]> git.lyx.org Git - lyx.git/blobdiff - src/BufferList.cpp
Fix #10778 (issue with CJK and language nesting)
[lyx.git] / src / BufferList.cpp
index e19c8aa63d3f86523e7da5f4609fef018c28cb82..bcdec59d87cf9e34cf800c0afbcfe61836a550ea 100644 (file)
@@ -92,23 +92,52 @@ BufferList::const_iterator BufferList::end() const
 
 void BufferList::release(Buffer * buf)
 {
-       LASSERT(buf, /**/);
+       // We may leak here, but we probably do not need to
+       // shut down.
+       LASSERT(buf, return);
        BufferStorage::iterator const it =
                find(bstore.begin(), bstore.end(), buf);
        if (it != bstore.end()) {
+               Buffer const * parent = buf->parent();
                Buffer * tmp = (*it);
-               LASSERT(tmp, /**/);
                bstore.erase(it);
+               LASSERT(tmp, return);
                delete tmp;
+               if (parent)
+                       // If this was a child, update the parent's buffer
+                       // to avoid crashes due to dangling pointers (bug 9979)
+                       parent->updateBuffer();
        }
 }
 
 
-Buffer * BufferList::newBuffer(string const & s, bool const ronly)
+Buffer * BufferList::newInternalBuffer(string const & s)
+{
+       Buffer * const buf = createNewBuffer(s);
+       if (buf) {
+               buf->setInternal(true);
+               binternal.push_back(buf);
+       }
+       return buf;
+}
+
+
+Buffer * BufferList::newBuffer(string const & s)
+{
+       Buffer * const buf = createNewBuffer(s);
+       if (buf) {
+               LYXERR(Debug::INFO, "Assigning to buffer " << bstore.size());
+               bstore.push_back(buf);
+       }
+       return buf;
+}
+
+
+Buffer * BufferList::createNewBuffer(string const & s)
 {
        auto_ptr<Buffer> tmpbuf;
        try {
-               tmpbuf.reset(new Buffer(s, ronly));
+               tmpbuf.reset(new Buffer(s));
        } catch (ExceptionMessage const & message) {
                if (message.type_ == ErrorException) {
                        Alert::error(message.title_, message.details_);
@@ -119,12 +148,6 @@ Buffer * BufferList::newBuffer(string const & s, bool const ronly)
                }
        }
        tmpbuf->params().useClassDefaults();
-       if (tmpbuf->isInternal()) {
-               binternal.push_back(tmpbuf.get());
-       } else {
-               LYXERR(Debug::INFO, "Assigning to buffer " << bstore.size());
-               bstore.push_back(tmpbuf.get());
-       }
        return tmpbuf.release();
 }
 
@@ -136,10 +159,9 @@ void BufferList::closeAll()
 }
 
 
-FileNameList const & BufferList::fileNames() const
+FileNameList BufferList::fileNames() const
 {
-       static FileNameList nvec;
-       nvec.clear();
+       FileNameList nvec;
        BufferStorage::const_iterator it = bstore.begin();
        BufferStorage::const_iterator end = bstore.end();
        for (; it != end; ++it) {
@@ -176,13 +198,14 @@ Buffer * BufferList::getBuffer(unsigned int choice)
 
 Buffer * BufferList::next(Buffer const * buf) const
 {
-       LASSERT(buf, /**/);
+       // Something is wrong, but we can probably survive it.
+       LASSERT(buf, return 0);
 
        if (bstore.empty())
                return 0;
-       BufferStorage::const_iterator it = find(bstore.begin(),
-                                               bstore.end(), buf);
-       LASSERT(it != bstore.end(), /**/);
+       BufferStorage::const_iterator it = 
+                       find(bstore.begin(), bstore.end(), buf);
+       LASSERT(it != bstore.end(), return 0);
        ++it;
        Buffer * nextbuf = (it == bstore.end()) ? bstore.front() : *it;
        return nextbuf;
@@ -191,13 +214,14 @@ Buffer * BufferList::next(Buffer const * buf) const
 
 Buffer * BufferList::previous(Buffer const * buf) const
 {
-       LASSERT(buf, /**/);
+       // Something is wrong, but we can probably survive it.
+       LASSERT(buf, return 0);
 
        if (bstore.empty())
                return 0;
-       BufferStorage::const_iterator it = find(bstore.begin(),
-                                               bstore.end(), buf);
-       LASSERT(it != bstore.end(), /**/);
+       BufferStorage::const_iterator it = 
+                       find(bstore.begin(), bstore.end(), buf);
+       LASSERT(it != bstore.end(), return 0);
 
