Account for old versions of Pygments

[lyx.git] / src / Author.cpp

diff --git a/src/Author.cpp b/src/Author.cpp
index 79e7de0864b942d059a5ec1502eccb475f17b792..03025a38aa9910f8695039fa6b3d56a497f31c4f 100644 (file)
--- a/src/Author.cpp
+++ b/src/Author.cpp
@@ -12,6 +12,8 @@
 
 #include "Author.h"
 
+#include "support/convert.h"
+#include "support/gettext.h"
 #include "support/lassert.h"
 #include "support/lstrings.h"
 
@@ -36,9 +38,30 @@ static int computeHash(docstring const & name,
 
 
 Author::Author(docstring const & name, docstring const & email)
-       : name_(name), email_(email), used_(true)
+       : name_(name), email_(email), used_(true),
+         buffer_id_(computeHash(name, email))
+{}
+
+
+Author::Author(int buffer_id)
+       : name_(convert<docstring>(buffer_id)), email_(docstring()), used_(false),
+         buffer_id_(buffer_id)
+{}
+
+
+docstring Author::nameAndEmail() const
 {
-       buffer_id_ = computeHash(name_, email_);
+       if (email().empty())
+               return name();
+       else
+               return bformat(_("%1$s[[name]] (%2$s[[email]])"), name(), email());
+}
+
+
+bool Author::valid() const
+{
+       //this cannot be equal if the buffer_id was produced by the hash function.
+       return name_ != convert<docstring>(buffer_id_);
 }
 
 
@@ -51,8 +74,9 @@ bool operator==(Author const & l, Author const & r)
 ostream & operator<<(ostream & os, Author const & a)
 {
        // FIXME UNICODE
-       os << a.buffer_id_ << " \"" << to_utf8(a.name_)
-                       << "\" " << to_utf8(a.email_);
+       os << a.buffer_id_ << " \"" << to_utf8(a.name_) << "\"";
+       if (!a.email_.empty())
+               os << " " << to_utf8(a.email_);
 
        return os;
 }
@@ -77,26 +101,36 @@ bool author_smaller(Author const & lhs, Author const & rhs)
 
 
 AuthorList::AuthorList()
-       : last_id_(0)
 {}
 
 
 int AuthorList::record(Author const & a)
 {
+       bool const valid = a.valid();
        // If we record an author which equals the current
        // author, we copy the buffer_id, so that it will
        // keep the same id in the file.
-       if (!authors_.empty() && a == authors_[0])
+       if (valid && !authors_.empty() && a == authors_[0])
                authors_[0].setBufferId(a.bufferId());
 
-       Authors::const_iterator it(authors_.begin());
-       Authors::const_iterator itend(authors_.end());
-       for (int i = 0;  it != itend; ++it, ++i) {
-               if (*it == a)
-                       return i;
+       Authors::const_iterator it = authors_.begin();
+       Authors::const_iterator const beg = it;
+       Authors::const_iterator const end = authors_.end();
+       for (; it != end; ++it) {
+               if (valid && *it == a)
+                       return it - beg;
+               if (it->bufferId() == a.bufferId()) {
+                       int id = it - beg;
+                       if (!it->valid())
+                               // we need to handle the case of a valid author being registred
+                               // after an invalid one. For instance, because "buffer-reload"
+                               // does not clear the buffer's author list.
+                               record(id, a);
+                       return id;
+               }
        }
        authors_.push_back(a);
-       return last_id_++;
+       return authors_.size() - 1;
 }
 
 
@@ -146,10 +180,10 @@ ostream & operator<<(ostream & os, AuthorList const & a)
        sorted.sort();
 
        AuthorList::Authors::const_iterator a_it = sorted.begin();
-       AuthorList::Authors::const_iterator a_end = sorted.end();
-       
-       for (a_it = sorted.begin(); a_it != a_end; ++a_it) {
-               if (a_it->used())
+       AuthorList::Authors::const_iterator const a_end = sorted.end();
+
+       for (; a_it != a_end; ++a_it) {
+               if (a_it->used() && a_it->valid())
                        os << "\\author " << *a_it << "\n";     
        }
        return os;