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if (m_seq->canSort()) {
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if (!m_seq->setSortSpec(m_sspec)) {
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LOGERR(("DocSource::buildStack: setsortspec failed\n"));
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}
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} else {
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if (m_sspec.isNotNull()) {
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m_seq = STD_SHARED_PTR<DocSequence>(new DocSeqSorted(m_seq, m_sspec));
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}
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}
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return true;
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}
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string DocSource::title()
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{
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if (!m_seq)
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return string();
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string qual;
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if (m_fspec.isNotNull() && !m_sspec.isNotNull())
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qual = string(" (") + o_filt_trans + string(")");
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else if (!m_fspec.isNotNull() && m_sspec.isNotNull())
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qual = string(" (") + o_sort_trans + string(")");
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else if (m_fspec.isNotNull() && m_sspec.isNotNull())
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qual = string(" (") + o_sort_trans + string(",") + o_filt_trans + string(")");
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return m_seq->title() + qual;
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}
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bool DocSource::setFiltSpec(const DocSeqFiltSpec &f)
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{
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LOGDEB2(("DocSource::setFiltSpec\n"));
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m_fspec = f;
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buildStack();
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return true;
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}
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bool DocSource::setSortSpec(const DocSeqSortSpec &s)
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{
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LOGDEB2(("DocSource::setSortSpec\n"));
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m_sspec = s;
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buildStack();
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return true;
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}
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