]> git.lyx.org Git - features.git/blobdiff - src/insets/InsetInclude.cpp
Use new rowFlags() values to remove some inset hardcoding.
[features.git] / src / insets / InsetInclude.cpp
index b0d2be4f0317db8804ecb67b726fad4da8f709b5..87d2e5103d0dd913d5df419807fe1b93fa7fcf10 100644 (file)
@@ -65,8 +65,6 @@
 #include "support/mutex.h"
 #include "support/ExceptionMessage.h"
 
-#include "support/bind.h"
-
 using namespace std;
 using namespace lyx::support;
 
@@ -189,7 +187,8 @@ char_type replaceCommaInBraces(docstring & params)
 InsetInclude::InsetInclude(Buffer * buf, InsetCommandParams const & p)
        : InsetCommand(buf, p), include_label(uniqueID()),
          preview_(make_unique<RenderMonitoredPreview>(this)), failedtoload_(false),
-         set_label_(false), label_(nullptr), child_buffer_(nullptr), file_exist_(false)
+         set_label_(false), label_(nullptr), child_buffer_(nullptr), file_exist_(false),
+         recursion_error_(false)
 {
        preview_->connect([=](){ fileChanged(); });
 
@@ -205,7 +204,7 @@ InsetInclude::InsetInclude(InsetInclude const & other)
        : InsetCommand(other), include_label(other.include_label),
          preview_(make_unique<RenderMonitoredPreview>(this)), failedtoload_(false),
          set_label_(false), label_(nullptr), child_buffer_(nullptr), 
-         file_exist_(other.file_exist_)
+         file_exist_(other.file_exist_),recursion_error_(other.recursion_error_)
 {
        preview_->connect([=](){ fileChanged(); });
 
@@ -379,6 +378,7 @@ void InsetInclude::setParams(InsetCommandParams const & p)
 
        // reset in order to allow loading new file
        failedtoload_ = false;
+       recursion_error_ = false;
 
        InsetCommand::setParams(p);
        set_label_ = false;
@@ -444,17 +444,6 @@ docstring InsetInclude::screenLabel() const
 }
 
 
-Buffer * InsetInclude::getChildBuffer() const
-{
-       Buffer * childBuffer = loadIfNeeded();
-
-       // FIXME RECURSIVE INCLUDE
-       // This isn't sufficient, as the inclusion could be downstream.
-       // But it'll have to do for now.
-       return (childBuffer == &buffer()) ? nullptr : childBuffer;
-}
-
-
 Buffer * InsetInclude::loadIfNeeded() const
 {
        // This is for background export and preview. We don't even want to
@@ -482,6 +471,9 @@ Buffer * InsetInclude::loadIfNeeded() const
                return nullptr;
 
        Buffer * child = theBufferList().getBuffer(included_file);
+       if (checkForRecursiveInclude(child))
+               return child;
+
        if (!child) {
                // the readonly flag can/will be wrong, not anymore I think.
                if (!included_file.exists()) {
@@ -494,6 +486,7 @@ Buffer * InsetInclude::loadIfNeeded() const
                        // Buffer creation is not possible.
                        return nullptr;
 
+               buffer().pushIncludedBuffer(child);
                // Set parent before loading, such that macros can be tracked
                child->setParent(&buffer());
 
@@ -502,9 +495,11 @@ Buffer * InsetInclude::loadIfNeeded() const
                        child->setParent(nullptr);
                        //close the buffer we just opened
                        theBufferList().release(child);
+                       buffer().popIncludedBuffer();
                        return nullptr;
                }
 
+               buffer().popIncludedBuffer();
                if (!child->errorList("Parse").empty()) {
                        // FIXME: Do something.
                }
@@ -527,6 +522,26 @@ Buffer * InsetInclude::loadIfNeeded() const
 }
 
 
+bool InsetInclude::checkForRecursiveInclude(
+       Buffer const * cbuf, bool silent) const
+{
+       if (recursion_error_)
+               return true;
+
+       if (!buffer().isBufferIncluded(cbuf))
+               return false;
+
+       if (!silent) {
+               docstring const msg = _("The file\n%1$s\n has attempted to include itself.\n"
+                       "The document set will not work properly until this is fixed!");
+               frontend::Alert::warning(_("Recursive Include"),
+                       bformat(msg, from_utf8(cbuf->fileName().absFileName())));
+       }
+       recursion_error_ = true;
+       return true;
+}
+
+
 void InsetInclude::latex(otexstream & os, OutputParams const & runparams) const
 {
        string incfile = ltrim(to_utf8(params()["filename"]));
@@ -551,20 +566,6 @@ void InsetInclude::latex(otexstream & os, OutputParams const & runparams) const
        }
 
        FileName const included_file = includedFileName(buffer(), params());
-
-       // Check we're not trying to include ourselves.
-       // FIXME RECURSIVE INCLUDE
-       // This isn't sufficient, as the inclusion could be downstream.
-       // But it'll have to do for now.
-       if (isInputOrInclude(params()) &&
-               buffer().absFileName() == included_file.absFileName())
-       {
-               Alert::error(_("Recursive input"),
-                              bformat(_("Attempted to include file %1$s in itself! "
-                              "Ignoring inclusion."), from_utf8(incfile)));
-               return;
-       }
-
        Buffer const * const masterBuffer = buffer().masterBuffer();
 