        Buffer * previousbuf = (it == bstore.begin()) ? bstore.back() : *(it - 1);
        return previousbuf;
@@ -205,18 +229,21 @@ Buffer * BufferList::previous(Buffer const * buf) const
 
 
 void BufferList::updateIncludedTeXfiles(string const & masterTmpDir,
-                                       OutputParams const & runparams)
+                                       OutputParams const & runparams_in)
 {
+       OutputParams runparams = runparams_in;
+       runparams.is_child = true;
        BufferStorage::iterator it = bstore.begin();
        BufferStorage::iterator end = bstore.end();
        for (; it != end; ++it) {
                if (!(*it)->isDepClean(masterTmpDir)) {
                        string writefile = addName(masterTmpDir, (*it)->latexName());
                        (*it)->makeLaTeXFile(FileName(writefile), masterTmpDir,
-                                            runparams, false);
+                                            runparams, Buffer::OnlyBody);
                        (*it)->markDepClean(masterTmpDir);
                }
        }
+       runparams.is_child = false;
 }
 
 
@@ -229,6 +256,15 @@ void BufferList::emergencyWriteAll()
 }
 
 
+void BufferList::invalidateConverterCache() const
+{
+       BufferStorage::const_iterator it = bstore.begin();
+       BufferStorage::const_iterator const en = bstore.end();
+       for (; it != en; ++it)
+               (*it)->params().invalidateConverterCache();
+}
+
+
 bool BufferList::exists(FileName const & fname) const
 {
        return getBuffer(fname) != 0;
@@ -245,12 +281,36 @@ bool BufferList::exists(FileName const & fname) const
 }
 
 
+bool BufferList::isOthersChild(Buffer * parent, Buffer * child)
+{
+       LASSERT(parent, return false);
+       LASSERT(child, return false);
+       LASSERT(parent->isChild(child), return false);
+       
+       // Does child document have a different parent?
+       Buffer const * parent_ = child->parent();
+       if (parent_ && parent_ != parent)
+               return true;
+       
+       BufferStorage::iterator it = bstore.begin();
+       BufferStorage::iterator end = bstore.end();
+       for (; it != end; ++it) {
+               Buffer * buf = *it;
+               if (buf != parent && buf->isChild(child))
+                       return true;
+       }
+       return false;
+}
+
+
 namespace {
+
 struct equivalent_to : public binary_function<FileName, FileName, bool>
 {
        bool operator()(FileName const & x, FileName const & y) const
        { return equivalent(x, y); }
 };
+
 }
 
 
@@ -320,9 +380,18 @@ void BufferList::recordCurrentAuthor(Author const & author)
 }
 
 
+void BufferList::updatePreviews()
+{
+       BufferStorage::iterator it = bstore.begin();
+       BufferStorage::iterator end = bstore.end();
+       for (; it != end; ++it)
+               (*it)->updatePreviews();
+}
+
+
 int BufferList::bufferNum(FileName const & fname) const
 {
-       FileNameList const & buffers = fileNames();
+       FileNameList const buffers(fileNames());
        FileNameList::const_iterator cit =
                find(buffers.begin(), buffers.end(), fname);
        if (cit == buffers.end())
@@ -331,31 +400,6 @@ int BufferList::bufferNum(FileName const & fname) const
 }
 
 
-bool BufferList::releaseChild(Buffer * parent, Buffer * child)
-{
-       LASSERT(parent, return false);
-       LASSERT(child, return false);
-       LASSERT(parent->isChild(child), return false);
-
-       // Child document has a different parent, don't close it.
-       Buffer const * parent_ = child->parent();
-       if (parent_ && parent_ != parent)
-               return false;
-
-       BufferStorage::iterator it = bstore.begin();
-       BufferStorage::iterator end = bstore.end();
-       for (; it != end; ++it) {
-               Buffer * buf = *it;
-               if (buf != parent && buf->isChild(child)) {
-                       child->setParent(0);
-                       return false;
-               }
-       }
-       release(child);
-       return true;
-}
-
-
 void BufferList::changed(bool update_metrics) const
 {
        BufferStorage::const_iterator it = bstore.begin();