1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <vector>

#include <symbol.hxx>
#include <utility.hxx>
#include "cfgitem.hxx"
#include <smmod.hxx>
#include <sal/log.hxx>
#include <osl/diagnose.h>


SmSym::SmSym() :
    m_aName(OUString("unknown")),
    m_aSetName(OUString("unknown")),
    m_cChar('\0'),
    m_bPredefined(false)
{
    m_aExportName = m_aName;
    m_aFace.SetTransparent(true);
    m_aFace.SetAlignment(ALIGN_BASELINE);
}


SmSym::SmSym(const SmSym& rSymbol)
{
    *this = rSymbol;
}


SmSym::SmSym(const OUString& rName, const vcl::Font& rFont, sal_UCS4 cChar,
             const OUString& rSet, bool bIsPredefined)
{
    m_aName     = m_aExportName   = rName;

    m_aFace     = rFont;
    m_aFace.SetTransparent(true);
    m_aFace.SetAlignment(ALIGN_BASELINE);

    m_cChar         = cChar;
    m_aSetName      = rSet;
    m_bPredefined   = bIsPredefined;
}


SmSym& SmSym::operator = (const SmSym& rSymbol)
{
    m_aName         = rSymbol.m_aName;
    m_aExportName   = rSymbol.m_aExportName;
    m_cChar         = rSymbol.m_cChar;
    m_aFace         = rSymbol.m_aFace;
    m_aSetName      = rSymbol.m_aSetName;
    m_bPredefined   = rSymbol.m_bPredefined;

    SM_MOD()->GetSymbolManager().SetModified(true);

    return *this;
}


bool SmSym::IsEqualInUI( const SmSym& rSymbol ) const
{
    return  m_aName == rSymbol.m_aName &&
            m_aFace == rSymbol.m_aFace &&
            m_cChar == rSymbol.m_cChar;
}

/**************************************************************************/


SmSymbolManager::SmSymbolManager()
{
    m_bModified     = false;
}


SmSymbolManager::SmSymbolManager(const SmSymbolManager& rSymbolSetManager)
{
    m_aSymbols      = rSymbolSetManager.m_aSymbols;
    m_bModified     = true;
}


SmSymbolManager::~SmSymbolManager()
{
}


SmSymbolManager& SmSymbolManager::operator = (const SmSymbolManager& rSymbolSetManager)
{
    m_aSymbols      = rSymbolSetManager.m_aSymbols;
    m_bModified     = true;
    return *this;
}


SmSym *SmSymbolManager::GetSymbolByName(const OUString& rSymbolName)
{
    SmSym *pRes = nullptr;
    SymbolMap_t::iterator aIt( m_aSymbols.find( rSymbolName ) );
    if (aIt != m_aSymbols.end())
        pRes = &aIt->second;
    return pRes;
}


SymbolPtrVec_t SmSymbolManager::GetSymbols() const
{
    SymbolPtrVec_t aRes;
    for (const auto& rEntry : m_aSymbols)
        aRes.push_back( &rEntry.second );<--- Consider using std::transform algorithm instead of a raw loop.
//    OSL_ENSURE( sSymbols.size() == m_aSymbols.size(), "number of symbols mismatch " );
    return aRes;
}


bool SmSymbolManager::AddOrReplaceSymbol( const SmSym &rSymbol, bool bForceChange )
{
    bool bAdded = false;

    const OUString& aSymbolName( rSymbol.GetName() );
    if (!aSymbolName.isEmpty() && !rSymbol.GetSymbolSetName().isEmpty())
    {
        const SmSym *pFound = GetSymbolByName( aSymbolName );
        const bool bSymbolConflict = pFound && !pFound->IsEqualInUI( rSymbol );

        // avoid having the same symbol name twice but with different symbols in use
        if (!pFound || bForceChange)
        {
            m_aSymbols[ aSymbolName ] = rSymbol;
            bAdded = true;
        }
        else if (bSymbolConflict)
        {
            // TODO: to solve this a document owned symbol manager would be required ...
                SAL_WARN("starmath", "symbol conflict, different symbol with same name found!");
            // symbols in all formulas. A copy of the global one would be needed here
            // and then the new symbol has to be forcefully applied. This would keep
            // the current formula intact but will leave the set of symbols in the
            // global symbol manager somewhat to chance.
        }