        // if incfile is relative, make it relative to the master
@@ -803,6 +804,9 @@ void InsetInclude::latex(otexstream & os, OutputParams const & runparams) const
                return;
        }
 
+       if (recursion_error_)
+               return;
+
        if (!runparams.silent) {
                if (tmp->params().baseClass() != masterBuffer->params().baseClass()) {
                        // FIXME UNICODE
@@ -933,7 +937,7 @@ void InsetInclude::latex(otexstream & os, OutputParams const & runparams) const
 }
 
 
-docstring InsetInclude::xhtml(XHTMLStream & xs, OutputParams const & rp) const
+docstring InsetInclude::xhtml(XMLStream & xs, OutputParams const & rp) const
 {
        if (rp.inComment)
                 return docstring();
@@ -943,11 +947,11 @@ docstring InsetInclude::xhtml(XHTMLStream & xs, OutputParams const & rp) const
        bool const listing = isListings(params());
        if (listing || isVerbatim(params())) {
                if (listing)
-                       xs << html::StartTag("pre");
+                       xs << xml::StartTag("pre");
                // FIXME: We don't know the encoding of the file, default to UTF-8.
                xs << includedFileName(buffer(), params()).fileContents("UTF-8");
                if (listing)
-                       xs << html::EndTag("pre");
+                       xs << xml::EndTag("pre");
                return docstring();
        }
 
@@ -966,19 +970,13 @@ docstring InsetInclude::xhtml(XHTMLStream & xs, OutputParams const & rp) const
 
        // In the other cases, we will generate the HTML and include it.
 
-       // Check we're not trying to include ourselves.
-       // FIXME RECURSIVE INCLUDE
-       if (buffer().absFileName() == included_file.absFileName()) {
-               Alert::error(_("Recursive input"),
-                              bformat(_("Attempted to include file %1$s in itself! "
-                              "Ignoring inclusion."), ltrim(params()["filename"])));
-               return docstring();
-       }
-
        Buffer const * const ibuf = loadIfNeeded();
        if (!ibuf)
                return docstring();
 
+       if (recursion_error_)
+               return docstring();
+
        // are we generating only some paragraphs, or all of them?
        bool const all_pars = !rp.dryrun ||
                        (rp.par_begin == 0 &&
@@ -990,11 +988,12 @@ docstring InsetInclude::xhtml(XHTMLStream & xs, OutputParams const & rp) const
                op.par_end = 0;
                ibuf->writeLyXHTMLSource(xs.os(), op, Buffer::IncludedFile);
        } else
-               xs << XHTMLStream::ESCAPE_NONE
+               xs << XMLStream::ESCAPE_NONE
                   << "<!-- Included file: "
                   << from_utf8(included_file.absFileName())
-                  << XHTMLStream::ESCAPE_NONE
+                  << XMLStream::ESCAPE_NONE
                         << " -->";
+       
        return docstring();
 }
 
@@ -1029,6 +1028,10 @@ int InsetInclude::plaintext(odocstringstream & os,
                os << str;
                return str.size();
        }
+
+       if (recursion_error_)
+               return 0;
+
        writePlaintextFile(*ibuf, os, op);
        return 0;
 }
@@ -1043,18 +1046,6 @@ int InsetInclude::docbook(odocstream & os, OutputParams const & runparams) const
                return 0;
 
        string const included_file = includedFileName(buffer(), params()).absFileName();
-
-       // Check we're not trying to include ourselves.
-       // FIXME RECURSIVE INCLUDE
-       // This isn't sufficient, as the inclusion could be downstream.
-       // But it'll have to do for now.
-       if (buffer().absFileName() == included_file) {
-               Alert::error(_("Recursive input"),
-                              bformat(_("Attempted to include file %1$s in itself! "
-                              "Ignoring inclusion."), from_utf8(incfile)));
-               return 0;
-       }
-
        string exppath = incfile;
        if (!runparams.export_folder.empty()) {
                exppath = makeAbsPath(exppath, runparams.export_folder).realPath();
@@ -1067,6 +1058,9 @@ int InsetInclude::docbook(odocstream & os, OutputParams const & runparams) const
 
