X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2FAuthor.cpp;h=03025a38aa9910f8695039fa6b3d56a497f31c4f;hb=28be7d552f62cc02fa86d7f79201d089bfb2d7b5;hp=5d76711f1c53f95a3508e962f5073cc47ce50460;hpb=7f461f4392a19cf488dec005d2f12cfea83655d9;p=lyx.git

diff --git a/src/Author.cpp b/src/Author.cpp
index 5d76711f1c..03025a38aa 100644
--- a/src/Author.cpp
+++ b/src/Author.cpp
@@ -12,10 +12,12 @@
 
 #include "Author.h"
 
+#include "support/convert.h"
+#include "support/gettext.h"
+#include "support/lassert.h"
 #include "support/lstrings.h"
 
-#include "support/assert.h"
-
+#include <algorithm>
 #include <istream>
 
 using namespace std;
@@ -23,6 +25,45 @@ using namespace lyx::support;
 
 namespace lyx {
 
+static int computeHash(docstring const & name,
+	docstring const & email)
+{
+	string const full_author_string = to_utf8(name + email);
+	// Bernstein's hash function
+	unsigned int hash = 5381;
+	for (unsigned int i = 0; i < full_author_string.length(); ++i)
+		hash = ((hash << 5) + hash) + (unsigned int)(full_author_string[i]);
+	return int(hash);
+}
+
+
+Author::Author(docstring const & name, docstring const & email)
+	: 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
+{
+	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_);
+}
+
 
 bool operator==(Author const & l, Author const & r)
 {
@@ -33,13 +74,18 @@ bool operator==(Author const & l, Author const & r)
 ostream & operator<<(ostream & os, Author const & a)
 {
 	// FIXME UNICODE
-	os << "\"" << 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;
 }
 
+
 istream & operator>>(istream & is, Author & a)
 {
 	string s;
+	is >> a.buffer_id_;
 	getline(is, s);
 	// FIXME UNICODE
 	a.name_ = from_utf8(trim(token(s, '\"', 1)));
@@ -48,40 +94,64 @@ istream & operator>>(istream & is, Author & a)
 }
 
 
-AuthorList::AuthorList()
-	: last_id_(0)
+bool author_smaller(Author const & lhs, Author const & rhs)
 {
+	return lhs.bufferId() < rhs.bufferId();
 }
 
 
+AuthorList::AuthorList()
+{}
+
+
 int AuthorList::record(Author const & a)
 {
-	Authors::const_iterator it(authors_.begin());
-	Authors::const_iterator itend(authors_.end());
-
-	for (;  it != itend; ++it) {
-		if (it->second == a)
-			return it->first;
+	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 (valid && !authors_.empty() && a == authors_[0])
+		authors_[0].setBufferId(a.bufferId());
+
+	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_[last_id_++] = a;
-	return last_id_ - 1;
+	authors_.push_back(a);
+	return authors_.size() - 1;
 }
 
 
 void AuthorList::record(int id, Author const & a)
 {
-	LASSERT(unsigned(id) < authors_.size(), /**/);
-
+	LBUFERR(unsigned(id) < authors_.size());
 	authors_[id] = a;
 }
 
 
+void AuthorList::recordCurrentAuthor(Author const & a)
+{
+	// current author has id 0
+	record(0, a);
+}
+
+
 Author const & AuthorList::get(int id) const
 {
-	Authors::const_iterator it(authors_.find(id));
-	LASSERT(it != authors_.end(), /**/);
-	return it->second;
+	LASSERT(id < (int)authors_.size() , return authors_[0]);
+	return authors_[id];
 }
 
 
@@ -97,4 +167,27 @@ AuthorList::Authors::const_iterator AuthorList::end() const
 }
 
 
+void AuthorList::sort()
+{
+	std::sort(authors_.begin(), authors_.end(), author_smaller);
+}
+
+
+ostream & operator<<(ostream & os, AuthorList const & a)
+{
+	// Copy the authorlist, because we don't want to sort the original
+	AuthorList sorted = a;
+	sorted.sort();
+
+	AuthorList::Authors::const_iterator a_it = sorted.begin();
+	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;
+}
+
+
 } // namespace lyx