        OSL_ENSURE( bAdded, "failed to add symbol" );
        if (bAdded)
            m_bModified = true;
        OSL_ENSURE( bAdded || (pFound && !bSymbolConflict), "AddOrReplaceSymbol: unresolved symbol conflict" );
    }

    return bAdded;
}


void SmSymbolManager::RemoveSymbol( const OUString & rSymbolName )
{
    if (!rSymbolName.isEmpty())
    {
        size_t nOldSize = m_aSymbols.size();
        m_aSymbols.erase( rSymbolName );
        m_bModified = nOldSize != m_aSymbols.size();
    }
}


std::set< OUString > SmSymbolManager::GetSymbolSetNames() const
{
    std::set< OUString >  aRes;
    for (const auto& rEntry : m_aSymbols)
        aRes.insert( rEntry.second.GetSymbolSetName() );
    return aRes;
}


SymbolPtrVec_t SmSymbolManager::GetSymbolSet( const OUString& rSymbolSetName )
{
    SymbolPtrVec_t aRes;
    if (!rSymbolSetName.isEmpty())
    {
        for (const auto& rEntry : m_aSymbols)
        {
            if (rEntry.second.GetSymbolSetName() == rSymbolSetName)
                aRes.push_back( &rEntry.second );
        }
    }
    return aRes;
}


void SmSymbolManager::Load()
{
    std::vector< SmSym > aSymbols;
    SmMathConfig &rCfg = *SM_MOD()->GetConfig();
    rCfg.GetSymbols( aSymbols );
    size_t nSymbolCount = aSymbols.size();

    m_aSymbols.clear();
    for (size_t i = 0;  i < nSymbolCount;  ++i)
    {
        const SmSym &rSym = aSymbols[i];
        OSL_ENSURE( !rSym.GetName().isEmpty(), "symbol without name!" );
        if (!rSym.GetName().isEmpty())
            AddOrReplaceSymbol( rSym );
    }
    m_bModified = true;

    if (0 == nSymbolCount)
    {
        SAL_WARN("starmath", "no symbol set found");
        m_bModified = false;
    }

    // now add a %i... symbol to the 'iGreek' set for every symbol found in the 'Greek' set.
    const OUString aGreekSymbolSetName(SmLocalizedSymbolData::GetUiSymbolSetName("Greek"));
    const SymbolPtrVec_t    aGreekSymbols( GetSymbolSet( aGreekSymbolSetName ) );
    OUString aSymbolSetName = "i" + aGreekSymbolSetName;
    size_t nSymbols = aGreekSymbols.size();
    for (size_t i = 0;  i < nSymbols;  ++i)
    {
        // make the new symbol a copy but with ITALIC_NORMAL, and add it to iGreek
        const SmSym &rSym = *aGreekSymbols[i];
        vcl::Font aFont( rSym.GetFace() );
        OSL_ENSURE( aFont.GetItalic() == ITALIC_NONE, "expected Font with ITALIC_NONE, failed." );
        aFont.SetItalic( ITALIC_NORMAL );
        OUString aSymbolName = "i" + rSym.GetName();
        SmSym aSymbol( aSymbolName, aFont, rSym.GetCharacter(),
                aSymbolSetName, true /*bIsPredefined*/ );

        AddOrReplaceSymbol( aSymbol );
    }
}

void SmSymbolManager::Save()
{
    if (!m_bModified)
        return;

    SmMathConfig &rCfg = *SM_MOD()->GetConfig();

    // prepare to skip symbols from iGreek on saving
    OUString aSymbolSetName = "i" +
        SmLocalizedSymbolData::GetUiSymbolSetName("Greek");

    SymbolPtrVec_t aTmp( GetSymbols() );
    std::vector< SmSym > aSymbols;
    for (const SmSym* i : aTmp)
    {
        // skip symbols from iGreek set since those symbols always get added
        // by computational means in SmSymbolManager::Load
        if (i->GetSymbolSetName() != aSymbolSetName)
            aSymbols.push_back( *i );
    }
    rCfg.SetSymbols( aSymbols );

    m_bModified = false;
}


/* vim:set shiftwidth=4 softtabstop=4 expandtab: */