        Buffer * tmp = loadIfNeeded();
        if (tmp) {
+               if (recursion_error_)
+                       return 0;
+
                string const mangled = writefile.mangledFileName();
                writefile = makeAbsPath(mangled,
                                        buffer().masterBuffer()->temppath());
@@ -1136,40 +1130,41 @@ void InsetInclude::validate(LaTeXFeatures & features) const
        // Load the file in the include if it needs
        // to be loaded:
        Buffer * const tmp = loadIfNeeded();
-       if (tmp) {
-               // the file is loaded
-               // make sure the buffer isn't us
-               // FIXME RECURSIVE INCLUDES
-               // This is not sufficient, as recursive includes could be
-               // more than a file away. But it will do for now.
-               if (tmp && tmp != &buffer()) {
-                       // We must temporarily change features.buffer,
-                       // otherwise it would always be the master buffer,
-                       // and nested includes would not work.
-                       features.setBuffer(*tmp);
-                       // Maybe this is already a child
-                       bool const is_child =
-                               features.runparams().is_child;
-                       features.runparams().is_child = true;
-                       tmp->validate(features);
-                       features.runparams().is_child = is_child;
-                       features.setBuffer(buffer());
-               }
-       }
+       if (!tmp) 
+               return;
+
+       // the file is loaded
+       if (checkForRecursiveInclude(tmp))
+               return;
+       buffer().pushIncludedBuffer(tmp);
+
+       // We must temporarily change features.buffer,
+       // otherwise it would always be the master buffer,
+       // and nested includes would not work.
+       features.setBuffer(*tmp);
+       // Maybe this is already a child
+       bool const is_child =
+               features.runparams().is_child;
+       features.runparams().is_child = true;
+       tmp->validate(features);
+       features.runparams().is_child = is_child;
+       features.setBuffer(buffer());
+       
+       buffer().popIncludedBuffer();
 }
 
 
 void InsetInclude::collectBibKeys(InsetIterator const & /*di*/, FileNameList & checkedFiles) const
 {
-       Buffer * child = loadIfNeeded();
-       if (!child)
+       Buffer * ibuf = loadIfNeeded();
+       if (!ibuf)
                return;
-       // FIXME RECURSIVE INCLUDE
-       // This isn't sufficient, as the inclusion could be downstream.
-       // But it'll have to do for now.
-       if (child == &buffer())
+
+       if (checkForRecursiveInclude(ibuf))
                return;
-       child->collectBibKeys(checkedFiles);
+       buffer().pushIncludedBuffer(ibuf);
+       ibuf->collectBibKeys(checkedFiles);
+       buffer().popIncludedBuffer();   
 }
 
 
@@ -1189,7 +1184,7 @@ void InsetInclude::metrics(MetricsInfo & mi, Dimension & dim) const
        } else {
                if (!set_label_) {
                        set_label_ = true;
-                       button_.update(screenLabel(), true, false, !file_exist_);
+                       button_.update(screenLabel(), true, false, !file_exist_ || recursion_error_);
                }
                button_.metrics(mi, dim);
        }
@@ -1229,9 +1224,9 @@ string InsetInclude::contextMenuName() const
 }
 
 
-Inset::DisplayType InsetInclude::display() const
+Inset::RowFlags InsetInclude::rowFlags() const
 {
-       return type(params()) == INPUT ? Inline : AlignCenter;
+       return type(params()) == INPUT ? Inline : Display;
 }
 
 
@@ -1327,7 +1322,7 @@ void InsetInclude::addToToc(DocIterator const & cpit, bool output_active,
                b.pushItem(cpit, screenLabel(), output_active);
                b.pop();
        } else {
-               Buffer const * const childbuffer = getChildBuffer();
+               Buffer const * const childbuffer = loadIfNeeded();
 
                TocBuilder & b = backend.builder("child");
                docstring str = childbuffer ? childbuffer->fileName().displayName()
@@ -1338,15 +1333,19 @@ void InsetInclude::addToToc(DocIterator const & cpit, bool output_active,
                if (!childbuffer)
                        return;
 
+               if (checkForRecursiveInclude(childbuffer))
+                       return;
+               buffer().pushIncludedBuffer(childbuffer);
                // Update the child's tocBackend. The outliner uses the master's, but
                // the navigation menu uses the child's.
                childbuffer->tocBackend().update(output_active, utype);
                // Include Tocs from children
                childbuffer->inset().addToToc(DocIterator(), output_active, utype,
                                              backend);
-               //Copy missing outliner names (though the user has been warned against
-               //having different document class and module selection between master
-               //and child).
+               buffer().popIncludedBuffer();
+               // Copy missing outliner names (though the user has been warned against
+               // having different document class and module selection between master
+               // and child).
                for (auto const & name
                             : childbuffer->params().documentClass().outlinerNames())
                        backend.addName(name.first, translateIfPossible(name.second));
@@ -1379,14 +1378,16 @@ void InsetInclude::updateCommand()
 void InsetInclude::updateBuffer(ParIterator const & it, UpdateType utype, bool const deleted)
 {
        file_exist_ = includedFileExist();
-
-       button_.update(screenLabel(), true, false, !file_exist_);
-
-       Buffer const * const childbuffer = getChildBuffer();
+       Buffer const * const childbuffer = loadIfNeeded();
        if (childbuffer) {
-               childbuffer->updateBuffer(Buffer::UpdateChildOnly, utype);
+               if (!checkForRecursiveInclude(childbuffer))
+                       childbuffer->updateBuffer(Buffer::UpdateChildOnly, utype);
+               button_.update(screenLabel(), true, false, recursion_error_);
                return;
        }
+
+       button_.update(screenLabel(), true, false, !file_exist_);
+
        if (!isListings(params()))
                return;